diff options
Diffstat (limited to 'libs/taglib/taglib')
163 files changed, 40039 insertions, 0 deletions
diff --git a/libs/taglib/taglib/CMakeLists.txt b/libs/taglib/taglib/CMakeLists.txt new file mode 100644 index 0000000000..c4976f9739 --- /dev/null +++ b/libs/taglib/taglib/CMakeLists.txt @@ -0,0 +1,160 @@ + +set(CMAKE_INCLUDE_CURRENT_DIR ON) +INCLUDE_DIRECTORIES( + ${CMAKE_CURRENT_SOURCE_DIR}/toolkit + ${CMAKE_CURRENT_SOURCE_DIR}/mpeg + ${CMAKE_CURRENT_SOURCE_DIR}/ogg + ${CMAKE_CURRENT_SOURCE_DIR}/ogg/flac + ${CMAKE_CURRENT_SOURCE_DIR}/flac + ${CMAKE_CURRENT_SOURCE_DIR}/mpc + ${CMAKE_CURRENT_SOURCE_DIR}/ogg/vorbis + ${CMAKE_CURRENT_SOURCE_DIR}/ogg/speex + ${CMAKE_CURRENT_SOURCE_DIR}/mpeg/id3v2 + ${CMAKE_CURRENT_SOURCE_DIR}/mpeg/id3v1 + ${CMAKE_CURRENT_SOURCE_DIR}/ape + ${CMAKE_CURRENT_SOURCE_DIR}/wavpack + ${CMAKE_CURRENT_SOURCE_DIR}/trueaudio + ${CMAKE_CURRENT_BINARY_DIR}/taglib + ${CMAKE_CURRENT_BINARY_DIR}/.. +) +if(ZLIB_FOUND) + INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR}) +endif(ZLIB_FOUND) + +ADD_SUBDIRECTORY( toolkit ) +ADD_SUBDIRECTORY( mpeg ) +ADD_SUBDIRECTORY( ogg ) +ADD_SUBDIRECTORY( flac ) +ADD_SUBDIRECTORY( ape ) +ADD_SUBDIRECTORY( mpc ) +ADD_SUBDIRECTORY( wavpack ) +ADD_SUBDIRECTORY( trueaudio ) + + + +########### next target ############### + +SET(mpeg_SRCS +mpeg/mpegfile.cpp +mpeg/mpegproperties.cpp +mpeg/mpegheader.cpp +mpeg/xingheader.cpp +) + +SET(id3v1_SRCS +mpeg/id3v1/id3v1tag.cpp +mpeg/id3v1/id3v1genres.cpp +) + + +SET(id3v2_SRCS +mpeg/id3v2/id3v2framefactory.cpp +mpeg/id3v2/id3v2synchdata.cpp +mpeg/id3v2/id3v2tag.cpp +mpeg/id3v2/id3v2header.cpp +mpeg/id3v2/id3v2frame.cpp +mpeg/id3v2/id3v2footer.cpp +mpeg/id3v2/id3v2extendedheader.cpp +) + + +SET(frames_SRCS +mpeg/id3v2/frames/attachedpictureframe.cpp +mpeg/id3v2/frames/commentsframe.cpp +mpeg/id3v2/frames/generalencapsulatedobjectframe.cpp +mpeg/id3v2/frames/relativevolumeframe.cpp +mpeg/id3v2/frames/textidentificationframe.cpp +mpeg/id3v2/frames/uniquefileidentifierframe.cpp +mpeg/id3v2/frames/unknownframe.cpp +mpeg/id3v2/frames/unsynchronizedlyricsframe.cpp +mpeg/id3v2/frames/urllinkframe.cpp +) + +SET(ogg_SRCS +ogg/oggfile.cpp +ogg/oggpage.cpp +ogg/oggpageheader.cpp +ogg/xiphcomment.cpp +) + +SET(vorbis_SRCS +ogg/vorbis/vorbisfile.cpp +ogg/vorbis/vorbisproperties.cpp +) + + +SET(flacs_SRCS +flac/flacfile.cpp +flac/flacproperties.cpp +) + +SET(oggflacs_SRCS +ogg/flac/oggflacfile.cpp +) + +SET(mpc_SRCS +mpc/mpcfile.cpp +mpc/mpcproperties.cpp +) + +SET(ape_SRCS +ape/apetag.cpp +ape/apefooter.cpp +ape/apeitem.cpp +) + +SET(wavpack_SRCS +wavpack/wavpackfile.cpp +wavpack/wavpackproperties.cpp +) + +SET(speex_SRCS +ogg/speex/speexfile.cpp +ogg/speex/speexproperties.cpp +) + +SET(trueaudio_SRCS +trueaudio/trueaudiofile.cpp +trueaudio/trueaudioproperties.cpp +) + +SET(toolkit_SRCS +toolkit/tstring.cpp +toolkit/tstringlist.cpp +toolkit/tbytevector.cpp +toolkit/tbytevectorlist.cpp +toolkit/tfile.cpp +toolkit/tdebug.cpp +toolkit/unicode.cpp +) + +SET(tag_LIB_SRCS ${mpeg_SRCS} ${id3v1_SRCS} ${id3v2_SRCS} ${frames_SRCS} ${ogg_SRCS} + ${vorbis_SRCS} ${oggflacs_SRCS} ${mpc_SRCS} ${ape_SRCS} ${toolkit_SRCS} ${flacs_SRCS} + ${wavpack_SRCS} ${speex_SRCS} ${trueaudio_SRCS} + tag.cpp + tagunion.cpp + fileref.cpp + audioproperties.cpp +) + + +ADD_LIBRARY(tag SHARED ${tag_LIB_SRCS}) + +TARGET_LINK_LIBRARIES(tag ) +if(ZLIB_FOUND) + TARGET_LINK_LIBRARIES(tag ${ZLIB_LIBRARIES}) +endif(ZLIB_FOUND) + +SET_TARGET_PROPERTIES(tag PROPERTIES + VERSION ${TAGLIB_LIB_MAJOR_VERSION}.${TAGLIB_LIB_MINOR_VERSION}.${TAGLIB_LIB_PATCH_VERSION} + SOVERSION ${TAGLIB_LIB_MAJOR_VERSION} + INSTALL_NAME_DIR ${LIB_INSTALL_DIR} + DEFINE_SYMBOL MAKE_TAGLIB_LIB +) +INSTALL(TARGETS tag + LIBRARY DESTINATION ${LIB_INSTALL_DIR} + RUNTIME DESTINATION bin + ARCHIVE DESTINATION ${LIB_INSTALL_DIR} +) + +INSTALL( FILES tag.h fileref.h audioproperties.h taglib_export.h DESTINATION ${INCLUDE_INSTALL_DIR}/taglib) diff --git a/libs/taglib/taglib/Makefile.am b/libs/taglib/taglib/Makefile.am new file mode 100644 index 0000000000..d849b94413 --- /dev/null +++ b/libs/taglib/taglib/Makefile.am @@ -0,0 +1,26 @@ +SUBDIRS = toolkit mpeg ogg flac ape mpc wavpack trueaudio + +INCLUDES = \ + -I$(top_srcdir)/taglib \ + -I$(top_srcdir)/taglib/toolkit \ + -I$(top_srcdir)/taglib/mpeg \ + -I$(top_srcdir)/taglib/ogg \ + -I$(top_srcdir)/taglib/ogg/flac \ + -I$(top_srcdir)/taglib/flac \ + -I$(top_srcdir)/taglib/mpc \ + -I$(top_srcdir)/taglib/ogg/vorbis \ + -I$(top_srcdir)/taglib/ogg/speex \ + -I$(top_srcdir)/taglib/wavpack \ + -I$(top_srcdir)/taglib/trueaudio \ + $(all_includes) + +lib_LTLIBRARIES = libtag.la + +libtag_la_SOURCES = tag.cpp tagunion.cpp fileref.cpp audioproperties.cpp +taglib_include_HEADERS = tag.h fileref.h audioproperties.h taglib_export.h +taglib_includedir = $(includedir)/taglib + +libtag_la_LDFLAGS = $(all_libraries) -no-undefined -version-info 6:0:5 +libtag_la_LIBADD = ./mpeg/libmpeg.la ./ogg/libogg.la ./flac/libflac.la ./mpc/libmpc.la \ + ./ape/libape.la ./toolkit/libtoolkit.la ./wavpack/libwavpack.la \ + ./trueaudio/libtrueaudio.la diff --git a/libs/taglib/taglib/Makefile.in b/libs/taglib/taglib/Makefile.in new file mode 100644 index 0000000000..758daf6ee2 --- /dev/null +++ b/libs/taglib/taglib/Makefile.in @@ -0,0 +1,794 @@ +# Makefile.in generated by automake 1.10 from Makefile.am. +# KDE tags expanded automatically by am_edit - $Revision: 483858 $ +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +target_triplet = @target@ +subdir = taglib +DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \ + $(taglib_include_HEADERS) +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \ + $(top_srcdir)/configure.in +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +mkinstalldirs = $(SHELL) $(top_srcdir)/admin/mkinstalldirs +CONFIG_HEADER = $(top_builddir)/config.h +CONFIG_CLEAN_FILES = +am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; +am__vpath_adj = case $$p in \ + $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \ + *) f=$$p;; \ + esac; +am__strip_dir = `echo $$p | sed -e 's|^.*/||'`; +am__installdirs = "$(DESTDIR)$(libdir)" \ + "$(DESTDIR)$(taglib_includedir)" +libLTLIBRARIES_INSTALL = $(INSTALL) +LTLIBRARIES = $(lib_LTLIBRARIES) +libtag_la_DEPENDENCIES = ./mpeg/libmpeg.la ./ogg/libogg.la \ + ./flac/libflac.la ./mpc/libmpc.la ./ape/libape.la \ + ./toolkit/libtoolkit.la ./wavpack/libwavpack.la \ + ./trueaudio/libtrueaudio.la +am_libtag_la_OBJECTS = tag.lo tagunion.lo fileref.lo \ + audioproperties.lo +#>- libtag_la_OBJECTS = $(am_libtag_la_OBJECTS) +#>+ 5 +libtag_la_final_OBJECTS = libtag_la.all_cpp.lo +libtag_la_nofinal_OBJECTS = tag.lo tagunion.lo fileref.lo \ + audioproperties.lo +@KDE_USE_FINAL_FALSE@libtag_la_OBJECTS = $(libtag_la_nofinal_OBJECTS) +@KDE_USE_FINAL_TRUE@libtag_la_OBJECTS = $(libtag_la_final_OBJECTS) +#>- libtag_la_LINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) \ +#>- $(LIBTOOLFLAGS) --mode=link $(CXXLD) $(AM_CXXFLAGS) \ +#>- $(CXXFLAGS) $(libtag_la_LDFLAGS) $(LDFLAGS) -o $@ +#>+ 3 +libtag_la_LINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) \ + $(LIBTOOLFLAGS) --mode=link $(CXXLD) $(AM_CXXFLAGS) \ + $(CXXFLAGS) $(KDE_CXXFLAGS) $(libtag_la_LDFLAGS) $(LDFLAGS) -o $@ +DEFAULT_INCLUDES = -I. -I$(top_builddir)@am__isrc@ +depcomp = $(SHELL) $(top_srcdir)/admin/depcomp +am__depfiles_maybe = depfiles +#>- CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ +#>- $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) +#>+ 2 +CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ + $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) $(KDE_CXXFLAGS) +#>- LTCXXCOMPILE = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ +#>- --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ +#>- $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) +#>+ 3 +LTCXXCOMPILE = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ + --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ + $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) $(KDE_CXXFLAGS) +CXXLD = $(CXX) +#>- CXXLINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ +#>- --mode=link $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) \ +#>- $(LDFLAGS) -o $@ +#>+ 3 +CXXLINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ + --mode=link $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(KDE_CXXFLAGS) $(AM_LDFLAGS) \ + $(LDFLAGS) -o $@ +SOURCES = $(libtag_la_SOURCES) +DIST_SOURCES = $(libtag_la_SOURCES) +#>- RECURSIVE_TARGETS = all-recursive check-recursive dvi-recursive \ +#>- html-recursive info-recursive install-data-recursive \ +#>- install-dvi-recursive install-exec-recursive \ +#>- install-html-recursive install-info-recursive \ +#>- install-pdf-recursive install-ps-recursive install-recursive \ +#>- installcheck-recursive installdirs-recursive pdf-recursive \ +#>- ps-recursive uninstall-recursive +#>+ 7 +RECURSIVE_TARGETS = all-recursive check-recursive dvi-recursive \ + html-recursive info-recursive install-data-recursive \ + install-dvi-recursive install-exec-recursive \ + install-html-recursive install-info-recursive \ + install-pdf-recursive install-ps-recursive install-recursive \ + installcheck-recursive installdirs-recursive pdf-recursive \ + ps-recursive uninstall-recursive nmcheck-recursive bcheck-recursive +taglib_includeHEADERS_INSTALL = $(INSTALL_HEADER) +HEADERS = $(taglib_include_HEADERS) +RECURSIVE_CLEAN_TARGETS = mostlyclean-recursive clean-recursive \ + distclean-recursive maintainer-clean-recursive +ETAGS = etags +CTAGS = ctags +DIST_SUBDIRS = $(SUBDIRS) +#>- DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST) +#>+ 1 +DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST) $(KDE_DIST) +ACLOCAL = @ACLOCAL@ +AMTAR = @AMTAR@ +AR = @AR@ +AUTOCONF = @AUTOCONF@ +AUTODIRS = @AUTODIRS@ +AUTOHEADER = @AUTOHEADER@ +AUTOMAKE = @AUTOMAKE@ +AWK = @AWK@ +CC = @CC@ 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+program_transform_name = @program_transform_name@ +psdir = @psdir@ +sbindir = @sbindir@ +sharedstatedir = @sharedstatedir@ +srcdir = @srcdir@ +sysconfdir = @sysconfdir@ +target = @target@ +target_alias = @target_alias@ +target_cpu = @target_cpu@ +target_os = @target_os@ +target_vendor = @target_vendor@ +top_builddir = @top_builddir@ +top_srcdir = @top_srcdir@ +SUBDIRS = toolkit mpeg ogg flac ape mpc wavpack trueaudio +INCLUDES = \ + -I$(top_srcdir)/taglib \ + -I$(top_srcdir)/taglib/toolkit \ + -I$(top_srcdir)/taglib/mpeg \ + -I$(top_srcdir)/taglib/ogg \ + -I$(top_srcdir)/taglib/ogg/flac \ + -I$(top_srcdir)/taglib/flac \ + -I$(top_srcdir)/taglib/mpc \ + -I$(top_srcdir)/taglib/ogg/vorbis \ + -I$(top_srcdir)/taglib/ogg/speex \ + -I$(top_srcdir)/taglib/wavpack \ + -I$(top_srcdir)/taglib/trueaudio \ + $(all_includes) + +lib_LTLIBRARIES = libtag.la +libtag_la_SOURCES = tag.cpp tagunion.cpp fileref.cpp audioproperties.cpp +taglib_include_HEADERS = tag.h fileref.h audioproperties.h taglib_export.h +taglib_includedir = $(includedir)/taglib +libtag_la_LDFLAGS = $(all_libraries) -no-undefined -version-info 6:0:5 +libtag_la_LIBADD = ./mpeg/libmpeg.la ./ogg/libogg.la ./flac/libflac.la ./mpc/libmpc.la \ + ./ape/libape.la ./toolkit/libtoolkit.la ./wavpack/libwavpack.la \ + ./trueaudio/libtrueaudio.la + +#>- all: all-recursive +#>+ 1 +all: docs-am all-recursive + +.SUFFIXES: +.SUFFIXES: .cpp .lo .o .obj +$(srcdir)/Makefile.in: $(srcdir)/Makefile.am $(am__configure_deps) +#>- @for dep in $?; do \ +#>- case '$(am__configure_deps)' in \ +#>- *$$dep*) \ +#>- cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \ +#>- && exit 0; \ +#>- exit 1;; \ +#>- esac; \ +#>- done; \ +#>- echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu taglib/Makefile'; \ +#>- cd $(top_srcdir) && \ +#>- $(AUTOMAKE) --gnu taglib/Makefile +#>+ 12 + @for dep in $?; do \ + case '$(am__configure_deps)' in \ + *$$dep*) \ + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \ + && exit 0; \ + exit 1;; \ + esac; \ + done; \ + echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu taglib/Makefile'; \ + cd $(top_srcdir) && \ + $(AUTOMAKE) --gnu taglib/Makefile + cd $(top_srcdir) && perl admin/am_edit taglib/Makefile.in +.PRECIOUS: Makefile +Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status + @case '$?' in \ + *config.status*) \ + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \ + *) \ + echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \ + cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \ + esac; + +$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh + +$(top_srcdir)/configure: $(am__configure_deps) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh +$(ACLOCAL_M4): $(am__aclocal_m4_deps) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh +install-libLTLIBRARIES: $(lib_LTLIBRARIES) + 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am--refresh \ + && exit 0; \ + exit 1;; \ + esac; \ + done; \ + echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu taglib/ape/Makefile'; \ + cd $(top_srcdir) && \ + $(AUTOMAKE) --gnu taglib/ape/Makefile + cd $(top_srcdir) && perl admin/am_edit taglib/ape/Makefile.in + + +#>+ 21 +clean-bcheck: + rm -f *.bchecktest.cc *.bchecktest.cc.class a.out + +bcheck: bcheck-am + +bcheck-am: + @for i in $(taglib_include_HEADERS); do \ + if test $(srcdir)/$$i -nt $$i.bchecktest.cc; then \ + echo "int main() {return 0;}" > $$i.bchecktest.cc ; \ + echo "#include \"$$i\"" >> $$i.bchecktest.cc ; \ + echo "$$i"; \ + if ! $(CXXCOMPILE) --dump-class-hierarchy -c $$i.bchecktest.cc; then \ + rm -f $$i.bchecktest.cc; exit 1; \ + fi ; \ + echo "" >> $$i.bchecktest.cc.class; \ + perl $(top_srcdir)/admin/bcheck.pl $$i.bchecktest.cc.class || { rm -f $$i.bchecktest.cc; exit 1; }; \ + rm -f a.out; \ + fi ; \ + done + + +#>+ 11 +libape_la.all_cpp.cpp: $(srcdir)/Makefile.in $(srcdir)/apetag.cpp $(srcdir)/apefooter.cpp $(srcdir)/apeitem.cpp + @echo 'creating libape_la.all_cpp.cpp ...'; \ + rm -f libape_la.all_cpp.files libape_la.all_cpp.final; \ + echo "#define KDE_USE_FINAL 1" >> libape_la.all_cpp.final; \ + for file in apetag.cpp apefooter.cpp apeitem.cpp ; do \ + echo "#include \"$$file\"" >> libape_la.all_cpp.files; \ + test ! -f $(srcdir)/$$file || egrep '^#pragma +implementation' $(srcdir)/$$file >> libape_la.all_cpp.final; \ + done; \ + cat libape_la.all_cpp.final libape_la.all_cpp.files > libape_la.all_cpp.cpp; \ + rm -f libape_la.all_cpp.final libape_la.all_cpp.files + +#>+ 3 +clean-final: + -rm -f libape_la.all_cpp.cpp + +#>+ 3 +final: + $(MAKE) libape_la_OBJECTS="$(libape_la_final_OBJECTS)" all-am + +#>+ 3 +final-install: + $(MAKE) libape_la_OBJECTS="$(libape_la_final_OBJECTS)" install-am + +#>+ 3 +no-final: + $(MAKE) libape_la_OBJECTS="$(libape_la_nofinal_OBJECTS)" all-am + +#>+ 3 +no-final-install: + $(MAKE) libape_la_OBJECTS="$(libape_la_nofinal_OBJECTS)" install-am + +#>+ 3 +kde-rpo-clean: + -rm -f *.rpo + +#>+ 3 +nmcheck: +nmcheck-am: nmcheck diff --git a/libs/taglib/taglib/ape/ape-tag-format.txt b/libs/taglib/taglib/ape/ape-tag-format.txt new file mode 100644 index 0000000000..21ff1c8617 --- /dev/null +++ b/libs/taglib/taglib/ape/ape-tag-format.txt @@ -0,0 +1,170 @@ +================================================================================ += APE Tag Specification, Version 2.000 +================================================================================ + +Original Content (C) 2004, Frank Klemm <frank.klemm@elster.offl.uni-jena.de> +Formatting / Editing (C) 2004, Scott Wheeler <wheeler@kde.org> + +================================================================================ += Contents +================================================================================ + +1 - APE Tag General Structure +2 - APE Tag Header / Footer Format +3 - APE Tag Flags +4 - APE Tag Item Format +5 - APE Tag Item Supported Keys +6 - APE Tag Item Content +7 - Data Types +7.1 - Data Types / UTF-8 +7.2 - Data Types / Dates +7.3 - Data Types / Timestamps + +================================================================================ += 1 - APE Tag General Structure +================================================================================ + +Member of Basic Components of SV8 Stream Note: + +It is strongly recommended that the data size be stored in the tags. The size +should normally be in the roughly one kilobyte, never more than 8 kilobytes. + +Larger data should be stored externally using link entries. Linked data is much +easier to process by normal programs, so for instance JPEG data should not be +included inside the audio file. + +APE Tag Version 2.000 (with header, recommended): + +/================================\ +| APE Tag Header | 32 bytes | +|-------------------|------------| +| APE Tag Item 1 | > 10 bytes | +| APE Tag Item 2 | > 10 bytes | +| APE Tag Item n-1 | > 10 bytes | +| APE Tag Item n | > 10 bytes | +|-------------------|------------| +| APE Tag Footer | 32 bytes | +\================================/ + + +APE tag items should be sorted ascending by size. When streaming, parts of the +APE tag may be dropped to reduce the danger of drop outs between tracks. This +is not required, but is strongly recommended. It would be desirable for the i +tems to be sorted by importance / size, but this is not feasible. This +convention should only be broken when adding less important small items and it +is not desirable to rewrite the entire tag. An APE tag at the end of a file +(the recommended location) must have at least a footer; an APE tag at the +beginning of a file (strongly discouraged) must have at least a header. + +APE Tag Version 1.000 (without header, deprecated) + +/================================\ +| APE Tag Item 1 | > 10 bytes | +| APE Tag Item 2 | > 10 bytes | +| APE Tag Item n-1 | > 10 bytes | +| APE Tag Item n | > 10 bytes | +|-------------------|------------| +| APE Tag Footer | 32 bytes | +\================================/ + +================================================================================ += 2 - APE Tag Header / Footer Format +================================================================================ + +Contains number, length and attributes of all tag items + +Header and Footer are different in 1 bit in the Tags Flags to distinguish +between them. + +Member of APE Tag 2.0 + +/===========================================================================\ +| Preamble | 8 bytes | { 'A', 'P', 'E', 'T', 'A', 'G', 'E', 'X' } | +|----------------|---------|------------------------------------------------| +| Version Number | 4 bytes | 1000 = Version 1.000, 2000 = Version 2.000 | +|----------------|---------|------------------------------------------------| +| Tag Size | 4 bytes | Tag size in bytes including footer and all tag | +| | | items excluding the header (for 1.000 | +| | | compatibility) | +|----------------|---------|------------------------------------------------| +| Item Count | 4 bytes | Number of items in the tag | +|----------------|---------|------------------------------------------------| +| Tag Flags | 4 bytes | Global flags | +|----------------|---------|------------------------------------------------| +| Reserved | 8 bytes | Must be zeroed | +\===========================================================================/ + +================================================================================ += 3 - APE Tag Flags +================================================================================ + +The general flag structure for either items or headers / footers is the same. +Bits 31, 30 and 29 are specific to headers / footers, whereas 2 through 0 are +item specific. + +Note: APE Tags from Version 1.0 do not use any of the following. All flags in +that version are zeroed and ignored when reading. + +/=================================================================\ +| Contains Header | Bit 31 | 1 - has header | 0 - no header | +|-----------------|-------------|---------------------------------| +| Contains Footer | Bit 30 | 1 - has footer | 0 - no footer | +|-----------------|-------------|---------------------------------| +| Is Header | Bit 29 | 1 - is header | 0 - is footer | +|-----------------|-------------|---------------------------------| +| Undefined | Bits 28 - 3 | Undefined, must be zeroed | +|-----------------|-------------|---------------------------------| +| Encoding | Bits 2 - 1 | 00 - UTF-8 | +| | | 01 - Binary Data * | +| | | 10 - External Reference ** | +| | | 11 - Reserved | +|-----------------|-------------|---------------------------------| +| Read Only | Bit 0 | 1 - read only | 0 - read/write | +\=================================================================/ + + (*) Should be ignored by tools for editing text values +(**) Allowed external reference formats: + - http://host/directory/filename.ext + - ftp://host/directory/filename.ext + - filename.ext + - /directory/filename.ext + - DRIVE:/directory/filename.ext + + Note: External references are also UTF-8 encoded. + +================================================================================ += 4 - APE Tag Item Format +================================================================================ + +APE Tag Items are stored as key-value pairs. APE Tags Item Key are case +sensitive, however it is illegal to use keys which only differ in case and +it is recommended that tag reading not be case sensitive. + +Every key can only occur (at most) once. It is not possible to repeat a key +to signify updated contents. + +Tags can be partially or completely repeated in the streaming format. This +makes it possible to display an artist and / or title if it was missed at the +beginning of the stream. It is recommended that the important information like +artist, album and title should occur approximately every 2 minutes in the +stream and again 5 to 10 seconds before the end. However, care should be tak +en not to replicate this information too often or during passages with high +bitrate demands to avoid unnecessary drop-outs. + +/==============================================================================\ +| Content Size | 4 bytes | Length of the value in bytes | +|----------------|---------------|---------------------------------------------| +| Flags | 4 bytes | Item flags | +|----------------|---------------|---------------------------------------------| +| Key | 2 - 255 bytes | Item key | +|----------------|---------------|---------------------------------------------| +| Key Terminator | 1 byte | Null byte that indicates the end of the key | +|----------------|---------------|---------------------------------------------| +| Value | variable | Content (formatted according to the flags) | +\==============================================================================/ + +================================================================================ + +Sections 5 - 7 haven't yet been converted from: + +http://www.personal.uni-jena.de/~pfk/mpp/sv8/apetag.html diff --git a/libs/taglib/taglib/ape/apefooter.cpp b/libs/taglib/taglib/ape/apefooter.cpp new file mode 100644 index 0000000000..da6494b0b0 --- /dev/null +++ b/libs/taglib/taglib/ape/apefooter.cpp @@ -0,0 +1,236 @@ +/*************************************************************************** + copyright : (C) 2004 by Allan Sandfeld Jensen + (C) 2002 - 2008 by Scott Wheeler (id3v2header.cpp) + email : kde@carewolf.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <iostream> +#include <bitset> + +#include <tstring.h> +#include <tdebug.h> + +#include "apefooter.h" + +using namespace TagLib; +using namespace APE; + +class Footer::FooterPrivate +{ +public: + FooterPrivate() : version(0), + footerPresent(true), + headerPresent(false), + isHeader(false), + itemCount(0), + tagSize(0) {} + + ~FooterPrivate() {} + + uint version; + + bool footerPresent; + bool headerPresent; + + bool isHeader; + + uint itemCount; + uint tagSize; + + static const uint size = 32; +}; + +//////////////////////////////////////////////////////////////////////////////// +// static members +//////////////////////////////////////////////////////////////////////////////// + +TagLib::uint Footer::size() +{ + return FooterPrivate::size; +} + +ByteVector Footer::fileIdentifier() +{ + return ByteVector::fromCString("APETAGEX"); +} + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +Footer::Footer() +{ + d = new FooterPrivate; +} + +Footer::Footer(const ByteVector &data) +{ + d = new FooterPrivate; + parse(data); +} + +Footer::~Footer() +{ + delete d; +} + +TagLib::uint Footer::version() const +{ + return d->version; +} + +bool Footer::headerPresent() const +{ + return d->headerPresent; +} + +bool Footer::footerPresent() const +{ + return d->footerPresent; +} + +bool Footer::isHeader() const +{ + return d->isHeader; +} + +void Footer::setHeaderPresent(bool b) const +{ + d->headerPresent = b; +} + +TagLib::uint Footer::itemCount() const +{ + return d->itemCount; +} + +void Footer::setItemCount(uint s) +{ + d->itemCount = s; +} + +TagLib::uint Footer::tagSize() const +{ + return d->tagSize; +} + +TagLib::uint Footer::completeTagSize() const +{ + if(d->headerPresent) + return d->tagSize + d->size; + else + return d->tagSize; +} + +void Footer::setTagSize(uint s) +{ + d->tagSize = s; +} + +void Footer::setData(const ByteVector &data) +{ + parse(data); +} + +ByteVector Footer::renderFooter() const +{ + return render(false); +} + +ByteVector Footer::renderHeader() const +{ + if (!d->headerPresent) return ByteVector(); + + return render(true); +} + +//////////////////////////////////////////////////////////////////////////////// +// protected members +//////////////////////////////////////////////////////////////////////////////// + +void Footer::parse(const ByteVector &data) +{ + if(data.size() < size()) + return; + + // The first eight bytes, data[0..7], are the File Identifier, "APETAGEX". + + // Read the version number + + d->version = data.mid(8, 4).toUInt(false); + + // Read the tag size + + d->tagSize = data.mid(12, 4).toUInt(false); + + // Read the item count + + d->itemCount = data.mid(16, 4).toUInt(false); + + // Read the flags + + std::bitset<32> flags(data.mid(20, 4).toUInt(false)); + + d->headerPresent = flags[31]; + d->footerPresent = !flags[30]; + d->isHeader = flags[29]; + +} + +ByteVector Footer::render(bool isHeader) const +{ + ByteVector v; + + // add the file identifier -- "APETAGEX" + + v.append(fileIdentifier()); + + // add the version number -- we always render a 2.000 tag regardless of what + // the tag originally was. + + v.append(ByteVector::fromUInt(2000, false)); + + // add the tag size + + v.append(ByteVector::fromUInt(d->tagSize, false)); + + // add the item count + + v.append(ByteVector::fromUInt(d->itemCount, false)); + + // render and add the flags + + std::bitset<32> flags; + + flags[31] = d->headerPresent; + flags[30] = false; // footer is always present + flags[29] = isHeader; + + v.append(ByteVector::fromUInt(flags.to_ulong(), false)); + + // add the reserved 64bit + + v.append(ByteVector::fromLongLong(0)); + + return v; +} diff --git a/libs/taglib/taglib/ape/apefooter.h b/libs/taglib/taglib/ape/apefooter.h new file mode 100644 index 0000000000..f0d921f5b5 --- /dev/null +++ b/libs/taglib/taglib/ape/apefooter.h @@ -0,0 +1,173 @@ +/*************************************************************************** + copyright : (C) 2004 by Allan Sandfeld Jensen + email : kde@carewolf.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_APEFOOTER_H +#define TAGLIB_APEFOOTER_H + +#include "tbytevector.h" +#include "taglib_export.h" + +namespace TagLib { + + namespace APE { + + //! An implementation of APE footers + + /*! + * This class implements APE footers (and headers). It attempts to follow, both + * semantically and programatically, the structure specified in + * the APE v2.0 standard. The API is based on the properties of APE footer and + * headers specified there. + */ + + class TAGLIB_EXPORT Footer + { + public: + /*! + * Constructs an empty APE footer. + */ + Footer(); + + /*! + * Constructs an APE footer based on \a data. parse() is called + * immediately. + */ + Footer(const ByteVector &data); + + /*! + * Destroys the footer. + */ + virtual ~Footer(); + + /*! + * Returns the version number. (Note: This is the 1000 or 2000.) + */ + uint version() const; + + /*! + * Returns true if a header is present in the tag. + */ + bool headerPresent() const; + + /*! + * Returns true if a footer is present in the tag. + */ + bool footerPresent() const; + + /*! + * Returns true this is actually the header. + */ + bool isHeader() const; + + /*! + * Sets whether the header should be rendered or not + */ + void setHeaderPresent(bool b) const; + + /*! + * Returns the number of items in the tag. + */ + uint itemCount() const; + + /*! + * Set the item count to \a s. + * \see itemCount() + */ + void setItemCount(uint s); + + /*! + * Returns the tag size in bytes. This is the size of the frame content and footer. + * The size of the \e entire tag will be this plus the header size, if present. + * + * \see completeTagSize() + */ + uint tagSize() const; + + /*! + * Returns the tag size, including if present, the header + * size. + * + * \see tagSize() + */ + uint completeTagSize() const; + + /*! + * Set the tag size to \a s. + * \see tagSize() + */ + void setTagSize(uint s); + + /*! + * Returns the size of the footer. Presently this is always 32 bytes. + */ + static uint size(); + + /*! + * Returns the string used to identify an APE tag inside of a file. + * Presently this is always "APETAGEX". + */ + static ByteVector fileIdentifier(); + + /*! + * Sets the data that will be used as the footer. 32 bytes, + * starting from \a data will be used. + */ + void setData(const ByteVector &data); + + /*! + * Renders the footer back to binary format. + */ + ByteVector renderFooter() const; + + /*! + * Renders the header corresponding to the footer. If headerPresent is + * set to false, it returns an empty ByteVector. + */ + ByteVector renderHeader() const; + + protected: + /*! + * Called by setData() to parse the footer data. It makes this information + * available through the public API. + */ + void parse(const ByteVector &data); + + /*! + * Called by renderFooter and renderHeader + */ + ByteVector render(bool isHeader) const; + + private: + Footer(const Footer &); + Footer &operator=(const Footer &); + + class FooterPrivate; + FooterPrivate *d; + }; + + } +} + +#endif diff --git a/libs/taglib/taglib/ape/apeitem.cpp b/libs/taglib/taglib/ape/apeitem.cpp new file mode 100644 index 0000000000..a6fe31b9ff --- /dev/null +++ b/libs/taglib/taglib/ape/apeitem.cpp @@ -0,0 +1,229 @@ +/*************************************************************************** + copyright : (C) 2004 by Allan Sandfeld Jensen + email : kde@carewolf.com + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tbytevectorlist.h> +#include <tdebug.h> + +#include "apeitem.h" + +using namespace TagLib; +using namespace APE; + +class APE::Item::ItemPrivate +{ +public: + ItemPrivate() : type(Text), readOnly(false) {} + + Item::ItemTypes type; + String key; + ByteVector value; + StringList text; + bool readOnly; +}; + +APE::Item::Item() +{ + d = new ItemPrivate; +} + +APE::Item::Item(const String &key, const String &value) +{ + d = new ItemPrivate; + d->key = key; + d->text.append(value); +} + +APE::Item::Item(const String &key, const StringList &values) +{ + d = new ItemPrivate; + d->key = key; + d->text = values; +} + +APE::Item::Item(const Item &item) +{ + d = new ItemPrivate(*item.d); +} + +APE::Item::~Item() +{ + delete d; +} + +Item &APE::Item::operator=(const Item &item) +{ + delete d; + d = new ItemPrivate(*item.d); + return *this; +} + +void APE::Item::setReadOnly(bool readOnly) +{ + d->readOnly = readOnly; +} + +bool APE::Item::isReadOnly() const +{ + return d->readOnly; +} + +void APE::Item::setType(APE::Item::ItemTypes val) +{ + d->type = val; +} + +APE::Item::ItemTypes APE::Item::type() const +{ + return d->type; +} + +String APE::Item::key() const +{ + return d->key; +} + +ByteVector APE::Item::value() const +{ + // This seems incorrect as it won't be actually rendering the value to keep it + // up to date. + + return d->value; +} + +void APE::Item::setKey(const String &key) +{ + d->key = key; +} + +void APE::Item::setValue(const String &value) +{ + d->text = value; +} + +void APE::Item::setValues(const StringList &value) +{ + d->text = value; +} + +void APE::Item::appendValue(const String &value) +{ + d->text.append(value); +} + +void APE::Item::appendValues(const StringList &values) +{ + d->text.append(values); +} + +int APE::Item::size() const +{ + return 8 + d->key.size() + 1 + d->value.size(); +} + +StringList APE::Item::toStringList() const +{ + return d->text; +} + +StringList APE::Item::values() const +{ + return d->text; +} + +String APE::Item::toString() const +{ + return isEmpty() ? String::null : d->text.front(); +} + +bool APE::Item::isEmpty() const +{ + switch(d->type) { + case 0: + case 1: + if(d->text.isEmpty()) + return true; + if(d->text.size() == 1 && d->text.front().isEmpty()) + return true; + return false; + case 2: + return d->value.isEmpty(); + default: + return false; + } +} + +void APE::Item::parse(const ByteVector &data) +{ + // 11 bytes is the minimum size for an APE item + + if(data.size() < 11) { + debug("APE::Item::parse() -- no data in item"); + return; + } + + uint valueLength = data.mid(0, 4).toUInt(false); + uint flags = data.mid(4, 4).toUInt(false); + + d->key = String(data.mid(8), String::UTF8); + + d->value = data.mid(8 + d->key.size() + 1, valueLength); + + setReadOnly(flags & 1); + setType(ItemTypes((flags >> 1) & 3)); + + if(int(d->type) < 2) + d->text = StringList(ByteVectorList::split(d->value, '\0'), String::UTF8); +} + +ByteVector APE::Item::render() const +{ + ByteVector data; + TagLib::uint flags = ((d->readOnly) ? 1 : 0) | (d->type << 1); + ByteVector value; + + if(isEmpty()) + return data; + + if(d->type != Item::Binary) { + StringList::ConstIterator it = d->text.begin(); + value.append(it->data(String::UTF8)); + it++; + for(; it != d->text.end(); ++it) { + value.append('\0'); + value.append(it->data(String::UTF8)); + } + d->value = value; + } + else + value.append(d->value); + + data.append(ByteVector::fromUInt(value.size(), false)); + data.append(ByteVector::fromUInt(flags, false)); + data.append(d->key.data(String::UTF8)); + data.append(ByteVector('\0')); + data.append(value); + + return data; +} diff --git a/libs/taglib/taglib/ape/apeitem.h b/libs/taglib/taglib/ape/apeitem.h new file mode 100644 index 0000000000..8558bb3555 --- /dev/null +++ b/libs/taglib/taglib/ape/apeitem.h @@ -0,0 +1,204 @@ +/*************************************************************************** + copyright : (C) 2004 by Allan Sandfeld Jensen + email : kde@carewolf.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_APEITEM_H +#define TAGLIB_APEITEM_H + +#include "tbytevector.h" +#include "tstring.h" +#include "tstringlist.h" + +namespace TagLib { + + namespace APE { + + //! An implementation of APE-items + + /*! + * This class provides the features of items in the APEv2 standard. + */ + class TAGLIB_EXPORT Item + { + public: + /*! + * Enum of types an Item can have. The value of 3 is reserved. + */ + enum ItemTypes { + //! Item contains text information coded in UTF-8 + Text = 0, + //! Item contains binary information + Binary = 1, + //! Item is a locator of external stored information + Locator = 2 + }; + /*! + * Constructs an empty item. + */ + Item(); + + /*! + * Constructs an item with \a key and \a value. + */ + // BIC: Remove this, StringList has a constructor from a single string + Item(const String &key, const String &value); + + /*! + * Constructs an item with \a key and \a values. + */ + Item(const String &key, const StringList &values); + + /*! + * Construct an item as a copy of \a item. + */ + Item(const Item &item); + + /*! + * Destroys the item. + */ + virtual ~Item(); + + /*! + * Copies the contents of \a item into this item. + */ + Item &operator=(const Item &item); + + /*! + * Returns the key. + */ + String key() const; + + /*! + * Returns the binary value. + * + * \deprecated This will be removed in the next binary incompatible version + * as it is not kept in sync with the things that are set using setValue() + * and friends. + */ + ByteVector value() const; + + /*! + * Sets the key for the item to \a key. + */ + void setKey(const String &key); + + /*! + * Sets the value of the item to \a value and clears any previous contents. + * + * \see toString() + */ + void setValue(const String &value); + + /*! + * Sets the value of the item to the list of values in \a value and clears + * any previous contents. + * + * \see toStringList() + */ + void setValues(const StringList &values); + + /*! + * Appends \a value to create (or extend) the current list of values. + * + * \see toString() + */ + void appendValue(const String &value); + + /*! + * Appends \a values to extend the current list of values. + * + * \see toStringList() + */ + void appendValues(const StringList &values); + + /*! + * Returns the size of the full item. + */ + int size() const; + + /*! + * Returns the value as a single string. In case of multiple strings, + * the first is returned. + */ + String toString() const; + + /*! + * \deprecated + * \see values + */ + StringList toStringList() const; + + /*! + * Returns the list of values. + */ + StringList values() const; + + /*! + * Render the item to a ByteVector. + */ + ByteVector render() const; + + /*! + * Parse the item from the ByteVector \a data. + */ + void parse(const ByteVector& data); + + /*! + * Set the item to read-only. + */ + void setReadOnly(bool readOnly); + + /*! + * Return true if the item is read-only. + */ + bool isReadOnly() const; + + /*! + * Sets the type of the item to \a type. + * + * \see ItemTypes + */ + void setType(ItemTypes type); + + /*! + * Returns the type of the item. + */ + ItemTypes type() const; + + /*! + * Returns if the item has any real content. + */ + bool isEmpty() const; + + private: + class ItemPrivate; + ItemPrivate *d; + }; + } + +} + +#endif + + diff --git a/libs/taglib/taglib/ape/apetag.cpp b/libs/taglib/taglib/ape/apetag.cpp new file mode 100644 index 0000000000..1c38d2bdd0 --- /dev/null +++ b/libs/taglib/taglib/ape/apetag.cpp @@ -0,0 +1,266 @@ +/*************************************************************************** + copyright : (C) 2004 by Allan Sandfeld Jensen + email : kde@carewolf.com + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifdef __SUNPRO_CC +// Sun Studio finds multiple specializations of Map because +// it considers specializations with and without class types +// to be different; this define forces Map to use only the +// specialization with the class keyword. +#define WANT_CLASS_INSTANTIATION_OF_MAP (1) +#endif + +#include <tfile.h> +#include <tstring.h> +#include <tmap.h> + +#include "apetag.h" +#include "apefooter.h" +#include "apeitem.h" + +using namespace TagLib; +using namespace APE; + +class APE::Tag::TagPrivate +{ +public: + TagPrivate() : file(0), footerLocation(-1), tagLength(0) {} + + File *file; + long footerLocation; + long tagLength; + + Footer footer; + + ItemListMap itemListMap; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public methods +//////////////////////////////////////////////////////////////////////////////// + +APE::Tag::Tag() : TagLib::Tag() +{ + d = new TagPrivate; +} + +APE::Tag::Tag(File *file, long footerLocation) : TagLib::Tag() +{ + d = new TagPrivate; + d->file = file; + d->footerLocation = footerLocation; + + read(); +} + +APE::Tag::~Tag() +{ + delete d; +} + +ByteVector APE::Tag::fileIdentifier() +{ + return ByteVector::fromCString("APETAGEX"); +} + +String APE::Tag::title() const +{ + if(d->itemListMap["TITLE"].isEmpty()) + return String::null; + return d->itemListMap["TITLE"].toString(); +} + +String APE::Tag::artist() const +{ + if(d->itemListMap["ARTIST"].isEmpty()) + return String::null; + return d->itemListMap["ARTIST"].toString(); +} + +String APE::Tag::album() const +{ + if(d->itemListMap["ALBUM"].isEmpty()) + return String::null; + return d->itemListMap["ALBUM"].toString(); +} + +String APE::Tag::comment() const +{ + if(d->itemListMap["COMMENT"].isEmpty()) + return String::null; + return d->itemListMap["COMMENT"].toString(); +} + +String APE::Tag::genre() const +{ + if(d->itemListMap["GENRE"].isEmpty()) + return String::null; + return d->itemListMap["GENRE"].toString(); +} + +TagLib::uint APE::Tag::year() const +{ + if(d->itemListMap["YEAR"].isEmpty()) + return 0; + return d->itemListMap["YEAR"].toString().toInt(); +} + +TagLib::uint APE::Tag::track() const +{ + if(d->itemListMap["TRACK"].isEmpty()) + return 0; + return d->itemListMap["TRACK"].toString().toInt(); +} + +void APE::Tag::setTitle(const String &s) +{ + addValue("TITLE", s, true); +} + +void APE::Tag::setArtist(const String &s) +{ + addValue("ARTIST", s, true); +} + +void APE::Tag::setAlbum(const String &s) +{ + addValue("ALBUM", s, true); +} + +void APE::Tag::setComment(const String &s) +{ + addValue("COMMENT", s, true); +} + +void APE::Tag::setGenre(const String &s) +{ + addValue("GENRE", s, true); +} + +void APE::Tag::setYear(uint i) +{ + if(i <= 0) + removeItem("YEAR"); + else + addValue("YEAR", String::number(i), true); +} + +void APE::Tag::setTrack(uint i) +{ + if(i <= 0) + removeItem("TRACK"); + else + addValue("TRACK", String::number(i), true); +} + +APE::Footer *APE::Tag::footer() const +{ + return &d->footer; +} + +const APE::ItemListMap& APE::Tag::itemListMap() const +{ + return d->itemListMap; +} + +void APE::Tag::removeItem(const String &key) +{ + Map<const String, Item>::Iterator it = d->itemListMap.find(key.upper()); + if(it != d->itemListMap.end()) + d->itemListMap.erase(it); +} + +void APE::Tag::addValue(const String &key, const String &value, bool replace) +{ + if(replace) + removeItem(key); + if(!value.isEmpty()) { + if(d->itemListMap.contains(key) || !replace) + d->itemListMap[key.upper()].appendValue(value); + else + setItem(key, Item(key, value)); + } +} + +void APE::Tag::setItem(const String &key, const Item &item) +{ + d->itemListMap.insert(key.upper(), item); +} + +//////////////////////////////////////////////////////////////////////////////// +// protected methods +//////////////////////////////////////////////////////////////////////////////// + +void APE::Tag::read() +{ + if(d->file && d->file->isValid()) { + + d->file->seek(d->footerLocation); + d->footer.setData(d->file->readBlock(Footer::size())); + + if(d->footer.tagSize() <= Footer::size() || + d->footer.tagSize() > uint(d->file->length())) + return; + + d->file->seek(d->footerLocation + Footer::size() - d->footer.tagSize()); + parse(d->file->readBlock(d->footer.tagSize() - Footer::size())); + } +} + +ByteVector APE::Tag::render() const +{ + ByteVector data; + uint itemCount = 0; + + { + for(Map<const String, Item>::ConstIterator it = d->itemListMap.begin(); + it != d->itemListMap.end(); ++it) + { + data.append(it->second.render()); + itemCount++; + } + } + + d->footer.setItemCount(itemCount); + d->footer.setTagSize(data.size() + Footer::size()); + d->footer.setHeaderPresent(true); + + return d->footer.renderHeader() + data + d->footer.renderFooter(); +} + +void APE::Tag::parse(const ByteVector &data) +{ + uint pos = 0; + + // 11 bytes is the minimum size for an APE item + + for(uint i = 0; i < d->footer.itemCount() && pos <= data.size() - 11; i++) { + APE::Item item; + item.parse(data.mid(pos)); + + d->itemListMap.insert(item.key().upper(), item); + + pos += item.size(); + } +} diff --git a/libs/taglib/taglib/ape/apetag.h b/libs/taglib/taglib/ape/apetag.h new file mode 100644 index 0000000000..03a3c91779 --- /dev/null +++ b/libs/taglib/taglib/ape/apetag.h @@ -0,0 +1,162 @@ +/*************************************************************************** + copyright : (C) 2004 by Allan Sandfeld Jensen + email : kde@carewolf.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_APETAG_H +#define TAGLIB_APETAG_H + +#include "tag.h" +#include "tbytevector.h" +#include "tmap.h" +#include "tstring.h" +#include "taglib_export.h" + +#include "apeitem.h" + +namespace TagLib { + + class File; + + //! An implementation of the APE tagging format + + namespace APE { + + class Footer; + + /*! + * A mapping between a list of item names, or keys, and the associated item. + * + * \see APE::Tag::itemListMap() + */ + typedef Map<const String, Item> ItemListMap; + + + //! An APE tag implementation + + class TAGLIB_EXPORT Tag : public TagLib::Tag + { + public: + /*! + * Create an APE tag with default values. + */ + Tag(); + + /*! + * Create an APE tag and parse the data in \a file with APE footer at + * \a tagOffset. + */ + Tag(File *file, long footerLocation); + + /*! + * Destroys this Tag instance. + */ + virtual ~Tag(); + + /*! + * Renders the in memory values to a ByteVector suitable for writing to + * the file. + */ + ByteVector render() const; + + /*! + * Returns the string "APETAGEX" suitable for usage in locating the tag in a + * file. + */ + static ByteVector fileIdentifier(); + + // Reimplementations. + + virtual String title() const; + virtual String artist() const; + virtual String album() const; + virtual String comment() const; + virtual String genre() const; + virtual uint year() const; + virtual uint track() const; + + virtual void setTitle(const String &s); + virtual void setArtist(const String &s); + virtual void setAlbum(const String &s); + virtual void setComment(const String &s); + virtual void setGenre(const String &s); + virtual void setYear(uint i); + virtual void setTrack(uint i); + + /*! + * Returns a pointer to the tag's footer. + */ + Footer *footer() const; + + /*! + * Returns a reference to the item list map. This is an ItemListMap of + * all of the items in the tag. + * + * This is the most powerfull structure for accessing the items of the tag. + * + * \warning You should not modify this data structure directly, instead + * use setItem() and removeItem(). + */ + const ItemListMap &itemListMap() const; + + /*! + * Removes the \a key item from the tag + */ + void removeItem(const String &key); + + /*! + * Adds to the item specified by \a key the data \a value. If \a replace + * is true, then all of the other values on the same key will be removed + * first. + */ + void addValue(const String &key, const String &value, bool replace = true); + + /*! + * Sets the \a key item to the value of \a item. If an item with the \a key is already + * present, it will be replaced. + */ + void setItem(const String &key, const Item &item); + + protected: + + /*! + * Reads from the file specified in the constructor. + */ + void read(); + + /*! + * Parses the body of the tag in \a data. + */ + void parse(const ByteVector &data); + + private: + Tag(const Tag &); + Tag &operator=(const Tag &); + + class TagPrivate; + TagPrivate *d; + }; + } +} + +#endif diff --git a/libs/taglib/taglib/audioproperties.cpp b/libs/taglib/taglib/audioproperties.cpp new file mode 100644 index 0000000000..324cc35c0f --- /dev/null +++ b/libs/taglib/taglib/audioproperties.cpp @@ -0,0 +1,51 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include "audioproperties.h" + +using namespace TagLib; + +class AudioProperties::AudioPropertiesPrivate +{ + +}; + +//////////////////////////////////////////////////////////////////////////////// +// public methods +//////////////////////////////////////////////////////////////////////////////// + +AudioProperties::~AudioProperties() +{ + +} + +//////////////////////////////////////////////////////////////////////////////// +// protected methods +//////////////////////////////////////////////////////////////////////////////// + +AudioProperties::AudioProperties(ReadStyle) +{ + +} diff --git a/libs/taglib/taglib/audioproperties.h b/libs/taglib/taglib/audioproperties.h new file mode 100644 index 0000000000..4841031ff4 --- /dev/null +++ b/libs/taglib/taglib/audioproperties.h @@ -0,0 +1,110 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_AUDIOPROPERTIES_H +#define TAGLIB_AUDIOPROPERTIES_H + +#include "taglib_export.h" + +namespace TagLib { + + //! A simple, abstract interface to common audio properties + + /*! + * The values here are common to most audio formats. For more specific, codec + * dependant values, please see see the subclasses APIs. This is meant to + * compliment the TagLib::File and TagLib::Tag APIs in providing a simple + * interface that is sufficient for most applications. + */ + + class TAGLIB_EXPORT AudioProperties + { + public: + + /*! + * Reading audio properties from a file can sometimes be very time consuming + * and for the most accurate results can often involve reading the entire + * file. Because in many situations speed is critical or the accuracy of the + * values is not particularly important this allows the level of desired + * accuracy to be set. + */ + enum ReadStyle { + //! Read as little of the file as possible + Fast, + //! Read more of the file and make better values guesses + Average, + //! Read as much of the file as needed to report accurate values + Accurate + }; + + /*! + * Destroys this AudioProperties instance. + */ + virtual ~AudioProperties(); + + /*! + * Returns the length of the file in seconds. + */ + virtual int length() const = 0; + + /*! + * Returns the most appropriate bit rate for the file in kb/s. For constant + * bitrate formats this is simply the bitrate of the file. For variable + * bitrate formats this is either the average or nominal bitrate. + */ + virtual int bitrate() const = 0; + + /*! + * Returns the sample rate in Hz. + */ + virtual int sampleRate() const = 0; + + /*! + * Returns the number of audio channels. + */ + virtual int channels() const = 0; + + protected: + + /*! + * Construct an audio properties instance. This is protected as this class + * should not be instantiated directly, but should be instantiated via its + * subclasses and can be fetched from the FileRef or File APIs. + * + * \see ReadStyle + */ + AudioProperties(ReadStyle style); + + private: + AudioProperties(const AudioProperties &); + AudioProperties &operator=(const AudioProperties &); + + class AudioPropertiesPrivate; + AudioPropertiesPrivate *d; + }; + +} + +#endif diff --git a/libs/taglib/taglib/fileref.cpp b/libs/taglib/taglib/fileref.cpp new file mode 100644 index 0000000000..eee62f2cfc --- /dev/null +++ b/libs/taglib/taglib/fileref.cpp @@ -0,0 +1,203 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tfile.h> +#include <tstring.h> + +#include "fileref.h" +#include "mpegfile.h" +#include "vorbisfile.h" +#include "flacfile.h" +#include "oggflacfile.h" +#include "mpcfile.h" +#include "wavpackfile.h" +#include "speexfile.h" +#include "trueaudiofile.h" + +using namespace TagLib; + +class FileRef::FileRefPrivate : public RefCounter +{ +public: + FileRefPrivate(File *f) : RefCounter(), file(f) {} + ~FileRefPrivate() { + delete file; + } + + File *file; + static List<const FileTypeResolver *> fileTypeResolvers; +}; + +List<const FileRef::FileTypeResolver *> FileRef::FileRefPrivate::fileTypeResolvers; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +FileRef::FileRef() +{ + d = new FileRefPrivate(0); +} + +FileRef::FileRef(FileName fileName, bool readAudioProperties, + AudioProperties::ReadStyle audioPropertiesStyle) +{ + d = new FileRefPrivate(create(fileName, readAudioProperties, audioPropertiesStyle)); +} + +FileRef::FileRef(File *file) +{ + d = new FileRefPrivate(file); +} + +FileRef::FileRef(const FileRef &ref) : d(ref.d) +{ + d->ref(); +} + +FileRef::~FileRef() +{ + if(d->deref()) + delete d; +} + +Tag *FileRef::tag() const +{ + return d->file->tag(); +} + +AudioProperties *FileRef::audioProperties() const +{ + return d->file->audioProperties(); +} + +File *FileRef::file() const +{ + return d->file; +} + +bool FileRef::save() +{ + return d->file->save(); +} + +const FileRef::FileTypeResolver *FileRef::addFileTypeResolver(const FileRef::FileTypeResolver *resolver) // static +{ + FileRefPrivate::fileTypeResolvers.prepend(resolver); + return resolver; +} + +StringList FileRef::defaultFileExtensions() +{ + StringList l; + + l.append("ogg"); + l.append("flac"); + l.append("oga"); + l.append("mp3"); + l.append("mpc"); + l.append("wv"); + l.append("spx"); + l.append("tta"); + + return l; +} + +bool FileRef::isNull() const +{ + return !d->file || !d->file->isValid(); +} + +FileRef &FileRef::operator=(const FileRef &ref) +{ + if(&ref == this) + return *this; + + if(d->deref()) + delete d; + + d = ref.d; + d->ref(); + + return *this; +} + +bool FileRef::operator==(const FileRef &ref) const +{ + return ref.d->file == d->file; +} + +bool FileRef::operator!=(const FileRef &ref) const +{ + return ref.d->file != d->file; +} + +File *FileRef::create(FileName fileName, bool readAudioProperties, + AudioProperties::ReadStyle audioPropertiesStyle) // static +{ + + List<const FileTypeResolver *>::ConstIterator it = FileRefPrivate::fileTypeResolvers.begin(); + + for(; it != FileRefPrivate::fileTypeResolvers.end(); ++it) { + File *file = (*it)->createFile(fileName, readAudioProperties, audioPropertiesStyle); + if(file) + return file; + } + + // Ok, this is really dumb for now, but it works for testing. + + String s; + +#ifdef _WIN32 + s = (wcslen((const wchar_t *) fileName) > 0) ? String((const wchar_t *) fileName) : String((const char *) fileName); +#else + s = fileName; +#endif + + // If this list is updated, the method defaultFileExtensions() should also be + // updated. However at some point that list should be created at the same time + // that a default file type resolver is created. + + if(s.size() > 4) { + if(s.substr(s.size() - 4, 4).upper() == ".OGG") + return new Ogg::Vorbis::File(fileName, readAudioProperties, audioPropertiesStyle); + if(s.substr(s.size() - 4, 4).upper() == ".MP3") + return new MPEG::File(fileName, readAudioProperties, audioPropertiesStyle); + if(s.substr(s.size() - 4, 4).upper() == ".OGA") + return new Ogg::FLAC::File(fileName, readAudioProperties, audioPropertiesStyle); + if(s.substr(s.size() - 5, 5).upper() == ".FLAC") + return new FLAC::File(fileName, readAudioProperties, audioPropertiesStyle); + if(s.substr(s.size() - 4, 4).upper() == ".MPC") + return new MPC::File(fileName, readAudioProperties, audioPropertiesStyle); + if(s.substr(s.size() - 3, 3).upper() == ".WV") + return new WavPack::File(fileName, readAudioProperties, audioPropertiesStyle); + if(s.substr(s.size() - 4, 4).upper() == ".SPX") + return new Ogg::Speex::File(fileName, readAudioProperties, audioPropertiesStyle); + if(s.substr(s.size() - 4, 4).upper() == ".TTA") + return new TrueAudio::File(fileName, readAudioProperties, audioPropertiesStyle); + } + + return 0; +} diff --git a/libs/taglib/taglib/fileref.h b/libs/taglib/taglib/fileref.h new file mode 100644 index 0000000000..cb4c2b41cc --- /dev/null +++ b/libs/taglib/taglib/fileref.h @@ -0,0 +1,262 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_FILEREF_H +#define TAGLIB_FILEREF_H + +#include <tfile.h> +#include <tstringlist.h> + +#include "taglib_export.h" +#include "audioproperties.h" + +namespace TagLib { + + class Tag; + + //! This class provides a simple abstraction for creating and handling files + + /*! + * FileRef exists to provide a minimal, generic and value-based wrapper around + * a File. It is lightweight and implicitly shared, and as such suitable for + * pass-by-value use. This hides some of the uglier details of TagLib::File + * and the non-generic portions of the concrete file implementations. + * + * This class is useful in a "simple usage" situation where it is desirable + * to be able to get and set some of the tag information that is similar + * across file types. + * + * Also note that it is probably a good idea to plug this into your mime + * type system rather than using the constructor that accepts a file name using + * the FileTypeResolver. + * + * \see FileTypeResolver + * \see addFileTypeResolver() + */ + + class TAGLIB_EXPORT FileRef + { + public: + + //! A class for pluggable file type resolution. + + /*! + * This class is used to add extend TagLib's very basic file name based file + * type resolution. + * + * This can be accomplished with: + * + * \code + * + * class MyFileTypeResolver : FileTypeResolver + * { + * TagLib::File *createFile(TagLib::FileName *fileName, bool, AudioProperties::ReadStyle) + * { + * if(someCheckForAnMP3File(fileName)) + * return new TagLib::MPEG::File(fileName); + * return 0; + * } + * } + * + * FileRef::addFileTypeResolver(new MyFileTypeResolver); + * + * \endcode + * + * Naturally a less contrived example would be slightly more complex. This + * can be used to plug in mime-type detection systems or to add new file types + * to TagLib. + */ + + class TAGLIB_EXPORT FileTypeResolver + { + public: + // do not fix compiler warning about missing virtual destructor + // since this would not be binary compatible + // let Scott fix it whenever he thinks BIC changes can next be applied + /*! + * This method must be overridden to provide an additional file type + * resolver. If the resolver is able to determine the file type it should + * return a valid File object; if not it should return 0. + * + * \note The created file is then owned by the FileRef and should not be + * deleted. Deletion will happen automatically when the FileRef passes + * out of scope. + */ + virtual File *createFile(FileName fileName, + bool readAudioProperties = true, + AudioProperties::ReadStyle + audioPropertiesStyle = AudioProperties::Average) const = 0; + }; + + /*! + * Creates a null FileRef. + */ + FileRef(); + + /*! + * Create a FileRef from \a fileName. If \a readAudioProperties is true then + * the audio properties will be read using \a audioPropertiesStyle. If + * \a readAudioProperties is false then \a audioPropertiesStyle will be + * ignored. + * + * Also see the note in the class documentation about why you may not want to + * use this method in your application. + */ + explicit FileRef(FileName fileName, + bool readAudioProperties = true, + AudioProperties::ReadStyle + audioPropertiesStyle = AudioProperties::Average); + + /*! + * Contruct a FileRef using \a file. The FileRef now takes ownership of the + * pointer and will delete the File when it passes out of scope. + */ + explicit FileRef(File *file); + + /*! + * Make a copy of \a ref. + */ + FileRef(const FileRef &ref); + + /*! + * Destroys this FileRef instance. + */ + virtual ~FileRef(); + + /*! + * Returns a pointer to represented file's tag. + * + * \warning This pointer will become invalid when this FileRef and all + * copies pass out of scope. + * + * \see File::tag() + */ + Tag *tag() const; + + /*! + * Returns the audio properties for this FileRef. If no audio properties + * were read then this will returns a null pointer. + */ + AudioProperties *audioProperties() const; + + /*! + * Returns a pointer to the file represented by this handler class. + * + * As a general rule this call should be avoided since if you need to work + * with file objects directly, you are probably better served instantiating + * the File subclasses (i.e. MPEG::File) manually and working with their APIs. + * + * This <i>handle</i> exists to provide a minimal, generic and value-based + * wrapper around a File. Accessing the file directly generally indicates + * a moving away from this simplicity (and into things beyond the scope of + * FileRef). + * + * \warning This pointer will become invalid when this FileRef and all + * copies pass out of scope. + */ + File *file() const; + + /*! + * Saves the file. Returns true on success. + */ + bool save(); + + /*! + * Adds a FileTypeResolver to the list of those used by TagLib. Each + * additional FileTypeResolver is added to the front of a list of resolvers + * that are tried. If the FileTypeResolver returns zero the next resolver + * is tried. + * + * Returns a pointer to the added resolver (the same one that's passed in -- + * this is mostly so that static inialializers have something to use for + * assignment). + * + * \see FileTypeResolver + */ + static const FileTypeResolver *addFileTypeResolver(const FileTypeResolver *resolver); + + /*! + * As is mentioned elsewhere in this class's documentation, the default file + * type resolution code provided by TagLib only works by comparing file + * extensions. + * + * This method returns the list of file extensions that are used by default. + * + * The extensions are all returned in lowercase, though the comparison used + * by TagLib for resolution is case-insensitive. + * + * \note This does not account for any additional file type resolvers that + * are plugged in. Also note that this is not intended to replace a propper + * mime-type resolution system, but is just here for reference. + * + * \see FileTypeResolver + */ + static StringList defaultFileExtensions(); + + /*! + * Returns true if the file (and as such other pointers) are null. + */ + bool isNull() const; + + /*! + * Assign the file pointed to by \a ref to this FileRef. + */ + FileRef &operator=(const FileRef &ref); + + /*! + * Returns true if this FileRef and \a ref point to the same File object. + */ + bool operator==(const FileRef &ref) const; + + /*! + * Returns true if this FileRef and \a ref do not point to the same File + * object. + */ + bool operator!=(const FileRef &ref) const; + + /*! + * A simple implementation of file type guessing. If \a readAudioProperties + * is true then the audio properties will be read using + * \a audioPropertiesStyle. If \a readAudioProperties is false then + * \a audioPropertiesStyle will be ignored. + * + * \note You generally shouldn't use this method, but instead the constructor + * directly. + * + * \deprecated + */ + static File *create(FileName fileName, + bool readAudioProperties = true, + AudioProperties::ReadStyle audioPropertiesStyle = AudioProperties::Average); + + + private: + class FileRefPrivate; + FileRefPrivate *d; + }; + +} // namespace TagLib + +#endif diff --git a/libs/taglib/taglib/flac/CMakeLists.txt b/libs/taglib/taglib/flac/CMakeLists.txt new file mode 100644 index 0000000000..8c9831518d --- /dev/null +++ b/libs/taglib/taglib/flac/CMakeLists.txt @@ -0,0 +1 @@ +INSTALL( FILES flacfile.h flacproperties.h DESTINATION ${INCLUDE_INSTALL_DIR}/taglib ) diff --git a/libs/taglib/taglib/flac/Makefile.am b/libs/taglib/taglib/flac/Makefile.am new file mode 100644 index 0000000000..337986a811 --- /dev/null +++ b/libs/taglib/taglib/flac/Makefile.am @@ -0,0 +1,14 @@ +INCLUDES = \ + -I$(top_srcdir)/taglib \ + -I$(top_srcdir)/taglib/toolkit \ + -I$(top_srcdir)/taglib/ogg \ + -I$(top_srcdir)/taglib/mpeg/id3v2 \ + -I$(top_srcdir)/taglib/mpeg/id3v1 \ + $(all_includes) + +noinst_LTLIBRARIES = libflac.la + +libflac_la_SOURCES = flacfile.cpp flacproperties.cpp + +taglib_include_HEADERS = flacfile.h flacproperties.h +taglib_includedir = $(includedir)/taglib diff --git a/libs/taglib/taglib/flac/Makefile.in b/libs/taglib/taglib/flac/Makefile.in new file mode 100644 index 0000000000..3ac0810dfa --- /dev/null +++ b/libs/taglib/taglib/flac/Makefile.in @@ -0,0 +1,625 @@ +# Makefile.in generated by automake 1.10 from Makefile.am. +# KDE tags expanded automatically by am_edit - $Revision: 483858 $ +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +# This Makefile.in is free software; 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do \ + case '$(am__configure_deps)' in \ + *$$dep*) \ + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \ + && exit 0; \ + exit 1;; \ + esac; \ + done; \ + echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu taglib/flac/Makefile'; \ + cd $(top_srcdir) && \ + $(AUTOMAKE) --gnu taglib/flac/Makefile + cd $(top_srcdir) && perl admin/am_edit taglib/flac/Makefile.in + + +#>+ 21 +clean-bcheck: + rm -f *.bchecktest.cc *.bchecktest.cc.class a.out + +bcheck: bcheck-am + +bcheck-am: + @for i in $(taglib_include_HEADERS); do \ + if test $(srcdir)/$$i -nt $$i.bchecktest.cc; then \ + echo "int main() {return 0;}" > $$i.bchecktest.cc ; \ + echo "#include \"$$i\"" >> $$i.bchecktest.cc ; \ + echo "$$i"; \ + if ! $(CXXCOMPILE) --dump-class-hierarchy -c $$i.bchecktest.cc; then \ + rm -f $$i.bchecktest.cc; exit 1; \ + fi ; \ + echo "" >> $$i.bchecktest.cc.class; \ + perl $(top_srcdir)/admin/bcheck.pl $$i.bchecktest.cc.class || { rm -f $$i.bchecktest.cc; exit 1; }; \ + rm -f a.out; \ + fi ; \ + done + + +#>+ 11 +libflac_la.all_cpp.cpp: $(srcdir)/Makefile.in $(srcdir)/flacfile.cpp $(srcdir)/flacproperties.cpp + @echo 'creating libflac_la.all_cpp.cpp ...'; \ + rm -f libflac_la.all_cpp.files libflac_la.all_cpp.final; \ + echo "#define KDE_USE_FINAL 1" >> libflac_la.all_cpp.final; \ + for file in flacfile.cpp flacproperties.cpp ; do \ + echo "#include \"$$file\"" >> libflac_la.all_cpp.files; \ + test ! -f $(srcdir)/$$file || egrep '^#pragma +implementation' $(srcdir)/$$file >> libflac_la.all_cpp.final; \ + done; \ + cat libflac_la.all_cpp.final libflac_la.all_cpp.files > libflac_la.all_cpp.cpp; \ + rm -f libflac_la.all_cpp.final libflac_la.all_cpp.files + +#>+ 3 +clean-final: + -rm -f libflac_la.all_cpp.cpp + +#>+ 3 +final: + $(MAKE) libflac_la_OBJECTS="$(libflac_la_final_OBJECTS)" all-am + +#>+ 3 +final-install: + $(MAKE) libflac_la_OBJECTS="$(libflac_la_final_OBJECTS)" install-am + +#>+ 3 +no-final: + $(MAKE) libflac_la_OBJECTS="$(libflac_la_nofinal_OBJECTS)" all-am + +#>+ 3 +no-final-install: + $(MAKE) libflac_la_OBJECTS="$(libflac_la_nofinal_OBJECTS)" install-am + +#>+ 3 +kde-rpo-clean: + -rm -f *.rpo + +#>+ 3 +nmcheck: +nmcheck-am: nmcheck diff --git a/libs/taglib/taglib/flac/flacfile.cpp b/libs/taglib/taglib/flac/flacfile.cpp new file mode 100644 index 0000000000..2cf35ad246 --- /dev/null +++ b/libs/taglib/taglib/flac/flacfile.cpp @@ -0,0 +1,431 @@ +/*************************************************************************** + copyright : (C) 2003-2004 by Allan Sandfeld Jensen + email : kde@carewolf.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tbytevector.h> +#include <tstring.h> +#include <tlist.h> +#include <tdebug.h> +#include <tagunion.h> + +#include <id3v2header.h> +#include <id3v2tag.h> +#include <id3v1tag.h> +#include <xiphcomment.h> + +#include "flacfile.h" + +using namespace TagLib; + +namespace +{ + enum { XiphIndex = 0, ID3v2Index = 1, ID3v1Index = 2 }; + enum { StreamInfo = 0, Padding, Application, SeekTable, VorbisComment, CueSheet }; +} + +class FLAC::File::FilePrivate +{ +public: + FilePrivate() : + ID3v2FrameFactory(ID3v2::FrameFactory::instance()), + ID3v2Location(-1), + ID3v2OriginalSize(0), + ID3v1Location(-1), + properties(0), + flacStart(0), + streamStart(0), + streamLength(0), + scanned(false), + hasXiphComment(false), + hasID3v2(false), + hasID3v1(false) {} + + ~FilePrivate() + { + delete properties; + } + + const ID3v2::FrameFactory *ID3v2FrameFactory; + long ID3v2Location; + uint ID3v2OriginalSize; + + long ID3v1Location; + + TagUnion tag; + + Properties *properties; + ByteVector streamInfoData; + ByteVector xiphCommentData; + + long flacStart; + long streamStart; + long streamLength; + bool scanned; + + bool hasXiphComment; + bool hasID3v2; + bool hasID3v1; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +FLAC::File::File(FileName file, bool readProperties, + Properties::ReadStyle propertiesStyle) : + TagLib::File(file) +{ + d = new FilePrivate; + read(readProperties, propertiesStyle); +} + +FLAC::File::File(FileName file, ID3v2::FrameFactory *frameFactory, + bool readProperties, Properties::ReadStyle propertiesStyle) : + TagLib::File(file) +{ + d = new FilePrivate; + d->ID3v2FrameFactory = frameFactory; + read(readProperties, propertiesStyle); +} + +FLAC::File::~File() +{ + delete d; +} + +TagLib::Tag *FLAC::File::tag() const +{ + return &d->tag; +} + +FLAC::Properties *FLAC::File::audioProperties() const +{ + return d->properties; +} + + +bool FLAC::File::save() +{ + if(readOnly()) { + debug("FLAC::File::save() - Cannot save to a read only file."); + return false; + } + + // Create new vorbis comments + + Tag::duplicate(&d->tag, xiphComment(true), true); + + d->xiphCommentData = xiphComment()->render(false); + + // A Xiph comment portion of the data stream starts with a 4-byte descriptor. + // The first byte indicates the frame type. The last three bytes are used + // to give the length of the data segment. Here we start + + ByteVector data = ByteVector::fromUInt(d->xiphCommentData.size()); + + data[0] = char(VorbisComment); + data.append(d->xiphCommentData); + + + // If file already have comment => find and update it + // if not => insert one + + // TODO: Search for padding and use that + + if(d->hasXiphComment) { + + long nextBlockOffset = d->flacStart; + bool isLastBlock = false; + + while(!isLastBlock) { + seek(nextBlockOffset); + + ByteVector header = readBlock(4); + char blockType = header[0] & 0x7f; + isLastBlock = (header[0] & 0x80) != 0; + uint blockLength = header.mid(1, 3).toUInt(); + + if(blockType == VorbisComment) { + data[0] = header[0]; + insert(data, nextBlockOffset, blockLength + 4); + break; + } + + nextBlockOffset += blockLength + 4; + } + } + else { + + const long firstBlockOffset = d->flacStart; + seek(firstBlockOffset); + + ByteVector header = readBlock(4); + bool isLastBlock = (header[0] & 0x80) != 0; + uint blockLength = header.mid(1, 3).toUInt(); + + if(isLastBlock) { + + // If the first block was previously also the last block, then we want to + // mark it as no longer being the first block (the writeBlock() call) and + // then set the data for the block that we're about to write to mark our + // new block as the last block. + + seek(firstBlockOffset); + writeBlock(static_cast<char>(header[0] & 0x7F)); + data[0] |= 0x80; + } + + insert(data, firstBlockOffset + blockLength + 4, 0); + d->hasXiphComment = true; + } + + // Update ID3 tags + + if(ID3v2Tag()) { + if(d->hasID3v2) { + if(d->ID3v2Location < d->flacStart) + debug("FLAC::File::save() -- This can't be right -- an ID3v2 tag after the " + "start of the FLAC bytestream? Not writing the ID3v2 tag."); + else + insert(ID3v2Tag()->render(), d->ID3v2Location, d->ID3v2OriginalSize); + } + else + insert(ID3v2Tag()->render(), 0, 0); + } + + if(ID3v1Tag()) { + seek(-128, End); + writeBlock(ID3v1Tag()->render()); + } + + return true; +} + +ID3v2::Tag *FLAC::File::ID3v2Tag(bool create) +{ + if(!create || d->tag[ID3v2Index]) + return static_cast<ID3v2::Tag *>(d->tag[ID3v2Index]); + + d->tag.set(ID3v2Index, new ID3v2::Tag); + return static_cast<ID3v2::Tag *>(d->tag[ID3v2Index]); +} + +ID3v1::Tag *FLAC::File::ID3v1Tag(bool create) +{ + return d->tag.access<ID3v1::Tag>(ID3v1Index, create); +} + +Ogg::XiphComment *FLAC::File::xiphComment(bool create) +{ + return d->tag.access<Ogg::XiphComment>(XiphIndex, create); +} + +void FLAC::File::setID3v2FrameFactory(const ID3v2::FrameFactory *factory) +{ + d->ID3v2FrameFactory = factory; +} + + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +void FLAC::File::read(bool readProperties, Properties::ReadStyle propertiesStyle) +{ + // Look for an ID3v2 tag + + d->ID3v2Location = findID3v2(); + + if(d->ID3v2Location >= 0) { + + d->tag.set(ID3v2Index, new ID3v2::Tag(this, d->ID3v2Location, d->ID3v2FrameFactory)); + + d->ID3v2OriginalSize = ID3v2Tag()->header()->completeTagSize(); + + if(ID3v2Tag()->header()->tagSize() <= 0) + d->tag.set(ID3v2Index, 0); + else + d->hasID3v2 = true; + } + + // Look for an ID3v1 tag + + d->ID3v1Location = findID3v1(); + + if(d->ID3v1Location >= 0) { + d->tag.set(ID3v1Index, new ID3v1::Tag(this, d->ID3v1Location)); + d->hasID3v1 = true; + } + + // Look for FLAC metadata, including vorbis comments + + scan(); + + if(!isValid()) + return; + + if(d->hasXiphComment) + d->tag.set(XiphIndex, new Ogg::XiphComment(xiphCommentData())); + else + d->tag.set(XiphIndex, new Ogg::XiphComment); + + if(readProperties) + d->properties = new Properties(streamInfoData(), streamLength(), propertiesStyle); +} + +ByteVector FLAC::File::streamInfoData() +{ + return isValid() ? d->streamInfoData : ByteVector(); +} + +ByteVector FLAC::File::xiphCommentData() const +{ + return (isValid() && d->hasXiphComment) ? d->xiphCommentData : ByteVector(); +} + +long FLAC::File::streamLength() +{ + return d->streamLength; +} + +void FLAC::File::scan() +{ + // Scan the metadata pages + + if(d->scanned) + return; + + if(!isValid()) + return; + + long nextBlockOffset; + + if(d->hasID3v2) + nextBlockOffset = find("fLaC", d->ID3v2Location + d->ID3v2OriginalSize); + else + nextBlockOffset = find("fLaC"); + + if(nextBlockOffset < 0) { + debug("FLAC::File::scan() -- FLAC stream not found"); + setValid(false); + return; + } + + nextBlockOffset += 4; + d->flacStart = nextBlockOffset; + + seek(nextBlockOffset); + + ByteVector header = readBlock(4); + + // Header format (from spec): + // <1> Last-metadata-block flag + // <7> BLOCK_TYPE + // 0 : STREAMINFO + // 1 : PADDING + // .. + // 4 : VORBIS_COMMENT + // .. + // <24> Length of metadata to follow + + char blockType = header[0] & 0x7f; + bool isLastBlock = (header[0] & 0x80) != 0; + uint length = header.mid(1, 3).toUInt(); + + // First block should be the stream_info metadata + + if(blockType != StreamInfo) { + debug("FLAC::File::scan() -- invalid FLAC stream"); + setValid(false); + return; + } + + d->streamInfoData = readBlock(length); + nextBlockOffset += length + 4; + + // Search through the remaining metadata + + while(!isLastBlock) { + + header = readBlock(4); + blockType = header[0] & 0x7f; + isLastBlock = (header[0] & 0x80) != 0; + length = header.mid(1, 3).toUInt(); + + if(blockType == Padding) { + // debug("FLAC::File::scan() -- Padding found"); + } + // Found the vorbis-comment + else if(blockType == VorbisComment) { + d->xiphCommentData = readBlock(length); + d->hasXiphComment = true; + } + + nextBlockOffset += length + 4; + + if(nextBlockOffset >= File::length()) { + debug("FLAC::File::scan() -- FLAC stream corrupted"); + setValid(false); + return; + } + seek(nextBlockOffset); + } + + // End of metadata, now comes the datastream + + d->streamStart = nextBlockOffset; + d->streamLength = File::length() - d->streamStart; + + if(d->hasID3v1) + d->streamLength -= 128; + + d->scanned = true; +} + +long FLAC::File::findID3v1() +{ + if(!isValid()) + return -1; + + seek(-128, End); + long p = tell(); + + if(readBlock(3) == ID3v1::Tag::fileIdentifier()) + return p; + + return -1; +} + +long FLAC::File::findID3v2() +{ + if(!isValid()) + return -1; + + seek(0); + + if(readBlock(3) == ID3v2::Header::fileIdentifier()) + return 0; + + return -1; +} diff --git a/libs/taglib/taglib/flac/flacfile.h b/libs/taglib/taglib/flac/flacfile.h new file mode 100644 index 0000000000..ae1fe69b35 --- /dev/null +++ b/libs/taglib/taglib/flac/flacfile.h @@ -0,0 +1,201 @@ +/*************************************************************************** + copyright : (C) 2003 by Allan Sandfeld Jensen + email : kde@carewolf.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_FLACFILE_H +#define TAGLIB_FLACFILE_H + +#include "taglib_export.h" +#include "tfile.h" + +#include "flacproperties.h" + +namespace TagLib { + + class Tag; + + namespace ID3v2 { class FrameFactory; class Tag; } + namespace ID3v1 { class Tag; } + namespace Ogg { class XiphComment; } + + //! An implementation of FLAC metadata + + /*! + * This is implementation of FLAC metadata for non-Ogg FLAC files. At some + * point when Ogg / FLAC is more common there will be a similar implementation + * under the Ogg hiearchy. + * + * This supports ID3v1, ID3v2 and Xiph style comments as well as reading stream + * properties from the file. + */ + + namespace FLAC { + + //! An implementation of TagLib::File with FLAC specific methods + + /*! + * This implements and provides an interface for FLAC files to the + * TagLib::Tag and TagLib::AudioProperties interfaces by way of implementing + * the abstract TagLib::File API as well as providing some additional + * information specific to FLAC files. + */ + + class TAGLIB_EXPORT File : public TagLib::File + { + public: + /*! + * Contructs a FLAC file from \a file. If \a readProperties is true the + * file's audio properties will also be read using \a propertiesStyle. If + * false, \a propertiesStyle is ignored. + * + * \deprecated This constructor will be dropped in favor of the one below + * in a future version. + */ + File(FileName file, bool readProperties = true, + Properties::ReadStyle propertiesStyle = Properties::Average); + + /*! + * Contructs a FLAC file from \a file. If \a readProperties is true the + * file's audio properties will also be read using \a propertiesStyle. If + * false, \a propertiesStyle is ignored. + * + * If this file contains and ID3v2 tag the frames will be created using + * \a frameFactory. + */ + // BIC: merge with the above constructor + File(FileName file, ID3v2::FrameFactory *frameFactory, + bool readProperties = true, + Properties::ReadStyle propertiesStyle = Properties::Average); + + /*! + * Destroys this instance of the File. + */ + virtual ~File(); + + /*! + * Returns the Tag for this file. This will be a union of XiphComment, + * ID3v1 and ID3v2 tags. + * + * \see ID3v2Tag() + * \see ID3v1Tag() + * \see XiphComment() + */ + virtual TagLib::Tag *tag() const; + + /*! + * Returns the FLAC::Properties for this file. If no audio properties + * were read then this will return a null pointer. + */ + virtual Properties *audioProperties() const; + + /*! + * Save the file. This will primarily save the XiphComment, but + * will also keep any old ID3-tags up to date. If the file + * has no XiphComment, one will be constructed from the ID3-tags. + * + * This returns true if the save was successful. + */ + virtual bool save(); + + /*! + * Returns a pointer to the ID3v2 tag of the file. + * + * If \a create is false (the default) this will return a null pointer + * if there is no valid ID3v2 tag. If \a create is true it will create + * an ID3v2 tag if one does not exist. + * + * \note The Tag <b>is still</b> owned by the FLAC::File and should not be + * deleted by the user. It will be deleted when the file (object) is + * destroyed. + */ + ID3v2::Tag *ID3v2Tag(bool create = false); + + /*! + * Returns a pointer to the ID3v1 tag of the file. + * + * If \a create is false (the default) this will return a null pointer + * if there is no valid ID3v1 tag. If \a create is true it will create + * an ID3v1 tag if one does not exist. + * + * \note The Tag <b>is still</b> owned by the FLAC::File and should not be + * deleted by the user. It will be deleted when the file (object) is + * destroyed. + */ + ID3v1::Tag *ID3v1Tag(bool create = false); + + /*! + * Returns a pointer to the XiphComment for the file. + * + * If \a create is false (the default) this will return a null pointer + * if there is no valid XiphComment. If \a create is true it will create + * a XiphComment if one does not exist. + * + * \note The Tag <b>is still</b> owned by the FLAC::File and should not be + * deleted by the user. It will be deleted when the file (object) is + * destroyed. + */ + Ogg::XiphComment *xiphComment(bool create = false); + + /*! + * Set the ID3v2::FrameFactory to something other than the default. This + * can be used to specify the way that ID3v2 frames will be interpreted + * when + * + * \see ID3v2FrameFactory + */ + void setID3v2FrameFactory(const ID3v2::FrameFactory *factory); + + /*! + * Returns the block of data used by FLAC::Properties for parsing the + * stream properties. + * + * \deprecated This method will not be public in a future release. + */ + ByteVector streamInfoData(); // BIC: remove + + /*! + * Returns the length of the audio-stream, used by FLAC::Properties for + * calculating the bitrate. + * + * \deprecated This method will not be public in a future release. + */ + long streamLength(); // BIC: remove + + private: + File(const File &); + File &operator=(const File &); + + void read(bool readProperties, Properties::ReadStyle propertiesStyle); + void scan(); + long findID3v2(); + long findID3v1(); + ByteVector xiphCommentData() const; + + class FilePrivate; + FilePrivate *d; + }; + } +} + +#endif diff --git a/libs/taglib/taglib/flac/flacproperties.cpp b/libs/taglib/taglib/flac/flacproperties.cpp new file mode 100644 index 0000000000..3ee018fed0 --- /dev/null +++ b/libs/taglib/taglib/flac/flacproperties.cpp @@ -0,0 +1,150 @@ +/*************************************************************************** + copyright : (C) 2003 by Allan Sandfeld Jensen + email : kde@carewolf.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tstring.h> +#include <tdebug.h> + +#include "flacproperties.h" +#include "flacfile.h" + +using namespace TagLib; + +class FLAC::Properties::PropertiesPrivate +{ +public: + PropertiesPrivate(ByteVector d, long st, ReadStyle s) : + data(d), + streamLength(st), + style(s), + length(0), + bitrate(0), + sampleRate(0), + sampleWidth(0), + channels(0) {} + + ByteVector data; + long streamLength; + ReadStyle style; + int length; + int bitrate; + int sampleRate; + int sampleWidth; + int channels; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +FLAC::Properties::Properties(ByteVector data, long streamLength, ReadStyle style) : AudioProperties(style) +{ + d = new PropertiesPrivate(data, streamLength, style); + read(); +} + +FLAC::Properties::Properties(File *file, ReadStyle style) : AudioProperties(style) +{ + d = new PropertiesPrivate(file->streamInfoData(), file->streamLength(), style); + read(); +} + +FLAC::Properties::~Properties() +{ + delete d; +} + +int FLAC::Properties::length() const +{ + return d->length; +} + +int FLAC::Properties::bitrate() const +{ + return d->bitrate; +} + +int FLAC::Properties::sampleRate() const +{ + return d->sampleRate; +} + +int FLAC::Properties::sampleWidth() const +{ + return d->sampleWidth; +} + +int FLAC::Properties::channels() const +{ + return d->channels; +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +void FLAC::Properties::read() +{ + if(d->data.size() < 18) { + debug("FLAC::Properties::read() - FLAC properties must contain at least 18 bytes."); + return; + } + + int pos = 0; + + // Minimum block size (in samples) + pos += 2; + + // Maximum block size (in samples) + pos += 2; + + // Minimum frame size (in bytes) + pos += 3; + + // Maximum frame size (in bytes) + pos += 3; + + uint flags = d->data.mid(pos, 4).toUInt(true); + d->sampleRate = flags >> 12; + d->channels = ((flags >> 9) & 7) + 1; + d->sampleWidth = ((flags >> 4) & 31) + 1; + + // The last 4 bits are the most significant 4 bits for the 36 bit + // stream length in samples. (Audio files measured in days) + + uint highLength =d->sampleRate > 0 ? (((flags & 0xf) << 28) / d->sampleRate) << 4 : 0; + pos += 4; + + d->length = d->sampleRate > 0 ? + (d->data.mid(pos, 4).toUInt(true)) / d->sampleRate + highLength : 0; + pos += 4; + + // Uncompressed bitrate: + + //d->bitrate = ((d->sampleRate * d->channels) / 1000) * d->sampleWidth; + + // Real bitrate: + + d->bitrate = d->length > 0 ? ((d->streamLength * 8L) / d->length) / 1000 : 0; +} diff --git a/libs/taglib/taglib/flac/flacproperties.h b/libs/taglib/taglib/flac/flacproperties.h new file mode 100644 index 0000000000..9ac676643a --- /dev/null +++ b/libs/taglib/taglib/flac/flacproperties.h @@ -0,0 +1,92 @@ +/*************************************************************************** + copyright : (C) 2003 by Allan Sandfeld Jensen + email : kde@carewolf.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_FLACPROPERTIES_H +#define TAGLIB_FLACPROPERTIES_H + +#include "taglib_export.h" +#include "audioproperties.h" + +namespace TagLib { + + namespace FLAC { + + class File; + + //! An implementation of audio property reading for FLAC + + /*! + * This reads the data from an FLAC stream found in the AudioProperties + * API. + */ + + class TAGLIB_EXPORT Properties : public AudioProperties + { + public: + /*! + * Create an instance of FLAC::Properties with the data read from the + * ByteVector \a data. + */ + // BIC: switch to const reference + Properties(ByteVector data, long streamLength, ReadStyle style = Average); + + /*! + * Create an instance of FLAC::Properties with the data read from the + * FLAC::File \a file. + */ + // BIC: remove + Properties(File *file, ReadStyle style = Average); + + /*! + * Destroys this FLAC::Properties instance. + */ + virtual ~Properties(); + + // Reimplementations. + + virtual int length() const; + virtual int bitrate() const; + virtual int sampleRate() const; + virtual int channels() const; + + /*! + * Returns the sample width as read from the FLAC identification + * header. + */ + int sampleWidth() const; + + private: + Properties(const Properties &); + Properties &operator=(const Properties &); + + void read(); + + class PropertiesPrivate; + PropertiesPrivate *d; + }; + } +} + +#endif diff --git a/libs/taglib/taglib/mpc/CMakeLists.txt b/libs/taglib/taglib/mpc/CMakeLists.txt new file mode 100644 index 0000000000..238c9cb17c --- /dev/null +++ b/libs/taglib/taglib/mpc/CMakeLists.txt @@ -0,0 +1 @@ +INSTALL( FILES mpcfile.h mpcproperties.h DESTINATION ${INCLUDE_INSTALL_DIR}/taglib) diff --git a/libs/taglib/taglib/mpc/Makefile.am b/libs/taglib/taglib/mpc/Makefile.am new file mode 100644 index 0000000000..692475626a --- /dev/null +++ b/libs/taglib/taglib/mpc/Makefile.am @@ -0,0 +1,14 @@ +INCLUDES = \ + -I$(top_srcdir)/taglib \ + -I$(top_srcdir)/taglib/toolkit \ + -I$(top_srcdir)/taglib/ape \ + -I$(top_srcdir)/taglib/mpeg/id3v1 \ + -I$(top_srcdir)/taglib/mpeg/id3v2 \ + $(all_includes) + +noinst_LTLIBRARIES = libmpc.la + +libmpc_la_SOURCES = mpcfile.cpp mpcproperties.cpp + +taglib_include_HEADERS = mpcfile.h mpcproperties.h +taglib_includedir = $(includedir)/taglib diff --git a/libs/taglib/taglib/mpc/Makefile.in b/libs/taglib/taglib/mpc/Makefile.in new file mode 100644 index 0000000000..469765dc34 --- /dev/null +++ b/libs/taglib/taglib/mpc/Makefile.in @@ -0,0 +1,625 @@ +# Makefile.in generated by automake 1.10 from Makefile.am. +# KDE tags expanded automatically by am_edit - $Revision: 483858 $ +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +target_triplet = @target@ +subdir = taglib/mpc +DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \ + $(taglib_include_HEADERS) +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \ + $(top_srcdir)/configure.in +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +mkinstalldirs = $(SHELL) $(top_srcdir)/admin/mkinstalldirs +CONFIG_HEADER = $(top_builddir)/config.h +CONFIG_CLEAN_FILES = +LTLIBRARIES = $(noinst_LTLIBRARIES) +libmpc_la_LIBADD = +am_libmpc_la_OBJECTS = mpcfile.lo mpcproperties.lo +#>- libmpc_la_OBJECTS = $(am_libmpc_la_OBJECTS) +#>+ 4 +libmpc_la_final_OBJECTS = libmpc_la.all_cpp.lo +libmpc_la_nofinal_OBJECTS = mpcfile.lo mpcproperties.lo +@KDE_USE_FINAL_FALSE@libmpc_la_OBJECTS = $(libmpc_la_nofinal_OBJECTS) +@KDE_USE_FINAL_TRUE@libmpc_la_OBJECTS = $(libmpc_la_final_OBJECTS) +DEFAULT_INCLUDES = -I. -I$(top_builddir)@am__isrc@ +depcomp = $(SHELL) $(top_srcdir)/admin/depcomp +am__depfiles_maybe = depfiles +#>- CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ +#>- $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) +#>+ 2 +CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ + $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) $(KDE_CXXFLAGS) +#>- LTCXXCOMPILE = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ +#>- --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ +#>- $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) +#>+ 3 +LTCXXCOMPILE = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ + --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ + $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) $(KDE_CXXFLAGS) +CXXLD = $(CXX) +#>- CXXLINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ +#>- --mode=link $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) \ +#>- $(LDFLAGS) -o $@ +#>+ 3 +CXXLINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ + --mode=link $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(KDE_CXXFLAGS) $(AM_LDFLAGS) \ + $(LDFLAGS) -o $@ +SOURCES = $(libmpc_la_SOURCES) +DIST_SOURCES = $(libmpc_la_SOURCES) +am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; 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\ + rm -f libmpc_la.all_cpp.files libmpc_la.all_cpp.final; \ + echo "#define KDE_USE_FINAL 1" >> libmpc_la.all_cpp.final; \ + for file in mpcfile.cpp mpcproperties.cpp ; do \ + echo "#include \"$$file\"" >> libmpc_la.all_cpp.files; \ + test ! -f $(srcdir)/$$file || egrep '^#pragma +implementation' $(srcdir)/$$file >> libmpc_la.all_cpp.final; \ + done; \ + cat libmpc_la.all_cpp.final libmpc_la.all_cpp.files > libmpc_la.all_cpp.cpp; \ + rm -f libmpc_la.all_cpp.final libmpc_la.all_cpp.files + +#>+ 3 +clean-final: + -rm -f libmpc_la.all_cpp.cpp + +#>+ 3 +final: + $(MAKE) libmpc_la_OBJECTS="$(libmpc_la_final_OBJECTS)" all-am + +#>+ 3 +final-install: + $(MAKE) libmpc_la_OBJECTS="$(libmpc_la_final_OBJECTS)" install-am + +#>+ 3 +no-final: + $(MAKE) libmpc_la_OBJECTS="$(libmpc_la_nofinal_OBJECTS)" all-am + +#>+ 3 +no-final-install: + $(MAKE) libmpc_la_OBJECTS="$(libmpc_la_nofinal_OBJECTS)" install-am + +#>+ 3 +kde-rpo-clean: + -rm -f *.rpo + +#>+ 3 +nmcheck: +nmcheck-am: nmcheck diff --git a/libs/taglib/taglib/mpc/mpcfile.cpp b/libs/taglib/taglib/mpc/mpcfile.cpp new file mode 100644 index 0000000000..922bf83844 --- /dev/null +++ b/libs/taglib/taglib/mpc/mpcfile.cpp @@ -0,0 +1,325 @@ +/*************************************************************************** + copyright : (C) 2004 by Allan Sandfeld Jensen + email : kde@carewolf.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tbytevector.h> +#include <tstring.h> +#include <tagunion.h> +#include <tdebug.h> + +#include "mpcfile.h" +#include "id3v1tag.h" +#include "id3v2header.h" +#include "apetag.h" +#include "apefooter.h" + +using namespace TagLib; + +namespace +{ + enum { APEIndex, ID3v1Index }; +} + +class MPC::File::FilePrivate +{ +public: + FilePrivate() : + APELocation(-1), + APESize(0), + ID3v1Location(-1), + ID3v2Header(0), + ID3v2Location(-1), + ID3v2Size(0), + properties(0), + scanned(false), + hasAPE(false), + hasID3v1(false), + hasID3v2(false) {} + + ~FilePrivate() + { + delete ID3v2Header; + delete properties; + } + + long APELocation; + uint APESize; + + long ID3v1Location; + + ID3v2::Header *ID3v2Header; + long ID3v2Location; + uint ID3v2Size; + + TagUnion tag; + + Properties *properties; + bool scanned; + + // These indicate whether the file *on disk* has these tags, not if + // this data structure does. This is used in computing offsets. + + bool hasAPE; + bool hasID3v1; + bool hasID3v2; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +MPC::File::File(FileName file, bool readProperties, + Properties::ReadStyle propertiesStyle) : TagLib::File(file) +{ + d = new FilePrivate; + read(readProperties, propertiesStyle); +} + +MPC::File::~File() +{ + delete d; +} + +TagLib::Tag *MPC::File::tag() const +{ + return &d->tag; +} + +MPC::Properties *MPC::File::audioProperties() const +{ + return d->properties; +} + +bool MPC::File::save() +{ + if(readOnly()) { + debug("MPC::File::save() -- File is read only."); + return false; + } + + // Possibly strip ID3v2 tag + + if(d->hasID3v2 && !d->ID3v2Header) { + removeBlock(d->ID3v2Location, d->ID3v2Size); + d->hasID3v2 = false; + if(d->hasID3v1) + d->ID3v1Location -= d->ID3v2Size; + if(d->hasAPE) + d->APELocation -= d->ID3v2Size; + } + + // Update ID3v1 tag + + if(ID3v1Tag()) { + if(d->hasID3v1) { + seek(d->ID3v1Location); + writeBlock(ID3v1Tag()->render()); + } + else { + seek(0, End); + d->ID3v1Location = tell(); + writeBlock(ID3v1Tag()->render()); + d->hasID3v1 = true; + } + } else + if(d->hasID3v1) { + removeBlock(d->ID3v1Location, 128); + d->hasID3v1 = false; + if(d->hasAPE) { + if(d->APELocation > d->ID3v1Location) + d->APELocation -= 128; + } + } + + // Update APE tag + + if(APETag()) { + if(d->hasAPE) + insert(APETag()->render(), d->APELocation, d->APESize); + else { + if(d->hasID3v1) { + insert(APETag()->render(), d->ID3v1Location, 0); + d->APESize = APETag()->footer()->completeTagSize(); + d->hasAPE = true; + d->APELocation = d->ID3v1Location; + d->ID3v1Location += d->APESize; + } + else { + seek(0, End); + d->APELocation = tell(); + writeBlock(APETag()->render()); + d->APESize = APETag()->footer()->completeTagSize(); + d->hasAPE = true; + } + } + } + else + if(d->hasAPE) { + removeBlock(d->APELocation, d->APESize); + d->hasAPE = false; + if(d->hasID3v1) { + if(d->ID3v1Location > d->APELocation) + d->ID3v1Location -= d->APESize; + } + } + + return true; +} + +ID3v1::Tag *MPC::File::ID3v1Tag(bool create) +{ + return d->tag.access<ID3v1::Tag>(ID3v1Index, create); +} + +APE::Tag *MPC::File::APETag(bool create) +{ + return d->tag.access<APE::Tag>(APEIndex, create); +} + +void MPC::File::strip(int tags) +{ + if(tags & ID3v1) { + d->tag.set(ID3v1Index, 0); + APETag(true); + } + + if(tags & ID3v2) { + delete d->ID3v2Header; + d->ID3v2Header = 0; + } + + if(tags & APE) { + d->tag.set(APEIndex, 0); + + if(!ID3v1Tag()) + APETag(true); + } +} + +void MPC::File::remove(int tags) +{ + strip(tags); +} + + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +void MPC::File::read(bool readProperties, Properties::ReadStyle /* propertiesStyle */) +{ + // Look for an ID3v1 tag + + d->ID3v1Location = findID3v1(); + + if(d->ID3v1Location >= 0) { + d->tag.set(ID3v1Index, new ID3v1::Tag(this, d->ID3v1Location)); + d->hasID3v1 = true; + } + + // Look for an APE tag + + findAPE(); + + d->APELocation = findAPE(); + + if(d->APELocation >= 0) { + d->tag.set(APEIndex, new APE::Tag(this, d->APELocation)); + + d->APESize = APETag()->footer()->completeTagSize(); + d->APELocation = d->APELocation + APETag()->footer()->size() - d->APESize; + d->hasAPE = true; + } + + if(!d->hasID3v1) + APETag(true); + + // Look for and skip an ID3v2 tag + + d->ID3v2Location = findID3v2(); + + if(d->ID3v2Location >= 0) { + seek(d->ID3v2Location); + d->ID3v2Header = new ID3v2::Header(readBlock(ID3v2::Header::size())); + d->ID3v2Size = d->ID3v2Header->completeTagSize(); + d->hasID3v2 = true; + } + + if(d->hasID3v2) + seek(d->ID3v2Location + d->ID3v2Size); + else + seek(0); + + // Look for MPC metadata + + if(readProperties) { + d->properties = new Properties(readBlock(MPC::HeaderSize), + length() - d->ID3v2Size - d->APESize); + } +} + +long MPC::File::findAPE() +{ + if(!isValid()) + return -1; + + if(d->hasID3v1) + seek(-160, End); + else + seek(-32, End); + + long p = tell(); + + if(readBlock(8) == APE::Tag::fileIdentifier()) + return p; + + return -1; +} + +long MPC::File::findID3v1() +{ + if(!isValid()) + return -1; + + seek(-128, End); + long p = tell(); + + if(readBlock(3) == ID3v1::Tag::fileIdentifier()) + return p; + + return -1; +} + +long MPC::File::findID3v2() +{ + if(!isValid()) + return -1; + + seek(0); + + if(readBlock(3) == ID3v2::Header::fileIdentifier()) + return 0; + + return -1; +} diff --git a/libs/taglib/taglib/mpc/mpcfile.h b/libs/taglib/taglib/mpc/mpcfile.h new file mode 100644 index 0000000000..7e34c8635a --- /dev/null +++ b/libs/taglib/taglib/mpc/mpcfile.h @@ -0,0 +1,175 @@ +/*************************************************************************** + copyright : (C) 2004 by Allan Sandfeld Jensen + email : kde@carewolf.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_MPCFILE_H +#define TAGLIB_MPCFILE_H + +#include "taglib_export.h" +#include "tfile.h" + +#include "mpcproperties.h" + +namespace TagLib { + + class Tag; + + namespace ID3v1 { class Tag; } + namespace APE { class Tag; } + + //! An implementation of MPC metadata + + /*! + * This is implementation of MPC metadata. + * + * This supports ID3v1 and APE (v1 and v2) style comments as well as reading stream + * properties from the file. ID3v2 tags are invalid in MPC-files, but will be skipped + * and ignored. + */ + + namespace MPC { + + //! An implementation of TagLib::File with MPC specific methods + + /*! + * This implements and provides an interface for MPC files to the + * TagLib::Tag and TagLib::AudioProperties interfaces by way of implementing + * the abstract TagLib::File API as well as providing some additional + * information specific to MPC files. + * The only invalid tag combination supported is an ID3v1 tag after an APE tag. + */ + + class TAGLIB_EXPORT File : public TagLib::File + { + public: + /*! + * This set of flags is used for various operations and is suitable for + * being OR-ed together. + */ + enum TagTypes { + //! Empty set. Matches no tag types. + NoTags = 0x0000, + //! Matches ID3v1 tags. + ID3v1 = 0x0001, + //! Matches ID3v2 tags. + ID3v2 = 0x0002, + //! Matches APE tags. + APE = 0x0004, + //! Matches all tag types. + AllTags = 0xffff + }; + + /*! + * Contructs an MPC file from \a file. If \a readProperties is true the + * file's audio properties will also be read using \a propertiesStyle. If + * false, \a propertiesStyle is ignored. + */ + File(FileName file, bool readProperties = true, + Properties::ReadStyle propertiesStyle = Properties::Average); + + /*! + * Destroys this instance of the File. + */ + virtual ~File(); + + /*! + * Returns the Tag for this file. This will be an APE tag, an ID3v1 tag + * or a combination of the two. + */ + virtual TagLib::Tag *tag() const; + + /*! + * Returns the MPC::Properties for this file. If no audio properties + * were read then this will return a null pointer. + */ + virtual Properties *audioProperties() const; + + /*! + * Saves the file. + */ + virtual bool save(); + + /*! + * Returns a pointer to the ID3v1 tag of the file. + * + * If \a create is false (the default) this will return a null pointer + * if there is no valid ID3v1 tag. If \a create is true it will create + * an ID3v1 tag if one does not exist. If there is already an APE tag, the + * new ID3v1 tag will be placed after it. + * + * \note The Tag <b>is still</b> owned by the APE::File and should not be + * deleted by the user. It will be deleted when the file (object) is + * destroyed. + */ + ID3v1::Tag *ID3v1Tag(bool create = false); + + /*! + * Returns a pointer to the APE tag of the file. + * + * If \a create is false (the default) this will return a null pointer + * if there is no valid APE tag. If \a create is true it will create + * a APE tag if one does not exist. If there is already an ID3v1 tag, thes + * new APE tag will be placed before it. + * + * \note The Tag <b>is still</b> owned by the APE::File and should not be + * deleted by the user. It will be deleted when the file (object) is + * destroyed. + */ + APE::Tag *APETag(bool create = false); + + /*! + * This will remove the tags that match the OR-ed together TagTypes from the + * file. By default it removes all tags. + * + * \warning This will also invalidate pointers to the tags + * as their memory will be freed. + * + * \note In order to make the removal permanent save() still needs to be called. + */ + void strip(int tags = AllTags); + + /*! + * \deprecated + * \see strip + */ + void remove(int tags = AllTags); + + + private: + File(const File &); + File &operator=(const File &); + + void read(bool readProperties, Properties::ReadStyle propertiesStyle); + void scan(); + long findAPE(); + long findID3v1(); + long findID3v2(); + + class FilePrivate; + FilePrivate *d; + }; + } +} + +#endif diff --git a/libs/taglib/taglib/mpc/mpcproperties.cpp b/libs/taglib/taglib/mpc/mpcproperties.cpp new file mode 100644 index 0000000000..2114a86495 --- /dev/null +++ b/libs/taglib/taglib/mpc/mpcproperties.cpp @@ -0,0 +1,140 @@ +/*************************************************************************** + copyright : (C) 2004 by Allan Sandfeld Jensen + email : kde@carewolf.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tstring.h> +#include <tdebug.h> +#include <bitset> + +#include "mpcproperties.h" +#include "mpcfile.h" + +using namespace TagLib; + +class MPC::Properties::PropertiesPrivate +{ +public: + PropertiesPrivate(const ByteVector &d, long length, ReadStyle s) : + data(d), + streamLength(length), + style(s), + version(0), + length(0), + bitrate(0), + sampleRate(0), + channels(0) {} + + ByteVector data; + long streamLength; + ReadStyle style; + int version; + int length; + int bitrate; + int sampleRate; + int channels; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +MPC::Properties::Properties(const ByteVector &data, long streamLength, ReadStyle style) : AudioProperties(style) +{ + d = new PropertiesPrivate(data, streamLength, style); + read(); +} + +MPC::Properties::~Properties() +{ + delete d; +} + +int MPC::Properties::length() const +{ + return d->length; +} + +int MPC::Properties::bitrate() const +{ + return d->bitrate; +} + +int MPC::Properties::sampleRate() const +{ + return d->sampleRate; +} + +int MPC::Properties::channels() const +{ + return d->channels; +} + +int MPC::Properties::mpcVersion() const +{ + return d->version; +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +static const unsigned short sftable [4] = { 44100, 48000, 37800, 32000 }; + +void MPC::Properties::read() +{ + if(!d->data.startsWith("MP+")) + return; + + d->version = d->data[3] & 15; + + unsigned int frames; + + if(d->version >= 7) { + frames = d->data.mid(4, 4).toUInt(false); + + std::bitset<32> flags = d->data.mid(8, 4).toUInt(false); + d->sampleRate = sftable[flags[17] * 2 + flags[16]]; + d->channels = 2; + } + else { + uint headerData = d->data.mid(0, 4).toUInt(false); + + d->bitrate = (headerData >> 23) & 0x01ff; + d->version = (headerData >> 11) & 0x03ff; + d->sampleRate = 44100; + d->channels = 2; + + if(d->version >= 5) + frames = d->data.mid(4, 4).toUInt(false); + else + frames = d->data.mid(6, 2).toUInt(false); + } + + uint samples = frames * 1152 - 576; + + d->length = d->sampleRate > 0 ? (samples + (d->sampleRate / 2)) / d->sampleRate : 0; + + if(!d->bitrate) + d->bitrate = d->length > 0 ? ((d->streamLength * 8L) / d->length) / 1000 : 0; +} diff --git a/libs/taglib/taglib/mpc/mpcproperties.h b/libs/taglib/taglib/mpc/mpcproperties.h new file mode 100644 index 0000000000..bdbc887b8b --- /dev/null +++ b/libs/taglib/taglib/mpc/mpcproperties.h @@ -0,0 +1,85 @@ +/*************************************************************************** + copyright : (C) 2004 by Allan Sandfeld Jensen + email : kde@carewolf.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_MPCPROPERTIES_H +#define TAGLIB_MPCPROPERTIES_H + +#include "taglib_export.h" +#include "audioproperties.h" + +namespace TagLib { + + namespace MPC { + + class File; + + static const uint HeaderSize = 8*7; + + //! An implementation of audio property reading for MPC + + /*! + * This reads the data from an MPC stream found in the AudioProperties + * API. + */ + + class TAGLIB_EXPORT Properties : public AudioProperties + { + public: + /*! + * Create an instance of MPC::Properties with the data read from the + * ByteVector \a data. + */ + Properties(const ByteVector &data, long streamLength, ReadStyle style = Average); + + /*! + * Destroys this MPC::Properties instance. + */ + virtual ~Properties(); + + // Reimplementations. + + virtual int length() const; + virtual int bitrate() const; + virtual int sampleRate() const; + virtual int channels() const; + + /*! + * Returns the version of the bitstream (SV4-SV7) + */ + int mpcVersion() const; + + private: + Properties(const Properties &); + Properties &operator=(const Properties &); + + void read(); + + class PropertiesPrivate; + PropertiesPrivate *d; + }; + } +} + +#endif diff --git a/libs/taglib/taglib/mpeg/CMakeLists.txt b/libs/taglib/taglib/mpeg/CMakeLists.txt new file mode 100644 index 0000000000..9b0e308644 --- /dev/null +++ b/libs/taglib/taglib/mpeg/CMakeLists.txt @@ -0,0 +1,4 @@ +ADD_SUBDIRECTORY( id3v1 ) +ADD_SUBDIRECTORY( id3v2 ) + +INSTALL(FILES mpegfile.h mpegproperties.h mpegheader.h xingheader.h DESTINATION ${INCLUDE_INSTALL_DIR}/taglib ) diff --git a/libs/taglib/taglib/mpeg/Makefile.am b/libs/taglib/taglib/mpeg/Makefile.am new file mode 100644 index 0000000000..330aec39ba --- /dev/null +++ b/libs/taglib/taglib/mpeg/Makefile.am @@ -0,0 +1,17 @@ +SUBDIRS = id3v1 id3v2 +INCLUDES = \ + -I$(top_srcdir)/taglib \ + -I$(top_srcdir)/taglib/toolkit \ + -I$(top_srcdir)/taglib/ape \ + -I$(top_srcdir)/taglib/mpeg/id3v2 -I./id3v2 \ + -I$(top_srcdir)/taglib/mpeg/id3v1 -I./id3v1 \ + $(all_includes) + +noinst_LTLIBRARIES = libmpeg.la + +libmpeg_la_SOURCES = mpegfile.cpp mpegproperties.cpp mpegheader.cpp xingheader.cpp + +taglib_include_HEADERS = mpegfile.h mpegproperties.h mpegheader.h xingheader.h +taglib_includedir = $(includedir)/taglib + +libmpeg_la_LIBADD = ./id3v2/libid3v2.la ./id3v1/libid3v1.la diff --git a/libs/taglib/taglib/mpeg/Makefile.in b/libs/taglib/taglib/mpeg/Makefile.in new file mode 100644 index 0000000000..b6ba2bf3a4 --- /dev/null +++ b/libs/taglib/taglib/mpeg/Makefile.in @@ -0,0 +1,753 @@ +# Makefile.in generated by automake 1.10 from Makefile.am. +# KDE tags expanded automatically by am_edit - $Revision: 483858 $ +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +# This Makefile.in is free software; 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\ + done + + +#>+ 11 +libid3v1_la.all_cpp.cpp: $(srcdir)/Makefile.in $(srcdir)/id3v1tag.cpp $(srcdir)/id3v1genres.cpp + @echo 'creating libid3v1_la.all_cpp.cpp ...'; \ + rm -f libid3v1_la.all_cpp.files libid3v1_la.all_cpp.final; \ + echo "#define KDE_USE_FINAL 1" >> libid3v1_la.all_cpp.final; \ + for file in id3v1tag.cpp id3v1genres.cpp ; do \ + echo "#include \"$$file\"" >> libid3v1_la.all_cpp.files; \ + test ! -f $(srcdir)/$$file || egrep '^#pragma +implementation' $(srcdir)/$$file >> libid3v1_la.all_cpp.final; \ + done; \ + cat libid3v1_la.all_cpp.final libid3v1_la.all_cpp.files > libid3v1_la.all_cpp.cpp; \ + rm -f libid3v1_la.all_cpp.final libid3v1_la.all_cpp.files + +#>+ 3 +clean-final: + -rm -f libid3v1_la.all_cpp.cpp + +#>+ 3 +final: + $(MAKE) libid3v1_la_OBJECTS="$(libid3v1_la_final_OBJECTS)" all-am + +#>+ 3 +final-install: + $(MAKE) libid3v1_la_OBJECTS="$(libid3v1_la_final_OBJECTS)" install-am + +#>+ 3 +no-final: + $(MAKE) libid3v1_la_OBJECTS="$(libid3v1_la_nofinal_OBJECTS)" all-am + +#>+ 3 +no-final-install: + $(MAKE) libid3v1_la_OBJECTS="$(libid3v1_la_nofinal_OBJECTS)" install-am + +#>+ 3 +kde-rpo-clean: + -rm -f *.rpo + +#>+ 3 +nmcheck: +nmcheck-am: nmcheck diff --git a/libs/taglib/taglib/mpeg/id3v1/id3v1genres.cpp b/libs/taglib/taglib/mpeg/id3v1/id3v1genres.cpp new file mode 100644 index 0000000000..7cd42f381c --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v1/id3v1genres.cpp @@ -0,0 +1,219 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org +***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include "id3v1genres.h" + +using namespace TagLib; + +namespace TagLib { + namespace ID3v1 { + + static const int genresSize = 148; + static const String genres[] = { + "Blues", + "Classic Rock", + "Country", + "Dance", + "Disco", + "Funk", + "Grunge", + "Hip-Hop", + "Jazz", + "Metal", + "New Age", + "Oldies", + "Other", + "Pop", + "R&B", + "Rap", + "Reggae", + "Rock", + "Techno", + "Industrial", + "Alternative", + "Ska", + "Death Metal", + "Pranks", + "Soundtrack", + "Euro-Techno", + "Ambient", + "Trip-Hop", + "Vocal", + "Jazz+Funk", + "Fusion", + "Trance", + "Classical", + "Instrumental", + "Acid", + "House", + "Game", + "Sound Clip", + "Gospel", + "Noise", + "Alternative Rock", + "Bass", + "Soul", + "Punk", + "Space", + "Meditative", + "Instrumental Pop", + "Instrumental Rock", + "Ethnic", + "Gothic", + "Darkwave", + "Techno-Industrial", + "Electronic", + "Pop-Folk", + "Eurodance", + "Dream", + "Southern Rock", + "Comedy", + "Cult", + "Gangsta", + "Top 40", + "Christian Rap", + "Pop/Funk", + "Jungle", + "Native American", + "Cabaret", + "New Wave", + "Psychedelic", + "Rave", + "Showtunes", + "Trailer", + "Lo-Fi", + "Tribal", + "Acid Punk", + "Acid Jazz", + "Polka", + "Retro", + "Musical", + "Rock & Roll", + "Hard Rock", + "Folk", + "Folk/Rock", + "National Folk", + "Swing", + "Fusion", + "Bebob", + "Latin", + "Revival", + "Celtic", + "Bluegrass", + "Avantgarde", + "Gothic Rock", + "Progressive Rock", + "Psychedelic Rock", + "Symphonic Rock", + "Slow Rock", + "Big Band", + "Chorus", + "Easy Listening", + "Acoustic", + "Humour", + "Speech", + "Chanson", + "Opera", + "Chamber Music", + "Sonata", + "Symphony", + "Booty Bass", + "Primus", + "Porn Groove", + "Satire", + "Slow Jam", + "Club", + "Tango", + "Samba", + "Folklore", + "Ballad", + "Power Ballad", + "Rhythmic Soul", + "Freestyle", + "Duet", + "Punk Rock", + "Drum Solo", + "A Cappella", + "Euro-House", + "Dance Hall", + "Goa", + "Drum & Bass", + "Club-House", + "Hardcore", + "Terror", + "Indie", + "BritPop", + "Negerpunk", + "Polsk Punk", + "Beat", + "Christian Gangsta Rap", + "Heavy Metal", + "Black Metal", + "Crossover", + "Contemporary Christian", + "Christian Rock", + "Merengue", + "Salsa", + "Thrash Metal", + "Anime", + "Jpop", + "Synthpop" + }; + } +} + +StringList ID3v1::genreList() +{ + static StringList l; + if(l.isEmpty()) { + for(int i = 0; i < genresSize; i++) + l.append(genres[i]); + } + return l; +} + +ID3v1::GenreMap ID3v1::genreMap() +{ + static GenreMap m; + if(m.isEmpty()) { + for(int i = 0; i < genresSize; i++) + m.insert(genres[i], i); + } + return m; +} + +String ID3v1::genre(int i) +{ + if(i >= 0 && i < genresSize) + return genres[i]; + return String::null; +} + +int ID3v1::genreIndex(const String &name) +{ + if(genreMap().contains(name)) + return genreMap()[name]; + return 255; +} diff --git a/libs/taglib/taglib/mpeg/id3v1/id3v1genres.h b/libs/taglib/taglib/mpeg/id3v1/id3v1genres.h new file mode 100644 index 0000000000..6e5d82e768 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v1/id3v1genres.h @@ -0,0 +1,66 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_ID3V1GENRE_H +#define TAGLIB_ID3V1GENRE_H + +#include "tmap.h" +#include "tstringlist.h" +#include "taglib_export.h" + +namespace TagLib { + namespace ID3v1 { + + typedef Map<String, int> GenreMap; + + /*! + * Returns the list of canonical ID3v1 genre names in the order that they + * are listed in the standard. + */ + StringList TAGLIB_EXPORT genreList(); + + /*! + * A "reverse mapping" that goes from the canonical ID3v1 genre name to the + * respective genre number. genreMap()["Rock"] == + */ + GenreMap genreMap(); + + /*! + * Returns the name of the genre at \a index in the ID3v1 genre list. If + * \a index is out of range -- less than zero or greater than 146 -- a null + * string will be returned. + */ + String genre(int index); + + /*! + * Returns the genre index for the (case sensitive) genre \a name. If the + * genre is not in the list 255 (which signifies an unknown genre in ID3v1) + * will be returned. + */ + int genreIndex(const String &name); + } +} + +#endif diff --git a/libs/taglib/taglib/mpeg/id3v1/id3v1tag.cpp b/libs/taglib/taglib/mpeg/id3v1/id3v1tag.cpp new file mode 100644 index 0000000000..490f8ddaf4 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v1/id3v1tag.cpp @@ -0,0 +1,248 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tdebug.h> +#include <tfile.h> + +#include "id3v1tag.h" +#include "id3v1genres.h" + +using namespace TagLib; +using namespace ID3v1; + +class ID3v1::Tag::TagPrivate +{ +public: + TagPrivate() : file(0), tagOffset(-1), track(0), genre(255) {} + + File *file; + long tagOffset; + + String title; + String artist; + String album; + String year; + String comment; + uchar track; + uchar genre; + + static const StringHandler *stringHandler; +}; + +const ID3v1::StringHandler *ID3v1::Tag::TagPrivate::stringHandler = new StringHandler; + +//////////////////////////////////////////////////////////////////////////////// +// StringHandler implementation +//////////////////////////////////////////////////////////////////////////////// + +String ID3v1::StringHandler::parse(const ByteVector &data) const +{ + return String(data, String::Latin1).stripWhiteSpace(); +} + +ByteVector ID3v1::StringHandler::render(const String &s) const +{ + if(!s.isLatin1()) + { + return ByteVector(); + } + + return s.data(String::Latin1); +} + +//////////////////////////////////////////////////////////////////////////////// +// public methods +//////////////////////////////////////////////////////////////////////////////// + +ID3v1::Tag::Tag() : TagLib::Tag() +{ + d = new TagPrivate; +} + +ID3v1::Tag::Tag(File *file, long tagOffset) : TagLib::Tag() +{ + d = new TagPrivate; + d->file = file; + d->tagOffset = tagOffset; + + read(); +} + +ID3v1::Tag::~Tag() +{ + delete d; +} + +ByteVector ID3v1::Tag::render() const +{ + ByteVector data; + + data.append(fileIdentifier()); + data.append(TagPrivate::stringHandler->render(d->title).resize(30)); + data.append(TagPrivate::stringHandler->render(d->artist).resize(30)); + data.append(TagPrivate::stringHandler->render(d->album).resize(30)); + data.append(TagPrivate::stringHandler->render(d->year).resize(4)); + data.append(TagPrivate::stringHandler->render(d->comment).resize(28)); + data.append(char(0)); + data.append(char(d->track)); + data.append(char(d->genre)); + + return data; +} + +ByteVector ID3v1::Tag::fileIdentifier() +{ + return ByteVector::fromCString("TAG"); +} + +String ID3v1::Tag::title() const +{ + return d->title; +} + +String ID3v1::Tag::artist() const +{ + return d->artist; +} + +String ID3v1::Tag::album() const +{ + return d->album; +} + +String ID3v1::Tag::comment() const +{ + return d->comment; +} + +String ID3v1::Tag::genre() const +{ + return ID3v1::genre(d->genre); +} + +TagLib::uint ID3v1::Tag::year() const +{ + return d->year.toInt(); +} + +TagLib::uint ID3v1::Tag::track() const +{ + return d->track; +} + +void ID3v1::Tag::setTitle(const String &s) +{ + d->title = s; +} + +void ID3v1::Tag::setArtist(const String &s) +{ + d->artist = s; +} + +void ID3v1::Tag::setAlbum(const String &s) +{ + d->album = s; +} + +void ID3v1::Tag::setComment(const String &s) +{ + d->comment = s; +} + +void ID3v1::Tag::setGenre(const String &s) +{ + d->genre = ID3v1::genreIndex(s); +} + +void ID3v1::Tag::setYear(uint i) +{ + d->year = i > 0 ? String::number(i) : String::null; +} + +void ID3v1::Tag::setTrack(uint i) +{ + d->track = i < 256 ? i : 0; +} + +void ID3v1::Tag::setStringHandler(const StringHandler *handler) +{ + delete TagPrivate::stringHandler; + TagPrivate::stringHandler = handler; +} + +//////////////////////////////////////////////////////////////////////////////// +// protected methods +//////////////////////////////////////////////////////////////////////////////// + +void ID3v1::Tag::read() +{ + if(d->file && d->file->isValid()) { + d->file->seek(d->tagOffset); + // read the tag -- always 128 bytes + ByteVector data = d->file->readBlock(128); + + // some initial sanity checking + if(data.size() == 128 && data.startsWith("TAG")) + parse(data); + else + debug("ID3v1 tag is not valid or could not be read at the specified offset."); + } +} + +void ID3v1::Tag::parse(const ByteVector &data) +{ + int offset = 3; + + d->title = TagPrivate::stringHandler->parse(data.mid(offset, 30)); + offset += 30; + + d->artist = TagPrivate::stringHandler->parse(data.mid(offset, 30)); + offset += 30; + + d->album = TagPrivate::stringHandler->parse(data.mid(offset, 30)); + offset += 30; + + d->year = TagPrivate::stringHandler->parse(data.mid(offset, 4)); + offset += 4; + + // Check for ID3v1.1 -- Note that ID3v1 *does not* support "track zero" -- this + // is not a bug in TagLib. Since a zeroed byte is what we would expect to + // indicate the end of a C-String, specifically the comment string, a value of + // zero must be assumed to be just that. + + if(data[offset + 28] == 0 && data[offset + 29] != 0) { + // ID3v1.1 detected + + d->comment = TagPrivate::stringHandler->parse(data.mid(offset, 28)); + d->track = uchar(data[offset + 29]); + } + else + d->comment = data.mid(offset, 30); + + offset += 30; + + d->genre = uchar(data[offset]); +} diff --git a/libs/taglib/taglib/mpeg/id3v1/id3v1tag.h b/libs/taglib/taglib/mpeg/id3v1/id3v1tag.h new file mode 100644 index 0000000000..8dc60c3d23 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v1/id3v1tag.h @@ -0,0 +1,180 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_ID3V1TAG_H +#define TAGLIB_ID3V1TAG_H + +#include "tag.h" +#include "tbytevector.h" +#include "taglib_export.h" + +namespace TagLib { + + class File; + + //! An ID3v1 implementation + + namespace ID3v1 { + + //! A abstraction for the string to data encoding in ID3v1 tags. + + /*! + * ID3v1 should in theory always contain ISO-8859-1 (Latin1) data. In + * practice it does not. TagLib by default only supports ISO-8859-1 data + * in ID3v1 tags. + * + * However by subclassing this class and reimplementing parse() and render() + * and setting your reimplementation as the default with + * ID3v1::Tag::setStringHandler() you can define how you would like these + * transformations to be done. + * + * \warning It is advisable <b>not</b> to write non-ISO-8859-1 data to ID3v1 + * tags. Please consider disabling the writing of ID3v1 tags in the case + * that the data is ISO-8859-1. + * + * \see ID3v1::Tag::setStringHandler() + */ + + class TAGLIB_EXPORT StringHandler + { + public: + // BIC: Add virtual destructor. + + /*! + * Decode a string from \a data. The default implementation assumes that + * \a data is an ISO-8859-1 (Latin1) character array. + */ + virtual String parse(const ByteVector &data) const; + + /*! + * Encode a ByteVector with the data from \a s. The default implementation + * assumes that \a s is an ISO-8859-1 (Latin1) string. If the string is + * does not conform to ISO-8859-1, no value is written. + * + * \warning It is recommended that you <b>not</b> override this method, but + * instead do not write an ID3v1 tag in the case that the data is not + * ISO-8859-1. + */ + virtual ByteVector render(const String &s) const; + }; + + //! The main class in the ID3v1 implementation + + /*! + * This is an implementation of the ID3v1 format. ID3v1 is both the simplist + * and most common of tag formats but is rather limited. Because of its + * pervasiveness and the way that applications have been written around the + * fields that it provides, the generic TagLib::Tag API is a mirror of what is + * provided by ID3v1. + * + * ID3v1 tags should generally only contain Latin1 information. However because + * many applications do not follow this rule there is now support for overriding + * the ID3v1 string handling using the ID3v1::StringHandler class. Please see + * the documentation for that class for more information. + * + * \see StringHandler + * + * \note Most fields are truncated to a maximum of 28-30 bytes. The + * truncation happens automatically when the tag is rendered. + */ + + class TAGLIB_EXPORT Tag : public TagLib::Tag + { + public: + /*! + * Create an ID3v1 tag with default values. + */ + Tag(); + + /*! + * Create an ID3v1 tag and parse the data in \a file starting at + * \a tagOffset. + */ + Tag(File *file, long tagOffset); + + /*! + * Destroys this Tag instance. + */ + virtual ~Tag(); + + /*! + * Renders the in memory values to a ByteVector suitable for writing to + * the file. + */ + ByteVector render() const; + + /*! + * Returns the string "TAG" suitable for usage in locating the tag in a + * file. + */ + static ByteVector fileIdentifier(); + + // Reimplementations. + + virtual String title() const; + virtual String artist() const; + virtual String album() const; + virtual String comment() const; + virtual String genre() const; + virtual uint year() const; + virtual uint track() const; + + virtual void setTitle(const String &s); + virtual void setArtist(const String &s); + virtual void setAlbum(const String &s); + virtual void setComment(const String &s); + virtual void setGenre(const String &s); + virtual void setYear(uint i); + virtual void setTrack(uint i); + + /*! + * Sets the string handler that decides how the ID3v1 data will be + * converted to and from binary data. + * + * \see StringHandler + */ + static void setStringHandler(const StringHandler *handler); + + protected: + /*! + * Reads from the file specified in the constructor. + */ + void read(); + /*! + * Pareses the body of the tag in \a data. + */ + void parse(const ByteVector &data); + + private: + Tag(const Tag &); + Tag &operator=(const Tag &); + + class TagPrivate; + TagPrivate *d; + }; + } +} + +#endif diff --git a/libs/taglib/taglib/mpeg/id3v2/CMakeLists.txt b/libs/taglib/taglib/mpeg/id3v2/CMakeLists.txt new file mode 100644 index 0000000000..f6e1ef1309 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/CMakeLists.txt @@ -0,0 +1,4 @@ +ADD_SUBDIRECTORY( frames ) + +INSTALL(FILES id3v2extendedheader.h id3v2frame.h id3v2header.h id3v2synchdata.h id3v2footer.h id3v2framefactory.h id3v2tag.h DESTINATION ${INCLUDE_INSTALL_DIR}/taglib) + diff --git a/libs/taglib/taglib/mpeg/id3v2/Makefile.am b/libs/taglib/taglib/mpeg/id3v2/Makefile.am new file mode 100644 index 0000000000..1a45ae5059 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/Makefile.am @@ -0,0 +1,26 @@ +SUBDIRS = frames +INCLUDES = \ + -I$(top_srcdir)/taglib \ + -I$(top_srcdir)/taglib/toolkit \ + -I$(top_srcdir)/taglib/mpeg \ + -I$(top_srcdir)/taglib/mpeg/id3v1 \ + $(all_includes) + +noinst_LTLIBRARIES = libid3v2.la + +libid3v2_la_SOURCES = \ + id3v2framefactory.cpp id3v2synchdata.cpp id3v2tag.cpp \ + id3v2header.cpp id3v2frame.cpp id3v2footer.cpp \ + id3v2extendedheader.cpp + +taglib_include_HEADERS = \ + id3v2extendedheader.h id3v2frame.h id3v2header.h \ + id3v2synchdata.h id3v2footer.h id3v2framefactory.h id3v2tag.h + +taglib_includedir = $(includedir)/taglib + +if link_zlib +zlib = -lz +endif + +libid3v2_la_LIBADD = ./frames/libframes.la $(zlib) diff --git a/libs/taglib/taglib/mpeg/id3v2/Makefile.in b/libs/taglib/taglib/mpeg/id3v2/Makefile.in new file mode 100644 index 0000000000..df65ec4546 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/Makefile.in @@ -0,0 +1,766 @@ +# Makefile.in generated by automake 1.10 from Makefile.am. +# KDE tags expanded automatically by am_edit - $Revision: 483858 $ +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +# This Makefile.in is free software; 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\ + fi ; \ + done + + +#>+ 11 +libid3v2_la.all_cpp.cpp: $(srcdir)/Makefile.in $(srcdir)/id3v2framefactory.cpp $(srcdir)/id3v2synchdata.cpp $(srcdir)/id3v2tag.cpp $(srcdir)/id3v2header.cpp $(srcdir)/id3v2frame.cpp $(srcdir)/id3v2footer.cpp $(srcdir)/id3v2extendedheader.cpp + @echo 'creating libid3v2_la.all_cpp.cpp ...'; \ + rm -f libid3v2_la.all_cpp.files libid3v2_la.all_cpp.final; \ + echo "#define KDE_USE_FINAL 1" >> libid3v2_la.all_cpp.final; \ + for file in id3v2framefactory.cpp id3v2synchdata.cpp id3v2tag.cpp id3v2header.cpp id3v2frame.cpp id3v2footer.cpp id3v2extendedheader.cpp ; do \ + echo "#include \"$$file\"" >> libid3v2_la.all_cpp.files; \ + test ! -f $(srcdir)/$$file || egrep '^#pragma +implementation' $(srcdir)/$$file >> libid3v2_la.all_cpp.final; \ + done; \ + cat libid3v2_la.all_cpp.final libid3v2_la.all_cpp.files > libid3v2_la.all_cpp.cpp; \ + rm -f libid3v2_la.all_cpp.final libid3v2_la.all_cpp.files + +#>+ 3 +clean-final: + -rm -f libid3v2_la.all_cpp.cpp + +#>+ 3 +final: + $(MAKE) libid3v2_la_OBJECTS="$(libid3v2_la_final_OBJECTS)" all-am + +#>+ 3 +final-install: + $(MAKE) libid3v2_la_OBJECTS="$(libid3v2_la_final_OBJECTS)" install-am + +#>+ 3 +no-final: + $(MAKE) libid3v2_la_OBJECTS="$(libid3v2_la_nofinal_OBJECTS)" all-am + +#>+ 3 +no-final-install: + $(MAKE) libid3v2_la_OBJECTS="$(libid3v2_la_nofinal_OBJECTS)" install-am + +#>+ 3 +kde-rpo-clean: + -rm -f *.rpo + +#>+ 3 +nmcheck: +nmcheck-am: nmcheck diff --git a/libs/taglib/taglib/mpeg/id3v2/frames/CMakeLists.txt b/libs/taglib/taglib/mpeg/id3v2/frames/CMakeLists.txt new file mode 100644 index 0000000000..1fb1e20868 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/frames/CMakeLists.txt @@ -0,0 +1,11 @@ +INSTALL(FILES + attachedpictureframe.h + commentsframe.h + generalencapsulatedobjectframe.h + relativevolumeframe.h + textidentificationframe.h + uniquefileidentifierframe.h + unknownframe.h + unsynchronizedlyricsframe.h + urllinkframe.h + DESTINATION ${INCLUDE_INSTALL_DIR}/taglib) diff --git a/libs/taglib/taglib/mpeg/id3v2/frames/Makefile.am b/libs/taglib/taglib/mpeg/id3v2/frames/Makefile.am new file mode 100644 index 0000000000..517cd75386 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/frames/Makefile.am @@ -0,0 +1,31 @@ +INCLUDES = \ + -I$(top_srcdir)/taglib \ + -I$(top_srcdir)/taglib/toolkit \ + -I$(top_srcdir)/taglib/mpeg/id3v2 \ + $(all_includes) + +noinst_LTLIBRARIES = libframes.la + +libframes_la_SOURCES = \ + attachedpictureframe.cpp \ + commentsframe.cpp \ + generalencapsulatedobjectframe.cpp \ + relativevolumeframe.cpp \ + textidentificationframe.cpp \ + uniquefileidentifierframe.cpp \ + unknownframe.cpp \ + unsynchronizedlyricsframe.cpp \ + urllinkframe.cpp + +taglib_include_HEADERS = \ + attachedpictureframe.h \ + commentsframe.h \ + generalencapsulatedobjectframe.h \ + relativevolumeframe.h \ + textidentificationframe.h \ + uniquefileidentifierframe.h \ + unknownframe.h \ + unsynchronizedlyricsframe.h \ + urllinkframe.h + +taglib_includedir = $(includedir)/taglib diff --git a/libs/taglib/taglib/mpeg/id3v2/frames/Makefile.in b/libs/taglib/taglib/mpeg/id3v2/frames/Makefile.in new file mode 100644 index 0000000000..9268ff5e8d --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/frames/Makefile.in @@ -0,0 +1,656 @@ +# Makefile.in generated by automake 1.10 from Makefile.am. +# KDE tags expanded automatically by am_edit - $Revision: 483858 $ +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +target_triplet = @target@ +subdir = taglib/mpeg/id3v2/frames +DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \ + $(taglib_include_HEADERS) +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \ + $(top_srcdir)/configure.in +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +mkinstalldirs = $(SHELL) $(top_srcdir)/admin/mkinstalldirs +CONFIG_HEADER = $(top_builddir)/config.h +CONFIG_CLEAN_FILES = +LTLIBRARIES = $(noinst_LTLIBRARIES) +libframes_la_LIBADD = +am_libframes_la_OBJECTS = attachedpictureframe.lo commentsframe.lo \ + generalencapsulatedobjectframe.lo relativevolumeframe.lo \ + textidentificationframe.lo uniquefileidentifierframe.lo \ + unknownframe.lo unsynchronizedlyricsframe.lo urllinkframe.lo +#>- libframes_la_OBJECTS = $(am_libframes_la_OBJECTS) +#>+ 7 +libframes_la_final_OBJECTS = libframes_la.all_cpp.lo +libframes_la_nofinal_OBJECTS = attachedpictureframe.lo commentsframe.lo \ + generalencapsulatedobjectframe.lo relativevolumeframe.lo \ + textidentificationframe.lo uniquefileidentifierframe.lo \ + unknownframe.lo unsynchronizedlyricsframe.lo urllinkframe.lo +@KDE_USE_FINAL_FALSE@libframes_la_OBJECTS = $(libframes_la_nofinal_OBJECTS) +@KDE_USE_FINAL_TRUE@libframes_la_OBJECTS = $(libframes_la_final_OBJECTS) +DEFAULT_INCLUDES = -I. -I$(top_builddir)@am__isrc@ +depcomp = $(SHELL) $(top_srcdir)/admin/depcomp +am__depfiles_maybe = depfiles +#>- CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ +#>- $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) +#>+ 2 +CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ + $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) $(KDE_CXXFLAGS) +#>- LTCXXCOMPILE = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ +#>- --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ +#>- $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) +#>+ 3 +LTCXXCOMPILE = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ + --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ + $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) $(KDE_CXXFLAGS) +CXXLD = $(CXX) +#>- CXXLINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ +#>- --mode=link $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) \ +#>- $(LDFLAGS) -o $@ +#>+ 3 +CXXLINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ + --mode=link $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(KDE_CXXFLAGS) $(AM_LDFLAGS) \ + $(LDFLAGS) -o $@ +SOURCES = $(libframes_la_SOURCES) +DIST_SOURCES = $(libframes_la_SOURCES) +am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; 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\ + done; \ + cat libframes_la.all_cpp.final libframes_la.all_cpp.files > libframes_la.all_cpp.cpp; \ + rm -f libframes_la.all_cpp.final libframes_la.all_cpp.files + +#>+ 3 +clean-final: + -rm -f libframes_la.all_cpp.cpp + +#>+ 3 +final: + $(MAKE) libframes_la_OBJECTS="$(libframes_la_final_OBJECTS)" all-am + +#>+ 3 +final-install: + $(MAKE) libframes_la_OBJECTS="$(libframes_la_final_OBJECTS)" install-am + +#>+ 3 +no-final: + $(MAKE) libframes_la_OBJECTS="$(libframes_la_nofinal_OBJECTS)" all-am + +#>+ 3 +no-final-install: + $(MAKE) libframes_la_OBJECTS="$(libframes_la_nofinal_OBJECTS)" install-am + +#>+ 3 +kde-rpo-clean: + -rm -f *.rpo + +#>+ 3 +nmcheck: +nmcheck-am: nmcheck diff --git a/libs/taglib/taglib/mpeg/id3v2/frames/attachedpictureframe.cpp b/libs/taglib/taglib/mpeg/id3v2/frames/attachedpictureframe.cpp new file mode 100644 index 0000000000..8a88253f5c --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/frames/attachedpictureframe.cpp @@ -0,0 +1,170 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include "attachedpictureframe.h" + +#include <tstringlist.h> +#include <tdebug.h> + +using namespace TagLib; +using namespace ID3v2; + +class AttachedPictureFrame::AttachedPictureFramePrivate +{ +public: + AttachedPictureFramePrivate() : textEncoding(String::Latin1), + type(AttachedPictureFrame::Other) {} + + String::Type textEncoding; + String mimeType; + AttachedPictureFrame::Type type; + String description; + ByteVector data; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +AttachedPictureFrame::AttachedPictureFrame() : Frame("APIC") +{ + d = new AttachedPictureFramePrivate; +} + +AttachedPictureFrame::AttachedPictureFrame(const ByteVector &data) : Frame(data) +{ + d = new AttachedPictureFramePrivate; + setData(data); +} + +AttachedPictureFrame::~AttachedPictureFrame() +{ + delete d; +} + +String AttachedPictureFrame::toString() const +{ + String s = "[" + d->mimeType + "]"; + return d->description.isEmpty() ? s : d->description + " " + s; +} + +String::Type AttachedPictureFrame::textEncoding() const +{ + return d->textEncoding; +} + +void AttachedPictureFrame::setTextEncoding(String::Type t) +{ + d->textEncoding = t; +} + +String AttachedPictureFrame::mimeType() const +{ + return d->mimeType; +} + +void AttachedPictureFrame::setMimeType(const String &m) +{ + d->mimeType = m; +} + +AttachedPictureFrame::Type AttachedPictureFrame::type() const +{ + return d->type; +} + +void AttachedPictureFrame::setType(Type t) +{ + d->type = t; +} + +String AttachedPictureFrame::description() const +{ + return d->description; +} + +void AttachedPictureFrame::setDescription(const String &desc) +{ + d->description = desc; +} + +ByteVector AttachedPictureFrame::picture() const +{ + return d->data; +} + +void AttachedPictureFrame::setPicture(const ByteVector &p) +{ + d->data = p; +} + +//////////////////////////////////////////////////////////////////////////////// +// protected members +//////////////////////////////////////////////////////////////////////////////// + +void AttachedPictureFrame::parseFields(const ByteVector &data) +{ + if(data.size() < 5) { + debug("A picture frame must contain at least 5 bytes."); + return; + } + + d->textEncoding = String::Type(data[0]); + + int pos = 1; + + d->mimeType = readStringField(data, String::Latin1, &pos); + d->type = (TagLib::ID3v2::AttachedPictureFrame::Type)data[pos++]; + d->description = readStringField(data, d->textEncoding, &pos); + + d->data = data.mid(pos); +} + +ByteVector AttachedPictureFrame::renderFields() const +{ + ByteVector data; + + String::Type encoding = checkEncoding(d->description, d->textEncoding); + + data.append(char(encoding)); + data.append(d->mimeType.data(String::Latin1)); + data.append(textDelimiter(String::Latin1)); + data.append(char(d->type)); + data.append(d->description.data(encoding)); + data.append(textDelimiter(encoding)); + data.append(d->data); + + return data; +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +AttachedPictureFrame::AttachedPictureFrame(const ByteVector &data, Header *h) : Frame(h) +{ + d = new AttachedPictureFramePrivate; + parseFields(fieldData(data)); +} diff --git a/libs/taglib/taglib/mpeg/id3v2/frames/attachedpictureframe.h b/libs/taglib/taglib/mpeg/id3v2/frames/attachedpictureframe.h new file mode 100644 index 0000000000..bd95ed22d2 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/frames/attachedpictureframe.h @@ -0,0 +1,220 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_ATTACHEDPICTUREFRAME_H +#define TAGLIB_ATTACHEDPICTUREFRAME_H + +#include <id3v2frame.h> +#include <id3v2header.h> +#include "taglib_export.h" + +namespace TagLib { + + namespace ID3v2 { + + //! An ID3v2 attached picture frame implementation + + /*! + * This is an implementation of ID3v2 attached pictures. Pictures may be + * included in tags, one per APIC frame (but there may be multiple APIC + * frames in a single tag). These pictures are usually in either JPEG or + * PNG format. + */ + + class TAGLIB_EXPORT AttachedPictureFrame : public Frame + { + friend class FrameFactory; + + public: + + /*! + * This describes the function or content of the picture. + */ + enum Type { + //! A type not enumerated below + Other = 0x00, + //! 32x32 PNG image that should be used as the file icon + FileIcon = 0x01, + //! File icon of a different size or format + OtherFileIcon = 0x02, + //! Front cover image of the album + FrontCover = 0x03, + //! Back cover image of the album + BackCover = 0x04, + //! Inside leaflet page of the album + LeafletPage = 0x05, + //! Image from the album itself + Media = 0x06, + //! Picture of the lead artist or soloist + LeadArtist = 0x07, + //! Picture of the artist or performer + Artist = 0x08, + //! Picture of the conductor + Conductor = 0x09, + //! Picture of the band or orchestra + Band = 0x0A, + //! Picture of the composer + Composer = 0x0B, + //! Picture of the lyricist or text writer + Lyricist = 0x0C, + //! Picture of the recording location or studio + RecordingLocation = 0x0D, + //! Picture of the artists during recording + DuringRecording = 0x0E, + //! Picture of the artists during performance + DuringPerformance = 0x0F, + //! Picture from a movie or video related to the track + MovieScreenCapture = 0x10, + //! Picture of a large, coloured fish + ColouredFish = 0x11, + //! Illustration related to the track + Illustration = 0x12, + //! Logo of the band or performer + BandLogo = 0x13, + //! Logo of the publisher (record company) + PublisherLogo = 0x14 + }; + + /*! + * Constructs an empty picture frame. The description, content and text + * encoding should be set manually. + */ + AttachedPictureFrame(); + + /*! + * Constructs an AttachedPicture frame based on \a data. + */ + explicit AttachedPictureFrame(const ByteVector &data); + + /*! + * Destroys the AttahcedPictureFrame instance. + */ + virtual ~AttachedPictureFrame(); + + /*! + * Returns a string containing the description and mime-type + */ + virtual String toString() const; + + /*! + * Returns the text encoding used for the description. + * + * \see setTextEncoding() + * \see description() + */ + String::Type textEncoding() const; + + /*! + * Set the text encoding used for the description. + * + * \see description() + */ + void setTextEncoding(String::Type t); + + /*! + * Returns the mime type of the image. This should in most cases be + * "image/png" or "image/jpeg". + */ + String mimeType() const; + + /*! + * Sets the mime type of the image. This should in most cases be + * "image/png" or "image/jpeg". + */ + void setMimeType(const String &m); + + /*! + * Returns the type of the image. + * + * \see Type + * \see setType() + */ + Type type() const; + + /*! + * Sets the type for the image. + * + * \see Type + * \see type() + */ + void setType(Type t); + + /*! + * Returns a text description of the image. + * + * \see setDescription() + * \see textEncoding() + * \see setTextEncoding() + */ + + String description() const; + + /*! + * Sets a textual description of the image to \a desc. + * + * \see description() + * \see textEncoding() + * \see setTextEncoding() + */ + + void setDescription(const String &desc); + + /*! + * Returns the image data as a ByteVector. + * + * \note ByteVector has a data() method that returns a const char * which + * should make it easy to export this data to external programs. + * + * \see setPicture() + * \see mimeType() + */ + ByteVector picture() const; + + /*! + * Sets the image data to \a p. \a p should be of the type specified in + * this frame's mime-type specification. + * + * \see picture() + * \see mimeType() + * \see setMimeType() + */ + void setPicture(const ByteVector &p); + + protected: + virtual void parseFields(const ByteVector &data); + virtual ByteVector renderFields() const; + + private: + AttachedPictureFrame(const ByteVector &data, Header *h); + AttachedPictureFrame(const AttachedPictureFrame &); + AttachedPictureFrame &operator=(const AttachedPictureFrame &); + + class AttachedPictureFramePrivate; + AttachedPictureFramePrivate *d; + }; + } +} + +#endif diff --git a/libs/taglib/taglib/mpeg/id3v2/frames/commentsframe.cpp b/libs/taglib/taglib/mpeg/id3v2/frames/commentsframe.cpp new file mode 100644 index 0000000000..2df176bde0 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/frames/commentsframe.cpp @@ -0,0 +1,178 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tbytevectorlist.h> +#include <id3v2tag.h> +#include <tdebug.h> +#include <tstringlist.h> + +#include "commentsframe.h" + +using namespace TagLib; +using namespace ID3v2; + +class CommentsFrame::CommentsFramePrivate +{ +public: + CommentsFramePrivate() : textEncoding(String::Latin1) {} + String::Type textEncoding; + ByteVector language; + String description; + String text; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +CommentsFrame::CommentsFrame(String::Type encoding) : Frame("COMM") +{ + d = new CommentsFramePrivate; + d->textEncoding = encoding; +} + +CommentsFrame::CommentsFrame(const ByteVector &data) : Frame(data) +{ + d = new CommentsFramePrivate; + setData(data); +} + +CommentsFrame::~CommentsFrame() +{ + delete d; +} + +String CommentsFrame::toString() const +{ + return d->text; +} + +ByteVector CommentsFrame::language() const +{ + return d->language; +} + +String CommentsFrame::description() const +{ + return d->description; +} + +String CommentsFrame::text() const +{ + return d->text; +} + +void CommentsFrame::setLanguage(const ByteVector &languageEncoding) +{ + d->language = languageEncoding.mid(0, 3); +} + +void CommentsFrame::setDescription(const String &s) +{ + d->description = s; +} + +void CommentsFrame::setText(const String &s) +{ + d->text = s; +} + +String::Type CommentsFrame::textEncoding() const +{ + return d->textEncoding; +} + +void CommentsFrame::setTextEncoding(String::Type encoding) +{ + d->textEncoding = encoding; +} + +CommentsFrame *CommentsFrame::findByDescription(const ID3v2::Tag *tag, const String &d) // static +{ + ID3v2::FrameList comments = tag->frameList("COMM"); + + for(ID3v2::FrameList::ConstIterator it = comments.begin(); + it != comments.end(); + ++it) + { + CommentsFrame *frame = dynamic_cast<CommentsFrame *>(*it); + if(frame && frame->description() == d) + return frame; + } + + return 0; +} + +//////////////////////////////////////////////////////////////////////////////// +// protected members +//////////////////////////////////////////////////////////////////////////////// + +void CommentsFrame::parseFields(const ByteVector &data) +{ + if(data.size() < 5) { + debug("A comment frame must contain at least 5 bytes."); + return; + } + + d->textEncoding = String::Type(data[0]); + d->language = data.mid(1, 3); + + int byteAlign = d->textEncoding == String::Latin1 || d->textEncoding == String::UTF8 ? 1 : 2; + + ByteVectorList l = ByteVectorList::split(data.mid(4), textDelimiter(d->textEncoding), byteAlign, 2); + + if(l.size() == 2) { + d->description = String(l.front(), d->textEncoding); + d->text = String(l.back(), d->textEncoding); + } +} + +ByteVector CommentsFrame::renderFields() const +{ + ByteVector v; + + String::Type encoding = d->textEncoding; + + encoding = checkEncoding(d->description, encoding); + encoding = checkEncoding(d->text, encoding); + + v.append(char(encoding)); + v.append(d->language.size() == 3 ? d->language : "XXX"); + v.append(d->description.data(encoding)); + v.append(textDelimiter(encoding)); + v.append(d->text.data(encoding)); + + return v; +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +CommentsFrame::CommentsFrame(const ByteVector &data, Header *h) : Frame(h) +{ + d = new CommentsFramePrivate(); + parseFields(fieldData(data)); +} diff --git a/libs/taglib/taglib/mpeg/id3v2/frames/commentsframe.h b/libs/taglib/taglib/mpeg/id3v2/frames/commentsframe.h new file mode 100644 index 0000000000..9123c739be --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/frames/commentsframe.h @@ -0,0 +1,168 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_COMMENTSFRAME_H +#define TAGLIB_COMMENTSFRAME_H + +#include <id3v2frame.h> +#include "taglib_export.h" + +namespace TagLib { + + namespace ID3v2 { + + //! An implementation of ID3v2 comments + + /*! + * This implements the ID3v2 comment format. An ID3v2 comment concists of + * a language encoding, a description and a single text field. + */ + + class TAGLIB_EXPORT CommentsFrame : public Frame + { + friend class FrameFactory; + + public: + /*! + * Construct an empty comment frame that will use the text encoding + * \a encoding. + */ + explicit CommentsFrame(String::Type encoding = String::Latin1); + + /*! + * Construct a comment based on the data in \a data. + */ + explicit CommentsFrame(const ByteVector &data); + + /*! + * Destroys this CommentFrame instance. + */ + virtual ~CommentsFrame(); + + /*! + * Returns the text of this comment. + * + * \see text() + */ + virtual String toString() const; + + /*! + * Returns the language encoding as a 3 byte encoding as specified by + * <a href="http://en.wikipedia.org/wiki/ISO_639">ISO-639-2</a>. + * + * \note Most taggers simply ignore this value. + * + * \see setLanguage() + */ + ByteVector language() const; + + /*! + * Returns the description of this comment. + * + * \note Most taggers simply ignore this value. + * + * \see setDescription() + */ + String description() const; + + /*! + * Returns the text of this comment. + * + * \see setText() + */ + String text() const; + + /*! + * Set the language using the 3 byte language code from + * <a href="http://en.wikipedia.org/wiki/ISO_639">ISO-639-2</a> to + * \a languageCode. + * + * \see language() + */ + void setLanguage(const ByteVector &languageCode); + + /*! + * Sets the description of the comment to \a s. + * + * \see decription() + */ + void setDescription(const String &s); + + /*! + * Sets the text portion of the comment to \a s. + * + * \see text() + */ + virtual void setText(const String &s); + + /*! + * Returns the text encoding that will be used in rendering this frame. + * This defaults to the type that was either specified in the constructor + * or read from the frame when parsed. + * + * \see setTextEncoding() + * \see render() + */ + String::Type textEncoding() const; + + /*! + * Sets the text encoding to be used when rendering this frame to + * \a encoding. + * + * \see textEncoding() + * \see render() + */ + void setTextEncoding(String::Type encoding); + + /*! + * Comments each have a unique description. This searches for a comment + * frame with the decription \a d and returns a pointer to it. If no + * frame is found that matches the given description null is returned. + * + * \see description() + */ + static CommentsFrame *findByDescription(const Tag *tag, const String &d); + + protected: + // Reimplementations. + + virtual void parseFields(const ByteVector &data); + virtual ByteVector renderFields() const; + + private: + /*! + * The constructor used by the FrameFactory. + */ + CommentsFrame(const ByteVector &data, Header *h); + CommentsFrame(const CommentsFrame &); + CommentsFrame &operator=(const CommentsFrame &); + + class CommentsFramePrivate; + CommentsFramePrivate *d; + }; + + } +} +#endif diff --git a/libs/taglib/taglib/mpeg/id3v2/frames/generalencapsulatedobjectframe.cpp b/libs/taglib/taglib/mpeg/id3v2/frames/generalencapsulatedobjectframe.cpp new file mode 100644 index 0000000000..58b7b63f68 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/frames/generalencapsulatedobjectframe.cpp @@ -0,0 +1,176 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + copyright : (C) 2006 by Aaron VonderHaar + email : avh4@users.sourceforge.net + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tdebug.h> + +#include "generalencapsulatedobjectframe.h" + +using namespace TagLib; +using namespace ID3v2; + +class GeneralEncapsulatedObjectFrame::GeneralEncapsulatedObjectFramePrivate +{ +public: + GeneralEncapsulatedObjectFramePrivate() : textEncoding(String::Latin1) {} + + String::Type textEncoding; + String mimeType; + String fileName; + String description; + ByteVector data; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +GeneralEncapsulatedObjectFrame::GeneralEncapsulatedObjectFrame() : Frame("GEOB") +{ + d = new GeneralEncapsulatedObjectFramePrivate; +} + +GeneralEncapsulatedObjectFrame::GeneralEncapsulatedObjectFrame(const ByteVector &data) : Frame(data) +{ + d = new GeneralEncapsulatedObjectFramePrivate; + setData(data); +} + +GeneralEncapsulatedObjectFrame::~GeneralEncapsulatedObjectFrame() +{ + delete d; +} + +String GeneralEncapsulatedObjectFrame::toString() const +{ + String text = "[" + d->mimeType + "]"; + + if(!d->fileName.isEmpty()) + text += " " + d->fileName; + + if(!d->description.isEmpty()) + text += " \"" + d->description + "\""; + + return text; +} + +String::Type GeneralEncapsulatedObjectFrame::textEncoding() const +{ + return d->textEncoding; +} + +void GeneralEncapsulatedObjectFrame::setTextEncoding(String::Type encoding) +{ + d->textEncoding = encoding; +} + +String GeneralEncapsulatedObjectFrame::mimeType() const +{ + return d->mimeType; +} + +void GeneralEncapsulatedObjectFrame::setMimeType(const String &type) +{ + d->mimeType = type; +} + +String GeneralEncapsulatedObjectFrame::fileName() const +{ + return d->fileName; +} + +void GeneralEncapsulatedObjectFrame::setFileName(const String &name) +{ + d->fileName = name; +} + +String GeneralEncapsulatedObjectFrame::description() const +{ + return d->description; +} + +void GeneralEncapsulatedObjectFrame::setDescription(const String &desc) +{ + d->description = desc; +} + +ByteVector GeneralEncapsulatedObjectFrame::object() const +{ + return d->data; +} + +void GeneralEncapsulatedObjectFrame::setObject(const ByteVector &data) +{ + d->data = data; +} + +//////////////////////////////////////////////////////////////////////////////// +// protected members +//////////////////////////////////////////////////////////////////////////////// + +void GeneralEncapsulatedObjectFrame::parseFields(const ByteVector &data) +{ + if(data.size() < 4) { + debug("An object frame must contain at least 4 bytes."); + return; + } + + d->textEncoding = String::Type(data[0]); + + int pos = 1; + + d->mimeType = readStringField(data, String::Latin1, &pos); + d->fileName = readStringField(data, d->textEncoding, &pos); + d->description = readStringField(data, d->textEncoding, &pos); + + d->data = data.mid(pos); +} + +ByteVector GeneralEncapsulatedObjectFrame::renderFields() const +{ + ByteVector data; + + data.append(char(d->textEncoding)); + data.append(d->mimeType.data(String::Latin1)); + data.append(textDelimiter(String::Latin1)); + data.append(d->fileName.data(d->textEncoding)); + data.append(textDelimiter(d->textEncoding)); + data.append(d->description.data(d->textEncoding)); + data.append(textDelimiter(d->textEncoding)); + data.append(d->data); + + return data; +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +GeneralEncapsulatedObjectFrame::GeneralEncapsulatedObjectFrame(const ByteVector &data, Header *h) : Frame(h) +{ + d = new GeneralEncapsulatedObjectFramePrivate; + parseFields(fieldData(data)); +} diff --git a/libs/taglib/taglib/mpeg/id3v2/frames/generalencapsulatedobjectframe.h b/libs/taglib/taglib/mpeg/id3v2/frames/generalencapsulatedobjectframe.h new file mode 100644 index 0000000000..9b4edf5456 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/frames/generalencapsulatedobjectframe.h @@ -0,0 +1,174 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + copyright : (C) 2006 by Aaron VonderHaar + email : avh4@users.sourceforge.net + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_GENERALENCAPSULATEDOBJECT_H +#define TAGLIB_GENERALENCAPSULATEDOBJECT_H + +#include <id3v2frame.h> +#include <id3v2header.h> +#include "taglib_export.h" + +namespace TagLib { + + namespace ID3v2 { + + //! An ID3v2 general encapsulated object frame implementation + + /*! + * This is an implementation of ID3v2 general encapsulated objects. + * Arbitrary binary data may be included in tags, stored in GEOB frames. + * There may be multiple GEOB frames in a single tag. Each GEOB it + * labelled with a content description (which may be blank), a required + * mime-type, and a file name (may be blank). The content description + * uniquely identifies the GEOB frame in the tag. + */ + + class TAGLIB_EXPORT GeneralEncapsulatedObjectFrame : public Frame + { + friend class FrameFactory; + + public: + + /*! + * Constructs an empty object frame. The description, file name and text + * encoding should be set manually. + */ + GeneralEncapsulatedObjectFrame(); + + /*! + * Constructs a GeneralEncapsulatedObjectFrame frame based on \a data. + */ + explicit GeneralEncapsulatedObjectFrame(const ByteVector &data); + + /*! + * Destroys the GeneralEncapsulatedObjectFrame instance. + */ + virtual ~GeneralEncapsulatedObjectFrame(); + + /*! + * Returns a string containing the description, file name and mime-type + */ + virtual String toString() const; + + /*! + * Returns the text encoding used for the description and file name. + * + * \see setTextEncoding() + * \see description() + * \see fileName() + */ + String::Type textEncoding() const; + + /*! + * Set the text encoding used for the description and file name. + * + * \see description() + * \see fileName() + */ + void setTextEncoding(String::Type encoding); + + /*! + * Returns the mime type of the object. + */ + String mimeType() const; + + /*! + * Sets the mime type of the object. + */ + void setMimeType(const String &type); + + /*! + * Returns the file name of the object. + * + * \see setFileName() + */ + String fileName() const; + + /*! + * Sets the file name for the object. + * + * \see fileName() + */ + void setFileName(const String &name); + + /*! + * Returns the content description of the object. + * + * \see setDescription() + * \see textEncoding() + * \see setTextEncoding() + */ + + String description() const; + + /*! + * Sets the content description of the object to \a desc. + * + * \see description() + * \see textEncoding() + * \see setTextEncoding() + */ + + void setDescription(const String &desc); + + /*! + * Returns the object data as a ByteVector. + * + * \note ByteVector has a data() method that returns a const char * which + * should make it easy to export this data to external programs. + * + * \see setObject() + * \see mimeType() + */ + ByteVector object() const; + + /*! + * Sets the object data to \a data. \a data should be of the type specified in + * this frame's mime-type specification. + * + * \see object() + * \see mimeType() + * \see setMimeType() + */ + void setObject(const ByteVector &object); + + protected: + virtual void parseFields(const ByteVector &data); + virtual ByteVector renderFields() const; + + private: + GeneralEncapsulatedObjectFrame(const ByteVector &data, Header *h); + GeneralEncapsulatedObjectFrame(const GeneralEncapsulatedObjectFrame &); + GeneralEncapsulatedObjectFrame &operator=(const GeneralEncapsulatedObjectFrame &); + + class GeneralEncapsulatedObjectFramePrivate; + GeneralEncapsulatedObjectFramePrivate *d; + }; + } +} + +#endif diff --git a/libs/taglib/taglib/mpeg/id3v2/frames/relativevolumeframe.cpp b/libs/taglib/taglib/mpeg/id3v2/frames/relativevolumeframe.cpp new file mode 100644 index 0000000000..8495197a60 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/frames/relativevolumeframe.cpp @@ -0,0 +1,236 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tdebug.h> +#include <tmap.h> + +#include "relativevolumeframe.h" + +using namespace TagLib; +using namespace ID3v2; + +static inline int bitsToBytes(int i) +{ + return i % 8 == 0 ? i / 8 : (i - i % 8) / 8 + 1; +} + +struct ChannelData +{ + ChannelData() : channelType(RelativeVolumeFrame::Other), volumeAdjustment(0) {} + + RelativeVolumeFrame::ChannelType channelType; + short volumeAdjustment; + RelativeVolumeFrame::PeakVolume peakVolume; +}; + +class RelativeVolumeFrame::RelativeVolumeFramePrivate +{ +public: + String identification; + Map<ChannelType, ChannelData> channels; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +RelativeVolumeFrame::RelativeVolumeFrame() : Frame("RVA2") +{ + d = new RelativeVolumeFramePrivate; +} + +RelativeVolumeFrame::RelativeVolumeFrame(const ByteVector &data) : Frame(data) +{ + d = new RelativeVolumeFramePrivate; + setData(data); +} + +RelativeVolumeFrame::~RelativeVolumeFrame() +{ + delete d; +} + +String RelativeVolumeFrame::toString() const +{ + return d->identification; +} + +List<RelativeVolumeFrame::ChannelType> RelativeVolumeFrame::channels() const +{ + List<ChannelType> l; + + Map<ChannelType, ChannelData>::ConstIterator it = d->channels.begin(); + for(; it != d->channels.end(); ++it) + l.append((*it).first); + + return l; +} + +// deprecated + +RelativeVolumeFrame::ChannelType RelativeVolumeFrame::channelType() const +{ + return MasterVolume; +} + +// deprecated + +void RelativeVolumeFrame::setChannelType(ChannelType) +{ + +} + +short RelativeVolumeFrame::volumeAdjustmentIndex(ChannelType type) const +{ + return d->channels.contains(type) ? d->channels[type].volumeAdjustment : 0; +} + +short RelativeVolumeFrame::volumeAdjustmentIndex() const +{ + return volumeAdjustmentIndex(MasterVolume); +} + +void RelativeVolumeFrame::setVolumeAdjustmentIndex(short index, ChannelType type) +{ + d->channels[type].volumeAdjustment = index; +} + +void RelativeVolumeFrame::setVolumeAdjustmentIndex(short index) +{ + setVolumeAdjustmentIndex(index, MasterVolume); +} + +float RelativeVolumeFrame::volumeAdjustment(ChannelType type) const +{ + return d->channels.contains(type) ? float(d->channels[type].volumeAdjustment) / float(512) : 0; +} + +float RelativeVolumeFrame::volumeAdjustment() const +{ + return volumeAdjustment(MasterVolume); +} + +void RelativeVolumeFrame::setVolumeAdjustment(float adjustment, ChannelType type) +{ + d->channels[type].volumeAdjustment = short(adjustment * float(512)); +} + +void RelativeVolumeFrame::setVolumeAdjustment(float adjustment) +{ + setVolumeAdjustment(adjustment, MasterVolume); +} + +RelativeVolumeFrame::PeakVolume RelativeVolumeFrame::peakVolume(ChannelType type) const +{ + return d->channels.contains(type) ? d->channels[type].peakVolume : PeakVolume(); +} + +RelativeVolumeFrame::PeakVolume RelativeVolumeFrame::peakVolume() const +{ + return peakVolume(MasterVolume); +} + +void RelativeVolumeFrame::setPeakVolume(const PeakVolume &peak, ChannelType type) +{ + d->channels[type].peakVolume = peak; +} + +void RelativeVolumeFrame::setPeakVolume(const PeakVolume &peak) +{ + setPeakVolume(peak, MasterVolume); +} + +String RelativeVolumeFrame::identification() const +{ + return d->identification; +} + +void RelativeVolumeFrame::setIdentification(const String &s) +{ + d->identification = s; +} + +//////////////////////////////////////////////////////////////////////////////// +// protected members +//////////////////////////////////////////////////////////////////////////////// + +void RelativeVolumeFrame::parseFields(const ByteVector &data) +{ + int pos = 0; + d->identification = readStringField(data, String::Latin1, &pos); + + // Each channel is at least 4 bytes. + + while(pos <= (int)data.size() - 4) { + + + ChannelType type = ChannelType(data[pos]); + pos += 1; + + ChannelData &channel = d->channels[type]; + + channel.volumeAdjustment = data.mid(pos, 2).toShort(); + pos += 2; + + channel.peakVolume.bitsRepresentingPeak = data[pos]; + pos += 1; + + int bytes = bitsToBytes(channel.peakVolume.bitsRepresentingPeak); + channel.peakVolume.peakVolume = data.mid(pos, bytes); + pos += bytes; + } +} + +ByteVector RelativeVolumeFrame::renderFields() const +{ + ByteVector data; + + data.append(d->identification.data(String::Latin1)); + data.append(textDelimiter(String::Latin1)); + + Map<ChannelType, ChannelData>::ConstIterator it = d->channels.begin(); + + for(; it != d->channels.end(); ++it) { + ChannelType type = (*it).first; + const ChannelData &channel = (*it).second; + + data.append(char(type)); + data.append(ByteVector::fromShort(channel.volumeAdjustment)); + data.append(char(channel.peakVolume.bitsRepresentingPeak)); + data.append(channel.peakVolume.peakVolume); + } + + return data; +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +RelativeVolumeFrame::RelativeVolumeFrame(const ByteVector &data, Header *h) : Frame(h) +{ + d = new RelativeVolumeFramePrivate; + parseFields(fieldData(data)); +} diff --git a/libs/taglib/taglib/mpeg/id3v2/frames/relativevolumeframe.h b/libs/taglib/taglib/mpeg/id3v2/frames/relativevolumeframe.h new file mode 100644 index 0000000000..f8521986bf --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/frames/relativevolumeframe.h @@ -0,0 +1,274 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_RELATIVEVOLUMEFRAME_H +#define TAGLIB_RELATIVEVOLUMEFRAME_H + +#include <tlist.h> +#include <id3v2frame.h> +#include "taglib_export.h" + +namespace TagLib { + + namespace ID3v2 { + + //! An ID3v2 relative volume adjustment frame implementation + + /*! + * This is an implementation of ID3v2 relative volume adjustment. The + * presence of this frame makes it possible to specify an increase in volume + * for an audio file or specific audio tracks in that file. + * + * Multiple relative volume adjustment frames may be present in the tag + * each with a unique identification and describing volume adjustment for + * different channel types. + */ + + class TAGLIB_EXPORT RelativeVolumeFrame : public Frame + { + friend class FrameFactory; + + public: + + /*! + * This indicates the type of volume adjustment that should be applied. + */ + enum ChannelType { + //! A type not enumerated below + Other = 0x00, + //! The master volume for the track + MasterVolume = 0x01, + //! The front right audio channel + FrontRight = 0x02, + //! The front left audio channel + FrontLeft = 0x03, + //! The back right audio channel + BackRight = 0x04, + //! The back left audio channel + BackLeft = 0x05, + //! The front center audio channel + FrontCentre = 0x06, + //! The back center audio channel + BackCentre = 0x07, + //! The subwoofer audio channel + Subwoofer = 0x08 + }; + + //! Struct that stores the relevant values for ID3v2 peak volume + + /*! + * The peak volume is described as a series of bits that is padded to fill + * a block of bytes. These two values should always be updated in tandem. + */ + struct PeakVolume + { + /*! + * Constructs an empty peak volume description. + */ + PeakVolume() : bitsRepresentingPeak(0) {} + /*! + * The number of bits (in the range of 0 to 255) used to describe the + * peak volume. + */ + unsigned char bitsRepresentingPeak; + /*! + * The array of bits (represented as a series of bytes) used to describe + * the peak volume. + */ + ByteVector peakVolume; + }; + + /*! + * Constructs a RelativeVolumeFrame. The relevant data should be set + * manually. + */ + RelativeVolumeFrame(); + + /*! + * Constructs a RelativeVolumeFrame based on the contents of \a data. + */ + RelativeVolumeFrame(const ByteVector &data); + + /*! + * Destroys the RelativeVolumeFrame instance. + */ + virtual ~RelativeVolumeFrame(); + + /*! + * Returns the frame's identification. + * + * \see identification() + */ + virtual String toString() const; + + /*! + * Returns a list of channels with information currently in the frame. + */ + List<ChannelType> channels() const; + + /*! + * \deprecated Always returns master volume. + */ + ChannelType channelType() const; + + /*! + * \deprecated This method no longer has any effect. + */ + void setChannelType(ChannelType t); + + /* + * There was a terrible API goof here, and while this can't be changed to + * the way it appears below for binary compaibility reasons, let's at + * least pretend that it looks clean. + */ + +#ifdef DOXYGEN + + /*! + * Returns the relative volume adjustment "index". As indicated by the + * ID3v2 standard this is a 16-bit signed integer that reflects the + * decibils of adjustment when divided by 512. + * + * This defaults to returning the value for the master volume channel if + * available and returns 0 if the specified channel does not exist. + * + * \see setVolumeAdjustmentIndex() + * \see volumeAjustment() + */ + short volumeAdjustmentIndex(ChannelType type = MasterVolume) const; + + /*! + * Set the volume adjustment to \a index. As indicated by the ID3v2 + * standard this is a 16-bit signed integer that reflects the decibils of + * adjustment when divided by 512. + * + * By default this sets the value for the master volume. + * + * \see volumeAdjustmentIndex() + * \see setVolumeAjustment() + */ + void setVolumeAdjustmentIndex(short index, ChannelType type = MasterVolume); + + /*! + * Returns the relative volume adjustment in decibels. + * + * \note Because this is actually stored internally as an "index" to this + * value the value returned by this method may not be identical to the + * value set using setVolumeAdjustment(). + * + * This defaults to returning the value for the master volume channel if + * available and returns 0 if the specified channel does not exist. + * + * \see setVolumeAdjustment() + * \see volumeAdjustmentIndex() + */ + float volumeAdjustment(ChannelType type = MasterVolume) const; + + /*! + * Set the relative volume adjustment in decibels to \a adjustment. + * + * By default this sets the value for the master volume. + * + * \note Because this is actually stored internally as an "index" to this + * value the value set by this method may not be identical to the one + * returned by volumeAdjustment(). + * + * \see setVolumeAdjustment() + * \see volumeAdjustmentIndex() + */ + void setVolumeAdjustment(float adjustment, ChannelType type = MasterVolume); + + /*! + * Returns the peak volume (represented as a length and a string of bits). + * + * This defaults to returning the value for the master volume channel if + * available and returns 0 if the specified channel does not exist. + * + * \see setPeakVolume() + */ + PeakVolume peakVolume(ChannelType type = MasterVolume) const; + + /*! + * Sets the peak volume to \a peak. + * + * By default this sets the value for the master volume. + * + * \see peakVolume() + */ + void setPeakVolume(const PeakVolume &peak, ChannelType type = MasterVolume); + +#else + + // BIC: Combine each of the following pairs of functions (or maybe just + // rework this junk altogether). + + short volumeAdjustmentIndex(ChannelType type) const; + short volumeAdjustmentIndex() const; + + void setVolumeAdjustmentIndex(short index, ChannelType type); + void setVolumeAdjustmentIndex(short index); + + float volumeAdjustment(ChannelType type) const; + float volumeAdjustment() const; + + void setVolumeAdjustment(float adjustment, ChannelType type); + void setVolumeAdjustment(float adjustment); + + PeakVolume peakVolume(ChannelType type) const; + PeakVolume peakVolume() const; + + void setPeakVolume(const PeakVolume &peak, ChannelType type); + void setPeakVolume(const PeakVolume &peak); + +#endif + + /*! + * Returns the identification for this frame. + */ + String identification() const; + + /*! + * Sets the identification of the frame to \a s. The string + * is used to identify the situation and/or device where this + * adjustment should apply. + */ + void setIdentification(const String &s); + + protected: + virtual void parseFields(const ByteVector &data); + virtual ByteVector renderFields() const; + + private: + RelativeVolumeFrame(const ByteVector &data, Header *h); + RelativeVolumeFrame(const RelativeVolumeFrame &); + RelativeVolumeFrame &operator=(const RelativeVolumeFrame &); + + class RelativeVolumeFramePrivate; + RelativeVolumeFramePrivate *d; + }; + + } +} +#endif diff --git a/libs/taglib/taglib/mpeg/id3v2/frames/textidentificationframe.cpp b/libs/taglib/taglib/mpeg/id3v2/frames/textidentificationframe.cpp new file mode 100644 index 0000000000..7d3b4ff291 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/frames/textidentificationframe.cpp @@ -0,0 +1,271 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tbytevectorlist.h> +#include <id3v2tag.h> + +#include "textidentificationframe.h" + +using namespace TagLib; +using namespace ID3v2; + +class TextIdentificationFrame::TextIdentificationFramePrivate +{ +public: + TextIdentificationFramePrivate() : textEncoding(String::Latin1) {} + String::Type textEncoding; + StringList fieldList; +}; + +//////////////////////////////////////////////////////////////////////////////// +// TextIdentificationFrame public members +//////////////////////////////////////////////////////////////////////////////// + +TextIdentificationFrame::TextIdentificationFrame(const ByteVector &type, String::Type encoding) : + Frame(type) +{ + d = new TextIdentificationFramePrivate; + d->textEncoding = encoding; +} + +TextIdentificationFrame::TextIdentificationFrame(const ByteVector &data) : + Frame(data) +{ + d = new TextIdentificationFramePrivate; + setData(data); +} + +TextIdentificationFrame::~TextIdentificationFrame() +{ + delete d; +} + +void TextIdentificationFrame::setText(const StringList &l) +{ + d->fieldList = l; +} + +void TextIdentificationFrame::setText(const String &s) +{ + d->fieldList = s; +} + +String TextIdentificationFrame::toString() const +{ + return d->fieldList.toString(); +} + +StringList TextIdentificationFrame::fieldList() const +{ + return d->fieldList; +} + +String::Type TextIdentificationFrame::textEncoding() const +{ + return d->textEncoding; +} + +void TextIdentificationFrame::setTextEncoding(String::Type encoding) +{ + d->textEncoding = encoding; +} + +//////////////////////////////////////////////////////////////////////////////// +// TextIdentificationFrame protected members +//////////////////////////////////////////////////////////////////////////////// + +void TextIdentificationFrame::parseFields(const ByteVector &data) +{ + // Don't try to parse invalid frames + + if(data.size() < 2) + return; + + // read the string data type (the first byte of the field data) + + d->textEncoding = String::Type(data[0]); + + // split the byte array into chunks based on the string type (two byte delimiter + // for unicode encodings) + + int byteAlign = d->textEncoding == String::Latin1 || d->textEncoding == String::UTF8 ? 1 : 2; + + // build a small counter to strip nulls off the end of the field + + int dataLength = data.size() - 1; + + while(dataLength > 0 && data[dataLength] == 0) + dataLength--; + + while(dataLength % byteAlign != 0) + dataLength++; + + ByteVectorList l = ByteVectorList::split(data.mid(1, dataLength), textDelimiter(d->textEncoding), byteAlign); + + d->fieldList.clear(); + + // append those split values to the list and make sure that the new string's + // type is the same specified for this frame + + for(ByteVectorList::Iterator it = l.begin(); it != l.end(); it++) { + if(!(*it).isEmpty()) { + String s(*it, d->textEncoding); + d->fieldList.append(s); + } + } +} + +ByteVector TextIdentificationFrame::renderFields() const +{ + String::Type encoding = checkEncoding(d->fieldList, d->textEncoding); + + ByteVector v; + + v.append(char(encoding)); + + for(StringList::ConstIterator it = d->fieldList.begin(); it != d->fieldList.end(); it++) { + + // Since the field list is null delimited, if this is not the first + // element in the list, append the appropriate delimiter for this + // encoding. + + if(it != d->fieldList.begin()) + v.append(textDelimiter(encoding)); + + v.append((*it).data(encoding)); + } + + return v; +} + +//////////////////////////////////////////////////////////////////////////////// +// TextIdentificationFrame private members +//////////////////////////////////////////////////////////////////////////////// + +TextIdentificationFrame::TextIdentificationFrame(const ByteVector &data, Header *h) : Frame(h) +{ + d = new TextIdentificationFramePrivate; + parseFields(fieldData(data)); +} + +//////////////////////////////////////////////////////////////////////////////// +// UserTextIdentificationFrame public members +//////////////////////////////////////////////////////////////////////////////// + +UserTextIdentificationFrame::UserTextIdentificationFrame(String::Type encoding) : + TextIdentificationFrame("TXXX", encoding), + d(0) +{ + StringList l; + l.append(String::null); + l.append(String::null); + setText(l); +} + + +UserTextIdentificationFrame::UserTextIdentificationFrame(const ByteVector &data) : + TextIdentificationFrame(data) +{ + checkFields(); +} + +String UserTextIdentificationFrame::toString() const +{ + return "[" + description() + "] " + fieldList().toString(); +} + +String UserTextIdentificationFrame::description() const +{ + return !TextIdentificationFrame::fieldList().isEmpty() + ? TextIdentificationFrame::fieldList().front() + : String::null; +} + +StringList UserTextIdentificationFrame::fieldList() const +{ + // TODO: remove this function + + return TextIdentificationFrame::fieldList(); +} + +void UserTextIdentificationFrame::setText(const String &text) +{ + if(description().isEmpty()) + setDescription(String::null); + + TextIdentificationFrame::setText(StringList(description()).append(text)); +} + +void UserTextIdentificationFrame::setText(const StringList &fields) +{ + if(description().isEmpty()) + setDescription(String::null); + + TextIdentificationFrame::setText(StringList(description()).append(fields)); +} + +void UserTextIdentificationFrame::setDescription(const String &s) +{ + StringList l = fieldList(); + + if(l.isEmpty()) + l.append(s); + else + l[0] = s; + + TextIdentificationFrame::setText(l); +} + +UserTextIdentificationFrame *UserTextIdentificationFrame::find( + ID3v2::Tag *tag, const String &description) // static +{ + FrameList l = tag->frameList("TXXX"); + for(FrameList::Iterator it = l.begin(); it != l.end(); ++it) { + UserTextIdentificationFrame *f = dynamic_cast<UserTextIdentificationFrame *>(*it); + if(f && f->description() == description) + return f; + } + return 0; +} + +//////////////////////////////////////////////////////////////////////////////// +// UserTextIdentificationFrame private members +//////////////////////////////////////////////////////////////////////////////// + +UserTextIdentificationFrame::UserTextIdentificationFrame(const ByteVector &data, Header *h) : + TextIdentificationFrame(data, h) +{ + checkFields(); +} + +void UserTextIdentificationFrame::checkFields() +{ + int fields = fieldList().size(); + + if(fields == 0) + setDescription(String::null); + if(fields <= 1) + setText(String::null); +} diff --git a/libs/taglib/taglib/mpeg/id3v2/frames/textidentificationframe.h b/libs/taglib/taglib/mpeg/id3v2/frames/textidentificationframe.h new file mode 100644 index 0000000000..291cba5b8f --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/frames/textidentificationframe.h @@ -0,0 +1,258 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_TEXTIDENTIFICATIONFRAME_H +#define TAGLIB_TEXTIDENTIFICATIONFRAME_H + +#include <tstringlist.h> +#include "taglib_export.h" + +#include <id3v2frame.h> + +namespace TagLib { + + namespace ID3v2 { + + class Tag; + + //! An ID3v2 text identification frame implementation + + /*! + * This is an implementation of the most common type of ID3v2 frame -- text + * identification frames. There are a number of variations on this. Those + * enumerated in the ID3v2.4 standard are: + * + * <ul> + * <li><b>TALB</b> Album/Movie/Show title</li> + * <li><b>TBPM</b> BPM (beats per minute)</li> + * <li><b>TCOM</b> Composer</li> + * <li><b>TCON</b> Content type</li> + * <li><b>TCOP</b> Copyright message</li> + * <li><b>TDEN</b> Encoding time</li> + * <li><b>TDLY</b> Playlist delay</li> + * <li><b>TDOR</b> Original release time</li> + * <li><b>TDRC</b> Recording time</li> + * <li><b>TDRL</b> Release time</li> + * <li><b>TDTG</b> Tagging time</li> + * <li><b>TENC</b> Encoded by</li> + * <li><b>TEXT</b> Lyricist/Text writer</li> + * <li><b>TFLT</b> File type</li> + * <li><b>TIPL</b> Involved people list</li> + * <li><b>TIT1</b> Content group description</li> + * <li><b>TIT2</b> Title/songname/content description</li> + * <li><b>TIT3</b> Subtitle/Description refinement</li> + * <li><b>TKEY</b> Initial key</li> + * <li><b>TLAN</b> Language(s)</li> + * <li><b>TLEN</b> Length</li> + * <li><b>TMCL</b> Musician credits list</li> + * <li><b>TMED</b> Media type</li> + * <li><b>TMOO</b> Mood</li> + * <li><b>TOAL</b> Original album/movie/show title</li> + * <li><b>TOFN</b> Original filename</li> + * <li><b>TOLY</b> Original lyricist(s)/text writer(s)</li> + * <li><b>TOPE</b> Original artist(s)/performer(s)</li> + * <li><b>TOWN</b> File owner/licensee</li> + * <li><b>TPE1</b> Lead performer(s)/Soloist(s)</li> + * <li><b>TPE2</b> Band/orchestra/accompaniment</li> + * <li><b>TPE3</b> Conductor/performer refinement</li> + * <li><b>TPE4</b> Interpreted, remixed, or otherwise modified by</li> + * <li><b>TPOS</b> Part of a set</li> + * <li><b>TPRO</b> Produced notice</li> + * <li><b>TPUB</b> Publisher</li> + * <li><b>TRCK</b> Track number/Position in set</li> + * <li><b>TRSN</b> Internet radio station name</li> + * <li><b>TRSO</b> Internet radio station owner</li> + * <li><b>TSOA</b> Album sort order</li> + * <li><b>TSOP</b> Performer sort order</li> + * <li><b>TSOT</b> Title sort order</li> + * <li><b>TSRC</b> ISRC (international standard recording code)</li> + * <li><b>TSSE</b> Software/Hardware and settings used for encoding</li> + * <li><b>TSST</b> Set subtitle</li> + * </ul> + * + * The ID3v2 Frames document gives a description of each of these formats + * and the expected order of strings in each. ID3v2::Header::frameID() can + * be used to determine the frame type. + * + * \note If non-Latin1 compatible strings are used with this class, even if + * the text encoding is set to Latin1, the frame will be written using UTF8 + * (with the encoding flag appropriately set in the output). + */ + + class TAGLIB_EXPORT TextIdentificationFrame : public Frame + { + friend class FrameFactory; + + public: + /*! + * Construct an empty frame of type \a type. Uses \a encoding as the + * default text encoding. + * + * \note In this case you must specify the text encoding as it + * resolves the ambiguity between constructors. + * + * \note Please see the note in the class description regarding Latin1. + */ + TextIdentificationFrame(const ByteVector &type, String::Type encoding); + + /*! + * This is a dual purpose constructor. \a data can either be binary data + * that should be parsed or (at a minimum) the frame ID. + */ + explicit TextIdentificationFrame(const ByteVector &data); + + /*! + * Destroys this TextIdentificationFrame instance. + */ + virtual ~TextIdentificationFrame(); + + /*! + * Text identification frames are a list of string fields. + * + * This function will accept either a StringList or a String (using the + * StringList constructor that accepts a single String). + * + * \note This will not change the text encoding of the frame even if the + * strings passed in are not of the same encoding. Please use + * setEncoding(s.type()) if you wish to change the encoding of the frame. + */ + void setText(const StringList &l); + + // Reimplementations. + + virtual void setText(const String &s); + virtual String toString() const; + + /*! + * Returns the text encoding that will be used in rendering this frame. + * This defaults to the type that was either specified in the constructor + * or read from the frame when parsed. + * + * \note Please see the note in the class description regarding Latin1. + * + * \see setTextEncoding() + * \see render() + */ + String::Type textEncoding() const; + + /*! + * Sets the text encoding to be used when rendering this frame to + * \a encoding. + * + * \note Please see the note in the class description regarding Latin1. + * + * \see textEncoding() + * \see render() + */ + void setTextEncoding(String::Type encoding); + + /*! + * Returns a list of the strings in this frame. + */ + StringList fieldList() const; + + protected: + // Reimplementations. + + virtual void parseFields(const ByteVector &data); + virtual ByteVector renderFields() const; + + /*! + * The constructor used by the FrameFactory. + */ + TextIdentificationFrame(const ByteVector &data, Header *h); + + private: + TextIdentificationFrame(const TextIdentificationFrame &); + TextIdentificationFrame &operator=(const TextIdentificationFrame &); + + class TextIdentificationFramePrivate; + TextIdentificationFramePrivate *d; + }; + + /*! + * This is a specialization of text identification frames that allows for + * user defined entries. Each entry has a description in addition to the + * normal list of fields that a text identification frame has. + * + * This description identifies the frame and must be unique. + */ + + //! An ID3v2 custom text identification frame implementationx + + class TAGLIB_EXPORT UserTextIdentificationFrame : public TextIdentificationFrame + { + friend class FrameFactory; + + public: + /*! + * Constructs an empty user defined text identification frame. For this to be + * a useful frame both a description and text must be set. + */ + explicit UserTextIdentificationFrame(String::Type encoding = String::Latin1); + + /*! + * Creates a frame based on \a data. + */ + explicit UserTextIdentificationFrame(const ByteVector &data); + + virtual String toString() const; + + /*! + * Returns the description for this frame. + */ + String description() const; + + /*! + * Sets the description of the frame to \a s. \a s must be unique. You can + * check for the presence of another user defined text frame of the same type + * using find() and testing for null. + */ + void setDescription(const String &s); + + StringList fieldList() const; + void setText(const String &text); + void setText(const StringList &fields); + + /*! + * Searches for the user defined text frame with the description \a description + * in \a tag. This returns null if no matching frames were found. + */ + static UserTextIdentificationFrame *find(Tag *tag, const String &description); + + private: + UserTextIdentificationFrame(const ByteVector &data, Header *h); + UserTextIdentificationFrame(const TextIdentificationFrame &); + UserTextIdentificationFrame &operator=(const UserTextIdentificationFrame &); + + void checkFields(); + + class UserTextIdentificationFramePrivate; + UserTextIdentificationFramePrivate *d; + }; + + } +} +#endif diff --git a/libs/taglib/taglib/mpeg/id3v2/frames/uniquefileidentifierframe.cpp b/libs/taglib/taglib/mpeg/id3v2/frames/uniquefileidentifierframe.cpp new file mode 100644 index 0000000000..836982bdf1 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/frames/uniquefileidentifierframe.cpp @@ -0,0 +1,118 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tbytevectorlist.h> +#include <tdebug.h> + +#include "uniquefileidentifierframe.h" + +using namespace TagLib; +using namespace ID3v2; + +class UniqueFileIdentifierFrame::UniqueFileIdentifierFramePrivate +{ +public: + String owner; + ByteVector identifier; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public methods +//////////////////////////////////////////////////////////////////////////////// + +UniqueFileIdentifierFrame::UniqueFileIdentifierFrame(const ByteVector &data) : + ID3v2::Frame(data) +{ + d = new UniqueFileIdentifierFramePrivate; + setData(data); +} + +UniqueFileIdentifierFrame::UniqueFileIdentifierFrame(const String &owner, const ByteVector &id) : + ID3v2::Frame("UFID") +{ + d = new UniqueFileIdentifierFramePrivate; + d->owner = owner; + d->identifier = id; +} + +UniqueFileIdentifierFrame::~UniqueFileIdentifierFrame() +{ + delete d; +} + +String UniqueFileIdentifierFrame::owner() const +{ + return d->owner; +} + +ByteVector UniqueFileIdentifierFrame::identifier() const +{ + return d->identifier; +} + +void UniqueFileIdentifierFrame::setOwner(const String &s) +{ + d->owner = s; +} + +void UniqueFileIdentifierFrame::setIdentifier(const ByteVector &v) +{ + d->identifier = v; +} + +String UniqueFileIdentifierFrame::toString() const +{ + return String::null; +} + +void UniqueFileIdentifierFrame::parseFields(const ByteVector &data) +{ + if(data.size() < 1) { + debug("An UFID frame must contain at least 1 byte."); + return; + } + + int pos = 0; + d->owner = readStringField(data, String::Latin1, &pos); + d->identifier = data.mid(pos); +} + +ByteVector UniqueFileIdentifierFrame::renderFields() const +{ + ByteVector data; + + data.append(d->owner.data(String::Latin1)); + data.append(char(0)); + data.append(d->identifier); + + return data; +} + +UniqueFileIdentifierFrame::UniqueFileIdentifierFrame(const ByteVector &data, Header *h) : + Frame(h) +{ + d = new UniqueFileIdentifierFramePrivate; + parseFields(fieldData(data)); +} diff --git a/libs/taglib/taglib/mpeg/id3v2/frames/uniquefileidentifierframe.h b/libs/taglib/taglib/mpeg/id3v2/frames/uniquefileidentifierframe.h new file mode 100644 index 0000000000..a0a66bb17d --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/frames/uniquefileidentifierframe.h @@ -0,0 +1,113 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_UNIQUEFILEIDENTIFIERFRAME +#define TAGLIB_UNIQUEFILEIDENTIFIERFRAME + +#include <id3v2frame.h> + +namespace TagLib { + + namespace ID3v2 { + + /*! + * This is an implementation of ID3v2 unique file identifier frames. This + * frame is used to identify the file in an arbitrary database identified + * by the owner field. + */ + + //! An implementation of ID3v2 unique identifier frames + + class TAGLIB_EXPORT UniqueFileIdentifierFrame : public ID3v2::Frame + { + friend class FrameFactory; + + public: + /*! + * Creates a uniqe file identifier frame based on \a data. + */ + UniqueFileIdentifierFrame(const ByteVector &data); + + /*! + * Creates a unique file identifier frame with the owner \a owner and + * the identification \a id. + */ + UniqueFileIdentifierFrame(const String &owner, const ByteVector &id); + + /*! + * Destroys the frame. + */ + ~UniqueFileIdentifierFrame(); + + /*! + * Returns the owner for the frame; essentially this is the key for + * determining which identification scheme this key belongs to. This + * will usually either be an email address or URL for the person or tool + * used to create the unique identifier. + * + * \see setOwner() + */ + String owner() const; + + /*! + * Returns the unique identifier. Though sometimes this is a text string + * it also may be binary data and as much should be assumed when handling + * it. + */ + ByteVector identifier() const; + + /*! + * Sets the owner of the identification scheme to \a s. + * + * \see owner() + */ + void setOwner(const String &s); + + /*! + * Sets the unique file identifier to \a v. + * + * \see identifier() + */ + void setIdentifier(const ByteVector &v); + + virtual String toString() const; + + protected: + virtual void parseFields(const ByteVector &data); + virtual ByteVector renderFields() const; + + private: + UniqueFileIdentifierFrame(const UniqueFileIdentifierFrame &); + UniqueFileIdentifierFrame &operator=(UniqueFileIdentifierFrame &); + + UniqueFileIdentifierFrame(const ByteVector &data, Header *h); + + class UniqueFileIdentifierFramePrivate; + UniqueFileIdentifierFramePrivate *d; + }; + } +} + +#endif diff --git a/libs/taglib/taglib/mpeg/id3v2/frames/unknownframe.cpp b/libs/taglib/taglib/mpeg/id3v2/frames/unknownframe.cpp new file mode 100644 index 0000000000..42b87c6916 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/frames/unknownframe.cpp @@ -0,0 +1,84 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include "unknownframe.h" + +using namespace TagLib; +using namespace ID3v2; + +class UnknownFrame::UnknownFramePrivate +{ +public: + ByteVector fieldData; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +UnknownFrame::UnknownFrame(const ByteVector &data) : Frame(data) +{ + d = new UnknownFramePrivate; + setData(data); +} + +UnknownFrame::~UnknownFrame() +{ + delete d; +} + +String UnknownFrame::toString() const +{ + return String::null; +} + +ByteVector UnknownFrame::data() const +{ + return d->fieldData; +} + +//////////////////////////////////////////////////////////////////////////////// +// protected members +//////////////////////////////////////////////////////////////////////////////// + +void UnknownFrame::parseFields(const ByteVector &data) +{ + d->fieldData = data; +} + +ByteVector UnknownFrame::renderFields() const +{ + return d->fieldData; +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +UnknownFrame::UnknownFrame(const ByteVector &data, Header *h) : Frame(h) +{ + d = new UnknownFramePrivate; + parseFields(fieldData(data)); +} diff --git a/libs/taglib/taglib/mpeg/id3v2/frames/unknownframe.h b/libs/taglib/taglib/mpeg/id3v2/frames/unknownframe.h new file mode 100644 index 0000000000..164a44a00c --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/frames/unknownframe.h @@ -0,0 +1,79 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_UNKNOWNFRAME_H +#define TAGLIB_UNKNOWNFRAME_H + +#include <id3v2frame.h> +#include "taglib_export.h" + +namespace TagLib { + + namespace ID3v2 { + + //! A frame type \e unknown to TagLib. + + /*! + * This class represents a frame type not known (or more often simply + * unimplemented) in TagLib. This is here provide a basic API for + * manipulating the binary data of unknown frames and to provide a means + * of rendering such \e unknown frames. + * + * Please note that a cleaner way of handling frame types that TagLib + * does not understand is to subclass ID3v2::Frame and ID3v2::FrameFactory + * to have your frame type supported through the standard ID3v2 mechanism. + */ + + class TAGLIB_EXPORT UnknownFrame : public Frame + { + friend class FrameFactory; + + public: + UnknownFrame(const ByteVector &data); + virtual ~UnknownFrame(); + + virtual String toString() const; + + /*! + * Returns the field data (everything but the header) for this frame. + */ + ByteVector data() const; + + protected: + virtual void parseFields(const ByteVector &data); + virtual ByteVector renderFields() const; + + private: + UnknownFrame(const ByteVector &data, Header *h); + UnknownFrame(const UnknownFrame &); + UnknownFrame &operator=(const UnknownFrame &); + + class UnknownFramePrivate; + UnknownFramePrivate *d; + }; + + } +} +#endif diff --git a/libs/taglib/taglib/mpeg/id3v2/frames/unsynchronizedlyricsframe.cpp b/libs/taglib/taglib/mpeg/id3v2/frames/unsynchronizedlyricsframe.cpp new file mode 100644 index 0000000000..4c907dd6e9 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/frames/unsynchronizedlyricsframe.cpp @@ -0,0 +1,162 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + copyright : (C) 2006 by Urs Fleisch + email : ufleisch@users.sourceforge.net + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include "unsynchronizedlyricsframe.h" +#include <tbytevectorlist.h> +#include <tdebug.h> + +using namespace TagLib; +using namespace ID3v2; + +class UnsynchronizedLyricsFrame::UnsynchronizedLyricsFramePrivate +{ +public: + UnsynchronizedLyricsFramePrivate() : textEncoding(String::Latin1) {} + String::Type textEncoding; + ByteVector language; + String description; + String text; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +UnsynchronizedLyricsFrame::UnsynchronizedLyricsFrame(String::Type encoding) : + Frame("USLT") +{ + d = new UnsynchronizedLyricsFramePrivate; + d->textEncoding = encoding; +} + +UnsynchronizedLyricsFrame::UnsynchronizedLyricsFrame(const ByteVector &data) : + Frame(data) +{ + d = new UnsynchronizedLyricsFramePrivate; + setData(data); +} + +UnsynchronizedLyricsFrame::~UnsynchronizedLyricsFrame() +{ + delete d; +} + +String UnsynchronizedLyricsFrame::toString() const +{ + return d->text; +} + +ByteVector UnsynchronizedLyricsFrame::language() const +{ + return d->language; +} + +String UnsynchronizedLyricsFrame::description() const +{ + return d->description; +} + +String UnsynchronizedLyricsFrame::text() const +{ + return d->text; +} + +void UnsynchronizedLyricsFrame::setLanguage(const ByteVector &languageEncoding) +{ + d->language = languageEncoding.mid(0, 3); +} + +void UnsynchronizedLyricsFrame::setDescription(const String &s) +{ + d->description = s; +} + +void UnsynchronizedLyricsFrame::setText(const String &s) +{ + d->text = s; +} + + +String::Type UnsynchronizedLyricsFrame::textEncoding() const +{ + return d->textEncoding; +} + +void UnsynchronizedLyricsFrame::setTextEncoding(String::Type encoding) +{ + d->textEncoding = encoding; +} + +//////////////////////////////////////////////////////////////////////////////// +// protected members +//////////////////////////////////////////////////////////////////////////////// + +void UnsynchronizedLyricsFrame::parseFields(const ByteVector &data) +{ + if(data.size() < 5) { + debug("An unsynchronized lyrics frame must contain at least 5 bytes."); + return; + } + + d->textEncoding = String::Type(data[0]); + d->language = data.mid(1, 3); + + int byteAlign + = d->textEncoding == String::Latin1 || d->textEncoding == String::UTF8 ? 1 : 2; + + ByteVectorList l = + ByteVectorList::split(data.mid(4), textDelimiter(d->textEncoding), byteAlign, 2); + + if(l.size() == 2) { + d->description = String(l.front(), d->textEncoding); + d->text = String(l.back(), d->textEncoding); + } +} + +ByteVector UnsynchronizedLyricsFrame::renderFields() const +{ + ByteVector v; + + v.append(char(d->textEncoding)); + v.append(d->language.size() == 3 ? d->language : "XXX"); + v.append(d->description.data(d->textEncoding)); + v.append(textDelimiter(d->textEncoding)); + v.append(d->text.data(d->textEncoding)); + + return v; +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +UnsynchronizedLyricsFrame::UnsynchronizedLyricsFrame(const ByteVector &data, Header *h) + : Frame(h) +{ + d = new UnsynchronizedLyricsFramePrivate(); + parseFields(fieldData(data)); +} diff --git a/libs/taglib/taglib/mpeg/id3v2/frames/unsynchronizedlyricsframe.h b/libs/taglib/taglib/mpeg/id3v2/frames/unsynchronizedlyricsframe.h new file mode 100644 index 0000000000..28cc1e8c55 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/frames/unsynchronizedlyricsframe.h @@ -0,0 +1,157 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + copyright : (C) 2006 by Urs Fleisch + email : ufleisch@users.sourceforge.net + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_UNSYNCHRONIZEDLYRICSFRAME_H +#define TAGLIB_UNSYNCHRONIZEDLYRICSFRAME_H + +#include <id3v2frame.h> + +namespace TagLib { + + namespace ID3v2 { + + //! ID3v2 unsynchronized lyrics frame + /*! + * An implementation of ID3v2 unsynchronized lyrics. + */ + class TAGLIB_EXPORT UnsynchronizedLyricsFrame : public Frame + { + friend class FrameFactory; + + public: + /*! + * Construct an empty unsynchronized lyrics frame that will use the text encoding + * \a encoding. + */ + explicit UnsynchronizedLyricsFrame(String::Type encoding = String::Latin1); + + /*! + * Construct a unsynchronized lyrics frame based on the data in \a data. + */ + explicit UnsynchronizedLyricsFrame(const ByteVector &data); + + /*! + * Destroys this UnsynchronizedLyricsFrame instance. + */ + virtual ~UnsynchronizedLyricsFrame(); + + /*! + * Returns the text of this unsynchronized lyrics frame. + * + * \see text() + */ + virtual String toString() const; + + /*! + * Returns the language encoding as a 3 byte encoding as specified by + * <a href="http://en.wikipedia.org/wiki/ISO_639">ISO-639-2</a>. + * + * \note Most taggers simply ignore this value. + * + * \see setLanguage() + */ + ByteVector language() const; + + /*! + * Returns the description of this unsynchronized lyrics frame. + * + * \note Most taggers simply ignore this value. + * + * \see setDescription() + */ + String description() const; + + /*! + * Returns the text of this unsynchronized lyrics frame. + * + * \see setText() + */ + String text() const; + + /*! + * Set the language using the 3 byte language code from + * <a href="http://en.wikipedia.org/wiki/ISO_639">ISO-639-2</a> to + * \a languageCode. + * + * \see language() + */ + void setLanguage(const ByteVector &languageCode); + + /*! + * Sets the description of the unsynchronized lyrics frame to \a s. + * + * \see decription() + */ + void setDescription(const String &s); + + /*! + * Sets the text portion of the unsynchronized lyrics frame to \a s. + * + * \see text() + */ + virtual void setText(const String &s); + + /*! + * Returns the text encoding that will be used in rendering this frame. + * This defaults to the type that was either specified in the constructor + * or read from the frame when parsed. + * + * \see setTextEncoding() + * \see render() + */ + String::Type textEncoding() const; + + /*! + * Sets the text encoding to be used when rendering this frame to + * \a encoding. + * + * \see textEncoding() + * \see render() + */ + void setTextEncoding(String::Type encoding); + + protected: + // Reimplementations. + + virtual void parseFields(const ByteVector &data); + virtual ByteVector renderFields() const; + + private: + /*! + * The constructor used by the FrameFactory. + */ + UnsynchronizedLyricsFrame(const ByteVector &data, Header *h); + UnsynchronizedLyricsFrame(const UnsynchronizedLyricsFrame &); + UnsynchronizedLyricsFrame &operator=(const UnsynchronizedLyricsFrame &); + + class UnsynchronizedLyricsFramePrivate; + UnsynchronizedLyricsFramePrivate *d; + }; + + } +} +#endif diff --git a/libs/taglib/taglib/mpeg/id3v2/frames/urllinkframe.cpp b/libs/taglib/taglib/mpeg/id3v2/frames/urllinkframe.cpp new file mode 100644 index 0000000000..25bdd187aa --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/frames/urllinkframe.cpp @@ -0,0 +1,192 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + copyright : (C) 2006 by Urs Fleisch + email : ufleisch@users.sourceforge.net + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include "urllinkframe.h" +#include <tdebug.h> +#include <tstringlist.h> + +using namespace TagLib; +using namespace ID3v2; + +class UrlLinkFrame::UrlLinkFramePrivate +{ +public: + String url; +}; + +class UserUrlLinkFrame::UserUrlLinkFramePrivate +{ +public: + UserUrlLinkFramePrivate() : textEncoding(String::Latin1) {} + String::Type textEncoding; + String description; +}; + +UrlLinkFrame::UrlLinkFrame(const ByteVector &data) : + Frame(data) +{ + d = new UrlLinkFramePrivate; + setData(data); +} + +UrlLinkFrame::~UrlLinkFrame() +{ + delete d; +} + +void UrlLinkFrame::setUrl(const String &s) +{ + d->url = s; +} + +String UrlLinkFrame::url() const +{ + return d->url; +} + +void UrlLinkFrame::setText(const String &s) +{ + setUrl(s); +} + +String UrlLinkFrame::toString() const +{ + return url(); +} + +void UrlLinkFrame::parseFields(const ByteVector &data) +{ + d->url = String(data); +} + +ByteVector UrlLinkFrame::renderFields() const +{ + return d->url.data(String::Latin1); +} + +UrlLinkFrame::UrlLinkFrame(const ByteVector &data, Header *h) : Frame(h) +{ + d = new UrlLinkFramePrivate; + parseFields(fieldData(data)); +} + + +UserUrlLinkFrame::UserUrlLinkFrame(String::Type encoding) : + UrlLinkFrame("WXXX") +{ + d = new UserUrlLinkFramePrivate; + d->textEncoding = encoding; +} + +UserUrlLinkFrame::UserUrlLinkFrame(const ByteVector &data) : + UrlLinkFrame(data) +{ + d = new UserUrlLinkFramePrivate; + setData(data); +} + +UserUrlLinkFrame::~UserUrlLinkFrame() +{ + delete d; +} + +String UserUrlLinkFrame::toString() const +{ + return "[" + description() + "] " + url(); +} + +String::Type UserUrlLinkFrame::textEncoding() const +{ + return d->textEncoding; +} + +void UserUrlLinkFrame::setTextEncoding(String::Type encoding) +{ + d->textEncoding = encoding; +} + +String UserUrlLinkFrame::description() const +{ + return d->description; +} + +void UserUrlLinkFrame::setDescription(const String &s) +{ + d->description = s; +} + +void UserUrlLinkFrame::parseFields(const ByteVector &data) +{ + if(data.size() < 2) { + debug("A user URL link frame must contain at least 2 bytes."); + return; + } + + int pos = 0; + + d->textEncoding = String::Type(data[0]); + pos += 1; + + if(d->textEncoding == String::Latin1 || d->textEncoding == String::UTF8) { + int offset = data.find(textDelimiter(d->textEncoding), pos); + if(offset < pos) + return; + + d->description = String(data.mid(pos, offset - pos), d->textEncoding); + pos = offset + 1; + } + else { + int len = data.mid(pos).find(textDelimiter(d->textEncoding), 0, 2); + if(len < 0) + return; + + d->description = String(data.mid(pos, len), d->textEncoding); + pos += len + 2; + } + + setUrl(String(data.mid(pos))); +} + +ByteVector UserUrlLinkFrame::renderFields() const +{ + ByteVector v; + + String::Type encoding = checkEncoding(d->description, d->textEncoding); + + v.append(char(encoding)); + v.append(d->description.data(encoding)); + v.append(textDelimiter(encoding)); + v.append(url().data(String::Latin1)); + + return v; +} + +UserUrlLinkFrame::UserUrlLinkFrame(const ByteVector &data, Header *h) : UrlLinkFrame(data, h) +{ + d = new UserUrlLinkFramePrivate; + parseFields(fieldData(data)); +} diff --git a/libs/taglib/taglib/mpeg/id3v2/frames/urllinkframe.h b/libs/taglib/taglib/mpeg/id3v2/frames/urllinkframe.h new file mode 100644 index 0000000000..649f85dea6 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/frames/urllinkframe.h @@ -0,0 +1,172 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + copyright : (C) 2006 by Urs Fleisch + email : ufleisch@users.sourceforge.net + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_URLLINKFRAME_H +#define TAGLIB_URLLINKFRAME_H + +#include <id3v2frame.h> + +namespace TagLib { + + namespace ID3v2 { + + //! ID3v2 URL frame + /*! + * An implementation of ID3v2 URL link frames. + */ + class TAGLIB_EXPORT UrlLinkFrame : public Frame + { + friend class FrameFactory; + + public: + /*! + * This is a dual purpose constructor. \a data can either be binary data + * that should be parsed or (at a minimum) the frame ID. + */ + explicit UrlLinkFrame(const ByteVector &data); + + /*! + * Destroys this UrlLinkFrame instance. + */ + virtual ~UrlLinkFrame(); + + /*! + * Returns the URL. + */ + virtual String url() const; + + /*! + * Sets the URL to \a s. + */ + virtual void setUrl(const String &s); + + // Reimplementations. + + virtual void setText(const String &s); + virtual String toString() const; + + protected: + virtual void parseFields(const ByteVector &data); + virtual ByteVector renderFields() const; + + /*! + * The constructor used by the FrameFactory. + */ + UrlLinkFrame(const ByteVector &data, Header *h); + + private: + UrlLinkFrame(const UrlLinkFrame &); + UrlLinkFrame &operator=(const UrlLinkFrame &); + + class UrlLinkFramePrivate; + UrlLinkFramePrivate *d; + }; + + //! ID3v2 User defined URL frame + + /*! + * This is a specialization of URL link frames that allows for + * user defined entries. Each entry has a description in addition to the + * normal list of fields that a URL link frame has. + * + * This description identifies the frame and must be unique. + */ + class TAGLIB_EXPORT UserUrlLinkFrame : public UrlLinkFrame + { + friend class FrameFactory; + + public: + /*! + * Constructs an empty user defined URL link frame. For this to be + * a useful frame both a description and text must be set. + */ + explicit UserUrlLinkFrame(String::Type encoding = String::Latin1); + + /*! + * This is a dual purpose constructor. \a data can either be binary data + * that should be parsed or (at a minimum) the frame ID. + */ + explicit UserUrlLinkFrame(const ByteVector &data); + + /*! + * Destroys this UserUrlLinkFrame instance. + */ + virtual ~UserUrlLinkFrame(); + + // Reimplementations. + + virtual String toString() const; + + /*! + * Returns the text encoding that will be used in rendering this frame. + * This defaults to the type that was either specified in the constructor + * or read from the frame when parsed. + * + * \see setTextEncoding() + * \see render() + */ + String::Type textEncoding() const; + + /*! + * Sets the text encoding to be used when rendering this frame to + * \a encoding. + * + * \see textEncoding() + * \see render() + */ + void setTextEncoding(String::Type encoding); + + /*! + * Returns the description for this frame. + */ + String description() const; + + /*! + * Sets the description of the frame to \a s. \a s must be unique. + */ + void setDescription(const String &s); + + protected: + virtual void parseFields(const ByteVector &data); + virtual ByteVector renderFields() const; + + /*! + * The constructor used by the FrameFactory. + */ + UserUrlLinkFrame(const ByteVector &data, Header *h); + + private: + UserUrlLinkFrame(const UserUrlLinkFrame &); + UserUrlLinkFrame &operator=(const UserUrlLinkFrame &); + + class UserUrlLinkFramePrivate; + UserUrlLinkFramePrivate *d; + }; + + } +} +#endif diff --git a/libs/taglib/taglib/mpeg/id3v2/id3v2.2.0.txt b/libs/taglib/taglib/mpeg/id3v2/id3v2.2.0.txt new file mode 100644 index 0000000000..a69bddd32a --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/id3v2.2.0.txt @@ -0,0 +1,1660 @@ + +Informal standard M. Nilsson +Document: id3v2-00.txt 26th March 1998 + + + ID3 tag version 2 + +Status of this document + + This document is an Informal standard and is released so that + implementors could have a set standard before the formal standard is + set. The formal standard will use another version number if not + identical to what is described in this document. The contents in this + document may change for clarifications but never for added or altered + functionallity. + + Distribution of this document is unlimited. + + +Abstract + + The recent gain of popularity for MPEG layer III audio files on the + internet forced a standardised way of storing information about an + audio file within itself to determinate its origin and contents. + + Today the most accepted way to do this is with the so called ID3 tag, + which is simple but very limited and in some cases very unsuitable. + The ID3 tag has very limited space in every field, very limited + numbers of fields, not expandable or upgradeable and is placed at the + end of a the file, which is unsuitable for streaming audio. This draft + is an attempt to answer these issues with a new version of the ID3 + tag. + + +1. Table of contents + + 2. Conventions in this document + 3. ID3v2 overview + 3.1. ID3v2 header + 3.2. ID3v2 frames overview + 4. Declared ID3v2 frames + 4.1. Unique file identifier + 4.2. Text information frames + 4.2.1. Text information frames - details + 4.2.2. User defined text information frame + 4.3. URL link frames + 4.3.1. URL link frames - details + 4.3.2. User defined URL link frame + 4.4. Involved people list + 4.5. Music CD Identifier + 4.6. Event timing codes + 4.7. MPEG location lookup table + 4.8. Synced tempo codes + 4.9. Unsychronised lyrics/text transcription + 4.10. Synchronised lyrics/text + 4.11. Comments + 4.12. Relative volume adjustment + 4.13. Equalisation + 4.14. Reverb + 4.15. Attached picture + 4.16. General encapsulated object + 4.17. Play counter + 4.18. Popularimeter + 4.19. Recommended buffer size + 4.20. Encrypted meta frame + 4.21. Audio encryption + 4.22. Linked information + 5. The 'unsynchronisation scheme' + 6. Copyright + 7. References + 8. Appendix + A. Appendix A - ID3-Tag Specification V1.1 + A.1. Overview + A.2. ID3v1 Implementation + A.3. Genre List + A.4. Track addition - ID3v1.1 + 9. Author's Address + + +2. Conventions in this document + + In the examples, text within "" is a text string exactly as it appears + in a file. Numbers preceded with $ are hexadecimal and numbers + preceded with % are binary. $xx is used to indicate a byte with + unknown content. %x is used to indicate a bit with unknown content. + The most significant bit (MSB) of a byte is called 'bit 7' and the + least significant bit (LSB) is called 'bit 0'. + + A tag is the whole tag described in this document. A frame is a block + of information in the tag. The tag consists of a header, frames and + optional padding. A field is a piece of information; one value, a + string etc. A numeric string is a string that consists of the + characters 0-9 only. + + +3. ID3v2 overview + + The two biggest design goals were to be able to implement ID3v2 + without disturbing old software too much and that ID3v2 should be + expandable. + + The first criterion is met by the simple fact that the MPEG [MPEG] + decoding software uses a syncsignal, embedded in the audiostream, to + 'lock on to' the audio. Since the ID3v2 tag doesn't contain a valid + syncsignal, no software will attempt to play the tag. If, for any + reason, coincidence make a syncsignal appear within the tag it will be + taken care of by the 'unsynchronisation scheme' described in section + 5. + + The second criterion has made a more noticeable impact on the design + of the ID3v2 tag. It is constructed as a container for several + information blocks, called frames, whose format need not be known to + the software that encounters them. At the start of every frame there + is an identifier that explains the frames's format and content, and a + size descriptor that allows software to skip unknown frames. + + If a total revision of the ID3v2 tag should be needed, there is a + version number and a size descriptor in the ID3v2 header. + + The ID3 tag described in this document is mainly targeted to files + encoded with MPEG-2 layer I, MPEG-2 layer II, MPEG-2 layer III and + MPEG-2.5, but may work with other types of encoded audio. + + The bitorder in ID3v2 is most significant bit first (MSB). The + byteorder in multibyte numbers is most significant byte first (e.g. + $12345678 would be encoded $12 34 56 78). + + It is permitted to include padding after all the final frame (at the + end of the ID3 tag), making the size of all the frames together + smaller than the size given in the head of the tag. A possible purpose + of this padding is to allow for adding a few additional frames or + enlarge existing frames within the tag without having to rewrite the + entire file. The value of the padding bytes must be $00. + + +3.1. ID3v2 header + + The ID3v2 tag header, which should be the first information in the + file, is 10 bytes as follows: + + ID3/file identifier "ID3" + ID3 version $02 00 + ID3 flags %xx000000 + ID3 size 4 * %0xxxxxxx + + The first three bytes of the tag are always "ID3" to indicate that + this is an ID3 tag, directly followed by the two version bytes. The + first byte of ID3 version is it's major version, while the second byte + is its revision number. All revisions are backwards compatible while + major versions are not. If software with ID3v2 and below support + should encounter version three or higher it should simply ignore the + whole tag. Version and revision will never be $FF. + + The first bit (bit 7) in the 'ID3 flags' is indicating whether or not + unsynchronisation is used (see section 5 for details); a set bit + indicates usage. + + The second bit (bit 6) is indicating whether or not compression is + used; a set bit indicates usage. Since no compression scheme has been + decided yet, the ID3 decoder (for now) should just ignore the entire + tag if the compression bit is set. + + The ID3 tag size is encoded with four bytes where the first bit (bit + 7) is set to zero in every byte, making a total of 28 bits. The zeroed + bits are ignored, so a 257 bytes long tag is represented as $00 00 02 + 01. + + The ID3 tag size is the size of the complete tag after + unsychronisation, including padding, excluding the header (total tag + size - 10). The reason to use 28 bits (representing up to 256MB) for + size description is that we don't want to run out of space here. + + A ID3v2 tag can be detected with the following pattern: + $49 44 33 yy yy xx zz zz zz zz + Where yy is less than $FF, xx is the 'flags' byte and zz is less than + $80. + + +3.2. ID3v2 frames overview + + The headers of the frames are similar in their construction. They + consist of one three character identifier (capital A-Z and 0-9) and + one three byte size field, making a total of six bytes. The header is + excluded from the size. Identifiers beginning with "X", "Y" and "Z" + are for experimental use and free for everyone to use. Have in mind + that someone else might have used the same identifier as you. All + other identifiers are either used or reserved for future use. + + The three character frame identifier is followed by a three byte size + descriptor, making a total header size of six bytes in every frame. + The size is calculated as framesize excluding frame identifier and + size descriptor (frame size - 6). + + There is no fixed order of the frames' appearance in the tag, although + it is desired that the frames are arranged in order of significance + concerning the recognition of the file. An example of such order: + UFI, MCI, TT2 ... + + A tag must contain at least one frame. A frame must be at least 1 byte + big, excluding the 6-byte header. + + If nothing else is said a string is represented as ISO-8859-1 + [ISO-8859-1] characters in the range $20 - $FF. All unicode strings + [UNICODE] use 16-bit unicode 2.0 (ISO/IEC 10646-1:1993, UCS-2). All + numeric strings are always encoded as ISO-8859-1. Terminated strings + are terminated with $00 if encoded with ISO-8859-1 and $00 00 if + encoded as unicode. If nothing else is said newline character is + forbidden. In ISO-8859-1 a new line is represented, when allowed, with + $0A only. Frames that allow different types of text encoding have a + text encoding description byte directly after the frame size. If + ISO-8859-1 is used this byte should be $00, if unicode is used it + should be $01. + + The three byte language field is used to describe the language of the + frame's content, according to ISO-639-2 [ISO-639-2]. + + All URLs [URL] may be relative, e.g. "picture.png", "../doc.txt". + + If a frame is longer than it should be, e.g. having more fields than + specified in this document, that indicates that additions to the + frame have been made in a later version of the ID3 standard. This + is reflected by the revision number in the header of the tag. + + +4. Declared ID3v2 frames + + The following frames are declared in this draft. + + 4.19 BUF Recommended buffer size + + 4.17 CNT Play counter + 4.11 COM Comments + 4.21 CRA Audio encryption + 4.20 CRM Encrypted meta frame + + 4.6 ETC Event timing codes + 4.13 EQU Equalization + + 4.16 GEO General encapsulated object + + 4.4 IPL Involved people list + + 4.22 LNK Linked information + + 4.5 MCI Music CD Identifier + 4.7 MLL MPEG location lookup table + + 4.15 PIC Attached picture + 4.18 POP Popularimeter + + 4.14 REV Reverb + 4.12 RVA Relative volume adjustment + + 4.10 SLT Synchronized lyric/text + 4.8 STC Synced tempo codes + + 4.2.1 TAL Album/Movie/Show title + 4.2.1 TBP BPM (Beats Per Minute) + 4.2.1 TCM Composer + 4.2.1 TCO Content type + 4.2.1 TCR Copyright message + 4.2.1 TDA Date + 4.2.1 TDY Playlist delay + 4.2.1 TEN Encoded by + 4.2.1 TFT File type + 4.2.1 TIM Time + 4.2.1 TKE Initial key + 4.2.1 TLA Language(s) + 4.2.1 TLE Length + 4.2.1 TMT Media type + 4.2.1 TOA Original artist(s)/performer(s) + 4.2.1 TOF Original filename + 4.2.1 TOL Original Lyricist(s)/text writer(s) + 4.2.1 TOR Original release year + 4.2.1 TOT Original album/Movie/Show title + 4.2.1 TP1 Lead artist(s)/Lead performer(s)/Soloist(s)/Performing group + 4.2.1 TP2 Band/Orchestra/Accompaniment + 4.2.1 TP3 Conductor/Performer refinement + 4.2.1 TP4 Interpreted, remixed, or otherwise modified by + 4.2.1 TPA Part of a set + 4.2.1 TPB Publisher + 4.2.1 TRC ISRC (International Standard Recording Code) + 4.2.1 TRD Recording dates + 4.2.1 TRK Track number/Position in set + 4.2.1 TSI Size + 4.2.1 TSS Software/hardware and settings used for encoding + 4.2.1 TT1 Content group description + 4.2.1 TT2 Title/Songname/Content description + 4.2.1 TT3 Subtitle/Description refinement + 4.2.1 TXT Lyricist/text writer + 4.2.2 TXX User defined text information frame + 4.2.1 TYE Year + + 4.1 UFI Unique file identifier + 4.9 ULT Unsychronized lyric/text transcription + + 4.3.1 WAF Official audio file webpage + 4.3.1 WAR Official artist/performer webpage + 4.3.1 WAS Official audio source webpage + 4.3.1 WCM Commercial information + 4.3.1 WCP Copyright/Legal information + 4.3.1 WPB Publishers official webpage + 4.3.2 WXX User defined URL link frame + + +4.1. Unique file identifier + + This frame's purpose is to be able to identify the audio file in a + database that may contain more information relevant to the content. + Since standardisation of such a database is beyond this document, all + frames begin with a null-terminated string with a URL [URL] containing + an email address, or a link to a location where an email address can + be found, that belongs to the organisation responsible for this + specific database implementation. Questions regarding the database + should be sent to the indicated email address. The URL should not be + used for the actual database queries. If a $00 is found directly after + the 'Frame size' the whole frame should be ignored, and preferably be + removed. The 'Owner identifier' is then followed by the actual + identifier, which may be up to 64 bytes. There may be more than one + "UFI" frame in a tag, but only one with the same 'Owner identifier'. + + Unique file identifier "UFI" + Frame size $xx xx xx + Owner identifier <textstring> $00 + Identifier <up to 64 bytes binary data> + + +4.2. Text information frames + + The text information frames are the most important frames, containing + information like artist, album and more. There may only be one text + information frame of its kind in an tag. If the textstring is followed + by a termination ($00 (00)) all the following information should be + ignored and not be displayed. All the text information frames have the + following format: + + Text information identifier "T00" - "TZZ" , excluding "TXX", + described in 4.2.2. + Frame size $xx xx xx + Text encoding $xx + Information <textstring> + + +4.2.1. Text information frames - details + + TT1 + The 'Content group description' frame is used if the sound belongs to + a larger category of sounds/music. For example, classical music is + often sorted in different musical sections (e.g. "Piano Concerto", + "Weather - Hurricane"). + + TT2 + The 'Title/Songname/Content description' frame is the actual name of + the piece (e.g. "Adagio", "Hurricane Donna"). + + TT3 + The 'Subtitle/Description refinement' frame is used for information + directly related to the contents title (e.g. "Op. 16" or "Performed + live at wembley"). + + TP1 + The 'Lead artist(s)/Lead performer(s)/Soloist(s)/Performing group' is + used for the main artist(s). They are seperated with the "/" + character. + + TP2 + The 'Band/Orchestra/Accompaniment' frame is used for additional + information about the performers in the recording. + + TP3 + The 'Conductor' frame is used for the name of the conductor. + + TP4 + The 'Interpreted, remixed, or otherwise modified by' frame contains + more information about the people behind a remix and similar + interpretations of another existing piece. + + TCM + The 'Composer(s)' frame is intended for the name of the composer(s). + They are seperated with the "/" character. + + TXT + The 'Lyricist(s)/text writer(s)' frame is intended for the writer(s) + of the text or lyrics in the recording. They are seperated with the + "/" character. + + TLA + The 'Language(s)' frame should contain the languages of the text or + lyrics in the audio file. The language is represented with three + characters according to ISO-639-2. If more than one language is used + in the text their language codes should follow according to their + usage. + + TCO + The content type, which previously (in ID3v1.1, see appendix A) was + stored as a one byte numeric value only, is now a numeric string. You + may use one or several of the types as ID3v1.1 did or, since the + category list would be impossible to maintain with accurate and up to + date categories, define your own. + References to the ID3v1 genres can be made by, as first byte, enter + "(" followed by a number from the genres list (section A.3.) and + ended with a ")" character. This is optionally followed by a + refinement, e.g. "(21)" or "(4)Eurodisco". Several references can be + made in the same frame, e.g. "(51)(39)". If the refinement should + begin with a "(" character it should be replaced with "((", e.g. "((I + can figure out any genre)" or "(55)((I think...)". The following new + content types is defined in ID3v2 and is implemented in the same way + as the numerig content types, e.g. "(RX)". + + RX Remix + CR Cover + + TAL + The 'Album/Movie/Show title' frame is intended for the title of the + recording(/source of sound) which the audio in the file is taken from. + + TPA + The 'Part of a set' frame is a numeric string that describes which + part of a set the audio came from. This frame is used if the source + described in the "TAL" frame is divided into several mediums, e.g. a + double CD. The value may be extended with a "/" character and a + numeric string containing the total number of parts in the set. E.g. + "1/2". + + TRK + The 'Track number/Position in set' frame is a numeric string + containing the order number of the audio-file on its original + recording. This may be extended with a "/" character and a numeric + string containing the total numer of tracks/elements on the original + recording. E.g. "4/9". + + TRC + The 'ISRC' frame should contian the International Standard Recording + Code [ISRC]. + + TYE + The 'Year' frame is a numeric string with a year of the recording. + This frames is always four characters long (until the year 10000). + + TDA + The 'Date' frame is a numeric string in the DDMM format containing + the date for the recording. This field is always four characters + long. + + TIM + The 'Time' frame is a numeric string in the HHMM format containing + the time for the recording. This field is always four characters + long. + + TRD + The 'Recording dates' frame is a intended to be used as complement to + the "TYE", "TDA" and "TIM" frames. E.g. "4th-7th June, 12th June" in + combination with the "TYE" frame. + + TMT + The 'Media type' frame describes from which media the sound + originated. This may be a textstring or a reference to the predefined + media types found in the list below. References are made within "(" + and ")" and are optionally followed by a text refinement, e.g. "(MC) + with four channels". If a text refinement should begin with a "(" + character it should be replaced with "((" in the same way as in the + "TCO" frame. Predefined refinements is appended after the media type, + e.g. "(CD/S)" or "(VID/PAL/VHS)". + + DIG Other digital media + /A Analog transfer from media + + ANA Other analog media + /WAC Wax cylinder + /8CA 8-track tape cassette + + CD CD + /A Analog transfer from media + /DD DDD + /AD ADD + /AA AAD + + LD Laserdisc + /A Analog transfer from media + + TT Turntable records + /33 33.33 rpm + /45 45 rpm + /71 71.29 rpm + /76 76.59 rpm + /78 78.26 rpm + /80 80 rpm + + MD MiniDisc + /A Analog transfer from media + + DAT DAT + /A Analog transfer from media + /1 standard, 48 kHz/16 bits, linear + /2 mode 2, 32 kHz/16 bits, linear + /3 mode 3, 32 kHz/12 bits, nonlinear, low speed + /4 mode 4, 32 kHz/12 bits, 4 channels + /5 mode 5, 44.1 kHz/16 bits, linear + /6 mode 6, 44.1 kHz/16 bits, 'wide track' play + + DCC DCC + /A Analog transfer from media + + DVD DVD + /A Analog transfer from media + + TV Television + /PAL PAL + /NTSC NTSC + /SECAM SECAM + + VID Video + /PAL PAL + /NTSC NTSC + /SECAM SECAM + /VHS VHS + /SVHS S-VHS + /BETA BETAMAX + + RAD Radio + /FM FM + /AM AM + /LW LW + /MW MW + + TEL Telephone + /I ISDN + + MC MC (normal cassette) + /4 4.75 cm/s (normal speed for a two sided cassette) + /9 9.5 cm/s + /I Type I cassette (ferric/normal) + /II Type II cassette (chrome) + /III Type III cassette (ferric chrome) + /IV Type IV cassette (metal) + + REE Reel + /9 9.5 cm/s + /19 19 cm/s + /38 38 cm/s + /76 76 cm/s + /I Type I cassette (ferric/normal) + /II Type II cassette (chrome) + /III Type III cassette (ferric chrome) + /IV Type IV cassette (metal) + + TFT + The 'File type' frame indicates which type of audio this tag defines. + The following type and refinements are defined: + + MPG MPEG Audio + /1 MPEG 2 layer I + /2 MPEG 2 layer II + /3 MPEG 2 layer III + /2.5 MPEG 2.5 + /AAC Advanced audio compression + + but other types may be used, not for these types though. This is used + in a similar way to the predefined types in the "TMT" frame, but + without parenthesis. If this frame is not present audio type is + assumed to be "MPG". + + TBP + BPM is short for beats per minute, and is easily computed by + dividing the number of beats in a musical piece with its length. To + get a more accurate result, do the BPM calculation on the main-part + only. To acquire best result measure the time between each beat and + calculate individual BPM for each beat and use the median value as + result. BPM is an integer and represented as a numerical string. + + TCR + The 'Copyright message' frame, which must begin with a year and a + space character (making five characters), is intended for the + copyright holder of the original sound, not the audio file itself. The + absence of this frame means only that the copyright information is + unavailable or has been removed, and must not be interpreted to mean + that the sound is public domain. Every time this field is displayed + the field must be preceded with "Copyright " (C) " ", where (C) is one + character showing a C in a circle. + + TPB + The 'Publisher' frame simply contains the name of the label or + publisher. + + TEN + The 'Encoded by' frame contains the name of the person or + organisation that encoded the audio file. This field may contain a + copyright message, if the audio file also is copyrighted by the + encoder. + + TSS + The 'Software/hardware and settings used for encoding' frame + includes the used audio encoder and its settings when the file was + encoded. Hardware refers to hardware encoders, not the computer on + which a program was run. + + TOF + The 'Original filename' frame contains the preferred filename for the + file, since some media doesn't allow the desired length of the + filename. The filename is case sensitive and includes its suffix. + + TLE + The 'Length' frame contains the length of the audiofile in + milliseconds, represented as a numeric string. + + TSI + The 'Size' frame contains the size of the audiofile in bytes + excluding the tag, represented as a numeric string. + + TDY + The 'Playlist delay' defines the numbers of milliseconds of silence + between every song in a playlist. The player should use the "ETC" + frame, if present, to skip initial silence and silence at the end of + the audio to match the 'Playlist delay' time. The time is represented + as a numeric string. + + TKE + The 'Initial key' frame contains the musical key in which the sound + starts. It is represented as a string with a maximum length of three + characters. The ground keys are represented with "A","B","C","D","E", + "F" and "G" and halfkeys represented with "b" and "#". Minor is + represented as "m". Example "Cbm". Off key is represented with an "o" + only. + + TOT + The 'Original album/Movie/Show title' frame is intended for the title + of the original recording(/source of sound), if for example the music + in the file should be a cover of a previously released song. + + TOA + The 'Original artist(s)/performer(s)' frame is intended for the + performer(s) of the original recording, if for example the music in + the file should be a cover of a previously released song. The + performers are seperated with the "/" character. + + TOL + The 'Original Lyricist(s)/text writer(s)' frame is intended for the + text writer(s) of the original recording, if for example the music in + the file should be a cover of a previously released song. The text + writers are seperated with the "/" character. + + TOR + The 'Original release year' frame is intended for the year when the + original recording, if for example the music in the file should be a + cover of a previously released song, was released. The field is + formatted as in the "TDY" frame. + + +4.2.2. User defined text information frame + + This frame is intended for one-string text information concerning the + audiofile in a similar way to the other "T"xx frames. The frame body + consists of a description of the string, represented as a terminated + string, followed by the actual string. There may be more than one + "TXX" frame in each tag, but only one with the same description. + + User defined... "TXX" + Frame size $xx xx xx + Text encoding $xx + Description <textstring> $00 (00) + Value <textstring> + + +4.3. URL link frames + + With these frames dynamic data such as webpages with touring + information, price information or plain ordinary news can be added to + the tag. There may only be one URL [URL] link frame of its kind in an + tag, except when stated otherwise in the frame description. If the + textstring is followed by a termination ($00 (00)) all the following + information should be ignored and not be displayed. All URL link + frames have the following format: + + URL link frame "W00" - "WZZ" , excluding "WXX" + (described in 4.3.2.) + Frame size $xx xx xx + URL <textstring> + + +4.3.1. URL link frames - details + + WAF + The 'Official audio file webpage' frame is a URL pointing at a file + specific webpage. + + WAR + The 'Official artist/performer webpage' frame is a URL pointing at + the artists official webpage. There may be more than one "WAR" frame + in a tag if the audio contains more than one performer. + + WAS + The 'Official audio source webpage' frame is a URL pointing at the + official webpage for the source of the audio file, e.g. a movie. + + WCM + The 'Commercial information' frame is a URL pointing at a webpage + with information such as where the album can be bought. There may be + more than one "WCM" frame in a tag. + + WCP + The 'Copyright/Legal information' frame is a URL pointing at a + webpage where the terms of use and ownership of the file is described. + + WPB + The 'Publishers official webpage' frame is a URL pointing at the + official wepage for the publisher. + + +4.3.2. User defined URL link frame + + This frame is intended for URL [URL] links concerning the audiofile in + a similar way to the other "W"xx frames. The frame body consists of a + description of the string, represented as a terminated string, + followed by the actual URL. The URL is always encoded with ISO-8859-1 + [ISO-8859-1]. There may be more than one "WXX" frame in each tag, but + only one with the same description. + + User defined... "WXX" + Frame size $xx xx xx + Text encoding $xx + Description <textstring> $00 (00) + URL <textstring> + + +4.4. Involved people list + + Since there might be a lot of people contributing to an audio file in + various ways, such as musicians and technicians, the 'Text + information frames' are often insufficient to list everyone involved + in a project. The 'Involved people list' is a frame containing the + names of those involved, and how they were involved. The body simply + contains a terminated string with the involvement directly followed by + a terminated string with the involvee followed by a new involvement + and so on. There may only be one "IPL" frame in each tag. + + Involved people list "IPL" + Frame size $xx xx xx + Text encoding $xx + People list strings <textstrings> + + +4.5. Music CD Identifier + + This frame is intended for music that comes from a CD, so that the CD + can be identified in databases such as the CDDB [CDDB]. The frame + consists of a binary dump of the Table Of Contents, TOC, from the CD, + which is a header of 4 bytes and then 8 bytes/track on the CD making a + maximum of 804 bytes. This frame requires a present and valid "TRK" + frame. There may only be one "MCI" frame in each tag. + + Music CD identifier "MCI" + Frame size $xx xx xx + CD TOC <binary data> + + +4.6. Event timing codes + + This frame allows synchronisation with key events in a song or sound. + The head is: + + Event timing codes "ETC" + Frame size $xx xx xx + Time stamp format $xx + + Where time stamp format is: + + $01 Absolute time, 32 bit sized, using MPEG [MPEG] frames as unit + $02 Absolute time, 32 bit sized, using milliseconds as unit + + Abolute time means that every stamp contains the time from the + beginning of the file. + + Followed by a list of key events in the following format: + + Type of event $xx + Time stamp $xx (xx ...) + + The 'Time stamp' is set to zero if directly at the beginning of the + sound or after the previous event. All events should be sorted in + chronological order. The type of event is as follows: + + $00 padding (has no meaning) + $01 end of initial silence + $02 intro start + $03 mainpart start + $04 outro start + $05 outro end + $06 verse begins + $07 refrain begins + $08 interlude + $09 theme start + $0A variation + $0B key change + $0C time change + $0D unwanted noise (Snap, Crackle & Pop) + + $0E-$DF reserved for future use + + $E0-$EF not predefined sync 0-F + + $F0-$FC reserved for future use + + $FD audio end (start of silence) + $FE audio file ends + $FF one more byte of events follows (all the following bytes with + the value $FF have the same function) + + The 'Not predefined sync's ($E0-EF) are for user events. You might + want to synchronise your music to something, like setting of an + explosion on-stage, turning on your screensaver etc. + + There may only be one "ETC" frame in each tag. + + +4.7. MPEG location lookup table + + To increase performance and accuracy of jumps within a MPEG [MPEG] + audio file, frames with timecodes in different locations in the file + might be useful. The ID3 frame includes references that the software + can use to calculate positions in the file. After the frame header is + a descriptor of how much the 'frame counter' should increase for every + reference. If this value is two then the first reference points out + the second frame, the 2nd reference the 4th frame, the 3rd reference + the 6th frame etc. In a similar way the 'bytes between reference' and + 'milliseconds between reference' points out bytes and milliseconds + respectively. + + Each reference consists of two parts; a certain number of bits, as + defined in 'bits for bytes deviation', that describes the difference + between what is said in 'bytes between reference' and the reality and + a certain number of bits, as defined in 'bits for milliseconds + deviation', that describes the difference between what is said in + 'milliseconds between reference' and the reality. The number of bits + in every reference, i.e. 'bits for bytes deviation'+'bits for + milliseconds deviation', must be a multiple of four. There may only be + one "MLL" frame in each tag. + + Location lookup table "MLL" + ID3 frame size $xx xx xx + MPEG frames between reference $xx xx + Bytes between reference $xx xx xx + Milliseconds between reference $xx xx xx + Bits for bytes deviation $xx + Bits for milliseconds dev. $xx + + Then for every reference the following data is included; + + Deviation in bytes %xxx.... + Deviation in milliseconds %xxx.... + + +4.8. Synced tempo codes + + For a more accurate description of the tempo of a musical piece this + frame might be used. After the header follows one byte describing + which time stamp format should be used. Then follows one or more tempo + codes. Each tempo code consists of one tempo part and one time part. + The tempo is in BPM described with one or two bytes. If the first byte + has the value $FF, one more byte follows, which is added to the first + giving a range from 2 - 510 BPM, since $00 and $01 is reserved. $00 is + used to describe a beat-free time period, which is not the same as a + music-free time period. $01 is used to indicate one single beat-stroke + followed by a beat-free period. + + The tempo descriptor is followed by a time stamp. Every time the tempo + in the music changes, a tempo descriptor may indicate this for the + player. All tempo descriptors should be sorted in chronological order. + The first beat-stroke in a time-period is at the same time as the beat + description occurs. There may only be one "STC" frame in each tag. + + Synced tempo codes "STC" + Frame size $xx xx xx + Time stamp format $xx + Tempo data <binary data> + + Where time stamp format is: + + $01 Absolute time, 32 bit sized, using MPEG [MPEG] frames as unit + $02 Absolute time, 32 bit sized, using milliseconds as unit + + Abolute time means that every stamp contains the time from the + beginning of the file. + + +4.9. Unsychronised lyrics/text transcription + + This frame contains the lyrics of the song or a text transcription of + other vocal activities. The head includes an encoding descriptor and + a content descriptor. The body consists of the actual text. The + 'Content descriptor' is a terminated string. If no descriptor is + entered, 'Content descriptor' is $00 (00) only. Newline characters + are allowed in the text. Maximum length for the descriptor is 64 + bytes. There may be more than one lyrics/text frame in each tag, but + only one with the same language and content descriptor. + + Unsynced lyrics/text "ULT" + Frame size $xx xx xx + Text encoding $xx + Language $xx xx xx + Content descriptor <textstring> $00 (00) + Lyrics/text <textstring> + + +4.10. Synchronised lyrics/text + + This is another way of incorporating the words, said or sung lyrics, + in the audio file as text, this time, however, in sync with the audio. + It might also be used to describing events e.g. occurring on a stage + or on the screen in sync with the audio. The header includes a content + descriptor, represented with as terminated textstring. If no + descriptor is entered, 'Content descriptor' is $00 (00) only. + + Synced lyrics/text "SLT" + Frame size $xx xx xx + Text encoding $xx + Language $xx xx xx + Time stamp format $xx + Content type $xx + Content descriptor <textstring> $00 (00) + + + Encoding: $00 ISO-8859-1 [ISO-8859-1] character set is used => $00 + is sync identifier. + $01 Unicode [UNICODE] character set is used => $00 00 is + sync identifier. + + Content type: $00 is other + $01 is lyrics + $02 is text transcription + $03 is movement/part name (e.g. "Adagio") + $04 is events (e.g. "Don Quijote enters the stage") + $05 is chord (e.g. "Bb F Fsus") + + Time stamp format is: + + $01 Absolute time, 32 bit sized, using MPEG [MPEG] frames as unit + $02 Absolute time, 32 bit sized, using milliseconds as unit + + Abolute time means that every stamp contains the time from the + beginning of the file. + + The text that follows the frame header differs from that of the + unsynchronised lyrics/text transcription in one major way. Each + syllable (or whatever size of text is considered to be convenient by + the encoder) is a null terminated string followed by a time stamp + denoting where in the sound file it belongs. Each sync thus has the + following structure: + + Terminated text to be synced (typically a syllable) + Sync identifier (terminator to above string) $00 (00) + Time stamp $xx (xx ...) + + The 'time stamp' is set to zero or the whole sync is omitted if + located directly at the beginning of the sound. All time stamps should + be sorted in chronological order. The sync can be considered as a + validator of the subsequent string. + + Newline characters are allowed in all "SLT" frames and should be used + after every entry (name, event etc.) in a frame with the content type + $03 - $04. + + A few considerations regarding whitespace characters: Whitespace + separating words should mark the beginning of a new word, thus + occurring in front of the first syllable of a new word. This is also + valid for new line characters. A syllable followed by a comma should + not be broken apart with a sync (both the syllable and the comma + should be before the sync). + + An example: The "ULT" passage + + "Strangers in the night" $0A "Exchanging glances" + + would be "SLT" encoded as: + + "Strang" $00 xx xx "ers" $00 xx xx " in" $00 xx xx " the" $00 xx xx + " night" $00 xx xx 0A "Ex" $00 xx xx "chang" $00 xx xx "ing" $00 xx + xx "glan" $00 xx xx "ces" $00 xx xx + + There may be more than one "SLT" frame in each tag, but only one with + the same language and content descriptor. + + +4.11. Comments + + This frame replaces the old 30-character comment field in ID3v1. It + consists of a frame head followed by encoding, language and content + descriptors and is ended with the actual comment as a text string. + Newline characters are allowed in the comment text string. There may + be more than one comment frame in each tag, but only one with the same + language and content descriptor. + + Comment "COM" + Frame size $xx xx xx + Text encoding $xx + Language $xx xx xx + Short content description <textstring> $00 (00) + The actual text <textstring> + + +4.12. Relative volume adjustment + + This is a more subjective function than the previous ones. It allows + the user to say how much he wants to increase/decrease the volume on + each channel while the file is played. The purpose is to be able to + align all files to a reference volume, so that you don't have to + change the volume constantly. This frame may also be used to balance + adjust the audio. If the volume peak levels are known then this could + be described with the 'Peak volume right' and 'Peak volume left' + field. If Peakvolume is not known these fields could be left zeroed + or completely omitted. There may only be one "RVA" frame in each + tag. + + Relative volume adjustment "RVA" + Frame size $xx xx xx + Increment/decrement %000000xx + Bits used for volume descr. $xx + Relative volume change, right $xx xx (xx ...) + Relative volume change, left $xx xx (xx ...) + Peak volume right $xx xx (xx ...) + Peak volume left $xx xx (xx ...) + + In the increment/decrement field bit 0 is used to indicate the right + channel and bit 1 is used to indicate the left channel. 1 is + increment and 0 is decrement. + + The 'bits used for volume description' field is normally $10 (16 bits) + for MPEG 2 layer I, II and III [MPEG] and MPEG 2.5. This value may not + be $00. The volume is always represented with whole bytes, padded in + the beginning (highest bits) when 'bits used for volume description' + is not a multiple of eight. + + +4.13. Equalisation + + This is another subjective, alignment frame. It allows the user to + predefine an equalisation curve within the audio file. There may only + be one "EQU" frame in each tag. + + Equalisation "EQU" + Frame size $xx xx xx + Adjustment bits $xx + + The 'adjustment bits' field defines the number of bits used for + representation of the adjustment. This is normally $10 (16 bits) for + MPEG 2 layer I, II and III [MPEG] and MPEG 2.5. This value may not be + $00. + + This is followed by 2 bytes + ('adjustment bits' rounded up to the + nearest byte) for every equalisation band in the following format, + giving a frequency range of 0 - 32767Hz: + + Increment/decrement %x (MSB of the Frequency) + Frequency (lower 15 bits) + Adjustment $xx (xx ...) + + The increment/decrement bit is 1 for increment and 0 for decrement. + The equalisation bands should be ordered increasingly with reference + to frequency. All frequencies don't have to be declared. Adjustments + with the value $00 should be omitted. A frequency should only be + described once in the frame. + + +4.14. Reverb + + Yet another subjective one. You may here adjust echoes of different + kinds. Reverb left/right is the delay between every bounce in ms. + Reverb bounces left/right is the number of bounces that should be + made. $FF equals an infinite number of bounces. Feedback is the amount + of volume that should be returned to the next echo bounce. $00 is 0%, + $FF is 100%. If this value were $7F, there would be 50% volume + reduction on the first bounce, yet 50% on the second and so on. Left + to left means the sound from the left bounce to be played in the left + speaker, while left to right means sound from the left bounce to be + played in the right speaker. + + 'Premix left to right' is the amount of left sound to be mixed in the + right before any reverb is applied, where $00 id 0% and $FF is 100%. + 'Premix right to left' does the same thing, but right to left. Setting + both premix to $FF would result in a mono output (if the reverb is + applied symmetric). There may only be one "REV" frame in each tag. + + Reverb settings "REV" + Frame size $00 00 0C + Reverb left (ms) $xx xx + Reverb right (ms) $xx xx + Reverb bounces, left $xx + Reverb bounces, right $xx + Reverb feedback, left to left $xx + Reverb feedback, left to right $xx + Reverb feedback, right to right $xx + Reverb feedback, right to left $xx + Premix left to right $xx + Premix right to left $xx + + +4.15. Attached picture + + This frame contains a picture directly related to the audio file. + Image format is preferably "PNG" [PNG] or "JPG" [JFIF]. Description + is a short description of the picture, represented as a terminated + textstring. The description has a maximum length of 64 characters, + but may be empty. There may be several pictures attached to one file, + each in their individual "PIC" frame, but only one with the same + content descriptor. There may only be one picture with the picture + type declared as picture type $01 and $02 respectively. There is a + possibility to put only a link to the image file by using the 'image + format' "-->" and having a complete URL [URL] instead of picture data. + The use of linked files should however be used restrictively since + there is the risk of separation of files. + + Attached picture "PIC" + Frame size $xx xx xx + Text encoding $xx + Image format $xx xx xx + Picture type $xx + Description <textstring> $00 (00) + Picture data <binary data> + + + Picture type: $00 Other + $01 32x32 pixels 'file icon' (PNG only) + $02 Other file icon + $03 Cover (front) + $04 Cover (back) + $05 Leaflet page + $06 Media (e.g. lable side of CD) + $07 Lead artist/lead performer/soloist + $08 Artist/performer + $09 Conductor + $0A Band/Orchestra + $0B Composer + $0C Lyricist/text writer + $0D Recording Location + $0E During recording + $0F During performance + $10 Movie/video screen capture + $11 A bright coloured fish + $12 Illustration + $13 Band/artist logotype + $14 Publisher/Studio logotype + + +4.16. General encapsulated object + + In this frame any type of file can be encapsulated. After the header, + 'Frame size' and 'Encoding' follows 'MIME type' [MIME] and 'Filename' + for the encapsulated object, both represented as terminated strings + encoded with ISO 8859-1 [ISO-8859-1]. The filename is case sensitive. + Then follows a content description as terminated string, encoded as + 'Encoding'. The last thing in the frame is the actual object. The + first two strings may be omitted, leaving only their terminations. + MIME type is always an ISO-8859-1 text string. There may be more than + one "GEO" frame in each tag, but only one with the same content + descriptor. + + General encapsulated object "GEO" + Frame size $xx xx xx + Text encoding $xx + MIME type <textstring> $00 + Filename <textstring> $00 (00) + Content description <textstring> $00 (00) + Encapsulated object <binary data> + + +4.17. Play counter + + This is simply a counter of the number of times a file has been + played. The value is increased by one every time the file begins to + play. There may only be one "CNT" frame in each tag. When the counter + reaches all one's, one byte is inserted in front of the counter thus + making the counter eight bits bigger. The counter must be at least + 32-bits long to begin with. + + Play counter "CNT" + Frame size $xx xx xx + Counter $xx xx xx xx (xx ...) + + +4.18. Popularimeter + + The purpose of this frame is to specify how good an audio file is. + Many interesting applications could be found to this frame such as a + playlist that features better audiofiles more often than others or it + could be used to profile a persons taste and find other 'good' files + by comparing people's profiles. The frame is very simple. It contains + the email address to the user, one rating byte and a four byte play + counter, intended to be increased with one for every time the file is + played. The email is a terminated string. The rating is 1-255 where + 1 is worst and 255 is best. 0 is unknown. If no personal counter is + wanted it may be omitted. When the counter reaches all one's, one + byte is inserted in front of the counter thus making the counter + eight bits bigger in the same away as the play counter ("CNT"). + There may be more than one "POP" frame in each tag, but only one with + the same email address. + + Popularimeter "POP" + Frame size $xx xx xx + Email to user <textstring> $00 + Rating $xx + Counter $xx xx xx xx (xx ...) + + +4.19. Recommended buffer size + + Sometimes the server from which a audio file is streamed is aware of + transmission or coding problems resulting in interruptions in the + audio stream. In these cases, the size of the buffer can be + recommended by the server using this frame. If the 'embedded info + flag' is true (1) then this indicates that an ID3 tag with the + maximum size described in 'Buffer size' may occur in the audiostream. + In such case the tag should reside between two MPEG [MPEG] frames, if + the audio is MPEG encoded. If the position of the next tag is known, + 'offset to next tag' may be used. The offset is calculated from the + end of tag in which this frame resides to the first byte of the header + in the next. This field may be omitted. Embedded tags is currently not + recommended since this could render unpredictable behaviour from + present software/hardware. The 'Buffer size' should be kept to a + minimum. There may only be one "BUF" frame in each tag. + + Recommended buffer size "BUF" + Frame size $xx xx xx + Buffer size $xx xx xx + Embedded info flag %0000000x + Offset to next tag $xx xx xx xx + + +4.20. Encrypted meta frame + + This frame contains one or more encrypted frames. This enables + protection of copyrighted information such as pictures and text, that + people might want to pay extra for. Since standardisation of such an + encryption scheme is beyond this document, all "CRM" frames begin with + a terminated string with a URL [URL] containing an email address, or a + link to a location where an email adress can be found, that belongs to + the organisation responsible for this specific encrypted meta frame. + + Questions regarding the encrypted frame should be sent to the + indicated email address. If a $00 is found directly after the 'Frame + size', the whole frame should be ignored, and preferably be removed. + The 'Owner identifier' is then followed by a short content description + and explanation as to why it's encrypted. After the + 'content/explanation' description, the actual encrypted block follows. + + When an ID3v2 decoder encounters a "CRM" frame, it should send the + datablock to the 'plugin' with the corresponding 'owner identifier' + and expect to receive either a datablock with one or several ID3v2 + frames after each other or an error. There may be more than one "CRM" + frames in a tag, but only one with the same 'owner identifier'. + + Encrypted meta frame "CRM" + Frame size $xx xx xx + Owner identifier <textstring> $00 (00) + Content/explanation <textstring> $00 (00) + Encrypted datablock <binary data> + + +4.21. Audio encryption + + This frame indicates if the actual audio stream is encrypted, and by + whom. Since standardisation of such encrypion scheme is beyond this + document, all "CRA" frames begin with a terminated string with a + URL containing an email address, or a link to a location where an + email address can be found, that belongs to the organisation + responsible for this specific encrypted audio file. Questions + regarding the encrypted audio should be sent to the email address + specified. If a $00 is found directly after the 'Frame size' and the + audiofile indeed is encrypted, the whole file may be considered + useless. + + After the 'Owner identifier', a pointer to an unencrypted part of the + audio can be specified. The 'Preview start' and 'Preview length' is + described in frames. If no part is unencrypted, these fields should be + left zeroed. After the 'preview length' field follows optionally a + datablock required for decryption of the audio. There may be more than + one "CRA" frames in a tag, but only one with the same 'Owner + identifier'. + + Audio encryption "CRA" + Frame size $xx xx xx + Owner identifier <textstring> $00 (00) + Preview start $xx xx + Preview length $xx xx + Encryption info <binary data> + + +4.22. Linked information + + To keep space waste as low as possible this frame may be used to link + information from another ID3v2 tag that might reside in another audio + file or alone in a binary file. It is recommended that this method is + only used when the files are stored on a CD-ROM or other circumstances + when the risk of file seperation is low. The frame contains a frame + identifier, which is the frame that should be linked into this tag, a + URL [URL] field, where a reference to the file where the frame is + given, and additional ID data, if needed. Data should be retrieved + from the first tag found in the file to which this link points. There + may be more than one "LNK" frame in a tag, but only one with the same + contents. A linked frame is to be considered as part of the tag and + has the same restrictions as if it was a physical part of the tag + (i.e. only one "REV" frame allowed, whether it's linked or not). + + Linked information "LNK" + Frame size $xx xx xx + Frame identifier $xx xx xx + URL <textstring> $00 (00) + Additional ID data <textstring(s)> + + Frames that may be linked and need no additional data are "IPL", + "MCI", "ETC", "LLT", "STC", "RVA", "EQU", "REV", "BUF", the text + information frames and the URL link frames. + + The "TXX", "PIC", "GEO", "CRM" and "CRA" frames may be linked with the + content descriptor as additional ID data. + + The "COM", "SLT" and "ULT" frames may be linked with three bytes of + language descriptor directly followed by a content descriptor as + additional ID data. + + +5. The 'unsynchronisation scheme' + + The only purpose of the 'unsychronisation scheme' is to make the ID3v2 + tag as compatible as possible with existing software. There is no use + in 'unsynchronising' tags if the file is only to be processed by new + software. Unsynchronisation may only be made with MPEG 2 layer I, II + and III and MPEG 2.5 files. + + Whenever a false synchronisation is found within the tag, one zeroed + byte is inserted after the first false synchronisation byte. The + format of a correct sync that should be altered by ID3 encoders is as + follows: + + %11111111 111xxxxx + + And should be replaced with: + + %11111111 00000000 111xxxxx + + This has the side effect that all $FF 00 combinations have to be + altered, so they won't be affected by the decoding process. Therefore + all the $FF 00 combinations have to be replaced with the $FF 00 00 + combination during the unsynchonisation. + + To indicate usage of the unsynchronisation, the first bit in 'ID3 + flags' should be set. This bit should only be set if the tag + contained a, now corrected, false synchronisation. The bit should + only be clear if the tag does not contain any false synchronisations. + + Do bear in mind, that if a compression scheme is used by the encoder, + the unsyncronisation scheme should be applied *afterwards*. When + decoding a compressed, 'unsyncronised' file, the 'unsyncronisation + scheme' should be parsed first, compression afterwards. + + +6. Copyright + + Copyright (C) Martin Nilsson 1998. All Rights Reserved. + + This document and translations of it may be copied and furnished to + others, and derivative works that comment on or otherwise explain it + or assist in its implementation may be prepared, copied, published + and distributed, in whole or in part, without restriction of any + kind, provided that a reference to this document is included on all + such copies and derivative works. However, this document itself may + not be modified in any way and reissued as the original document. + + The limited permissions granted above are perpetual and will not be + revoked. + + This document and the information contained herein is provided on an + "AS IS" basis and THE AUTHORS DISCLAIMS ALL WARRANTIES, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE + INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED + WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. + + +7. References + + [CDDB] Compact Disc Data Base + + <url:http://www.cddb.com> + + [ISO-639-2] ISO/FDIS 639-2. + Codes for the representation of names of languages, Part 2: Alpha-3 + code. Technical committee / subcommittee: TC 37 / SC 2 + + [ISO-8859-1] ISO/IEC DIS 8859-1. + 8-bit single-byte coded graphic character sets, Part 1: Latin + alphabet No. 1. Technical committee / subcommittee: JTC 1 / SC 2 + + [ISRC] ISO 3901:1986 + International Standard Recording Code (ISRC). + Technical committee / subcommittee: TC 46 / SC 9 + + [JFIF] JPEG File Interchange Format, version 1.02 + + <url:http://www.w3.org/Graphics/JPEG/jfif.txt> + + [MIME] Freed, N. and N. Borenstein, "Multipurpose Internet Mail + Extensions (MIME) Part One: Format of Internet Message Bodies", + RFC 2045, November 1996. + + <url:ftp://ftp.isi.edu/in-notes/rfc2045.txt> + + [MPEG] ISO/IEC 11172-3:1993. + Coding of moving pictures and associated audio for digital storage + media at up to about 1,5 Mbit/s, Part 3: Audio. + Technical committee / subcommittee: JTC 1 / SC 29 + and + ISO/IEC 13818-3:1995 + Generic coding of moving pictures and associated audio information, + Part 3: Audio. + Technical committee / subcommittee: JTC 1 / SC 29 + and + ISO/IEC DIS 13818-3 + Generic coding of moving pictures and associated audio information, + Part 3: Audio (Revision of ISO/IEC 13818-3:1995) + + + [PNG] Portable Network Graphics, version 1.0 + + <url:http://www.w3.org/TR/REC-png-multi.html> + + [UNICODE] ISO/IEC 10646-1:1993. + Universal Multiple-Octet Coded Character Set (UCS), Part 1: + Architecture and Basic Multilingual Plane. Technical committee + / subcommittee: JTC 1 / SC 2 + + <url:http://www.unicode.org> + + [URL] T. Berners-Lee, L. Masinter & M. McCahill, "Uniform Resource + Locators (URL).", RFC 1738, December 1994. + + <url:ftp://ftp.isi.edu/in-notes/rfc1738.txt> + + +8. Appendix + + +A. Appendix A - ID3-Tag Specification V1.1 + + ID3-Tag Specification V1.1 (12 dec 1997) by Michael Mutschler + <amiga2@info2.rus.uni-stuttgart.de>, edited for space and clarity + reasons. + + +A.1. Overview + + The ID3-Tag is an information field for MPEG Layer 3 audio files. + Since a standalone MP3 doesn't provide a method of storing other + information than those directly needed for replay reasons, the + ID3-tag was invented by Eric Kemp in 1996. + + A revision from ID3v1 to ID3v1.1 was made by Michael Mutschler to + support track number information is described in A.4. + + +A.2. ID3v1 Implementation + + The Information is stored in the last 128 bytes of an MP3. The Tag + has got the following fields, and the offsets given here, are from + 0-127. + + Field Length Offsets + Tag 3 0-2 + Songname 30 3-32 + Artist 30 33-62 + Album 30 63-92 + Year 4 93-96 + Comment 30 97-126 + Genre 1 127 + + + The string-fields contain ASCII-data, coded in ISO-Latin 1 codepage. + Strings which are smaller than the field length are padded with zero- + bytes. + + Tag: The tag is valid if this field contains the string "TAG". This + has to be uppercase! + + Songname: This field contains the title of the MP3 (string as + above). + + Artist: This field contains the artist of the MP3 (string as above). + + Album: this field contains the album where the MP3 comes from + (string as above). + + Year: this field contains the year when this song has originally + been released (string as above). + + Comment: this field contains a comment for the MP3 (string as + above). Revision to this field has been made in ID3v1.1. See + A.4. + + Genre: this byte contains the offset of a genre in a predefined + list the byte is treated as an unsigned byte. The offset is + starting from 0. See A.3. + + +A.3. Genre List + + The following genres is defined in ID3v1 + + 0.Blues + 1.Classic Rock + 2.Country + 3.Dance + 4.Disco + 5.Funk + 6.Grunge + 7.Hip-Hop + 8.Jazz + 9.Metal + 10.New Age + 11.Oldies + 12.Other + 13.Pop + 14.R&B + 15.Rap + 16.Reggae + 17.Rock + 18.Techno + 19.Industrial + 20.Alternative + 21.Ska + 22.Death Metal + 23.Pranks + 24.Soundtrack + 25.Euro-Techno + 26.Ambient + 27.Trip-Hop + 28.Vocal + 29.Jazz+Funk + 30.Fusion + 31.Trance + 32.Classical + 33.Instrumental + 34.Acid + 35.House + 36.Game + 37.Sound Clip + 38.Gospel + 39.Noise + 40.AlternRock + 41.Bass + 42.Soul + 43.Punk + 44.Space + 45.Meditative + 46.Instrumental Pop + 47.Instrumental Rock + 48.Ethnic + 49.Gothic + 50.Darkwave + 51.Techno-Industrial + 52.Electronic + 53.Pop-Folk + 54.Eurodance + 55.Dream + 56.Southern Rock + 57.Comedy + 58.Cult + 59.Gangsta + 60.Top 40 + 61.Christian Rap + 62.Pop/Funk + 63.Jungle + 64.Native American + 65.Cabaret + 66.New Wave + 67.Psychadelic + 68.Rave + 69.Showtunes + 70.Trailer + 71.Lo-Fi + 72.Tribal + 73.Acid Punk + 74.Acid Jazz + 75.Polka + 76.Retro + 77.Musical + 78.Rock & Roll + 79.Hard Rock + + The following genres are Winamp extensions + + 80.Folk + 81.Folk-Rock + 82.National Folk + 83.Swing + 84.Fast Fusion + 85.Bebob + 86.Latin + 87.Revival + 88.Celtic + 89.Bluegrass + 90.Avantgarde + 91.Gothic Rock + 92.Progressive Rock + 93.Psychedelic Rock + 94.Symphonic Rock + 95.Slow Rock + 96.Big Band + 97.Chorus + 98.Easy Listening + 99.Acoustic + 100.Humour + 101.Speech + 102.Chanson + 103.Opera + 104.Chamber Music + 105.Sonata + 106.Symphony + 107.Booty Bass + 108.Primus + 109.Porn Groove + 110.Satire + 111.Slow Jam + 112.Club + 113.Tango + 114.Samba + 115.Folklore + 116.Ballad + 117.Power Ballad + 118.Rhythmic Soul + 119.Freestyle + 120.Duet + 121.Punk Rock + 122.Drum Solo + 123.A capella + 124.Euro-House + 125.Dance Hall + + +A.4. Track addition - ID3v1.1 + + In ID3v1.1, Michael Mutschler revised the specification of the + comment field in order to implement the track number. The new format + of the comment field is a 28 character string followed by a mandatory + null ($00) character and the original album tracknumber stored as an + unsigned byte-size integer. In such cases where the 29th byte is not + the null character or when the 30th is a null character, the + tracknumber is to be considered undefined. + + +9. Author's Address + + Martin Nilsson + Rydsvägen 246 C. 30 + S-584 34 Linköping + Sweden + + Email: nilsson@id3.org + + Co-authors: + + Johan Sundström Email: johan@id3.org + + diff --git a/libs/taglib/taglib/mpeg/id3v2/id3v2.3.0.txt b/libs/taglib/taglib/mpeg/id3v2/id3v2.3.0.txt new file mode 100644 index 0000000000..b4ed763ee1 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/id3v2.3.0.txt @@ -0,0 +1,2022 @@ +Informal standard M. Nilsson +Document: id3v2.3.0.txt 3rd February 1999 + + + ID3 tag version 2.3.0 + +Status of this document + + This document is an informal standard and replaces the ID3v2.2.0 + standard [ID3v2]. The informal standard is released so that + implementors could have a set standard before a formal standard is + set. The formal standard will use another version or revision number + if not identical to what is described in this document. The contents + in this document may change for clarifications but never for added or + altered functionallity. + + Distribution of this document is unlimited. + + +Abstract + + This document describes the ID3v2.3.0, which is a more developed + version of the ID3v2 informal standard [ID3v2] (version 2.2.0), + evolved from the ID3 tagging system. The ID3v2 offers a flexible way + of storing information about an audio file within itself to determine + its origin and contents. The information may be technical + information, such as equalisation curves, as well as related meta + information, such as title, performer, copyright etc. + + +1. Table of contents + + 2. Conventions in this document + 3. ID3v2 overview + 3.1. ID3v2 header + 3.2. ID3v2 extended header + 3.3. ID3v2 frames overview + 3.3.1. Frame header flags + 3.3.2. Default flags + 4. Declared ID3v2 frames + 4.1. Unique file identifier + 4.2. Text information frames + 4.2.1. Text information frames - details + 4.2.2. User defined text information frame + 4.3. URL link frames + 4.3.1. URL link frames - details + 4.3.2. User defined URL link frame + 4.4. Involved people list + 4.5. Music CD Identifier + 4.6. Event timing codes + 4.7. MPEG location lookup table + 4.8. Synced tempo codes + 4.9. Unsychronised lyrics/text transcription + 4.10. Synchronised lyrics/text + 4.11. Comments + 4.12. Relative volume adjustment + 4.13. Equalisation + 4.14. Reverb + 4.15. Attached picture + 4.16. General encapsulated object + 4.17. Play counter + 4.18. Popularimeter + 4.19. Recommended buffer size + 4.20. Audio encryption + 4.21. Linked information + 4.22. Position synchronisation frame + 4.23. Terms of use + 4.24. Ownership frame + 4.25. Commercial frame + 4.26. Encryption method registration + 4.27. Group identification registration + 4.28. Private frame + 5. The 'unsynchronisation scheme' + 6. Copyright + 7. References + 8. Appendix + A. Appendix A - Genre List from ID3v1 + 9. Author's Address + + +2. Conventions in this document + + In the examples, text within "" is a text string exactly as it + appears in a file. Numbers preceded with $ are hexadecimal and + numbers preceded with % are binary. $xx is used to indicate a byte + with unknown content. %x is used to indicate a bit with unknown + content. The most significant bit (MSB) of a byte is called 'bit 7' + and the least significant bit (LSB) is called 'bit 0'. + + A tag is the whole tag described in this document. A frame is a block + of information in the tag. The tag consists of a header, frames and + optional padding. A field is a piece of information; one value, a + string etc. A numeric string is a string that consists of the + characters 0-9 only. + + +3. ID3v2 overview + + The two biggest design goals were to be able to implement ID3v2 + without disturbing old software too much and that ID3v2 should be + as flexible and expandable as possible. + + The first criterion is met by the simple fact that the MPEG [MPEG] + decoding software uses a syncsignal, embedded in the audiostream, to + 'lock on to' the audio. Since the ID3v2 tag doesn't contain a valid + syncsignal, no software will attempt to play the tag. If, for any + reason, coincidence make a syncsignal appear within the tag it will + be taken care of by the 'unsynchronisation scheme' described in + section 5. + + The second criterion has made a more noticeable impact on the design + of the ID3v2 tag. It is constructed as a container for several + information blocks, called frames, whose format need not be known to + the software that encounters them. At the start of every frame there + is an identifier that explains the frames' format and content, and a + size descriptor that allows software to skip unknown frames. + + If a total revision of the ID3v2 tag should be needed, there is a + version number and a size descriptor in the ID3v2 header. + + The ID3 tag described in this document is mainly targeted at files + encoded with MPEG-1/2 layer I, MPEG-1/2 layer II, MPEG-1/2 layer III + and MPEG-2.5, but may work with other types of encoded audio. + + The bitorder in ID3v2 is most significant bit first (MSB). The + byteorder in multibyte numbers is most significant byte first (e.g. + $12345678 would be encoded $12 34 56 78). + + It is permitted to include padding after all the final frame (at the + end of the ID3 tag), making the size of all the frames together + smaller than the size given in the head of the tag. A possible + purpose of this padding is to allow for adding a few additional + frames or enlarge existing frames within the tag without having to + rewrite the entire file. The value of the padding bytes must be $00. + + +3.1. ID3v2 header + + The ID3v2 tag header, which should be the first information in the + file, is 10 bytes as follows: + + ID3v2/file identifier "ID3" + ID3v2 version $03 00 + ID3v2 flags %abc00000 + ID3v2 size 4 * %0xxxxxxx + + The first three bytes of the tag are always "ID3" to indicate that + this is an ID3v2 tag, directly followed by the two version bytes. The + first byte of ID3v2 version is it's major version, while the second + byte is its revision number. In this case this is ID3v2.3.0. All + revisions are backwards compatible while major versions are not. If + software with ID3v2.2.0 and below support should encounter version + three or higher it should simply ignore the whole tag. Version and + revision will never be $FF. + + The version is followed by one the ID3v2 flags field, of which + currently only three flags are used. + + + a - Unsynchronisation + + Bit 7 in the 'ID3v2 flags' indicates whether or not + unsynchronisation is used (see section 5 for details); a set bit + indicates usage. + + + b - Extended header + + The second bit (bit 6) indicates whether or not the header is + followed by an extended header. The extended header is described in + section 3.2. + + + c - Experimental indicator + + The third bit (bit 5) should be used as an 'experimental + indicator'. This flag should always be set when the tag is in an + experimental stage. + + All the other flags should be cleared. If one of these undefined + flags are set that might mean that the tag is not readable for a + parser that does not know the flags function. + + The ID3v2 tag size is encoded with four bytes where the most + significant bit (bit 7) is set to zero in every byte, making a total + of 28 bits. The zeroed bits are ignored, so a 257 bytes long tag is + represented as $00 00 02 01. + + The ID3v2 tag size is the size of the complete tag after + unsychronisation, including padding, excluding the header but not + excluding the extended header (total tag size - 10). Only 28 bits + (representing up to 256MB) are used in the size description to avoid + the introducuction of 'false syncsignals'. + + An ID3v2 tag can be detected with the following pattern: + $49 44 33 yy yy xx zz zz zz zz + Where yy is less than $FF, xx is the 'flags' byte and zz is less than + $80. + + +3.2. ID3v2 extended header + + The extended header contains information that is not vital to the + correct parsing of the tag information, hence the extended header is + optional. + + Extended header size $xx xx xx xx + Extended Flags $xx xx + Size of padding $xx xx xx xx + + Where the 'Extended header size', currently 6 or 10 bytes, excludes + itself. The 'Size of padding' is simply the total tag size excluding + the frames and the headers, in other words the padding. The extended + header is considered separate from the header proper, and as such is + subject to unsynchronisation. + + The extended flags are a secondary flag set which describes further + attributes of the tag. These attributes are currently defined as + follows + + %x0000000 00000000 + + + x - CRC data present + + If this flag is set four bytes of CRC-32 data is appended to the + extended header. The CRC should be calculated before + unsynchronisation on the data between the extended header and the + padding, i.e. the frames and only the frames. + + Total frame CRC $xx xx xx xx + + +3.3. ID3v2 frame overview + + As the tag consists of a tag header and a tag body with one or more + frames, all the frames consists of a frame header followed by one or + more fields containing the actual information. The layout of the + frame header: + + Frame ID $xx xx xx xx (four characters) + Size $xx xx xx xx + Flags $xx xx + + The frame ID made out of the characters capital A-Z and 0-9. + Identifiers beginning with "X", "Y" and "Z" are for experimental use + and free for everyone to use, without the need to set the + experimental bit in the tag header. Have in mind that someone else + might have used the same identifier as you. All other identifiers are + either used or reserved for future use. + + The frame ID is followed by a size descriptor, making a total header + size of ten bytes in every frame. The size is calculated as frame + size excluding frame header (frame size - 10). + + In the frame header the size descriptor is followed by two flags + bytes. These flags are described in section 3.3.1. + + There is no fixed order of the frames' appearance in the tag, + although it is desired that the frames are arranged in order of + significance concerning the recognition of the file. An example of + such order: UFID, TIT2, MCDI, TRCK ... + + A tag must contain at least one frame. A frame must be at least 1 + byte big, excluding the header. + + If nothing else is said a string is represented as ISO-8859-1 + [ISO-8859-1] characters in the range $20 - $FF. Such strings are + represented as <text string>, or <full text string> if newlines are + allowed, in the frame descriptions. All Unicode strings [UNICODE] use + 16-bit unicode 2.0 (ISO/IEC 10646-1:1993, UCS-2). Unicode strings + must begin with the Unicode BOM ($FF FE or $FE FF) to identify the + byte order. + + All numeric strings and URLs [URL] are always encoded as ISO-8859-1. + Terminated strings are terminated with $00 if encoded with ISO-8859-1 + and $00 00 if encoded as unicode. If nothing else is said newline + character is forbidden. In ISO-8859-1 a new line is represented, when + allowed, with $0A only. Frames that allow different types of text + encoding have a text encoding description byte directly after the + frame size. If ISO-8859-1 is used this byte should be $00, if Unicode + is used it should be $01. Strings dependent on encoding is + represented as <text string according to encoding>, or <full text + string according to encoding> if newlines are allowed. Any empty + Unicode strings which are NULL-terminated may have the Unicode BOM + followed by a Unicode NULL ($FF FE 00 00 or $FE FF 00 00). + + The three byte language field is used to describe the language of the + frame's content, according to ISO-639-2 [ISO-639-2]. + + All URLs [URL] may be relative, e.g. "picture.png", "../doc.txt". + + If a frame is longer than it should be, e.g. having more fields than + specified in this document, that indicates that additions to the + frame have been made in a later version of the ID3v2 standard. This + is reflected by the revision number in the header of the tag. + + +3.3.1. Frame header flags + + In the frame header the size descriptor is followed by two flags + bytes. All unused flags must be cleared. The first byte is for + 'status messages' and the second byte is for encoding purposes. If an + unknown flag is set in the first byte the frame may not be changed + without the bit cleared. If an unknown flag is set in the second byte + it is likely to not be readable. The flags field is defined as + follows. + + %abc00000 %ijk00000 + + + a - Tag alter preservation + + This flag tells the software what to do with this frame if it is + unknown and the tag is altered in any way. This applies to all + kinds of alterations, including adding more padding and reordering + the frames. + + 0 Frame should be preserved. + 1 Frame should be discarded. + + + b - File alter preservation + + This flag tells the software what to do with this frame if it is + unknown and the file, excluding the tag, is altered. This does not + apply when the audio is completely replaced with other audio data. + + 0 Frame should be preserved. + 1 Frame should be discarded. + + + c - Read only + + This flag, if set, tells the software that the contents of this + frame is intended to be read only. Changing the contents might + break something, e.g. a signature. If the contents are changed, + without knowledge in why the frame was flagged read only and + without taking the proper means to compensate, e.g. recalculating + the signature, the bit should be cleared. + + + i - Compression + + This flag indicates whether or not the frame is compressed. + + 0 Frame is not compressed. + 1 Frame is compressed using zlib [zlib] with 4 bytes for + 'decompressed size' appended to the frame header. + + + j - Encryption + + This flag indicates wether or not the frame is enrypted. If set + one byte indicating with which method it was encrypted will be + appended to the frame header. See section 4.26. for more + information about encryption method registration. + + 0 Frame is not encrypted. + 1 Frame is encrypted. + + + k - Grouping identity + + This flag indicates whether or not this frame belongs in a group + with other frames. If set a group identifier byte is added to the + frame header. Every frame with the same group identifier belongs + to the same group. + + 0 Frame does not contain group information + 1 Frame contains group information + + + Some flags indicates that the frame header is extended with + additional information. This information will be added to the frame + header in the same order as the flags indicating the additions. I.e. + the four bytes of decompressed size will preceed the encryption + method byte. These additions to the frame header, while not included + in the frame header size but are included in the 'frame size' field, + are not subject to encryption or compression. + + +3.3.2. Default flags + + The default settings for the frames described in this document can be + divided into the following classes. The flags may be set differently + if found more suitable by the software. + + 1. Discarded if tag is altered, discarded if file is altered. + + None. + + 2. Discarded if tag is altered, preserved if file is altered. + + None. + + 3. Preserved if tag is altered, discarded if file is altered. + + AENC, ETCO, EQUA, MLLT, POSS, SYLT, SYTC, RVAD, TENC, TLEN, TSIZ + + 4. Preserved if tag is altered, preserved if file is altered. + + The rest of the frames. + + +4. Declared ID3v2 frames + + The following frames are declared in this draft. + + 4.21 AENC Audio encryption + 4.15 APIC Attached picture + + 4.11 COMM Comments + 4.25 COMR Commercial frame + + 4.26 ENCR Encryption method registration + 4.13 EQUA Equalization + 4.6 ETCO Event timing codes + + 4.16 GEOB General encapsulated object + 4.27 GRID Group identification registration + + 4.4 IPLS Involved people list + + 4.21 LINK Linked information + + 4.5 MCDI Music CD identifier + 4.7 MLLT MPEG location lookup table + + 4.24 OWNE Ownership frame + + 4.28. PRIV Private frame + 4.17 PCNT Play counter + 4.18 POPM Popularimeter + 4.22 POSS Position synchronisation frame + + 4.19 RBUF Recommended buffer size + 4.12 RVAD Relative volume adjustment + 4.14 RVRB Reverb + + 4.10 SYLT Synchronized lyric/text + 4.8 SYTC Synchronized tempo codes + + 4.2.1 TALB Album/Movie/Show title + 4.2.1 TBPM BPM (beats per minute) + 4.2.1 TCOM Composer + 4.2.1 TCON Content type + 4.2.1 TCOP Copyright message + 4.2.1 TDAT Date + 4.2.1 TDLY Playlist delay + 4.2.1 TENC Encoded by + 4.2.1 TEXT Lyricist/Text writer + 4.2.1 TFLT File type + 4.2.1 TIME Time + 4.2.1 TIT1 Content group description + 4.2.1 TIT2 Title/songname/content description + 4.2.1 TIT3 Subtitle/Description refinement + 4.2.1 TKEY Initial key + 4.2.1 TLAN Language(s) + 4.2.1 TLEN Length + 4.2.1 TMED Media type + 4.2.1 TOAL Original album/movie/show title + 4.2.1 TOFN Original filename + 4.2.1 TOLY Original lyricist(s)/text writer(s) + 4.2.1 TOPE Original artist(s)/performer(s) + 4.2.1 TORY Original release year + 4.2.1 TOWN File owner/licensee + 4.2.1 TPE1 Lead performer(s)/Soloist(s) + 4.2.1 TPE2 Band/orchestra/accompaniment + 4.2.1 TPE3 Conductor/performer refinement + 4.2.1 TPE4 Interpreted, remixed, or otherwise modified by + 4.2.1 TPOS Part of a set + 4.2.1 TPUB Publisher + 4.2.1 TRCK Track number/Position in set + 4.2.1 TRDA Recording dates + 4.2.1 TRSN Internet radio station name + 4.2.1 TRSO Internet radio station owner + 4.2.1 TSIZ Size + 4.2.1 TSRC ISRC (international standard recording code) + 4.2.1 TSSE Software/Hardware and settings used for encoding + 4.2.1 TYER Year + 4.2.2 TXXX User defined text information frame + + 4.1 UFID Unique file identifier + 4.23 USER Terms of use + 4.9 USLT Unsychronized lyric/text transcription + + 4.3.1 WCOM Commercial information + 4.3.1 WCOP Copyright/Legal information + 4.3.1 WOAF Official audio file webpage + 4.3.1 WOAR Official artist/performer webpage + 4.3.1 WOAS Official audio source webpage + 4.3.1 WORS Official internet radio station homepage + 4.3.1 WPAY Payment + 4.3.1 WPUB Publishers official webpage + 4.3.2 WXXX User defined URL link frame + + +4.1. Unique file identifier + + This frame's purpose is to be able to identify the audio file in a + database that may contain more information relevant to the content. + Since standardisation of such a database is beyond this document, all + frames begin with a null-terminated string with a URL [URL] + containing an email address, or a link to a location where an email + address can be found, that belongs to the organisation responsible + for this specific database implementation. Questions regarding the + database should be sent to the indicated email address. The URL + should not be used for the actual database queries. The string + "<a href="http://www.id3.org/dummy/ufid.html">http://www.id3.org/dummy/ufid.html</a>" should be used for tests. + Software that isn't told otherwise may safely remove such frames. The + 'Owner identifier' must be non-empty (more than just a termination). + The 'Owner identifier' is then followed by the actual identifier, + which may be up to 64 bytes. There may be more than one "UFID" frame + in a tag, but only one with the same 'Owner identifier'. + + <Header for 'Unique file identifier', ID: "UFID"> + Owner identifier <text string> $00 + Identifier <up to 64 bytes binary data> + + +4.2. Text information frames + + The text information frames are the most important frames, containing + information like artist, album and more. There may only be one text + information frame of its kind in an tag. If the textstring is + followed by a termination ($00 (00)) all the following information + should be ignored and not be displayed. All text frame identifiers + begin with "T". Only text frame identifiers begin with "T", with the + exception of the "TXXX" frame. All the text information frames have + the following format: + + <Header for 'Text information frame', ID: "T000" - "TZZZ", + excluding "TXXX" described in 4.2.2.> + Text encoding $xx + Information <text string according to encoding> + + +4.2.1. Text information frames - details + + TALB + The 'Album/Movie/Show title' frame is intended for the title of the + recording(/source of sound) which the audio in the file is taken + from. + + TBPM + The 'BPM' frame contains the number of beats per minute in the + mainpart of the audio. The BPM is an integer and represented as a + numerical string. + + TCOM + The 'Composer(s)' frame is intended for the name of the composer(s). + They are seperated with the "/" character. + + TCON + The 'Content type', which previously was stored as a one byte numeric + value only, is now a numeric string. You may use one or several of + the types as ID3v1.1 did or, since the category list would be + impossible to maintain with accurate and up to date categories, + define your own. + + References to the ID3v1 genres can be made by, as first byte, enter + "(" followed by a number from the genres list (appendix A.) and + ended with a ")" character. This is optionally followed by a + refinement, e.g. "(21)" or "(4)Eurodisco". Several references can be + made in the same frame, e.g. "(51)(39)". If the refinement should + begin with a "(" character it should be replaced with "((", e.g. "((I + can figure out any genre)" or "(55)((I think...)". The following new + content types is defined in ID3v2 and is implemented in the same way + as the numerig content types, e.g. "(RX)". + + RX Remix + CR Cover + + TCOP + The 'Copyright message' frame, which must begin with a year and a + space character (making five characters), is intended for the + copyright holder of the original sound, not the audio file itself. + The absence of this frame means only that the copyright information + is unavailable or has been removed, and must not be interpreted to + mean that the sound is public domain. Every time this field is + displayed the field must be preceded with "Copyright " (C) " ", where + (C) is one character showing a C in a circle. + + TDAT + The 'Date' frame is a numeric string in the DDMM format containing + the date for the recording. This field is always four characters + long. + + TDLY + The 'Playlist delay' defines the numbers of milliseconds of silence + between every song in a playlist. The player should use the "ETC" + frame, if present, to skip initial silence and silence at the end of + the audio to match the 'Playlist delay' time. The time is represented + as a numeric string. + + TENC + The 'Encoded by' frame contains the name of the person or + organisation that encoded the audio file. This field may contain a + copyright message, if the audio file also is copyrighted by the + encoder. + + TEXT + The 'Lyricist(s)/Text writer(s)' frame is intended for the writer(s) + of the text or lyrics in the recording. They are seperated with the + "/" character. + + TFLT + The 'File type' frame indicates which type of audio this tag defines. + The following type and refinements are defined: + + MPG MPEG Audio + /1 MPEG 1/2 layer I + /2 MPEG 1/2 layer II + /3 MPEG 1/2 layer III + /2.5 MPEG 2.5 + /AAC Advanced audio compression + VQF Transform-domain Weighted Interleave Vector Quantization + PCM Pulse Code Modulated audio + + but other types may be used, not for these types though. This is used + in a similar way to the predefined types in the "TMED" frame, but + without parentheses. If this frame is not present audio type is + assumed to be "MPG". + + TIME + The 'Time' frame is a numeric string in the HHMM format containing + the time for the recording. This field is always four characters + long. + + TIT1 + The 'Content group description' frame is used if the sound belongs to + a larger category of sounds/music. For example, classical music is + often sorted in different musical sections (e.g. "Piano Concerto", + "Weather - Hurricane"). + + TIT2 + The 'Title/Songname/Content description' frame is the actual name of + the piece (e.g. "Adagio", "Hurricane Donna"). + + TIT3 + The 'Subtitle/Description refinement' frame is used for information + directly related to the contents title (e.g. "Op. 16" or "Performed + live at Wembley"). + + TKEY + The 'Initial key' frame contains the musical key in which the sound + starts. It is represented as a string with a maximum length of three + characters. The ground keys are represented with "A","B","C","D","E", + "F" and "G" and halfkeys represented with "b" and "#". Minor is + represented as "m". Example "Cbm". Off key is represented with an "o" + only. + + TLAN + The 'Language(s)' frame should contain the languages of the text or + lyrics spoken or sung in the audio. The language is represented with + three characters according to ISO-639-2. If more than one language is + used in the text their language codes should follow according to + their usage. + + TLEN + The 'Length' frame contains the length of the audiofile in + milliseconds, represented as a numeric string. + + TMED + The 'Media type' frame describes from which media the sound + originated. This may be a text string or a reference to the + predefined media types found in the list below. References are made + within "(" and ")" and are optionally followed by a text refinement, + e.g. "(MC) with four channels". If a text refinement should begin + with a "(" character it should be replaced with "((" in the same way + as in the "TCO" frame. Predefined refinements is appended after the + media type, e.g. "(CD/A)" or "(VID/PAL/VHS)". + + DIG Other digital media + /A Analog transfer from media + + ANA Other analog media + /WAC Wax cylinder + /8CA 8-track tape cassette + + CD CD + /A Analog transfer from media + /DD DDD + /AD ADD + /AA AAD + + LD Laserdisc + /A Analog transfer from media + + TT Turntable records + /33 33.33 rpm + /45 45 rpm + /71 71.29 rpm + /76 76.59 rpm + /78 78.26 rpm + /80 80 rpm + + MD MiniDisc + /A Analog transfer from media + + DAT DAT + /A Analog transfer from media + /1 standard, 48 kHz/16 bits, linear + /2 mode 2, 32 kHz/16 bits, linear + /3 mode 3, 32 kHz/12 bits, nonlinear, low speed + /4 mode 4, 32 kHz/12 bits, 4 channels + /5 mode 5, 44.1 kHz/16 bits, linear + /6 mode 6, 44.1 kHz/16 bits, 'wide track' play + + DCC DCC + /A Analog transfer from media + + DVD DVD + /A Analog transfer from media + + TV Television + /PAL PAL + /NTSC NTSC + /SECAM SECAM + + VID Video + /PAL PAL + /NTSC NTSC + /SECAM SECAM + /VHS VHS + /SVHS S-VHS + /BETA BETAMAX + + RAD Radio + /FM FM + /AM AM + /LW LW + /MW MW + + TEL Telephone + /I ISDN + + MC MC (normal cassette) + /4 4.75 cm/s (normal speed for a two sided cassette) + /9 9.5 cm/s + /I Type I cassette (ferric/normal) + /II Type II cassette (chrome) + /III Type III cassette (ferric chrome) + /IV Type IV cassette (metal) + + REE Reel + /9 9.5 cm/s + /19 19 cm/s + /38 38 cm/s + /76 76 cm/s + /I Type I cassette (ferric/normal) + /II Type II cassette (chrome) + /III Type III cassette (ferric chrome) + /IV Type IV cassette (metal) + + TOAL + The 'Original album/movie/show title' frame is intended for the title + of the original recording (or source of sound), if for example the + music in the file should be a cover of a previously released song. + + TOFN + The 'Original filename' frame contains the preferred filename for the + file, since some media doesn't allow the desired length of the + filename. The filename is case sensitive and includes its suffix. + + TOLY + The 'Original lyricist(s)/text writer(s)' frame is intended for the + text writer(s) of the original recording, if for example the music in + the file should be a cover of a previously released song. The text + writers are seperated with the "/" character. + + TOPE + The 'Original artist(s)/performer(s)' frame is intended for the + performer(s) of the original recording, if for example the music in + the file should be a cover of a previously released song. The + performers are seperated with the "/" character. + + TORY + The 'Original release year' frame is intended for the year when the + original recording, if for example the music in the file should be a + cover of a previously released song, was released. The field is + formatted as in the "TYER" frame. + + TOWN + The 'File owner/licensee' frame contains the name of the owner or + licensee of the file and it's contents. + + TPE1 + The 'Lead artist(s)/Lead performer(s)/Soloist(s)/Performing group' is + used for the main artist(s). They are seperated with the "/" + character. + + TPE2 + The 'Band/Orchestra/Accompaniment' frame is used for additional + information about the performers in the recording. + + TPE3 + The 'Conductor' frame is used for the name of the conductor. + + TPE4 + The 'Interpreted, remixed, or otherwise modified by' frame contains + more information about the people behind a remix and similar + interpretations of another existing piece. + + TPOS + The 'Part of a set' frame is a numeric string that describes which + part of a set the audio came from. This frame is used if the source + described in the "TALB" frame is divided into several mediums, e.g. a + double CD. The value may be extended with a "/" character and a + numeric string containing the total number of parts in the set. E.g. + "1/2". + + TPUB + The 'Publisher' frame simply contains the name of the label or + publisher. + + TRCK + The 'Track number/Position in set' frame is a numeric string + containing the order number of the audio-file on its original + recording. This may be extended with a "/" character and a numeric + string containing the total numer of tracks/elements on the original + recording. E.g. "4/9". + + TRDA + The 'Recording dates' frame is a intended to be used as complement to + the "TYER", "TDAT" and "TIME" frames. E.g. "4th-7th June, 12th June" + in combination with the "TYER" frame. + + TRSN + The 'Internet radio station name' frame contains the name of the + internet radio station from which the audio is streamed. + + TRSO + The 'Internet radio station owner' frame contains the name of the + owner of the internet radio station from which the audio is + streamed. + + TSIZ + The 'Size' frame contains the size of the audiofile in bytes, + excluding the ID3v2 tag, represented as a numeric string. + + TSRC + The 'ISRC' frame should contain the International Standard Recording + Code [ISRC] (12 characters). + + TSSE + The 'Software/Hardware and settings used for encoding' frame + includes the used audio encoder and its settings when the file was + encoded. Hardware refers to hardware encoders, not the computer on + which a program was run. + + TYER + The 'Year' frame is a numeric string with a year of the recording. + This frames is always four characters long (until the year 10000). + + +4.2.2. User defined text information frame + + This frame is intended for one-string text information concerning the + audiofile in a similar way to the other "T"-frames. The frame body + consists of a description of the string, represented as a terminated + string, followed by the actual string. There may be more than one + "TXXX" frame in each tag, but only one with the same description. + + <Header for 'User defined text information frame', ID: "TXXX"> + Text encoding $xx + Description <text string according to encoding> $00 (00) + Value <text string according to encoding> + + +4.3. URL link frames + + With these frames dynamic data such as webpages with touring + information, price information or plain ordinary news can be added to + the tag. There may only be one URL [URL] link frame of its kind in an + tag, except when stated otherwise in the frame description. If the + textstring is followed by a termination ($00 (00)) all the following + information should be ignored and not be displayed. All URL link + frame identifiers begins with "W". Only URL link frame identifiers + begins with "W". All URL link frames have the following format: + + <Header for 'URL link frame', ID: "W000" - "WZZZ", excluding "WXXX" + described in 4.3.2.> + URL <text string> + + +4.3.1. URL link frames - details + + WCOM + The 'Commercial information' frame is a URL pointing at a webpage + with information such as where the album can be bought. There may be + more than one "WCOM" frame in a tag, but not with the same content. + + WCOP + The 'Copyright/Legal information' frame is a URL pointing at a + webpage where the terms of use and ownership of the file is + described. + + WOAF + The 'Official audio file webpage' frame is a URL pointing at a file + specific webpage. + + WOAR + The 'Official artist/performer webpage' frame is a URL pointing at + the artists official webpage. There may be more than one "WOAR" frame + in a tag if the audio contains more than one performer, but not with + the same content. + + WOAS + The 'Official audio source webpage' frame is a URL pointing at the + official webpage for the source of the audio file, e.g. a movie. + + WORS + The 'Official internet radio station homepage' contains a URL + pointing at the homepage of the internet radio station. + + WPAY + The 'Payment' frame is a URL pointing at a webpage that will handle + the process of paying for this file. + + WPUB + The 'Publishers official webpage' frame is a URL pointing at the + official wepage for the publisher. + + +4.3.2. User defined URL link frame + + This frame is intended for URL [URL] links concerning the audiofile + in a similar way to the other "W"-frames. The frame body consists + of a description of the string, represented as a terminated string, + followed by the actual URL. The URL is always encoded with ISO-8859-1 + [ISO-8859-1]. There may be more than one "WXXX" frame in each tag, + but only one with the same description. + + <Header for 'User defined URL link frame', ID: "WXXX"> + Text encoding $xx + Description <text string according to encoding> $00 (00) + URL <text string> + + +4.4. Involved people list + + Since there might be a lot of people contributing to an audio file in + various ways, such as musicians and technicians, the 'Text + information frames' are often insufficient to list everyone involved + in a project. The 'Involved people list' is a frame containing the + names of those involved, and how they were involved. The body simply + contains a terminated string with the involvement directly followed + by a terminated string with the involvee followed by a new + involvement and so on. There may only be one "IPLS" frame in each + tag. + + <Header for 'Involved people list', ID: "IPLS"> + Text encoding $xx + People list strings <text strings according to encoding> + + +4.5. Music CD identifier + + This frame is intended for music that comes from a CD, so that the CD + can be identified in databases such as the CDDB [CDDB]. The frame + consists of a binary dump of the Table Of Contents, TOC, from the CD, + which is a header of 4 bytes and then 8 bytes/track on the CD plus 8 + bytes for the 'lead out' making a maximum of 804 bytes. The offset to + the beginning of every track on the CD should be described with a + four bytes absolute CD-frame address per track, and not with absolute + time. This frame requires a present and valid "TRCK" frame, even if + the CD's only got one track. There may only be one "MCDI" frame in + each tag. + + <Header for 'Music CD identifier', ID: "MCDI"> + CD TOC <binary data> + + +4.6. Event timing codes + + This frame allows synchronisation with key events in a song or sound. + The header is: + + <Header for 'Event timing codes', ID: "ETCO"> + Time stamp format $xx + + Where time stamp format is: + + $01 Absolute time, 32 bit sized, using MPEG [MPEG] frames as unit + $02 Absolute time, 32 bit sized, using milliseconds as unit + + Abolute time means that every stamp contains the time from the + beginning of the file. + + Followed by a list of key events in the following format: + + Type of event $xx + Time stamp $xx (xx ...) + + The 'Time stamp' is set to zero if directly at the beginning of the + sound or after the previous event. All events should be sorted in + chronological order. The type of event is as follows: + + $00 padding (has no meaning) + $01 end of initial silence + $02 intro start + $03 mainpart start + $04 outro start + $05 outro end + $06 verse start + $07 refrain start + $08 interlude start + $09 theme start + $0A variation start + $0B key change + $0C time change + $0D momentary unwanted noise (Snap, Crackle & Pop) + $0E sustained noise + $0F sustained noise end + $10 intro end + $11 mainpart end + $12 verse end + $13 refrain end + $14 theme end + + $15-$DF reserved for future use + + $E0-$EF not predefined sync 0-F + + $F0-$FC reserved for future use + + $FD audio end (start of silence) + $FE audio file ends + $FF one more byte of events follows (all the following bytes with + the value $FF have the same function) + + Terminating the start events such as "intro start" is not required. + The 'Not predefined sync's ($E0-EF) are for user events. You might + want to synchronise your music to something, like setting of an + explosion on-stage, turning on your screensaver etc. + + There may only be one "ETCO" frame in each tag. + + +4.7. MPEG location lookup table + + To increase performance and accuracy of jumps within a MPEG [MPEG] + audio file, frames with timecodes in different locations in the file + might be useful. The ID3v2 frame includes references that the + software can use to calculate positions in the file. After the frame + header is a descriptor of how much the 'frame counter' should + increase for every reference. If this value is two then the first + reference points out the second frame, the 2nd reference the 4th + frame, the 3rd reference the 6th frame etc. In a similar way the + 'bytes between reference' and 'milliseconds between reference' points + out bytes and milliseconds respectively. + + Each reference consists of two parts; a certain number of bits, as + defined in 'bits for bytes deviation', that describes the difference + between what is said in 'bytes between reference' and the reality and + a certain number of bits, as defined in 'bits for milliseconds + deviation', that describes the difference between what is said in + 'milliseconds between reference' and the reality. The number of bits + in every reference, i.e. 'bits for bytes deviation'+'bits for + milliseconds deviation', must be a multiple of four. There may only + be one "MLLT" frame in each tag. + + <Header for 'Location lookup table', ID: "MLLT"> + MPEG frames between reference $xx xx + Bytes between reference $xx xx xx + Milliseconds between reference $xx xx xx + Bits for bytes deviation $xx + Bits for milliseconds dev. $xx + + Then for every reference the following data is included; + + Deviation in bytes %xxx.... + Deviation in milliseconds %xxx.... + + +4.8. Synchronised tempo codes + + For a more accurate description of the tempo of a musical piece this + frame might be used. After the header follows one byte describing + which time stamp format should be used. Then follows one or more + tempo codes. Each tempo code consists of one tempo part and one time + part. The tempo is in BPM described with one or two bytes. If the + first byte has the value $FF, one more byte follows, which is added + to the first giving a range from 2 - 510 BPM, since $00 and $01 is + reserved. $00 is used to describe a beat-free time period, which is + not the same as a music-free time period. $01 is used to indicate one + single beat-stroke followed by a beat-free period. + + The tempo descriptor is followed by a time stamp. Every time the + tempo in the music changes, a tempo descriptor may indicate this for + the player. All tempo descriptors should be sorted in chronological + order. The first beat-stroke in a time-period is at the same time as + the beat description occurs. There may only be one "SYTC" frame in + each tag. + + <Header for 'Synchronised tempo codes', ID: "SYTC"> + Time stamp format $xx + Tempo data <binary data> + + Where time stamp format is: + + $01 Absolute time, 32 bit sized, using MPEG [MPEG] frames as unit + $02 Absolute time, 32 bit sized, using milliseconds as unit + + Abolute time means that every stamp contains the time from the + beginning of the file. + + +4.9. Unsychronised lyrics/text transcription + + This frame contains the lyrics of the song or a text transcription of + other vocal activities. The head includes an encoding descriptor and + a content descriptor. The body consists of the actual text. The + 'Content descriptor' is a terminated string. If no descriptor is + entered, 'Content descriptor' is $00 (00) only. Newline characters + are allowed in the text. There may be more than one 'Unsynchronised + lyrics/text transcription' frame in each tag, but only one with the + same language and content descriptor. + + <Header for 'Unsynchronised lyrics/text transcription', ID: "USLT"> + Text encoding $xx + Language $xx xx xx + Content descriptor <text string according to encoding> $00 (00) + Lyrics/text <full text string according to encoding> + + +4.10. Synchronised lyrics/text + + This is another way of incorporating the words, said or sung lyrics, + in the audio file as text, this time, however, in sync with the + audio. It might also be used to describing events e.g. occurring on a + stage or on the screen in sync with the audio. The header includes a + content descriptor, represented with as terminated textstring. If no + descriptor is entered, 'Content descriptor' is $00 (00) only. + + <Header for 'Synchronised lyrics/text', ID: "SYLT"> + Text encoding $xx + Language $xx xx xx + Time stamp format $xx + Content type $xx + Content descriptor <text string according to encoding> $00 (00) + + + Encoding: $00 ISO-8859-1 [ISO-8859-1] character set is used => $00 + is sync identifier. + $01 Unicode [UNICODE] character set is used => $00 00 is + sync identifier. + + Content type: $00 is other + $01 is lyrics + $02 is text transcription + $03 is movement/part name (e.g. "Adagio") + $04 is events (e.g. "Don Quijote enters the stage") + $05 is chord (e.g. "Bb F Fsus") + $06 is trivia/'pop up' information + + Time stamp format is: + + $01 Absolute time, 32 bit sized, using MPEG [MPEG] frames as unit + $02 Absolute time, 32 bit sized, using milliseconds as unit + + Abolute time means that every stamp contains the time from the + beginning of the file. + + The text that follows the frame header differs from that of the + unsynchronised lyrics/text transcription in one major way. Each + syllable (or whatever size of text is considered to be convenient by + the encoder) is a null terminated string followed by a time stamp + denoting where in the sound file it belongs. Each sync thus has the + following structure: + + Terminated text to be synced (typically a syllable) + Sync identifier (terminator to above string) $00 (00) + Time stamp $xx (xx ...) + + The 'time stamp' is set to zero or the whole sync is omitted if + located directly at the beginning of the sound. All time stamps + should be sorted in chronological order. The sync can be considered + as a validator of the subsequent string. + + Newline ($0A) characters are allowed in all "SYLT" frames and should + be used after every entry (name, event etc.) in a frame with the + content type $03 - $04. + + A few considerations regarding whitespace characters: Whitespace + separating words should mark the beginning of a new word, thus + occurring in front of the first syllable of a new word. This is also + valid for new line characters. A syllable followed by a comma should + not be broken apart with a sync (both the syllable and the comma + should be before the sync). + + An example: The "USLT" passage + + "Strangers in the night" $0A "Exchanging glances" + + would be "SYLT" encoded as: + + "Strang" $00 xx xx "ers" $00 xx xx " in" $00 xx xx " the" $00 xx xx + " night" $00 xx xx 0A "Ex" $00 xx xx "chang" $00 xx xx "ing" $00 xx + xx "glan" $00 xx xx "ces" $00 xx xx + + There may be more than one "SYLT" frame in each tag, but only one + with the same language and content descriptor. + + +4.11. Comments + + This frame is indended for any kind of full text information that + does not fit in any other frame. It consists of a frame header + followed by encoding, language and content descriptors and is ended + with the actual comment as a text string. Newline characters are + allowed in the comment text string. There may be more than one + comment frame in each tag, but only one with the same language and + content descriptor. + + <Header for 'Comment', ID: "COMM"> + Text encoding $xx + Language $xx xx xx + Short content descrip. <text string according to encoding> $00 (00) + The actual text <full text string according to encoding> + + +4.12. Relative volume adjustment + + This is a more subjective function than the previous ones. It allows + the user to say how much he wants to increase/decrease the volume on + each channel while the file is played. The purpose is to be able to + align all files to a reference volume, so that you don't have to + change the volume constantly. This frame may also be used to balance + adjust the audio. If the volume peak levels are known then this could + be described with the 'Peak volume right' and 'Peak volume left' + field. If Peakvolume is not known these fields could be left zeroed + or, if no other data follows, be completely omitted. There may only + be one "RVAD" frame in each tag. + + <Header for 'Relative volume adjustment', ID: "RVAD"> + Increment/decrement %00xxxxxx + Bits used for volume descr. $xx + Relative volume change, right $xx xx (xx ...) + Relative volume change, left $xx xx (xx ...) + Peak volume right $xx xx (xx ...) + Peak volume left $xx xx (xx ...) + + In the increment/decrement field bit 0 is used to indicate the right + channel and bit 1 is used to indicate the left channel. 1 is + increment and 0 is decrement. + + The 'bits used for volume description' field is normally $10 (16 + bits) for MPEG 2 layer I, II and III [MPEG] and MPEG 2.5. This value + may not be $00. The volume is always represented with whole bytes, + padded in the beginning (highest bits) when 'bits used for volume + description' is not a multiple of eight. + + This datablock is then optionally followed by a volume definition for + the left and right back channels. If this information is appended to + the frame the first two channels will be treated as front channels. + In the increment/decrement field bit 2 is used to indicate the right + back channel and bit 3 for the left back channel. + + Relative volume change, right back $xx xx (xx ...) + Relative volume change, left back $xx xx (xx ...) + Peak volume right back $xx xx (xx ...) + Peak volume left back $xx xx (xx ...) + + If the center channel adjustment is present the following is appended + to the existing frame, after the left and right back channels. The + center channel is represented by bit 4 in the increase/decrease + field. + + Relative volume change, center $xx xx (xx ...) + Peak volume center $xx xx (xx ...) + + If the bass channel adjustment is present the following is appended + to the existing frame, after the center channel. The bass channel is + represented by bit 5 in the increase/decrease field. + + Relative volume change, bass $xx xx (xx ...) + Peak volume bass $xx xx (xx ...) + + +4.13. Equalisation + + This is another subjective, alignment frame. It allows the user to + predefine an equalisation curve within the audio file. There may only + be one "EQUA" frame in each tag. + + <Header of 'Equalisation', ID: "EQUA"> + Adjustment bits $xx + + The 'adjustment bits' field defines the number of bits used for + representation of the adjustment. This is normally $10 (16 bits) for + MPEG 2 layer I, II and III [MPEG] and MPEG 2.5. This value may not be + $00. + + This is followed by 2 bytes + ('adjustment bits' rounded up to the + nearest byte) for every equalisation band in the following format, + giving a frequency range of 0 - 32767Hz: + + Increment/decrement %x (MSB of the Frequency) + Frequency (lower 15 bits) + Adjustment $xx (xx ...) + + The increment/decrement bit is 1 for increment and 0 for decrement. + The equalisation bands should be ordered increasingly with reference + to frequency. All frequencies don't have to be declared. The + equalisation curve in the reading software should be interpolated + between the values in this frame. Three equal adjustments for three + subsequent frequencies. A frequency should only be described once in + the frame. + + +4.14. Reverb + + Yet another subjective one. You may here adjust echoes of different + kinds. Reverb left/right is the delay between every bounce in ms. + Reverb bounces left/right is the number of bounces that should be + made. $FF equals an infinite number of bounces. Feedback is the + amount of volume that should be returned to the next echo bounce. $00 + is 0%, $FF is 100%. If this value were $7F, there would be 50% volume + reduction on the first bounce, 50% of that on the second and so on. + Left to left means the sound from the left bounce to be played in the + left speaker, while left to right means sound from the left bounce to + be played in the right speaker. + + 'Premix left to right' is the amount of left sound to be mixed in the + right before any reverb is applied, where $00 id 0% and $FF is 100%. + 'Premix right to left' does the same thing, but right to left. + Setting both premix to $FF would result in a mono output (if the + reverb is applied symmetric). There may only be one "RVRB" frame in + each tag. + + <Header for 'Reverb', ID: "RVRB"> + Reverb left (ms) $xx xx + Reverb right (ms) $xx xx + Reverb bounces, left $xx + Reverb bounces, right $xx + Reverb feedback, left to left $xx + Reverb feedback, left to right $xx + Reverb feedback, right to right $xx + Reverb feedback, right to left $xx + Premix left to right $xx + Premix right to left $xx + + +4.15. Attached picture + + This frame contains a picture directly related to the audio file. + Image format is the MIME type and subtype [MIME] for the image. In + the event that the MIME media type name is omitted, "image/" will be + implied. The "image/png" [PNG] or "image/jpeg" [JFIF] picture format + should be used when interoperability is wanted. Description is a + short description of the picture, represented as a terminated + textstring. The description has a maximum length of 64 characters, + but may be empty. There may be several pictures attached to one file, + each in their individual "APIC" frame, but only one with the same + content descriptor. There may only be one picture with the picture + type declared as picture type $01 and $02 respectively. There is the + possibility to put only a link to the image file by using the 'MIME + type' "-->" and having a complete URL [URL] instead of picture data. + The use of linked files should however be used sparingly since there + is the risk of separation of files. + + <Header for 'Attached picture', ID: "APIC"> + Text encoding $xx + MIME type <text string> $00 + Picture type $xx + Description <text string according to encoding> $00 (00) + Picture data <binary data> + + + Picture type: $00 Other + $01 32x32 pixels 'file icon' (PNG only) + $02 Other file icon + $03 Cover (front) + $04 Cover (back) + $05 Leaflet page + $06 Media (e.g. lable side of CD) + $07 Lead artist/lead performer/soloist + $08 Artist/performer + $09 Conductor + $0A Band/Orchestra + $0B Composer + $0C Lyricist/text writer + $0D Recording Location + $0E During recording + $0F During performance + $10 Movie/video screen capture + $11 A bright coloured fish + $12 Illustration + $13 Band/artist logotype + $14 Publisher/Studio logotype + + +4.16. General encapsulated object + + In this frame any type of file can be encapsulated. After the header, + 'Frame size' and 'Encoding' follows 'MIME type' [MIME] represented as + as a terminated string encoded with ISO 8859-1 [ISO-8859-1]. The + filename is case sensitive and is encoded as 'Encoding'. Then follows + a content description as terminated string, encoded as 'Encoding'. + The last thing in the frame is the actual object. The first two + strings may be omitted, leaving only their terminations. MIME type is + always an ISO-8859-1 text string. There may be more than one "GEOB" + frame in each tag, but only one with the same content descriptor. + + <Header for 'General encapsulated object', ID: "GEOB"> + Text encoding $xx + MIME type <text string> $00 + Filename <text string according to encoding> $00 (00) + Content description <text string according to encóding> $00 (00) + Encapsulated object <binary data> + + +4.17. Play counter + + This is simply a counter of the number of times a file has been + played. The value is increased by one every time the file begins to + play. There may only be one "PCNT" frame in each tag. When the + counter reaches all one's, one byte is inserted in front of the + counter thus making the counter eight bits bigger. The counter must + be at least 32-bits long to begin with. + + <Header for 'Play counter', ID: "PCNT"> + Counter $xx xx xx xx (xx ...) + + +4.18. Popularimeter + + The purpose of this frame is to specify how good an audio file is. + Many interesting applications could be found to this frame such as a + playlist that features better audiofiles more often than others or it + could be used to profile a person's taste and find other 'good' files + by comparing people's profiles. The frame is very simple. It contains + the email address to the user, one rating byte and a four byte play + counter, intended to be increased with one for every time the file is + played. The email is a terminated string. The rating is 1-255 where + 1 is worst and 255 is best. 0 is unknown. If no personal counter is + wanted it may be omitted. When the counter reaches all one's, one + byte is inserted in front of the counter thus making the counter + eight bits bigger in the same away as the play counter ("PCNT"). + There may be more than one "POPM" frame in each tag, but only one + with the same email address. + + <Header for 'Popularimeter', ID: "POPM"> + Email to user <text string> $00 + Rating $xx + Counter $xx xx xx xx (xx ...) + + +4.19. Recommended buffer size + + Sometimes the server from which a audio file is streamed is aware of + transmission or coding problems resulting in interruptions in the + audio stream. In these cases, the size of the buffer can be + recommended by the server using this frame. If the 'embedded info + flag' is true (1) then this indicates that an ID3 tag with the + maximum size described in 'Buffer size' may occur in the audiostream. + In such case the tag should reside between two MPEG [MPEG] frames, if + the audio is MPEG encoded. If the position of the next tag is known, + 'offset to next tag' may be used. The offset is calculated from the + end of tag in which this frame resides to the first byte of the + header in the next. This field may be omitted. Embedded tags are + generally not recommended since this could render unpredictable + behaviour from present software/hardware. + + For applications like streaming audio it might be an idea to embed + tags into the audio stream though. If the clients connects to + individual connections like HTTP and there is a possibility to begin + every transmission with a tag, then this tag should include a + 'recommended buffer size' frame. If the client is connected to a + arbitrary point in the stream, such as radio or multicast, then the + 'recommended buffer size' frame should be included in every tag. + Every tag that is picked up after the initial/first tag is to be + considered as an update of the previous one. E.g. if there is a + "TIT2" frame in the first received tag and one in the second tag, + then the first should be 'replaced' with the second. + + The 'Buffer size' should be kept to a minimum. There may only be one + "RBUF" frame in each tag. + + <Header for 'Recommended buffer size', ID: "RBUF"> + Buffer size $xx xx xx + Embedded info flag %0000000x + Offset to next tag $xx xx xx xx + + +4.20. Audio encryption + + This frame indicates if the actual audio stream is encrypted, and by + whom. Since standardisation of such encrypion scheme is beyond this + document, all "AENC" frames begin with a terminated string with a + URL containing an email address, or a link to a location where an + email address can be found, that belongs to the organisation + responsible for this specific encrypted audio file. Questions + regarding the encrypted audio should be sent to the email address + specified. If a $00 is found directly after the 'Frame size' and the + audiofile indeed is encrypted, the whole file may be considered + useless. + + After the 'Owner identifier', a pointer to an unencrypted part of the + audio can be specified. The 'Preview start' and 'Preview length' is + described in frames. If no part is unencrypted, these fields should + be left zeroed. After the 'preview length' field follows optionally a + datablock required for decryption of the audio. There may be more + than one "AENC" frames in a tag, but only one with the same 'Owner + identifier'. + + <Header for 'Audio encryption', ID: "AENC"> + Owner identifier <text string> $00 + Preview start $xx xx + Preview length $xx xx + Encryption info <binary data> + + +4.21. Linked information + + To keep space waste as low as possible this frame may be used to link + information from another ID3v2 tag that might reside in another audio + file or alone in a binary file. It is recommended that this method is + only used when the files are stored on a CD-ROM or other + circumstances when the risk of file seperation is low. The frame + contains a frame identifier, which is the frame that should be linked + into this tag, a URL [URL] field, where a reference to the file where + the frame is given, and additional ID data, if needed. Data should be + retrieved from the first tag found in the file to which this link + points. There may be more than one "LINK" frame in a tag, but only + one with the same contents. A linked frame is to be considered as + part of the tag and has the same restrictions as if it was a physical + part of the tag (i.e. only one "RVRB" frame allowed, whether it's + linked or not). + + <Header for 'Linked information', ID: "LINK"> + Frame identifier $xx xx xx + URL <text string> $00 + ID and additional data <text string(s)> + + Frames that may be linked and need no additional data are "IPLS", + "MCID", "ETCO", "MLLT", "SYTC", "RVAD", "EQUA", "RVRB", "RBUF", the + text information frames and the URL link frames. + + The "TXXX", "APIC", "GEOB" and "AENC" frames may be linked with + the content descriptor as additional ID data. + + The "COMM", "SYLT" and "USLT" frames may be linked with three bytes + of language descriptor directly followed by a content descriptor as + additional ID data. + + +4.22. Position synchronisation frame + + This frame delivers information to the listener of how far into the + audio stream he picked up; in effect, it states the time offset of + the first frame in the stream. The frame layout is: + + <Head for 'Position synchronisation', ID: "POSS"> + Time stamp format $xx + Position $xx (xx ...) + + Where time stamp format is: + + $01 Absolute time, 32 bit sized, using MPEG frames as unit + $02 Absolute time, 32 bit sized, using milliseconds as unit + + and position is where in the audio the listener starts to receive, + i.e. the beginning of the next frame. If this frame is used in the + beginning of a file the value is always 0. There may only be one + "POSS" frame in each tag. + + +4.23. Terms of use frame + + This frame contains a brief description of the terms of use and + ownership of the file. More detailed information concerning the legal + terms might be available through the "WCOP" frame. Newlines are + allowed in the text. There may only be one "USER" frame in a tag. + + <Header for 'Terms of use frame', ID: "USER"> + Text encoding $xx + Language $xx xx xx + The actual text <text string according to encoding> + + +4.24. Ownership frame + + The ownership frame might be used as a reminder of a made transaction + or, if signed, as proof. Note that the "USER" and "TOWN" frames are + good to use in conjunction with this one. The frame begins, after the + frame ID, size and encoding fields, with a 'price payed' field. The + first three characters of this field contains the currency used for + the transaction, encoded according to ISO 4217 [ISO-4217] alphabetic + currency code. Concatenated to this is the actual price payed, as a + numerical string using "." as the decimal separator. Next is an 8 + character date string (YYYYMMDD) followed by a string with the name + of the seller as the last field in the frame. There may only be one + "OWNE" frame in a tag. + + <Header for 'Ownership frame', ID: "OWNE"> + Text encoding $xx + Price payed <text string> $00 + Date of purch. <text string> + Seller <text string according to encoding> + + +4.25. Commercial frame + + This frame enables several competing offers in the same tag by + bundling all needed information. That makes this frame rather complex + but it's an easier solution than if one tries to achieve the same + result with several frames. The frame begins, after the frame ID, + size and encoding fields, with a price string field. A price is + constructed by one three character currency code, encoded according + to ISO 4217 [ISO-4217] alphabetic currency code, followed by a + numerical value where "." is used as decimal seperator. In the price + string several prices may be concatenated, seperated by a "/" + character, but there may only be one currency of each type. + + The price string is followed by an 8 character date string in the + format YYYYMMDD, describing for how long the price is valid. After + that is a contact URL, with which the user can contact the seller, + followed by a one byte 'received as' field. It describes how the + audio is delivered when bought according to the following list: + + $00 Other + $01 Standard CD album with other songs + $02 Compressed audio on CD + $03 File over the Internet + $04 Stream over the Internet + $05 As note sheets + $06 As note sheets in a book with other sheets + $07 Music on other media + $08 Non-musical merchandise + + Next follows a terminated string with the name of the seller followed + by a terminated string with a short description of the product. The + last thing is the ability to include a company logotype. The first of + them is the 'Picture MIME type' field containing information about + which picture format is used. In the event that the MIME media type + name is omitted, "image/" will be implied. Currently only "image/png" + and "image/jpeg" are allowed. This format string is followed by the + binary picture data. This two last fields may be omitted if no + picture is to attach. + + <Header for 'Commercial frame', ID: "COMR"> + Text encoding $xx + Price string <text string> $00 + Valid until <text string> + Contact URL <text string> $00 + Received as $xx + Name of seller <text string according to encoding> $00 (00) + Description <text string according to encoding> $00 (00) + Picture MIME type <string> $00 + Seller logo <binary data> + + +4.26. Encryption method registration + + To identify with which method a frame has been encrypted the + encryption method must be registered in the tag with this frame. The + 'Owner identifier' is a null-terminated string with a URL [URL] + containing an email address, or a link to a location where an email + address can be found, that belongs to the organisation responsible + for this specific encryption method. Questions regarding the + encryption method should be sent to the indicated email address. The + 'Method symbol' contains a value that is associated with this method + throughout the whole tag. Values below $80 are reserved. The 'Method + symbol' may optionally be followed by encryption specific data. There + may be several "ENCR" frames in a tag but only one containing the + same symbol and only one containing the same owner identifier. The + method must be used somewhere in the tag. See section 3.3.1, flag j + for more information. + + <Header for 'Encryption method registration', ID: "ENCR"> + Owner identifier <text string> $00 + Method symbol $xx + Encryption data <binary data> + + +4.27. Group identification registration + + This frame enables grouping of otherwise unrelated frames. This can + be used when some frames are to be signed. To identify which frames + belongs to a set of frames a group identifier must be registered in + the tag with this frame. The 'Owner identifier' is a null-terminated + string with a URL [URL] containing an email address, or a link to a + location where an email address can be found, that belongs to the + organisation responsible for this grouping. Questions regarding the + grouping should be sent to the indicated email address. The 'Group + symbol' contains a value that associates the frame with this group + throughout the whole tag. Values below $80 are reserved. The 'Group + symbol' may optionally be followed by some group specific data, e.g. + a digital signature. There may be several "GRID" frames in a tag but + only one containing the same symbol and only one containing the same + owner identifier. The group symbol must be used somewhere in the tag. + See section 3.3.1, flag j for more information. + + <Header for 'Group ID registration', ID: "GRID"> + Owner identifier <text string> $00 + Group symbol $xx + Group dependent data <binary data> + + +4.28. Private frame + + This frame is used to contain information from a software producer + that its program uses and does not fit into the other frames. The + frame consists of an 'Owner identifier' string and the binary data. + The 'Owner identifier' is a null-terminated string with a URL [URL] + containing an email address, or a link to a location where an email + address can be found, that belongs to the organisation responsible + for the frame. Questions regarding the frame should be sent to the + indicated email address. The tag may contain more than one "PRIV" + frame but only with different contents. It is recommended to keep the + number of "PRIV" frames as low as possible. + + <Header for 'Private frame', ID: "PRIV"> + Owner identifier <text string> $00 + The private data <binary data> + + +5. The 'unsynchronisation scheme' + + The only purpose of the 'unsynchronisation scheme' is to make the + ID3v2 tag as compatible as possible with existing software. There is + no use in 'unsynchronising' tags if the file is only to be processed + by new software. Unsynchronisation may only be made with MPEG 2 layer + I, II and III and MPEG 2.5 files. + + Whenever a false synchronisation is found within the tag, one zeroed + byte is inserted after the first false synchronisation byte. The + format of a correct sync that should be altered by ID3 encoders is as + follows: + + %11111111 111xxxxx + + And should be replaced with: + + %11111111 00000000 111xxxxx + + This has the side effect that all $FF 00 combinations have to be + altered, so they won't be affected by the decoding process. Therefore + all the $FF 00 combinations have to be replaced with the $FF 00 00 + combination during the unsynchronisation. + + To indicate usage of the unsynchronisation, the first bit in 'ID3 + flags' should be set. This bit should only be set if the tag + contains a, now corrected, false synchronisation. The bit should + only be clear if the tag does not contain any false synchronisations. + + Do bear in mind, that if a compression scheme is used by the encoder, + the unsynchronisation scheme should be applied *afterwards*. When + decoding a compressed, 'unsynchronised' file, the 'unsynchronisation + scheme' should be parsed first, decompression afterwards. + + If the last byte in the tag is $FF, and there is a need to eliminate + false synchronisations in the tag, at least one byte of padding + should be added. + + +6. Copyright + + Copyright (C) Martin Nilsson 1998. All Rights Reserved. + + This document and translations of it may be copied and furnished to + others, and derivative works that comment on or otherwise explain it + or assist in its implementation may be prepared, copied, published + and distributed, in whole or in part, without restriction of any + kind, provided that a reference to this document is included on all + such copies and derivative works. However, this document itself may + not be modified in any way and reissued as the original document. + + The limited permissions granted above are perpetual and will not be + revoked. + + This document and the information contained herein is provided on an + "AS IS" basis and THE AUTHORS DISCLAIMS ALL WARRANTIES, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF + THE INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED + WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. + + +7. References + + [CDDB] Compact Disc Data Base + + http://www.cddb.com + + [ID3v2] Martin Nilsson, "ID3v2 informal standard". + + http://www.id3lib.org/id3/id3v2-00.txt + + [ISO-639-2] ISO/FDIS 639-2. + Codes for the representation of names of languages, Part 2: Alpha-3 + code. Technical committee / subcommittee: TC 37 / SC 2 + + [ISO-4217] ISO 4217:1995. + Codes for the representation of currencies and funds. + Technical committee / subcommittee: TC 68 + + [ISO-8859-1] ISO/IEC DIS 8859-1. + 8-bit single-byte coded graphic character sets, Part 1: Latin + alphabet No. 1. Technical committee / subcommittee: JTC 1 / SC 2 + + [ISRC] ISO 3901:1986 + International Standard Recording Code (ISRC). + Technical committee / subcommittee: TC 46 / SC 9 + + [JFIF] JPEG File Interchange Format, version 1.02 + + http://www.w3.org/Graphics/JPEG/jfif.txt">http://www.w3.org/Graphics/JPEG/jfif.txt + + [MIME] Freed, N. and N. Borenstein, "Multipurpose Internet Mail + Extensions (MIME) Part One: Format of Internet Message Bodies", + RFC 2045, November 1996. + + ftp://ftp.isi.edu/in-notes/rfc2045.txt">ftp://ftp.isi.edu/in-notes/rfc2045.txt + + [MPEG] ISO/IEC 11172-3:1993. + Coding of moving pictures and associated audio for digital storage + media at up to about 1,5 Mbit/s, Part 3: Audio. + Technical committee / subcommittee: JTC 1 / SC 29 + and + ISO/IEC 13818-3:1995 + Generic coding of moving pictures and associated audio information, + Part 3: Audio. + Technical committee / subcommittee: JTC 1 / SC 29 + and + ISO/IEC DIS 13818-3 + Generic coding of moving pictures and associated audio information, + Part 3: Audio (Revision of ISO/IEC 13818-3:1995) + + + [PNG] Portable Network Graphics, version 1.0 + + http://www.w3.org/TR/REC-png-multi.html + + [UNICODE] ISO/IEC 10646-1:1993. + Universal Multiple-Octet Coded Character Set (UCS), Part 1: + Architecture and Basic Multilingual Plane. + Technical committee / subcommittee: JTC 1 / SC 2 + + http://www.unicode.org/ + + [URL] T. Berners-Lee, L. Masinter & M. McCahill, "Uniform Resource + Locators (URL).", RFC 1738, December 1994. + + ftp://ftp.isi.edu/in-notes/rfc1738.txt + + [ZLIB] P. Deutsch, Aladdin Enterprises & J-L. Gailly, "ZLIB + Compressed + Data Format Specification version 3.3", RFC 1950, May 1996. + + ftp://ftp.isi.edu/in-notes/rfc1950.txt + + +8. Appendix + + +A. Appendix A - Genre List from ID3v1 + + The following genres is defined in ID3v1 + + 0.Blues + 1.Classic Rock + 2.Country + 3.Dance + 4.Disco + 5.Funk + 6.Grunge + 7.Hip-Hop + 8.Jazz + 9.Metal + 10.New Age + 11.Oldies + 12.Other + 13.Pop + 14.R&B + 15.Rap + 16.Reggae + 17.Rock + 18.Techno + 19.Industrial + 20.Alternative + 21.Ska + 22.Death Metal + 23.Pranks + 24.Soundtrack + 25.Euro-Techno + 26.Ambient + 27.Trip-Hop + 28.Vocal + 29.Jazz+Funk + 30.Fusion + 31.Trance + 32.Classical + 33.Instrumental + 34.Acid + 35.House + 36.Game + 37.Sound Clip + 38.Gospel + 39.Noise + 40.AlternRock + 41.Bass + 42.Soul + 43.Punk + 44.Space + 45.Meditative + 46.Instrumental Pop + 47.Instrumental Rock + 48.Ethnic + 49.Gothic + 50.Darkwave + 51.Techno-Industrial + 52.Electronic + 53.Pop-Folk + 54.Eurodance + 55.Dream + 56.Southern Rock + 57.Comedy + 58.Cult + 59.Gangsta + 60.Top 40 + 61.Christian Rap + 62.Pop/Funk + 63.Jungle + 64.Native American + 65.Cabaret + 66.New Wave + 67.Psychadelic + 68.Rave + 69.Showtunes + 70.Trailer + 71.Lo-Fi + 72.Tribal + 73.Acid Punk + 74.Acid Jazz + 75.Polka + 76.Retro + 77.Musical + 78.Rock & Roll + 79.Hard Rock + + The following genres are Winamp extensions + + 80.Folk + 81.Folk-Rock + 82.National Folk + 83.Swing + 84.Fast Fusion + 85.Bebob + 86.Latin + 87.Revival + 88.Celtic + 89.Bluegrass + 90.Avantgarde + 91.Gothic Rock + 92.Progressive Rock + 93.Psychedelic Rock + 94.Symphonic Rock + 95.Slow Rock + 96.Big Band + 97.Chorus + 98.Easy Listening + 99.Acoustic + 100.Humour + 101.Speech + 102.Chanson + 103.Opera + 104.Chamber Music + 105.Sonata + 106.Symphony + 107.Booty Bass + 108.Primus + 109.Porn Groove + 110.Satire + 111.Slow Jam + 112.Club + 113.Tango + 114.Samba + 115.Folklore + 116.Ballad + 117.Power Ballad + 118.Rhythmic Soul + 119.Freestyle + 120.Duet + 121.Punk Rock + 122.Drum Solo + 123.Acapella + 124.Euro-House + 125.Dance Hall + + +9. Author's Address + + Written by + + Martin Nilsson + Rydsvägen 246 C. 30 + S-584 34 Linköping + Sweden + + Email: nilsson@id3.org + + + Edited by + + Dirk Mahoney + 57 Pechey Street + Chermside Q + Australia 4032 + + Email: dirk@id3.org + + + Johan Sundström + Alsättersgatan 5 A. 34 + S-584 35 Linköping + Sweden + + Email: johan@id3.org diff --git a/libs/taglib/taglib/mpeg/id3v2/id3v2.4.0-frames.txt b/libs/taglib/taglib/mpeg/id3v2/id3v2.4.0-frames.txt new file mode 100644 index 0000000000..457acaa25c --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/id3v2.4.0-frames.txt @@ -0,0 +1,1734 @@ +$Id: id3v2.4.0-frames.txt 168944 2002-07-26 20:59:59Z wheeler $ + +Informal standard M. Nilsson +Document: id3v2.4.0-frames.txt 1st November 2000 + + + ID3 tag version 2.4.0 - Native Frames + +Status of this document + + This document is an informal standard and replaces the ID3v2.3.0 + standard [ID3v2]. A formal standard will use another revision number + even if the content is identical to document. The contents in this + document may change for clarifications but never for added or altered + functionallity. + + Distribution of this document is unlimited. + + +Abstract + + This document describes the frames natively supported by ID3v2.4.0, + which is a revised version of the ID3v2 informal standard [ID3v2.3.0] + version 2.3.0. The ID3v2 offers a flexible way of storing audio meta + information within audio file itself. The information may be + technical information, such as equalisation curves, as well as title, + performer, copyright etc. + + ID3v2.4.0 is meant to be as close as possible to ID3v2.3.0 in order + to allow for implementations to be revised as easily as possible. + + +1. Table of contents + + 2. Conventions in this document + 3. Default flags + 4. Declared ID3v2 frames + 4.1. Unique file identifier + 4.2. Text information frames + 4.2.1. Identification frames + 4.2.2. Involved persons frames + 4.2.3. Derived and subjective properties frames + 4.2.4. Rights and license frames + 4.2.5. Other text frames + 4.2.6. User defined text information frame + 4.3. URL link frames + 4.3.1. URL link frames - details + 4.3.2. User defined URL link frame + 4.4. Music CD Identifier + 4.5. Event timing codes + 4.6. MPEG location lookup table + 4.7. Synced tempo codes + 4.8. Unsynchronised lyrics/text transcription + 4.9. Synchronised lyrics/text + 4.10. Comments + 4.11. Relative volume adjustment (2) + 4.12. Equalisation (2) + 4.13. Reverb + 4.14. Attached picture + 4.15. General encapsulated object + 4.16. Play counter + 4.17. Popularimeter + 4.18. Recommended buffer size + 4.19. Audio encryption + 4.20. Linked information + 4.21. Position synchronisation frame + 4.22. Terms of use + 4.23. Ownership frame + 4.24. Commercial frame + 4.25. Encryption method registration + 4.26. Group identification registration + 4.27. Private frame + 4.28. Signature frame + 4.29. Seek frame + 4.30. Audio seek point index + 5. Copyright + 6. References + 7. Appendix + A. Appendix A - Genre List from ID3v1 + 8. Author's Address + + +2. Conventions in this document + + Text within "" is a text string exactly as it appears in a tag. + Numbers preceded with $ are hexadecimal and numbers preceded with % + are binary. $xx is used to indicate a byte with unknown content. %x + is used to indicate a bit with unknown content. The most significant + bit (MSB) of a byte is called 'bit 7' and the least significant bit + (LSB) is called 'bit 0'. + + A tag is the whole tag described the ID3v2 main structure document + [ID3v2-strct]. A frame is a block of information in the tag. The tag + consists of a header, frames and optional padding. A field is a piece + of information; one value, a string etc. A numeric string is a string + that consists of the characters "0123456789" only. + + The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", + "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this + document are to be interpreted as described in RFC 2119 [KEYWORDS]. + + +3. Default flags + + The default settings for the frames described in this document can be + divided into the following classes. The flags may be set differently + if found more suitable by the software. + + 1. Discarded if tag is altered, discarded if file is altered. + + None. + + 2. Discarded if tag is altered, preserved if file is altered. + + None. + + 3. Preserved if tag is altered, discarded if file is altered. + + ASPI, AENC, ETCO, EQU2, MLLT, POSS, SEEK, SYLT, SYTC, RVA2, TENC, + TLEN + + 4. Preserved if tag is altered, preserved if file is altered. + + The rest of the frames. + + +4. Declared ID3v2 frames + + The following frames are declared in this draft. + + 4.19 AENC Audio encryption + 4.14 APIC Attached picture + 4.30 ASPI Audio seek point index + + 4.10 COMM Comments + 4.24 COMR Commercial frame + + 4.25 ENCR Encryption method registration + 4.12 EQU2 Equalisation (2) + 4.5 ETCO Event timing codes + + 4.15 GEOB General encapsulated object + 4.26 GRID Group identification registration + + 4.20 LINK Linked information + + 4.4 MCDI Music CD identifier + 4.6 MLLT MPEG location lookup table + + 4.23 OWNE Ownership frame + + 4.27 PRIV Private frame + 4.16 PCNT Play counter + 4.17 POPM Popularimeter + 4.21 POSS Position synchronisation frame + + 4.18 RBUF Recommended buffer size + 4.11 RVA2 Relative volume adjustment (2) + 4.13 RVRB Reverb + + 4.29 SEEK Seek frame + 4.28 SIGN Signature frame + 4.9 SYLT Synchronised lyric/text + 4.7 SYTC Synchronised tempo codes + + 4.2.1 TALB Album/Movie/Show title + 4.2.3 TBPM BPM (beats per minute) + 4.2.2 TCOM Composer + 4.2.3 TCON Content type + 4.2.4 TCOP Copyright message + 4.2.5 TDEN Encoding time + 4.2.5 TDLY Playlist delay + 4.2.5 TDOR Original release time + 4.2.5 TDRC Recording time + 4.2.5 TDRL Release time + 4.2.5 TDTG Tagging time + 4.2.2 TENC Encoded by + 4.2.2 TEXT Lyricist/Text writer + 4.2.3 TFLT File type + 4.2.2 TIPL Involved people list + 4.2.1 TIT1 Content group description + 4.2.1 TIT2 Title/songname/content description + 4.2.1 TIT3 Subtitle/Description refinement + 4.2.3 TKEY Initial key + 4.2.3 TLAN Language(s) + 4.2.3 TLEN Length + 4.2.2 TMCL Musician credits list + 4.2.3 TMED Media type + 4.2.3 TMOO Mood + 4.2.1 TOAL Original album/movie/show title + 4.2.5 TOFN Original filename + 4.2.2 TOLY Original lyricist(s)/text writer(s) + 4.2.2 TOPE Original artist(s)/performer(s) + 4.2.4 TOWN File owner/licensee + 4.2.2 TPE1 Lead performer(s)/Soloist(s) + 4.2.2 TPE2 Band/orchestra/accompaniment + 4.2.2 TPE3 Conductor/performer refinement + 4.2.2 TPE4 Interpreted, remixed, or otherwise modified by + 4.2.1 TPOS Part of a set + 4.2.4 TPRO Produced notice + 4.2.4 TPUB Publisher + 4.2.1 TRCK Track number/Position in set + 4.2.4 TRSN Internet radio station name + 4.2.4 TRSO Internet radio station owner + 4.2.5 TSOA Album sort order + 4.2.5 TSOP Performer sort order + 4.2.5 TSOT Title sort order + 4.2.1 TSRC ISRC (international standard recording code) + 4.2.5 TSSE Software/Hardware and settings used for encoding + 4.2.1 TSST Set subtitle + 4.2.2 TXXX User defined text information frame + + 4.1 UFID Unique file identifier + 4.22 USER Terms of use + 4.8 USLT Unsynchronised lyric/text transcription + + 4.3.1 WCOM Commercial information + 4.3.1 WCOP Copyright/Legal information + 4.3.1 WOAF Official audio file webpage + 4.3.1 WOAR Official artist/performer webpage + 4.3.1 WOAS Official audio source webpage + 4.3.1 WORS Official Internet radio station homepage + 4.3.1 WPAY Payment + 4.3.1 WPUB Publishers official webpage + 4.3.2 WXXX User defined URL link frame + + +4.1. Unique file identifier + + This frame's purpose is to be able to identify the audio file in a + database, that may provide more information relevant to the content. + Since standardisation of such a database is beyond this document, all + UFID frames begin with an 'owner identifier' field. It is a null- + terminated string with a URL [URL] containing an email address, or a + link to a location where an email address can be found, that belongs + to the organisation responsible for this specific database + implementation. Questions regarding the database should be sent to + the indicated email address. The URL should not be used for the + actual database queries. The string + "http://www.id3.org/dummy/ufid.html" should be used for tests. The + 'Owner identifier' must be non-empty (more than just a termination). + The 'Owner identifier' is then followed by the actual identifier, + which may be up to 64 bytes. There may be more than one "UFID" frame + in a tag, but only one with the same 'Owner identifier'. + + <Header for 'Unique file identifier', ID: "UFID"> + Owner identifier <text string> $00 + Identifier <up to 64 bytes binary data> + + +4.2. Text information frames + + The text information frames are often the most important frames, + containing information like artist, album and more. There may only be + one text information frame of its kind in an tag. All text + information frames supports multiple strings, stored as a null + separated list, where null is reperesented by the termination code + for the charater encoding. All text frame identifiers begin with "T". + Only text frame identifiers begin with "T", with the exception of the + "TXXX" frame. All the text information frames have the following + format: + + <Header for 'Text information frame', ID: "T000" - "TZZZ", + excluding "TXXX" described in 4.2.6.> + Text encoding $xx + Information <text string(s) according to encoding> + + +4.2.1. Identification frames + + TIT1 + The 'Content group description' frame is used if the sound belongs to + a larger category of sounds/music. For example, classical music is + often sorted in different musical sections (e.g. "Piano Concerto", + "Weather - Hurricane"). + + TIT2 + The 'Title/Songname/Content description' frame is the actual name of + the piece (e.g. "Adagio", "Hurricane Donna"). + + TIT3 + The 'Subtitle/Description refinement' frame is used for information + directly related to the contents title (e.g. "Op. 16" or "Performed + live at Wembley"). + + TALB + The 'Album/Movie/Show title' frame is intended for the title of the + recording (or source of sound) from which the audio in the file is + taken. + + TOAL + The 'Original album/movie/show title' frame is intended for the title + of the original recording (or source of sound), if for example the + music in the file should be a cover of a previously released song. + + TRCK + The 'Track number/Position in set' frame is a numeric string + containing the order number of the audio-file on its original + recording. This MAY be extended with a "/" character and a numeric + string containing the total number of tracks/elements on the original + recording. E.g. "4/9". + + TPOS + The 'Part of a set' frame is a numeric string that describes which + part of a set the audio came from. This frame is used if the source + described in the "TALB" frame is divided into several mediums, e.g. a + double CD. The value MAY be extended with a "/" character and a + numeric string containing the total number of parts in the set. E.g. + "1/2". + + TSST + The 'Set subtitle' frame is intended for the subtitle of the part of + a set this track belongs to. + + TSRC + The 'ISRC' frame should contain the International Standard Recording + Code [ISRC] (12 characters). + + +4.2.2. Involved persons frames + + TPE1 + The 'Lead artist/Lead performer/Soloist/Performing group' is + used for the main artist. + + TPE2 + The 'Band/Orchestra/Accompaniment' frame is used for additional + information about the performers in the recording. + + TPE3 + The 'Conductor' frame is used for the name of the conductor. + + TPE4 + The 'Interpreted, remixed, or otherwise modified by' frame contains + more information about the people behind a remix and similar + interpretations of another existing piece. + + TOPE + The 'Original artist/performer' frame is intended for the performer + of the original recording, if for example the music in the file + should be a cover of a previously released song. + + TEXT + The 'Lyricist/Text writer' frame is intended for the writer of the + text or lyrics in the recording. + + TOLY + The 'Original lyricist/text writer' frame is intended for the + text writer of the original recording, if for example the music in + the file should be a cover of a previously released song. + + TCOM + The 'Composer' frame is intended for the name of the composer. + + TMCL + The 'Musician credits list' is intended as a mapping between + instruments and the musician that played it. Every odd field is an + instrument and every even is an artist or a comma delimited list of + artists. + + TIPL + The 'Involved people list' is very similar to the musician credits + list, but maps between functions, like producer, and names. + + TENC + The 'Encoded by' frame contains the name of the person or + organisation that encoded the audio file. This field may contain a + copyright message, if the audio file also is copyrighted by the + encoder. + + +4.2.3. Derived and subjective properties frames + + TBPM + The 'BPM' frame contains the number of beats per minute in the + main part of the audio. The BPM is an integer and represented as a + numerical string. + + TLEN + The 'Length' frame contains the length of the audio file in + milliseconds, represented as a numeric string. + + TKEY + The 'Initial key' frame contains the musical key in which the sound + starts. It is represented as a string with a maximum length of three + characters. The ground keys are represented with "A","B","C","D","E", + "F" and "G" and halfkeys represented with "b" and "#". Minor is + represented as "m", e.g. "Dbm" $00. Off key is represented with an + "o" only. + + TLAN + The 'Language' frame should contain the languages of the text or + lyrics spoken or sung in the audio. The language is represented with + three characters according to ISO-639-2 [ISO-639-2]. If more than one + language is used in the text their language codes should follow + according to the amount of their usage, e.g. "eng" $00 "sve" $00. + + TCON + The 'Content type', which ID3v1 was stored as a one byte numeric + value only, is now a string. You may use one or several of the ID3v1 + types as numerical strings, or, since the category list would be + impossible to maintain with accurate and up to date categories, + define your own. Example: "21" $00 "Eurodisco" $00 + + You may also use any of the following keywords: + + RX Remix + CR Cover + + TFLT + The 'File type' frame indicates which type of audio this tag defines. + The following types and refinements are defined: + + MIME MIME type follows + MPG MPEG Audio + /1 MPEG 1/2 layer I + /2 MPEG 1/2 layer II + /3 MPEG 1/2 layer III + /2.5 MPEG 2.5 + /AAC Advanced audio compression + VQF Transform-domain Weighted Interleave Vector Quantisation + PCM Pulse Code Modulated audio + + but other types may be used, but not for these types though. This is + used in a similar way to the predefined types in the "TMED" frame, + but without parentheses. If this frame is not present audio type is + assumed to be "MPG". + + TMED + The 'Media type' frame describes from which media the sound + originated. This may be a text string or a reference to the + predefined media types found in the list below. Example: + "VID/PAL/VHS" $00. + + DIG Other digital media + /A Analogue transfer from media + + ANA Other analogue media + /WAC Wax cylinder + /8CA 8-track tape cassette + + CD CD + /A Analogue transfer from media + /DD DDD + /AD ADD + /AA AAD + + LD Laserdisc + + TT Turntable records + /33 33.33 rpm + /45 45 rpm + /71 71.29 rpm + /76 76.59 rpm + /78 78.26 rpm + /80 80 rpm + + MD MiniDisc + /A Analogue transfer from media + + DAT DAT + /A Analogue transfer from media + /1 standard, 48 kHz/16 bits, linear + /2 mode 2, 32 kHz/16 bits, linear + /3 mode 3, 32 kHz/12 bits, non-linear, low speed + /4 mode 4, 32 kHz/12 bits, 4 channels + /5 mode 5, 44.1 kHz/16 bits, linear + /6 mode 6, 44.1 kHz/16 bits, 'wide track' play + + DCC DCC + /A Analogue transfer from media + + DVD DVD + /A Analogue transfer from media + + TV Television + /PAL PAL + /NTSC NTSC + /SECAM SECAM + + VID Video + /PAL PAL + /NTSC NTSC + /SECAM SECAM + /VHS VHS + /SVHS S-VHS + /BETA BETAMAX + + RAD Radio + /FM FM + /AM AM + /LW LW + /MW MW + + TEL Telephone + /I ISDN + + MC MC (normal cassette) + /4 4.75 cm/s (normal speed for a two sided cassette) + /9 9.5 cm/s + /I Type I cassette (ferric/normal) + /II Type II cassette (chrome) + /III Type III cassette (ferric chrome) + /IV Type IV cassette (metal) + + REE Reel + /9 9.5 cm/s + /19 19 cm/s + /38 38 cm/s + /76 76 cm/s + /I Type I cassette (ferric/normal) + /II Type II cassette (chrome) + /III Type III cassette (ferric chrome) + /IV Type IV cassette (metal) + + TMOO + The 'Mood' frame is intended to reflect the mood of the audio with a + few keywords, e.g. "Romantic" or "Sad". + + +4.2.4. Rights and license frames + + TCOP + The 'Copyright message' frame, in which the string must begin with a + year and a space character (making five characters), is intended for + the copyright holder of the original sound, not the audio file + itself. The absence of this frame means only that the copyright + information is unavailable or has been removed, and must not be + interpreted to mean that the audio is public domain. Every time this + field is displayed the field must be preceded with "Copyright " (C) " + ", where (C) is one character showing a C in a circle. + + TPRO + The 'Produced notice' frame, in which the string must begin with a + year and a space character (making five characters), is intended for + the production copyright holder of the original sound, not the audio + file itself. The absence of this frame means only that the production + copyright information is unavailable or has been removed, and must + not be interpreted to mean that the audio is public domain. Every + time this field is displayed the field must be preceded with + "Produced " (P) " ", where (P) is one character showing a P in a + circle. + + TPUB + The 'Publisher' frame simply contains the name of the label or + publisher. + + TOWN + The 'File owner/licensee' frame contains the name of the owner or + licensee of the file and it's contents. + + TRSN + The 'Internet radio station name' frame contains the name of the + internet radio station from which the audio is streamed. + + TRSO + The 'Internet radio station owner' frame contains the name of the + owner of the internet radio station from which the audio is + streamed. + +4.2.5. Other text frames + + TOFN + The 'Original filename' frame contains the preferred filename for the + file, since some media doesn't allow the desired length of the + filename. The filename is case sensitive and includes its suffix. + + TDLY + The 'Playlist delay' defines the numbers of milliseconds of silence + that should be inserted before this audio. The value zero indicates + that this is a part of a multifile audio track that should be played + continuously. + + TDEN + The 'Encoding time' frame contains a timestamp describing when the + audio was encoded. Timestamp format is described in the ID3v2 + structure document [ID3v2-strct]. + + TDOR + The 'Original release time' frame contains a timestamp describing + when the original recording of the audio was released. Timestamp + format is described in the ID3v2 structure document [ID3v2-strct]. + + TDRC + The 'Recording time' frame contains a timestamp describing when the + audio was recorded. Timestamp format is described in the ID3v2 + structure document [ID3v2-strct]. + + TDRL + The 'Release time' frame contains a timestamp describing when the + audio was first released. Timestamp format is described in the ID3v2 + structure document [ID3v2-strct]. + + TDTG + The 'Tagging time' frame contains a timestamp describing then the + audio was tagged. Timestamp format is described in the ID3v2 + structure document [ID3v2-strct]. + + TSSE + The 'Software/Hardware and settings used for encoding' frame + includes the used audio encoder and its settings when the file was + encoded. Hardware refers to hardware encoders, not the computer on + which a program was run. + + TSOA + The 'Album sort order' frame defines a string which should be used + instead of the album name (TALB) for sorting purposes. E.g. an album + named "A Soundtrack" might preferably be sorted as "Soundtrack". + + TSOP + The 'Performer sort order' frame defines a string which should be + used instead of the performer (TPE2) for sorting purposes. + + TSOT + The 'Title sort order' frame defines a string which should be used + instead of the title (TIT2) for sorting purposes. + + +4.2.6. User defined text information frame + + This frame is intended for one-string text information concerning the + audio file in a similar way to the other "T"-frames. The frame body + consists of a description of the string, represented as a terminated + string, followed by the actual string. There may be more than one + "TXXX" frame in each tag, but only one with the same description. + + <Header for 'User defined text information frame', ID: "TXXX"> + Text encoding $xx + Description <text string according to encoding> $00 (00) + Value <text string according to encoding> + + +4.3. URL link frames + + With these frames dynamic data such as webpages with touring + information, price information or plain ordinary news can be added to + the tag. There may only be one URL [URL] link frame of its kind in an + tag, except when stated otherwise in the frame description. If the + text string is followed by a string termination, all the following + information should be ignored and not be displayed. All URL link + frame identifiers begins with "W". Only URL link frame identifiers + begins with "W", except for "WXXX". All URL link frames have the + following format: + + <Header for 'URL link frame', ID: "W000" - "WZZZ", excluding "WXXX" + described in 4.3.2.> + URL <text string> + + +4.3.1. URL link frames - details + + WCOM + The 'Commercial information' frame is a URL pointing at a webpage + with information such as where the album can be bought. There may be + more than one "WCOM" frame in a tag, but not with the same content. + + WCOP + The 'Copyright/Legal information' frame is a URL pointing at a + webpage where the terms of use and ownership of the file is + described. + + WOAF + The 'Official audio file webpage' frame is a URL pointing at a file + specific webpage. + + WOAR + The 'Official artist/performer webpage' frame is a URL pointing at + the artists official webpage. There may be more than one "WOAR" frame + in a tag if the audio contains more than one performer, but not with + the same content. + + WOAS + The 'Official audio source webpage' frame is a URL pointing at the + official webpage for the source of the audio file, e.g. a movie. + + WORS + The 'Official Internet radio station homepage' contains a URL + pointing at the homepage of the internet radio station. + + WPAY + The 'Payment' frame is a URL pointing at a webpage that will handle + the process of paying for this file. + + WPUB + The 'Publishers official webpage' frame is a URL pointing at the + official webpage for the publisher. + + +4.3.2. User defined URL link frame + + This frame is intended for URL [URL] links concerning the audio file + in a similar way to the other "W"-frames. The frame body consists + of a description of the string, represented as a terminated string, + followed by the actual URL. The URL is always encoded with ISO-8859-1 + [ISO-8859-1]. There may be more than one "WXXX" frame in each tag, + but only one with the same description. + + <Header for 'User defined URL link frame', ID: "WXXX"> + Text encoding $xx + Description <text string according to encoding> $00 (00) + URL <text string> + + +4.4. Music CD identifier + + This frame is intended for music that comes from a CD, so that the CD + can be identified in databases such as the CDDB [CDDB]. The frame + consists of a binary dump of the Table Of Contents, TOC, from the CD, + which is a header of 4 bytes and then 8 bytes/track on the CD plus 8 + bytes for the 'lead out', making a maximum of 804 bytes. The offset + to the beginning of every track on the CD should be described with a + four bytes absolute CD-frame address per track, and not with absolute + time. When this frame is used the presence of a valid "TRCK" frame is + REQUIRED, even if the CD's only got one track. It is recommended that + this frame is always added to tags originating from CDs. There may + only be one "MCDI" frame in each tag. + + <Header for 'Music CD identifier', ID: "MCDI"> + CD TOC <binary data> + + +4.5. Event timing codes + + This frame allows synchronisation with key events in the audio. The + header is: + + <Header for 'Event timing codes', ID: "ETCO"> + Time stamp format $xx + + Where time stamp format is: + + $01 Absolute time, 32 bit sized, using MPEG [MPEG] frames as unit + $02 Absolute time, 32 bit sized, using milliseconds as unit + + Absolute time means that every stamp contains the time from the + beginning of the file. + + Followed by a list of key events in the following format: + + Type of event $xx + Time stamp $xx (xx ...) + + The 'Time stamp' is set to zero if directly at the beginning of the + sound or after the previous event. All events MUST be sorted in + chronological order. The type of event is as follows: + + $00 padding (has no meaning) + $01 end of initial silence + $02 intro start + $03 main part start + $04 outro start + $05 outro end + $06 verse start + $07 refrain start + $08 interlude start + $09 theme start + $0A variation start + $0B key change + $0C time change + $0D momentary unwanted noise (Snap, Crackle & Pop) + $0E sustained noise + $0F sustained noise end + $10 intro end + $11 main part end + $12 verse end + $13 refrain end + $14 theme end + $15 profanity + $16 profanity end + + $17-$DF reserved for future use + + $E0-$EF not predefined synch 0-F + + $F0-$FC reserved for future use + + $FD audio end (start of silence) + $FE audio file ends + $FF one more byte of events follows (all the following bytes with + the value $FF have the same function) + + Terminating the start events such as "intro start" is OPTIONAL. The + 'Not predefined synch's ($E0-EF) are for user events. You might want + to synchronise your music to something, like setting off an explosion + on-stage, activating a screensaver etc. + + There may only be one "ETCO" frame in each tag. + + +4.6. MPEG location lookup table + + To increase performance and accuracy of jumps within a MPEG [MPEG] + audio file, frames with time codes in different locations in the file + might be useful. This ID3v2 frame includes references that the + software can use to calculate positions in the file. After the frame + header follows a descriptor of how much the 'frame counter' should be + increased for every reference. If this value is two then the first + reference points out the second frame, the 2nd reference the 4th + frame, the 3rd reference the 6th frame etc. In a similar way the + 'bytes between reference' and 'milliseconds between reference' points + out bytes and milliseconds respectively. + + Each reference consists of two parts; a certain number of bits, as + defined in 'bits for bytes deviation', that describes the difference + between what is said in 'bytes between reference' and the reality and + a certain number of bits, as defined in 'bits for milliseconds + deviation', that describes the difference between what is said in + 'milliseconds between reference' and the reality. The number of bits + in every reference, i.e. 'bits for bytes deviation'+'bits for + milliseconds deviation', must be a multiple of four. There may only + be one "MLLT" frame in each tag. + + <Header for 'Location lookup table', ID: "MLLT"> + MPEG frames between reference $xx xx + Bytes between reference $xx xx xx + Milliseconds between reference $xx xx xx + Bits for bytes deviation $xx + Bits for milliseconds dev. $xx + + Then for every reference the following data is included; + + Deviation in bytes %xxx.... + Deviation in milliseconds %xxx.... + + +4.7. Synchronised tempo codes + + For a more accurate description of the tempo of a musical piece, this + frame might be used. After the header follows one byte describing + which time stamp format should be used. Then follows one or more + tempo codes. Each tempo code consists of one tempo part and one time + part. The tempo is in BPM described with one or two bytes. If the + first byte has the value $FF, one more byte follows, which is added + to the first giving a range from 2 - 510 BPM, since $00 and $01 is + reserved. $00 is used to describe a beat-free time period, which is + not the same as a music-free time period. $01 is used to indicate one + single beat-stroke followed by a beat-free period. + + The tempo descriptor is followed by a time stamp. Every time the + tempo in the music changes, a tempo descriptor may indicate this for + the player. All tempo descriptors MUST be sorted in chronological + order. The first beat-stroke in a time-period is at the same time as + the beat description occurs. There may only be one "SYTC" frame in + each tag. + + <Header for 'Synchronised tempo codes', ID: "SYTC"> + Time stamp format $xx + Tempo data <binary data> + + Where time stamp format is: + + $01 Absolute time, 32 bit sized, using MPEG [MPEG] frames as unit + $02 Absolute time, 32 bit sized, using milliseconds as unit + + Absolute time means that every stamp contains the time from the + beginning of the file. + + +4.8. Unsynchronised lyrics/text transcription + + This frame contains the lyrics of the song or a text transcription of + other vocal activities. The head includes an encoding descriptor and + a content descriptor. The body consists of the actual text. The + 'Content descriptor' is a terminated string. If no descriptor is + entered, 'Content descriptor' is $00 (00) only. Newline characters + are allowed in the text. There may be more than one 'Unsynchronised + lyrics/text transcription' frame in each tag, but only one with the + same language and content descriptor. + + <Header for 'Unsynchronised lyrics/text transcription', ID: "USLT"> + Text encoding $xx + Language $xx xx xx + Content descriptor <text string according to encoding> $00 (00) + Lyrics/text <full text string according to encoding> + + +4.9. Synchronised lyrics/text + + This is another way of incorporating the words, said or sung lyrics, + in the audio file as text, this time, however, in sync with the + audio. It might also be used to describing events e.g. occurring on a + stage or on the screen in sync with the audio. The header includes a + content descriptor, represented with as terminated text string. If no + descriptor is entered, 'Content descriptor' is $00 (00) only. + + <Header for 'Synchronised lyrics/text', ID: "SYLT"> + Text encoding $xx + Language $xx xx xx + Time stamp format $xx + Content type $xx + Content descriptor <text string according to encoding> $00 (00) + + Content type: $00 is other + $01 is lyrics + $02 is text transcription + $03 is movement/part name (e.g. "Adagio") + $04 is events (e.g. "Don Quijote enters the stage") + $05 is chord (e.g. "Bb F Fsus") + $06 is trivia/'pop up' information + $07 is URLs to webpages + $08 is URLs to images + + Time stamp format: + + $01 Absolute time, 32 bit sized, using MPEG [MPEG] frames as unit + $02 Absolute time, 32 bit sized, using milliseconds as unit + + Absolute time means that every stamp contains the time from the + beginning of the file. + + The text that follows the frame header differs from that of the + unsynchronised lyrics/text transcription in one major way. Each + syllable (or whatever size of text is considered to be convenient by + the encoder) is a null terminated string followed by a time stamp + denoting where in the sound file it belongs. Each sync thus has the + following structure: + + Terminated text to be synced (typically a syllable) + Sync identifier (terminator to above string) $00 (00) + Time stamp $xx (xx ...) + + The 'time stamp' is set to zero or the whole sync is omitted if + located directly at the beginning of the sound. All time stamps + should be sorted in chronological order. The sync can be considered + as a validator of the subsequent string. + + Newline characters are allowed in all "SYLT" frames and MUST be used + after every entry (name, event etc.) in a frame with the content type + $03 - $04. + + A few considerations regarding whitespace characters: Whitespace + separating words should mark the beginning of a new word, thus + occurring in front of the first syllable of a new word. This is also + valid for new line characters. A syllable followed by a comma should + not be broken apart with a sync (both the syllable and the comma + should be before the sync). + + An example: The "USLT" passage + + "Strangers in the night" $0A "Exchanging glances" + + would be "SYLT" encoded as: + + "Strang" $00 xx xx "ers" $00 xx xx " in" $00 xx xx " the" $00 xx xx + " night" $00 xx xx 0A "Ex" $00 xx xx "chang" $00 xx xx "ing" $00 xx + xx "glan" $00 xx xx "ces" $00 xx xx + + There may be more than one "SYLT" frame in each tag, but only one + with the same language and content descriptor. + + +4.10. Comments + + This frame is intended for any kind of full text information that + does not fit in any other frame. It consists of a frame header + followed by encoding, language and content descriptors and is ended + with the actual comment as a text string. Newline characters are + allowed in the comment text string. There may be more than one + comment frame in each tag, but only one with the same language and + content descriptor. + + <Header for 'Comment', ID: "COMM"> + Text encoding $xx + Language $xx xx xx + Short content descrip. <text string according to encoding> $00 (00) + The actual text <full text string according to encoding> + + +4.11. Relative volume adjustment (2) + + This is a more subjective frame than the previous ones. It allows the + user to say how much he wants to increase/decrease the volume on each + channel when the file is played. The purpose is to be able to align + all files to a reference volume, so that you don't have to change the + volume constantly. This frame may also be used to balance adjust the + audio. The volume adjustment is encoded as a fixed point decibel + value, 16 bit signed integer representing (adjustment*512), giving + +/- 64 dB with a precision of 0.001953125 dB. E.g. +2 dB is stored as + $04 00 and -2 dB is $FC 00. There may be more than one "RVA2" frame + in each tag, but only one with the same identification string. + + <Header for 'Relative volume adjustment (2)', ID: "RVA2"> + Identification <text string> $00 + + The 'identification' string is used to identify the situation and/or + device where this adjustment should apply. The following is then + repeated for every channel + + Type of channel $xx + Volume adjustment $xx xx + Bits representing peak $xx + Peak volume $xx (xx ...) + + + Type of channel: $00 Other + $01 Master volume + $02 Front right + $03 Front left + $04 Back right + $05 Back left + $06 Front centre + $07 Back centre + $08 Subwoofer + + Bits representing peak can be any number between 0 and 255. 0 means + that there is no peak volume field. The peak volume field is always + padded to whole bytes, setting the most significant bits to zero. + + +4.12. Equalisation (2) + + This is another subjective, alignment frame. It allows the user to + predefine an equalisation curve within the audio file. There may be + more than one "EQU2" frame in each tag, but only one with the same + identification string. + + <Header of 'Equalisation (2)', ID: "EQU2"> + Interpolation method $xx + Identification <text string> $00 + + The 'interpolation method' describes which method is preferred when + an interpolation between the adjustment point that follows. The + following methods are currently defined: + + $00 Band + No interpolation is made. A jump from one adjustment level to + another occurs in the middle between two adjustment points. + $01 Linear + Interpolation between adjustment points is linear. + + The 'identification' string is used to identify the situation and/or + device where this adjustment should apply. The following is then + repeated for every adjustment point + + Frequency $xx xx + Volume adjustment $xx xx + + The frequency is stored in units of 1/2 Hz, giving it a range from 0 + to 32767 Hz. + + The volume adjustment is encoded as a fixed point decibel value, 16 + bit signed integer representing (adjustment*512), giving +/- 64 dB + with a precision of 0.001953125 dB. E.g. +2 dB is stored as $04 00 + and -2 dB is $FC 00. + + Adjustment points should be ordered by frequency and one frequency + should only be described once in the frame. + + +4.13. Reverb + + Yet another subjective frame, with which you can adjust echoes of + different kinds. Reverb left/right is the delay between every bounce + in ms. Reverb bounces left/right is the number of bounces that should + be made. $FF equals an infinite number of bounces. Feedback is the + amount of volume that should be returned to the next echo bounce. $00 + is 0%, $FF is 100%. If this value were $7F, there would be 50% volume + reduction on the first bounce, 50% of that on the second and so on. + Left to left means the sound from the left bounce to be played in the + left speaker, while left to right means sound from the left bounce to + be played in the right speaker. + + 'Premix left to right' is the amount of left sound to be mixed in the + right before any reverb is applied, where $00 id 0% and $FF is 100%. + 'Premix right to left' does the same thing, but right to left. + Setting both premix to $FF would result in a mono output (if the + reverb is applied symmetric). There may only be one "RVRB" frame in + each tag. + + <Header for 'Reverb', ID: "RVRB"> + Reverb left (ms) $xx xx + Reverb right (ms) $xx xx + Reverb bounces, left $xx + Reverb bounces, right $xx + Reverb feedback, left to left $xx + Reverb feedback, left to right $xx + Reverb feedback, right to right $xx + Reverb feedback, right to left $xx + Premix left to right $xx + Premix right to left $xx + + +4.14. Attached picture + + This frame contains a picture directly related to the audio file. + Image format is the MIME type and subtype [MIME] for the image. In + the event that the MIME media type name is omitted, "image/" will be + implied. The "image/png" [PNG] or "image/jpeg" [JFIF] picture format + should be used when interoperability is wanted. Description is a + short description of the picture, represented as a terminated + text string. There may be several pictures attached to one file, each + in their individual "APIC" frame, but only one with the same content + descriptor. There may only be one picture with the picture type + declared as picture type $01 and $02 respectively. There is the + possibility to put only a link to the image file by using the 'MIME + type' "-->" and having a complete URL [URL] instead of picture data. + The use of linked files should however be used sparingly since there + is the risk of separation of files. + + <Header for 'Attached picture', ID: "APIC"> + Text encoding $xx + MIME type <text string> $00 + Picture type $xx + Description <text string according to encoding> $00 (00) + Picture data <binary data> + + + Picture type: $00 Other + $01 32x32 pixels 'file icon' (PNG only) + $02 Other file icon + $03 Cover (front) + $04 Cover (back) + $05 Leaflet page + $06 Media (e.g. label side of CD) + $07 Lead artist/lead performer/soloist + $08 Artist/performer + $09 Conductor + $0A Band/Orchestra + $0B Composer + $0C Lyricist/text writer + $0D Recording Location + $0E During recording + $0F During performance + $10 Movie/video screen capture + $11 A bright coloured fish + $12 Illustration + $13 Band/artist logotype + $14 Publisher/Studio logotype + + +4.15. General encapsulated object + + In this frame any type of file can be encapsulated. After the header, + 'Frame size' and 'Encoding' follows 'MIME type' [MIME] represented as + as a terminated string encoded with ISO 8859-1 [ISO-8859-1]. The + filename is case sensitive and is encoded as 'Encoding'. Then follows + a content description as terminated string, encoded as 'Encoding'. + The last thing in the frame is the actual object. The first two + strings may be omitted, leaving only their terminations. MIME type is + always an ISO-8859-1 text string. There may be more than one "GEOB" + frame in each tag, but only one with the same content descriptor. + + <Header for 'General encapsulated object', ID: "GEOB"> + Text encoding $xx + MIME type <text string> $00 + Filename <text string according to encoding> $00 (00) + Content description <text string according to encoding> $00 (00) + Encapsulated object <binary data> + + +4.16. Play counter + + This is simply a counter of the number of times a file has been + played. The value is increased by one every time the file begins to + play. There may only be one "PCNT" frame in each tag. When the + counter reaches all one's, one byte is inserted in front of the + counter thus making the counter eight bits bigger. The counter must + be at least 32-bits long to begin with. + + <Header for 'Play counter', ID: "PCNT"> + Counter $xx xx xx xx (xx ...) + + +4.17. Popularimeter + + The purpose of this frame is to specify how good an audio file is. + Many interesting applications could be found to this frame such as a + playlist that features better audio files more often than others or + it could be used to profile a person's taste and find other 'good' + files by comparing people's profiles. The frame contains the email + address to the user, one rating byte and a four byte play counter, + intended to be increased with one for every time the file is played. + The email is a terminated string. The rating is 1-255 where 1 is + worst and 255 is best. 0 is unknown. If no personal counter is wanted + it may be omitted. When the counter reaches all one's, one byte is + inserted in front of the counter thus making the counter eight bits + bigger in the same away as the play counter ("PCNT"). There may be + more than one "POPM" frame in each tag, but only one with the same + email address. + + <Header for 'Popularimeter', ID: "POPM"> + Email to user <text string> $00 + Rating $xx + Counter $xx xx xx xx (xx ...) + + +4.18. Recommended buffer size + + Sometimes the server from which an audio file is streamed is aware of + transmission or coding problems resulting in interruptions in the + audio stream. In these cases, the size of the buffer can be + recommended by the server using this frame. If the 'embedded info + flag' is true (1) then this indicates that an ID3 tag with the + maximum size described in 'Buffer size' may occur in the audio + stream. In such case the tag should reside between two MPEG [MPEG] + frames, if the audio is MPEG encoded. If the position of the next tag + is known, 'offset to next tag' may be used. The offset is calculated + from the end of tag in which this frame resides to the first byte of + the header in the next. This field may be omitted. Embedded tags are + generally not recommended since this could render unpredictable + behaviour from present software/hardware. + + For applications like streaming audio it might be an idea to embed + tags into the audio stream though. If the clients connects to + individual connections like HTTP and there is a possibility to begin + every transmission with a tag, then this tag should include a + 'recommended buffer size' frame. If the client is connected to a + arbitrary point in the stream, such as radio or multicast, then the + 'recommended buffer size' frame SHOULD be included in every tag. + + The 'Buffer size' should be kept to a minimum. There may only be one + "RBUF" frame in each tag. + + <Header for 'Recommended buffer size', ID: "RBUF"> + Buffer size $xx xx xx + Embedded info flag %0000000x + Offset to next tag $xx xx xx xx + + +4.19. Audio encryption + + This frame indicates if the actual audio stream is encrypted, and by + whom. Since standardisation of such encryption scheme is beyond this + document, all "AENC" frames begin with a terminated string with a + URL containing an email address, or a link to a location where an + email address can be found, that belongs to the organisation + responsible for this specific encrypted audio file. Questions + regarding the encrypted audio should be sent to the email address + specified. If a $00 is found directly after the 'Frame size' and the + audio file indeed is encrypted, the whole file may be considered + useless. + + After the 'Owner identifier', a pointer to an unencrypted part of the + audio can be specified. The 'Preview start' and 'Preview length' is + described in frames. If no part is unencrypted, these fields should + be left zeroed. After the 'preview length' field follows optionally a + data block required for decryption of the audio. There may be more + than one "AENC" frames in a tag, but only one with the same 'Owner + identifier'. + + <Header for 'Audio encryption', ID: "AENC"> + Owner identifier <text string> $00 + Preview start $xx xx + Preview length $xx xx + Encryption info <binary data> + + +4.20. Linked information + + To keep information duplication as low as possible this frame may be + used to link information from another ID3v2 tag that might reside in + another audio file or alone in a binary file. It is RECOMMENDED that + this method is only used when the files are stored on a CD-ROM or + other circumstances when the risk of file separation is low. The + frame contains a frame identifier, which is the frame that should be + linked into this tag, a URL [URL] field, where a reference to the + file where the frame is given, and additional ID data, if needed. + Data should be retrieved from the first tag found in the file to + which this link points. There may be more than one "LINK" frame in a + tag, but only one with the same contents. A linked frame is to be + considered as part of the tag and has the same restrictions as if it + was a physical part of the tag (i.e. only one "RVRB" frame allowed, + whether it's linked or not). + + <Header for 'Linked information', ID: "LINK"> + Frame identifier $xx xx xx xx + URL <text string> $00 + ID and additional data <text string(s)> + + Frames that may be linked and need no additional data are "ASPI", + "ETCO", "EQU2", "MCID", "MLLT", "OWNE", "RVA2", "RVRB", "SYTC", the + text information frames and the URL link frames. + + The "AENC", "APIC", "GEOB" and "TXXX" frames may be linked with + the content descriptor as additional ID data. + + The "USER" frame may be linked with the language field as additional + ID data. + + The "PRIV" frame may be linked with the owner identifier as + additional ID data. + + The "COMM", "SYLT" and "USLT" frames may be linked with three bytes + of language descriptor directly followed by a content descriptor as + additional ID data. + + +4.21. Position synchronisation frame + + This frame delivers information to the listener of how far into the + audio stream he picked up; in effect, it states the time offset from + the first frame in the stream. The frame layout is: + + <Head for 'Position synchronisation', ID: "POSS"> + Time stamp format $xx + Position $xx (xx ...) + + Where time stamp format is: + + $01 Absolute time, 32 bit sized, using MPEG frames as unit + $02 Absolute time, 32 bit sized, using milliseconds as unit + + and position is where in the audio the listener starts to receive, + i.e. the beginning of the next frame. If this frame is used in the + beginning of a file the value is always 0. There may only be one + "POSS" frame in each tag. + + +4.22. Terms of use frame + + This frame contains a brief description of the terms of use and + ownership of the file. More detailed information concerning the legal + terms might be available through the "WCOP" frame. Newlines are + allowed in the text. There may be more than one 'Terms of use' frame + in a tag, but only one with the same 'Language'. + + <Header for 'Terms of use frame', ID: "USER"> + Text encoding $xx + Language $xx xx xx + The actual text <text string according to encoding> + + +4.23. Ownership frame + + The ownership frame might be used as a reminder of a made transaction + or, if signed, as proof. Note that the "USER" and "TOWN" frames are + good to use in conjunction with this one. The frame begins, after the + frame ID, size and encoding fields, with a 'price paid' field. The + first three characters of this field contains the currency used for + the transaction, encoded according to ISO 4217 [ISO-4217] alphabetic + currency code. Concatenated to this is the actual price paid, as a + numerical string using "." as the decimal separator. Next is an 8 + character date string (YYYYMMDD) followed by a string with the name + of the seller as the last field in the frame. There may only be one + "OWNE" frame in a tag. + + <Header for 'Ownership frame', ID: "OWNE"> + Text encoding $xx + Price paid <text string> $00 + Date of purch. <text string> + Seller <text string according to encoding> + + +4.24. Commercial frame + + This frame enables several competing offers in the same tag by + bundling all needed information. That makes this frame rather complex + but it's an easier solution than if one tries to achieve the same + result with several frames. The frame begins, after the frame ID, + size and encoding fields, with a price string field. A price is + constructed by one three character currency code, encoded according + to ISO 4217 [ISO-4217] alphabetic currency code, followed by a + numerical value where "." is used as decimal separator. In the price + string several prices may be concatenated, separated by a "/" + character, but there may only be one currency of each type. + + The price string is followed by an 8 character date string in the + format YYYYMMDD, describing for how long the price is valid. After + that is a contact URL, with which the user can contact the seller, + followed by a one byte 'received as' field. It describes how the + audio is delivered when bought according to the following list: + + $00 Other + $01 Standard CD album with other songs + $02 Compressed audio on CD + $03 File over the Internet + $04 Stream over the Internet + $05 As note sheets + $06 As note sheets in a book with other sheets + $07 Music on other media + $08 Non-musical merchandise + + Next follows a terminated string with the name of the seller followed + by a terminated string with a short description of the product. The + last thing is the ability to include a company logotype. The first of + them is the 'Picture MIME type' field containing information about + which picture format is used. In the event that the MIME media type + name is omitted, "image/" will be implied. Currently only "image/png" + and "image/jpeg" are allowed. This format string is followed by the + binary picture data. This two last fields may be omitted if no + picture is attached. There may be more than one 'commercial frame' in + a tag, but no two may be identical. + + <Header for 'Commercial frame', ID: "COMR"> + Text encoding $xx + Price string <text string> $00 + Valid until <text string> + Contact URL <text string> $00 + Received as $xx + Name of seller <text string according to encoding> $00 (00) + Description <text string according to encoding> $00 (00) + Picture MIME type <string> $00 + Seller logo <binary data> + + +4.25. Encryption method registration + + To identify with which method a frame has been encrypted the + encryption method must be registered in the tag with this frame. The + 'Owner identifier' is a null-terminated string with a URL [URL] + containing an email address, or a link to a location where an email + address can be found, that belongs to the organisation responsible + for this specific encryption method. Questions regarding the + encryption method should be sent to the indicated email address. The + 'Method symbol' contains a value that is associated with this method + throughout the whole tag, in the range $80-F0. All other values are + reserved. The 'Method symbol' may optionally be followed by + encryption specific data. There may be several "ENCR" frames in a tag + but only one containing the same symbol and only one containing the + same owner identifier. The method must be used somewhere in the tag. + See the description of the frame encryption flag in the ID3v2 + structure document [ID3v2-strct] for more information. + + <Header for 'Encryption method registration', ID: "ENCR"> + Owner identifier <text string> $00 + Method symbol $xx + Encryption data <binary data> + + +4.26. Group identification registration + + This frame enables grouping of otherwise unrelated frames. This can + be used when some frames are to be signed. To identify which frames + belongs to a set of frames a group identifier must be registered in + the tag with this frame. The 'Owner identifier' is a null-terminated + string with a URL [URL] containing an email address, or a link to a + location where an email address can be found, that belongs to the + organisation responsible for this grouping. Questions regarding the + grouping should be sent to the indicated email address. The 'Group + symbol' contains a value that associates the frame with this group + throughout the whole tag, in the range $80-F0. All other values are + reserved. The 'Group symbol' may optionally be followed by some group + specific data, e.g. a digital signature. There may be several "GRID" + frames in a tag but only one containing the same symbol and only one + containing the same owner identifier. The group symbol must be used + somewhere in the tag. See the description of the frame grouping flag + in the ID3v2 structure document [ID3v2-strct] for more information. + + <Header for 'Group ID registration', ID: "GRID"> + Owner identifier <text string> $00 + Group symbol $xx + Group dependent data <binary data> + + +4.27. Private frame + + This frame is used to contain information from a software producer + that its program uses and does not fit into the other frames. The + frame consists of an 'Owner identifier' string and the binary data. + The 'Owner identifier' is a null-terminated string with a URL [URL] + containing an email address, or a link to a location where an email + address can be found, that belongs to the organisation responsible + for the frame. Questions regarding the frame should be sent to the + indicated email address. The tag may contain more than one "PRIV" + frame but only with different contents. + + <Header for 'Private frame', ID: "PRIV"> + Owner identifier <text string> $00 + The private data <binary data> + + +4.28. Signature frame + + This frame enables a group of frames, grouped with the 'Group + identification registration', to be signed. Although signatures can + reside inside the registration frame, it might be desired to store + the signature elsewhere, e.g. in watermarks. There may be more than + one 'signature frame' in a tag, but no two may be identical. + + <Header for 'Signature frame', ID: "SIGN"> + Group symbol $xx + Signature <binary data> + + +4.29. Seek frame + + This frame indicates where other tags in a file/stream can be found. + The 'minimum offset to next tag' is calculated from the end of this + tag to the beginning of the next. There may only be one 'seek frame' + in a tag. + + <Header for 'Seek frame', ID: "SEEK"> + Minimum offset to next tag $xx xx xx xx + + +4.30. Audio seek point index + + Audio files with variable bit rates are intrinsically difficult to + deal with in the case of seeking within the file. The ASPI frame + makes seeking easier by providing a list a seek points within the + audio file. The seek points are a fractional offset within the audio + data, providing a starting point from which to find an appropriate + point to start decoding. The presence of an ASPI frame requires the + existence of a TLEN frame, indicating the duration of the file in + milliseconds. There may only be one 'audio seek point index' frame in + a tag. + + <Header for 'Seek Point Index', ID: "ASPI"> + Indexed data start (S) $xx xx xx xx + Indexed data length (L) $xx xx xx xx + Number of index points (N) $xx xx + Bits per index point (b) $xx + + Then for every index point the following data is included; + + Fraction at index (Fi) $xx (xx) + + 'Indexed data start' is a byte offset from the beginning of the file. + 'Indexed data length' is the byte length of the audio data being + indexed. 'Number of index points' is the number of index points, as + the name implies. The recommended number is 100. 'Bits per index + point' is 8 or 16, depending on the chosen precision. 8 bits works + well for short files (less than 5 minutes of audio), while 16 bits is + advantageous for long files. 'Fraction at index' is the numerator of + the fraction representing a relative position in the data. The + denominator is 2 to the power of b. + + Here are the algorithms to be used in the calculation. The known data + must be the offset of the start of the indexed data (S), the offset + of the end of the indexed data (E), the number of index points (N), + the offset at index i (Oi). We calculate the fraction at index i + (Fi). + + Oi is the offset of the frame whose start is soonest after the point + for which the time offset is (i/N * duration). + + The frame data should be calculated as follows: + + Fi = Oi/L * 2^b (rounded down to the nearest integer) + + Offset calculation should be calculated as follows from data in the + frame: + + Oi = (Fi/2^b)*L (rounded up to the nearest integer) + + +5. Copyright + + Copyright (C) Martin Nilsson 2000. All Rights Reserved. + + This document and translations of it may be copied and furnished to + others, and derivative works that comment on or otherwise explain it + or assist in its implementation may be prepared, copied, published + and distributed, in whole or in part, without restriction of any + kind, provided that a reference to this document is included on all + such copies and derivative works. However, this document itself may + not be modified in any way and reissued as the original document. + + The limited permissions granted above are perpetual and will not be + revoked. + + This document and the information contained herein is provided on an + "AS IS" basis and THE AUTHORS DISCLAIMS ALL WARRANTIES, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF + THE INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED + WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. + + +6. References + + [CDDB] Compact Disc Data Base + + <url:http://www.cddb.com> + + [ID3v2.3.0] Martin Nilsson, "ID3v2 informal standard". + + <url:http://www.id3.org/id3v2.3.0.txt> + + [ID3v2-strct] Martin Nilsson, + "ID3 tag version 2.4.0 - Main Structure" + + <url:http//www.id3.org/id3v2.4.0-structure.txt> + + [ISO-639-2] ISO/FDIS 639-2. + Codes for the representation of names of languages, Part 2: Alpha-3 + code. Technical committee / subcommittee: TC 37 / SC 2 + + [ISO-4217] ISO 4217:1995. + Codes for the representation of currencies and funds. + Technical committee / subcommittee: TC 68 + + [ISO-8859-1] ISO/IEC DIS 8859-1. + 8-bit single-byte coded graphic character sets, Part 1: Latin + alphabet No. 1. Technical committee / subcommittee: JTC 1 / SC 2 + + [ISRC] ISO 3901:1986 + International Standard Recording Code (ISRC). + Technical committee / subcommittee: TC 46 / SC 9 + + [JFIF] JPEG File Interchange Format, version 1.02 + + <url:http://www.w3.org/Graphics/JPEG/jfif.txt> + + [KEYWORDS] S. Bradner, 'Key words for use in RFCs to Indicate + Requirement Levels', RFC 2119, March 1997. + + <url:ftp://ftp.isi.edu/in-notes/rfc2119.txt> + + [MIME] Freed, N. and N. Borenstein, "Multipurpose Internet Mail + Extensions (MIME) Part One: Format of Internet Message Bodies", + RFC 2045, November 1996. + + <url:ftp://ftp.isi.edu/in-notes/rfc2045.txt> + + [MPEG] ISO/IEC 11172-3:1993. + Coding of moving pictures and associated audio for digital storage + media at up to about 1,5 Mbit/s, Part 3: Audio. + Technical committee / subcommittee: JTC 1 / SC 29 + and + ISO/IEC 13818-3:1995 + Generic coding of moving pictures and associated audio information, + Part 3: Audio. + Technical committee / subcommittee: JTC 1 / SC 29 + and + ISO/IEC DIS 13818-3 + Generic coding of moving pictures and associated audio information, + Part 3: Audio (Revision of ISO/IEC 13818-3:1995) + + + [PNG] Portable Network Graphics, version 1.0 + + <url:http://www.w3.org/TR/REC-png-multi.html> + + [URL] T. Berners-Lee, L. Masinter & M. McCahill, "Uniform Resource + Locators (URL).", RFC 1738, December 1994. + + <url:ftp://ftp.isi.edu/in-notes/rfc1738.txt> + + [ZLIB] P. Deutsch, Aladdin Enterprises & J-L. Gailly, "ZLIB + Compressed + Data Format Specification version 3.3", RFC 1950, May 1996. + + <url:ftp://ftp.isi.edu/in-notes/rfc1950.txt> + + +7. Appendix + + +A. Appendix A - Genre List from ID3v1 + + The following genres is defined in ID3v1 + + 0.Blues + 1.Classic Rock + 2.Country + 3.Dance + 4.Disco + 5.Funk + 6.Grunge + 7.Hip-Hop + 8.Jazz + 9.Metal + 10.New Age + 11.Oldies + 12.Other + 13.Pop + 14.R&B + 15.Rap + 16.Reggae + 17.Rock + 18.Techno + 19.Industrial + 20.Alternative + 21.Ska + 22.Death Metal + 23.Pranks + 24.Soundtrack + 25.Euro-Techno + 26.Ambient + 27.Trip-Hop + 28.Vocal + 29.Jazz+Funk + 30.Fusion + 31.Trance + 32.Classical + 33.Instrumental + 34.Acid + 35.House + 36.Game + 37.Sound Clip + 38.Gospel + 39.Noise + 40.AlternRock + 41.Bass + 42.Soul + 43.Punk + 44.Space + 45.Meditative + 46.Instrumental Pop + 47.Instrumental Rock + 48.Ethnic + 49.Gothic + 50.Darkwave + 51.Techno-Industrial + 52.Electronic + 53.Pop-Folk + 54.Eurodance + 55.Dream + 56.Southern Rock + 57.Comedy + 58.Cult + 59.Gangsta + 60.Top 40 + 61.Christian Rap + 62.Pop/Funk + 63.Jungle + 64.Native American + 65.Cabaret + 66.New Wave + 67.Psychadelic + 68.Rave + 69.Showtunes + 70.Trailer + 71.Lo-Fi + 72.Tribal + 73.Acid Punk + 74.Acid Jazz + 75.Polka + 76.Retro + 77.Musical + 78.Rock & Roll + 79.Hard Rock + + +8. Author's Address + + Written by + + Martin Nilsson + Rydsvägen 246 C. 30 + SE-584 34 Linköping + Sweden + + Email: nilsson@id3.org diff --git a/libs/taglib/taglib/mpeg/id3v2/id3v2.4.0-structure.txt b/libs/taglib/taglib/mpeg/id3v2/id3v2.4.0-structure.txt new file mode 100644 index 0000000000..5fa156a0ad --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/id3v2.4.0-structure.txt @@ -0,0 +1,733 @@ + +Informal standard M. Nilsson +Document: id3v2.4.0-structure.txt 16 September 2001 + + + ID3 tag version 2.4.0 - Main Structure + +Status of this document + + This document is an informal standard and replaces the ID3v2.3.0 + standard [ID3v2]. A formal standard will use another revision number + even if the content is identical to document. The contents in this + document may change for clarifications but never for added or altered + functionallity. + + Distribution of this document is unlimited. + + +Abstract + + This document describes the main structure of ID3v2.4.0, which is a + revised version of the ID3v2 informal standard [ID3v2] version + 2.3.0. The ID3v2 offers a flexible way of storing audio meta + information within the audio file itself. The information may be + technical information, such as equalisation curves, as well as + title, performer, copyright etc. + + ID3v2.4.0 is meant to be as close as possible to ID3v2.3.0 in order + to allow for implementations to be revised as easily as possible. + + +1. Table of contents + + Status of this document + Abstract + 1. Table of contents + 2. Conventions in this document + 2. Standard overview + 3. ID3v2 overview + 3.1. ID3v2 header + 3.2. ID3v2 extended header + 3.3. Padding + 3.4. ID3v2 footer + 4. ID3v2 frames overview + 4.1. Frame header flags + 4.1.1. Frame status flags + 4.1.2. Frame format flags + 5. Tag location + 6. Unsynchronisation + 6.1. The unsynchronisation scheme + 6.2. Synchsafe integers + 7. Copyright + 8. References + 9. Author's Address + + +2. Conventions in this document + + Text within "" is a text string exactly as it appears in a tag. + Numbers preceded with $ are hexadecimal and numbers preceded with % + are binary. $xx is used to indicate a byte with unknown content. %x + is used to indicate a bit with unknown content. The most significant + bit (MSB) of a byte is called 'bit 7' and the least significant bit + (LSB) is called 'bit 0'. + + A tag is the whole tag described in this document. A frame is a block + of information in the tag. The tag consists of a header, frames and + optional padding. A field is a piece of information; one value, a + string etc. A numeric string is a string that consists of the + characters "0123456789" only. + + The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", + "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this + document are to be interpreted as described in RFC 2119 [KEYWORDS]. + + +3. ID3v2 overview + + ID3v2 is a general tagging format for audio, which makes it possible + to store meta data about the audio inside the audio file itself. The + ID3 tag described in this document is mainly targeted at files + encoded with MPEG-1/2 layer I, MPEG-1/2 layer II, MPEG-1/2 layer III + and MPEG-2.5, but may work with other types of encoded audio or as a + stand alone format for audio meta data. + + ID3v2 is designed to be as flexible and expandable as possible to + meet new meta information needs that might arise. To achieve that + ID3v2 is constructed as a container for several information blocks, + called frames, whose format need not be known to the software that + encounters them. At the start of every frame is an unique and + predefined identifier, a size descriptor that allows software to skip + unknown frames and a flags field. The flags describes encoding + details and if the frame should remain in the tag, should it be + unknown to the software, if the file is altered. + + The bitorder in ID3v2 is most significant bit first (MSB). The + byteorder in multibyte numbers is most significant byte first (e.g. + $12345678 would be encoded $12 34 56 78), also known as big endian + and network byte order. + + Overall tag structure: + + +-----------------------------+ + | Header (10 bytes) | + +-----------------------------+ + | Extended Header | + | (variable length, OPTIONAL) | + +-----------------------------+ + | Frames (variable length) | + +-----------------------------+ + | Padding | + | (variable length, OPTIONAL) | + +-----------------------------+ + | Footer (10 bytes, OPTIONAL) | + +-----------------------------+ + + In general, padding and footer are mutually exclusive. See details in + sections 3.3, 3.4 and 5. + + +3.1. ID3v2 header + + The first part of the ID3v2 tag is the 10 byte tag header, laid out + as follows: + + ID3v2/file identifier "ID3" + ID3v2 version $04 00 + ID3v2 flags %abcd0000 + ID3v2 size 4 * %0xxxxxxx + + The first three bytes of the tag are always "ID3", to indicate that + this is an ID3v2 tag, directly followed by the two version bytes. The + first byte of ID3v2 version is its major version, while the second + byte is its revision number. In this case this is ID3v2.4.0. All + revisions are backwards compatible while major versions are not. If + software with ID3v2.4.0 and below support should encounter version + five or higher it should simply ignore the whole tag. Version or + revision will never be $FF. + + The version is followed by the ID3v2 flags field, of which currently + four flags are used. + + + a - Unsynchronisation + + Bit 7 in the 'ID3v2 flags' indicates whether or not + unsynchronisation is applied on all frames (see section 6.1 for + details); a set bit indicates usage. + + + b - Extended header + + The second bit (bit 6) indicates whether or not the header is + followed by an extended header. The extended header is described in + section 3.2. A set bit indicates the presence of an extended + header. + + + c - Experimental indicator + + The third bit (bit 5) is used as an 'experimental indicator'. This + flag SHALL always be set when the tag is in an experimental stage. + + + d - Footer present + + Bit 4 indicates that a footer (section 3.4) is present at the very + end of the tag. A set bit indicates the presence of a footer. + + + All the other flags MUST be cleared. If one of these undefined flags + are set, the tag might not be readable for a parser that does not + know the flags function. + + The ID3v2 tag size is stored as a 32 bit synchsafe integer (section + 6.2), making a total of 28 effective bits (representing up to 256MB). + + The ID3v2 tag size is the sum of the byte length of the extended + header, the padding and the frames after unsynchronisation. If a + footer is present this equals to ('total size' - 20) bytes, otherwise + ('total size' - 10) bytes. + + An ID3v2 tag can be detected with the following pattern: + $49 44 33 yy yy xx zz zz zz zz + Where yy is less than $FF, xx is the 'flags' byte and zz is less than + $80. + + +3.2. Extended header + + The extended header contains information that can provide further + insight in the structure of the tag, but is not vital to the correct + parsing of the tag information; hence the extended header is + optional. + + Extended header size 4 * %0xxxxxxx + Number of flag bytes $01 + Extended Flags $xx + + Where the 'Extended header size' is the size of the whole extended + header, stored as a 32 bit synchsafe integer. An extended header can + thus never have a size of fewer than six bytes. + + The extended flags field, with its size described by 'number of flag + bytes', is defined as: + + %0bcd0000 + + Each flag that is set in the extended header has data attached, which + comes in the order in which the flags are encountered (i.e. the data + for flag 'b' comes before the data for flag 'c'). Unset flags cannot + have any attached data. All unknown flags MUST be unset and their + corresponding data removed when a tag is modified. + + Every set flag's data starts with a length byte, which contains a + value between 0 and 127 ($00 - $7f), followed by data that has the + field length indicated by the length byte. If a flag has no attached + data, the value $00 is used as length byte. + + + b - Tag is an update + + If this flag is set, the present tag is an update of a tag found + earlier in the present file or stream. If frames defined as unique + are found in the present tag, they are to override any + corresponding ones found in the earlier tag. This flag has no + corresponding data. + + Flag data length $00 + + c - CRC data present + + If this flag is set, a CRC-32 [ISO-3309] data is included in the + extended header. The CRC is calculated on all the data between the + header and footer as indicated by the header's tag length field, + minus the extended header. Note that this includes the padding (if + there is any), but excludes the footer. The CRC-32 is stored as an + 35 bit synchsafe integer, leaving the upper four bits always + zeroed. + + Flag data length $05 + Total frame CRC 5 * %0xxxxxxx + + d - Tag restrictions + + For some applications it might be desired to restrict a tag in more + ways than imposed by the ID3v2 specification. Note that the + presence of these restrictions does not affect how the tag is + decoded, merely how it was restricted before encoding. If this flag + is set the tag is restricted as follows: + + Flag data length $01 + Restrictions %ppqrrstt + + p - Tag size restrictions + + 00 No more than 128 frames and 1 MB total tag size. + 01 No more than 64 frames and 128 KB total tag size. + 10 No more than 32 frames and 40 KB total tag size. + 11 No more than 32 frames and 4 KB total tag size. + + q - Text encoding restrictions + + 0 No restrictions + 1 Strings are only encoded with ISO-8859-1 [ISO-8859-1] or + UTF-8 [UTF-8]. + + r - Text fields size restrictions + + 00 No restrictions + 01 No string is longer than 1024 characters. + 10 No string is longer than 128 characters. + 11 No string is longer than 30 characters. + + Note that nothing is said about how many bytes is used to + represent those characters, since it is encoding dependent. If a + text frame consists of more than one string, the sum of the + strungs is restricted as stated. + + s - Image encoding restrictions + + 0 No restrictions + 1 Images are encoded only with PNG [PNG] or JPEG [JFIF]. + + t - Image size restrictions + + 00 No restrictions + 01 All images are 256x256 pixels or smaller. + 10 All images are 64x64 pixels or smaller. + 11 All images are exactly 64x64 pixels, unless required + otherwise. + + +3.3. Padding + + It is OPTIONAL to include padding after the final frame (at the end + of the ID3 tag), making the size of all the frames together smaller + than the size given in the tag header. A possible purpose of this + padding is to allow for adding a few additional frames or enlarge + existing frames within the tag without having to rewrite the entire + file. The value of the padding bytes must be $00. A tag MUST NOT have + any padding between the frames or between the tag header and the + frames. Furthermore it MUST NOT have any padding when a tag footer is + added to the tag. + + +3.4. ID3v2 footer + + To speed up the process of locating an ID3v2 tag when searching from + the end of a file, a footer can be added to the tag. It is REQUIRED + to add a footer to an appended tag, i.e. a tag located after all + audio data. The footer is a copy of the header, but with a different + identifier. + + ID3v2 identifier "3DI" + ID3v2 version $04 00 + ID3v2 flags %abcd0000 + ID3v2 size 4 * %0xxxxxxx + + +4. ID3v2 frame overview + + All ID3v2 frames consists of one frame header followed by one or more + fields containing the actual information. The header is always 10 + bytes and laid out as follows: + + Frame ID $xx xx xx xx (four characters) + Size 4 * %0xxxxxxx + Flags $xx xx + + The frame ID is made out of the characters capital A-Z and 0-9. + Identifiers beginning with "X", "Y" and "Z" are for experimental + frames and free for everyone to use, without the need to set the + experimental bit in the tag header. Bear in mind that someone else + might have used the same identifier as you. All other identifiers are + either used or reserved for future use. + + The frame ID is followed by a size descriptor containing the size of + the data in the final frame, after encryption, compression and + unsynchronisation. The size is excluding the frame header ('total + frame size' - 10 bytes) and stored as a 32 bit synchsafe integer. + + In the frame header the size descriptor is followed by two flag + bytes. These flags are described in section 4.1. + + There is no fixed order of the frames' appearance in the tag, + although it is desired that the frames are arranged in order of + significance concerning the recognition of the file. An example of + such order: UFID, TIT2, MCDI, TRCK ... + + A tag MUST contain at least one frame. A frame must be at least 1 + byte big, excluding the header. + + If nothing else is said, strings, including numeric strings and URLs + [URL], are represented as ISO-8859-1 [ISO-8859-1] characters in the + range $20 - $FF. Such strings are represented in frame descriptions + as <text string>, or <full text string> if newlines are allowed. If + nothing else is said newline character is forbidden. In ISO-8859-1 a + newline is represented, when allowed, with $0A only. + + Frames that allow different types of text encoding contains a text + encoding description byte. Possible encodings: + + $00 ISO-8859-1 [ISO-8859-1]. Terminated with $00. + $01 UTF-16 [UTF-16] encoded Unicode [UNICODE] with BOM. All + strings in the same frame SHALL have the same byteorder. + Terminated with $00 00. + $02 UTF-16BE [UTF-16] encoded Unicode [UNICODE] without BOM. + Terminated with $00 00. + $03 UTF-8 [UTF-8] encoded Unicode [UNICODE]. Terminated with $00. + + Strings dependent on encoding are represented in frame descriptions + as <text string according to encoding>, or <full text string + according to encoding> if newlines are allowed. Any empty strings of + type $01 which are NULL-terminated may have the Unicode BOM followed + by a Unicode NULL ($FF FE 00 00 or $FE FF 00 00). + + The timestamp fields are based on a subset of ISO 8601. When being as + precise as possible the format of a time string is + yyyy-MM-ddTHH:mm:ss (year, "-", month, "-", day, "T", hour (out of + 24), ":", minutes, ":", seconds), but the precision may be reduced by + removing as many time indicators as wanted. Hence valid timestamps + are + yyyy, yyyy-MM, yyyy-MM-dd, yyyy-MM-ddTHH, yyyy-MM-ddTHH:mm and + yyyy-MM-ddTHH:mm:ss. All time stamps are UTC. For durations, use + the slash character as described in 8601, and for multiple non- + contiguous dates, use multiple strings, if allowed by the frame + definition. + + The three byte language field, present in several frames, is used to + describe the language of the frame's content, according to ISO-639-2 + [ISO-639-2]. The language should be represented in lower case. If the + language is not known the string "XXX" should be used. + + All URLs [URL] MAY be relative, e.g. "picture.png", "../doc.txt". + + If a frame is longer than it should be, e.g. having more fields than + specified in this document, that indicates that additions to the + frame have been made in a later version of the ID3v2 standard. This + is reflected by the revision number in the header of the tag. + + +4.1. Frame header flags + + In the frame header the size descriptor is followed by two flag + bytes. All unused flags MUST be cleared. The first byte is for + 'status messages' and the second byte is a format description. If an + unknown flag is set in the first byte the frame MUST NOT be changed + without that bit cleared. If an unknown flag is set in the second + byte the frame is likely to not be readable. Some flags in the second + byte indicates that extra information is added to the header. These + fields of extra information is ordered as the flags that indicates + them. The flags field is defined as follows (l and o left out because + ther resemblence to one and zero): + + %0abc0000 %0h00kmnp + + Some frame format flags indicate that additional information fields + are added to the frame. This information is added after the frame + header and before the frame data in the same order as the flags that + indicates them. I.e. the four bytes of decompressed size will precede + the encryption method byte. These additions affects the 'frame size' + field, but are not subject to encryption or compression. + + The default status flags setting for a frame is, unless stated + otherwise, 'preserved if tag is altered' and 'preserved if file is + altered', i.e. %00000000. + + +4.1.1. Frame status flags + + a - Tag alter preservation + + This flag tells the tag parser what to do with this frame if it is + unknown and the tag is altered in any way. This applies to all + kinds of alterations, including adding more padding and reordering + the frames. + + 0 Frame should be preserved. + 1 Frame should be discarded. + + + b - File alter preservation + + This flag tells the tag parser what to do with this frame if it is + unknown and the file, excluding the tag, is altered. This does not + apply when the audio is completely replaced with other audio data. + + 0 Frame should be preserved. + 1 Frame should be discarded. + + + c - Read only + + This flag, if set, tells the software that the contents of this + frame are intended to be read only. Changing the contents might + break something, e.g. a signature. If the contents are changed, + without knowledge of why the frame was flagged read only and + without taking the proper means to compensate, e.g. recalculating + the signature, the bit MUST be cleared. + + +4.1.2. Frame format flags + + h - Grouping identity + + This flag indicates whether or not this frame belongs in a group + with other frames. If set, a group identifier byte is added to the + frame. Every frame with the same group identifier belongs to the + same group. + + 0 Frame does not contain group information + 1 Frame contains group information + + + k - Compression + + This flag indicates whether or not the frame is compressed. + A 'Data Length Indicator' byte MUST be included in the frame. + + 0 Frame is not compressed. + 1 Frame is compressed using zlib [zlib] deflate method. + If set, this requires the 'Data Length Indicator' bit + to be set as well. + + + m - Encryption + + This flag indicates whether or not the frame is encrypted. If set, + one byte indicating with which method it was encrypted will be + added to the frame. See description of the ENCR frame for more + information about encryption method registration. Encryption + should be done after compression. Whether or not setting this flag + requires the presence of a 'Data Length Indicator' depends on the + specific algorithm used. + + 0 Frame is not encrypted. + 1 Frame is encrypted. + + n - Unsynchronisation + + This flag indicates whether or not unsynchronisation was applied + to this frame. See section 6 for details on unsynchronisation. + If this flag is set all data from the end of this header to the + end of this frame has been unsynchronised. Although desirable, the + presence of a 'Data Length Indicator' is not made mandatory by + unsynchronisation. + + 0 Frame has not been unsynchronised. + 1 Frame has been unsyrchronised. + + p - Data length indicator + + This flag indicates that a data length indicator has been added to + the frame. The data length indicator is the value one would write + as the 'Frame length' if all of the frame format flags were + zeroed, represented as a 32 bit synchsafe integer. + + 0 There is no Data Length Indicator. + 1 A data length Indicator has been added to the frame. + + +5. Tag location + + The default location of an ID3v2 tag is prepended to the audio so + that players can benefit from the information when the data is + streamed. It is however possible to append the tag, or make a + prepend/append combination. When deciding upon where an unembedded + tag should be located, the following order of preference SHOULD be + considered. + + 1. Prepend the tag. + + 2. Prepend a tag with all vital information and add a second tag at + the end of the file, before tags from other tagging systems. The + first tag is required to have a SEEK frame. + + 3. Add a tag at the end of the file, before tags from other tagging + systems. + + In case 2 and 3 the tag can simply be appended if no other known tags + are present. The suggested method to find ID3v2 tags are: + + 1. Look for a prepended tag using the pattern found in section 3.1. + + 2. If a SEEK frame was found, use its values to guide further + searching. + + 3. Look for a tag footer, scanning from the back of the file. + + For every new tag that is found, the old tag should be discarded + unless the update flag in the extended header (section 3.2) is set. + + +6. Unsynchronisation + + The only purpose of unsynchronisation is to make the ID3v2 tag as + compatible as possible with existing software and hardware. There is + no use in 'unsynchronising' tags if the file is only to be processed + only by ID3v2 aware software and hardware. Unsynchronisation is only + useful with tags in MPEG 1/2 layer I, II and III, MPEG 2.5 and AAC + files. + + +6.1. The unsynchronisation scheme + + Whenever a false synchronisation is found within the tag, one zeroed + byte is inserted after the first false synchronisation byte. The + format of synchronisations that should be altered by ID3 encoders is + as follows: + + %11111111 111xxxxx + + and should be replaced with: + + %11111111 00000000 111xxxxx + + This has the side effect that all $FF 00 combinations have to be + altered, so they will not be affected by the decoding process. + Therefore all the $FF 00 combinations have to be replaced with the + $FF 00 00 combination during the unsynchronisation. + + To indicate usage of the unsynchronisation, the unsynchronisation + flag in the frame header should be set. This bit MUST be set if the + frame was altered by the unsynchronisation and SHOULD NOT be set if + unaltered. If all frames in the tag are unsynchronised the + unsynchronisation flag in the tag header SHOULD be set. It MUST NOT + be set if the tag has a frame which is not unsynchronised. + + Assume the first byte of the audio to be $FF. The special case when + the last byte of the last frame is $FF and no padding nor footer is + used will then introduce a false synchronisation. This can be solved + by adding a footer, adding padding or unsynchronising the frame and + add $00 to the end of the frame data, thus adding more byte to the + frame size than a normal unsynchronisation would. Although not + preferred, it is allowed to apply the last method on all frames + ending with $FF. + + It is preferred that the tag is either completely unsynchronised or + not unsynchronised at all. A completely unsynchronised tag has no + false synchonisations in it, as defined above, and does not end with + $FF. A completely non-unsynchronised tag contains no unsynchronised + frames, and thus the unsynchronisation flag in the header is cleared. + + Do bear in mind, that if compression or encryption is used, the + unsynchronisation scheme MUST be applied afterwards. When decoding an + unsynchronised frame, the unsynchronisation scheme MUST be reversed + first, encryption and decompression afterwards. + + +6.2. Synchsafe integers + + In some parts of the tag it is inconvenient to use the + unsychronisation scheme because the size of unsynchronised data is + not known in advance, which is particularly problematic with size + descriptors. The solution in ID3v2 is to use synchsafe integers, in + which there can never be any false synchs. Synchsafe integers are + integers that keep its highest bit (bit 7) zeroed, making seven bits + out of eight available. Thus a 32 bit synchsafe integer can store 28 + bits of information. + + Example: + + 255 (%11111111) encoded as a 16 bit synchsafe integer is 383 + (%00000001 01111111). + + +7. Copyright + + Copyright (C) Martin Nilsson 2000. All Rights Reserved. + + This document and translations of it may be copied and furnished to + others, and derivative works that comment on or otherwise explain it + or assist in its implementation may be prepared, copied, published + and distributed, in whole or in part, without restriction of any + kind, provided that a reference to this document is included on all + such copies and derivative works. However, this document itself may + not be modified in any way and reissued as the original document. + + The limited permissions granted above are perpetual and will not be + revoked. + + This document and the information contained herein is provided on an + 'AS IS' basis and THE AUTHORS DISCLAIMS ALL WARRANTIES, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF + THE INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED + WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. + + +8. References + + [ID3v2] Martin Nilsson, 'ID3v2 informal standard'. + + <url:http://www.id3.org/id3v2.3.0.txt> + + [ISO-639-2] ISO/FDIS 639-2. + 'Codes for the representation of names of languages, Part 2: Alpha-3 + code.' Technical committee / subcommittee: TC 37 / SC 2 + + [ISO-3309] ISO 3309 + 'Information Processing Systems--Data Communication High-Level Data + Link Control Procedure--Frame Structure', IS 3309, October 1984, 3rd + Edition. + + [ISO-8859-1] ISO/IEC DIS 8859-1. + '8-bit single-byte coded graphic character sets, Part 1: Latin + alphabet No. 1.' Technical committee / subcommittee: JTC 1 / SC 2 + + [JFIF] 'JPEG File Interchange Format, version 1.02' + + <url:http://www.w3.org/Graphics/JPEG/jfif.txt> + + [KEYWORDS] S. Bradner, 'Key words for use in RFCs to Indicate + Requirement Levels', RFC 2119, March 1997. + + <url:ftp://ftp.isi.edu/in-notes/rfc2119.txt> + + [MPEG] ISO/IEC 11172-3:1993. + 'Coding of moving pictures and associated audio for digital storage + media at up to about 1,5 Mbit/s, Part 3: Audio.' + Technical committee / subcommittee: JTC 1 / SC 29 + and + ISO/IEC 13818-3:1995 + 'Generic coding of moving pictures and associated audio information, + Part 3: Audio.' + Technical committee / subcommittee: JTC 1 / SC 29 + and + ISO/IEC DIS 13818-3 + 'Generic coding of moving pictures and associated audio information, + Part 3: Audio (Revision of ISO/IEC 13818-3:1995)' + + [PNG] 'Portable Network Graphics, version 1.0' + + <url:http://www.w3.org/TR/REC-png-multi.html> + + [UNICODE] The Unicode Consortium, + 'The Unicode Standard Version 3.0', ISBN 0-201-61633-5. + + <url:http://www.unicode.org/unicode/standard/versions/Unicode3.0.htm> + + [URL] T. Berners-Lee, L. Masinter & M. McCahill, 'Uniform Resource + Locators (URL)', RFC 1738, December 1994. + + <url:ftp://ftp.isi.edu/in-notes/rfc1738.txt> + + [UTF-8] F. Yergeau, 'UTF-8, a transformation format of ISO 10646', + RFC 2279, January 1998. + + <url:ftp://ftp.isi.edu/in-notes/rfc2279.txt> + + [UTF-16] F. Yergeau, 'UTF-16, an encoding of ISO 10646', RFC 2781, + February 2000. + + <url:ftp://ftp.isi.edu/in-notes/rfc2781.txt> + + [ZLIB] P. Deutsch, Aladdin Enterprises & J-L. Gailly, 'ZLIB + Compressed Data Format Specification version 3.3', RFC 1950, + May 1996. + + <url:ftp://ftp.isi.edu/in-notes/rfc1950.txt> + + +9. Author's Address + + Written by + + Martin Nilsson + Rydsvägen 246 C. 30 + SE-584 34 Linköping + Sweden + + Email: nilsson@id3.org + diff --git a/libs/taglib/taglib/mpeg/id3v2/id3v2extendedheader.cpp b/libs/taglib/taglib/mpeg/id3v2/id3v2extendedheader.cpp new file mode 100644 index 0000000000..bd470a0add --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/id3v2extendedheader.cpp @@ -0,0 +1,71 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include "id3v2extendedheader.h" +#include "id3v2synchdata.h" + +using namespace TagLib; +using namespace ID3v2; + +class ExtendedHeader::ExtendedHeaderPrivate +{ +public: + ExtendedHeaderPrivate() : size(0) {} + + uint size; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public methods +//////////////////////////////////////////////////////////////////////////////// + +ExtendedHeader::ExtendedHeader() +{ + d = new ExtendedHeaderPrivate(); +} + +ExtendedHeader::~ExtendedHeader() +{ + delete d; +} + +TagLib::uint ExtendedHeader::size() const +{ + return d->size; +} + +void ExtendedHeader::setData(const ByteVector &data) +{ + parse(data); +} + +//////////////////////////////////////////////////////////////////////////////// +// protected members +//////////////////////////////////////////////////////////////////////////////// + +void ExtendedHeader::parse(const ByteVector &data) +{ + d->size = SynchData::toUInt(data.mid(0, 4)); // (structure 3.2 "Extended header size") +} diff --git a/libs/taglib/taglib/mpeg/id3v2/id3v2extendedheader.h b/libs/taglib/taglib/mpeg/id3v2/id3v2extendedheader.h new file mode 100644 index 0000000000..9750fae69a --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/id3v2extendedheader.h @@ -0,0 +1,93 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_ID3V2EXTENDEDHEADER_H +#define TAGLIB_ID3V2EXTENDEDHEADER_H + +#include "taglib_export.h" +#include "tbytevector.h" +#include "taglib.h" + +namespace TagLib { + + namespace ID3v2 { + + //! ID3v2 extended header implementation + + /*! + * This class implements ID3v2 extended headers. It attempts to follow, + * both semantically and programatically, the structure specified in + * the ID3v2 standard. The API is based on the properties of ID3v2 extended + * headers specified there. If any of the terms used in this documentation + * are unclear please check the specification in the linked section. + * (Structure, <a href="id3v2-structure.html#3.2">3.2</a>) + */ + + class TAGLIB_EXPORT ExtendedHeader + { + public: + /*! + * Constructs an empty ID3v2 extended header. + */ + ExtendedHeader(); + + /*! + * Destroys the extended header. + */ + virtual ~ExtendedHeader(); + + /*! + * Returns the size of the extended header. This is variable for the + * extended header. + */ + uint size() const; + + /*! + * Sets the data that will be used as the extended header. Since the + * length is not known before the extended header has been parsed, this + * should just be a pointer to the first byte of the extended header. It + * will determine the length internally and make that available through + * size(). + */ + void setData(const ByteVector &data); + + protected: + /*! + * Called by setData() to parse the extended header data. It makes this + * information available through the public API. + */ + void parse(const ByteVector &data); + + private: + ExtendedHeader(const ExtendedHeader &); + ExtendedHeader &operator=(const ExtendedHeader &); + + class ExtendedHeaderPrivate; + ExtendedHeaderPrivate *d; + }; + + } +} +#endif diff --git a/libs/taglib/taglib/mpeg/id3v2/id3v2footer.cpp b/libs/taglib/taglib/mpeg/id3v2/id3v2footer.cpp new file mode 100644 index 0000000000..387bcf3229 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/id3v2footer.cpp @@ -0,0 +1,60 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include "id3v2footer.h" +#include "id3v2header.h" + +using namespace TagLib; +using namespace ID3v2; + +class Footer::FooterPrivate +{ +public: + static const uint size = 10; +}; + +Footer::Footer() +{ + +} + +Footer::~Footer() +{ + +} + +const unsigned int Footer::size() +{ + return FooterPrivate::size; +} + +ByteVector Footer::render(const Header *header) const +{ + ByteVector headerData = header->render(); + headerData[0] = '3'; + headerData[1] = 'D'; + headerData[2] = 'I'; + return headerData; +} diff --git a/libs/taglib/taglib/mpeg/id3v2/id3v2footer.h b/libs/taglib/taglib/mpeg/id3v2/id3v2footer.h new file mode 100644 index 0000000000..112e75810a --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/id3v2footer.h @@ -0,0 +1,82 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_ID3V2FOOTER_H +#define TAGLIB_ID3V2FOOTER_H + +#include "taglib_export.h" +#include "tbytevector.h" + +namespace TagLib { + + namespace ID3v2 { + + class Header; + + //! ID3v2 footer implementation + + /*! + * Per the ID3v2 specification, the tag's footer is just a copy of the + * information in the header. As such there is no API for reading the + * data from the header, it can just as easily be done from the header. + * + * In fact, at this point, TagLib does not even parse the footer since + * it is not useful internally. However, if the flag to include a footer + * has been set in the ID3v2::Tag, TagLib will render a footer. + */ + + class TAGLIB_EXPORT Footer + { + public: + /*! + * Constructs an empty ID3v2 footer. + */ + Footer(); + /*! + * Destroys the footer. + */ + virtual ~Footer(); + + /*! + * Returns the size of the footer. Presently this is always 10 bytes. + */ + static const unsigned int size(); + + /*! + * Renders the footer based on the data in \a header. + */ + ByteVector render(const Header *header) const; + + private: + Footer(const Footer &); + Footer &operator=(const Footer &); + + class FooterPrivate; + FooterPrivate *d; + }; + + } +} +#endif diff --git a/libs/taglib/taglib/mpeg/id3v2/id3v2frame.cpp b/libs/taglib/taglib/mpeg/id3v2/id3v2frame.cpp new file mode 100644 index 0000000000..7c76ac7b94 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/id3v2frame.cpp @@ -0,0 +1,549 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef HAVE_ZLIB +#include <config.h> +#endif + +#if HAVE_ZLIB +#include <zlib.h> +#endif + +#include <bitset> + +#include <tdebug.h> +#include <tstringlist.h> + +#include "id3v2frame.h" +#include "id3v2synchdata.h" + +using namespace TagLib; +using namespace ID3v2; + +class Frame::FramePrivate +{ +public: + FramePrivate() : + header(0) + {} + + ~FramePrivate() + { + delete header; + } + + Frame::Header *header; +}; + +namespace +{ + bool isValidFrameID(const ByteVector &frameID) + { + if(frameID.size() != 4) + return false; + + for(ByteVector::ConstIterator it = frameID.begin(); it != frameID.end(); it++) { + if( (*it < 'A' || *it > 'Z') && (*it < '1' || *it > '9') ) { + return false; + } + } + return true; + } +} + +//////////////////////////////////////////////////////////////////////////////// +// static methods +//////////////////////////////////////////////////////////////////////////////// + +TagLib::uint Frame::headerSize() +{ + return Header::size(); +} + +TagLib::uint Frame::headerSize(uint version) +{ + return Header::size(version); +} + +ByteVector Frame::textDelimiter(String::Type t) +{ + ByteVector d = char(0); + if(t == String::UTF16 || t == String::UTF16BE || t == String::UTF16LE) + d.append(char(0)); + return d; +} + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +Frame::~Frame() +{ + delete d; +} + +ByteVector Frame::frameID() const +{ + if(d->header) + return d->header->frameID(); + else + return ByteVector::null; +} + +TagLib::uint Frame::size() const +{ + if(d->header) + return d->header->frameSize(); + else + return 0; +} + +void Frame::setData(const ByteVector &data) +{ + parse(data); +} + +void Frame::setText(const String &) +{ + +} + +ByteVector Frame::render() const +{ + ByteVector fieldData = renderFields(); + d->header->setFrameSize(fieldData.size()); + ByteVector headerData = d->header->render(); + + return headerData + fieldData; +} + +//////////////////////////////////////////////////////////////////////////////// +// protected members +//////////////////////////////////////////////////////////////////////////////// + +Frame::Frame(const ByteVector &data) +{ + d = new FramePrivate; + d->header = new Header(data); +} + +Frame::Frame(Header *h) +{ + d = new FramePrivate; + d->header = h; +} + +Frame::Header *Frame::header() const +{ + return d->header; +} + +void Frame::setHeader(Header *h, bool deleteCurrent) +{ + if(deleteCurrent) + delete d->header; + + d->header = h; +} + +void Frame::parse(const ByteVector &data) +{ + if(d->header) + d->header->setData(data); + else + d->header = new Header(data); + + parseFields(fieldData(data)); +} + +ByteVector Frame::fieldData(const ByteVector &frameData) const +{ + uint headerSize = Header::size(d->header->version()); + + uint frameDataOffset = headerSize; + uint frameDataLength = size(); + + if(d->header->compression() || d->header->dataLengthIndicator()) { + frameDataLength = SynchData::toUInt(frameData.mid(headerSize, 4)); + frameDataOffset += 4; + } + +#if HAVE_ZLIB + if(d->header->compression() && + !d->header->encryption()) + { + ByteVector data(frameDataLength); + uLongf uLongTmp = frameDataLength; + ::uncompress((Bytef *) data.data(), + (uLongf *) &uLongTmp, + (Bytef *) frameData.data() + frameDataOffset, + size()); + return data; + } + else +#endif + return frameData.mid(frameDataOffset, frameDataLength); +} + +String Frame::readStringField(const ByteVector &data, String::Type encoding, int *position) +{ + int start = 0; + + if(!position) + position = &start; + + ByteVector delimiter = textDelimiter(encoding); + + int end = data.find(delimiter, *position, delimiter.size()); + + if(end < *position) + return String::null; + + String str = String(data.mid(*position, end - *position), encoding); + + *position = end + delimiter.size(); + + return str; +} + +String::Type Frame::checkEncoding(const StringList &fields, String::Type encoding) // static +{ + if(encoding != String::Latin1) + return encoding; + + for(StringList::ConstIterator it = fields.begin(); it != fields.end(); ++it) { + if(!(*it).isLatin1()) { + debug("Frame::checkEncoding() -- Rendering using UTF8."); + return String::UTF8; + } + } + + return String::Latin1; +} + +//////////////////////////////////////////////////////////////////////////////// +// Frame::Header class +//////////////////////////////////////////////////////////////////////////////// + +class Frame::Header::HeaderPrivate +{ +public: + HeaderPrivate() : + frameSize(0), + version(4), + tagAlterPreservation(false), + fileAlterPreservation(false), + readOnly(false), + groupingIdentity(false), + compression(false), + encryption(false), + unsynchronisation(false), + dataLengthIndicator(false) + {} + + ByteVector frameID; + uint frameSize; + uint version; + + // flags + + bool tagAlterPreservation; + bool fileAlterPreservation; + bool readOnly; + bool groupingIdentity; + bool compression; + bool encryption; + bool unsynchronisation; + bool dataLengthIndicator; +}; + +//////////////////////////////////////////////////////////////////////////////// +// static members (Frame::Header) +//////////////////////////////////////////////////////////////////////////////// + +TagLib::uint Frame::Header::size() +{ + return size(4); +} + +TagLib::uint Frame::Header::size(uint version) +{ + switch(version) { + case 0: + case 1: + case 2: + return 6; + case 3: + case 4: + default: + return 10; + } +} + +//////////////////////////////////////////////////////////////////////////////// +// public members (Frame::Header) +//////////////////////////////////////////////////////////////////////////////// + +Frame::Header::Header(const ByteVector &data, bool synchSafeInts) +{ + d = new HeaderPrivate; + setData(data, synchSafeInts); +} + +Frame::Header::Header(const ByteVector &data, uint version) +{ + d = new HeaderPrivate; + setData(data, version); +} + +Frame::Header::~Header() +{ + delete d; +} + +void Frame::Header::setData(const ByteVector &data, bool synchSafeInts) +{ + setData(data, uint(synchSafeInts ? 4 : 3)); +} + +void Frame::Header::setData(const ByteVector &data, uint version) +{ + d->version = version; + + switch(version) { + case 0: + case 1: + case 2: + { + // ID3v2.2 + + if(data.size() < 3) { + debug("You must at least specify a frame ID."); + return; + } + + // Set the frame ID -- the first three bytes + + d->frameID = data.mid(0, 3); + + // If the full header information was not passed in, do not continue to the + // steps to parse the frame size and flags. + + if(data.size() < 6) { + d->frameSize = 0; + return; + } + + d->frameSize = data.mid(3, 3).toUInt(); + + break; + } + case 3: + { + // ID3v2.3 + + if(data.size() < 4) { + debug("You must at least specify a frame ID."); + return; + } + + // Set the frame ID -- the first four bytes + + d->frameID = data.mid(0, 4); + + // If the full header information was not passed in, do not continue to the + // steps to parse the frame size and flags. + + if(data.size() < 10) { + d->frameSize = 0; + return; + } + + // Set the size -- the frame size is the four bytes starting at byte four in + // the frame header (structure 4) + + d->frameSize = data.mid(4, 4).toUInt(); + + { // read the first byte of flags + std::bitset<8> flags(data[8]); + d->tagAlterPreservation = flags[7]; // (structure 3.3.1.a) + d->fileAlterPreservation = flags[6]; // (structure 3.3.1.b) + d->readOnly = flags[5]; // (structure 3.3.1.c) + } + + { // read the second byte of flags + std::bitset<8> flags(data[9]); + d->compression = flags[7]; // (structure 3.3.1.i) + d->encryption = flags[6]; // (structure 3.3.1.j) + d->groupingIdentity = flags[5]; // (structure 3.3.1.k) + } + break; + } + case 4: + default: + { + // ID3v2.4 + + if(data.size() < 4) { + debug("You must at least specify a frame ID."); + return; + } + + // Set the frame ID -- the first four bytes + + d->frameID = data.mid(0, 4); + + // If the full header information was not passed in, do not continue to the + // steps to parse the frame size and flags. + + if(data.size() < 10) { + d->frameSize = 0; + return; + } + + // Set the size -- the frame size is the four bytes starting at byte four in + // the frame header (structure 4) + + d->frameSize = SynchData::toUInt(data.mid(4, 4)); +#ifndef NO_ITUNES_HACKS + // iTunes writes v2.4 tags with v2.3-like frame sizes + if(d->frameSize > 127) { + if(!isValidFrameID(data.mid(d->frameSize + 10, 4))) { + unsigned int uintSize = data.mid(4, 4).toUInt(); + if(isValidFrameID(data.mid(uintSize + 10, 4))) { + d->frameSize = uintSize; + } + } + } +#endif + + { // read the first byte of flags + std::bitset<8> flags(data[8]); + d->tagAlterPreservation = flags[6]; // (structure 4.1.1.a) + d->fileAlterPreservation = flags[5]; // (structure 4.1.1.b) + d->readOnly = flags[4]; // (structure 4.1.1.c) + } + + { // read the second byte of flags + std::bitset<8> flags(data[9]); + d->groupingIdentity = flags[6]; // (structure 4.1.2.h) + d->compression = flags[3]; // (structure 4.1.2.k) + d->encryption = flags[2]; // (structure 4.1.2.m) + d->unsynchronisation = flags[1]; // (structure 4.1.2.n) + d->dataLengthIndicator = flags[0]; // (structure 4.1.2.p) + } + break; + } + } +} + +ByteVector Frame::Header::frameID() const +{ + return d->frameID; +} + +void Frame::Header::setFrameID(const ByteVector &id) +{ + d->frameID = id.mid(0, 4); +} + +TagLib::uint Frame::Header::frameSize() const +{ + return d->frameSize; +} + +void Frame::Header::setFrameSize(uint size) +{ + d->frameSize = size; +} + +TagLib::uint Frame::Header::version() const +{ + return d->version; +} + +bool Frame::Header::tagAlterPreservation() const +{ + return d->tagAlterPreservation; +} + +void Frame::Header::setTagAlterPreservation(bool preserve) +{ + d->tagAlterPreservation = preserve; +} + +bool Frame::Header::fileAlterPreservation() const +{ + return d->fileAlterPreservation; +} + +bool Frame::Header::readOnly() const +{ + return d->readOnly; +} + +bool Frame::Header::groupingIdentity() const +{ + return d->groupingIdentity; +} + +bool Frame::Header::compression() const +{ + return d->compression; +} + +bool Frame::Header::encryption() const +{ + return d->encryption; +} + +bool Frame::Header::unsycronisation() const +{ + return unsynchronisation(); +} + +bool Frame::Header::unsynchronisation() const +{ + return d->unsynchronisation; +} + +bool Frame::Header::dataLengthIndicator() const +{ + return d->dataLengthIndicator; +} + +ByteVector Frame::Header::render() const +{ + ByteVector flags(2, char(0)); // just blank for the moment + + ByteVector v = d->frameID + SynchData::fromUInt(d->frameSize) + flags; + + return v; +} + +bool Frame::Header::frameAlterPreservation() const +{ + return fileAlterPreservation(); +} diff --git a/libs/taglib/taglib/mpeg/id3v2/id3v2frame.h b/libs/taglib/taglib/mpeg/id3v2/id3v2frame.h new file mode 100644 index 0000000000..e76d060820 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/id3v2frame.h @@ -0,0 +1,414 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_ID3V2FRAME_H +#define TAGLIB_ID3V2FRAME_H + +#include "tstring.h" +#include "tbytevector.h" +#include "taglib_export.h" + +namespace TagLib { + + class StringList; + + namespace ID3v2 { + + class Tag; + class FrameFactory; + + //! ID3v2 frame implementation + + /*! + * This class is the main ID3v2 frame implementation. In ID3v2, a tag is + * split between a collection of frames (which are in turn split into fields + * (Structure, <a href="id3v2-structure.html#4">4</a>) + * (<a href="id3v2-frames.html">Frames</a>). This class provides an API for + * gathering information about and modifying ID3v2 frames. Funtionallity + * specific to a given frame type is handed in one of the many subclasses. + */ + + class TAGLIB_EXPORT Frame + { + friend class Tag; + friend class FrameFactory; + + public: + /*! + * Destroys this Frame instance. + */ + virtual ~Frame(); + + /*! + * Returns the Frame ID (Structure, <a href="id3v2-structure.html#4">4</a>) + * (Frames, <a href="id3v2-frames.html#4">4</a>) + */ + ByteVector frameID() const; + + /*! + * Returns the size of the frame. + */ + uint size() const; + + /*! + * Returns the size of the frame header + * + * \deprecated This is only accurate for ID3v2.3 or ID3v2.4. Please use + * the call below which accepts an ID3v2 version number. In the next + * non-binary compatible release this will be made into a non-static + * member that checks the internal ID3v2 version. + */ + static uint headerSize(); // BIC: remove and make non-static + + /*! + * Returns the size of the frame header for the given ID3v2 version. + * + * \deprecated Please see the explanation above. + */ + static uint headerSize(uint version); // BIC: remove and make non-static + + /*! + * Sets the data that will be used as the frame. Since the length is not + * known before the frame has been parsed, this should just be a pointer to + * the first byte of the frame. It will determine the length internally + * and make that available through size(). + */ + void setData(const ByteVector &data); + + /*! + * Set the text of frame in the sanest way possible. This should only be + * reimplemented in frames where there is some logical mapping to text. + * + * \note If the frame type supports multiple text encodings, this will not + * change the text encoding of the frame; the string will be converted to + * that frame's encoding. Please use the specific APIs of the frame types + * to set the encoding if that is desired. + */ + virtual void setText(const String &text); + + /*! + * This returns the textual representation of the data in the frame. + * Subclasses must reimplement this method to provide a string + * representation of the frame's data. + */ + virtual String toString() const = 0; + + /*! + * Render the frame back to its binary format in a ByteVector. + */ + ByteVector render() const; + + /*! + * Returns the text delimiter that is used between fields for the string + * type \a t. + */ + static ByteVector textDelimiter(String::Type t); + + protected: + class Header; + + /*! + * Constructs an ID3v2 frame using \a data to read the header information. + * All other processing of \a data should be handled in a subclass. + * + * \note This need not contain anything more than a frame ID, but + * \e must constain at least that. + */ + explicit Frame(const ByteVector &data); + + /*! + * This creates an Frame using the header \a h. + * + * The ownership of this header will be assigned to the frame and the + * header will be deleted when the frame is destroyed. + */ + Frame(Header *h); + + /*! + * Returns a pointer to the frame header. + */ + Header *header() const; + + /*! + * Sets the header to \a h. If \a deleteCurrent is true, this will free + * the memory of the current header. + * + * The ownership of this header will be assigned to the frame and the + * header will be deleted when the frame is destroyed. + */ + void setHeader(Header *h, bool deleteCurrent = true); + + /*! + * Called by setData() to parse the frame data. It makes this information + * available through the public API. + */ + void parse(const ByteVector &data); + + /*! + * Called by parse() to parse the field data. It makes this information + * available through the public API. This must be overridden by the + * subclasses. + */ + virtual void parseFields(const ByteVector &data) = 0; + + /*! + * Render the field data back to a binary format in a ByteVector. This + * must be overridden by subclasses. + */ + virtual ByteVector renderFields() const = 0; + + /*! + * Returns a ByteVector containing the field data given the frame data. + * This correctly adjusts for the header size plus any additional frame + * data that's specified in the frame header flags. + */ + ByteVector fieldData(const ByteVector &frameData) const; + + /*! + * Reads a String of type \a encodiong from the ByteVector \a data. If \a + * position is passed in it is used both as the starting point and is + * updated to replect the position just after the string that has been read. + * This is useful for reading strings sequentially. + */ + String readStringField(const ByteVector &data, String::Type encoding, + int *positon = 0); + + /*! + * Checks a the list of string values to see if they can be used with the + * specified encoding and returns the recommended encoding. + */ + static String::Type checkEncoding(const StringList &fields, + String::Type encoding); + + private: + Frame(const Frame &); + Frame &operator=(const Frame &); + + class FramePrivate; + friend class FramePrivate; + FramePrivate *d; + }; + + //! ID3v2 frame header implementation + + /*! + * The ID3v2 Frame Header (Structure, <a href="id3v2-structure.html#4">4</a>) + * + * Every ID3v2::Frame has an associated header that gives some general + * properties of the frame and also makes it possible to identify the frame + * type. + * + * As such when reading an ID3v2 tag ID3v2::FrameFactory first creates the + * frame headers and then creates the appropriate Frame subclass based on + * the type and attaches the header. + */ + + class TAGLIB_EXPORT Frame::Header + { + public: + /*! + * Construct a Frame Header based on \a data. \a data must at least + * contain a 4 byte frame ID, and optionally can contain flag data and the + * frame size. i.e. Just the frame id -- "TALB" -- is a valid value. + * + * \deprecated Please use the constructor below that accepts a version + * number. + */ + Header(const ByteVector &data, bool synchSafeInts); + + /*! + * Construct a Frame Header based on \a data. \a data must at least + * contain a 4 byte frame ID, and optionally can contain flag data and the + * frame size. i.e. Just the frame id -- "TALB" -- is a valid value. + * + * \a version should be the ID3v2 version of the tag. + */ + explicit Header(const ByteVector &data, uint version = 4); + + /*! + * Destroys this Header instance. + */ + virtual ~Header(); + + /*! + * Sets the data for the Header. + * + * \deprecated Please use the version below that accepts an ID3v2 version + * number. + */ + void setData(const ByteVector &data, bool synchSafeInts); + + /*! + * Sets the data for the Header. \a version should indicate the ID3v2 + * version number of the tag that this frame is contained in. + */ + void setData(const ByteVector &data, uint version = 4); + + /*! + * Returns the Frame ID (Structure, <a href="id3v2-structure.html#4">4</a>) + * (Frames, <a href="id3v2-frames.html#4">4</a>) + */ + ByteVector frameID() const; + + /*! + * Sets the frame's ID to \a id. Only the first four bytes of \a id will + * be used. + * + * \warning This method should in general be avoided. It exists simply to + * provide a mechanism for transforming frames from a deprecated frame type + * to a newer one -- i.e. TYER to TDRC from ID3v2.3 to ID3v2.4. + */ + void setFrameID(const ByteVector &id); + + /*! + * Returns the size of the frame data portion, as set when setData() was + * called or set explicitly via setFrameSize(). + */ + uint frameSize() const; + + /*! + * Sets the size of the frame data portion. + */ + void setFrameSize(uint size); + + /*! + * Returns the ID3v2 version of the header (as passed in from the + * construction of the header). + */ + uint version() const; + + /*! + * Returns the size of the frame header in bytes. + * + * \deprecated Please use the version of this method that accepts a + * version. This is only accurate for ID3v2.3 and ID3v2.4. This will be + * removed in the next binary incompatible release (2.0) and will be + * replaced with a non-static method that checks the frame version. + */ + static uint size(); + + /*! + * Returns the size of the frame header in bytes for the ID3v2 version + * that's given. + * + * \deprecated Please see the explanation in the version above. + */ + static uint size(uint version); + + /*! + * Returns true if the flag for tag alter preservation is set. + * + * The semantics are a little backwards from what would seem natural + * (setting the preservation flag to throw away the frame), but this + * follows the ID3v2 standard. + * + * \see setTagAlterPreservation() + */ + bool tagAlterPreservation() const; + + /*! + * Sets the flag for preservation of this frame if the tag is set. If + * this is set to true the frame will not be written when the tag is + * saved. + * + * The semantics are a little backwards from what would seem natural + * (setting the preservation flag to throw away the frame), but this + * follows the ID3v2 standard. + * + * \see tagAlterPreservation() + */ + void setTagAlterPreservation(bool discard); + + /*! + * Returns true if the flag for file alter preservation is set. + * + * \note This flag is currently ignored internally in TagLib. + */ + bool fileAlterPreservation() const; + + /*! + * Returns true if the frame is meant to be read only. + * + * \note This flag is currently ignored internally in TagLib. + */ + bool readOnly() const; + + /*! + * Returns true if the flag for the grouping identifity is set. + * + * \note This flag is currently ignored internally in TagLib. + */ + bool groupingIdentity() const; + + /*! + * Returns true if compression is enabled for this frame. + * + * \note This flag is currently ignored internally in TagLib. + */ + bool compression() const; + + /*! + * Returns true if encryption is enabled for this frame. + * + * \note This flag is currently ignored internally in TagLib. + */ + bool encryption() const; + +#ifndef DO_NOT_DOCUMENT + bool unsycronisation() const; +#endif + + /*! + * Returns true if unsynchronisation is enabled for this frame. + */ + bool unsynchronisation() const; + + /*! + * Returns true if the flag for a data length indicator is set. + */ + bool dataLengthIndicator() const; + + /*! + * Render the Header back to binary format in a ByteVector. + */ + ByteVector render() const; + + /*! + * \deprecated + */ + bool frameAlterPreservation() const; + + private: + Header(const Header &); + Header &operator=(const Header &); + + class HeaderPrivate; + HeaderPrivate *d; + }; + + } +} + +#endif diff --git a/libs/taglib/taglib/mpeg/id3v2/id3v2framefactory.cpp b/libs/taglib/taglib/mpeg/id3v2/id3v2framefactory.cpp new file mode 100644 index 0000000000..48a202216c --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/id3v2framefactory.cpp @@ -0,0 +1,407 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef HAVE_ZLIB +#include <config.h> +#endif + +#include <tdebug.h> + +#include "id3v2framefactory.h" +#include "id3v2synchdata.h" + +#include "frames/attachedpictureframe.h" +#include "frames/commentsframe.h" +#include "frames/relativevolumeframe.h" +#include "frames/textidentificationframe.h" +#include "frames/uniquefileidentifierframe.h" +#include "frames/unknownframe.h" +#include "frames/generalencapsulatedobjectframe.h" +#include "frames/urllinkframe.h" +#include "frames/unsynchronizedlyricsframe.h" + +using namespace TagLib; +using namespace ID3v2; + +class FrameFactory::FrameFactoryPrivate +{ +public: + FrameFactoryPrivate() : + defaultEncoding(String::Latin1), + useDefaultEncoding(false) {} + + String::Type defaultEncoding; + bool useDefaultEncoding; + + template <class T> void setTextEncoding(T *frame) + { + if(useDefaultEncoding) + frame->setTextEncoding(defaultEncoding); + } +}; + +FrameFactory *FrameFactory::factory = 0; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +FrameFactory *FrameFactory::instance() +{ + if(!factory) + factory = new FrameFactory; + return factory; +} + +Frame *FrameFactory::createFrame(const ByteVector &data, bool synchSafeInts) const +{ + return createFrame(data, uint(synchSafeInts ? 4 : 3)); +} + +Frame *FrameFactory::createFrame(const ByteVector &data, uint version) const +{ + Header tagHeader; + tagHeader.setMajorVersion(version); + return createFrame(data, &tagHeader); +} + +Frame *FrameFactory::createFrame(const ByteVector &origData, Header *tagHeader) const +{ + ByteVector data = origData; + uint version = tagHeader->majorVersion(); + Frame::Header *header = new Frame::Header(data, version); + ByteVector frameID = header->frameID(); + + // A quick sanity check -- make sure that the frameID is 4 uppercase Latin1 + // characters. Also make sure that there is data in the frame. + + if(!frameID.size() == (version < 3 ? 3 : 4) || + header->frameSize() <= uint(header->dataLengthIndicator() ? 4 : 0) || + header->frameSize() > data.size()) + { + delete header; + return 0; + } + + for(ByteVector::ConstIterator it = frameID.begin(); it != frameID.end(); it++) { + if( (*it < 'A' || *it > 'Z') && (*it < '1' || *it > '9') ) { + delete header; + return 0; + } + } + + if(version > 3 && (tagHeader->unsynchronisation() || header->unsynchronisation())) { + // Data lengths are not part of the encoded data, but since they are synch-safe + // integers they will be never actually encoded. + ByteVector frameData = data.mid(Frame::Header::size(version), header->frameSize()); + frameData = SynchData::decode(frameData); + data = data.mid(0, Frame::Header::size(version)) + frameData; + } + + // TagLib doesn't mess with encrypted frames, so just treat them + // as unknown frames. + +#if HAVE_ZLIB == 0 + if(header->compression()) { + debug("Compressed frames are currently not supported."); + return new UnknownFrame(data, header); + } +#endif + if(header->encryption()) { + debug("Encrypted frames are currently not supported."); + return new UnknownFrame(data, header); + } + + if(!updateFrame(header)) { + header->setTagAlterPreservation(true); + return new UnknownFrame(data, header); + } + + // updateFrame() might have updated the frame ID. + + frameID = header->frameID(); + + // This is where things get necissarily nasty. Here we determine which + // Frame subclass (or if none is found simply an Frame) based + // on the frame ID. Since there are a lot of possibilities, that means + // a lot of if blocks. + + // Text Identification (frames 4.2) + + if(frameID.startsWith("T")) { + + TextIdentificationFrame *f = frameID != "TXXX" + ? new TextIdentificationFrame(data, header) + : new UserTextIdentificationFrame(data, header); + + d->setTextEncoding(f); + + if(frameID == "TCON") + updateGenre(f); + + return f; + } + + // Comments (frames 4.10) + + if(frameID == "COMM") { + CommentsFrame *f = new CommentsFrame(data, header); + d->setTextEncoding(f); + return f; + } + + // Attached Picture (frames 4.14) + + if(frameID == "APIC") { + AttachedPictureFrame *f = new AttachedPictureFrame(data, header); + d->setTextEncoding(f); + return f; + } + + // Relative Volume Adjustment (frames 4.11) + + if(frameID == "RVA2") + return new RelativeVolumeFrame(data, header); + + // Unique File Identifier (frames 4.1) + + if(frameID == "UFID") + return new UniqueFileIdentifierFrame(data, header); + + // General Encapsulated Object (frames 4.15) + + if(frameID == "GEOB") { + GeneralEncapsulatedObjectFrame *f = new GeneralEncapsulatedObjectFrame(data, header); + d->setTextEncoding(f); + return f; + } + + // URL link (frames 4.3) + + if(frameID.startsWith("W")) { + if(frameID != "WXXX") { + return new UrlLinkFrame(data, header); + } + else { + UserUrlLinkFrame *f = new UserUrlLinkFrame(data, header); + d->setTextEncoding(f); + return f; + } + } + + // Unsynchronized lyric/text transcription (frames 4.8) + + if(frameID == "USLT") { + UnsynchronizedLyricsFrame *f = new UnsynchronizedLyricsFrame(data, header); + if(d->useDefaultEncoding) + f->setTextEncoding(d->defaultEncoding); + return f; + } + + return new UnknownFrame(data, header); +} + +String::Type FrameFactory::defaultTextEncoding() const +{ + return d->defaultEncoding; +} + +void FrameFactory::setDefaultTextEncoding(String::Type encoding) +{ + d->useDefaultEncoding = true; + d->defaultEncoding = encoding; +} + +//////////////////////////////////////////////////////////////////////////////// +// protected members +//////////////////////////////////////////////////////////////////////////////// + +FrameFactory::FrameFactory() +{ + d = new FrameFactoryPrivate; +} + +FrameFactory::~FrameFactory() +{ + delete d; +} + +bool FrameFactory::updateFrame(Frame::Header *header) const +{ + TagLib::ByteVector frameID = header->frameID(); + + switch(header->version()) { + + case 2: // ID3v2.2 + { + if(frameID == "CRM" || + frameID == "EQU" || + frameID == "LNK" || + frameID == "RVA" || + frameID == "TIM" || + frameID == "TSI") + { + debug("ID3v2.4 no longer supports the frame type " + String(frameID) + + ". It will be discarded from the tag."); + return false; + } + + // ID3v2.2 only used 3 bytes for the frame ID, so we need to convert all of + // the frames to their 4 byte ID3v2.4 equivalent. + + convertFrame("BUF", "RBUF", header); + convertFrame("CNT", "PCNT", header); + convertFrame("COM", "COMM", header); + convertFrame("CRA", "AENC", header); + convertFrame("ETC", "ETCO", header); + convertFrame("GEO", "GEOB", header); + convertFrame("IPL", "TIPL", header); + convertFrame("MCI", "MCDI", header); + convertFrame("MLL", "MLLT", header); + convertFrame("PIC", "APIC", header); + convertFrame("POP", "POPM", header); + convertFrame("REV", "RVRB", header); + convertFrame("SLT", "SYLT", header); + convertFrame("STC", "SYTC", header); + convertFrame("TAL", "TALB", header); + convertFrame("TBP", "TBPM", header); + convertFrame("TCM", "TCOM", header); + convertFrame("TCO", "TCON", header); + convertFrame("TCR", "TCOP", header); + convertFrame("TDA", "TDRC", header); + convertFrame("TDY", "TDLY", header); + convertFrame("TEN", "TENC", header); + convertFrame("TFT", "TFLT", header); + convertFrame("TKE", "TKEY", header); + convertFrame("TLA", "TLAN", header); + convertFrame("TLE", "TLEN", header); + convertFrame("TMT", "TMED", header); + convertFrame("TOA", "TOAL", header); + convertFrame("TOF", "TOFN", header); + convertFrame("TOL", "TOLY", header); + convertFrame("TOR", "TDOR", header); + convertFrame("TOT", "TOAL", header); + convertFrame("TP1", "TPE1", header); + convertFrame("TP2", "TPE2", header); + convertFrame("TP3", "TPE3", header); + convertFrame("TP4", "TPE4", header); + convertFrame("TPA", "TPOS", header); + convertFrame("TPB", "TPUB", header); + convertFrame("TRC", "TSRC", header); + convertFrame("TRD", "TDRC", header); + convertFrame("TRK", "TRCK", header); + convertFrame("TSS", "TSSE", header); + convertFrame("TT1", "TIT1", header); + convertFrame("TT2", "TIT2", header); + convertFrame("TT3", "TIT3", header); + convertFrame("TXT", "TOLY", header); + convertFrame("TXX", "TXXX", header); + convertFrame("TYE", "TDRC", header); + convertFrame("UFI", "UFID", header); + convertFrame("ULT", "USLT", header); + convertFrame("WAF", "WOAF", header); + convertFrame("WAR", "WOAR", header); + convertFrame("WAS", "WOAS", header); + convertFrame("WCM", "WCOM", header); + convertFrame("WCP", "WCOP", header); + convertFrame("WPB", "WPUB", header); + convertFrame("WXX", "WXXX", header); + + break; + } + + case 3: // ID3v2.3 + { + if(frameID == "EQUA" || + frameID == "RVAD" || + frameID == "TIME" || + frameID == "TRDA" || + frameID == "TSIZ" || + frameID == "TDAT") + { + debug("ID3v2.4 no longer supports the frame type " + String(frameID) + + ". It will be discarded from the tag."); + return false; + } + + convertFrame("TORY", "TDOR", header); + convertFrame("TYER", "TDRC", header); + + break; + } + + default: + + // This should catch a typo that existed in TagLib up to and including + // version 1.1 where TRDC was used for the year rather than TDRC. + + convertFrame("TRDC", "TDRC", header); + break; + } + + return true; +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +void FrameFactory::convertFrame(const char *from, const char *to, + Frame::Header *header) const +{ + if(header->frameID() != from) + return; + + // debug("ID3v2.4 no longer supports the frame type " + String(from) + " It has" + + // "been converted to the type " + String(to) + "."); + + header->setFrameID(to); +} + +void FrameFactory::updateGenre(TextIdentificationFrame *frame) const +{ + StringList fields; + String s = frame->toString(); + + while(s.startsWith("(")) { + + int closing = s.find(")"); + + if(closing < 0) + break; + + fields.append(s.substr(1, closing - 1)); + + s = s.substr(closing + 1); + } + + if(!s.isEmpty()) + fields.append(s); + + if(fields.isEmpty()) + fields.append(String::null); + + frame->setText(fields); +} diff --git a/libs/taglib/taglib/mpeg/id3v2/id3v2framefactory.h b/libs/taglib/taglib/mpeg/id3v2/id3v2framefactory.h new file mode 100644 index 0000000000..15eb61b7dd --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/id3v2framefactory.h @@ -0,0 +1,167 @@ + /*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_ID3V2FRAMEFACTORY_H +#define TAGLIB_ID3V2FRAMEFACTORY_H + +#include "taglib_export.h" +#include "tbytevector.h" +#include "id3v2frame.h" +#include "id3v2header.h" + +namespace TagLib { + + namespace ID3v2 { + + class TAGLIB_EXPORT TextIdentificationFrame; + + //! A factory for creating ID3v2 frames during parsing + + /*! + * This factory abstracts away the frame creation process and instantiates + * the appropriate ID3v2::Frame subclasses based on the contents of the + * data. + * + * Reimplementing this factory is the key to adding support for frame types + * not directly supported by TagLib to your application. To do so you would + * subclass this factory reimplement createFrame(). Then by setting your + * factory to be the default factory in ID3v2::Tag constructor or with + * MPEG::File::setID3v2FrameFactory() you can implement behavior that will + * allow for new ID3v2::Frame subclasses (also provided by you) to be used. + * + * This implements both <i>abstract factory</i> and <i>singleton</i> patterns + * of which more information is available on the web and in software design + * textbooks (Notably <i>Design Patters</i>). + * + * \note You do not need to use this factory to create new frames to add to + * an ID3v2::Tag. You can instantiate frame subclasses directly (with new) + * and add them to a tag using ID3v2::Tag::addFrame() + * + * \see ID3v2::Tag::addFrame() + */ + + class TAGLIB_EXPORT FrameFactory + { + public: + static FrameFactory *instance(); + /*! + * Create a frame based on \a data. \a synchSafeInts should only be set + * false if we are parsing an old tag (v2.3 or older) that does not support + * synchsafe ints. + * + * \deprecated Please use the method below that accepts a ID3v2::Header + * instance in new code. + */ + Frame *createFrame(const ByteVector &data, bool synchSafeInts) const; + + /*! + * Create a frame based on \a data. \a version should indicate the ID3v2 + * version of the tag. As ID3v2.4 is the most current version of the + * standard 4 is the default. + * + * \deprecated Please use the method below that accepts a ID3v2::Header + * instance in new code. + */ + Frame *createFrame(const ByteVector &data, uint version = 4) const; + + /*! + * Create a frame based on \a data. \a tagHeader should be a valid + * ID3v2::Header instance. + */ + // BIC: make virtual + Frame *createFrame(const ByteVector &data, Header *tagHeader) const; + + /*! + * Returns the default text encoding for text frames. If setTextEncoding() + * has not been explicitly called this will only be used for new text + * frames. However, if this value has been set explicitly all frames will be + * converted to this type (unless it's explitly set differently for the + * individual frame) when being rendered. + * + * \see setDefaultTextEncoding() + */ + String::Type defaultTextEncoding() const; + + /*! + * Set the default text encoding for all text frames that are created to + * \a encoding. If no value is set the frames with either default to the + * encoding type that was parsed and new frames default to Latin1. + * + * Valid string types for ID3v2 tags are Latin1, UTF8, UTF16 and UTF16BE. + * + * \see defaultTextEncoding() + */ + void setDefaultTextEncoding(String::Type encoding); + + protected: + /*! + * Constructs a frame factory. Because this is a singleton this method is + * protected, but may be used for subclasses. + */ + FrameFactory(); + + /*! + * Destroys the frame factory. In most cases this will never be called (as + * is typical of singletons). + */ + virtual ~FrameFactory(); + + /*! + * This method checks for compliance to the current ID3v2 standard (2.4) + * and does nothing in the common case. However if a frame is found that + * is not compatible with the current standard, this method either updates + * the frame or indicates that it should be discarded. + * + * This method with return true (with or without changes to the frame) if + * this frame should be kept or false if it should be discarded. + * + * See the id3v2.4.0-changes.txt document for further information. + */ + virtual bool updateFrame(Frame::Header *header) const; + + private: + FrameFactory(const FrameFactory &); + FrameFactory &operator=(const FrameFactory &); + + /*! + * This method is used internally to convert a frame from ID \a from to ID + * \a to. If the frame matches the \a from pattern and converts the frame + * ID in the \a header or simply does nothing if the frame ID does not match. + */ + void convertFrame(const char *from, const char *to, + Frame::Header *header) const; + + void updateGenre(TextIdentificationFrame *frame) const; + + static FrameFactory *factory; + + class FrameFactoryPrivate; + FrameFactoryPrivate *d; + }; + + } +} + +#endif diff --git a/libs/taglib/taglib/mpeg/id3v2/id3v2header.cpp b/libs/taglib/taglib/mpeg/id3v2/id3v2header.cpp new file mode 100644 index 0000000000..e14adcce15 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/id3v2header.cpp @@ -0,0 +1,243 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <iostream> +#include <bitset> + +#include <tstring.h> +#include <tdebug.h> + +#include "id3v2header.h" +#include "id3v2footer.h" +#include "id3v2synchdata.h" + +using namespace TagLib; +using namespace ID3v2; + +class Header::HeaderPrivate +{ +public: + HeaderPrivate() : majorVersion(4), + revisionNumber(0), + unsynchronisation(false), + extendedHeader(false), + experimentalIndicator(false), + footerPresent(false), + tagSize(0) {} + + ~HeaderPrivate() {} + + uint majorVersion; + uint revisionNumber; + + bool unsynchronisation; + bool extendedHeader; + bool experimentalIndicator; + bool footerPresent; + + uint tagSize; + + static const uint size = 10; +}; + +//////////////////////////////////////////////////////////////////////////////// +// static members +//////////////////////////////////////////////////////////////////////////////// + +TagLib::uint Header::size() +{ + return HeaderPrivate::size; +} + +ByteVector Header::fileIdentifier() +{ + return ByteVector::fromCString("ID3"); +} + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +Header::Header() +{ + d = new HeaderPrivate; +} + +Header::Header(const ByteVector &data) +{ + d = new HeaderPrivate; + parse(data); +} + +Header::~Header() +{ + delete d; +} + +TagLib::uint Header::majorVersion() const +{ + return d->majorVersion; +} + +void Header::setMajorVersion(TagLib::uint version) +{ + d->majorVersion = version; +} + +TagLib::uint Header::revisionNumber() const +{ + return d->revisionNumber; +} + +bool Header::unsynchronisation() const +{ + return d->unsynchronisation; +} + +bool Header::extendedHeader() const +{ + return d->extendedHeader; +} + +bool Header::experimentalIndicator() const +{ + return d->experimentalIndicator; +} + +bool Header::footerPresent() const +{ + return d->footerPresent; +} + +TagLib::uint Header::tagSize() const +{ + return d->tagSize; +} + +TagLib::uint Header::completeTagSize() const +{ + if(d->footerPresent) + return d->tagSize + d->size + Footer::size(); + else + return d->tagSize + d->size; +} + +void Header::setTagSize(uint s) +{ + d->tagSize = s; +} + +void Header::setData(const ByteVector &data) +{ + parse(data); +} + +ByteVector Header::render() const +{ + ByteVector v; + + // add the file identifier -- "ID3" + v.append(fileIdentifier()); + + // add the version number -- we always render a 2.4.0 tag regardless of what + // the tag originally was. + + v.append(char(4)); + v.append(char(0)); + + // Currently we don't actually support writing extended headers, footers or + // unsynchronized tags, make sure that the flags are set accordingly. + + d->extendedHeader = false; + d->footerPresent = false; + d->unsynchronisation = false; + + // render and add the flags + std::bitset<8> flags; + + flags[7] = d->unsynchronisation; + flags[6] = d->extendedHeader; + flags[5] = d->experimentalIndicator; + flags[4] = d->footerPresent; + + v.append(char(flags.to_ulong())); + + // add the size + v.append(SynchData::fromUInt(d->tagSize)); + + return v; +} + +//////////////////////////////////////////////////////////////////////////////// +// protected members +//////////////////////////////////////////////////////////////////////////////// + +void Header::parse(const ByteVector &data) +{ + if(data.size() < size()) + return; + + + // do some sanity checking -- even in ID3v2.3.0 and less the tag size is a + // synch-safe integer, so all bytes must be less than 128. If this is not + // true then this is an invalid tag. + + // note that we're doing things a little out of order here -- the size is + // later in the bytestream than the version + + ByteVector sizeData = data.mid(6, 4); + + if(sizeData.size() != 4) { + d->tagSize = 0; + debug("TagLib::ID3v2::Header::parse() - The tag size as read was 0 bytes!"); + return; + } + + for(ByteVector::Iterator it = sizeData.begin(); it != sizeData.end(); it++) { + if(uchar(*it) >= 128) { + d->tagSize = 0; + debug("TagLib::ID3v2::Header::parse() - One of the size bytes in the id3v2 header was greater than the allowed 128."); + return; + } + } + + // The first three bytes, data[0..2], are the File Identifier, "ID3". (structure 3.1 "file identifier") + + // Read the version number from the fourth and fifth bytes. + d->majorVersion = data[3]; // (structure 3.1 "major version") + d->revisionNumber = data[4]; // (structure 3.1 "revision number") + + // Read the flags, the first four bits of the sixth byte. + std::bitset<8> flags(data[5]); + + d->unsynchronisation = flags[7]; // (structure 3.1.a) + d->extendedHeader = flags[6]; // (structure 3.1.b) + d->experimentalIndicator = flags[5]; // (structure 3.1.c) + d->footerPresent = flags[4]; // (structure 3.1.d) + + // Get the size from the remaining four bytes (read above) + + d->tagSize = SynchData::toUInt(sizeData); // (structure 3.1 "size") +} diff --git a/libs/taglib/taglib/mpeg/id3v2/id3v2header.h b/libs/taglib/taglib/mpeg/id3v2/id3v2header.h new file mode 100644 index 0000000000..99a7e7ff7c --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/id3v2header.h @@ -0,0 +1,175 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_ID3V2HEADER_H +#define TAGLIB_ID3V2HEADER_H + +#include "tbytevector.h" +#include "taglib_export.h" + +namespace TagLib { + + namespace ID3v2 { + + //! An implementation of ID3v2 headers + + /*! + * This class implements ID3v2 headers. It attempts to follow, both + * semantically and programatically, the structure specified in + * the ID3v2 standard. The API is based on the properties of ID3v2 headers + * specified there. If any of the terms used in this documentation are + * unclear please check the specification in the linked section. + * (Structure, <a href="id3v2-structure.html#3.1">3.1</a>) + */ + + class TAGLIB_EXPORT Header + { + public: + /*! + * Constructs an empty ID3v2 header. + */ + Header(); + + /*! + * Constructs an ID3v2 header based on \a data. parse() is called + * immediately. + */ + Header(const ByteVector &data); + + /*! + * Destroys the header. + */ + virtual ~Header(); + + /*! + * Returns the major version number. (Note: This is the 4, not the 2 in + * ID3v2.4.0. The 2 is implied.) + */ + uint majorVersion() const; + + /*! + * Set the the major version number to \a version. (Note: This is + * the 4, not the 2 in ID3v2.4.0. The 2 is implied.) + * \see majorVersion() + * + * \note This is used by the internal parser; this will not change the + * version which is written and in general should not be called by API + * users. + */ + void setMajorVersion(uint version); + + /*! + * Returns the revision number. (Note: This is the 0, not the 4 in + * ID3v2.4.0. The 2 is implied.) + */ + uint revisionNumber() const; + + /*! + * Returns true if unsynchronisation has been applied to all frames. + */ + bool unsynchronisation() const; + + /*! + * Returns true if an extended header is present in the tag. + */ + bool extendedHeader() const; + + /*! + * Returns true if the experimental indicator flag is set. + */ + bool experimentalIndicator() const; + + /*! + * Returns true if a footer is present in the tag. + */ + bool footerPresent() const; + /*! + * Returns the tag size in bytes. This is the size of the frame content. + * The size of the \e entire tag will be this plus the header size (10 + * bytes) and, if present, the footer size (potentially another 10 bytes). + * + * \note This is the value as read from the header to which TagLib attempts + * to provide an API to; it was not a design decision on the part of TagLib + * to not include the mentioned portions of the tag in the \e size. + * + * \see completeTagSize() + */ + uint tagSize() const; + + /*! + * Returns the tag size, including the header and, if present, the footer + * size. + * + * \see tagSize() + */ + uint completeTagSize() const; + + /*! + * Set the tag size to \a s. + * \see tagSize() + */ + void setTagSize(uint s); + + /*! + * Returns the size of the header. Presently this is always 10 bytes. + */ + static uint size(); + + /*! + * Returns the string used to identify and ID3v2 tag inside of a file. + * Presently this is always "ID3". + */ + static ByteVector fileIdentifier(); + + /*! + * Sets the data that will be used as the header. 10 bytes, starting from + * the beginning of \a data are used. + */ + void setData(const ByteVector &data); + + /*! + * Renders the Header back to binary format. + */ + ByteVector render() const; + + protected: + /*! + * Called by setData() to parse the header data. It makes this information + * available through the public API. + */ + void parse(const ByteVector &data); + + private: + Header(const Header &); + Header &operator=(const Header &); + + class HeaderPrivate; + HeaderPrivate *d; + }; + + } +} + +#endif diff --git a/libs/taglib/taglib/mpeg/id3v2/id3v2synchdata.cpp b/libs/taglib/taglib/mpeg/id3v2/id3v2synchdata.cpp new file mode 100644 index 0000000000..17503ba543 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/id3v2synchdata.cpp @@ -0,0 +1,63 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <iostream> + +#include "id3v2synchdata.h" + +using namespace TagLib; +using namespace ID3v2; + +TagLib::uint SynchData::toUInt(const ByteVector &data) +{ + uint sum = 0; + int last = data.size() > 4 ? 3 : data.size() - 1; + + for(int i = 0; i <= last; i++) + sum |= (data[i] & 0x7f) << ((last - i) * 7); + + return sum; +} + +ByteVector SynchData::fromUInt(uint value) +{ + ByteVector v(4, 0); + + for(int i = 0; i < 4; i++) + v[i] = uchar(value >> ((3 - i) * 7) & 0x7f); + + return v; +} + +ByteVector SynchData::decode(const ByteVector &data) +{ + ByteVector result = data; + + ByteVector pattern(2, char(0)); + pattern[0] = '\xFF'; + pattern[1] = '\x00'; + + return result.replace(pattern, '\xFF'); +} diff --git a/libs/taglib/taglib/mpeg/id3v2/id3v2synchdata.h b/libs/taglib/taglib/mpeg/id3v2/id3v2synchdata.h new file mode 100644 index 0000000000..86e0bfe551 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/id3v2synchdata.h @@ -0,0 +1,70 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_ID3V2SYNCHDATA_H +#define TAGLIB_ID3V2SYNCHDATA_H + +#include "tbytevector.h" +#include "taglib.h" + +namespace TagLib { + + namespace ID3v2 { + + //! A few functions for ID3v2 synch safe integer conversion + + /*! + * In the ID3v2.4 standard most integer values are encoded as "synch safe" + * integers which are encoded in such a way that they will not give false + * MPEG syncs and confuse MPEG decoders. This namespace provides some + * methods for converting to and from these values to ByteVectors for + * things rendering and parsing ID3v2 data. + */ + + namespace SynchData + { + /*! + * This returns the unsigned integer value of \a data where \a data is a + * ByteVector that contains a \e synchsafe integer (Structure, + * <a href="id3v2-structure.html#6.2">6.2</a>). The default \a length of + * 4 is used if another value is not specified. + */ + TAGLIB_EXPORT uint toUInt(const ByteVector &data); + + /*! + * Returns a 4 byte (32 bit) synchsafe integer based on \a value. + */ + TAGLIB_EXPORT ByteVector fromUInt(uint value); + + /*! + * Convert the data from unsynchronized data to its original format. + */ + TAGLIB_EXPORT ByteVector decode(const ByteVector &input); + } + + } +} + +#endif diff --git a/libs/taglib/taglib/mpeg/id3v2/id3v2tag.cpp b/libs/taglib/taglib/mpeg/id3v2/id3v2tag.cpp new file mode 100644 index 0000000000..beb496c8a0 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/id3v2tag.cpp @@ -0,0 +1,474 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tfile.h> +#include <tdebug.h> + +#include "id3v2tag.h" +#include "id3v2header.h" +#include "id3v2extendedheader.h" +#include "id3v2footer.h" +#include "id3v2synchdata.h" + +#include "id3v1genres.h" + +#include "frames/textidentificationframe.h" +#include "frames/commentsframe.h" + +using namespace TagLib; +using namespace ID3v2; + +class ID3v2::Tag::TagPrivate +{ +public: + TagPrivate() : file(0), tagOffset(-1), extendedHeader(0), footer(0), paddingSize(0) + { + frameList.setAutoDelete(true); + } + ~TagPrivate() + { + delete extendedHeader; + delete footer; + } + + File *file; + long tagOffset; + const FrameFactory *factory; + + Header header; + ExtendedHeader *extendedHeader; + Footer *footer; + + int paddingSize; + + FrameListMap frameListMap; + FrameList frameList; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +ID3v2::Tag::Tag() : TagLib::Tag() +{ + d = new TagPrivate; + d->factory = FrameFactory::instance(); +} + +ID3v2::Tag::Tag(File *file, long tagOffset, const FrameFactory *factory) : + TagLib::Tag() +{ + d = new TagPrivate; + + d->file = file; + d->tagOffset = tagOffset; + d->factory = factory; + + read(); +} + +ID3v2::Tag::~Tag() +{ + delete d; +} + + +String ID3v2::Tag::title() const +{ + if(!d->frameListMap["TIT2"].isEmpty()) + return d->frameListMap["TIT2"].front()->toString(); + return String::null; +} + +String ID3v2::Tag::artist() const +{ + if(!d->frameListMap["TPE1"].isEmpty()) + return d->frameListMap["TPE1"].front()->toString(); + return String::null; +} + +String ID3v2::Tag::album() const +{ + if(!d->frameListMap["TALB"].isEmpty()) + return d->frameListMap["TALB"].front()->toString(); + return String::null; +} + +String ID3v2::Tag::comment() const +{ + const FrameList &comments = d->frameListMap["COMM"]; + + if(comments.isEmpty()) + return String::null; + + for(FrameList::ConstIterator it = comments.begin(); it != comments.end(); ++it) + { + if(static_cast<CommentsFrame *>(*it)->description().isEmpty()) + return (*it)->toString(); + } + + return comments.front()->toString(); +} + +String ID3v2::Tag::genre() const +{ + // TODO: In the next major version (TagLib 2.0) a list of multiple genres + // should be separated by " / " instead of " ". For the moment to keep + // the behavior the same as released versions it is being left with " ". + + if(d->frameListMap["TCON"].isEmpty() || + !dynamic_cast<TextIdentificationFrame *>(d->frameListMap["TCON"].front())) + { + return String::null; + } + + // ID3v2.4 lists genres as the fields in its frames field list. If the field + // is simply a number it can be assumed that it is an ID3v1 genre number. + // Here was assume that if an ID3v1 string is present that it should be + // appended to the genre string. Multiple fields will be appended as the + // string is built. + + TextIdentificationFrame *f = static_cast<TextIdentificationFrame *>( + d->frameListMap["TCON"].front()); + + StringList fields = f->fieldList(); + + StringList genres; + + for(StringList::Iterator it = fields.begin(); it != fields.end(); ++it) { + + bool isNumber = true; + + for(String::ConstIterator charIt = (*it).begin(); + isNumber && charIt != (*it).end(); + ++charIt) + { + isNumber = *charIt >= '0' && *charIt <= '9'; + } + + if(isNumber) { + int number = (*it).toInt(); + if(number >= 0 && number <= 255) + *it = ID3v1::genre(number); + } + + if(std::find(genres.begin(), genres.end(), *it) == genres.end()) + genres.append(*it); + } + + return genres.toString(); +} + +TagLib::uint ID3v2::Tag::year() const +{ + if(!d->frameListMap["TDRC"].isEmpty()) + return d->frameListMap["TDRC"].front()->toString().substr(0, 4).toInt(); + return 0; +} + +TagLib::uint ID3v2::Tag::track() const +{ + if(!d->frameListMap["TRCK"].isEmpty()) + return d->frameListMap["TRCK"].front()->toString().toInt(); + return 0; +} + +void ID3v2::Tag::setTitle(const String &s) +{ + setTextFrame("TIT2", s); +} + +void ID3v2::Tag::setArtist(const String &s) +{ + setTextFrame("TPE1", s); +} + +void ID3v2::Tag::setAlbum(const String &s) +{ + setTextFrame("TALB", s); +} + +void ID3v2::Tag::setComment(const String &s) +{ + if(s.isEmpty()) { + removeFrames("COMM"); + return; + } + + if(!d->frameListMap["COMM"].isEmpty()) + d->frameListMap["COMM"].front()->setText(s); + else { + CommentsFrame *f = new CommentsFrame(d->factory->defaultTextEncoding()); + addFrame(f); + f->setText(s); + } +} + +void ID3v2::Tag::setGenre(const String &s) +{ + if(s.isEmpty()) { + removeFrames("TCON"); + return; + } + + // iTunes can't handle correctly encoded ID3v2.4 numerical genres. Just use + // strings until iTunes sucks less. + +#ifdef NO_ITUNES_HACKS + + int index = ID3v1::genreIndex(s); + + if(index != 255) + setTextFrame("TCON", String::number(index)); + else + setTextFrame("TCON", s); + +#else + + setTextFrame("TCON", s); + +#endif +} + +void ID3v2::Tag::setYear(uint i) +{ + if(i <= 0) { + removeFrames("TDRC"); + return; + } + setTextFrame("TDRC", String::number(i)); +} + +void ID3v2::Tag::setTrack(uint i) +{ + if(i <= 0) { + removeFrames("TRCK"); + return; + } + setTextFrame("TRCK", String::number(i)); +} + +bool ID3v2::Tag::isEmpty() const +{ + return d->frameList.isEmpty(); +} + +Header *ID3v2::Tag::header() const +{ + return &(d->header); +} + +ExtendedHeader *ID3v2::Tag::extendedHeader() const +{ + return d->extendedHeader; +} + +Footer *ID3v2::Tag::footer() const +{ + return d->footer; +} + +const FrameListMap &ID3v2::Tag::frameListMap() const +{ + return d->frameListMap; +} + +const FrameList &ID3v2::Tag::frameList() const +{ + return d->frameList; +} + +const FrameList &ID3v2::Tag::frameList(const ByteVector &frameID) const +{ + return d->frameListMap[frameID]; +} + +void ID3v2::Tag::addFrame(Frame *frame) +{ + d->frameList.append(frame); + d->frameListMap[frame->frameID()].append(frame); +} + +void ID3v2::Tag::removeFrame(Frame *frame, bool del) +{ + // remove the frame from the frame list + FrameList::Iterator it = d->frameList.find(frame); + d->frameList.erase(it); + + // ...and from the frame list map + it = d->frameListMap[frame->frameID()].find(frame); + d->frameListMap[frame->frameID()].erase(it); + + // ...and delete as desired + if(del) + delete frame; +} + +void ID3v2::Tag::removeFrames(const ByteVector &id) +{ + FrameList l = d->frameListMap[id]; + for(FrameList::Iterator it = l.begin(); it != l.end(); ++it) + removeFrame(*it, true); +} + +ByteVector ID3v2::Tag::render() const +{ + // We need to render the "tag data" first so that we have to correct size to + // render in the tag's header. The "tag data" -- everything that is included + // in ID3v2::Header::tagSize() -- includes the extended header, frames and + // padding, but does not include the tag's header or footer. + + ByteVector tagData; + + // TODO: Render the extended header. + + // Loop through the frames rendering them and adding them to the tagData. + + for(FrameList::Iterator it = d->frameList.begin(); it != d->frameList.end(); it++) { + if(!(*it)->header()->tagAlterPreservation()) + tagData.append((*it)->render()); + } + + // Compute the amount of padding, and append that to tagData. + + uint paddingSize = 0; + uint originalSize = d->header.tagSize(); + + if(tagData.size() < originalSize) + paddingSize = originalSize - tagData.size(); + else + paddingSize = 1024; + + tagData.append(ByteVector(paddingSize, char(0))); + + // Set the tag size. + d->header.setTagSize(tagData.size()); + + // TODO: This should eventually include d->footer->render(). + return d->header.render() + tagData; +} + +//////////////////////////////////////////////////////////////////////////////// +// protected members +//////////////////////////////////////////////////////////////////////////////// + +void ID3v2::Tag::read() +{ + if(d->file && d->file->isOpen()) { + + d->file->seek(d->tagOffset); + d->header.setData(d->file->readBlock(Header::size())); + + // if the tag size is 0, then this is an invalid tag (tags must contain at + // least one frame) + + if(d->header.tagSize() == 0) + return; + + parse(d->file->readBlock(d->header.tagSize())); + } +} + +void ID3v2::Tag::parse(const ByteVector &origData) +{ + ByteVector data = origData; + + if(d->header.unsynchronisation() && d->header.majorVersion() <= 3) + data = SynchData::decode(data); + + uint frameDataPosition = 0; + uint frameDataLength = data.size(); + + // check for extended header + + if(d->header.extendedHeader()) { + if(!d->extendedHeader) + d->extendedHeader = new ExtendedHeader; + d->extendedHeader->setData(data); + if(d->extendedHeader->size() <= data.size()) { + frameDataPosition += d->extendedHeader->size(); + frameDataLength -= d->extendedHeader->size(); + } + } + + // check for footer -- we don't actually need to parse it, as it *must* + // contain the same data as the header, but we do need to account for its + // size. + + if(d->header.footerPresent() && Footer::size() <= frameDataLength) + frameDataLength -= Footer::size(); + + // parse frames + + // Make sure that there is at least enough room in the remaining frame data for + // a frame header. + + while(frameDataPosition < frameDataLength - Frame::headerSize(d->header.majorVersion())) { + + // If the next data is position is 0, assume that we've hit the padding + // portion of the frame data. + + if(data.at(frameDataPosition) == 0) { + if(d->header.footerPresent()) + debug("Padding *and* a footer found. This is not allowed by the spec."); + + d->paddingSize = frameDataLength - frameDataPosition; + return; + } + + Frame *frame = d->factory->createFrame(data.mid(frameDataPosition), + &d->header); + + if(!frame) + return; + + // Checks to make sure that frame parsed correctly. + + if(frame->size() <= 0) { + delete frame; + return; + } + + frameDataPosition += frame->size() + Frame::headerSize(d->header.majorVersion()); + addFrame(frame); + } +} + +void ID3v2::Tag::setTextFrame(const ByteVector &id, const String &value) +{ + if(value.isEmpty()) { + removeFrames(id); + return; + } + + if(!d->frameListMap[id].isEmpty()) + d->frameListMap[id].front()->setText(value); + else { + const String::Type encoding = d->factory->defaultTextEncoding(); + TextIdentificationFrame *f = new TextIdentificationFrame(id, encoding); + addFrame(f); + f->setText(value); + } +} diff --git a/libs/taglib/taglib/mpeg/id3v2/id3v2tag.h b/libs/taglib/taglib/mpeg/id3v2/id3v2tag.h new file mode 100644 index 0000000000..f43f6b7682 --- /dev/null +++ b/libs/taglib/taglib/mpeg/id3v2/id3v2tag.h @@ -0,0 +1,300 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_ID3V2TAG_H +#define TAGLIB_ID3V2TAG_H + +#include "tag.h" +#include "tbytevector.h" +#include "tstring.h" +#include "tlist.h" +#include "tmap.h" +#include "taglib_export.h" + +#include "id3v2framefactory.h" + +namespace TagLib { + + class File; + + //! An ID3v2 implementation + + /*! + * This is a relatively complete and flexible framework for working with ID3v2 + * tags. + * + * \see ID3v2::Tag + */ + + namespace ID3v2 { + + class Header; + class ExtendedHeader; + class Footer; + + typedef List<Frame *> FrameList; + typedef Map<ByteVector, FrameList> FrameListMap; + + //! The main class in the ID3v2 implementation + + /*! + * This is the main class in the ID3v2 implementation. It serves two + * functions. This first, as is obvious from the public API, is to provide a + * container for the other ID3v2 related classes. In addition, through the + * read() and parse() protected methods, it provides the most basic level of + * parsing. In these methods the ID3v2 tag is extracted from the file and + * split into data components. + * + * ID3v2 tags have several parts, TagLib attempts to provide an interface + * for them all. header(), footer() and extendedHeader() corespond to those + * data structures in the ID3v2 standard and the APIs for the classes that + * they return attempt to reflect this. + * + * Also ID3v2 tags are built up from a list of frames, which are in turn + * have a header and a list of fields. TagLib provides two ways of accessing + * the list of frames that are in a given ID3v2 tag. The first is simply + * via the frameList() method. This is just a list of pointers to the frames. + * The second is a map from the frame type -- i.e. "COMM" for comments -- and + * a list of frames of that type. (In some cases ID3v2 allows for multiple + * frames of the same type, hence this being a map to a list rather than just + * a map to an individual frame.) + * + * More information on the structure of frames can be found in the ID3v2::Frame + * class. + * + * read() and parse() pass binary data to the other ID3v2 class structures, + * they do not handle parsing of flags or fields, for instace. Those are + * handled by similar functions within those classes. + * + * \note All pointers to data structures within the tag will become invalid + * when the tag is destroyed. + * + * \warning Dealing with the nasty details of ID3v2 is not for the faint of + * heart and should not be done without much meditation on the spec. It's + * rather long, but if you're planning on messing with this class and others + * that deal with the details of ID3v2 (rather than the nice, safe, abstract + * TagLib::Tag and friends), it's worth your time to familiarize yourself + * with said spec (which is distrubuted with the TagLib sources). TagLib + * tries to do most of the work, but with a little luck, you can still + * convince it to generate invalid ID3v2 tags. The APIs for ID3v2 assume a + * working knowledge of ID3v2 structure. You're been warned. + */ + + class TAGLIB_EXPORT Tag : public TagLib::Tag + { + public: + /*! + * Constructs an empty ID3v2 tag. + * + * \note You must create at least one frame for this tag to be valid. + */ + Tag(); + + /*! + * Constructs an ID3v2 tag read from \a file starting at \a tagOffset. + * \a factory specifies which FrameFactory will be used for the + * construction of new frames. + * + * \note You should be able to ignore the \a factory parameter in almost + * all situations. You would want to specify your own FrameFactory + * subclass in the case that you are extending TagLib to support additional + * frame types, which would be incorperated into your factory. + * + * \see FrameFactory + */ + Tag(File *file, long tagOffset, + const FrameFactory *factory = FrameFactory::instance()); + + /*! + * Destroys this Tag instance. + */ + virtual ~Tag(); + + // Reimplementations. + + virtual String title() const; + virtual String artist() const; + virtual String album() const; + virtual String comment() const; + virtual String genre() const; + virtual uint year() const; + virtual uint track() const; + + virtual void setTitle(const String &s); + virtual void setArtist(const String &s); + virtual void setAlbum(const String &s); + virtual void setComment(const String &s); + virtual void setGenre(const String &s); + virtual void setYear(uint i); + virtual void setTrack(uint i); + + virtual bool isEmpty() const; + + /*! + * Returns a pointer to the tag's header. + */ + Header *header() const; + + /*! + * Returns a pointer to the tag's extended header or null if there is no + * extended header. + */ + ExtendedHeader *extendedHeader() const; + + /*! + * Returns a pointer to the tag's footer or null if there is no footer. + * + * \deprecated I don't see any reason to keep this around since there's + * nothing useful to be retrieved from the footer, but well, again, I'm + * prone to change my mind, so this gets to stay around until near a + * release. + */ + Footer *footer() const; + + /*! + * Returns a reference to the frame list map. This is an FrameListMap of + * all of the frames in the tag. + * + * This is the most convenient structure for accessing the tag's frames. + * Many frame types allow multiple instances of the same frame type so this + * is a map of lists. In most cases however there will only be a single + * frame of a certain type. + * + * Let's say for instance that you wanted to access the frame for total + * beats per minute -- the TBPM frame. + * + * \code + * TagLib::MPEG::File f("foo.mp3"); + * + * // Check to make sure that it has an ID3v2 tag + * + * if(f.ID3v2Tag()) { + * + * // Get the list of frames for a specific frame type + * + * TagLib::ID3v2::FrameList l = f.ID3v2Tag()->frameListMap()["TBPM"]; + * + * if(!l.isEmpty()) + * std::cout << l.front()->toString() << std::endl; + * } + * + * \endcode + * + * \warning You should not modify this data structure directly, instead + * use addFrame() and removeFrame(). + * + * \see frameList() + */ + const FrameListMap &frameListMap() const; + + /*! + * Returns a reference to the frame list. This is an FrameList of all of + * the frames in the tag in the order that they were parsed. + * + * This can be useful if for example you want iterate over the tag's frames + * in the order that they occur in the tag. + * + * \warning You should not modify this data structure directly, instead + * use addFrame() and removeFrame(). + */ + const FrameList &frameList() const; + + /*! + * Returns the frame list for frames with the id \a frameID or an empty + * list if there are no frames of that type. This is just a convenience + * and is equivalent to: + * + * \code + * frameListMap()[frameID]; + * \endcode + * + * \see frameListMap() + */ + const FrameList &frameList(const ByteVector &frameID) const; + + /*! + * Add a frame to the tag. At this point the tag takes ownership of + * the frame and will handle freeing its memory. + * + * \note Using this method will invalidate any pointers on the list + * returned by frameList() + */ + void addFrame(Frame *frame); + + /*! + * Remove a frame from the tag. If \a del is true the frame's memory + * will be freed; if it is false, it must be deleted by the user. + * + * \note Using this method will invalidate any pointers on the list + * returned by frameList() + */ + void removeFrame(Frame *frame, bool del = true); + + /*! + * Remove all frames of type \a id from the tag and free their memory. + * + * \note Using this method will invalidate any pointers on the list + * returned by frameList() + */ + void removeFrames(const ByteVector &id); + + /*! + * Render the tag back to binary data, suitable to be written to disk. + */ + ByteVector render() const; + + protected: + /*! + * Reads data from the file specified in the constructor. It does basic + * parsing of the data in the largest chunks. It partitions the tag into + * the Header, the body of the tag (which contains the ExtendedHeader and + * frames) and Footer. + */ + void read(); + + /*! + * This is called by read to parse the body of the tag. It determines if an + * extended header exists and adds frames to the FrameListMap. + */ + void parse(const ByteVector &data); + + /*! + * Sets the value of the text frame with the Frame ID \a id to \a value. + * If the frame does not exist, it is created. + */ + void setTextFrame(const ByteVector &id, const String &value); + + private: + Tag(const Tag &); + Tag &operator=(const Tag &); + + class TagPrivate; + TagPrivate *d; + }; + + } +} + +#endif diff --git a/libs/taglib/taglib/mpeg/mpegfile.cpp b/libs/taglib/taglib/mpeg/mpegfile.cpp new file mode 100644 index 0000000000..024d811005 --- /dev/null +++ b/libs/taglib/taglib/mpeg/mpegfile.cpp @@ -0,0 +1,593 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tagunion.h> +#include <id3v2tag.h> +#include <id3v2header.h> +#include <id3v1tag.h> +#include <apefooter.h> +#include <apetag.h> +#include <tdebug.h> + +#include <bitset> + +#include "mpegfile.h" +#include "mpegheader.h" + +using namespace TagLib; + +namespace +{ + enum { ID3v2Index = 0, APEIndex = 1, ID3v1Index = 2 }; +} + +class MPEG::File::FilePrivate +{ +public: + FilePrivate(ID3v2::FrameFactory *frameFactory = ID3v2::FrameFactory::instance()) : + ID3v2FrameFactory(frameFactory), + ID3v2Location(-1), + ID3v2OriginalSize(0), + APELocation(-1), + APEFooterLocation(-1), + APEOriginalSize(0), + ID3v1Location(-1), + hasID3v2(false), + hasID3v1(false), + hasAPE(false), + properties(0) + { + + } + + ~FilePrivate() + { + delete properties; + } + + const ID3v2::FrameFactory *ID3v2FrameFactory; + + long ID3v2Location; + uint ID3v2OriginalSize; + + long APELocation; + long APEFooterLocation; + uint APEOriginalSize; + + long ID3v1Location; + + TagUnion tag; + + // These indicate whether the file *on disk* has these tags, not if + // this data structure does. This is used in computing offsets. + + bool hasID3v2; + bool hasID3v1; + bool hasAPE; + + Properties *properties; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +MPEG::File::File(FileName file, bool readProperties, + Properties::ReadStyle propertiesStyle) : TagLib::File(file) +{ + d = new FilePrivate; + + if(isOpen()) + read(readProperties, propertiesStyle); +} + +MPEG::File::File(FileName file, ID3v2::FrameFactory *frameFactory, + bool readProperties, Properties::ReadStyle propertiesStyle) : + TagLib::File(file) +{ + d = new FilePrivate(frameFactory); + + if(isOpen()) + read(readProperties, propertiesStyle); +} + +MPEG::File::~File() +{ + delete d; +} + +TagLib::Tag *MPEG::File::tag() const +{ + return &d->tag; +} + +MPEG::Properties *MPEG::File::audioProperties() const +{ + return d->properties; +} + +bool MPEG::File::save() +{ + return save(AllTags); +} + +bool MPEG::File::save(int tags) +{ + return save(tags, true); +} + +bool MPEG::File::save(int tags, bool stripOthers) +{ + if(tags == NoTags && stripOthers) + return strip(AllTags); + + if(!ID3v2Tag() && !ID3v1Tag() && !APETag()) { + + if((d->hasID3v1 || d->hasID3v2 || d->hasAPE) && stripOthers) + return strip(AllTags); + + return true; + } + + if(readOnly()) { + debug("MPEG::File::save() -- File is read only."); + return false; + } + + // Create the tags if we've been asked to. Copy the values from the tag that + // does exist into the new tag. + + if((tags & ID3v2) && ID3v1Tag()) + Tag::duplicate(ID3v1Tag(), ID3v2Tag(true), false); + + if((tags & ID3v1) && d->tag[ID3v2Index]) + Tag::duplicate(ID3v2Tag(), ID3v1Tag(true), false); + + bool success = true; + + if(ID3v2 & tags) { + + if(ID3v2Tag() && !ID3v2Tag()->isEmpty()) { + + if(!d->hasID3v2) + d->ID3v2Location = 0; + + insert(ID3v2Tag()->render(), d->ID3v2Location, d->ID3v2OriginalSize); + + d->hasID3v2 = true; + + // v1 tag location has changed, update if it exists + + if(ID3v1Tag()) + d->ID3v1Location = findID3v1(); + + // APE tag location has changed, update if it exists + + if(APETag()) + findAPE(); + } + else if(stripOthers) + success = strip(ID3v2, false) && success; + } + else if(d->hasID3v2 && stripOthers) + success = strip(ID3v2) && success; + + if(ID3v1 & tags) { + if(ID3v1Tag() && !ID3v1Tag()->isEmpty()) { + int offset = d->hasID3v1 ? -128 : 0; + seek(offset, End); + writeBlock(ID3v1Tag()->render()); + d->hasID3v1 = true; + d->ID3v1Location = findID3v1(); + } + else if(stripOthers) + success = strip(ID3v1) && success; + } + else if(d->hasID3v1 && stripOthers) + success = strip(ID3v1, false) && success; + + // Dont save an APE-tag unless one has been created + + if((APE & tags) && APETag()) { + if(d->hasAPE) + insert(APETag()->render(), d->APELocation, d->APEOriginalSize); + else { + if(d->hasID3v1) { + insert(APETag()->render(), d->ID3v1Location, 0); + d->APEOriginalSize = APETag()->footer()->completeTagSize(); + d->hasAPE = true; + d->APELocation = d->ID3v1Location; + d->ID3v1Location += d->APEOriginalSize; + } + else { + seek(0, End); + d->APELocation = tell(); + d->APEFooterLocation = d->APELocation + + d->tag.access<APE::Tag>(APEIndex, false)->footer()->completeTagSize() + - APE::Footer::size(); + writeBlock(APETag()->render()); + d->APEOriginalSize = APETag()->footer()->completeTagSize(); + d->hasAPE = true; + } + } + } + else if(d->hasAPE && stripOthers) + success = strip(APE, false) && success; + + return success; +} + +ID3v2::Tag *MPEG::File::ID3v2Tag(bool create) +{ + return d->tag.access<ID3v2::Tag>(ID3v2Index, create); +} + +ID3v1::Tag *MPEG::File::ID3v1Tag(bool create) +{ + return d->tag.access<ID3v1::Tag>(ID3v1Index, create); +} + +APE::Tag *MPEG::File::APETag(bool create) +{ + return d->tag.access<APE::Tag>(APEIndex, create); +} + +bool MPEG::File::strip(int tags) +{ + return strip(tags, true); +} + +bool MPEG::File::strip(int tags, bool freeMemory) +{ + if(readOnly()) { + debug("MPEG::File::strip() - Cannot strip tags from a read only file."); + return false; + } + + if((tags & ID3v2) && d->hasID3v2) { + removeBlock(d->ID3v2Location, d->ID3v2OriginalSize); + d->ID3v2Location = -1; + d->ID3v2OriginalSize = 0; + d->hasID3v2 = false; + + if(freeMemory) + d->tag.set(ID3v2Index, 0); + + // v1 tag location has changed, update if it exists + + if(ID3v1Tag()) + d->ID3v1Location = findID3v1(); + + // APE tag location has changed, update if it exists + + if(APETag()) + findAPE(); + } + + if((tags & ID3v1) && d->hasID3v1) { + truncate(d->ID3v1Location); + d->ID3v1Location = -1; + d->hasID3v1 = false; + + if(freeMemory) + d->tag.set(ID3v1Index, 0); + } + + if((tags & APE) && d->hasAPE) { + removeBlock(d->APELocation, d->APEOriginalSize); + d->APELocation = -1; + d->APEFooterLocation = -1; + d->hasAPE = false; + if(d->hasID3v1) { + if(d->ID3v1Location > d->APELocation) + d->ID3v1Location -= d->APEOriginalSize; + } + + if(freeMemory) + d->tag.set(APEIndex, 0); + } + + return true; +} + +void MPEG::File::setID3v2FrameFactory(const ID3v2::FrameFactory *factory) +{ + d->ID3v2FrameFactory = factory; +} + +long MPEG::File::nextFrameOffset(long position) +{ + bool foundLastSyncPattern = false; + + ByteVector buffer; + + while(true) { + seek(position); + buffer = readBlock(bufferSize()); + + if(buffer.size() <= 0) + return -1; + + if(foundLastSyncPattern && secondSynchByte(buffer[0])) + return position - 1; + + for(uint i = 0; i < buffer.size() - 1; i++) { + if(uchar(buffer[i]) == 0xff && secondSynchByte(buffer[i + 1])) + return position + i; + } + + foundLastSyncPattern = uchar(buffer[buffer.size() - 1]) == 0xff; + position += buffer.size(); + } +} + +long MPEG::File::previousFrameOffset(long position) +{ + bool foundFirstSyncPattern = false; + ByteVector buffer; + + while (position > 0) { + long size = ulong(position) < bufferSize() ? position : bufferSize(); + position -= size; + + seek(position); + buffer = readBlock(size); + + if(buffer.size() <= 0) + break; + + if(foundFirstSyncPattern && uchar(buffer[buffer.size() - 1]) == 0xff) + return position + buffer.size() - 1; + + for(int i = buffer.size() - 2; i >= 0; i--) { + if(uchar(buffer[i]) == 0xff && secondSynchByte(buffer[i + 1])) + return position + i; + } + + foundFirstSyncPattern = secondSynchByte(buffer[0]); + } + return -1; +} + +long MPEG::File::firstFrameOffset() +{ + long position = 0; + + if(ID3v2Tag()) + position = d->ID3v2Location + ID3v2Tag()->header()->completeTagSize(); + + return nextFrameOffset(position); +} + +long MPEG::File::lastFrameOffset() +{ + return previousFrameOffset(ID3v1Tag() ? d->ID3v1Location - 1 : length()); +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +void MPEG::File::read(bool readProperties, Properties::ReadStyle propertiesStyle) +{ + // Look for an ID3v2 tag + + d->ID3v2Location = findID3v2(); + + if(d->ID3v2Location >= 0) { + + d->tag.set(ID3v2Index, new ID3v2::Tag(this, d->ID3v2Location, d->ID3v2FrameFactory)); + + d->ID3v2OriginalSize = ID3v2Tag()->header()->completeTagSize(); + + if(ID3v2Tag()->header()->tagSize() <= 0) + d->tag.set(ID3v2Index, 0); + else + d->hasID3v2 = true; + } + + // Look for an ID3v1 tag + + d->ID3v1Location = findID3v1(); + + if(d->ID3v1Location >= 0) { + d->tag.set(ID3v1Index, new ID3v1::Tag(this, d->ID3v1Location)); + d->hasID3v1 = true; + } + + // Look for an APE tag + + findAPE(); + + if(d->APELocation >= 0) { + + d->tag.set(APEIndex, new APE::Tag(this, d->APEFooterLocation)); + d->APEOriginalSize = APETag()->footer()->completeTagSize(); + d->hasAPE = true; + } + + if(readProperties) + d->properties = new Properties(this, propertiesStyle); + + // Make sure that we have our default tag types available. + + ID3v2Tag(true); + ID3v1Tag(true); +} + +long MPEG::File::findID3v2() +{ + // This method is based on the contents of TagLib::File::find(), but because + // of some subtlteies -- specifically the need to look for the bit pattern of + // an MPEG sync, it has been modified for use here. + + if(isValid() && ID3v2::Header::fileIdentifier().size() <= bufferSize()) { + + // The position in the file that the current buffer starts at. + + long bufferOffset = 0; + ByteVector buffer; + + // These variables are used to keep track of a partial match that happens at + // the end of a buffer. + + int previousPartialMatch = -1; + bool previousPartialSynchMatch = false; + + // Save the location of the current read pointer. We will restore the + // position using seek() before all returns. + + long originalPosition = tell(); + + // Start the search at the beginning of the file. + + seek(0); + + // This loop is the crux of the find method. There are three cases that we + // want to account for: + // (1) The previously searched buffer contained a partial match of the search + // pattern and we want to see if the next one starts with the remainder of + // that pattern. + // + // (2) The search pattern is wholly contained within the current buffer. + // + // (3) The current buffer ends with a partial match of the pattern. We will + // note this for use in the next itteration, where we will check for the rest + // of the pattern. + + for(buffer = readBlock(bufferSize()); buffer.size() > 0; buffer = readBlock(bufferSize())) { + + // (1) previous partial match + + if(previousPartialSynchMatch && secondSynchByte(buffer[0])) + return -1; + + if(previousPartialMatch >= 0 && int(bufferSize()) > previousPartialMatch) { + const int patternOffset = (bufferSize() - previousPartialMatch); + if(buffer.containsAt(ID3v2::Header::fileIdentifier(), 0, patternOffset)) { + seek(originalPosition); + return bufferOffset - bufferSize() + previousPartialMatch; + } + } + + // (2) pattern contained in current buffer + + long location = buffer.find(ID3v2::Header::fileIdentifier()); + if(location >= 0) { + seek(originalPosition); + return bufferOffset + location; + } + + int firstSynchByte = buffer.find(char(uchar(255))); + + // Here we have to loop because there could be several of the first + // (11111111) byte, and we want to check all such instances until we find + // a full match (11111111 111) or hit the end of the buffer. + + while(firstSynchByte >= 0) { + + // if this *is not* at the end of the buffer + + if(firstSynchByte < int(buffer.size()) - 1) { + if(secondSynchByte(buffer[firstSynchByte + 1])) { + // We've found the frame synch pattern. + seek(originalPosition); + return -1; + } + else { + + // We found 11111111 at the end of the current buffer indicating a + // partial match of the synch pattern. The find() below should + // return -1 and break out of the loop. + + previousPartialSynchMatch = true; + } + } + + // Check in the rest of the buffer. + + firstSynchByte = buffer.find(char(uchar(255)), firstSynchByte + 1); + } + + // (3) partial match + + previousPartialMatch = buffer.endsWithPartialMatch(ID3v2::Header::fileIdentifier()); + + bufferOffset += bufferSize(); + } + + // Since we hit the end of the file, reset the status before continuing. + + clear(); + + seek(originalPosition); + } + + return -1; +} + +long MPEG::File::findID3v1() +{ + if(isValid()) { + seek(-128, End); + long p = tell(); + + if(readBlock(3) == ID3v1::Tag::fileIdentifier()) + return p; + } + return -1; +} + +void MPEG::File::findAPE() +{ + if(isValid()) { + seek(d->hasID3v1 ? -160 : -32, End); + + long p = tell(); + + if(readBlock(8) == APE::Tag::fileIdentifier()) { + d->APEFooterLocation = p; + seek(d->APEFooterLocation); + APE::Footer footer(readBlock(APE::Footer::size())); + d->APELocation = d->APEFooterLocation - footer.completeTagSize() + + APE::Footer::size(); + return; + } + } + + d->APELocation = -1; + d->APEFooterLocation = -1; +} + +bool MPEG::File::secondSynchByte(char byte) +{ + if(uchar(byte) == 0xff) + return false; + + std::bitset<8> b(byte); + + // check to see if the byte matches 111xxxxx + return b.test(7) && b.test(6) && b.test(5); +} diff --git a/libs/taglib/taglib/mpeg/mpegfile.h b/libs/taglib/taglib/mpeg/mpegfile.h new file mode 100644 index 0000000000..b53c94c7ce --- /dev/null +++ b/libs/taglib/taglib/mpeg/mpegfile.h @@ -0,0 +1,277 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_MPEGFILE_H +#define TAGLIB_MPEGFILE_H + +#include "taglib_export.h" +#include "tfile.h" + +#include "mpegproperties.h" + +namespace TagLib { + + namespace ID3v2 { class Tag; class FrameFactory; } + namespace ID3v1 { class Tag; } + namespace APE { class Tag; } + + //! An implementation of TagLib::File with MPEG (MP3) specific methods + + namespace MPEG { + + //! An MPEG file class with some useful methods specific to MPEG + + /*! + * This implements the generic TagLib::File API and additionally provides + * access to properties that are distinct to MPEG files, notably access + * to the different ID3 tags. + */ + + class TAGLIB_EXPORT File : public TagLib::File + { + public: + /*! + * This set of flags is used for various operations and is suitable for + * being OR-ed together. + */ + enum TagTypes { + //! Empty set. Matches no tag types. + NoTags = 0x0000, + //! Matches ID3v1 tags. + ID3v1 = 0x0001, + //! Matches ID3v2 tags. + ID3v2 = 0x0002, + //! Matches APE tags. + APE = 0x0004, + //! Matches all tag types. + AllTags = 0xffff + }; + + /*! + * Contructs an MPEG file from \a file. If \a readProperties is true the + * file's audio properties will also be read using \a propertiesStyle. If + * false, \a propertiesStyle is ignored. + * + * \deprecated This constructor will be dropped in favor of the one below + * in a future version. + */ + File(FileName file, bool readProperties = true, + Properties::ReadStyle propertiesStyle = Properties::Average); + + /*! + * Contructs an MPEG file from \a file. If \a readProperties is true the + * file's audio properties will also be read using \a propertiesStyle. If + * false, \a propertiesStyle is ignored. The frames will be created using + * \a frameFactory. + */ + // BIC: merge with the above constructor + File(FileName file, ID3v2::FrameFactory *frameFactory, + bool readProperties = true, + Properties::ReadStyle propertiesStyle = Properties::Average); + + /*! + * Destroys this instance of the File. + */ + virtual ~File(); + + /*! + * Returns a pointer to a tag that is the union of the ID3v2 and ID3v1 + * tags. The ID3v2 tag is given priority in reading the information -- if + * requested information exists in both the ID3v2 tag and the ID3v1 tag, + * the information from the ID3v2 tag will be returned. + * + * If you would like more granular control over the content of the tags, + * with the concession of generality, use the tag-type specific calls. + * + * \note As this tag is not implemented as an ID3v2 tag or an ID3v1 tag, + * but a union of the two this pointer may not be cast to the specific + * tag types. + * + * \see ID3v1Tag() + * \see ID3v2Tag() + * \see APETag() + */ + virtual Tag *tag() const; + + /*! + * Returns the MPEG::Properties for this file. If no audio properties + * were read then this will return a null pointer. + */ + virtual Properties *audioProperties() const; + + /*! + * Save the file. If at least one tag -- ID3v1 or ID3v2 -- exists this + * will duplicate its content into the other tag. This returns true + * if saving was successful. + * + * If neither exists or if both tags are empty, this will strip the tags + * from the file. + * + * This is the same as calling save(AllTags); + * + * If you would like more granular control over the content of the tags, + * with the concession of generality, use paramaterized save call below. + * + * \see save(int tags) + */ + virtual bool save(); + + /*! + * Save the file. This will attempt to save all of the tag types that are + * specified by OR-ing together TagTypes values. The save() method above + * uses AllTags. This returns true if saving was successful. + * + * This strips all tags not included in the mask, but does not modify them + * in memory, so later calls to save() which make use of these tags will + * remain valid. This also strips empty tags. + */ + bool save(int tags); + + /*! + * Save the file. This will attempt to save all of the tag types that are + * specified by OR-ing together TagTypes values. The save() method above + * uses AllTags. This returns true if saving was successful. + * + * If \a stripOthers is true this strips all tags not included in the mask, + * but does not modify them in memory, so later calls to save() which make + * use of these tags will remain valid. This also strips empty tags. + */ + // BIC: combine with the above method + bool save(int tags, bool stripOthers); + + /*! + * Returns a pointer to the ID3v2 tag of the file. + * + * If \a create is false (the default) this will return a null pointer + * if there is no valid ID3v2 tag. If \a create is true it will create + * an ID3v2 tag if one does not exist. + * + * \note The Tag <b>is still</b> owned by the MPEG::File and should not be + * deleted by the user. It will be deleted when the file (object) is + * destroyed. + */ + ID3v2::Tag *ID3v2Tag(bool create = false); + + /*! + * Returns a pointer to the ID3v1 tag of the file. + * + * If \a create is false (the default) this will return a null pointer + * if there is no valid ID3v1 tag. If \a create is true it will create + * an ID3v1 tag if one does not exist. + * + * \note The Tag <b>is still</b> owned by the MPEG::File and should not be + * deleted by the user. It will be deleted when the file (object) is + * destroyed. + */ + ID3v1::Tag *ID3v1Tag(bool create = false); + + /*! + * Returns a pointer to the APE tag of the file. + * + * If \a create is false (the default) this will return a null pointer + * if there is no valid APE tag. If \a create is true it will create + * an APE tag if one does not exist. + * + * \note The Tag <b>is still</b> owned by the MPEG::File and should not be + * deleted by the user. It will be deleted when the file (object) is + * destroyed. + */ + APE::Tag *APETag(bool create = false); + + /*! + * This will strip the tags that match the OR-ed together TagTypes from the + * file. By default it strips all tags. It returns true if the tags are + * successfully stripped. + * + * This is equivalent to strip(tags, true) + * + * \note This will also invalidate pointers to the ID3 and APE tags + * as their memory will be freed. + */ + bool strip(int tags = AllTags); + + /*! + * This will strip the tags that match the OR-ed together TagTypes from the + * file. By default it strips all tags. It returns true if the tags are + * successfully stripped. + * + * If \a freeMemory is true the ID3 and APE tags will be deleted and + * pointers to them will be invalidated. + */ + // BIC: merge with the method above + bool strip(int tags, bool freeMemory); + + /*! + * Set the ID3v2::FrameFactory to something other than the default. + * + * \see ID3v2FrameFactory + */ + void setID3v2FrameFactory(const ID3v2::FrameFactory *factory); + + /*! + * Returns the position in the file of the first MPEG frame. + */ + long firstFrameOffset(); + + /*! + * Returns the position in the file of the next MPEG frame, + * using the current position as start + */ + long nextFrameOffset(long position); + + /*! + * Returns the position in the file of the previous MPEG frame, + * using the current position as start + */ + long previousFrameOffset(long position); + + /*! + * Returns the position in the file of the last MPEG frame. + */ + long lastFrameOffset(); + + private: + File(const File &); + File &operator=(const File &); + + void read(bool readProperties, Properties::ReadStyle propertiesStyle); + long findID3v2(); + long findID3v1(); + void findAPE(); + + /*! + * MPEG frames can be recognized by the bit pattern 11111111 111, so the + * first byte is easy to check for, however checking to see if the second byte + * starts with \e 111 is a bit more tricky, hence this member function. + */ + static bool secondSynchByte(char byte); + + class FilePrivate; + FilePrivate *d; + }; + } +} + +#endif diff --git a/libs/taglib/taglib/mpeg/mpegheader.cpp b/libs/taglib/taglib/mpeg/mpegheader.cpp new file mode 100644 index 0000000000..5238498b2e --- /dev/null +++ b/libs/taglib/taglib/mpeg/mpegheader.cpp @@ -0,0 +1,276 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <bitset> + +#include <tbytevector.h> +#include <tstring.h> +#include <tdebug.h> + +#include "mpegheader.h" + +using namespace TagLib; + +class MPEG::Header::HeaderPrivate : public RefCounter +{ +public: + HeaderPrivate() : + isValid(false), + version(Version1), + layer(0), + protectionEnabled(false), + sampleRate(0), + isPadded(false), + channelMode(Stereo), + isCopyrighted(false), + isOriginal(false), + frameLength(0), + samplesPerFrame(0) {} + + bool isValid; + Version version; + int layer; + bool protectionEnabled; + int bitrate; + int sampleRate; + bool isPadded; + ChannelMode channelMode; + bool isCopyrighted; + bool isOriginal; + int frameLength; + int samplesPerFrame; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +MPEG::Header::Header(const ByteVector &data) +{ + d = new HeaderPrivate; + parse(data); +} + +MPEG::Header::Header(const Header &h) : d(h.d) +{ + d->ref(); +} + +MPEG::Header::~Header() +{ + if (d->deref()) + delete d; +} + +bool MPEG::Header::isValid() const +{ + return d->isValid; +} + +MPEG::Header::Version MPEG::Header::version() const +{ + return d->version; +} + +int MPEG::Header::layer() const +{ + return d->layer; +} + +bool MPEG::Header::protectionEnabled() const +{ + return d->protectionEnabled; +} + +int MPEG::Header::bitrate() const +{ + return d->bitrate; +} + +int MPEG::Header::sampleRate() const +{ + return d->sampleRate; +} + +bool MPEG::Header::isPadded() const +{ + return d->isPadded; +} + +MPEG::Header::ChannelMode MPEG::Header::channelMode() const +{ + return d->channelMode; +} + +bool MPEG::Header::isCopyrighted() const +{ + return d->isCopyrighted; +} + +bool MPEG::Header::isOriginal() const +{ + return d->isOriginal; +} + +int MPEG::Header::frameLength() const +{ + return d->frameLength; +} + +int MPEG::Header::samplesPerFrame() const +{ + return d->samplesPerFrame; +} + +MPEG::Header &MPEG::Header::operator=(const Header &h) +{ + if(&h == this) + return *this; + + if(d->deref()) + delete d; + + d = h.d; + d->ref(); + return *this; +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +void MPEG::Header::parse(const ByteVector &data) +{ + if(data.size() < 4 || uchar(data[0]) != 0xff) { + debug("MPEG::Header::parse() -- First byte did not mactch MPEG synch."); + return; + } + + std::bitset<32> flags(data.toUInt()); + + // Check for the second byte's part of the MPEG synch + + if(!flags[23] || !flags[22] || !flags[21]) { + debug("MPEG::Header::parse() -- Second byte did not mactch MPEG synch."); + return; + } + + // Set the MPEG version + + if(!flags[20] && !flags[19]) + d->version = Version2_5; + else if(flags[20] && !flags[19]) + d->version = Version2; + else if(flags[20] && flags[19]) + d->version = Version1; + + // Set the MPEG layer + + if(!flags[18] && flags[17]) + d->layer = 3; + else if(flags[18] && !flags[17]) + d->layer = 2; + else if(flags[18] && flags[17]) + d->layer = 1; + + d->protectionEnabled = !flags[16]; + + // Set the bitrate + + static const int bitrates[2][3][16] = { + { // Version 1 + { 0, 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448, 0 }, // layer 1 + { 0, 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384, 0 }, // layer 2 + { 0, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 0 } // layer 3 + }, + { // Version 2 or 2.5 + { 0, 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256, 0 }, // layer 1 + { 0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160, 0 }, // layer 2 + { 0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160, 0 } // layer 3 + } + }; + + const int versionIndex = d->version == Version1 ? 0 : 1; + const int layerIndex = d->layer > 0 ? d->layer - 1 : 0; + + // The bitrate index is encoded as the first 4 bits of the 3rd byte, + // i.e. 1111xxxx + + int i = uchar(data[2]) >> 4; + + d->bitrate = bitrates[versionIndex][layerIndex][i]; + + // Set the sample rate + + static const int sampleRates[3][4] = { + { 44100, 48000, 32000, 0 }, // Version 1 + { 22050, 24000, 16000, 0 }, // Version 2 + { 11025, 12000, 8000, 0 } // Version 2.5 + }; + + // The sample rate index is encoded as two bits in the 3nd byte, i.e. xxxx11xx + + i = uchar(data[2]) >> 2 & 0x03; + + d->sampleRate = sampleRates[d->version][i]; + + if(d->sampleRate == 0) { + debug("MPEG::Header::parse() -- Invalid sample rate."); + return; + } + + // The channel mode is encoded as a 2 bit value at the end of the 3nd byte, + // i.e. xxxxxx11 + + d->channelMode = ChannelMode((uchar(data[3]) & 0xC0) >> 6); + + // TODO: Add mode extension for completeness + + d->isOriginal = flags[2]; + d->isCopyrighted = flags[3]; + d->isPadded = flags[9]; + + // Calculate the frame length + + if(d->layer == 1) + d->frameLength = 24000 * 2 * d->bitrate / d->sampleRate + int(d->isPadded); + else + d->frameLength = 72000 * d->bitrate / d->sampleRate + int(d->isPadded); + + // Samples per frame + + static const int samplesPerFrame[3][2] = { + // MPEG1, 2/2.5 + { 384, 384 }, // Layer I + { 1152, 1152 }, // Layer II + { 1152, 576 } // Layer III + }; + + d->samplesPerFrame = samplesPerFrame[layerIndex][versionIndex]; + + // Now that we're done parsing, set this to be a valid frame. + + d->isValid = true; +} diff --git a/libs/taglib/taglib/mpeg/mpegheader.h b/libs/taglib/taglib/mpeg/mpegheader.h new file mode 100644 index 0000000000..c774de8177 --- /dev/null +++ b/libs/taglib/taglib/mpeg/mpegheader.h @@ -0,0 +1,166 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_MPEGHEADER_H +#define TAGLIB_MPEGHEADER_H + +#include "taglib_export.h" + +namespace TagLib { + + class ByteVector; + + namespace MPEG { + + //! An implementation of MP3 frame headers + + /*! + * This is an implementation of MPEG Layer III headers. The API follows more + * or less the binary format of these headers. I've used + * <a href="http://www.mp3-tech.org/programmer/frame_header.html">this</a> + * document as a reference. + */ + + class TAGLIB_EXPORT Header + { + public: + /*! + * Parses an MPEG header based on \a data. + */ + Header(const ByteVector &data); + + /*! + * Does a shallow copy of \a h. + */ + Header(const Header &h); + + /*! + * Destroys this Header instance. + */ + virtual ~Header(); + + /*! + * Returns true if the frame is at least an appropriate size and has + * legal values. + */ + bool isValid() const; + + /*! + * The MPEG Version. + */ + enum Version { + //! MPEG Version 1 + Version1 = 0, + //! MPEG Version 2 + Version2 = 1, + //! MPEG Version 2.5 + Version2_5 = 2 + }; + + /*! + * Returns the MPEG Version of the header. + */ + Version version() const; + + /*! + * Returns the layer version. This will be between the values 1-3. + */ + int layer() const; + + /*! + * Returns true if the MPEG protection bit is enabled. + */ + bool protectionEnabled() const; + + /*! + * Returns the bitrate encoded in the header. + */ + int bitrate() const; + + /*! + * Returns the sample rate in Hz. + */ + int sampleRate() const; + + /*! + * Returns true if the frame is padded. + */ + bool isPadded() const; + + /*! + * There are a few combinations or one or two channel audio that are + * possible: + */ + enum ChannelMode { + //! Stereo + Stereo = 0, + //! Stereo + JointStereo = 1, + //! Dual Mono + DualChannel = 2, + //! Mono + SingleChannel = 3 + }; + + /*! + * Returns the channel mode for this frame. + */ + ChannelMode channelMode() const; + + /*! + * Returns true if the copyrighted bit is set. + */ + bool isCopyrighted() const; + + /*! + * Returns true if the "original" bit is set. + */ + bool isOriginal() const; + + /*! + * Returns the frame length. + */ + int frameLength() const; + + /*! + * Returns the number of frames per sample. + */ + int samplesPerFrame() const; + + /*! + * Makes a shallow copy of the header. + */ + Header &operator=(const Header &h); + + private: + void parse(const ByteVector &data); + + class HeaderPrivate; + HeaderPrivate *d; + }; + } +} + +#endif diff --git a/libs/taglib/taglib/mpeg/mpegproperties.cpp b/libs/taglib/taglib/mpeg/mpegproperties.cpp new file mode 100644 index 0000000000..518de61c71 --- /dev/null +++ b/libs/taglib/taglib/mpeg/mpegproperties.cpp @@ -0,0 +1,252 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tdebug.h> +#include <tstring.h> + +#include "mpegproperties.h" +#include "mpegfile.h" +#include "xingheader.h" + +using namespace TagLib; + +class MPEG::Properties::PropertiesPrivate +{ +public: + PropertiesPrivate(File *f, ReadStyle s) : + file(f), + xingHeader(0), + style(s), + length(0), + bitrate(0), + sampleRate(0), + channels(0), + layer(0), + version(Header::Version1), + channelMode(Header::Stereo), + protectionEnabled(false), + isCopyrighted(false), + isOriginal(false) {} + + ~PropertiesPrivate() + { + delete xingHeader; + } + + File *file; + XingHeader *xingHeader; + ReadStyle style; + int length; + int bitrate; + int sampleRate; + int channels; + int layer; + Header::Version version; + Header::ChannelMode channelMode; + bool protectionEnabled; + bool isCopyrighted; + bool isOriginal; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +MPEG::Properties::Properties(File *file, ReadStyle style) : AudioProperties(style) +{ + d = new PropertiesPrivate(file, style); + + if(file && file->isOpen()) + read(); +} + +MPEG::Properties::~Properties() +{ + delete d; +} + +int MPEG::Properties::length() const +{ + return d->length; +} + +int MPEG::Properties::bitrate() const +{ + return d->bitrate; +} + +int MPEG::Properties::sampleRate() const +{ + return d->sampleRate; +} + +int MPEG::Properties::channels() const +{ + return d->channels; +} + +const MPEG::XingHeader *MPEG::Properties::xingHeader() const +{ + return d->xingHeader; +} + +MPEG::Header::Version MPEG::Properties::version() const +{ + return d->version; +} + +int MPEG::Properties::layer() const +{ + return d->layer; +} + +bool MPEG::Properties::protectionEnabled() const +{ + return d->protectionEnabled; +} + +MPEG::Header::ChannelMode MPEG::Properties::channelMode() const +{ + return d->channelMode; +} + +bool MPEG::Properties::isCopyrighted() const +{ + return d->isCopyrighted; +} + +bool MPEG::Properties::isOriginal() const +{ + return d->isOriginal; +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +void MPEG::Properties::read() +{ + // Since we've likely just looked for the ID3v1 tag, start at the end of the + // file where we're least likely to have to have to move the disk head. + + long last = d->file->lastFrameOffset(); + + if(last < 0) { + debug("MPEG::Properties::read() -- Could not find a valid last MPEG frame in the stream."); + return; + } + + d->file->seek(last); + Header lastHeader(d->file->readBlock(4)); + + long first = d->file->firstFrameOffset(); + + if(first < 0) { + debug("MPEG::Properties::read() -- Could not find a valid first MPEG frame in the stream."); + return; + } + + if(!lastHeader.isValid()) { + + long pos = last; + + while(pos > first) { + + pos = d->file->previousFrameOffset(pos); + + if(pos < 0) + break; + + d->file->seek(pos); + Header header(d->file->readBlock(4)); + + if(header.isValid()) { + lastHeader = header; + last = pos; + break; + } + } + } + + // Now jump back to the front of the file and read what we need from there. + + d->file->seek(first); + Header firstHeader(d->file->readBlock(4)); + + if(!firstHeader.isValid() || !lastHeader.isValid()) { + debug("MPEG::Properties::read() -- Page headers were invalid."); + return; + } + + // Check for a Xing header that will help us in gathering information about a + // VBR stream. + + int xingHeaderOffset = MPEG::XingHeader::xingHeaderOffset(firstHeader.version(), + firstHeader.channelMode()); + + d->file->seek(first + xingHeaderOffset); + d->xingHeader = new XingHeader(d->file->readBlock(16)); + + // Read the length and the bitrate from the Xing header. + + if(d->xingHeader->isValid() && + firstHeader.sampleRate() > 0 && + d->xingHeader->totalFrames() > 0) + { + double timePerFrame = + double(firstHeader.samplesPerFrame()) / firstHeader.sampleRate(); + + d->length = int(timePerFrame * d->xingHeader->totalFrames()); + d->bitrate = d->length > 0 ? d->xingHeader->totalSize() * 8 / d->length / 1000 : 0; + } + else { + // Since there was no valid Xing header found, we hope that we're in a constant + // bitrate file. + + delete d->xingHeader; + d->xingHeader = 0; + + // TODO: Make this more robust with audio property detection for VBR without a + // Xing header. + + if(firstHeader.frameLength() > 0 && firstHeader.bitrate() > 0) { + int frames = (last - first) / firstHeader.frameLength() + 1; + + d->length = int(float(firstHeader.frameLength() * frames) / + float(firstHeader.bitrate() * 125) + 0.5); + d->bitrate = firstHeader.bitrate(); + } + } + + + d->sampleRate = firstHeader.sampleRate(); + d->channels = firstHeader.channelMode() == Header::SingleChannel ? 1 : 2; + d->version = firstHeader.version(); + d->layer = firstHeader.layer(); + d->protectionEnabled = firstHeader.protectionEnabled(); + d->channelMode = firstHeader.channelMode(); + d->isCopyrighted = firstHeader.isCopyrighted(); + d->isOriginal = firstHeader.isOriginal(); +} diff --git a/libs/taglib/taglib/mpeg/mpegproperties.h b/libs/taglib/taglib/mpeg/mpegproperties.h new file mode 100644 index 0000000000..17452e189d --- /dev/null +++ b/libs/taglib/taglib/mpeg/mpegproperties.h @@ -0,0 +1,118 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_MPEGPROPERTIES_H +#define TAGLIB_MPEGPROPERTIES_H + +#include "taglib_export.h" +#include "audioproperties.h" + +#include "mpegheader.h" + +namespace TagLib { + + namespace MPEG { + + class File; + class XingHeader; + + //! An implementation of audio property reading for MP3 + + /*! + * This reads the data from an MPEG Layer III stream found in the + * AudioProperties API. + */ + + class TAGLIB_EXPORT Properties : public AudioProperties + { + public: + /*! + * Create an instance of MPEG::Properties with the data read from the + * MPEG::File \a file. + */ + Properties(File *file, ReadStyle style = Average); + + /*! + * Destroys this MPEG Properties instance. + */ + virtual ~Properties(); + + // Reimplementations. + + virtual int length() const; + virtual int bitrate() const; + virtual int sampleRate() const; + virtual int channels() const; + + /*! + * Returns a pointer to the XingHeader if one exists or null if no + * XingHeader was found. + */ + + const XingHeader *xingHeader() const; + + /*! + * Returns the MPEG Version of the file. + */ + Header::Version version() const; + + /*! + * Returns the layer version. This will be between the values 1-3. + */ + int layer() const; + + /*! + * Returns true if the MPEG protection bit is enabled. + */ + bool protectionEnabled() const; + + /*! + * Returns the channel mode for this frame. + */ + Header::ChannelMode channelMode() const; + + /*! + * Returns true if the copyrighted bit is set. + */ + bool isCopyrighted() const; + + /*! + * Returns true if the "original" bit is set. + */ + bool isOriginal() const; + + private: + Properties(const Properties &); + Properties &operator=(const Properties &); + + void read(); + + class PropertiesPrivate; + PropertiesPrivate *d; + }; + } +} + +#endif diff --git a/libs/taglib/taglib/mpeg/xingheader.cpp b/libs/taglib/taglib/mpeg/xingheader.cpp new file mode 100644 index 0000000000..626452eaa2 --- /dev/null +++ b/libs/taglib/taglib/mpeg/xingheader.cpp @@ -0,0 +1,115 @@ +/*************************************************************************** + copyright : (C) 2003 by Ismael Orenstein + email : orenstein@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tbytevector.h> +#include <tstring.h> +#include <tdebug.h> + +#include "xingheader.h" + +using namespace TagLib; + +class MPEG::XingHeader::XingHeaderPrivate +{ +public: + XingHeaderPrivate() : + frames(0), + size(0), + valid(false) + {} + + uint frames; + uint size; + bool valid; +}; + +MPEG::XingHeader::XingHeader(const ByteVector &data) +{ + d = new XingHeaderPrivate; + parse(data); +} + +MPEG::XingHeader::~XingHeader() +{ + delete d; +} + +bool MPEG::XingHeader::isValid() const +{ + return d->valid; +} + +TagLib::uint MPEG::XingHeader::totalFrames() const +{ + return d->frames; +} + +TagLib::uint MPEG::XingHeader::totalSize() const +{ + return d->size; +} + +int MPEG::XingHeader::xingHeaderOffset(TagLib::MPEG::Header::Version v, + TagLib::MPEG::Header::ChannelMode c) +{ + if(v == MPEG::Header::Version1) { + if(c == MPEG::Header::SingleChannel) + return 0x15; + else + return 0x24; + } + else { + if(c == MPEG::Header::SingleChannel) + return 0x0D; + else + return 0x15; + } +} + +void MPEG::XingHeader::parse(const ByteVector &data) +{ + // Check to see if a valid Xing header is available. + + if(!data.startsWith("Xing") && !data.startsWith("Info")) + return; + + // If the XingHeader doesn't contain the number of frames and the total stream + // info it's invalid. + + if(!(data[7] & 0x01)) { + debug("MPEG::XingHeader::parse() -- Xing header doesn't contain the total number of frames."); + return; + } + + if(!(data[7] & 0x02)) { + debug("MPEG::XingHeader::parse() -- Xing header doesn't contain the total stream size."); + return; + } + + d->frames = data.mid(8, 4).toUInt(); + d->size = data.mid(12, 4).toUInt(); + + d->valid = true; +} diff --git a/libs/taglib/taglib/mpeg/xingheader.h b/libs/taglib/taglib/mpeg/xingheader.h new file mode 100644 index 0000000000..1ffc03ddb0 --- /dev/null +++ b/libs/taglib/taglib/mpeg/xingheader.h @@ -0,0 +1,100 @@ +/*************************************************************************** + copyright : (C) 2003 by Ismael Orenstein + email : orenstein@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_XINGHEADER_H +#define TAGLIB_XINGHEADER_H + +#include "mpegheader.h" +#include "taglib_export.h" + +namespace TagLib { + + class ByteVector; + + namespace MPEG { + + //! An implementation of the Xing VBR headers + + /*! + * This is a minimalistic implementation of the Xing VBR headers. Xing + * headers are often added to VBR (variable bit rate) MP3 streams to make it + * easy to compute the length and quality of a VBR stream. Our implementation + * is only concerned with the total size of the stream (so that we can + * calculate the total playing time and the average bitrate). It uses + * <a href="http://home.pcisys.net/~melanson/codecs/mp3extensions.txt">this text</a> + * and the XMMS sources as references. + */ + + class TAGLIB_EXPORT XingHeader + { + public: + /*! + * Parses a Xing header based on \a data. The data must be at least 16 + * bytes long (anything longer than this is discarded). + */ + XingHeader(const ByteVector &data); + + /*! + * Destroy this XingHeader instance. + */ + virtual ~XingHeader(); + + /*! + * Returns true if the data was parsed properly and if there is a valid + * Xing header present. + */ + bool isValid() const; + + /*! + * Returns the total number of frames. + */ + uint totalFrames() const; + + /*! + * Returns the total size of stream in bytes. + */ + uint totalSize() const; + + /*! + * Returns the offset for the start of this Xing header, given the + * version and channels of the frame + */ + // BIC: rename to offset() + static int xingHeaderOffset(TagLib::MPEG::Header::Version v, + TagLib::MPEG::Header::ChannelMode c); + + private: + XingHeader(const XingHeader &); + XingHeader &operator=(const XingHeader &); + + void parse(const ByteVector &data); + + class XingHeaderPrivate; + XingHeaderPrivate *d; + }; + } +} + +#endif diff --git a/libs/taglib/taglib/ogg/CMakeLists.txt b/libs/taglib/taglib/ogg/CMakeLists.txt new file mode 100644 index 0000000000..d506a3cdf4 --- /dev/null +++ b/libs/taglib/taglib/ogg/CMakeLists.txt @@ -0,0 +1,6 @@ +ADD_SUBDIRECTORY( vorbis ) +ADD_SUBDIRECTORY( speex ) +ADD_SUBDIRECTORY( flac ) + +INSTALL( FILES oggfile.h oggpage.h oggpageheader.h xiphcomment.h DESTINATION ${INCLUDE_INSTALL_DIR}/taglib ) + diff --git a/libs/taglib/taglib/ogg/Makefile.am b/libs/taglib/taglib/ogg/Makefile.am new file mode 100644 index 0000000000..d398c86642 --- /dev/null +++ b/libs/taglib/taglib/ogg/Makefile.am @@ -0,0 +1,21 @@ +SUBDIRS = vorbis flac speex + +INCLUDES = -I$(top_srcdir)/taglib -I$(top_srcdir)/taglib/toolkit $(all_includes) + +noinst_LTLIBRARIES = libogg.la + +libogg_la_SOURCES = \ + oggfile.cpp \ + oggpage.cpp \ + oggpageheader.cpp \ + xiphcomment.cpp + +taglib_include_HEADERS = \ + oggfile.h \ + oggpage.h \ + oggpageheader.h \ + xiphcomment.h + +taglib_includedir = $(includedir)/taglib + +libogg_la_LIBADD = ./vorbis/libvorbis.la ./flac/liboggflac.la ./speex/libspeex.la diff --git a/libs/taglib/taglib/ogg/Makefile.in b/libs/taglib/taglib/ogg/Makefile.in new file mode 100644 index 0000000000..2488646c5c --- /dev/null +++ b/libs/taglib/taglib/ogg/Makefile.in @@ -0,0 +1,757 @@ +# Makefile.in generated by automake 1.10 from Makefile.am. +# KDE tags expanded automatically by am_edit - $Revision: 483858 $ +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +# This Makefile.in is free software; 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do \ + case '$(am__configure_deps)' in \ + *$$dep*) \ + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \ + && exit 0; \ + exit 1;; \ + esac; \ + done; \ + echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu taglib/ogg/flac/Makefile'; \ + cd $(top_srcdir) && \ + $(AUTOMAKE) --gnu taglib/ogg/flac/Makefile + cd $(top_srcdir) && perl admin/am_edit taglib/ogg/flac/Makefile.in + + +#>+ 21 +clean-bcheck: + rm -f *.bchecktest.cc *.bchecktest.cc.class a.out + +bcheck: bcheck-am + +bcheck-am: + @for i in $(taglib_include_HEADERS); do \ + if test $(srcdir)/$$i -nt $$i.bchecktest.cc; then \ + echo "int main() {return 0;}" > $$i.bchecktest.cc ; \ + echo "#include \"$$i\"" >> $$i.bchecktest.cc ; \ + echo "$$i"; \ + if ! $(CXXCOMPILE) --dump-class-hierarchy -c $$i.bchecktest.cc; then \ + rm -f $$i.bchecktest.cc; exit 1; \ + fi ; \ + echo "" >> $$i.bchecktest.cc.class; \ + perl $(top_srcdir)/admin/bcheck.pl $$i.bchecktest.cc.class || { rm -f $$i.bchecktest.cc; exit 1; }; \ + rm -f a.out; \ + fi ; \ + done + + +#>+ 3 +final: + $(MAKE) all-am + +#>+ 3 +final-install: + $(MAKE) install-am + +#>+ 3 +no-final: + $(MAKE) all-am + +#>+ 3 +no-final-install: + $(MAKE) install-am + +#>+ 3 +kde-rpo-clean: + -rm -f *.rpo + +#>+ 3 +nmcheck: +nmcheck-am: nmcheck diff --git a/libs/taglib/taglib/ogg/flac/oggflacfile.cpp b/libs/taglib/taglib/ogg/flac/oggflacfile.cpp new file mode 100644 index 0000000000..3070f3ab14 --- /dev/null +++ b/libs/taglib/taglib/ogg/flac/oggflacfile.cpp @@ -0,0 +1,269 @@ +/*************************************************************************** + copyright : (C) 2004-2005 by Allan Sandfeld Jensen + email : kde@carewolf.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tbytevector.h> +#include <tstring.h> +#include <tdebug.h> + +#include <xiphcomment.h> +#include "oggflacfile.h" + +using namespace TagLib; +using TagLib::FLAC::Properties; + +class Ogg::FLAC::File::FilePrivate +{ +public: + FilePrivate() : + comment(0), + properties(0), + streamStart(0), + streamLength(0), + scanned(false), + hasXiphComment(false), + commentPacket(0) {} + + ~FilePrivate() + { + delete comment; + delete properties; + } + + Ogg::XiphComment *comment; + + Properties *properties; + ByteVector streamInfoData; + ByteVector xiphCommentData; + long streamStart; + long streamLength; + bool scanned; + + bool hasXiphComment; + int commentPacket; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +Ogg::FLAC::File::File(FileName file, bool readProperties, + Properties::ReadStyle propertiesStyle) : Ogg::File(file) +{ + d = new FilePrivate; + read(readProperties, propertiesStyle); +} + +Ogg::FLAC::File::~File() +{ + delete d; +} + +Ogg::XiphComment *Ogg::FLAC::File::tag() const +{ + return d->comment; +} + +Properties *Ogg::FLAC::File::audioProperties() const +{ + return d->properties; +} + + +bool Ogg::FLAC::File::save() +{ + d->xiphCommentData = d->comment->render(); + + // Create FLAC metadata-block: + + // Put the size in the first 32 bit (I assume no more than 24 bit are used) + + ByteVector v = ByteVector::fromUInt(d->xiphCommentData.size()); + + // Set the type of the metadata-block to be a Xiph / Vorbis comment + + v[0] = 4; + + // Append the comment-data after the 32 bit header + + v.append(d->xiphCommentData); + + // Save the packet at the old spot + // FIXME: Use padding if size is increasing + + setPacket(d->commentPacket, v); + + return Ogg::File::save(); +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +void Ogg::FLAC::File::read(bool readProperties, Properties::ReadStyle propertiesStyle) +{ + // Sanity: Check if we really have an Ogg/FLAC file + +/* + ByteVector oggHeader = packet(0); + + if (oggHeader.mid(28,4) != "fLaC") { + debug("Ogg::FLAC::File::read() -- Not an Ogg/FLAC file"); + setValid(false); + return; + }*/ + + // Look for FLAC metadata, including vorbis comments + + scan(); + + if (!d->scanned) { + setValid(false); + return; + } + + + if(d->hasXiphComment) + d->comment = new Ogg::XiphComment(xiphCommentData()); + else + d->comment = new Ogg::XiphComment; + + + if(readProperties) + d->properties = new Properties(streamInfoData(), streamLength(), propertiesStyle); +} + +ByteVector Ogg::FLAC::File::streamInfoData() +{ + scan(); + return d->streamInfoData; +} + +ByteVector Ogg::FLAC::File::xiphCommentData() +{ + scan(); + return d->xiphCommentData; +} + +long Ogg::FLAC::File::streamLength() +{ + scan(); + return d->streamLength; +} + +void Ogg::FLAC::File::scan() +{ + // Scan the metadata pages + + if(d->scanned) + return; + + if(!isValid()) + return; + + int ipacket = 0; + long overhead = 0; + + ByteVector metadataHeader = packet(ipacket); + if(metadataHeader.isNull()) + return; + + ByteVector header; + + if (!metadataHeader.startsWith("fLaC")) { + // FLAC 1.1.2+ + if (metadataHeader.mid(1,4) != "FLAC") return; + + if (metadataHeader[5] != 1) return; // not version 1 + + metadataHeader = metadataHeader.mid(13); + } + else { + // FLAC 1.1.0 & 1.1.1 + metadataHeader = packet(++ipacket); + + if(metadataHeader.isNull()) + return; + + } + + header = metadataHeader.mid(0,4); + // Header format (from spec): + // <1> Last-metadata-block flag + // <7> BLOCK_TYPE + // 0 : STREAMINFO + // 1 : PADDING + // .. + // 4 : VORBIS_COMMENT + // .. + // <24> Length of metadata to follow + + char blockType = header[0] & 0x7f; + bool lastBlock = (header[0] & 0x80) != 0; + uint length = header.mid(1, 3).toUInt(); + overhead += length; + + // Sanity: First block should be the stream_info metadata + + if(blockType != 0) { + debug("Ogg::FLAC::File::scan() -- Invalid Ogg/FLAC stream"); + return; + } + + d->streamInfoData = metadataHeader.mid(4,length); + + // Search through the remaining metadata + + while(!lastBlock) { + metadataHeader = packet(++ipacket); + + if(metadataHeader.isNull()) + return; + + header = metadataHeader.mid(0, 4); + blockType = header[0] & 0x7f; + lastBlock = (header[0] & 0x80) != 0; + length = header.mid(1, 3).toUInt(); + overhead += length; + + if(blockType == 1) { + // debug("Ogg::FLAC::File::scan() -- Padding found"); + } + else if(blockType == 4) { + // debug("Ogg::FLAC::File::scan() -- Vorbis-comments found"); + d->xiphCommentData = metadataHeader.mid(4, length); + d->hasXiphComment = true; + d->commentPacket = ipacket; + } + else if(blockType > 5) + debug("Ogg::FLAC::File::scan() -- Unknown metadata block"); + + } + + // End of metadata, now comes the datastream + d->streamStart = overhead; + d->streamLength = File::length() - d->streamStart; + + d->scanned = true; +} diff --git a/libs/taglib/taglib/ogg/flac/oggflacfile.h b/libs/taglib/taglib/ogg/flac/oggflacfile.h new file mode 100644 index 0000000000..ab1e79deac --- /dev/null +++ b/libs/taglib/taglib/ogg/flac/oggflacfile.h @@ -0,0 +1,118 @@ +/*************************************************************************** + copyright : (C) 2004 by Allan Sandfeld Jensen + email : kde@carewolf.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_OGGFLACFILE_H +#define TAGLIB_OGGFLACFILE_H + +#include "taglib_export.h" +#include "oggfile.h" +#include "xiphcomment.h" + +#include "flacproperties.h" + +namespace TagLib { + + class Tag; + + namespace Ogg { + + //! An implementation of Ogg FLAC metadata + + /*! + * This is implementation of FLAC metadata for Ogg FLAC files. For "pure" + * FLAC files look under the FLAC hiearchy. + * + * Unlike "pure" FLAC-files, Ogg FLAC only supports Xiph-comments, + * while the audio-properties are the same. + */ + namespace FLAC { + + using TagLib::FLAC::Properties; + + //! An implementation of TagLib::File with Ogg/FLAC specific methods + + /*! + * This implements and provides an interface for Ogg/FLAC files to the + * TagLib::Tag and TagLib::AudioProperties interfaces by way of implementing + * the abstract TagLib::File API as well as providing some additional + * information specific to Ogg FLAC files. + */ + + class TAGLIB_EXPORT File : public Ogg::File + { + public: + /*! + * Contructs an Ogg/FLAC file from \a file. If \a readProperties is true + * the file's audio properties will also be read using \a propertiesStyle. + * If false, \a propertiesStyle is ignored. + */ + File(FileName file, bool readProperties = true, + Properties::ReadStyle propertiesStyle = Properties::Average); + + /*! + * Destroys this instance of the File. + */ + virtual ~File(); + + /*! + * Returns the Tag for this file. This will always be a XiphComment. + */ + virtual XiphComment *tag() const; + + /*! + * Returns the FLAC::Properties for this file. If no audio properties + * were read then this will return a null pointer. + */ + virtual Properties *audioProperties() const; + + /*! + * Save the file. This will primarily save and update the XiphComment. + * Returns true if the save is successful. + */ + virtual bool save(); + + /*! + * Returns the length of the audio-stream, used by FLAC::Properties for + * calculating the bitrate. + */ + long streamLength(); + + private: + File(const File &); + File &operator=(const File &); + + void read(bool readProperties, Properties::ReadStyle propertiesStyle); + void scan(); + ByteVector streamInfoData(); + ByteVector xiphCommentData(); + + class FilePrivate; + FilePrivate *d; + }; + } // namespace FLAC + } // namespace Ogg +} // namespace TagLib + +#endif diff --git a/libs/taglib/taglib/ogg/oggfile.cpp b/libs/taglib/taglib/ogg/oggfile.cpp new file mode 100644 index 0000000000..ce5ac79376 --- /dev/null +++ b/libs/taglib/taglib/ogg/oggfile.cpp @@ -0,0 +1,336 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tbytevectorlist.h> +#include <tmap.h> +#include <tstring.h> +#include <tdebug.h> + +#include "oggfile.h" +#include "oggpage.h" +#include "oggpageheader.h" + +using namespace TagLib; + +class Ogg::File::FilePrivate +{ +public: + FilePrivate() : + streamSerialNumber(0), + firstPageHeader(0), + lastPageHeader(0), + currentPage(0), + currentPacketPage(0) + { + pages.setAutoDelete(true); + } + + ~FilePrivate() + { + delete firstPageHeader; + delete lastPageHeader; + } + + uint streamSerialNumber; + List<Page *> pages; + PageHeader *firstPageHeader; + PageHeader *lastPageHeader; + std::vector< List<int> > packetToPageMap; + Map<int, ByteVector> dirtyPackets; + List<int> dirtyPages; + + //! The current page for the reader -- used by nextPage() + Page *currentPage; + //! The current page for the packet parser -- used by packet() + Page *currentPacketPage; + //! The packets for the currentPacketPage -- used by packet() + ByteVectorList currentPackets; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +Ogg::File::~File() +{ + delete d; +} + +ByteVector Ogg::File::packet(uint i) +{ + // Check to see if we're called setPacket() for this packet since the last + // save: + + if(d->dirtyPackets.contains(i)) + return d->dirtyPackets[i]; + + // If we haven't indexed the page where the packet we're interested in starts, + // begin reading pages until we have. + + while(d->packetToPageMap.size() <= i) { + if(!nextPage()) { + debug("Ogg::File::packet() -- Could not find the requested packet."); + return ByteVector::null; + } + } + + // Start reading at the first page that contains part (or all) of this packet. + // If the last read stopped at the packet that we're interested in, don't + // reread its packet list. (This should make sequential packet reads fast.) + + uint pageIndex = d->packetToPageMap[i].front(); + if(d->currentPacketPage != d->pages[pageIndex]) { + d->currentPacketPage = d->pages[pageIndex]; + d->currentPackets = d->currentPacketPage->packets(); + } + + // If the packet is completely contained in the first page that it's in, then + // just return it now. + + if(d->currentPacketPage->containsPacket(i) & Page::CompletePacket) + return d->currentPackets[i - d->currentPacketPage->firstPacketIndex()]; + + // If the packet is *not* completely contained in the first page that it's a + // part of then that packet trails off the end of the page. Continue appending + // the pages' packet data until we hit a page that either does not end with the + // packet that we're fetching or where the last packet is complete. + + ByteVector packet = d->currentPackets.back(); + while(d->currentPacketPage->containsPacket(i) & Page::EndsWithPacket && + !d->currentPacketPage->header()->lastPacketCompleted()) + { + pageIndex++; + if(pageIndex == d->pages.size()) { + if(!nextPage()) { + debug("Ogg::File::packet() -- Could not find the requested packet."); + return ByteVector::null; + } + } + d->currentPacketPage = d->pages[pageIndex]; + d->currentPackets = d->currentPacketPage->packets(); + packet.append(d->currentPackets.front()); + } + + return packet; +} + +void Ogg::File::setPacket(uint i, const ByteVector &p) +{ + while(d->packetToPageMap.size() <= i) { + if(!nextPage()) { + debug("Ogg::File::setPacket() -- Could not set the requested packet."); + return; + } + } + + List<int>::ConstIterator it = d->packetToPageMap[i].begin(); + for(; it != d->packetToPageMap[i].end(); ++it) + d->dirtyPages.sortedInsert(*it, true); + + d->dirtyPackets.insert(i, p); +} + +const Ogg::PageHeader *Ogg::File::firstPageHeader() +{ + if(d->firstPageHeader) + return d->firstPageHeader->isValid() ? d->firstPageHeader : 0; + + long firstPageHeaderOffset = find("OggS"); + + if(firstPageHeaderOffset < 0) + return 0; + + d->firstPageHeader = new PageHeader(this, firstPageHeaderOffset); + return d->firstPageHeader->isValid() ? d->firstPageHeader : 0; +} + +const Ogg::PageHeader *Ogg::File::lastPageHeader() +{ + if(d->lastPageHeader) + return d->lastPageHeader->isValid() ? d->lastPageHeader : 0; + + long lastPageHeaderOffset = rfind("OggS"); + + if(lastPageHeaderOffset < 0) + return 0; + + d->lastPageHeader = new PageHeader(this, lastPageHeaderOffset); + return d->lastPageHeader->isValid() ? d->lastPageHeader : 0; +} + +bool Ogg::File::save() +{ + if(readOnly()) { + debug("Ogg::File::save() - Cannot save to a read only file."); + return false; + } + + List<int> pageGroup; + + for(List<int>::ConstIterator it = d->dirtyPages.begin(); it != d->dirtyPages.end(); ++it) { + if(!pageGroup.isEmpty() && pageGroup.back() + 1 != *it) { + writePageGroup(pageGroup); + pageGroup.clear(); + } + else + pageGroup.append(*it); + } + writePageGroup(pageGroup); + d->dirtyPages.clear(); + d->dirtyPackets.clear(); + + return true; +} + +//////////////////////////////////////////////////////////////////////////////// +// protected members +//////////////////////////////////////////////////////////////////////////////// + +Ogg::File::File(FileName file) : TagLib::File(file) +{ + d = new FilePrivate; +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +bool Ogg::File::nextPage() +{ + long nextPageOffset; + int currentPacket; + + if(d->pages.isEmpty()) { + currentPacket = 0; + nextPageOffset = find("OggS"); + if(nextPageOffset < 0) + return false; + } + else { + if(d->currentPage->header()->lastPageOfStream()) + return false; + + if(d->currentPage->header()->lastPacketCompleted()) + currentPacket = d->currentPage->firstPacketIndex() + d->currentPage->packetCount(); + else + currentPacket = d->currentPage->firstPacketIndex() + d->currentPage->packetCount() - 1; + + nextPageOffset = d->currentPage->fileOffset() + d->currentPage->size(); + } + + // Read the next page and add it to the page list. + + d->currentPage = new Page(this, nextPageOffset); + + if(!d->currentPage->header()->isValid()) { + delete d->currentPage; + d->currentPage = 0; + return false; + } + + d->currentPage->setFirstPacketIndex(currentPacket); + + if(d->pages.isEmpty()) + d->streamSerialNumber = d->currentPage->header()->streamSerialNumber(); + + d->pages.append(d->currentPage); + + // Loop through the packets in the page that we just read appending the + // current page number to the packet to page map for each packet. + + for(uint i = 0; i < d->currentPage->packetCount(); i++) { + uint currentPacket = d->currentPage->firstPacketIndex() + i; + if(d->packetToPageMap.size() <= currentPacket) + d->packetToPageMap.push_back(List<int>()); + d->packetToPageMap[currentPacket].append(d->pages.size() - 1); + } + + return true; +} + +void Ogg::File::writePageGroup(const List<int> &pageGroup) +{ + if(pageGroup.isEmpty()) + return; + + ByteVectorList packets; + + // If the first page of the group isn't dirty, append its partial content here. + + if(!d->dirtyPages.contains(d->pages[pageGroup.front()]->firstPacketIndex())) + packets.append(d->pages[pageGroup.front()]->packets().front()); + + int previousPacket = -1; + int originalSize = 0; + + for(List<int>::ConstIterator it = pageGroup.begin(); it != pageGroup.end(); ++it) { + uint firstPacket = d->pages[*it]->firstPacketIndex(); + uint lastPacket = firstPacket + d->pages[*it]->packetCount() - 1; + + List<int>::ConstIterator last = --pageGroup.end(); + + for(uint i = firstPacket; i <= lastPacket; i++) { + + if(it == last && i == lastPacket && !d->dirtyPages.contains(i)) + packets.append(d->pages[*it]->packets().back()); + else if(int(i) != previousPacket) { + previousPacket = i; + packets.append(packet(i)); + } + } + originalSize += d->pages[*it]->size(); + } + + const bool continued = d->pages[pageGroup.front()]->header()->firstPacketContinued(); + const bool completed = d->pages[pageGroup.back()]->header()->lastPacketCompleted(); + + // TODO: This pagination method isn't accurate for what's being done here. + // This should account for real possibilities like non-aligned packets and such. + + List<Page *> pages = Page::paginate(packets, Page::SinglePagePerGroup, + d->streamSerialNumber, pageGroup.front(), + continued, completed); + + ByteVector data; + for(List<Page *>::ConstIterator it = pages.begin(); it != pages.end(); ++it) + data.append((*it)->render()); + + // The insertion algorithms could also be improve to queue and prioritize data + // on the way out. Currently it requires rewriting the file for every page + // group rather than just once; however, for tagging applications there will + // generally only be one page group, so it's not worth the time for the + // optimization at the moment. + + insert(data, d->pages[pageGroup.front()]->fileOffset(), originalSize); + + // Update the page index to include the pages we just created and to delete the + // old pages. + + for(List<Page *>::ConstIterator it = pages.begin(); it != pages.end(); ++it) { + const int index = (*it)->header()->pageSequenceNumber(); + delete d->pages[index]; + d->pages[index] = *it; + } +} diff --git a/libs/taglib/taglib/ogg/oggfile.h b/libs/taglib/taglib/ogg/oggfile.h new file mode 100644 index 0000000000..e5535f6f3d --- /dev/null +++ b/libs/taglib/taglib/ogg/oggfile.h @@ -0,0 +1,112 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include "taglib_export.h" +#include "tfile.h" +#include "tbytevectorlist.h" + +#ifndef TAGLIB_OGGFILE_H +#define TAGLIB_OGGFILE_H + +namespace TagLib { + + //! A namespace for the classes used by Ogg-based metadata files + + namespace Ogg { + + class PageHeader; + + //! An implementation of TagLib::File with some helpers for Ogg based formats + + /*! + * This is an implementation of Ogg file page and packet rendering and is of + * use to Ogg based formats. While the API is small this handles the + * non-trivial details of breaking up an Ogg stream into packets and makes + * these available (via subclassing) to the codec meta data implementations. + */ + + class TAGLIB_EXPORT File : public TagLib::File + { + public: + virtual ~File(); + + /*! + * Returns the packet contents for the i-th packet (starting from zero) + * in the Ogg bitstream. + * + * \warning The requires reading at least the packet header for every page + * up to the requested page. + */ + ByteVector packet(uint i); + + /*! + * Sets the packet with index \a i to the value \a p. + */ + void setPacket(uint i, const ByteVector &p); + + /*! + * Returns a pointer to the PageHeader for the first page in the stream or + * null if the page could not be found. + */ + const PageHeader *firstPageHeader(); + + /*! + * Returns a pointer to the PageHeader for the last page in the stream or + * null if the page could not be found. + */ + const PageHeader *lastPageHeader(); + + virtual bool save(); + + protected: + /*! + * Contructs an Ogg file from \a file. If \a readProperties is true the + * file's audio properties will also be read using \a propertiesStyle. If + * false, \a propertiesStyle is ignored. + * + * \note This constructor is protected since Ogg::File shouldn't be + * instantiated directly but rather should be used through the codec + * specific subclasses. + */ + File(FileName file); + + private: + File(const File &); + File &operator=(const File &); + + /*! + * Reads the next page and updates the internal "current page" pointer. + */ + bool nextPage(); + void writePageGroup(const List<int> &group); + + class FilePrivate; + FilePrivate *d; + }; + + } +} + +#endif diff --git a/libs/taglib/taglib/ogg/oggpage.cpp b/libs/taglib/taglib/ogg/oggpage.cpp new file mode 100644 index 0000000000..0b82828467 --- /dev/null +++ b/libs/taglib/taglib/ogg/oggpage.cpp @@ -0,0 +1,256 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tstring.h> +#include <tdebug.h> + +#include "oggpage.h" +#include "oggpageheader.h" +#include "oggfile.h" + +using namespace TagLib; + +class Ogg::Page::PagePrivate +{ +public: + PagePrivate(File *f = 0, long pageOffset = -1) : + file(f), + fileOffset(pageOffset), + packetOffset(0), + header(f, pageOffset), + firstPacketIndex(-1) + { + if(file) { + packetOffset = fileOffset + header.size(); + packetSizes = header.packetSizes(); + dataSize = header.dataSize(); + } + } + + File *file; + long fileOffset; + long packetOffset; + int dataSize; + List<int> packetSizes; + PageHeader header; + int firstPacketIndex; + ByteVectorList packets; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +Ogg::Page::Page(Ogg::File *file, long pageOffset) +{ + d = new PagePrivate(file, pageOffset); +} + +Ogg::Page::~Page() +{ + delete d; +} + +long Ogg::Page::fileOffset() const +{ + return d->fileOffset; +} + +const Ogg::PageHeader *Ogg::Page::header() const +{ + return &d->header; +} + +int Ogg::Page::firstPacketIndex() const +{ + return d->firstPacketIndex; +} + +void Ogg::Page::setFirstPacketIndex(int index) +{ + d->firstPacketIndex = index; +} + +Ogg::Page::ContainsPacketFlags Ogg::Page::containsPacket(int index) const +{ + int lastPacketIndex = d->firstPacketIndex + packetCount() - 1; + if(index < d->firstPacketIndex || index > lastPacketIndex) + return DoesNotContainPacket; + + ContainsPacketFlags flags = DoesNotContainPacket; + + if(index == d->firstPacketIndex) + flags = ContainsPacketFlags(flags | BeginsWithPacket); + + if(index == lastPacketIndex) + flags = ContainsPacketFlags(flags | EndsWithPacket); + + // If there's only one page and it's complete: + + if(packetCount() == 1 && + !d->header.firstPacketContinued() && + d->header.lastPacketCompleted()) + { + flags = ContainsPacketFlags(flags | CompletePacket); + } + + // Or if the page is (a) the first page and it's complete or (b) the last page + // and it's complete or (c) a page in the middle. + + else if((flags & BeginsWithPacket && !d->header.firstPacketContinued()) || + (flags & EndsWithPacket && d->header.lastPacketCompleted()) || + (!(flags & BeginsWithPacket) && !(flags & EndsWithPacket))) + { + flags = ContainsPacketFlags(flags | CompletePacket); + } + + return flags; +} + +TagLib::uint Ogg::Page::packetCount() const +{ + return d->header.packetSizes().size(); +} + +ByteVectorList Ogg::Page::packets() const +{ + if(!d->packets.isEmpty()) + return d->packets; + + ByteVectorList l; + + if(d->file && d->header.isValid()) { + + d->file->seek(d->packetOffset); + + List<int> packetSizes = d->header.packetSizes(); + + List<int>::ConstIterator it = packetSizes.begin(); + for(; it != packetSizes.end(); ++it) + l.append(d->file->readBlock(*it)); + } + else + debug("Ogg::Page::packets() -- attempting to read packets from an invalid page."); + + return l; +} + +int Ogg::Page::size() const +{ + return d->header.size() + d->header.dataSize(); +} + +ByteVector Ogg::Page::render() const +{ + ByteVector data; + + data.append(d->header.render()); + + if(d->packets.isEmpty()) { + if(d->file) { + d->file->seek(d->packetOffset); + data.append(d->file->readBlock(d->dataSize)); + } + else + debug("Ogg::Page::render() -- this page is empty!"); + } + else { + ByteVectorList::ConstIterator it = d->packets.begin(); + for(; it != d->packets.end(); ++it) + data.append(*it); + } + + // Compute and set the checksum for the Ogg page. The checksum is taken over + // the entire page with the 4 bytes reserved for the checksum zeroed and then + // inserted in bytes 22-25 of the page header. + + ByteVector checksum = ByteVector::fromUInt(data.checksum(), false); + for(int i = 0; i < 4; i++) + data[i + 22] = checksum[i]; + + return data; +} + +List<Ogg::Page *> Ogg::Page::paginate(const ByteVectorList &packets, + PaginationStrategy strategy, + uint streamSerialNumber, + int firstPage, + bool firstPacketContinued, + bool lastPacketCompleted, + bool containsLastPacket) +{ + List<Page *> l; + + int totalSize = 0; + + for(ByteVectorList::ConstIterator it = packets.begin(); it != packets.end(); ++it) + totalSize += (*it).size(); + + if(strategy == Repaginate || totalSize + packets.size() > 255 * 256) { + debug("Ogg::Page::paginate() -- Sorry! Repagination is not yet implemented."); + return l; + } + + // TODO: Handle creation of multiple pages here with appropriate pagination. + + Page *p = new Page(packets, streamSerialNumber, firstPage, firstPacketContinued, + lastPacketCompleted, containsLastPacket); + l.append(p); + + return l; +} + +//////////////////////////////////////////////////////////////////////////////// +// protected members +//////////////////////////////////////////////////////////////////////////////// + +Ogg::Page::Page(const ByteVectorList &packets, + uint streamSerialNumber, + int pageNumber, + bool firstPacketContinued, + bool lastPacketCompleted, + bool containsLastPacket) +{ + d = new PagePrivate; + + ByteVector data; + List<int> packetSizes; + + d->header.setFirstPageOfStream(pageNumber == 0 && !firstPacketContinued); + d->header.setLastPageOfStream(containsLastPacket); + d->header.setFirstPacketContinued(firstPacketContinued); + d->header.setLastPacketCompleted(lastPacketCompleted); + d->header.setStreamSerialNumber(streamSerialNumber); + d->header.setPageSequenceNumber(pageNumber); + + // Build a page from the list of packets. + + for(ByteVectorList::ConstIterator it = packets.begin(); it != packets.end(); ++it) { + packetSizes.append((*it).size()); + data.append(*it); + } + d->packets = packets; + d->header.setPacketSizes(packetSizes); +} diff --git a/libs/taglib/taglib/ogg/oggpage.h b/libs/taglib/taglib/ogg/oggpage.h new file mode 100644 index 0000000000..fbe0ebc6d7 --- /dev/null +++ b/libs/taglib/taglib/ogg/oggpage.h @@ -0,0 +1,203 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_OGGPAGE_H +#define TAGLIB_OGGPAGE_H + +#include "taglib_export.h" +#include "tbytevectorlist.h" + +namespace TagLib { + + namespace Ogg { + + class File; + class PageHeader; + + //! An implementation of Ogg pages + + /*! + * This is an implementation of the pages that make up an Ogg stream. + * This handles parsing pages and breaking them down into packets and handles + * the details of packets spanning multiple pages and pages that contiain + * multiple packets. + * + * In most Xiph.org formats the comments are found in the first few packets, + * this however is a reasonably complete implementation of Ogg pages that + * could potentially be useful for non-meta data purposes. + */ + + class TAGLIB_EXPORT Page + { + public: + /*! + * Read an Ogg page from the \a file at the position \a pageOffset. + */ + Page(File *file, long pageOffset); + + virtual ~Page(); + + /*! + * Returns the page's position within the file (in bytes). + */ + long fileOffset() const; + + /*! + * Returns a pointer to the header for this page. This pointer will become + * invalid when the page is deleted. + */ + const PageHeader *header() const; + + /*! + * Returns the index of the first packet wholly or partially contained in + * this page. + * + * \see setFirstPacketIndex() + */ + int firstPacketIndex() const; + + /*! + * Sets the index of the first packet in the page. + * + * \see firstPacketIndex() + */ + void setFirstPacketIndex(int index); + + /*! + * When checking to see if a page contains a given packet this set of flags + * represents the possible values for that packets status in the page. + * + * \see containsPacket() + */ + enum ContainsPacketFlags { + //! No part of the packet is contained in the page + DoesNotContainPacket = 0x0000, + //! The packet is wholly contained in the page + CompletePacket = 0x0001, + //! The page starts with the given packet + BeginsWithPacket = 0x0002, + //! The page ends with the given packet + EndsWithPacket = 0x0004 + }; + + /*! + * Checks to see if the specified \a packet is contained in the current + * page. + * + * \see ContainsPacketFlags + */ + ContainsPacketFlags containsPacket(int index) const; + + /*! + * Returns the number of packets (whole or partial) in this page. + */ + uint packetCount() const; + + /*! + * Returns a list of the packets in this page. + * + * \note Either or both the first and last packets may be only partial. + * \see PageHeader::firstPacketContinued() + */ + ByteVectorList packets() const; + + /*! + * Returns the size of the page in bytes. + */ + int size() const; + + ByteVector render() const; + + /*! + * Defines a strategy for pagination, or grouping pages into Ogg packets, + * for use with pagination methods. + * + * \note Yes, I'm aware that this is not a canonical "Strategy Pattern", + * the term was simply convenient. + */ + enum PaginationStrategy { + /*! + * Attempt to put the specified set of packets into a single Ogg packet. + * If the sum of the packet data is greater than will fit into a single + * Ogg page -- 65280 bytes -- this will fall back to repagination using + * the recommended page sizes. + */ + SinglePagePerGroup, + /*! + * Split the packet or group of packets into pages that conform to the + * sizes recommended in the Ogg standard. + */ + Repaginate + }; + + /*! + * Pack \a packets into Ogg pages using the \a strategy for pagination. + * The page number indicater inside of the rendered packets will start + * with \a firstPage and be incremented for each page rendered. + * \a containsLastPacket should be set to true if \a packets contains the + * last page in the stream and will set the appropriate flag in the last + * rendered Ogg page's header. \a streamSerialNumber should be set to + * the serial number for this stream. + * + * \note The "absolute granule position" is currently always zeroed using + * this method as this suffices for the comment headers. + * + * \warning The pages returned by this method must be deleted by the user. + * You can use List<T>::setAutoDelete(true) to set these pages to be + * automatically deleted when this list passes out of scope. + * + * \see PaginationStrategy + * \see List::setAutoDelete() + */ + static List<Page *> paginate(const ByteVectorList &packets, + PaginationStrategy strategy, + uint streamSerialNumber, + int firstPage, + bool firstPacketContinued = false, + bool lastPacketCompleted = true, + bool containsLastPacket = false); + + protected: + /*! + * Creates an Ogg packet based on the data in \a packets. The page number + * for each page will be set to \a pageNumber. + */ + Page(const ByteVectorList &packets, + uint streamSerialNumber, + int pageNumber, + bool firstPacketContinued = false, + bool lastPacketCompleted = true, + bool containsLastPacket = false); + + private: + Page(const Page &); + Page &operator=(const Page &); + + class PagePrivate; + PagePrivate *d; + }; + } +} +#endif diff --git a/libs/taglib/taglib/ogg/oggpageheader.cpp b/libs/taglib/taglib/ogg/oggpageheader.cpp new file mode 100644 index 0000000000..5f86fcbcda --- /dev/null +++ b/libs/taglib/taglib/ogg/oggpageheader.cpp @@ -0,0 +1,323 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <stdlib.h> + +#include <bitset> + +#include <tstring.h> +#include <tdebug.h> +#include <taglib.h> + +#include "oggpageheader.h" +#include "oggfile.h" + +using namespace TagLib; + +class Ogg::PageHeader::PageHeaderPrivate +{ +public: + PageHeaderPrivate(File *f, long pageOffset) : + file(f), + fileOffset(pageOffset), + isValid(false), + firstPacketContinued(false), + lastPacketCompleted(false), + firstPageOfStream(false), + lastPageOfStream(false), + absoluteGranularPosition(0), + streamSerialNumber(0), + pageSequenceNumber(-1), + size(0), + dataSize(0) + {} + + File *file; + long fileOffset; + bool isValid; + List<int> packetSizes; + bool firstPacketContinued; + bool lastPacketCompleted; + bool firstPageOfStream; + bool lastPageOfStream; + long long absoluteGranularPosition; + uint streamSerialNumber; + int pageSequenceNumber; + int size; + int dataSize; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +Ogg::PageHeader::PageHeader(Ogg::File *file, long pageOffset) +{ + d = new PageHeaderPrivate(file, pageOffset); + if(file && pageOffset >= 0) + read(); +} + +Ogg::PageHeader::~PageHeader() +{ + delete d; +} + +bool Ogg::PageHeader::isValid() const +{ + return d->isValid; +} + +List<int> Ogg::PageHeader::packetSizes() const +{ + return d->packetSizes; +} + +void Ogg::PageHeader::setPacketSizes(const List<int> &sizes) +{ + d->packetSizes = sizes; +} + +bool Ogg::PageHeader::firstPacketContinued() const +{ + return d->firstPacketContinued; +} + +void Ogg::PageHeader::setFirstPacketContinued(bool continued) +{ + d->firstPacketContinued = continued; +} + +bool Ogg::PageHeader::lastPacketCompleted() const +{ + return d->lastPacketCompleted; +} + +void Ogg::PageHeader::setLastPacketCompleted(bool completed) +{ + d->lastPacketCompleted = completed; +} + +bool Ogg::PageHeader::firstPageOfStream() const +{ + return d->firstPageOfStream; +} + +void Ogg::PageHeader::setFirstPageOfStream(bool first) +{ + d->firstPageOfStream = first; +} + +bool Ogg::PageHeader::lastPageOfStream() const +{ + return d->lastPageOfStream; +} + +void Ogg::PageHeader::setLastPageOfStream(bool last) +{ + d->lastPageOfStream = last; +} + +long long Ogg::PageHeader::absoluteGranularPosition() const +{ + return d->absoluteGranularPosition; +} + +void Ogg::PageHeader::setAbsoluteGranularPosition(long long agp) +{ + d->absoluteGranularPosition = agp; +} + +int Ogg::PageHeader::pageSequenceNumber() const +{ + return d->pageSequenceNumber; +} + +void Ogg::PageHeader::setPageSequenceNumber(int sequenceNumber) +{ + d->pageSequenceNumber = sequenceNumber; +} + +TagLib::uint Ogg::PageHeader::streamSerialNumber() const +{ + return d->streamSerialNumber; +} + +void Ogg::PageHeader::setStreamSerialNumber(uint n) +{ + d->streamSerialNumber = n; +} + +int Ogg::PageHeader::size() const +{ + return d->size; +} + +int Ogg::PageHeader::dataSize() const +{ + return d->dataSize; +} + +ByteVector Ogg::PageHeader::render() const +{ + ByteVector data; + + // capture patern + + data.append("OggS"); + + // stream structure version + + data.append(char(0)); + + // header type flag + + std::bitset<8> flags; + flags[0] = d->firstPacketContinued; + flags[1] = d->pageSequenceNumber == 0; + flags[2] = d->lastPageOfStream; + + data.append(char(flags.to_ulong())); + + // absolute granular position + + data.append(ByteVector::fromLongLong(d->absoluteGranularPosition, false)); + + // stream serial number + + data.append(ByteVector::fromUInt(d->streamSerialNumber, false)); + + // page sequence number + + data.append(ByteVector::fromUInt(d->pageSequenceNumber, false)); + + // checksum -- this is left empty and should be filled in by the Ogg::Page + // class + + data.append(ByteVector(4, 0)); + + // page segment count and page segment table + + ByteVector pageSegments = lacingValues(); + + data.append(char(uchar(pageSegments.size()))); + data.append(pageSegments); + + return data; +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +void Ogg::PageHeader::read() +{ + d->file->seek(d->fileOffset); + + // An Ogg page header is at least 27 bytes, so we'll go ahead and read that + // much and then get the rest when we're ready for it. + + ByteVector data = d->file->readBlock(27); + + // Sanity check -- make sure that we were in fact able to read as much data as + // we asked for and that the page begins with "OggS". + + if(data.size() != 27 || !data.startsWith("OggS")) { + debug("Ogg::PageHeader::read() -- error reading page header"); + return; + } + + std::bitset<8> flags(data[5]); + + d->firstPacketContinued = flags.test(0); + d->firstPageOfStream = flags.test(1); + d->lastPageOfStream = flags.test(2); + + d->absoluteGranularPosition = data.mid(6, 8).toLongLong(false); + d->streamSerialNumber = data.mid(14, 4).toUInt(false); + d->pageSequenceNumber = data.mid(18, 4).toUInt(false); + + // Byte number 27 is the number of page segments, which is the only variable + // length portion of the page header. After reading the number of page + // segments we'll then read in the corresponding data for this count. + + int pageSegmentCount = uchar(data[26]); + + ByteVector pageSegments = d->file->readBlock(pageSegmentCount); + + // Another sanity check. + + if(pageSegmentCount < 1 || int(pageSegments.size()) != pageSegmentCount) + return; + + // The base size of an Ogg page 27 bytes plus the number of lacing values. + + d->size = 27 + pageSegmentCount; + + int packetSize = 0; + + for(int i = 0; i < pageSegmentCount; i++) { + d->dataSize += uchar(pageSegments[i]); + packetSize += uchar(pageSegments[i]); + + if(uchar(pageSegments[i]) < 255) { + d->packetSizes.append(packetSize); + packetSize = 0; + } + } + + if(packetSize > 0) { + d->packetSizes.append(packetSize); + d->lastPacketCompleted = false; + } + else + d->lastPacketCompleted = true; + + d->isValid = true; +} + +ByteVector Ogg::PageHeader::lacingValues() const +{ + ByteVector data; + + List<int> sizes = d->packetSizes; + for(List<int>::ConstIterator it = sizes.begin(); it != sizes.end(); ++it) { + + // The size of a packet in an Ogg page is indicated by a series of "lacing + // values" where the sum of the values is the packet size in bytes. Each of + // these values is a byte. A value of less than 255 (0xff) indicates the end + // of the packet. + + div_t n = div(*it, 255); + + for(int i = 0; i < n.quot; i++) + data.append(char(uchar(255))); + + if(it != --sizes.end() || d->lastPacketCompleted) + data.append(char(uchar(n.rem))); + } + + return data; +} diff --git a/libs/taglib/taglib/ogg/oggpageheader.h b/libs/taglib/taglib/ogg/oggpageheader.h new file mode 100644 index 0000000000..4c683fe580 --- /dev/null +++ b/libs/taglib/taglib/ogg/oggpageheader.h @@ -0,0 +1,232 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_OGGPAGEHEADER_H +#define TAGLIB_OGGPAGEHEADER_H + +#include "tlist.h" +#include "tbytevector.h" +#include "taglib_export.h" + +namespace TagLib { + + namespace Ogg { + + class File; + + //! An implementation of the page headers associated with each Ogg::Page + + /*! + * This class implements Ogg page headers which contain the information + * about Ogg pages needed to break them into packets which can be passed on + * to the codecs. + */ + + class TAGLIB_EXPORT PageHeader + { + public: + /*! + * Reads a PageHeader from \a file starting at \a pageOffset. The defaults + * create a page with no (and as such, invalid) data that must be set + * later. + */ + PageHeader(File *file = 0, long pageOffset = -1); + + /*! + * Deletes this instance of the PageHeader. + */ + virtual ~PageHeader(); + + /*! + * Returns true if the header parsed properly and is valid. + */ + bool isValid() const; + + /*! + * Ogg pages contain a list of packets (which are used by the contained + * codecs). The sizes of these pages is encoded in the page header. This + * returns a list of the packet sizes in bytes. + * + * \see setPacketSizes() + */ + List<int> packetSizes() const; + + /*! + * Sets the sizes of the packets in this page to \a sizes. Internally this + * updates the lacing values in the header. + * + * \see packetSizes() + */ + void setPacketSizes(const List<int> &sizes); + + /*! + * Some packets can be <i>continued</i> across multiple pages. If the + * first packet in the current page is a continuation this will return + * true. If this is page starts with a new packet this will return false. + * + * \see lastPacketCompleted() + * \see setFirstPacketContinued() + */ + bool firstPacketContinued() const; + + /*! + * Sets the internal flag indicating if the first packet in this page is + * continued to \a continued. + * + * \see firstPacketContinued() + */ + void setFirstPacketContinued(bool continued); + + /*! + * Returns true if the last packet of this page is completely contained in + * this page. + * + * \see firstPacketContinued() + * \see setLastPacketCompleted() + */ + bool lastPacketCompleted() const; + + /*! + * Sets the internal flag indicating if the last packet in this page is + * complete to \a completed. + * + * \see lastPacketCompleted() + */ + void setLastPacketCompleted(bool completed); + + /*! + * This returns true if this is the first page of the Ogg (logical) stream. + * + * \see setFirstPageOfStream() + */ + bool firstPageOfStream() const; + + /*! + * Marks this page as the first page of the Ogg stream. + * + * \see firstPageOfStream() + */ + void setFirstPageOfStream(bool first); + + /*! + * This returns true if this is the last page of the Ogg (logical) stream. + * + * \see setLastPageOfStream() + */ + bool lastPageOfStream() const; + + /*! + * Marks this page as the last page of the Ogg stream. + * + * \see lastPageOfStream() + */ + void setLastPageOfStream(bool last); + + /*! + * A special value of containing the position of the packet to be + * interpreted by the codec. In the case of Vorbis this contains the PCM + * value and is used to calculate the length of the stream. + * + * \see setAbsoluteGranularPosition() + */ + long long absoluteGranularPosition() const; + + /*! + * A special value of containing the position of the packet to be + * interpreted by the codec. It is only supported here so that it may be + * coppied from one page to another. + * + * \see absoluteGranularPosition() + */ + void setAbsoluteGranularPosition(long long agp); + + /*! + * Every Ogg logical stream is given a random serial number which is common + * to every page in that logical stream. This returns the serial number of + * the stream associated with this packet. + * + * \see setStreamSerialNumber() + */ + uint streamSerialNumber() const; + + /*! + * Every Ogg logical stream is given a random serial number which is common + * to every page in that logical stream. This sets this pages serial + * number. This method should be used when adding new pages to a logical + * stream. + * + * \see streamSerialNumber() + */ + void setStreamSerialNumber(uint n); + + /*! + * Returns the index of the page within the Ogg stream. This helps make it + * possible to determine if pages have been lost. + * + * \see setPageSequenceNumber() + */ + int pageSequenceNumber() const; + + /*! + * Sets the page's position in the stream to \a sequenceNumber. + * + * \see pageSequenceNumber() + */ + void setPageSequenceNumber(int sequenceNumber); + + /*! + * Returns the complete header size. + */ + int size() const; + + /*! + * Returns the size of the data portion of the page -- i.e. the size of the + * page less the header size. + */ + int dataSize() const; + + /*! + * Render the page header to binary data. + * + * \note The checksum -- bytes 22 - 25 -- will be left empty and must be + * filled in when rendering the entire page. + */ + ByteVector render() const; + + private: + PageHeader(const PageHeader &); + PageHeader &operator=(const PageHeader &); + + void read(); + ByteVector lacingValues() const; + + class PageHeaderPrivate; + PageHeaderPrivate *d; + }; + + } +} + +#endif diff --git a/libs/taglib/taglib/ogg/speex/CMakeLists.txt b/libs/taglib/taglib/ogg/speex/CMakeLists.txt new file mode 100644 index 0000000000..7f35b71f30 --- /dev/null +++ b/libs/taglib/taglib/ogg/speex/CMakeLists.txt @@ -0,0 +1 @@ +INSTALL( FILES speexfile.h speexproperties.h DESTINATION ${INCLUDE_INSTALL_DIR}/taglib) diff --git a/libs/taglib/taglib/ogg/speex/Makefile.am b/libs/taglib/taglib/ogg/speex/Makefile.am new file mode 100644 index 0000000000..ef95d5bd01 --- /dev/null +++ b/libs/taglib/taglib/ogg/speex/Makefile.am @@ -0,0 +1,12 @@ +INCLUDES = \ + -I$(top_srcdir)/taglib \ + -I$(top_srcdir)/taglib/toolkit \ + -I$(top_srcdir)/taglib/ogg \ + $(all_includes) + +noinst_LTLIBRARIES = libspeex.la + +libspeex_la_SOURCES = speexfile.cpp speexproperties.cpp + +taglib_include_HEADERS = speexfile.h speexproperties.h +taglib_includedir = $(includedir)/taglib diff --git a/libs/taglib/taglib/ogg/speex/Makefile.in b/libs/taglib/taglib/ogg/speex/Makefile.in new file mode 100644 index 0000000000..fbaff53af9 --- /dev/null +++ b/libs/taglib/taglib/ogg/speex/Makefile.in @@ -0,0 +1,623 @@ +# Makefile.in generated by automake 1.10 from Makefile.am. +# KDE tags expanded automatically by am_edit - $Revision: 483858 $ +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +target_triplet = @target@ +subdir = taglib/ogg/speex +DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \ + $(taglib_include_HEADERS) +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \ + $(top_srcdir)/configure.in +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +mkinstalldirs = $(SHELL) $(top_srcdir)/admin/mkinstalldirs +CONFIG_HEADER = $(top_builddir)/config.h +CONFIG_CLEAN_FILES = +LTLIBRARIES = $(noinst_LTLIBRARIES) +libspeex_la_LIBADD = +am_libspeex_la_OBJECTS = speexfile.lo speexproperties.lo +#>- libspeex_la_OBJECTS = $(am_libspeex_la_OBJECTS) +#>+ 4 +libspeex_la_final_OBJECTS = libspeex_la.all_cpp.lo +libspeex_la_nofinal_OBJECTS = speexfile.lo speexproperties.lo +@KDE_USE_FINAL_FALSE@libspeex_la_OBJECTS = $(libspeex_la_nofinal_OBJECTS) +@KDE_USE_FINAL_TRUE@libspeex_la_OBJECTS = $(libspeex_la_final_OBJECTS) +DEFAULT_INCLUDES = -I. -I$(top_builddir)@am__isrc@ +depcomp = $(SHELL) $(top_srcdir)/admin/depcomp +am__depfiles_maybe = depfiles +#>- CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ +#>- $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) +#>+ 2 +CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ + $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) $(KDE_CXXFLAGS) +#>- LTCXXCOMPILE = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ +#>- --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ +#>- $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) +#>+ 3 +LTCXXCOMPILE = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ + --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ + $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) $(KDE_CXXFLAGS) +CXXLD = $(CXX) +#>- CXXLINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ +#>- --mode=link $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) \ +#>- $(LDFLAGS) -o $@ +#>+ 3 +CXXLINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ + --mode=link $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(KDE_CXXFLAGS) $(AM_LDFLAGS) \ + $(LDFLAGS) -o $@ +SOURCES = $(libspeex_la_SOURCES) +DIST_SOURCES = $(libspeex_la_SOURCES) +am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; 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\ + done + + +#>+ 11 +libspeex_la.all_cpp.cpp: $(srcdir)/Makefile.in $(srcdir)/speexfile.cpp $(srcdir)/speexproperties.cpp + @echo 'creating libspeex_la.all_cpp.cpp ...'; \ + rm -f libspeex_la.all_cpp.files libspeex_la.all_cpp.final; \ + echo "#define KDE_USE_FINAL 1" >> libspeex_la.all_cpp.final; \ + for file in speexfile.cpp speexproperties.cpp ; do \ + echo "#include \"$$file\"" >> libspeex_la.all_cpp.files; \ + test ! -f $(srcdir)/$$file || egrep '^#pragma +implementation' $(srcdir)/$$file >> libspeex_la.all_cpp.final; \ + done; \ + cat libspeex_la.all_cpp.final libspeex_la.all_cpp.files > libspeex_la.all_cpp.cpp; \ + rm -f libspeex_la.all_cpp.final libspeex_la.all_cpp.files + +#>+ 3 +clean-final: + -rm -f libspeex_la.all_cpp.cpp + +#>+ 3 +final: + $(MAKE) libspeex_la_OBJECTS="$(libspeex_la_final_OBJECTS)" all-am + +#>+ 3 +final-install: + $(MAKE) libspeex_la_OBJECTS="$(libspeex_la_final_OBJECTS)" install-am + +#>+ 3 +no-final: + $(MAKE) libspeex_la_OBJECTS="$(libspeex_la_nofinal_OBJECTS)" all-am + +#>+ 3 +no-final-install: + $(MAKE) libspeex_la_OBJECTS="$(libspeex_la_nofinal_OBJECTS)" install-am + +#>+ 3 +kde-rpo-clean: + -rm -f *.rpo + +#>+ 3 +nmcheck: +nmcheck-am: nmcheck diff --git a/libs/taglib/taglib/ogg/speex/speexfile.cpp b/libs/taglib/taglib/ogg/speex/speexfile.cpp new file mode 100644 index 0000000000..a1391b8367 --- /dev/null +++ b/libs/taglib/taglib/ogg/speex/speexfile.cpp @@ -0,0 +1,112 @@ +/*************************************************************************** + copyright : (C) 2006 by Lukáš Lalinský + email : lalinsky@gmail.com + + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + (original Vorbis implementation) + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <bitset> + +#include <tstring.h> +#include <tdebug.h> + +#include "speexfile.h" + +using namespace TagLib; +using namespace TagLib::Ogg; + +class Speex::File::FilePrivate +{ +public: + FilePrivate() : + comment(0), + properties(0) {} + + ~FilePrivate() + { + delete comment; + delete properties; + } + + Ogg::XiphComment *comment; + Properties *properties; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +Speex::File::File(FileName file, bool readProperties, + Properties::ReadStyle propertiesStyle) : Ogg::File(file) +{ + d = new FilePrivate; + read(readProperties, propertiesStyle); +} + +Speex::File::~File() +{ + delete d; +} + +Ogg::XiphComment *Speex::File::tag() const +{ + return d->comment; +} + +Speex::Properties *Speex::File::audioProperties() const +{ + return d->properties; +} + +bool Speex::File::save() +{ + if(!d->comment) + d->comment = new Ogg::XiphComment; + + setPacket(1, d->comment->render()); + + return Ogg::File::save(); +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +void Speex::File::read(bool readProperties, Properties::ReadStyle propertiesStyle) +{ + ByteVector speexHeaderData = packet(0); + + if(!speexHeaderData.startsWith("Speex ")) { + debug("Speex::File::read() -- invalid Speex identification header"); + return; + } + + ByteVector commentHeaderData = packet(1); + + d->comment = new Ogg::XiphComment(commentHeaderData); + + if(readProperties) + d->properties = new Properties(this, propertiesStyle); +} diff --git a/libs/taglib/taglib/ogg/speex/speexfile.h b/libs/taglib/taglib/ogg/speex/speexfile.h new file mode 100644 index 0000000000..6b585452ba --- /dev/null +++ b/libs/taglib/taglib/ogg/speex/speexfile.h @@ -0,0 +1,99 @@ +/*************************************************************************** + copyright : (C) 2006 by Lukáš Lalinský + email : lalinsky@gmail.com + + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + (original Vorbis implementation) +***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_SPEEXFILE_H +#define TAGLIB_SPEEXFILE_H + +#include <oggfile.h> +#include <xiphcomment.h> + +#include "speexproperties.h" + +namespace TagLib { + + namespace Ogg { + + //! A namespace containing classes for Speex metadata + + namespace Speex { + + //! An implementation of Ogg::File with Speex specific methods + + /*! + * This is the central class in the Ogg Speex metadata processing collection + * of classes. It's built upon Ogg::File which handles processing of the Ogg + * logical bitstream and breaking it down into pages which are handled by + * the codec implementations, in this case Speex specifically. + */ + + class TAGLIB_EXPORT File : public Ogg::File + { + public: + /*! + * Contructs a Speex file from \a file. If \a readProperties is true the + * file's audio properties will also be read using \a propertiesStyle. If + * false, \a propertiesStyle is ignored. + */ + File(FileName file, bool readProperties = true, + Properties::ReadStyle propertiesStyle = Properties::Average); + + /*! + * Destroys this instance of the File. + */ + virtual ~File(); + + /*! + * Returns the XiphComment for this file. XiphComment implements the tag + * interface, so this serves as the reimplementation of + * TagLib::File::tag(). + */ + virtual Ogg::XiphComment *tag() const; + + /*! + * Returns the Speex::Properties for this file. If no audio properties + * were read then this will return a null pointer. + */ + virtual Properties *audioProperties() const; + + virtual bool save(); + + private: + File(const File &); + File &operator=(const File &); + + void read(bool readProperties, Properties::ReadStyle propertiesStyle); + + class FilePrivate; + FilePrivate *d; + }; + } + } +} + +#endif diff --git a/libs/taglib/taglib/ogg/speex/speexproperties.cpp b/libs/taglib/taglib/ogg/speex/speexproperties.cpp new file mode 100644 index 0000000000..29deb019c1 --- /dev/null +++ b/libs/taglib/taglib/ogg/speex/speexproperties.cpp @@ -0,0 +1,170 @@ +/*************************************************************************** + copyright : (C) 2006 by Lukáš Lalinský + email : lalinsky@gmail.com + + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + (original Vorbis implementation) + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tstring.h> +#include <tdebug.h> + +#include <oggpageheader.h> + +#include "speexproperties.h" +#include "speexfile.h" + +using namespace TagLib; +using namespace TagLib::Ogg; + +class Speex::Properties::PropertiesPrivate +{ +public: + PropertiesPrivate(File *f, ReadStyle s) : + file(f), + style(s), + length(0), + bitrate(0), + sampleRate(0), + channels(0), + speexVersion(0), + vbr(false), + mode(0) {} + + File *file; + ReadStyle style; + int length; + int bitrate; + int sampleRate; + int channels; + int speexVersion; + bool vbr; + int mode; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +Speex::Properties::Properties(File *file, ReadStyle style) : AudioProperties(style) +{ + d = new PropertiesPrivate(file, style); + read(); +} + +Speex::Properties::~Properties() +{ + delete d; +} + +int Speex::Properties::length() const +{ + return d->length; +} + +int Speex::Properties::bitrate() const +{ + return int(float(d->bitrate) / float(1000) + 0.5); +} + +int Speex::Properties::sampleRate() const +{ + return d->sampleRate; +} + +int Speex::Properties::channels() const +{ + return d->channels; +} + +int Speex::Properties::speexVersion() const +{ + return d->speexVersion; +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +void Speex::Properties::read() +{ + // Get the identification header from the Ogg implementation. + + ByteVector data = d->file->packet(0); + + int pos = 28; + + // speex_version_id; /**< Version for Speex (for checking compatibility) */ + d->speexVersion = data.mid(pos, 4).toUInt(false); + pos += 4; + + // header_size; /**< Total size of the header ( sizeof(SpeexHeader) ) */ + pos += 4; + + // rate; /**< Sampling rate used */ + d->sampleRate = data.mid(pos, 4).toUInt(false); + pos += 4; + + // mode; /**< Mode used (0 for narrowband, 1 for wideband) */ + d->mode = data.mid(pos, 4).toUInt(false); + pos += 4; + + // mode_bitstream_version; /**< Version ID of the bit-stream */ + pos += 4; + + // nb_channels; /**< Number of channels encoded */ + d->channels = data.mid(pos, 4).toUInt(false); + pos += 4; + + // bitrate; /**< Bit-rate used */ + d->bitrate = data.mid(pos, 4).toUInt(false); + pos += 4; + + // frame_size; /**< Size of frames */ + // unsigned int frameSize = data.mid(pos, 4).toUInt(false); + pos += 4; + + // vbr; /**< 1 for a VBR encoding, 0 otherwise */ + d->vbr = data.mid(pos, 4).toUInt(false) == 1; + pos += 4; + + // frames_per_packet; /**< Number of frames stored per Ogg packet */ + // unsigned int framesPerPacket = data.mid(pos, 4).toUInt(false); + + const Ogg::PageHeader *first = d->file->firstPageHeader(); + const Ogg::PageHeader *last = d->file->lastPageHeader(); + + if(first && last) { + long long start = first->absoluteGranularPosition(); + long long end = last->absoluteGranularPosition(); + + if(start >= 0 && end >= 0 && d->sampleRate > 0) + d->length = (int) ((end - start) / (long long) d->sampleRate); + else + debug("Speex::Properties::read() -- Either the PCM values for the start or " + "end of this file was incorrect or the sample rate is zero."); + } + else + debug("Speex::Properties::read() -- Could not find valid first and last Ogg pages."); +} diff --git a/libs/taglib/taglib/ogg/speex/speexproperties.h b/libs/taglib/taglib/ogg/speex/speexproperties.h new file mode 100644 index 0000000000..3bab7974e7 --- /dev/null +++ b/libs/taglib/taglib/ogg/speex/speexproperties.h @@ -0,0 +1,89 @@ +/*************************************************************************** + copyright : (C) 2006 by Lukáš Lalinský + email : lalinsky@gmail.com + + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + (original Vorbis implementation) +***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_SPEEXPROPERTIES_H +#define TAGLIB_SPEEXPROPERTIES_H + +#include <audioproperties.h> + +namespace TagLib { + + namespace Ogg { + + namespace Speex { + + class File; + + //! An implementation of audio property reading for Ogg Speex + + /*! + * This reads the data from an Ogg Speex stream found in the AudioProperties + * API. + */ + + class TAGLIB_EXPORT Properties : public AudioProperties + { + public: + /*! + * Create an instance of Speex::Properties with the data read from the + * Speex::File \a file. + */ + Properties(File *file, ReadStyle style = Average); + + /*! + * Destroys this Speex::Properties instance. + */ + virtual ~Properties(); + + // Reimplementations. + + virtual int length() const; + virtual int bitrate() const; + virtual int sampleRate() const; + virtual int channels() const; + + /*! + * Returns the Speex version, currently "0" (as specified by the spec). + */ + int speexVersion() const; + + private: + Properties(const Properties &); + Properties &operator=(const Properties &); + + void read(); + + class PropertiesPrivate; + PropertiesPrivate *d; + }; + } + } +} + +#endif diff --git a/libs/taglib/taglib/ogg/vorbis/CMakeLists.txt b/libs/taglib/taglib/ogg/vorbis/CMakeLists.txt new file mode 100644 index 0000000000..7033e132e4 --- /dev/null +++ b/libs/taglib/taglib/ogg/vorbis/CMakeLists.txt @@ -0,0 +1 @@ +INSTALL( FILES vorbisfile.h vorbisproperties.h DESTINATION ${INCLUDE_INSTALL_DIR}/taglib) diff --git a/libs/taglib/taglib/ogg/vorbis/Makefile.am b/libs/taglib/taglib/ogg/vorbis/Makefile.am new file mode 100644 index 0000000000..c7880fb133 --- /dev/null +++ b/libs/taglib/taglib/ogg/vorbis/Makefile.am @@ -0,0 +1,12 @@ +INCLUDES = \ + -I$(top_srcdir)/taglib \ + -I$(top_srcdir)/taglib/toolkit \ + -I$(top_srcdir)/taglib/ogg \ + $(all_includes) + +noinst_LTLIBRARIES = libvorbis.la + +libvorbis_la_SOURCES = vorbisfile.cpp vorbisproperties.cpp + +taglib_include_HEADERS = vorbisfile.h vorbisproperties.h +taglib_includedir = $(includedir)/taglib diff --git a/libs/taglib/taglib/ogg/vorbis/Makefile.in b/libs/taglib/taglib/ogg/vorbis/Makefile.in new file mode 100644 index 0000000000..39dd61fdc8 --- /dev/null +++ b/libs/taglib/taglib/ogg/vorbis/Makefile.in @@ -0,0 +1,623 @@ +# Makefile.in generated by automake 1.10 from Makefile.am. +# KDE tags expanded automatically by am_edit - $Revision: 483858 $ +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +target_triplet = @target@ +subdir = taglib/ogg/vorbis +DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \ + $(taglib_include_HEADERS) +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \ + $(top_srcdir)/configure.in +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +mkinstalldirs = $(SHELL) $(top_srcdir)/admin/mkinstalldirs +CONFIG_HEADER = $(top_builddir)/config.h +CONFIG_CLEAN_FILES = +LTLIBRARIES = $(noinst_LTLIBRARIES) +libvorbis_la_LIBADD = +am_libvorbis_la_OBJECTS = vorbisfile.lo vorbisproperties.lo +#>- libvorbis_la_OBJECTS = $(am_libvorbis_la_OBJECTS) +#>+ 4 +libvorbis_la_final_OBJECTS = libvorbis_la.all_cpp.lo +libvorbis_la_nofinal_OBJECTS = vorbisfile.lo vorbisproperties.lo +@KDE_USE_FINAL_FALSE@libvorbis_la_OBJECTS = $(libvorbis_la_nofinal_OBJECTS) +@KDE_USE_FINAL_TRUE@libvorbis_la_OBJECTS = $(libvorbis_la_final_OBJECTS) +DEFAULT_INCLUDES = -I. -I$(top_builddir)@am__isrc@ +depcomp = $(SHELL) $(top_srcdir)/admin/depcomp +am__depfiles_maybe = depfiles +#>- CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ +#>- $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) +#>+ 2 +CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ + $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) $(KDE_CXXFLAGS) +#>- LTCXXCOMPILE = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ +#>- --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ +#>- $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) +#>+ 3 +LTCXXCOMPILE = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ + --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ + $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) $(KDE_CXXFLAGS) +CXXLD = $(CXX) +#>- CXXLINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ +#>- --mode=link $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) \ +#>- $(LDFLAGS) -o $@ +#>+ 3 +CXXLINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ + --mode=link $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(KDE_CXXFLAGS) $(AM_LDFLAGS) \ + $(LDFLAGS) -o $@ +SOURCES = $(libvorbis_la_SOURCES) +DIST_SOURCES = $(libvorbis_la_SOURCES) +am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; 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\ + done + + +#>+ 11 +libvorbis_la.all_cpp.cpp: $(srcdir)/Makefile.in $(srcdir)/vorbisfile.cpp $(srcdir)/vorbisproperties.cpp + @echo 'creating libvorbis_la.all_cpp.cpp ...'; \ + rm -f libvorbis_la.all_cpp.files libvorbis_la.all_cpp.final; \ + echo "#define KDE_USE_FINAL 1" >> libvorbis_la.all_cpp.final; \ + for file in vorbisfile.cpp vorbisproperties.cpp ; do \ + echo "#include \"$$file\"" >> libvorbis_la.all_cpp.files; \ + test ! -f $(srcdir)/$$file || egrep '^#pragma +implementation' $(srcdir)/$$file >> libvorbis_la.all_cpp.final; \ + done; \ + cat libvorbis_la.all_cpp.final libvorbis_la.all_cpp.files > libvorbis_la.all_cpp.cpp; \ + rm -f libvorbis_la.all_cpp.final libvorbis_la.all_cpp.files + +#>+ 3 +clean-final: + -rm -f libvorbis_la.all_cpp.cpp + +#>+ 3 +final: + $(MAKE) libvorbis_la_OBJECTS="$(libvorbis_la_final_OBJECTS)" all-am + +#>+ 3 +final-install: + $(MAKE) libvorbis_la_OBJECTS="$(libvorbis_la_final_OBJECTS)" install-am + +#>+ 3 +no-final: + $(MAKE) libvorbis_la_OBJECTS="$(libvorbis_la_nofinal_OBJECTS)" all-am + +#>+ 3 +no-final-install: + $(MAKE) libvorbis_la_OBJECTS="$(libvorbis_la_nofinal_OBJECTS)" install-am + +#>+ 3 +kde-rpo-clean: + -rm -f *.rpo + +#>+ 3 +nmcheck: +nmcheck-am: nmcheck diff --git a/libs/taglib/taglib/ogg/vorbis/vorbisfile.cpp b/libs/taglib/taglib/ogg/vorbis/vorbisfile.cpp new file mode 100644 index 0000000000..114166a2c7 --- /dev/null +++ b/libs/taglib/taglib/ogg/vorbis/vorbisfile.cpp @@ -0,0 +1,117 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <bitset> + +#include <tstring.h> +#include <tdebug.h> + +#include "vorbisfile.h" + +using namespace TagLib; + +class Vorbis::File::FilePrivate +{ +public: + FilePrivate() : + comment(0), + properties(0) {} + + ~FilePrivate() + { + delete comment; + delete properties; + } + + Ogg::XiphComment *comment; + Properties *properties; +}; + +namespace TagLib { + /*! + * Vorbis headers can be found with one type ID byte and the string "vorbis" in + * an Ogg stream. 0x03 indicates the comment header. + */ + static const char vorbisCommentHeaderID[] = { 0x03, 'v', 'o', 'r', 'b', 'i', 's', 0 }; +} + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +Vorbis::File::File(FileName file, bool readProperties, + Properties::ReadStyle propertiesStyle) : Ogg::File(file) +{ + d = new FilePrivate; + read(readProperties, propertiesStyle); +} + +Vorbis::File::~File() +{ + delete d; +} + +Ogg::XiphComment *Vorbis::File::tag() const +{ + return d->comment; +} + +Vorbis::Properties *Vorbis::File::audioProperties() const +{ + return d->properties; +} + +bool Vorbis::File::save() +{ + ByteVector v(vorbisCommentHeaderID); + + if(!d->comment) + d->comment = new Ogg::XiphComment; + v.append(d->comment->render()); + + setPacket(1, v); + + return Ogg::File::save(); +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +void Vorbis::File::read(bool readProperties, Properties::ReadStyle propertiesStyle) +{ + ByteVector commentHeaderData = packet(1); + + if(commentHeaderData.mid(0, 7) != vorbisCommentHeaderID) { + debug("Vorbis::File::read() - Could not find the Vorbis comment header."); + setValid(false); + return; + } + + d->comment = new Ogg::XiphComment(commentHeaderData.mid(7)); + + if(readProperties) + d->properties = new Properties(this, propertiesStyle); +} diff --git a/libs/taglib/taglib/ogg/vorbis/vorbisfile.h b/libs/taglib/taglib/ogg/vorbis/vorbisfile.h new file mode 100644 index 0000000000..9eb5ac6968 --- /dev/null +++ b/libs/taglib/taglib/ogg/vorbis/vorbisfile.h @@ -0,0 +1,118 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_VORBISFILE_H +#define TAGLIB_VORBISFILE_H + +#include "taglib_export.h" +#include "oggfile.h" +#include "xiphcomment.h" + +#include "vorbisproperties.h" + +namespace TagLib { + +/* + * This is just to make this appear to be in the Ogg namespace in the + * documentation. The typedef below will make this work with the current code. + * In the next BIC version of TagLib this will be really moved into the Ogg + * namespace. + */ + +#ifdef DOXYGEN + namespace Ogg { +#endif + + //! A namespace containing classes for Vorbis metadata + + namespace Vorbis { + + + //! An implementation of Ogg::File with Vorbis specific methods + + /*! + * This is the central class in the Ogg Vorbis metadata processing collection + * of classes. It's built upon Ogg::File which handles processing of the Ogg + * logical bitstream and breaking it down into pages which are handled by + * the codec implementations, in this case Vorbis specifically. + */ + + class TAGLIB_EXPORT File : public Ogg::File + { + public: + /*! + * Contructs a Vorbis file from \a file. If \a readProperties is true the + * file's audio properties will also be read using \a propertiesStyle. If + * false, \a propertiesStyle is ignored. + */ + File(FileName file, bool readProperties = true, + Properties::ReadStyle propertiesStyle = Properties::Average); + + /*! + * Destroys this instance of the File. + */ + virtual ~File(); + + /*! + * Returns the XiphComment for this file. XiphComment implements the tag + * interface, so this serves as the reimplementation of + * TagLib::File::tag(). + */ + virtual Ogg::XiphComment *tag() const; + + /*! + * Returns the Vorbis::Properties for this file. If no audio properties + * were read then this will return a null pointer. + */ + virtual Properties *audioProperties() const; + + virtual bool save(); + + private: + File(const File &); + File &operator=(const File &); + + void read(bool readProperties, Properties::ReadStyle propertiesStyle); + + class FilePrivate; + FilePrivate *d; + }; + } + +/* + * To keep compatibility with the current version put Vorbis in the Ogg namespace + * only in the docs and provide a typedef to make it work. In the next BIC + * version this will be removed and it will only exist in the Ogg namespace. + */ + +#ifdef DOXYGEN + } +#else + namespace Ogg { namespace Vorbis { typedef TagLib::Vorbis::File File; } } +#endif + +} + +#endif diff --git a/libs/taglib/taglib/ogg/vorbis/vorbisproperties.cpp b/libs/taglib/taglib/ogg/vorbis/vorbisproperties.cpp new file mode 100644 index 0000000000..c82a3191f3 --- /dev/null +++ b/libs/taglib/taglib/ogg/vorbis/vorbisproperties.cpp @@ -0,0 +1,183 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tstring.h> +#include <tdebug.h> + +#include <oggpageheader.h> + +#include "vorbisproperties.h" +#include "vorbisfile.h" + +using namespace TagLib; + +class Vorbis::Properties::PropertiesPrivate +{ +public: + PropertiesPrivate(File *f, ReadStyle s) : + file(f), + style(s), + length(0), + bitrate(0), + sampleRate(0), + channels(0), + vorbisVersion(0), + bitrateMaximum(0), + bitrateNominal(0), + bitrateMinimum(0) {} + + File *file; + ReadStyle style; + int length; + int bitrate; + int sampleRate; + int channels; + int vorbisVersion; + int bitrateMaximum; + int bitrateNominal; + int bitrateMinimum; +}; + +namespace TagLib { + /*! + * Vorbis headers can be found with one type ID byte and the string "vorbis" in + * an Ogg stream. 0x01 indicates the setup header. + */ + static const char vorbisSetupHeaderID[] = { 0x01, 'v', 'o', 'r', 'b', 'i', 's', 0 }; +} + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +Vorbis::Properties::Properties(File *file, ReadStyle style) : AudioProperties(style) +{ + d = new PropertiesPrivate(file, style); + read(); +} + +Vorbis::Properties::~Properties() +{ + delete d; +} + +int Vorbis::Properties::length() const +{ + return d->length; +} + +int Vorbis::Properties::bitrate() const +{ + return int(float(d->bitrate) / float(1000) + 0.5); +} + +int Vorbis::Properties::sampleRate() const +{ + return d->sampleRate; +} + +int Vorbis::Properties::channels() const +{ + return d->channels; +} + +int Vorbis::Properties::vorbisVersion() const +{ + return d->vorbisVersion; +} + +int Vorbis::Properties::bitrateMaximum() const +{ + return d->bitrateMaximum; +} + +int Vorbis::Properties::bitrateNominal() const +{ + return d->bitrateNominal; +} + +int Vorbis::Properties::bitrateMinimum() const +{ + return d->bitrateMinimum; +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +void Vorbis::Properties::read() +{ + // Get the identification header from the Ogg implementation. + + ByteVector data = d->file->packet(0); + + int pos = 0; + + if(data.mid(pos, 7) != vorbisSetupHeaderID) { + debug("Vorbis::Properties::read() -- invalid Vorbis identification header"); + return; + } + + pos += 7; + + d->vorbisVersion = data.mid(pos, 4).toUInt(false); + pos += 4; + + d->channels = uchar(data[pos]); + pos += 1; + + d->sampleRate = data.mid(pos, 4).toUInt(false); + pos += 4; + + d->bitrateMaximum = data.mid(pos, 4).toUInt(false); + pos += 4; + + d->bitrateNominal = data.mid(pos, 4).toUInt(false); + pos += 4; + + d->bitrateMinimum = data.mid(pos, 4).toUInt(false); + + // TODO: Later this should be only the "fast" mode. + d->bitrate = d->bitrateNominal; + + // Find the length of the file. See http://wiki.xiph.org/VorbisStreamLength/ + // for my notes on the topic. + + const Ogg::PageHeader *first = d->file->firstPageHeader(); + const Ogg::PageHeader *last = d->file->lastPageHeader(); + + if(first && last) { + long long start = first->absoluteGranularPosition(); + long long end = last->absoluteGranularPosition(); + + if(start >= 0 && end >= 0 && d->sampleRate > 0) + d->length = (end - start) / (long long) d->sampleRate; + else + debug("Vorbis::Properties::read() -- Either the PCM values for the start or " + "end of this file was incorrect or the sample rate is zero."); + } + else + debug("Vorbis::Properties::read() -- Could not find valid first and last Ogg pages."); +} diff --git a/libs/taglib/taglib/ogg/vorbis/vorbisproperties.h b/libs/taglib/taglib/ogg/vorbis/vorbisproperties.h new file mode 100644 index 0000000000..80804a2dd1 --- /dev/null +++ b/libs/taglib/taglib/ogg/vorbis/vorbisproperties.h @@ -0,0 +1,125 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_VORBISPROPERTIES_H +#define TAGLIB_VORBISPROPERTIES_H + +#include "taglib_export.h" +#include "audioproperties.h" + +namespace TagLib { + +/* + * This is just to make this appear to be in the Ogg namespace in the + * documentation. The typedef below will make this work with the current code. + * In the next BIC version of TagLib this will be really moved into the Ogg + * namespace. + */ + +#ifdef DOXYGEN + namespace Ogg { +#endif + + namespace Vorbis { + + class File; + + //! An implementation of audio property reading for Ogg Vorbis + + /*! + * This reads the data from an Ogg Vorbis stream found in the AudioProperties + * API. + */ + + class TAGLIB_EXPORT Properties : public AudioProperties + { + public: + /*! + * Create an instance of Vorbis::Properties with the data read from the + * Vorbis::File \a file. + */ + Properties(File *file, ReadStyle style = Average); + + /*! + * Destroys this VorbisProperties instance. + */ + virtual ~Properties(); + + // Reimplementations. + + virtual int length() const; + virtual int bitrate() const; + virtual int sampleRate() const; + virtual int channels() const; + + /*! + * Returns the Vorbis version, currently "0" (as specified by the spec). + */ + int vorbisVersion() const; + + /*! + * Returns the maximum bitrate as read from the Vorbis identification + * header. + */ + int bitrateMaximum() const; + + /*! + * Returns the nominal bitrate as read from the Vorbis identification + * header. + */ + int bitrateNominal() const; + + /*! + * Returns the minimum bitrate as read from the Vorbis identification + * header. + */ + int bitrateMinimum() const; + + private: + Properties(const Properties &); + Properties &operator=(const Properties &); + + void read(); + + class PropertiesPrivate; + PropertiesPrivate *d; + }; + } + +/* + * To keep compatibility with the current version put Vorbis in the Ogg namespace + * only in the docs and provide a typedef to make it work. In the next BIC + * version this will be removed and it will only exist in the Ogg namespace. + */ + +#ifdef DOXYGEN + } +#else + namespace Ogg { namespace Vorbis { typedef TagLib::AudioProperties AudioProperties; } } +#endif + +} + +#endif diff --git a/libs/taglib/taglib/ogg/xiphcomment.cpp b/libs/taglib/taglib/ogg/xiphcomment.cpp new file mode 100644 index 0000000000..d7c5c5c4dd --- /dev/null +++ b/libs/taglib/taglib/ogg/xiphcomment.cpp @@ -0,0 +1,313 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tbytevector.h> +#include <tdebug.h> + +#include <xiphcomment.h> + +using namespace TagLib; + +class Ogg::XiphComment::XiphCommentPrivate +{ +public: + FieldListMap fieldListMap; + String vendorID; + String commentField; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +Ogg::XiphComment::XiphComment() : TagLib::Tag() +{ + d = new XiphCommentPrivate; +} + +Ogg::XiphComment::XiphComment(const ByteVector &data) : TagLib::Tag() +{ + d = new XiphCommentPrivate; + parse(data); +} + +Ogg::XiphComment::~XiphComment() +{ + delete d; +} + +String Ogg::XiphComment::title() const +{ + if(d->fieldListMap["TITLE"].isEmpty()) + return String::null; + return d->fieldListMap["TITLE"].front(); +} + +String Ogg::XiphComment::artist() const +{ + if(d->fieldListMap["ARTIST"].isEmpty()) + return String::null; + return d->fieldListMap["ARTIST"].front(); +} + +String Ogg::XiphComment::album() const +{ + if(d->fieldListMap["ALBUM"].isEmpty()) + return String::null; + return d->fieldListMap["ALBUM"].front(); +} + +String Ogg::XiphComment::comment() const +{ + if(!d->fieldListMap["DESCRIPTION"].isEmpty()) { + d->commentField = "DESCRIPTION"; + return d->fieldListMap["DESCRIPTION"].front(); + } + + if(!d->fieldListMap["COMMENT"].isEmpty()) { + d->commentField = "COMMENT"; + return d->fieldListMap["COMMENT"].front(); + } + + return String::null; +} + +String Ogg::XiphComment::genre() const +{ + if(d->fieldListMap["GENRE"].isEmpty()) + return String::null; + return d->fieldListMap["GENRE"].front(); +} + +TagLib::uint Ogg::XiphComment::year() const +{ + if(d->fieldListMap["DATE"].isEmpty()) + return 0; + return d->fieldListMap["DATE"].front().toInt(); +} + +TagLib::uint Ogg::XiphComment::track() const +{ + if(d->fieldListMap["TRACKNUMBER"].isEmpty()) + return 0; + return d->fieldListMap["TRACKNUMBER"].front().toInt(); +} + +void Ogg::XiphComment::setTitle(const String &s) +{ + addField("TITLE", s); +} + +void Ogg::XiphComment::setArtist(const String &s) +{ + addField("ARTIST", s); +} + +void Ogg::XiphComment::setAlbum(const String &s) +{ + addField("ALBUM", s); +} + +void Ogg::XiphComment::setComment(const String &s) +{ + addField(d->commentField.isEmpty() ? "DESCRIPTION" : d->commentField, s); +} + +void Ogg::XiphComment::setGenre(const String &s) +{ + addField("GENRE", s); +} + +void Ogg::XiphComment::setYear(uint i) +{ + if(i == 0) + removeField("DATE"); + else + addField("DATE", String::number(i)); +} + +void Ogg::XiphComment::setTrack(uint i) +{ + if(i == 0) + removeField("TRACKNUMBER"); + else + addField("TRACKNUMBER", String::number(i)); +} + +bool Ogg::XiphComment::isEmpty() const +{ + FieldListMap::ConstIterator it = d->fieldListMap.begin(); + for(; it != d->fieldListMap.end(); ++it) + if(!(*it).second.isEmpty()) + return false; + + return true; +} + +TagLib::uint Ogg::XiphComment::fieldCount() const +{ + uint count = 0; + + FieldListMap::ConstIterator it = d->fieldListMap.begin(); + for(; it != d->fieldListMap.end(); ++it) + count += (*it).second.size(); + + return count; +} + +const Ogg::FieldListMap &Ogg::XiphComment::fieldListMap() const +{ + return d->fieldListMap; +} + +String Ogg::XiphComment::vendorID() const +{ + return d->vendorID; +} + +void Ogg::XiphComment::addField(const String &key, const String &value, bool replace) +{ + if(replace) + removeField(key.upper()); + + if(!key.isEmpty() && !value.isEmpty()) + d->fieldListMap[key.upper()].append(value); +} + +void Ogg::XiphComment::removeField(const String &key, const String &value) +{ + if(!value.isNull()) { + StringList::Iterator it = d->fieldListMap[key].begin(); + while(it != d->fieldListMap[key].end()) { + if(value == *it) + it = d->fieldListMap[key].erase(it); + else + it++; + } + } + else + d->fieldListMap.erase(key); +} + +bool Ogg::XiphComment::contains(const String &key) const +{ + return d->fieldListMap.contains(key) && !d->fieldListMap[key].isEmpty(); +} + +ByteVector Ogg::XiphComment::render() const +{ + return render(true); +} + +ByteVector Ogg::XiphComment::render(bool addFramingBit) const +{ + ByteVector data; + + // Add the vendor ID length and the vendor ID. It's important to use the + // length of the data(String::UTF8) rather than the length of the the string + // since this is UTF8 text and there may be more characters in the data than + // in the UTF16 string. + + ByteVector vendorData = d->vendorID.data(String::UTF8); + + data.append(ByteVector::fromUInt(vendorData.size(), false)); + data.append(vendorData); + + // Add the number of fields. + + data.append(ByteVector::fromUInt(fieldCount(), false)); + + // Iterate over the the field lists. Our iterator returns a + // std::pair<String, StringList> where the first String is the field name and + // the StringList is the values associated with that field. + + FieldListMap::ConstIterator it = d->fieldListMap.begin(); + for(; it != d->fieldListMap.end(); ++it) { + + // And now iterate over the values of the current list. + + String fieldName = (*it).first; + StringList values = (*it).second; + + StringList::ConstIterator valuesIt = values.begin(); + for(; valuesIt != values.end(); ++valuesIt) { + ByteVector fieldData = fieldName.data(String::UTF8); + fieldData.append('='); + fieldData.append((*valuesIt).data(String::UTF8)); + + data.append(ByteVector::fromUInt(fieldData.size(), false)); + data.append(fieldData); + } + } + + // Append the "framing bit". + + if(addFramingBit) + data.append(char(1)); + + return data; +} + +//////////////////////////////////////////////////////////////////////////////// +// protected members +//////////////////////////////////////////////////////////////////////////////// + +void Ogg::XiphComment::parse(const ByteVector &data) +{ + // The first thing in the comment data is the vendor ID length, followed by a + // UTF8 string with the vendor ID. + + int pos = 0; + + int vendorLength = data.mid(0, 4).toUInt(false); + pos += 4; + + d->vendorID = String(data.mid(pos, vendorLength), String::UTF8); + pos += vendorLength; + + // Next the number of fields in the comment vector. + + int commentFields = data.mid(pos, 4).toUInt(false); + pos += 4; + + for(int i = 0; i < commentFields; i++) { + + // Each comment field is in the format "KEY=value" in a UTF8 string and has + // 4 bytes before the text starts that gives the length. + + int commentLength = data.mid(pos, 4).toUInt(false); + pos += 4; + + String comment = String(data.mid(pos, commentLength), String::UTF8); + pos += commentLength; + + int commentSeparatorPosition = comment.find("="); + + String key = comment.substr(0, commentSeparatorPosition); + String value = comment.substr(commentSeparatorPosition + 1); + + addField(key, value, false); + } +} diff --git a/libs/taglib/taglib/ogg/xiphcomment.h b/libs/taglib/taglib/ogg/xiphcomment.h new file mode 100644 index 0000000000..818b3f41bc --- /dev/null +++ b/libs/taglib/taglib/ogg/xiphcomment.h @@ -0,0 +1,202 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_VORBISCOMMENT_H +#define TAGLIB_VORBISCOMMENT_H + +#include "tag.h" +#include "tlist.h" +#include "tmap.h" +#include "tstring.h" +#include "tstringlist.h" +#include "tbytevector.h" +#include "taglib_export.h" + +namespace TagLib { + + namespace Ogg { + + /*! + * A mapping between a list of field names, or keys, and a list of values + * associated with that field. + * + * \see XiphComment::fieldListMap() + */ + typedef Map<String, StringList> FieldListMap; + + //! Ogg Vorbis comment implementation + + /*! + * This class is an implementation of the Ogg Vorbis comment specification, + * to be found in section 5 of the Ogg Vorbis specification. Because this + * format is also used in other (currently unsupported) Xiph.org formats, it + * has been made part of a generic implementation rather than being limited + * to strictly Vorbis. + * + * Vorbis comments are a simple vector of keys and values, called fields. + * Multiple values for a given key are supported. + * + * \see fieldListMap() + */ + + class TAGLIB_EXPORT XiphComment : public TagLib::Tag + { + public: + /*! + * Constructs an empty Vorbis comment. + */ + XiphComment(); + + /*! + * Constructs a Vorbis comment from \a data. + */ + XiphComment(const ByteVector &data); + + /*! + * Destroys this instance of the XiphComment. + */ + virtual ~XiphComment(); + + virtual String title() const; + virtual String artist() const; + virtual String album() const; + virtual String comment() const; + virtual String genre() const; + virtual uint year() const; + virtual uint track() const; + + virtual void setTitle(const String &s); + virtual void setArtist(const String &s); + virtual void setAlbum(const String &s); + virtual void setComment(const String &s); + virtual void setGenre(const String &s); + virtual void setYear(uint i); + virtual void setTrack(uint i); + + virtual bool isEmpty() const; + + /*! + * Returns the number of fields present in the comment. + */ + uint fieldCount() const; + + /*! + * Returns a reference to the map of field lists. Because Xiph comments + * support multiple fields with the same key, a pure Map would not work. + * As such this is a Map of string lists, keyed on the comment field name. + * + * The standard set of Xiph/Vorbis fields (which may or may not be + * contained in any specific comment) is: + * + * <ul> + * <li>TITLE</li> + * <li>VERSION</li> + * <li>ALBUM</li> + * <li>ARTIST</li> + * <li>PERFORMER</li> + * <li>COPYRIGHT</li> + * <li>ORGANIZATION</li> + * <li>DESCRIPTION</li> + * <li>GENRE</li> + * <li>DATE</li> + * <li>LOCATION</li> + * <li>CONTACT</li> + * <li>ISRC</li> + * </ul> + * + * For a more detailed description of these fields, please see the Ogg + * Vorbis specification, section 5.2.2.1. + * + * \note The Ogg Vorbis comment specification does allow these key values + * to be either upper or lower case. However, it is conventional for them + * to be upper case. As such, TagLib, when parsing a Xiph/Vorbis comment, + * converts all fields to uppercase. When you are using this data + * structure, you will need to specify the field name in upper case. + * + * \warning You should not modify this data structure directly, instead + * use addField() and removeField(). + */ + const FieldListMap &fieldListMap() const; + + /*! + * Returns the vendor ID of the Ogg Vorbis encoder. libvorbis 1.0 as the + * most common case always returns "Xiph.Org libVorbis I 20020717". + */ + String vendorID() const; + + /*! + * Add the field specified by \a key with the data \a value. If \a replace + * is true, then all of the other fields with the same key will be removed + * first. + * + * If the field value is empty, the field will be removed. + */ + void addField(const String &key, const String &value, bool replace = true); + + /*! + * Remove the field specified by \a key with the data \a value. If + * \a value is null, all of the fields with the given key will be removed. + */ + void removeField(const String &key, const String &value = String::null); + + /*! + * Returns true if the field is contained within the comment. + * + * \note This is safer than checking for membership in the FieldListMap. + */ + bool contains(const String &key) const; + + /*! + * Renders the comment to a ByteVector suitable for inserting into a file. + */ + ByteVector render() const; // BIC: remove and merge with below + + /*! + * Renders the comment to a ByteVector suitable for inserting into a file. + * + * If \a addFramingBit is true the standard Vorbis comment framing bit will + * be appended. However some formats (notably FLAC) do not work with this + * in place. + */ + ByteVector render(bool addFramingBit) const; + + protected: + /*! + * Reads the tag from the file specified in the constructor and fills the + * FieldListMap. + */ + void parse(const ByteVector &data); + + private: + XiphComment(const XiphComment &); + XiphComment &operator=(const XiphComment &); + + class XiphCommentPrivate; + XiphCommentPrivate *d; + }; + } +} + +#endif diff --git a/libs/taglib/taglib/tag.cpp b/libs/taglib/taglib/tag.cpp new file mode 100644 index 0000000000..2917540a3e --- /dev/null +++ b/libs/taglib/taglib/tag.cpp @@ -0,0 +1,83 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include "tag.h" + +using namespace TagLib; + +class Tag::TagPrivate +{ + +}; + +Tag::Tag() +{ + +} + +Tag::~Tag() +{ + +} + +bool Tag::isEmpty() const +{ + return (title().isEmpty() && + artist().isEmpty() && + album().isEmpty() && + comment().isEmpty() && + genre().isEmpty() && + year() == 0 && + track() == 0); +} + +void Tag::duplicate(const Tag *source, Tag *target, bool overwrite) // static +{ + if(overwrite) { + target->setTitle(source->title()); + target->setArtist(source->artist()); + target->setAlbum(source->album()); + target->setComment(source->comment()); + target->setGenre(source->genre()); + target->setYear(source->year()); + target->setTrack(source->track()); + } + else { + if(target->title().isEmpty()) + target->setTitle(source->title()); + if(target->artist().isEmpty()) + target->setArtist(source->artist()); + if(target->album().isEmpty()) + target->setAlbum(source->album()); + if(target->comment().isEmpty()) + target->setComment(source->comment()); + if(target->genre().isEmpty()) + target->setGenre(source->genre()); + if(target->year() <= 0) + target->setYear(source->year()); + if(target->track() <= 0) + target->setTrack(source->track()); + } +} diff --git a/libs/taglib/taglib/tag.h b/libs/taglib/taglib/tag.h new file mode 100644 index 0000000000..6404a709cf --- /dev/null +++ b/libs/taglib/taglib/tag.h @@ -0,0 +1,173 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_TAG_H +#define TAGLIB_TAG_H + +#include "taglib_export.h" +#include "tstring.h" + +namespace TagLib { + + //! A simple, generic interface to common audio meta data fields + + /*! + * This is an attempt to abstract away the difference in the meta data formats + * of various audio codecs and tagging schemes. As such it is generally a + * subset of what is available in the specific formats but should be suitable + * for most applications. This is meant to compliment the generic APIs found + * in TagLib::AudioProperties, TagLib::File and TagLib::FileRef. + */ + + class TAGLIB_EXPORT Tag + { + public: + + /*! + * Detroys this Tag instance. + */ + virtual ~Tag(); + + /*! + * Returns the track name; if no track name is present in the tag + * String::null will be returned. + */ + virtual String title() const = 0; + + /*! + * Returns the artist name; if no artist name is present in the tag + * String::null will be returned. + */ + virtual String artist() const = 0; + + /*! + * Returns the album name; if no album name is present in the tag + * String::null will be returned. + */ + virtual String album() const = 0; + + /*! + * Returns the track comment; if no comment is present in the tag + * String::null will be returned. + */ + virtual String comment() const = 0; + + /*! + * Returns the genre name; if no genre is present in the tag String::null + * will be returned. + */ + virtual String genre() const = 0; + + /*! + * Returns the year; if there is no year set, this will return 0. + */ + virtual uint year() const = 0; + + /*! + * Returns the track number; if there is no track number set, this will + * return 0. + */ + virtual uint track() const = 0; + + /*! + * Sets the title to \a s. If \a s is String::null then this value will be + * cleared. + */ + virtual void setTitle(const String &s) = 0; + + /*! + * Sets the artist to \a s. If \a s is String::null then this value will be + * cleared. + */ + virtual void setArtist(const String &s) = 0; + + /*! + * Sets the album to \a s. If \a s is String::null then this value will be + * cleared. + */ + virtual void setAlbum(const String &s) = 0; + + /*! + * Sets the comment to \a s. If \a s is String::null then this value will be + * cleared. + */ + virtual void setComment(const String &s) = 0; + + /*! + * Sets the genre to \a s. If \a s is String::null then this value will be + * cleared. For tag formats that use a fixed set of genres, the appropriate + * value will be selected based on a string comparison. A list of available + * genres for those formats should be available in that type's + * implementation. + */ + virtual void setGenre(const String &s) = 0; + + /*! + * Sets the year to \a i. If \a s is 0 then this value will be cleared. + */ + virtual void setYear(uint i) = 0; + + /*! + * Sets the track to \a i. If \a s is 0 then this value will be cleared. + */ + virtual void setTrack(uint i) = 0; + + /*! + * Returns true if the tag does not contain any data. This should be + * reimplemented in subclasses that provide more than the basic tagging + * abilities in this class. + */ + virtual bool isEmpty() const; + + /*! + * Copies the generic data from one tag to another. + * + * \note This will no affect any of the lower level details of the tag. For + * instance if any of the tag type specific data (maybe a URL for a band) is + * set, this will not modify or copy that. This just copies using the API + * in this class. + * + * If \a overwrite is true then the values will be unconditionally copied. + * If false only empty values will be overwritten. + */ + static void duplicate(const Tag *source, Tag *target, bool overwrite = true); + + protected: + /*! + * Construct a Tag. This is protected since tags should only be instantiated + * through subclasses. + */ + Tag(); + + private: + Tag(const Tag &); + Tag &operator=(const Tag &); + + class TagPrivate; + TagPrivate *d; + }; +} + +#endif diff --git a/libs/taglib/taglib/taglib.pro b/libs/taglib/taglib/taglib.pro new file mode 100644 index 0000000000..66bf4d6cde --- /dev/null +++ b/libs/taglib/taglib/taglib.pro @@ -0,0 +1,218 @@ +###################################################################### +# Automatically generated by qmake (2.01a) Fri Feb 1 15:35:13 2008 +###################################################################### + +TEMPLATE = lib +CONFIG += lib_bundle +CONFIG += x86 ppc +CONFIG -= qt +DEFINES += HAVE_ZLIB=1 +LIBS += -lz +TARGET = TagLib +VERSION = 1.5 +DEPENDPATH += . \ + ape \ + flac \ + mpc \ + mpeg \ + ogg \ + ogg/speex \ + toolkit \ + trueaudio \ + wavpack \ + mpeg/id3v1 \ + mpeg/id3v2 \ + ogg/flac \ + ogg/vorbis \ + mpeg/id3v2/frames +INCLUDEPATH += . \ + toolkit \ + mpeg \ + ogg/vorbis \ + ogg \ + flac \ + ogg/flac \ + mpc \ + wavpack \ + ogg/speex \ + trueaudio \ + ape \ + mpeg/id3v2 \ + mpeg/id3v1 \ + mpeg/id3v2/frames + +# Input +HEADERS += audioproperties.h \ + fileref.h \ + tag.h \ + taglib_export.h \ + tagunion.h \ + ape/apefooter.h \ + ape/apeitem.h \ + ape/apetag.h \ + flac/flacfile.h \ + flac/flacproperties.h \ + mpc/mpcfile.h \ + mpc/mpcproperties.h \ + mpeg/mpegfile.h \ + mpeg/mpegheader.h \ + mpeg/mpegproperties.h \ + mpeg/xingheader.h \ + ogg/oggfile.h \ + ogg/oggpage.h \ + ogg/oggpageheader.h \ + ogg/xiphcomment.h \ + ogg/speex/speexfile.h \ + ogg/speex/speexproperties.h \ + toolkit/taglib.h \ + toolkit/tbytevector.h \ + toolkit/tbytevectorlist.h \ + toolkit/tdebug.h \ + toolkit/tfile.h \ + toolkit/tlist.h \ + toolkit/tmap.h \ + toolkit/tstring.h \ + toolkit/tstringlist.h \ + toolkit/unicode.h \ + trueaudio/trueaudiofile.h \ + trueaudio/trueaudioproperties.h \ + wavpack/wavpackfile.h \ + wavpack/wavpackproperties.h \ + mpeg/id3v1/id3v1genres.h \ + mpeg/id3v1/id3v1tag.h \ + mpeg/id3v2/id3v2extendedheader.h \ + mpeg/id3v2/id3v2footer.h \ + mpeg/id3v2/id3v2frame.h \ + mpeg/id3v2/id3v2framefactory.h \ + mpeg/id3v2/id3v2header.h \ + mpeg/id3v2/id3v2synchdata.h \ + mpeg/id3v2/id3v2tag.h \ + ogg/flac/oggflacfile.h \ + ogg/vorbis/vorbisfile.h \ + ogg/vorbis/vorbisproperties.h \ + mpeg/id3v2/frames/attachedpictureframe.h \ + mpeg/id3v2/frames/commentsframe.h \ + mpeg/id3v2/frames/generalencapsulatedobjectframe.h \ + mpeg/id3v2/frames/relativevolumeframe.h \ + mpeg/id3v2/frames/textidentificationframe.h \ + mpeg/id3v2/frames/uniquefileidentifierframe.h \ + mpeg/id3v2/frames/unknownframe.h \ + mpeg/id3v2/frames/unsynchronizedlyricsframe.h \ + mpeg/id3v2/frames/urllinkframe.h \ + toolkit/tlist.tcc \ + toolkit/tmap.tcc +SOURCES += audioproperties.cpp \ + fileref.cpp \ + tag.cpp \ + tagunion.cpp \ + ape/apefooter.cpp \ + ape/apeitem.cpp \ + ape/apetag.cpp \ + flac/flacfile.cpp \ + flac/flacproperties.cpp \ + mpc/mpcfile.cpp \ + mpc/mpcproperties.cpp \ + mpeg/mpegfile.cpp \ + mpeg/mpegheader.cpp \ + mpeg/mpegproperties.cpp \ + mpeg/xingheader.cpp \ + ogg/oggfile.cpp \ + ogg/oggpage.cpp \ + ogg/oggpageheader.cpp \ + ogg/xiphcomment.cpp \ + ogg/speex/speexfile.cpp \ + ogg/speex/speexproperties.cpp \ + toolkit/tbytevector.cpp \ + toolkit/tbytevectorlist.cpp \ + toolkit/tdebug.cpp \ + toolkit/tfile.cpp \ + toolkit/tstring.cpp \ + toolkit/tstringlist.cpp \ + toolkit/unicode.cpp \ + trueaudio/trueaudiofile.cpp \ + trueaudio/trueaudioproperties.cpp \ + wavpack/wavpackfile.cpp \ + wavpack/wavpackproperties.cpp \ + mpeg/id3v1/id3v1genres.cpp \ + mpeg/id3v1/id3v1tag.cpp \ + mpeg/id3v2/id3v2extendedheader.cpp \ + mpeg/id3v2/id3v2footer.cpp \ + mpeg/id3v2/id3v2frame.cpp \ + mpeg/id3v2/id3v2framefactory.cpp \ + mpeg/id3v2/id3v2header.cpp \ + mpeg/id3v2/id3v2synchdata.cpp \ + mpeg/id3v2/id3v2tag.cpp \ + ogg/flac/oggflacfile.cpp \ + ogg/vorbis/vorbisfile.cpp \ + ogg/vorbis/vorbisproperties.cpp \ + mpeg/id3v2/frames/attachedpictureframe.cpp \ + mpeg/id3v2/frames/commentsframe.cpp \ + mpeg/id3v2/frames/generalencapsulatedobjectframe.cpp \ + mpeg/id3v2/frames/relativevolumeframe.cpp \ + mpeg/id3v2/frames/textidentificationframe.cpp \ + mpeg/id3v2/frames/uniquefileidentifierframe.cpp \ + mpeg/id3v2/frames/unknownframe.cpp \ + mpeg/id3v2/frames/unsynchronizedlyricsframe.cpp \ + mpeg/id3v2/frames/urllinkframe.cpp + + FRAMEWORK_HEADERS.version = Versions + FRAMEWORK_HEADERS.files = \ + audioproperties.h \ + fileref.h \ + tag.h \ + taglib_export.h \ + ape/apefooter.h \ + ape/apeitem.h \ + ape/apetag.h \ + flac/flacfile.h \ + flac/flacproperties.h \ + mpc/mpcfile.h \ + mpc/mpcproperties.h \ + mpeg/mpegfile.h \ + mpeg/mpegheader.h \ + mpeg/mpegproperties.h \ + mpeg/xingheader.h \ + ogg/oggfile.h \ + ogg/oggpage.h \ + ogg/oggpageheader.h \ + ogg/xiphcomment.h \ + ogg/speex/speexfile.h \ + ogg/speex/speexproperties.h \ + toolkit/taglib.h \ + toolkit/tbytevector.h \ + toolkit/tbytevectorlist.h \ + toolkit/tfile.h \ + toolkit/tlist.h \ + toolkit/tmap.h \ + toolkit/tstring.h \ + toolkit/tstringlist.h \ + toolkit/unicode.h \ + trueaudio/trueaudiofile.h \ + trueaudio/trueaudioproperties.h \ + wavpack/wavpackfile.h \ + wavpack/wavpackproperties.h \ + mpeg/id3v1/id3v1genres.h \ + mpeg/id3v1/id3v1tag.h \ + mpeg/id3v2/id3v2extendedheader.h \ + mpeg/id3v2/id3v2footer.h \ + mpeg/id3v2/id3v2frame.h \ + mpeg/id3v2/id3v2framefactory.h \ + mpeg/id3v2/id3v2header.h \ + mpeg/id3v2/id3v2synchdata.h \ + mpeg/id3v2/id3v2tag.h \ + ogg/flac/oggflacfile.h \ + ogg/vorbis/vorbisfile.h \ + ogg/vorbis/vorbisproperties.h \ + mpeg/id3v2/frames/attachedpictureframe.h \ + mpeg/id3v2/frames/commentsframe.h \ + mpeg/id3v2/frames/generalencapsulatedobjectframe.h \ + mpeg/id3v2/frames/relativevolumeframe.h \ + mpeg/id3v2/frames/textidentificationframe.h \ + mpeg/id3v2/frames/uniquefileidentifierframe.h \ + mpeg/id3v2/frames/unknownframe.h \ + mpeg/id3v2/frames/unsynchronizedlyricsframe.h \ + mpeg/id3v2/frames/urllinkframe.h \ + toolkit/tlist.tcc \ + toolkit/tmap.tcc + FRAMEWORK_HEADERS.path = Headers + QMAKE_BUNDLE_DATA += FRAMEWORK_HEADERS diff --git a/libs/taglib/taglib/taglib_export.h b/libs/taglib/taglib/taglib_export.h new file mode 100644 index 0000000000..d14d69f0f1 --- /dev/null +++ b/libs/taglib/taglib/taglib_export.h @@ -0,0 +1,39 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_EXPORT_H +#define TAGLIB_EXPORT_H + +#if defined(_WIN32) || defined(_WIN64) +#ifdef MAKE_TAGLIB_LIB +#define TAGLIB_EXPORT __declspec(dllexport) +#else +#define TAGLIB_EXPORT __declspec(dllimport) +#endif +#else +#define TAGLIB_EXPORT +#endif + +#endif diff --git a/libs/taglib/taglib/tagunion.cpp b/libs/taglib/taglib/tagunion.cpp new file mode 100644 index 0000000000..08cc140833 --- /dev/null +++ b/libs/taglib/taglib/tagunion.cpp @@ -0,0 +1,185 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include "tagunion.h" + +using namespace TagLib; + +#define stringUnion(method) \ + if(tag(0) && !tag(0)->method().isEmpty()) \ + return tag(0)->method(); \ + if(tag(1) && !tag(1)->method().isEmpty()) \ + return tag(1)->method(); \ + if(tag(2) && !tag(2)->method().isEmpty()) \ + return tag(2)->method(); \ + return String::null \ + +#define numberUnion(method) \ + if(tag(0) && tag(0)->method() > 0) \ + return tag(0)->method(); \ + if(tag(1) && tag(1)->method() > 0) \ + return tag(1)->method(); \ + if(tag(2) && tag(2)->method() > 0) \ + return tag(2)->method(); \ + return 0 + +#define setUnion(method, value) \ + if(tag(0)) \ + tag(0)->set##method(value); \ + if(tag(1)) \ + tag(1)->set##method(value); \ + if(tag(2)) \ + tag(2)->set##method(value); \ + +class TagUnion::TagUnionPrivate +{ +public: + TagUnionPrivate() : tags(3, static_cast<Tag *>(0)) + { + + } + + ~TagUnionPrivate() + { + delete tags[0]; + delete tags[1]; + delete tags[2]; + } + + std::vector<Tag *> tags; +}; + +TagUnion::TagUnion(Tag *first, Tag *second, Tag *third) +{ + d = new TagUnionPrivate; + + d->tags[0] = first; + d->tags[1] = second; + d->tags[2] = third; +} + +TagUnion::~TagUnion() +{ + delete d; +} + +Tag *TagUnion::operator[](int index) const +{ + return tag(index); +} + +Tag *TagUnion::tag(int index) const +{ + return d->tags[index]; +} + +void TagUnion::set(int index, Tag *tag) +{ + delete d->tags[index]; + d->tags[index] = tag; +} + +String TagUnion::title() const +{ + stringUnion(title); +} + +String TagUnion::artist() const +{ + stringUnion(artist); +} + +String TagUnion::album() const +{ + stringUnion(album); +} + +String TagUnion::comment() const +{ + stringUnion(comment); +} + +String TagUnion::genre() const +{ + stringUnion(genre); +} + +TagLib::uint TagUnion::year() const +{ + numberUnion(year); +} + +TagLib::uint TagUnion::track() const +{ + numberUnion(track); +} + +void TagUnion::setTitle(const String &s) +{ + setUnion(Title, s); +} + +void TagUnion::setArtist(const String &s) +{ + setUnion(Artist, s); +} + +void TagUnion::setAlbum(const String &s) +{ + setUnion(Album, s); +} + +void TagUnion::setComment(const String &s) +{ + setUnion(Comment, s); +} + +void TagUnion::setGenre(const String &s) +{ + setUnion(Genre, s); +} + +void TagUnion::setYear(uint i) +{ + setUnion(Year, i); +} + +void TagUnion::setTrack(uint i) +{ + setUnion(Track, i); +} + +bool TagUnion::isEmpty() const +{ + if(d->tags[0] && !d->tags[0]->isEmpty()) + return false; + if(d->tags[1] && !d->tags[1]->isEmpty()) + return false; + if(d->tags[2] && !d->tags[2]->isEmpty()) + return false; + + return true; +} + diff --git a/libs/taglib/taglib/tagunion.h b/libs/taglib/taglib/tagunion.h new file mode 100644 index 0000000000..76d407ce32 --- /dev/null +++ b/libs/taglib/taglib/tagunion.h @@ -0,0 +1,95 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_TAGUNION_H +#define TAGLIB_TAGUNION_H + +#include "tag.h" + +#ifndef DO_NOT_DOCUMENT + +namespace TagLib { + + /*! + * \internal + */ + + class TagUnion : public Tag + { + public: + + enum AccessType { Read, Write }; + + /*! + * Creates a TagLib::Tag that is the union of \a first, \a second, and + * \a third. The TagUnion takes ownership of these tags and will handle + * their deletion. + */ + TagUnion(Tag *first = 0, Tag *second = 0, Tag *third = 0); + + virtual ~TagUnion(); + + Tag *operator[](int index) const; + Tag *tag(int index) const; + + void set(int index, Tag *tag); + + virtual String title() const; + virtual String artist() const; + virtual String album() const; + virtual String comment() const; + virtual String genre() const; + virtual uint year() const; + virtual uint track() const; + + virtual void setTitle(const String &s); + virtual void setArtist(const String &s); + virtual void setAlbum(const String &s); + virtual void setComment(const String &s); + virtual void setGenre(const String &s); + virtual void setYear(uint i); + virtual void setTrack(uint i); + virtual bool isEmpty() const; + + template <class T> T *access(int index, bool create) + { + if(!create || tag(index)) + return static_cast<T *>(tag(index)); + + set(index, new T); + return static_cast<T *>(tag(index)); + } + + private: + TagUnion(const Tag &); + TagUnion &operator=(const Tag &); + + class TagUnionPrivate; + TagUnionPrivate *d; + }; +} + +#endif +#endif diff --git a/libs/taglib/taglib/toolkit/CMakeLists.txt b/libs/taglib/taglib/toolkit/CMakeLists.txt new file mode 100644 index 0000000000..2e39d31ff6 --- /dev/null +++ b/libs/taglib/taglib/toolkit/CMakeLists.txt @@ -0,0 +1 @@ +INSTALL( FILES taglib.h tstring.h tlist.h tlist.tcc tstringlist.h tbytevector.h tbytevectorlist.h tfile.h tmap.h tmap.tcc DESTINATION ${INCLUDE_INSTALL_DIR}/taglib) diff --git a/libs/taglib/taglib/toolkit/Makefile.am b/libs/taglib/taglib/toolkit/Makefile.am new file mode 100644 index 0000000000..cabe1a2c04 --- /dev/null +++ b/libs/taglib/taglib/toolkit/Makefile.am @@ -0,0 +1,16 @@ +INCLUDES = \ + -I$(top_srcdir)/taglib \ + $(all_includes) + +noinst_LTLIBRARIES = libtoolkit.la + +libtoolkit_la_SOURCES = \ + tstring.cpp tstringlist.cpp tbytevector.cpp \ + tbytevectorlist.cpp tfile.cpp tdebug.cpp unicode.cpp + +taglib_include_HEADERS = \ + taglib.h tstring.h tlist.h tlist.tcc tstringlist.h \ + tbytevector.h tbytevectorlist.h tfile.h \ + tmap.h tmap.tcc + +taglib_includedir = $(includedir)/taglib diff --git a/libs/taglib/taglib/toolkit/Makefile.in b/libs/taglib/taglib/toolkit/Makefile.in new file mode 100644 index 0000000000..3175cbc3b7 --- /dev/null +++ b/libs/taglib/taglib/toolkit/Makefile.in @@ -0,0 +1,635 @@ +# Makefile.in generated by automake 1.10 from Makefile.am. +# KDE tags expanded automatically by am_edit - $Revision: 483858 $ +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +# This Makefile.in is free software; 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do \ + case '$(am__configure_deps)' in \ + *$$dep*) \ + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \ + && exit 0; \ + exit 1;; \ + esac; \ + done; \ + echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu taglib/toolkit/Makefile'; \ + cd $(top_srcdir) && \ + $(AUTOMAKE) --gnu taglib/toolkit/Makefile + cd $(top_srcdir) && perl admin/am_edit taglib/toolkit/Makefile.in + + +#>+ 21 +clean-bcheck: + rm -f *.bchecktest.cc *.bchecktest.cc.class a.out + +bcheck: bcheck-am + +bcheck-am: + @for i in $(taglib_include_HEADERS); do \ + if test $(srcdir)/$$i -nt $$i.bchecktest.cc; then \ + echo "int main() {return 0;}" > $$i.bchecktest.cc ; \ + echo "#include \"$$i\"" >> $$i.bchecktest.cc ; \ + echo "$$i"; \ + if ! $(CXXCOMPILE) --dump-class-hierarchy -c $$i.bchecktest.cc; then \ + rm -f $$i.bchecktest.cc; exit 1; \ + fi ; \ + echo "" >> $$i.bchecktest.cc.class; \ + perl $(top_srcdir)/admin/bcheck.pl $$i.bchecktest.cc.class || { rm -f $$i.bchecktest.cc; exit 1; }; \ + rm -f a.out; \ + fi ; \ + done + + +#>+ 11 +libtoolkit_la.all_cpp.cpp: $(srcdir)/Makefile.in $(srcdir)/tstring.cpp $(srcdir)/tstringlist.cpp $(srcdir)/tbytevector.cpp $(srcdir)/tbytevectorlist.cpp $(srcdir)/tfile.cpp $(srcdir)/tdebug.cpp $(srcdir)/unicode.cpp + @echo 'creating libtoolkit_la.all_cpp.cpp ...'; \ + rm -f libtoolkit_la.all_cpp.files libtoolkit_la.all_cpp.final; \ + echo "#define KDE_USE_FINAL 1" >> libtoolkit_la.all_cpp.final; \ + for file in tstring.cpp tstringlist.cpp tbytevector.cpp tbytevectorlist.cpp tfile.cpp tdebug.cpp unicode.cpp ; do \ + echo "#include \"$$file\"" >> libtoolkit_la.all_cpp.files; \ + test ! -f $(srcdir)/$$file || egrep '^#pragma +implementation' $(srcdir)/$$file >> libtoolkit_la.all_cpp.final; \ + done; \ + cat libtoolkit_la.all_cpp.final libtoolkit_la.all_cpp.files > libtoolkit_la.all_cpp.cpp; \ + rm -f libtoolkit_la.all_cpp.final libtoolkit_la.all_cpp.files + +#>+ 3 +clean-final: + -rm -f libtoolkit_la.all_cpp.cpp + +#>+ 3 +final: + $(MAKE) libtoolkit_la_OBJECTS="$(libtoolkit_la_final_OBJECTS)" all-am + +#>+ 3 +final-install: + $(MAKE) libtoolkit_la_OBJECTS="$(libtoolkit_la_final_OBJECTS)" install-am + +#>+ 3 +no-final: + $(MAKE) libtoolkit_la_OBJECTS="$(libtoolkit_la_nofinal_OBJECTS)" all-am + +#>+ 3 +no-final-install: + $(MAKE) libtoolkit_la_OBJECTS="$(libtoolkit_la_nofinal_OBJECTS)" install-am + +#>+ 3 +kde-rpo-clean: + -rm -f *.rpo + +#>+ 3 +nmcheck: +nmcheck-am: nmcheck diff --git a/libs/taglib/taglib/toolkit/taglib.h b/libs/taglib/taglib/toolkit/taglib.h new file mode 100644 index 0000000000..3a63cdb933 --- /dev/null +++ b/libs/taglib/taglib/toolkit/taglib.h @@ -0,0 +1,177 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_H +#define TAGLIB_H + +#define TAGLIB_MAJOR_VERSION 1 +#define TAGLIB_MINOR_VERSION 5 +#define TAGLIB_PATCH_VERSION 0 + +#include <string> + +//! A namespace for all TagLib related classes and functions + +/*! + * This namespace contains everything in TagLib. For projects working with + * TagLib extensively it may be conveniten to add a + * \code + * using namespace TagLib; + * \endcode + */ + +namespace TagLib { + + class String; + + typedef wchar_t wchar; + typedef unsigned char uchar; + typedef unsigned int uint; + typedef unsigned long ulong; + + /*! + * Unfortunately std::wstring isn't defined on some systems, (i.e. GCC < 3) + * so I'm providing something here that should be constant. + */ + typedef std::basic_string<wchar> wstring; + +#ifndef DO_NOT_DOCUMENT // Tell Doxygen to skip this class. + /*! + * \internal + * This is just used as a base class for shared classes in TagLib. + * + * \warning This <b>is not</b> part of the TagLib public API! + */ + + class RefCounter + { + public: + RefCounter() : refCount(1) {} + void ref() { refCount++; } + bool deref() { return ! --refCount ; } + int count() { return refCount; } + private: + uint refCount; + }; + +#endif // DO_NOT_DOCUMENT + +} + +/*! + * \mainpage TagLib + * + * \section intro Introduction + * + * TagLib is a library for reading and editing audio meta data, commonly know as \e tags. + * + * Features: + * - A clean, high level, C++ API to handling audio meta data. + * - Format specific APIs for advanced API users. + * - ID3v1, ID3v2, APE, FLAC and Xiph tag formats. + * - MP3, MPC, FLAC, Ogg FLAC, Ogg Vorbis and Speex file formats. + * - Basic audio file properties such as length, sample rate, etc. + * - Long term binary and source compatibility. + * - Extensible design, notably the ability to add other formats or extend current formats as a library user. + * - Full support for unicode and internationalized tags. + * - Dual <a href="http://www.mozilla.org/MPL/MPL-1.1.html">MPL</a> and + * <a href="http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html">LGPL</a> licenses. + * - No external toolkit dependancies. + * + * \section why Why TagLib? + * + * TagLib originally was written to provide an updated and improved ID3v2 implementation in C++ for use + * in a variety of Open Source projects. Since development began in 2002 and the 1.0 release in 2004 + * it has expanded to cover a wide variety of tag and file formats and is used in a wide variety of + * Open Source and proprietary applications. It now supports a variety of UNIXes, including Apple's OS + * X, as well as Microsoft Windows. + * + * \section commercial Usage in Commercial Applications + * + * TagLib's licenses \e do allow usage within propriety (\e closed) applications, however TagLib is \e not + * public domain. Please note the requirements of the LGPL or MPL, and adhere to at least one of them. + * In simple terms, you must at a minimum note your usage of TagLib, note the licensing terms of TagLib and + * if you make changes to TagLib publish them. Please review the licenses above before using TagLib in your + * software. Note that you may choose either the MPL or the LGPL, you do not have to fulfill the + * requirements of both. + * + * \section installing Installing TagLib + * + * Please see the <a href="http://developer.kde.org/~wheeler/taglib.html">TagLib website</a> for the latest + * downloads. + * + * Instructions for installing TagLib vary per platform, but generally speaking on UNIX standard configure and + * make commands are provided. TagLib installs a taglib-config and package-config file to make it easier to + * integrate into various build systems. Note that TagLib's include install directory \e must be included in + * the header include path. Simply adding <taglib/tag.h> will \e not work. + * + * On Windows, TagLib can be built using the CMake build systems. + * + * \section start Getting Started + * + * TagLib provides both simple, abstract APIs which make it possible to ignore the differences between tagging + * formats and format specific APIs which allow programmers to work with the features of specific tagging + * schemes. There is a similar abstraction mechanism for AudioProperties. + * + * The best place to start is with the <b>Class Hierarchy</b> linked at the top of the page. The File and + * AudioProperties classes and their subclasses are the core of TagLib. The FileRef class is also a convenient + * way for using a value-based handle. + * + * \note When working with FileRef please consider that it has only the most basic (extension-based) file + * type resolution. Please see its documentation on how to plug in more advanced file type resolution. (Such + * resolution may be part of later TagLib releases by default.) + * + * Here's a very simple example with TagLib: + * + * \code + * + * TagLib::FileRef f("Latex Solar Beef.mp3"); + * TagLib::String artist = f.tag()->artist(); // artist == "Frank Zappa" + * + * f.tag()->setAlbum("Fillmore East"); + * f.save(); + * + * TagLib::FileRef g("Free City Rhymes.ogg"); + * TagLib::String album = g.tag()->album(); // album == "NYC Ghosts & Flowers" + * + * g.tag()->setTrack(1); + * g.save(); + * + * \endcode + * + * More examples can be found in the \e examples directory of the source distribution. + * + * \section Contact + * + * Questions about TagLib should be directed to the TagLib mailing list, not directly to the author. + * + * - <a href="http://developer.kde.org/~wheeler/taglib/">TagLib Homepage</a> + * - <a href="https://mail.kde.org/mailman/listinfo/taglib-devel">TagLib Mailing List (taglib-devel@kde.org)</a> + * + * \author Scott Wheeler <wheeler@kde.org> et al. + * + */ + +#endif diff --git a/libs/taglib/taglib/toolkit/tbytevector.cpp b/libs/taglib/taglib/toolkit/tbytevector.cpp new file mode 100644 index 0000000000..59da5192eb --- /dev/null +++ b/libs/taglib/taglib/toolkit/tbytevector.cpp @@ -0,0 +1,677 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <iostream> + +#include <tstring.h> +#include <tdebug.h> + +#include <string.h> + +#include "tbytevector.h" + +// This is a bit ugly to keep writing over and over again. + +// A rather obscure feature of the C++ spec that I hadn't thought of that makes +// working with C libs much more effecient. There's more here: +// +// http://www.informit.com/isapi/product_id~{9C84DAB4-FE6E-49C5-BB0A-FB50331233EA}/content/index.asp + +#define DATA(x) (&(x->data[0])) + +namespace TagLib { + static const uint crcTable[256] = { + 0x00000000, 0x04c11db7, 0x09823b6e, 0x0d4326d9, 0x130476dc, 0x17c56b6b, + 0x1a864db2, 0x1e475005, 0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, 0x2b4bcb61, + 0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd, 0x4c11db70, 0x48d0c6c7, + 0x4593e01e, 0x4152fda9, 0x5f15adac, 0x5bd4b01b, 0x569796c2, 0x52568b75, + 0x6a1936c8, 0x6ed82b7f, 0x639b0da6, 0x675a1011, 0x791d4014, 0x7ddc5da3, + 0x709f7b7a, 0x745e66cd, 0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039, + 0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5, 0xbe2b5b58, 0xbaea46ef, + 0xb7a96036, 0xb3687d81, 0xad2f2d84, 0xa9ee3033, 0xa4ad16ea, 0xa06c0b5d, + 0xd4326d90, 0xd0f37027, 0xddb056fe, 0xd9714b49, 0xc7361b4c, 0xc3f706fb, + 0xceb42022, 0xca753d95, 0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1, + 0xe13ef6f4, 0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d, 0x34867077, 0x30476dc0, + 0x3d044b19, 0x39c556ae, 0x278206ab, 0x23431b1c, 0x2e003dc5, 0x2ac12072, + 0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16, 0x018aeb13, 0x054bf6a4, + 0x0808d07d, 0x0cc9cdca, 0x7897ab07, 0x7c56b6b0, 0x71159069, 0x75d48dde, + 0x6b93dddb, 0x6f52c06c, 0x6211e6b5, 0x66d0fb02, 0x5e9f46bf, 0x5a5e5b08, + 0x571d7dd1, 0x53dc6066, 0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba, + 0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e, 0xbfa1b04b, 0xbb60adfc, + 0xb6238b25, 0xb2e29692, 0x8aad2b2f, 0x8e6c3698, 0x832f1041, 0x87ee0df6, + 0x99a95df3, 0x9d684044, 0x902b669d, 0x94ea7b2a, 0xe0b41de7, 0xe4750050, + 0xe9362689, 0xedf73b3e, 0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2, + 0xc6bcf05f, 0xc27dede8, 0xcf3ecb31, 0xcbffd686, 0xd5b88683, 0xd1799b34, + 0xdc3abded, 0xd8fba05a, 0x690ce0ee, 0x6dcdfd59, 0x608edb80, 0x644fc637, + 0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb, 0x4f040d56, 0x4bc510e1, + 0x46863638, 0x42472b8f, 0x5c007b8a, 0x58c1663d, 0x558240e4, 0x51435d53, + 0x251d3b9e, 0x21dc2629, 0x2c9f00f0, 0x285e1d47, 0x36194d42, 0x32d850f5, + 0x3f9b762c, 0x3b5a6b9b, 0x0315d626, 0x07d4cb91, 0x0a97ed48, 0x0e56f0ff, + 0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623, 0xf12f560e, 0xf5ee4bb9, + 0xf8ad6d60, 0xfc6c70d7, 0xe22b20d2, 0xe6ea3d65, 0xeba91bbc, 0xef68060b, + 0xd727bbb6, 0xd3e6a601, 0xdea580d8, 0xda649d6f, 0xc423cd6a, 0xc0e2d0dd, + 0xcda1f604, 0xc960ebb3, 0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7, + 0xae3afba2, 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b, 0x9b3660c6, 0x9ff77d71, + 0x92b45ba8, 0x9675461f, 0x8832161a, 0x8cf30bad, 0x81b02d74, 0x857130c3, + 0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640, 0x4e8ee645, 0x4a4ffbf2, + 0x470cdd2b, 0x43cdc09c, 0x7b827d21, 0x7f436096, 0x7200464f, 0x76c15bf8, + 0x68860bfd, 0x6c47164a, 0x61043093, 0x65c52d24, 0x119b4be9, 0x155a565e, + 0x18197087, 0x1cd86d30, 0x029f3d35, 0x065e2082, 0x0b1d065b, 0x0fdc1bec, + 0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088, 0x2497d08d, 0x2056cd3a, + 0x2d15ebe3, 0x29d4f654, 0xc5a92679, 0xc1683bce, 0xcc2b1d17, 0xc8ea00a0, + 0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb, 0xdbee767c, 0xe3a1cbc1, 0xe760d676, + 0xea23f0af, 0xeee2ed18, 0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4, + 0x89b8fd09, 0x8d79e0be, 0x803ac667, 0x84fbdbd0, 0x9abc8bd5, 0x9e7d9662, + 0x933eb0bb, 0x97ffad0c, 0xafb010b1, 0xab710d06, 0xa6322bdf, 0xa2f33668, + 0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4 + }; + + /*! + * A templatized KMP find that works both with a ByteVector and a ByteVectorMirror. + */ + + template <class Vector> + int vectorFind(const Vector &v, const Vector &pattern, uint offset, int byteAlign) + { + if(pattern.size() > v.size() || offset > v.size() - 1) + return -1; + + // Let's go ahead and special case a pattern of size one since that's common + // and easy to make fast. + + if(pattern.size() == 1) { + char p = pattern[0]; + for(uint i = offset; i < v.size(); i++) { + if(v[i] == p && (i - offset) % byteAlign == 0) + return i; + } + return -1; + } + + uchar lastOccurrence[256]; + + for(uint i = 0; i < 256; ++i) + lastOccurrence[i] = uchar(pattern.size()); + + for(uint i = 0; i < pattern.size() - 1; ++i) + lastOccurrence[uchar(pattern[i])] = uchar(pattern.size() - i - 1); + + for(uint i = pattern.size() - 1 + offset; i < v.size(); i += lastOccurrence[uchar(v.at(i))]) { + int iBuffer = i; + int iPattern = pattern.size() - 1; + + while(iPattern >= 0 && v.at(iBuffer) == pattern[iPattern]) { + --iBuffer; + --iPattern; + } + + if(-1 == iPattern && (iBuffer + 1 - offset) % byteAlign == 0) + return iBuffer + 1; + } + + return -1; + } + + /*! + * Wraps the accessors to a ByteVector to make the search algorithm access the + * elements in reverse. + * + * \see vectorFind() + * \see ByteVector::rfind() + */ + + class ByteVectorMirror + { + public: + ByteVectorMirror(const ByteVector &source) : v(source) {} + + const char operator[](int index) const + { + return v[v.size() - index - 1]; + } + + const char at(int index) const + { + return v.at(v.size() - index - 1); + } + + ByteVectorMirror mid(uint index, uint length = 0xffffffff) const + { + return length == 0xffffffff ? v.mid(0, index) : v.mid(index - length, length); + } + + uint size() const + { + return v.size(); + } + + int find(const ByteVectorMirror &pattern, uint offset = 0, int byteAlign = 1) const + { + ByteVectorMirror v(*this); + + if(offset > 0) { + offset = size() - offset - pattern.size(); + if(offset >= size()) + offset = 0; + } + + const int pos = vectorFind<ByteVectorMirror>(v, pattern, offset, byteAlign); + + // If the offset is zero then we need to adjust the location in the search + // to be appropriately reversed. If not we need to account for the fact + // that the recursive call (called from the above line) has already ajusted + // for this but that the normal templatized find above will add the offset + // to the returned value. + // + // This is a little confusing at first if you don't first stop to think + // through the logic involved in the forward search. + + if(pos == -1) + return -1; + + return size() - pos - pattern.size(); + } + + private: + const ByteVector &v; + }; + + template <class T> + T toNumber(const std::vector<char> &data, bool mostSignificantByteFirst) + { + T sum = 0; + + if(data.size() <= 0) { + debug("ByteVectorMirror::toNumber<T>() -- data is empty, returning 0"); + return sum; + } + + uint size = sizeof(T); + uint last = data.size() > size ? size - 1 : data.size() - 1; + + for(uint i = 0; i <= last; i++) + sum |= (T) uchar(data[i]) << ((mostSignificantByteFirst ? last - i : i) * 8); + + return sum; + } + + template <class T> + ByteVector fromNumber(T value, bool mostSignificantByteFirst) + { + int size = sizeof(T); + + ByteVector v(size, 0); + + for(int i = 0; i < size; i++) + v[i] = uchar(value >> ((mostSignificantByteFirst ? size - 1 - i : i) * 8) & 0xff); + + return v; + } +} + +using namespace TagLib; + +class ByteVector::ByteVectorPrivate : public RefCounter +{ +public: + ByteVectorPrivate() : RefCounter(), size(0) {} + ByteVectorPrivate(const std::vector<char> &v) : RefCounter(), data(v), size(v.size()) {} + ByteVectorPrivate(TagLib::uint len, char value) : RefCounter(), data(len, value), size(len) {} + + std::vector<char> data; + + // std::vector<T>::size() is very slow, so we'll cache the value + + uint size; +}; + +//////////////////////////////////////////////////////////////////////////////// +// static members +//////////////////////////////////////////////////////////////////////////////// + +ByteVector ByteVector::null; + +ByteVector ByteVector::fromCString(const char *s, uint length) +{ + ByteVector v; + + if(length == 0xffffffff) + v.setData(s); + else + v.setData(s, length); + + return v; +} + +ByteVector ByteVector::fromUInt(uint value, bool mostSignificantByteFirst) +{ + return fromNumber<uint>(value, mostSignificantByteFirst); +} + +ByteVector ByteVector::fromShort(short value, bool mostSignificantByteFirst) +{ + return fromNumber<short>(value, mostSignificantByteFirst); +} + +ByteVector ByteVector::fromLongLong(long long value, bool mostSignificantByteFirst) +{ + return fromNumber<long long>(value, mostSignificantByteFirst); +} + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +ByteVector::ByteVector() +{ + d = new ByteVectorPrivate; +} + +ByteVector::ByteVector(uint size, char value) +{ + d = new ByteVectorPrivate(size, value); +} + +ByteVector::ByteVector(const ByteVector &v) : d(v.d) +{ + d->ref(); +} + +ByteVector::ByteVector(char c) +{ + d = new ByteVectorPrivate; + d->data.push_back(c); + d->size = 1; +} + +ByteVector::ByteVector(const char *data, uint length) +{ + d = new ByteVectorPrivate; + setData(data, length); +} + +ByteVector::ByteVector(const char *data) +{ + d = new ByteVectorPrivate; + setData(data); +} + +ByteVector::~ByteVector() +{ + if(d->deref()) + delete d; +} + +ByteVector &ByteVector::setData(const char *data, uint length) +{ + detach(); + + resize(length); + + if(length > 0) + ::memcpy(DATA(d), data, length); + + return *this; +} + +ByteVector &ByteVector::setData(const char *data) +{ + return setData(data, ::strlen(data)); +} + +char *ByteVector::data() +{ + detach(); + return size() > 0 ? DATA(d) : 0; +} + +const char *ByteVector::data() const +{ + return size() > 0 ? DATA(d) : 0; +} + +ByteVector ByteVector::mid(uint index, uint length) const +{ + ByteVector v; + + if(index > size()) + return v; + + ConstIterator endIt; + + if(length < 0xffffffff && length + index < size()) + endIt = d->data.begin() + index + length; + else + endIt = d->data.end(); + + v.d->data.insert(v.d->data.begin(), ConstIterator(d->data.begin() + index), endIt); + v.d->size = v.d->data.size(); + + return v; +} + +char ByteVector::at(uint index) const +{ + return index < size() ? d->data[index] : 0; +} + +int ByteVector::find(const ByteVector &pattern, uint offset, int byteAlign) const +{ + return vectorFind<ByteVector>(*this, pattern, offset, byteAlign); +} + +int ByteVector::rfind(const ByteVector &pattern, uint offset, int byteAlign) const +{ + // Ok, this is a little goofy, but pretty cool after it sinks in. Instead of + // reversing the find method's Boyer-Moore search algorithm I created a "mirror" + // for a ByteVector to reverse the behavior of the accessors. + + ByteVectorMirror v(*this); + ByteVectorMirror p(pattern); + + return v.find(p, offset, byteAlign); +} + +bool ByteVector::containsAt(const ByteVector &pattern, uint offset, uint patternOffset, uint patternLength) const +{ + if(pattern.size() < patternLength) + patternLength = pattern.size(); + + // do some sanity checking -- all of these things are needed for the search to be valid + + if(patternLength > size() || offset >= size() || patternOffset >= pattern.size() || patternLength == 0) + return false; + + // loop through looking for a mismatch + + for(uint i = 0; i < patternLength - patternOffset; i++) { + if(at(i + offset) != pattern[i + patternOffset]) + return false; + } + + return true; +} + +bool ByteVector::startsWith(const ByteVector &pattern) const +{ + return containsAt(pattern, 0); +} + +bool ByteVector::endsWith(const ByteVector &pattern) const +{ + return containsAt(pattern, size() - pattern.size()); +} + +ByteVector &ByteVector::replace(const ByteVector &pattern, const ByteVector &with) +{ + if(pattern.size() == 0 || pattern.size() > size()) + return *this; + + const int patternSize = pattern.size(); + const int withSize = with.size(); + + int offset = find(pattern); + + while(offset >= 0) { + + const int originalSize = size(); + + if(withSize > patternSize) + resize(originalSize + withSize - patternSize); + + if(patternSize != withSize) + ::memcpy(data() + offset + withSize, mid(offset + patternSize).data(), originalSize - offset - patternSize); + + if(withSize < patternSize) + resize(originalSize + withSize - patternSize); + + ::memcpy(data() + offset, with.data(), withSize); + + offset = find(pattern, offset + withSize); + } + + return *this; +} + +int ByteVector::endsWithPartialMatch(const ByteVector &pattern) const +{ + if(pattern.size() > size()) + return -1; + + const int startIndex = size() - pattern.size(); + + // try to match the last n-1 bytes from the vector (where n is the pattern + // size) -- continue trying to match n-2, n-3...1 bytes + + for(uint i = 1; i < pattern.size(); i++) { + if(containsAt(pattern, startIndex + i, 0, pattern.size() - i)) + return startIndex + i; + } + + return -1; +} + +ByteVector &ByteVector::append(const ByteVector &v) +{ + if(v.d->size == 0) + return *this; // Simply return if appending nothing. + + detach(); + + uint originalSize = d->size; + resize(d->size + v.d->size); + ::memcpy(DATA(d) + originalSize, DATA(v.d), v.size()); + + return *this; +} + +ByteVector &ByteVector::clear() +{ + detach(); + d->data.clear(); + d->size = 0; + + return *this; +} + +TagLib::uint ByteVector::size() const +{ + return d->size; +} + +ByteVector &ByteVector::resize(uint size, char padding) +{ + if(d->size < size) { + d->data.reserve(size); + d->data.insert(d->data.end(), size - d->size, padding); + } + else + d->data.erase(d->data.begin() + size, d->data.end()); + + d->size = size; + + return *this; +} + +ByteVector::Iterator ByteVector::begin() +{ + return d->data.begin(); +} + +ByteVector::ConstIterator ByteVector::begin() const +{ + return d->data.begin(); +} + +ByteVector::Iterator ByteVector::end() +{ + return d->data.end(); +} + +ByteVector::ConstIterator ByteVector::end() const +{ + return d->data.end(); +} + +bool ByteVector::isNull() const +{ + return d == null.d; +} + +bool ByteVector::isEmpty() const +{ + return d->data.size() == 0; +} + +TagLib::uint ByteVector::checksum() const +{ + uint sum = 0; + for(ByteVector::ConstIterator it = begin(); it != end(); ++it) + sum = (sum << 8) ^ crcTable[((sum >> 24) & 0xff) ^ uchar(*it)]; + return sum; +} + +TagLib::uint ByteVector::toUInt(bool mostSignificantByteFirst) const +{ + return toNumber<uint>(d->data, mostSignificantByteFirst); +} + +short ByteVector::toShort(bool mostSignificantByteFirst) const +{ + return toNumber<unsigned short>(d->data, mostSignificantByteFirst); +} + +long long ByteVector::toLongLong(bool mostSignificantByteFirst) const +{ + return toNumber<unsigned long long>(d->data, mostSignificantByteFirst); +} + +const char &ByteVector::operator[](int index) const +{ + return d->data[index]; +} + +char &ByteVector::operator[](int index) +{ + detach(); + + return d->data[index]; +} + +bool ByteVector::operator==(const ByteVector &v) const +{ + if(d->size != v.d->size) + return false; + + return ::memcmp(data(), v.data(), size()) == 0; +} + +bool ByteVector::operator!=(const ByteVector &v) const +{ + return !operator==(v); +} + +bool ByteVector::operator==(const char *s) const +{ + if(d->size != ::strlen(s)) + return false; + + return ::memcmp(data(), s, d->size) == 0; +} + +bool ByteVector::operator!=(const char *s) const +{ + return !operator==(s); +} + +bool ByteVector::operator<(const ByteVector &v) const +{ + int result = ::memcmp(data(), v.data(), d->size < v.d->size ? d->size : v.d->size); + + if(result != 0) + return result < 0; + else + return size() < v.size(); +} + +bool ByteVector::operator>(const ByteVector &v) const +{ + return v < *this; +} + +ByteVector ByteVector::operator+(const ByteVector &v) const +{ + ByteVector sum(*this); + sum.append(v); + return sum; +} + +ByteVector &ByteVector::operator=(const ByteVector &v) +{ + if(&v == this) + return *this; + + if(d->deref()) + delete d; + + d = v.d; + d->ref(); + return *this; +} + +ByteVector &ByteVector::operator=(char c) +{ + *this = ByteVector(c); + return *this; +} + +ByteVector &ByteVector::operator=(const char *data) +{ + *this = ByteVector(data); + return *this; +} + +//////////////////////////////////////////////////////////////////////////////// +// protected members +//////////////////////////////////////////////////////////////////////////////// + +void ByteVector::detach() +{ + if(d->count() > 1) { + d->deref(); + d = new ByteVectorPrivate(d->data); + } +} + +//////////////////////////////////////////////////////////////////////////////// +// related functions +//////////////////////////////////////////////////////////////////////////////// + +std::ostream &operator<<(std::ostream &s, const ByteVector &v) +{ + for(TagLib::uint i = 0; i < v.size(); i++) + s << v[i]; + return s; +} diff --git a/libs/taglib/taglib/toolkit/tbytevector.h b/libs/taglib/taglib/toolkit/tbytevector.h new file mode 100644 index 0000000000..66a424eac7 --- /dev/null +++ b/libs/taglib/taglib/toolkit/tbytevector.h @@ -0,0 +1,409 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_BYTEVECTOR_H +#define TAGLIB_BYTEVECTOR_H + +#include "taglib.h" +#include "taglib_export.h" + +#include <vector> +#include <ostream> + +namespace TagLib { + + //! A byte vector + + /*! + * This class provides a byte vector with some methods that are useful for + * tagging purposes. Many of the search functions are tailored to what is + * useful for finding tag related paterns in a data array. + */ + + class TAGLIB_EXPORT ByteVector + { + public: +#ifndef DO_NOT_DOCUMENT + typedef std::vector<char>::iterator Iterator; + typedef std::vector<char>::const_iterator ConstIterator; +#endif + + /*! + * Constructs an empty byte vector. + */ + ByteVector(); + + /*! + * Construct a vector of size \a size with all values set to \a value by + * default. + */ + ByteVector(uint size, char value = 0); + + /*! + * Contructs a byte vector that is a copy of \a v. + */ + ByteVector(const ByteVector &v); + + /*! + * Contructs a byte vector that contains \a c. + */ + ByteVector(char c); + + /*! + * Constructs a byte vector that copies \a data for up to \a length bytes. + */ + ByteVector(const char *data, uint length); + + /*! + * Constructs a byte vector that copies \a data up to the first null + * byte. The behavior is undefined if \a data is not null terminated. + * This is particularly useful for constructing byte arrays from string + * constants. + */ + ByteVector(const char *data); + + /*! + * Destroys this ByteVector instance. + */ + virtual ~ByteVector(); + + /*! + * Sets the data for the byte array using the first \a length bytes of \a data + */ + ByteVector &setData(const char *data, uint length); + + /*! + * Sets the data for the byte array copies \a data up to the first null + * byte. The behavior is undefined if \a data is not null terminated. + */ + ByteVector &setData(const char *data); + + /*! + * Returns a pointer to the internal data structure. + * + * \warning Care should be taken when modifying this data structure as it is + * easy to corrupt the ByteVector when doing so. Specifically, while the + * data may be changed, its length may not be. + */ + char *data(); + + /*! + * Returns a pointer to the internal data structure which may not be modified. + */ + const char *data() const; + + /*! + * Returns a byte vector made up of the bytes starting at \a index and + * for \a length bytes. If \a length is not specified it will return the bytes + * from \a index to the end of the vector. + */ + ByteVector mid(uint index, uint length = 0xffffffff) const; + + /*! + * This essentially performs the same as operator[](), but instead of causing + * a runtime error if the index is out of bounds, it will return a null byte. + */ + char at(uint index) const; + + /*! + * Searches the ByteVector for \a pattern starting at \a offset and returns + * the offset. Returns -1 if the pattern was not found. If \a byteAlign is + * specified the pattern will only be matched if it starts on a byte divisible + * by \a byteAlign (starting from \a offset). + */ + int find(const ByteVector &pattern, uint offset = 0, int byteAlign = 1) const; + + /*! + * Searches the ByteVector for \a pattern starting from either the end of the + * vector or \a offset and returns the offset. Returns -1 if the pattern was + * not found. If \a byteAlign is specified the pattern will only be matched + * if it starts on a byte divisible by \a byteAlign (starting from \a offset). + */ + int rfind(const ByteVector &pattern, uint offset = 0, int byteAlign = 1) const; + + /*! + * Checks to see if the vector contains the \a pattern starting at position + * \a offset. Optionally, if you only want to search for part of the pattern + * you can specify an offset within the pattern to start from. Also, you can + * specify to only check for the first \a patternLength bytes of \a pattern with + * the \a patternLength argument. + */ + bool containsAt(const ByteVector &pattern, uint offset, uint patternOffset = 0, uint patternLength = 0xffffffff) const; + + /*! + * Returns true if the vector starts with \a pattern. + */ + bool startsWith(const ByteVector &pattern) const; + + /*! + * Returns true if the vector ends with \a pattern. + */ + bool endsWith(const ByteVector &pattern) const; + + /*! + * Replaces \a pattern with \a with and returns a reference to the ByteVector + * after the operation. This \e does modify the vector. + */ + ByteVector &replace(const ByteVector &pattern, const ByteVector &with); + + /*! + * Checks for a partial match of \a pattern at the end of the vector. It + * returns the offset of the partial match within the vector, or -1 if the + * pattern is not found. This method is particularly useful when searching for + * patterns that start in one vector and end in another. When combined with + * startsWith() it can be used to find a pattern that overlaps two buffers. + * + * \note This will not match the complete pattern at the end of the string; use + * endsWith() for that. + */ + int endsWithPartialMatch(const ByteVector &pattern) const; + + /*! + * Appends \a v to the end of the ByteVector. + */ + ByteVector &append(const ByteVector &v); + + /*! + * Clears the data. + */ + ByteVector &clear(); + + /*! + * Returns the size of the array. + */ + uint size() const; + + /*! + * Resize the vector to \a size. If the vector is currently less than + * \a size, pad the remaining spaces with \a padding. Returns a reference + * to the resized vector. + */ + ByteVector &resize(uint size, char padding = 0); + + /*! + * Returns an Iterator that points to the front of the vector. + */ + Iterator begin(); + + /*! + * Returns a ConstIterator that points to the front of the vector. + */ + ConstIterator begin() const; + + /*! + * Returns an Iterator that points to the back of the vector. + */ + Iterator end(); + + /*! + * Returns a ConstIterator that points to the back of the vector. + */ + ConstIterator end() const; + + /*! + * Returns true if the vector is null. + * + * \note A vector may be empty without being null. + * \see isEmpty() + */ + bool isNull() const; + + /*! + * Returns true if the ByteVector is empty. + * + * \see size() + * \see isNull() + */ + bool isEmpty() const; + + /*! + * Returns a CRC checksum of the byte vector's data. + */ + uint checksum() const; + + /*! + * Converts the first 4 bytes of the vector to an unsigned integer. + * + * If \a mostSignificantByteFirst is true this will operate left to right + * evaluating the integer. For example if \a mostSignificantByteFirst is + * true then $00 $00 $00 $01 == 0x00000001 == 1, if false, $01 00 00 00 == + * 0x01000000 == 1. + * + * \see fromUInt() + */ + uint toUInt(bool mostSignificantByteFirst = true) const; + + /*! + * Converts the first 2 bytes of the vector to a short. + * + * If \a mostSignificantByteFirst is true this will operate left to right + * evaluating the integer. For example if \a mostSignificantByteFirst is + * true then $00 $01 == 0x0001 == 1, if false, $01 00 == 0x01000000 == 1. + * + * \see fromShort() + */ + short toShort(bool mostSignificantByteFirst = true) const; + + /*! + * Converts the first 8 bytes of the vector to a (signed) long long. + * + * If \a mostSignificantByteFirst is true this will operate left to right + * evaluating the integer. For example if \a mostSignificantByteFirst is + * true then $00 00 00 00 00 00 00 01 == 0x0000000000000001 == 1, + * if false, $01 00 00 00 00 00 00 00 == 0x0100000000000000 == 1. + * + * \see fromUInt() + */ + long long toLongLong(bool mostSignificantByteFirst = true) const; + + /*! + * Creates a 4 byte ByteVector based on \a value. If + * \a mostSignificantByteFirst is true, then this will operate left to right + * in building the ByteVector. For example if \a mostSignificantByteFirst is + * true then $00 00 00 01 == 0x00000001 == 1, if false, $01 00 00 00 == + * 0x01000000 == 1. + * + * \see toUInt() + */ + static ByteVector fromUInt(uint value, bool mostSignificantByteFirst = true); + + /*! + * Creates a 2 byte ByteVector based on \a value. If + * \a mostSignificantByteFirst is true, then this will operate left to right + * in building the ByteVector. For example if \a mostSignificantByteFirst is + * true then $00 01 == 0x0001 == 1, if false, $01 00 == 0x0100 == 1. + * + * \see toShort() + */ + static ByteVector fromShort(short value, bool mostSignificantByteFirst = true); + + /*! + * Creates a 8 byte ByteVector based on \a value. If + * \a mostSignificantByteFirst is true, then this will operate left to right + * in building the ByteVector. For example if \a mostSignificantByteFirst is + * true then $00 00 00 01 == 0x0000000000000001 == 1, if false, + * $01 00 00 00 00 00 00 00 == 0x0100000000000000 == 1. + * + * \see toLongLong() + */ + static ByteVector fromLongLong(long long value, bool mostSignificantByteFirst = true); + + /*! + * Returns a ByteVector based on the CString \a s. + */ + static ByteVector fromCString(const char *s, uint length = 0xffffffff); + + /*! + * Returns a const refernence to the byte at \a index. + */ + const char &operator[](int index) const; + + /*! + * Returns a reference to the byte at \a index. + */ + char &operator[](int index); + + /*! + * Returns true if this ByteVector and \a v are equal. + */ + bool operator==(const ByteVector &v) const; + + /*! + * Returns true if this ByteVector and \a v are not equal. + */ + bool operator!=(const ByteVector &v) const; + + /*! + * Returns true if this ByteVector and the null terminated C string \a s + * contain the same data. + */ + bool operator==(const char *s) const; + + /*! + * Returns true if this ByteVector and the null terminated C string \a s + * do not contain the same data. + */ + bool operator!=(const char *s) const; + + /*! + * Returns true if this ByteVector is less than \a v. The value of the + * vectors is determined by evaluating the character from left to right, and + * in the event one vector is a superset of the other, the size is used. + */ + bool operator<(const ByteVector &v) const; + + /*! + * Returns true if this ByteVector is greater than \a v. + */ + bool operator>(const ByteVector &v) const; + + /*! + * Returns a vector that is \a v appended to this vector. + */ + ByteVector operator+(const ByteVector &v) const; + + /*! + * Copies ByteVector \a v. + */ + ByteVector &operator=(const ByteVector &v); + + /*! + * Copies ByteVector \a v. + */ + ByteVector &operator=(char c); + + /*! + * Copies ByteVector \a v. + */ + ByteVector &operator=(const char *data); + + /*! + * A static, empty ByteVector which is convenient and fast (since returning + * an empty or "null" value does not require instantiating a new ByteVector). + */ + static ByteVector null; + + protected: + /* + * If this ByteVector is being shared via implicit sharing, do a deep copy + * of the data and separate from the shared members. This should be called + * by all non-const subclass members. + */ + void detach(); + + private: + class ByteVectorPrivate; + ByteVectorPrivate *d; + }; + +} + +/*! + * \relates TagLib::ByteVector + * Streams the ByteVector \a v to the output stream \a s. + */ +TAGLIB_EXPORT std::ostream &operator<<(std::ostream &s, const TagLib::ByteVector &v); + +#endif diff --git a/libs/taglib/taglib/toolkit/tbytevectorlist.cpp b/libs/taglib/taglib/toolkit/tbytevectorlist.cpp new file mode 100644 index 0000000000..71d6f69d14 --- /dev/null +++ b/libs/taglib/taglib/toolkit/tbytevectorlist.cpp @@ -0,0 +1,102 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include "tbytevectorlist.h" + +using namespace TagLib; + +class ByteVectorListPrivate +{ + +}; + +//////////////////////////////////////////////////////////////////////////////// +// static members +//////////////////////////////////////////////////////////////////////////////// + +ByteVectorList ByteVectorList::split(const ByteVector &v, const ByteVector &pattern, + int byteAlign) +{ + return split(v, pattern, byteAlign, 0); +} + +ByteVectorList ByteVectorList::split(const ByteVector &v, const ByteVector &pattern, + int byteAlign, int max) +{ + ByteVectorList l; + + uint previousOffset = 0; + for(int offset = v.find(pattern, 0, byteAlign); + offset != -1 && (max == 0 || max > int(l.size()) + 1); + offset = v.find(pattern, offset + pattern.size(), byteAlign)) + { + if(offset - previousOffset > 1) + l.append(v.mid(previousOffset, offset - previousOffset)); + else + l.append(ByteVector::null); + + previousOffset = offset + pattern.size(); + } + + if(previousOffset < v.size()) + l.append(v.mid(previousOffset, v.size() - previousOffset)); + + return l; +} + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +ByteVectorList::ByteVectorList() : List<ByteVector>() +{ + +} + +ByteVectorList::ByteVectorList(const ByteVectorList &l) : List<ByteVector>(l) +{ + +} + +ByteVectorList::~ByteVectorList() +{ + +} + +ByteVector ByteVectorList::toByteVector(const ByteVector &separator) const +{ + ByteVector v; + + ConstIterator it = begin(); + + while(it != end()) { + v.append(*it); + it++; + if(it != end()) + v.append(separator); + } + + return v; +} diff --git a/libs/taglib/taglib/toolkit/tbytevectorlist.h b/libs/taglib/taglib/toolkit/tbytevectorlist.h new file mode 100644 index 0000000000..8d8471023d --- /dev/null +++ b/libs/taglib/taglib/toolkit/tbytevectorlist.h @@ -0,0 +1,91 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_BYTEVECTORLIST_H +#define TAGLIB_BYTEVECTORLIST_H + +#include "taglib_export.h" +#include "tbytevector.h" +#include "tlist.h" + +namespace TagLib { + + //! A list of ByteVectors + + /*! + * A List specialization with some handy features useful for ByteVectors. + */ + + class TAGLIB_EXPORT ByteVectorList : public List<ByteVector> + { + public: + + /*! + * Construct an empty ByteVectorList. + */ + ByteVectorList(); + + /*! + * Destroys this ByteVectorList instance. + */ + virtual ~ByteVectorList(); + + /*! + * Make a shallow, implicitly shared, copy of \a l. Because this is + * implicitly shared, this method is lightweight and suitable for + * pass-by-value usage. + */ + ByteVectorList(const ByteVectorList &l); + + /*! + * Convert the ByteVectorList to a ByteVector separated by \a separator. By + * default a space is used. + */ + ByteVector toByteVector(const ByteVector &separator = " ") const; + + /*! + * Splits the ByteVector \a v into several strings at \a pattern. This will + * not include the pattern in the returned ByteVectors. + */ + static ByteVectorList split(const ByteVector &v, const ByteVector &pattern, + int byteAlign = 1); + /*! + * Splits the ByteVector \a v into several strings at \a pattern. This will + * not include the pattern in the returned ByteVectors. \a max is the + * maximum number of entries that will be separated. If \a max for instance + * is 2 then a maximum of 1 match will be found and the vector will be split + * on that match. + */ + // BIC: merge with the function above + static ByteVectorList split(const ByteVector &v, const ByteVector &pattern, + int byteAlign, int max); + private: + class ByteVectorListPrivate; + ByteVectorListPrivate *d; + }; + +} + +#endif diff --git a/libs/taglib/taglib/toolkit/tdebug.cpp b/libs/taglib/taglib/toolkit/tdebug.cpp new file mode 100644 index 0000000000..341bb37566 --- /dev/null +++ b/libs/taglib/taglib/toolkit/tdebug.cpp @@ -0,0 +1,55 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <iostream> +#include <bitset> + +#include "tdebug.h" +#include "tstring.h" + +using namespace TagLib; + +#ifndef NDEBUG +void TagLib::debug(const String &s) +{ + std::cerr << "TagLib: " << s << std::endl; +} + +void TagLib::debugData(const ByteVector &v) +{ + for(uint i = 0; i < v.size(); i++) { + + std::cout << "*** [" << i << "] - '" << char(v[i]) << "' - int " << int(v[i]) + << std::endl; + + std::bitset<8> b(v[i]); + + for(int j = 0; j < 8; j++) + std::cout << i << ":" << j << " " << b.test(j) << std::endl; + + std::cout << std::endl; + } +} +#endif diff --git a/libs/taglib/taglib/toolkit/tdebug.h b/libs/taglib/taglib/toolkit/tdebug.h new file mode 100644 index 0000000000..a932b26654 --- /dev/null +++ b/libs/taglib/taglib/toolkit/tdebug.h @@ -0,0 +1,71 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_DEBUG_H +#define TAGLIB_DEBUG_H + +namespace TagLib { + + class String; + class ByteVector; + +#ifndef DO_NOT_DOCUMENT +#ifndef NDEBUG + + /*! + * A simple function that prints debugging output to cerr if debugging is + * not disabled. + * + * \warning Do not use this outside of TagLib, it could lead to undefined + * symbols in your build if TagLib is built with NDEBUG defined and your + * application is not. + * + * \internal + */ + void debug(const String &s); + + /*! + * For debugging binary data. + * + * \warning Do not use this outside of TagLib, it could lead to undefined + * symbols in your build if TagLib is built with NDEBUG defined and your + * application is not. + * + * \internal + */ + void debugData(const ByteVector &v); + +#else + + // Define these to an empty statement if debugging is disabled. + +#define debug(x) +#define debugData(x) + +#endif +#endif +} + +#endif diff --git a/libs/taglib/taglib/toolkit/tfile.cpp b/libs/taglib/taglib/toolkit/tfile.cpp new file mode 100644 index 0000000000..7090a64199 --- /dev/null +++ b/libs/taglib/taglib/toolkit/tfile.cpp @@ -0,0 +1,564 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include "tfile.h" +#include "tstring.h" +#include "tdebug.h" + +#include <stdio.h> +#include <string.h> +#include <sys/stat.h> + +#ifdef _WIN32 +# include <wchar.h> +# include <windows.h> +# include <io.h> +# define ftruncate _chsize +#else +# include <unistd.h> +#endif + +#include <stdlib.h> + +#ifndef R_OK +# define R_OK 4 +#endif +#ifndef W_OK +# define W_OK 2 +#endif + +using namespace TagLib; + +#ifdef _WIN32 + +typedef FileName FileNameHandle; + +#else + +struct FileNameHandle : public std::string +{ + FileNameHandle(FileName name) : std::string(name) {} + operator FileName () const { return c_str(); } +}; + +#endif + +class File::FilePrivate +{ +public: + FilePrivate(FileName fileName); + + FILE *file; + + FileNameHandle name; + + bool readOnly; + bool valid; + ulong size; + static const uint bufferSize = 1024; +}; + +File::FilePrivate::FilePrivate(FileName fileName) : + file(0), + name(fileName), + readOnly(true), + valid(true), + size(0) +{ + // First try with read / write mode, if that fails, fall back to read only. + +#ifdef _WIN32 + + if(wcslen((const wchar_t *) fileName) > 0) { + + file = _wfopen(name, L"rb+"); + + if(file) + readOnly = false; + else + file = _wfopen(name, L"rb"); + + if(file) + return; + + } + +#endif + + file = fopen(name, "rb+"); + + if(file) + readOnly = false; + else + file = fopen(name, "rb"); + + if(!file) + debug("Could not open file " + String((const char *) name)); +} + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +File::File(FileName file) +{ + d = new FilePrivate(file); +} + +File::~File() +{ + if(d->file) + fclose(d->file); + delete d; +} + +FileName File::name() const +{ + return d->name; +} + +ByteVector File::readBlock(ulong length) +{ + if(!d->file) { + debug("File::readBlock() -- Invalid File"); + return ByteVector::null; + } + + if(length == 0) + return ByteVector::null; + + if(length > FilePrivate::bufferSize && + length > ulong(File::length())) + { + length = File::length(); + } + + ByteVector v(static_cast<uint>(length)); + const int count = fread(v.data(), sizeof(char), length, d->file); + v.resize(count); + return v; +} + +void File::writeBlock(const ByteVector &data) +{ + if(!d->file) + return; + + if(d->readOnly) { + debug("File::writeBlock() -- attempted to write to a file that is not writable"); + return; + } + + fwrite(data.data(), sizeof(char), data.size(), d->file); +} + +long File::find(const ByteVector &pattern, long fromOffset, const ByteVector &before) +{ + if(!d->file || pattern.size() > d->bufferSize) + return -1; + + // The position in the file that the current buffer starts at. + + long bufferOffset = fromOffset; + ByteVector buffer; + + // These variables are used to keep track of a partial match that happens at + // the end of a buffer. + + int previousPartialMatch = -1; + int beforePreviousPartialMatch = -1; + + // Save the location of the current read pointer. We will restore the + // position using seek() before all returns. + + long originalPosition = tell(); + + // Start the search at the offset. + + seek(fromOffset); + + // This loop is the crux of the find method. There are three cases that we + // want to account for: + // + // (1) The previously searched buffer contained a partial match of the search + // pattern and we want to see if the next one starts with the remainder of + // that pattern. + // + // (2) The search pattern is wholly contained within the current buffer. + // + // (3) The current buffer ends with a partial match of the pattern. We will + // note this for use in the next itteration, where we will check for the rest + // of the pattern. + // + // All three of these are done in two steps. First we check for the pattern + // and do things appropriately if a match (or partial match) is found. We + // then check for "before". The order is important because it gives priority + // to "real" matches. + + for(buffer = readBlock(d->bufferSize); buffer.size() > 0; buffer = readBlock(d->bufferSize)) { + + // (1) previous partial match + + if(previousPartialMatch >= 0 && int(d->bufferSize) > previousPartialMatch) { + const int patternOffset = (d->bufferSize - previousPartialMatch); + if(buffer.containsAt(pattern, 0, patternOffset)) { + seek(originalPosition); + return bufferOffset - d->bufferSize + previousPartialMatch; + } + } + + if(!before.isNull() && beforePreviousPartialMatch >= 0 && int(d->bufferSize) > beforePreviousPartialMatch) { + const int beforeOffset = (d->bufferSize - beforePreviousPartialMatch); + if(buffer.containsAt(before, 0, beforeOffset)) { + seek(originalPosition); + return -1; + } + } + + // (2) pattern contained in current buffer + + long location = buffer.find(pattern); + if(location >= 0) { + seek(originalPosition); + return bufferOffset + location; + } + + if(!before.isNull() && buffer.find(before) >= 0) { + seek(originalPosition); + return -1; + } + + // (3) partial match + + previousPartialMatch = buffer.endsWithPartialMatch(pattern); + + if(!before.isNull()) + beforePreviousPartialMatch = buffer.endsWithPartialMatch(before); + + bufferOffset += d->bufferSize; + } + + // Since we hit the end of the file, reset the status before continuing. + + clear(); + + seek(originalPosition); + + return -1; +} + + +long File::rfind(const ByteVector &pattern, long fromOffset, const ByteVector &before) +{ + if(!d->file || pattern.size() > d->bufferSize) + return -1; + + // The position in the file that the current buffer starts at. + + ByteVector buffer; + + // These variables are used to keep track of a partial match that happens at + // the end of a buffer. + + /* + int previousPartialMatch = -1; + int beforePreviousPartialMatch = -1; + */ + + // Save the location of the current read pointer. We will restore the + // position using seek() before all returns. + + long originalPosition = tell(); + + // Start the search at the offset. + + long bufferOffset; + if(fromOffset == 0) { + seek(-1 * int(d->bufferSize), End); + bufferOffset = tell(); + } + else { + seek(fromOffset + -1 * int(d->bufferSize), Beginning); + bufferOffset = tell(); + } + + // See the notes in find() for an explanation of this algorithm. + + for(buffer = readBlock(d->bufferSize); buffer.size() > 0; buffer = readBlock(d->bufferSize)) { + + // TODO: (1) previous partial match + + // (2) pattern contained in current buffer + + long location = buffer.rfind(pattern); + if(location >= 0) { + seek(originalPosition); + return bufferOffset + location; + } + + if(!before.isNull() && buffer.find(before) >= 0) { + seek(originalPosition); + return -1; + } + + // TODO: (3) partial match + + bufferOffset -= d->bufferSize; + seek(bufferOffset); + } + + // Since we hit the end of the file, reset the status before continuing. + + clear(); + + seek(originalPosition); + + return -1; +} + +void File::insert(const ByteVector &data, ulong start, ulong replace) +{ + if(!d->file) + return; + + if(data.size() == replace) { + seek(start); + writeBlock(data); + return; + } + else if(data.size() < replace) { + seek(start); + writeBlock(data); + removeBlock(start + data.size(), replace - data.size()); + return; + } + + // Woohoo! Faster (about 20%) than id3lib at last. I had to get hardcore + // and avoid TagLib's high level API for rendering just copying parts of + // the file that don't contain tag data. + // + // Now I'll explain the steps in this ugliness: + + // First, make sure that we're working with a buffer that is longer than + // the *differnce* in the tag sizes. We want to avoid overwriting parts + // that aren't yet in memory, so this is necessary. + + ulong bufferLength = bufferSize(); + + while(data.size() - replace > bufferLength) + bufferLength += bufferSize(); + + // Set where to start the reading and writing. + + long readPosition = start + replace; + long writePosition = start; + + ByteVector buffer; + ByteVector aboutToOverwrite(static_cast<uint>(bufferLength)); + + // This is basically a special case of the loop below. Here we're just + // doing the same steps as below, but since we aren't using the same buffer + // size -- instead we're using the tag size -- this has to be handled as a + // special case. We're also using File::writeBlock() just for the tag. + // That's a bit slower than using char *'s so, we're only doing it here. + + seek(readPosition); + int bytesRead = fread(aboutToOverwrite.data(), sizeof(char), bufferLength, d->file); + readPosition += bufferLength; + + seek(writePosition); + writeBlock(data); + writePosition += data.size(); + + buffer = aboutToOverwrite; + + // In case we've already reached the end of file... + + buffer.resize(bytesRead); + + // Ok, here's the main loop. We want to loop until the read fails, which + // means that we hit the end of the file. + + while(!buffer.isEmpty()) { + + // Seek to the current read position and read the data that we're about + // to overwrite. Appropriately increment the readPosition. + + seek(readPosition); + bytesRead = fread(aboutToOverwrite.data(), sizeof(char), bufferLength, d->file); + aboutToOverwrite.resize(bytesRead); + readPosition += bufferLength; + + // Check to see if we just read the last block. We need to call clear() + // if we did so that the last write succeeds. + + if(ulong(bytesRead) < bufferLength) + clear(); + + // Seek to the write position and write our buffer. Increment the + // writePosition. + + seek(writePosition); + fwrite(buffer.data(), sizeof(char), buffer.size(), d->file); + writePosition += buffer.size(); + + // Make the current buffer the data that we read in the beginning. + + buffer = aboutToOverwrite; + + // Again, we need this for the last write. We don't want to write garbage + // at the end of our file, so we need to set the buffer size to the amount + // that we actually read. + + bufferLength = bytesRead; + } +} + +void File::removeBlock(ulong start, ulong length) +{ + if(!d->file) + return; + + ulong bufferLength = bufferSize(); + + long readPosition = start + length; + long writePosition = start; + + ByteVector buffer(static_cast<uint>(bufferLength)); + + ulong bytesRead = 1; + + while(bytesRead != 0) { + seek(readPosition); + bytesRead = fread(buffer.data(), sizeof(char), bufferLength, d->file); + readPosition += bytesRead; + + // Check to see if we just read the last block. We need to call clear() + // if we did so that the last write succeeds. + + if(bytesRead < bufferLength) + clear(); + + seek(writePosition); + fwrite(buffer.data(), sizeof(char), bytesRead, d->file); + writePosition += bytesRead; + } + truncate(writePosition); +} + +bool File::readOnly() const +{ + return d->readOnly; +} + +bool File::isReadable(const char *file) +{ + return access(file, R_OK) == 0; +} + +bool File::isOpen() const +{ + return (d->file != NULL); +} + +bool File::isValid() const +{ + return isOpen() && d->valid; +} + +void File::seek(long offset, Position p) +{ + if(!d->file) { + debug("File::seek() -- trying to seek in a file that isn't opened."); + return; + } + + switch(p) { + case Beginning: + fseek(d->file, offset, SEEK_SET); + break; + case Current: + fseek(d->file, offset, SEEK_CUR); + break; + case End: + fseek(d->file, offset, SEEK_END); + break; + } +} + +void File::clear() +{ + clearerr(d->file); +} + +long File::tell() const +{ + return ftell(d->file); +} + +long File::length() +{ + // Do some caching in case we do multiple calls. + + if(d->size > 0) + return d->size; + + if(!d->file) + return 0; + + long curpos = tell(); + + seek(0, End); + long endpos = tell(); + + seek(curpos, Beginning); + + d->size = endpos; + return endpos; +} + +bool File::isWritable(const char *file) +{ + return access(file, W_OK) == 0; +} + +//////////////////////////////////////////////////////////////////////////////// +// protected members +//////////////////////////////////////////////////////////////////////////////// + +void File::setValid(bool valid) +{ + d->valid = valid; +} + +void File::truncate(long length) +{ + ftruncate(fileno(d->file), length); +} + +TagLib::uint File::bufferSize() +{ + return FilePrivate::bufferSize; +} diff --git a/libs/taglib/taglib/toolkit/tfile.h b/libs/taglib/taglib/toolkit/tfile.h new file mode 100644 index 0000000000..680125ac20 --- /dev/null +++ b/libs/taglib/taglib/toolkit/tfile.h @@ -0,0 +1,271 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_FILE_H +#define TAGLIB_FILE_H + +#include "taglib_export.h" +#include "taglib.h" +#include "tbytevector.h" + +namespace TagLib { + + class String; + class Tag; + class AudioProperties; + +#ifdef _WIN32 + class TAGLIB_EXPORT FileName + { + public: + FileName(const wchar_t *name) : m_wname(name) {} + FileName(const char *name) : m_name(name) {} + operator const wchar_t *() const { return m_wname.c_str(); } + operator const char *() const { return m_name.c_str(); } + private: + std::string m_name; + std::wstring m_wname; + }; +#else + typedef const char *FileName; +#endif + + //! A file class with some useful methods for tag manipulation + + /*! + * This class is a basic file class with some methods that are particularly + * useful for tag editors. It has methods to take advantage of + * ByteVector and a binary search method for finding patterns in a file. + */ + + class TAGLIB_EXPORT File + { + public: + /*! + * Position in the file used for seeking. + */ + enum Position { + //! Seek from the beginning of the file. + Beginning, + //! Seek from the current position in the file. + Current, + //! Seek from the end of the file. + End + }; + + /*! + * Destroys this File instance. + */ + virtual ~File(); + + /*! + * Returns the file name in the local file system encoding. + */ + FileName name() const; + + /*! + * Returns a pointer to this file's tag. This should be reimplemented in + * the concrete subclasses. + */ + virtual Tag *tag() const = 0; + + /*! + * Returns a pointer to this file's audio properties. This should be + * reimplemented in the concrete subclasses. If no audio properties were + * read then this will return a null pointer. + */ + virtual AudioProperties *audioProperties() const = 0; + + /*! + * Save the file and its associated tags. This should be reimplemented in + * the concrete subclasses. Returns true if the save succeeds. + * + * \warning On UNIX multiple processes are able to write to the same file at + * the same time. This can result in serious file corruption. If you are + * developing a program that makes use of TagLib from multiple processes you + * must insure that you are only doing writes to a particular file from one + * of them. + */ + virtual bool save() = 0; + + /*! + * Reads a block of size \a length at the current get pointer. + */ + ByteVector readBlock(ulong length); + + /*! + * Attempts to write the block \a data at the current get pointer. If the + * file is currently only opened read only -- i.e. readOnly() returns true -- + * this attempts to reopen the file in read/write mode. + * + * \note This should be used instead of using the streaming output operator + * for a ByteVector. And even this function is significantly slower than + * doing output with a char[]. + */ + void writeBlock(const ByteVector &data); + + /*! + * Returns the offset in the file that \a pattern occurs at or -1 if it can + * not be found. If \a before is set, the search will only continue until the + * pattern \a before is found. This is useful for tagging purposes to search + * for a tag before the synch frame. + * + * Searching starts at \a fromOffset, which defaults to the beginning of the + * file. + * + * \note This has the practial limitation that \a pattern can not be longer + * than the buffer size used by readBlock(). Currently this is 1024 bytes. + */ + long find(const ByteVector &pattern, + long fromOffset = 0, + const ByteVector &before = ByteVector::null); + + /*! + * Returns the offset in the file that \a pattern occurs at or -1 if it can + * not be found. If \a before is set, the search will only continue until the + * pattern \a before is found. This is useful for tagging purposes to search + * for a tag before the synch frame. + * + * Searching starts at \a fromOffset and proceeds from the that point to the + * beginning of the file and defaults to the end of the file. + * + * \note This has the practial limitation that \a pattern can not be longer + * than the buffer size used by readBlock(). Currently this is 1024 bytes. + */ + long rfind(const ByteVector &pattern, + long fromOffset = 0, + const ByteVector &before = ByteVector::null); + + /*! + * Insert \a data at position \a start in the file overwriting \a replace + * bytes of the original content. + * + * \note This method is slow since it requires rewriting all of the file + * after the insertion point. + */ + void insert(const ByteVector &data, ulong start = 0, ulong replace = 0); + + /*! + * Removes a block of the file starting a \a start and continuing for + * \a length bytes. + * + * \note This method is slow since it involves rewriting all of the file + * after the removed portion. + */ + void removeBlock(ulong start = 0, ulong length = 0); + + /*! + * Returns true if the file is read only (or if the file can not be opened). + */ + bool readOnly() const; + + /*! + * Since the file can currently only be opened as an argument to the + * constructor (sort-of by design), this returns if that open succeeded. + */ + bool isOpen() const; + + /*! + * Returns true if the file is open and readble and valid information for + * the Tag and / or AudioProperties was found. + */ + bool isValid() const; + + /*! + * Move the I/O pointer to \a offset in the file from position \a p. This + * defaults to seeking from the beginning of the file. + * + * \see Position + */ + void seek(long offset, Position p = Beginning); + + /*! + * Reset the end-of-file and error flags on the file. + */ + void clear(); + + /*! + * Returns the current offset withing the file. + */ + long tell() const; + + /*! + * Returns the length of the file. + */ + long length(); + + /*! + * Returns true if \a file can be opened for reading. If the file does not + * exist, this will return false. + * + * \deprecated + */ + static bool isReadable(const char *file); + + /*! + * Returns true if \a file can be opened for writing. + * + * \deprecated + */ + static bool isWritable(const char *name); + + protected: + /*! + * Construct a File object and opens the \a file. \a file should be a + * be a C-string in the local file system encoding. + * + * \note Constructor is protected since this class should only be + * instantiated through subclasses. + */ + File(FileName file); + + /*! + * Marks the file as valid or invalid. + * + * \see isValid() + */ + void setValid(bool valid); + + /*! + * Truncates the file to a \a length. + */ + void truncate(long length); + + /*! + * Returns the buffer size that is used for internal buffering. + */ + static uint bufferSize(); + + private: + File(const File &); + File &operator=(const File &); + + class FilePrivate; + FilePrivate *d; + }; + +} + +#endif diff --git a/libs/taglib/taglib/toolkit/tlist.h b/libs/taglib/taglib/toolkit/tlist.h new file mode 100644 index 0000000000..70be32458b --- /dev/null +++ b/libs/taglib/taglib/toolkit/tlist.h @@ -0,0 +1,252 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_LIST_H +#define TAGLIB_LIST_H + +#include "taglib.h" + +#include <list> + +namespace TagLib { + + //! A generic, implicitly shared list. + + /*! + * This is basic generic list that's somewhere between a std::list and a + * QValueList. This class is implicitly shared. For example: + * + * \code + * + * TagLib::List<int> l = someOtherIntList; + * + * \endcode + * + * The above example is very cheap. This also makes lists suitable for the + * return types of functions. The above example will just copy a pointer rather + * than copying the data in the list. When your \e shared list's data changes, + * only \e then will the data be copied. + */ + + template <class T> class List + { + public: +#ifndef DO_NOT_DOCUMENT + typedef typename std::list<T>::iterator Iterator; + typedef typename std::list<T>::const_iterator ConstIterator; +#endif + + /*! + * Constructs an empty list. + */ + List(); + + /*! + * Make a shallow, implicitly shared, copy of \a l. Because this is + * implicitly shared, this method is lightweight and suitable for + * pass-by-value usage. + */ + List(const List<T> &l); + + /*! + * Destroys this List instance. If auto deletion is enabled and this list + * contains a pointer type all of the memebers are also deleted. + */ + virtual ~List(); + + /*! + * Returns an STL style iterator to the beginning of the list. See + * std::list::const_iterator for the semantics. + */ + Iterator begin(); + + /*! + * Returns an STL style constant iterator to the beginning of the list. See + * std::list::iterator for the semantics. + */ + ConstIterator begin() const; + + /*! + * Returns an STL style iterator to the end of the list. See + * std::list::iterator for the semantics. + */ + Iterator end(); + + /*! + * Returns an STL style constant iterator to the end of the list. See + * std::list::const_iterator for the semantics. + */ + ConstIterator end() const; + + /*! + * Inserts a copy of \a value before \a it. + */ + Iterator insert(Iterator it, const T &value); + + /*! + * Inserts the \a value into the list. This assumes that the list is + * currently sorted. If \a unique is true then the value will not + * be inserted if it is already in the list. + */ + List<T> &sortedInsert(const T &value, bool unique = false); + + /*! + * Appends \a item to the end of the list and returns a reference to the + * list. + */ + List<T> &append(const T &item); + + /*! + * Appends all of the values in \a l to the end of the list and returns a + * reference to the list. + */ + List<T> &append(const List<T> &l); + + /*! + * Prepends \a item to the beginning list and returns a reference to the + * list. + */ + List<T> &prepend(const T &item); + + /*! + * Prepends all of the items in \a l to the beginning list and returns a + * reference to the list. + */ + List<T> &prepend(const List<T> &l); + + /*! + * Clears the list. If auto deletion is enabled and this list contains a + * pointer type the members are also deleted. + * + * \see setAutoDelete() + */ + List<T> &clear(); + + /*! + * Returns the number of elements in the list. + */ + uint size() const; + bool isEmpty() const; + + /*! + * Find the first occurrence of \a value. + */ + Iterator find(const T &value); + + /*! + * Find the first occurrence of \a value. + */ + ConstIterator find(const T &value) const; + + /*! + * Returns true if the list contains \a value. + */ + bool contains(const T &value) const; + + /*! + * Erase the item at \a it from the list. + */ + Iterator erase(Iterator it); + + /*! + * Returns a reference to the first item in the list. + */ + const T &front() const; + + /*! + * Returns a reference to the first item in the list. + */ + T &front(); + + /*! + * Returns a reference to the last item in the list. + */ + const T &back() const; + + /*! + * Returns a reference to the last item in the list. + */ + T &back(); + + /*! + * Auto delete the members of the list when the last reference to the list + * passes out of scope. This will have no effect on lists which do not + * contain a pointer type. + * + * \note This relies on partial template instantiation -- most modern C++ + * compilers should now support this. + */ + void setAutoDelete(bool autoDelete); + + /*! + * Returns a reference to item \a i in the list. + * + * \warning This method is slow. Use iterators to loop through the list. + */ + T &operator[](uint i); + + /*! + * Returns a const reference to item \a i in the list. + * + * \warning This method is slow. Use iterators to loop through the list. + */ + const T &operator[](uint i) const; + + /*! + * Make a shallow, implicitly shared, copy of \a l. Because this is + * implicitly shared, this method is lightweight and suitable for + * pass-by-value usage. + */ + List<T> &operator=(const List<T> &l); + + /*! + * Compares this list with \a l and returns true if all of the elements are + * the same. + */ + bool operator==(const List<T> &l) const; + + protected: + /* + * If this List is being shared via implicit sharing, do a deep copy of the + * data and separate from the shared members. This should be called by all + * non-const subclass members. + */ + void detach(); + + private: +#ifndef DO_NOT_DOCUMENT + template <class TP> class ListPrivate; + ListPrivate<T> *d; +#endif + }; + +} + +// Since GCC doesn't support the "export" keyword, we have to include the +// implementation. + +#include "tlist.tcc" + +#endif diff --git a/libs/taglib/taglib/toolkit/tlist.tcc b/libs/taglib/taglib/toolkit/tlist.tcc new file mode 100644 index 0000000000..cbc328b8ff --- /dev/null +++ b/libs/taglib/taglib/toolkit/tlist.tcc @@ -0,0 +1,316 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <algorithm> + +namespace TagLib { + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +// The functionality of List<T>::setAutoDelete() is implemented here partial +// template specialization. This is implemented in such a way that calling +// setAutoDelete() on non-pointer types will simply have no effect. + +// A base for the generic and specialized private class types. New +// non-templatized members should be added here. + +class ListPrivateBase : public RefCounter +{ +public: + ListPrivateBase() : autoDelete(false) {} + bool autoDelete; +}; + +// A generic implementation + +template <class T> +template <class TP> class List<T>::ListPrivate : public ListPrivateBase +{ +public: + ListPrivate() : ListPrivateBase() {} + ListPrivate(const std::list<TP> &l) : ListPrivateBase(), list(l) {} + void clear() { + list.clear(); + } + std::list<TP> list; +}; + +// A partial specialization for all pointer types that implements the +// setAutoDelete() functionality. + +template <class T> +template <class TP> class List<T>::ListPrivate<TP *> : public ListPrivateBase +{ +public: + ListPrivate() : ListPrivateBase() {} + ListPrivate(const std::list<TP *> &l) : ListPrivateBase(), list(l) {} + ~ListPrivate() { + clear(); + } + void clear() { + if(autoDelete) { + typename std::list<TP *>::const_iterator it = list.begin(); + for(; it != list.end(); ++it) + delete *it; + } + list.clear(); + } + std::list<TP *> list; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +template <class T> +List<T>::List() +{ + d = new ListPrivate<T>; +} + +template <class T> +List<T>::List(const List<T> &l) : d(l.d) +{ + d->ref(); +} + +template <class T> +List<T>::~List() +{ + if(d->deref()) + delete d; +} + +template <class T> +typename List<T>::Iterator List<T>::begin() +{ + detach(); + return d->list.begin(); +} + +template <class T> +typename List<T>::ConstIterator List<T>::begin() const +{ + return d->list.begin(); +} + +template <class T> +typename List<T>::Iterator List<T>::end() +{ + detach(); + return d->list.end(); +} + +template <class T> +typename List<T>::ConstIterator List<T>::end() const +{ + return d->list.end(); +} + +template <class T> +typename List<T>::Iterator List<T>::insert(Iterator it, const T &item) +{ + detach(); + return d->list.insert(it, item); +} + +template <class T> +List<T> &List<T>::sortedInsert(const T &value, bool unique) +{ + detach(); + Iterator it = begin(); + while(it != end() && *it < value) + ++it; + if(unique && it != end() && *it == value) + return *this; + insert(it, value); + return *this; +} + +template <class T> +List<T> &List<T>::append(const T &item) +{ + detach(); + d->list.push_back(item); + return *this; +} + +template <class T> +List<T> &List<T>::append(const List<T> &l) +{ + detach(); + d->list.insert(d->list.end(), l.begin(), l.end()); + return *this; +} + +template <class T> +List<T> &List<T>::prepend(const T &item) +{ + detach(); + d->list.push_front(item); + return *this; +} + +template <class T> +List<T> &List<T>::prepend(const List<T> &l) +{ + detach(); + d->list.insert(d->list.begin(), l.begin(), l.end()); + return *this; +} + +template <class T> +List<T> &List<T>::clear() +{ + detach(); + d->clear(); + return *this; +} + +template <class T> +TagLib::uint List<T>::size() const +{ + return d->list.size(); +} + +template <class T> +bool List<T>::isEmpty() const +{ + return d->list.empty(); +} + +template <class T> +typename List<T>::Iterator List<T>::find(const T &value) +{ + return std::find(d->list.begin(), d->list.end(), value); +} + +template <class T> +typename List<T>::ConstIterator List<T>::find(const T &value) const +{ + return std::find(d->list.begin(), d->list.end(), value); +} + +template <class T> +bool List<T>::contains(const T &value) const +{ + return std::find(d->list.begin(), d->list.end(), value) != d->list.end(); +} + +template <class T> +typename List<T>::Iterator List<T>::erase(Iterator it) +{ + return d->list.erase(it); +} + +template <class T> +const T &List<T>::front() const +{ + return d->list.front(); +} + +template <class T> +T &List<T>::front() +{ + detach(); + return d->list.front(); +} + +template <class T> +const T &List<T>::back() const +{ + return d->list.back(); +} + +template <class T> +void List<T>::setAutoDelete(bool autoDelete) +{ + d->autoDelete = autoDelete; +} + +template <class T> +T &List<T>::back() +{ + detach(); + return d->list.back(); +} + +template <class T> +T &List<T>::operator[](uint i) +{ + Iterator it = d->list.begin(); + + for(uint j = 0; j < i; j++) + ++it; + + return *it; +} + +template <class T> +const T &List<T>::operator[](uint i) const +{ + ConstIterator it = d->list.begin(); + + for(uint j = 0; j < i; j++) + ++it; + + return *it; +} + +template <class T> +List<T> &List<T>::operator=(const List<T> &l) +{ + if(&l == this) + return *this; + + if(d->deref()) + delete d; + d = l.d; + d->ref(); + return *this; +} + +template <class T> +bool List<T>::operator==(const List<T> &l) const +{ + return d->list == l.d->list; +} + +//////////////////////////////////////////////////////////////////////////////// +// protected members +//////////////////////////////////////////////////////////////////////////////// + +template <class T> +void List<T>::detach() +{ + if(d->count() > 1) { + d->deref(); + d = new ListPrivate<T>(d->list); + } +} + +} // namespace TagLib diff --git a/libs/taglib/taglib/toolkit/tmap.h b/libs/taglib/taglib/toolkit/tmap.h new file mode 100644 index 0000000000..3551b19d53 --- /dev/null +++ b/libs/taglib/taglib/toolkit/tmap.h @@ -0,0 +1,200 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_MAP_H +#define TAGLIB_MAP_H + +#include <map> +using namespace std; + +#include "taglib.h" + +namespace TagLib { + + //! A generic, implicitly shared map. + + /*! + * This implements a standard map container that associates a key with a value + * and has fast key-based lookups. This map is also implicitly shared making + * it suitable for pass-by-value usage. + */ + + template <class Key, class T> class Map + { + public: +#ifndef DO_NOT_DOCUMENT +#ifdef WANT_CLASS_INSTANTIATION_OF_MAP + // Some STL implementations get snippy over the use of the + // class keyword to distinguish different templates; Sun Studio + // in particular finds multiple specializations in certain rare + // cases and complains about that. GCC doesn't seem to mind, + // and uses the typedefs further below without the class keyword. + // Not all the specializations of Map can use the class keyword + // (when T is not actually a class type), so don't apply this + // generally. + typedef typename std::map<class Key, class T>::iterator Iterator; + typedef typename std::map<class Key, class T>::const_iterator ConstIterator; +#else + typedef typename std::map<Key, T>::iterator Iterator; + typedef typename std::map<Key, T>::const_iterator ConstIterator; +#endif +#endif + + /*! + * Constructs an empty Map. + */ + Map(); + + /*! + * Make a shallow, implicitly shared, copy of \a m. Because this is + * implicitly shared, this method is lightweight and suitable for + * pass-by-value usage. + */ + Map(const Map<Key, T> &m); + + /*! + * Destroys this instance of the Map. + */ + virtual ~Map(); + + /*! + * Returns an STL style iterator to the beginning of the map. See + * std::map::iterator for the semantics. + */ + Iterator begin(); + + /*! + * Returns an STL style iterator to the beginning of the map. See + * std::map::const_iterator for the semantics. + */ + ConstIterator begin() const; + + /*! + * Returns an STL style iterator to the end of the map. See + * std::map::iterator for the semantics. + */ + Iterator end(); + + /*! + * Returns an STL style iterator to the end of the map. See + * std::map::const_iterator for the semantics. + */ + ConstIterator end() const; + + /*! + * Inserts \a value under \a key in the map. If a value for \a key already + * exists it will be overwritten. + */ + Map<Key, T> &insert(const Key &key, const T &value); + + /*! + * Removes all of the elements from elements from the map. This however + * will not delete pointers if the mapped type is a pointer type. + */ + Map<Key, T> &clear(); + + /*! + * The number of elements in the map. + * + * \see isEmpty() + */ + uint size() const; + + /*! + * Returns true if the map is empty. + * + * \see size() + */ + bool isEmpty() const; + + /*! + * Find the first occurrence of \a key. + */ + Iterator find(const Key &key); + + /*! + * Find the first occurrence of \a key. + */ + ConstIterator find(const Key &key) const; + + /*! + * Returns true if the map contains an instance of \a key. + */ + bool contains(const Key &key) const; + + /*! + * Erase the item at \a it from the list. + */ + Map<Key, T> &erase(Iterator it); + + /*! + * Erase the item with \a key from the list. + */ + Map<Key, T> &erase(const Key &key); + + /*! + * Returns a reference to the value associated with \a key. + * + * \note This has undefined behavior if the key is not present in the map. + */ + const T &operator[](const Key &key) const; + + /*! + * Returns a reference to the value associated with \a key. + * + * \note This has undefined behavior if the key is not present in the map. + */ + T &operator[](const Key &key); + + /*! + * Make a shallow, implicitly shared, copy of \a m. Because this is + * implicitly shared, this method is lightweight and suitable for + * pass-by-value usage. + */ + Map<Key, T> &operator=(const Map<Key, T> &m); + + protected: + /* + * If this List is being shared via implicit sharing, do a deep copy of the + * data and separate from the shared members. This should be called by all + * non-const subclass members. + */ + void detach(); + + private: +#ifndef DO_NOT_DOCUMENT + template <class KeyP, class TP> class MapPrivate; + MapPrivate<Key, T> *d; +#endif + }; + +} + +// Since GCC doesn't support the "export" keyword, we have to include the +// implementation. + +#include "tmap.tcc" + +#endif diff --git a/libs/taglib/taglib/toolkit/tmap.tcc b/libs/taglib/taglib/toolkit/tmap.tcc new file mode 100644 index 0000000000..6e689d36ab --- /dev/null +++ b/libs/taglib/taglib/toolkit/tmap.tcc @@ -0,0 +1,196 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +namespace TagLib { + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +template <class Key, class T> +template <class KeyP, class TP> +class Map<Key, T>::MapPrivate : public RefCounter +{ +public: + MapPrivate() : RefCounter() {} +#ifdef WANT_CLASS_INSTANTIATION_OF_MAP + MapPrivate(const std::map<class KeyP, class TP>& m) : RefCounter(), map(m) {} + std::map<class KeyP, class TP> map; +#else + MapPrivate(const std::map<KeyP, TP>& m) : RefCounter(), map(m) {} + std::map<KeyP, TP> map; +#endif +}; + +template <class Key, class T> +Map<Key, T>::Map() +{ + d = new MapPrivate<Key, T>; +} + +template <class Key, class T> +Map<Key, T>::Map(const Map<Key, T> &m) : d(m.d) +{ + d->ref(); +} + +template <class Key, class T> +Map<Key, T>::~Map() +{ + if(d->deref()) + delete(d); +} + +template <class Key, class T> +typename Map<Key, T>::Iterator Map<Key, T>::begin() +{ + detach(); + return d->map.begin(); +} + +template <class Key, class T> +typename Map<Key, T>::ConstIterator Map<Key, T>::begin() const +{ + return d->map.begin(); +} + +template <class Key, class T> +typename Map<Key, T>::Iterator Map<Key, T>::end() +{ + detach(); + return d->map.end(); +} + +template <class Key, class T> +typename Map<Key, T>::ConstIterator Map<Key, T>::end() const +{ + return d->map.end(); +} + +template <class Key, class T> +Map<Key, T> &Map<Key, T>::insert(const Key &key, const T &value) +{ + detach(); + d->map[key] = value; + return *this; +} + +template <class Key, class T> +Map<Key, T> &Map<Key, T>::clear() +{ + detach(); + d->map.clear(); + return *this; +} + +template <class Key, class T> +bool Map<Key, T>::isEmpty() const +{ + return d->map.empty(); +} + +template <class Key, class T> +typename Map<Key, T>::Iterator Map<Key, T>::find(const Key &key) +{ + detach(); + return d->map.find(key); +} + +template <class Key, class T> +typename Map<Key,T>::ConstIterator Map<Key, T>::find(const Key &key) const +{ + return d->map.find(key); +} + +template <class Key, class T> +bool Map<Key, T>::contains(const Key &key) const +{ + return d->map.find(key) != d->map.end(); +} + +template <class Key, class T> +Map<Key, T> &Map<Key,T>::erase(Iterator it) +{ + detach(); + d->map.erase(it); + return *this; +} + +template <class Key, class T> +Map<Key, T> &Map<Key,T>::erase(const Key &key) +{ + detach(); + Iterator it = d->map.find(key); + if(it != d->map.end()) + d->map.erase(it); + return *this; +} + +template <class Key, class T> +TagLib::uint Map<Key, T>::size() const +{ + return d->map.size(); +} + +template <class Key, class T> +const T &Map<Key, T>::operator[](const Key &key) const +{ + return d->map[key]; +} + +template <class Key, class T> +T &Map<Key, T>::operator[](const Key &key) +{ + detach(); + return d->map[key]; +} + +template <class Key, class T> +Map<Key, T> &Map<Key, T>::operator=(const Map<Key, T> &m) +{ + if(&m == this) + return *this; + + if(d->deref()) + delete(d); + d = m.d; + d->ref(); + return *this; +} + +//////////////////////////////////////////////////////////////////////////////// +// protected members +//////////////////////////////////////////////////////////////////////////////// + +template <class Key, class T> +void Map<Key, T>::detach() +{ + if(d->count() > 1) { + d->deref(); + d = new MapPrivate<Key, T>(d->map); + } +} + +} // namespace TagLib diff --git a/libs/taglib/taglib/toolkit/tstring.cpp b/libs/taglib/taglib/toolkit/tstring.cpp new file mode 100644 index 0000000000..cd274367e6 --- /dev/null +++ b/libs/taglib/taglib/toolkit/tstring.cpp @@ -0,0 +1,786 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include "tstring.h" +#include "unicode.h" +#include "tdebug.h" + +#include <iostream> + +#include <string.h> + +namespace TagLib { + + inline unsigned short byteSwap(unsigned short x) + { + return ((x) >> 8) & 0xff | ((x) & 0xff) << 8; + } + + inline unsigned short combine(unsigned char c1, unsigned char c2) + { + return (c1 << 8) | c2; + } +} + +using namespace TagLib; + +class String::StringPrivate : public RefCounter +{ +public: + StringPrivate(const wstring &s) : + RefCounter(), + data(s), + CString(0) {} + + StringPrivate() : + RefCounter(), + CString(0) {} + + ~StringPrivate() { + delete [] CString; + } + + wstring data; + + /*! + * This is only used to hold the a pointer to the most recent value of + * toCString. + */ + char *CString; +}; + +String String::null; + +//////////////////////////////////////////////////////////////////////////////// + +String::String() +{ + d = new StringPrivate; +} + +String::String(const String &s) : d(s.d) +{ + d->ref(); +} + +String::String(const std::string &s, Type t) +{ + d = new StringPrivate; + + if(t == UTF16 || t == UTF16BE || t == UTF16LE) { + debug("String::String() -- A std::string should not contain UTF16."); + return; + } + + int length = s.length(); + d->data.resize(length); + wstring::iterator targetIt = d->data.begin(); + + for(std::string::const_iterator it = s.begin(); it != s.end(); it++) { + *targetIt = uchar(*it); + ++targetIt; + } + + prepare(t); +} + +String::String(const wstring &s, Type t) +{ + d = new StringPrivate(s); + prepare(t); +} + +String::String(const wchar_t *s, Type t) +{ + d = new StringPrivate(s); + prepare(t); +} + +String::String(const char *s, Type t) +{ + d = new StringPrivate; + + if(t == UTF16 || t == UTF16BE || t == UTF16LE) { + debug("String::String() -- A const char * should not contain UTF16."); + return; + } + + int length = ::strlen(s); + d->data.resize(length); + + wstring::iterator targetIt = d->data.begin(); + + for(int i = 0; i < length; i++) { + *targetIt = uchar(s[i]); + ++targetIt; + } + + prepare(t); +} + +String::String(wchar_t c, Type t) +{ + d = new StringPrivate; + d->data += c; + prepare(t); +} + +String::String(char c, Type t) +{ + d = new StringPrivate; + + if(t == UTF16 || t == UTF16BE || t == UTF16LE) { + debug("String::String() -- A std::string should not contain UTF16."); + return; + } + + d->data += uchar(c); + prepare(t); +} + +String::String(const ByteVector &v, Type t) +{ + d = new StringPrivate; + + if(v.isEmpty()) + return; + + if(t == Latin1 || t == UTF8) { + + int length = 0; + d->data.resize(v.size()); + wstring::iterator targetIt = d->data.begin(); + for(ByteVector::ConstIterator it = v.begin(); it != v.end() && (*it); ++it) { + *targetIt = uchar(*it); + ++targetIt; + ++length; + } + d->data.resize(length); + } + else { + d->data.resize(v.size() / 2); + wstring::iterator targetIt = d->data.begin(); + + for(ByteVector::ConstIterator it = v.begin(); + it != v.end() && it + 1 != v.end() && combine(*it, *(it + 1)); + it += 2) + { + *targetIt = combine(*it, *(it + 1)); + ++targetIt; + } + } + prepare(t); +} + +//////////////////////////////////////////////////////////////////////////////// + +String::~String() +{ + if(d->deref()) + delete d; +} + +std::string String::to8Bit(bool unicode) const +{ + std::string s; + s.resize(d->data.size()); + + if(!unicode) { + std::string::iterator targetIt = s.begin(); + for(wstring::const_iterator it = d->data.begin(); it != d->data.end(); it++) { + *targetIt = char(*it); + ++targetIt; + } + return s; + } + + const int outputBufferSize = d->data.size() * 3 + 1; + + Unicode::UTF16 *sourceBuffer = new Unicode::UTF16[d->data.size() + 1]; + Unicode::UTF8 *targetBuffer = new Unicode::UTF8[outputBufferSize]; + + for(unsigned int i = 0; i < d->data.size(); i++) + sourceBuffer[i] = Unicode::UTF16(d->data[i]); + + const Unicode::UTF16 *source = sourceBuffer; + Unicode::UTF8 *target = targetBuffer; + + Unicode::ConversionResult result = + Unicode::ConvertUTF16toUTF8(&source, sourceBuffer + d->data.size(), + &target, targetBuffer + outputBufferSize, + Unicode::lenientConversion); + + if(result != Unicode::conversionOK) + debug("String::to8Bit() - Unicode conversion error."); + + int newSize = target - targetBuffer; + s.resize(newSize); + targetBuffer[newSize] = 0; + + s = (char *) targetBuffer; + + delete [] sourceBuffer; + delete [] targetBuffer; + + return s; +} + +TagLib::wstring String::toWString() const +{ + return d->data; +} + +const char *String::toCString(bool unicode) const +{ + delete [] d->CString; + + std::string buffer = to8Bit(unicode); + d->CString = new char[buffer.size() + 1]; + strcpy(d->CString, buffer.c_str()); + + return d->CString; +} + +String::Iterator String::begin() +{ + return d->data.begin(); +} + +String::ConstIterator String::begin() const +{ + return d->data.begin(); +} + +String::Iterator String::end() +{ + return d->data.end(); +} + +String::ConstIterator String::end() const +{ + return d->data.end(); +} + +int String::find(const String &s, int offset) const +{ + wstring::size_type position = d->data.find(s.d->data, offset); + + if(position != wstring::npos) + return position; + else + return -1; +} + +bool String::startsWith(const String &s) const +{ + if(s.length() > length()) + return false; + + return substr(0, s.length()) == s; +} + +String String::substr(uint position, uint n) const +{ + if(n > position + d->data.size()) + n = d->data.size() - position; + + String s; + s.d->data = d->data.substr(position, n); + return s; +} + +String &String::append(const String &s) +{ + detach(); + d->data += s.d->data; + return *this; +} + +String String::upper() const +{ + String s; + + static int shift = 'A' - 'a'; + + for(wstring::const_iterator it = d->data.begin(); it != d->data.end(); ++it) { + if(*it >= 'a' && *it <= 'z') + s.d->data.push_back(*it + shift); + else + s.d->data.push_back(*it); + } + + return s; +} + +TagLib::uint String::size() const +{ + return d->data.size(); +} + +TagLib::uint String::length() const +{ + return size(); +} + +bool String::isEmpty() const +{ + return d->data.size() == 0; +} + +bool String::isNull() const +{ + return d == null.d; +} + +ByteVector String::data(Type t) const +{ + ByteVector v; + + switch(t) { + + case Latin1: + { + for(wstring::const_iterator it = d->data.begin(); it != d->data.end(); it++) + v.append(char(*it)); + break; + } + case UTF8: + { + std::string s = to8Bit(true); + v.setData(s.c_str(), s.length()); + break; + } + case UTF16: + { + // Assume that if we're doing UTF16 and not UTF16BE that we want little + // endian encoding. (Byte Order Mark) + + v.append(char(0xff)); + v.append(char(0xfe)); + + for(wstring::const_iterator it = d->data.begin(); it != d->data.end(); it++) { + + char c1 = *it & 0xff; + char c2 = *it >> 8; + + v.append(c1); + v.append(c2); + } + break; + } + case UTF16BE: + { + for(wstring::const_iterator it = d->data.begin(); it != d->data.end(); it++) { + + char c1 = *it >> 8; + char c2 = *it & 0xff; + + v.append(c1); + v.append(c2); + } + break; + } + case UTF16LE: + { + for(wstring::const_iterator it = d->data.begin(); it != d->data.end(); it++) { + + char c1 = *it & 0xff; + char c2 = *it >> 8; + + v.append(c1); + v.append(c2); + } + break; + } + } + + return v; +} + +int String::toInt() const +{ + int value = 0; + + bool negative = d->data[0] == '-'; + uint i = negative ? 1 : 0; + + for(; i < d->data.size() && d->data[i] >= '0' && d->data[i] <= '9'; i++) + value = value * 10 + (d->data[i] - '0'); + + if(negative) + value = value * -1; + + return value; +} + +String String::stripWhiteSpace() const +{ + wstring::const_iterator begin = d->data.begin(); + wstring::const_iterator end = d->data.end(); + + while(begin != end && + (*begin == '\t' || *begin == '\n' || *begin == '\f' || + *begin == '\r' || *begin == ' ')) + { + ++begin; + } + + if(begin == end) + return null; + + // There must be at least one non-whitespace character here for us to have + // gotten this far, so we should be safe not doing bounds checking. + + do { + --end; + } while(*end == '\t' || *end == '\n' || + *end == '\f' || *end == '\r' || *end == ' '); + + return String(wstring(begin, end + 1)); +} + +bool String::isLatin1() const +{ + for(wstring::const_iterator it = d->data.begin(); it != d->data.end(); it++) { + if(*it >= 256) + return false; + } + return true; +} + +bool String::isAscii() const +{ + for(wstring::const_iterator it = d->data.begin(); it != d->data.end(); it++) { + if(*it >= 128) + return false; + } + return true; +} + +String String::number(int n) // static +{ + if(n == 0) + return String("0"); + + String charStack; + + bool negative = n < 0; + + if(negative) + n = n * -1; + + while(n > 0) { + int remainder = n % 10; + charStack += char(remainder + '0'); + n = (n - remainder) / 10; + } + + String s; + + if(negative) + s += '-'; + + for(int i = charStack.d->data.size() - 1; i >= 0; i--) + s += charStack.d->data[i]; + + return s; +} + +TagLib::wchar &String::operator[](int i) +{ + return d->data[i]; +} + +const TagLib::wchar &String::operator[](int i) const +{ + return d->data[i]; +} + +bool String::operator==(const String &s) const +{ + return d == s.d || d->data == s.d->data; +} + +String &String::operator+=(const String &s) +{ + detach(); + + d->data += s.d->data; + return *this; +} + +String &String::operator+=(const wchar_t *s) +{ + detach(); + + d->data += s; + return *this; +} + +String &String::operator+=(const char *s) +{ + detach(); + + for(int i = 0; s[i] != 0; i++) + d->data += uchar(s[i]); + return *this; +} + +String &String::operator+=(wchar_t c) +{ + detach(); + + d->data += c; + return *this; +} + +String &String::operator+=(char c) +{ + d->data += uchar(c); + return *this; +} + +String &String::operator=(const String &s) +{ + if(&s == this) + return *this; + + if(d->deref()) + delete d; + d = s.d; + d->ref(); + return *this; +} + +String &String::operator=(const std::string &s) +{ + if(d->deref()) + delete d; + + d = new StringPrivate; + + d->data.resize(s.size()); + + wstring::iterator targetIt = d->data.begin(); + for(std::string::const_iterator it = s.begin(); it != s.end(); it++) { + *targetIt = uchar(*it); + ++targetIt; + } + + return *this; +} + +String &String::operator=(const wstring &s) +{ + if(d->deref()) + delete d; + d = new StringPrivate(s); + return *this; +} + +String &String::operator=(const wchar_t *s) +{ + if(d->deref()) + delete d; + d = new StringPrivate(s); + return *this; +} + +String &String::operator=(char c) +{ + if(d->deref()) + delete d; + d = new StringPrivate; + d->data += uchar(c); + return *this; +} + +String &String::operator=(wchar_t c) +{ + if(d->deref()) + delete d; + d = new StringPrivate; + d->data += c; + return *this; +} + +String &String::operator=(const char *s) +{ + if(d->deref()) + delete d; + + d = new StringPrivate; + + int length = ::strlen(s); + d->data.resize(length); + + wstring::iterator targetIt = d->data.begin(); + for(int i = 0; i < length; i++) { + *targetIt = uchar(s[i]); + ++targetIt; + } + + return *this; +} + +String &String::operator=(const ByteVector &v) +{ + if(d->deref()) + delete d; + + d = new StringPrivate; + d->data.resize(v.size()); + wstring::iterator targetIt = d->data.begin(); + + uint i = 0; + + for(ByteVector::ConstIterator it = v.begin(); it != v.end() && (*it); ++it) { + *targetIt = uchar(*it); + ++targetIt; + ++i; + } + + // If we hit a null in the ByteVector, shrink the string again. + + d->data.resize(i); + + return *this; +} + +bool String::operator<(const String &s) const +{ + return d->data < s.d->data; +} + +//////////////////////////////////////////////////////////////////////////////// +// protected members +//////////////////////////////////////////////////////////////////////////////// + +void String::detach() +{ + if(d->count() > 1) { + d->deref(); + d = new StringPrivate(d->data); + } +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +void String::prepare(Type t) +{ + switch(t) { + case UTF16: + { + if(d->data.size() >= 1 && (d->data[0] == 0xfeff || d->data[0] == 0xfffe)) { + bool swap = d->data[0] != 0xfeff; + d->data.erase(d->data.begin(), d->data.begin() + 1); + if(swap) { + for(uint i = 0; i < d->data.size(); i++) + d->data[i] = byteSwap((unsigned short)d->data[i]); + } + } + else { + debug("String::prepare() - Invalid UTF16 string."); + d->data.erase(d->data.begin(), d->data.end()); + } + break; + } + case UTF8: + { + int bufferSize = d->data.size() + 1; + Unicode::UTF8 *sourceBuffer = new Unicode::UTF8[bufferSize]; + Unicode::UTF16 *targetBuffer = new Unicode::UTF16[bufferSize]; + + unsigned int i = 0; + for(; i < d->data.size(); i++) + sourceBuffer[i] = Unicode::UTF8(d->data[i]); + sourceBuffer[i] = 0; + + const Unicode::UTF8 *source = sourceBuffer; + Unicode::UTF16 *target = targetBuffer; + + Unicode::ConversionResult result = + Unicode::ConvertUTF8toUTF16(&source, sourceBuffer + bufferSize, + &target, targetBuffer + bufferSize, + Unicode::lenientConversion); + + if(result != Unicode::conversionOK) + debug("String::prepare() - Unicode conversion error."); + + + int newSize = target != targetBuffer ? target - targetBuffer - 1 : 0; + d->data.resize(newSize); + + for(int i = 0; i < newSize; i++) + d->data[i] = targetBuffer[i]; + + delete [] sourceBuffer; + delete [] targetBuffer; + + break; + } + case UTF16LE: + { + for(uint i = 0; i < d->data.size(); i++) + d->data[i] = byteSwap((unsigned short)d->data[i]); + break; + } + default: + break; + } +} + +//////////////////////////////////////////////////////////////////////////////// +// related functions +//////////////////////////////////////////////////////////////////////////////// + +const TagLib::String operator+(const TagLib::String &s1, const TagLib::String &s2) +{ + String s(s1); + s.append(s2); + return s; +} + +const TagLib::String operator+(const char *s1, const TagLib::String &s2) +{ + String s(s1); + s.append(s2); + return s; +} + +const TagLib::String operator+(const TagLib::String &s1, const char *s2) +{ + String s(s1); + s.append(s2); + return s; +} + +std::ostream &operator<<(std::ostream &s, const String &str) +{ + s << str.to8Bit(); + return s; +} diff --git a/libs/taglib/taglib/toolkit/tstring.h b/libs/taglib/taglib/toolkit/tstring.h new file mode 100644 index 0000000000..660023bada --- /dev/null +++ b/libs/taglib/taglib/toolkit/tstring.h @@ -0,0 +1,456 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_STRING_H +#define TAGLIB_STRING_H + +#include "taglib_export.h" +#include "taglib.h" +#include "tbytevector.h" + +#include <string> +#include <ostream> + +/*! + * \relates TagLib::String + * + * Converts a TagLib::String to a QString without a requirement to link to Qt. + */ +#define QStringToTString(s) TagLib::String(s.utf8().data(), TagLib::String::UTF8) + +/*! + * \relates TagLib::String + * + * Converts a TagLib::String to a QString without a requirement to link to Qt. + */ +#define TStringToQString(s) QString::fromUtf8(s.toCString(true)) + +namespace TagLib { + + //! A \e wide string class suitable for unicode. + + /*! + * This is an implicitly shared \e wide string. For storage it uses + * TagLib::wstring, but as this is an <i>implementation detail</i> this of + * course could change. Strings are stored internally as UTF-16BE. (Without + * the BOM (Byte Order Mark) + * + * The use of implicit sharing means that copying a string is cheap, the only + * \e cost comes into play when the copy is modified. Prior to that the string + * just has a pointer to the data of the \e parent String. This also makes + * this class suitable as a function return type. + * + * In addition to adding implicit sharing, this class keeps track of four + * possible encodings, which are the four supported by the ID3v2 standard. + */ + + class TAGLIB_EXPORT String + { + public: + +#ifndef DO_NOT_DOCUMENT + typedef std::basic_string<wchar>::iterator Iterator; + typedef std::basic_string<wchar>::const_iterator ConstIterator; +#endif + + /** + * The four types of string encodings supported by the ID3v2 specification. + * ID3v1 is assumed to be Latin1 and Ogg Vorbis comments use UTF8. + */ + enum Type { + /*! + * IS08859-1, or <i>Latin1</i> encoding. 8 bit characters. + */ + Latin1 = 0, + /*! + * UTF16 with a <i>byte order mark</i>. 16 bit characters. + */ + UTF16 = 1, + /*! + * UTF16 <i>big endian</i>. 16 bit characters. This is the encoding used + * internally by TagLib. + */ + UTF16BE = 2, + /*! + * UTF8 encoding. Characters are usually 8 bits but can be up to 32. + */ + UTF8 = 3, + /*! + * UTF16 <i>little endian</i>. 16 bit characters. + */ + UTF16LE = 4 + }; + + /*! + * Constructs an empty String. + */ + String(); + + /*! + * Make a shallow, implicitly shared, copy of \a s. Because this is + * implicitly shared, this method is lightweight and suitable for + * pass-by-value usage. + */ + String(const String &s); + + /*! + * Makes a deep copy of the data in \a s. + * + * \note This should only be used with the 8-bit codecs Latin1 and UTF8, when + * used with other codecs it will simply print a warning and exit. + */ + String(const std::string &s, Type t = Latin1); + + /*! + * Makes a deep copy of the data in \a s. + */ + String(const wstring &s, Type t = UTF16BE); + + /*! + * Makes a deep copy of the data in \a s. + */ + String(const wchar_t *s, Type t = UTF16BE); + + /*! + * Makes a deep copy of the data in \a c. + * + * \note This should only be used with the 8-bit codecs Latin1 and UTF8, when + * used with other codecs it will simply print a warning and exit. + */ + String(char c, Type t = Latin1); + + /*! + * Makes a deep copy of the data in \a c. + */ + String(wchar_t c, Type t = Latin1); + + + /*! + * Makes a deep copy of the data in \a s. + * + * \note This should only be used with the 8-bit codecs Latin1 and UTF8, when + * used with other codecs it will simply print a warning and exit. + */ + String(const char *s, Type t = Latin1); + + /*! + * Makes a deep copy of the data in \a s. + * + * \note This should only be used with the 8-bit codecs Latin1 and UTF8, when + * used with other codecs it will simply print a warning and exit. + */ + String(const ByteVector &v, Type t = Latin1); + + /*! + * Destroys this String instance. + */ + virtual ~String(); + + /*! + * If \a unicode if false (the default) this will return a \e Latin1 encoded + * std::string. If it is true the returned std::wstring will be UTF-8 + * encoded. + */ + std::string to8Bit(bool unicode = false) const; + + /*! + * Returns a wstring version of the TagLib string as a wide string. + */ + wstring toWString() const; + + /*! + * Creates and returns a C-String based on the data. This string is still + * owned by the String (class) and as such should not be deleted by the user. + * + * If \a unicode if false (the default) this string will be encoded in + * \e Latin1. If it is true the returned C-String will be UTF-8 encoded. + * + * This string remains valid until the String instance is destroyed or + * another export method is called. + * + * \warning This however has the side effect that this C-String will remain + * in memory <b>in addition to</b> other memory that is consumed by the + * String instance. So, this method should not be used on large strings or + * where memory is critical. + */ + const char *toCString(bool unicode = false) const; + + /*! + * Returns an iterator pointing to the beginning of the string. + */ + Iterator begin(); + + /*! + * Returns a const iterator pointing to the beginning of the string. + */ + ConstIterator begin() const; + + /*! + * Returns an iterator pointing to the end of the string (the position + * after the last character). + */ + Iterator end(); + + /*! + * Returns a const iterator pointing to the end of the string (the position + * after the last character). + */ + ConstIterator end() const; + + /*! + * Finds the first occurrence of pattern \a s in this string starting from + * \a offset. If the pattern is not found, -1 is returned. + */ + int find(const String &s, int offset = 0) const; + + /*! + * Returns true if the strings starts with the substring \a s. + */ + bool startsWith(const String &s) const; + + /*! + * Extract a substring from this string starting at \a position and + * continuing for \a n characters. + */ + String substr(uint position, uint n = 0xffffffff) const; + + /*! + * Append \a s to the current string and return a reference to the current + * string. + */ + String &append(const String &s); + + /*! + * Returns an upper case version of the string. + * + * \warning This only works for the characters in US-ASCII, i.e. A-Z. + */ + String upper() const; + + /*! + * Returns the size of the string. + */ + uint size() const; + + /*! + * Returns the length of the string. Equivalent to size(). + */ + uint length() const; + + /*! + * Returns true if the string is empty. + * + * \see isNull() + */ + bool isEmpty() const; + + /*! + * Returns true if this string is null -- i.e. it is a copy of the + * String::null string. + * + * \note A string can be empty and not null. + * \see isEmpty() + */ + bool isNull() const; + + /*! + * Returns a ByteVector containing the string's data. If \a t is Latin1 or + * UTF8, this will return a vector of 8 bit characters, otherwise it will use + * 16 bit characters. + */ + ByteVector data(Type t) const; + + /*! + * Convert the string to an integer. + */ + int toInt() const; + + /*! + * Returns a string with the leading and trailing whitespace stripped. + */ + String stripWhiteSpace() const; + + /*! + * Returns true if the file only uses characters required by Latin1. + */ + bool isLatin1() const; + + /*! + * Returns true if the file only uses characters required by (7-bit) ASCII. + */ + bool isAscii() const; + + /*! + * Converts the base-10 integer \a n to a string. + */ + static String number(int n); + + /*! + * Returns a reference to the character at position \a i. + */ + wchar &operator[](int i); + + /*! + * Returns a const reference to the character at position \a i. + */ + const wchar &operator[](int i) const; + + /*! + * Compares each character of the String with each character of \a s and + * returns true if the strings match. + */ + bool operator==(const String &s) const; + + /*! + * Appends \a s to the end of the String. + */ + String &operator+=(const String &s); + + /*! + * Appends \a s to the end of the String. + */ + String &operator+=(const wchar_t* s); + + /*! + * Appends \a s to the end of the String. + */ + String &operator+=(const char* s); + + /*! + * Appends \a s to the end of the String. + */ + String &operator+=(wchar_t c); + + /*! + * Appends \a c to the end of the String. + */ + String &operator+=(char c); + + /*! + * Performs a shallow, implicitly shared, copy of \a s, overwriting the + * String's current data. + */ + String &operator=(const String &s); + + /*! + * Performs a deep copy of the data in \a s. + */ + String &operator=(const std::string &s); + + /*! + * Performs a deep copy of the data in \a s. + */ + String &operator=(const wstring &s); + + /*! + * Performs a deep copy of the data in \a s. + */ + String &operator=(const wchar_t *s); + + /*! + * Performs a deep copy of the data in \a s. + */ + String &operator=(char c); + + /*! + * Performs a deep copy of the data in \a s. + */ + String &operator=(wchar_t c); + + /*! + * Performs a deep copy of the data in \a s. + */ + String &operator=(const char *s); + + /*! + * Performs a deep copy of the data in \a v. + */ + String &operator=(const ByteVector &v); + + /*! + * To be able to use this class in a Map, this operator needed to be + * implemented. Returns true if \a s is less than this string in a bytewise + * comparison. + */ + bool operator<(const String &s) const; + + /*! + * A null string provided for convenience. + */ + static String null; + + protected: + /*! + * If this String is being shared via implicit sharing, do a deep copy of the + * data and separate from the shared members. This should be called by all + * non-const subclass members. + */ + void detach(); + + private: + /*! + * This checks to see if the string is in \e UTF-16 (with BOM) or \e UTF-8 + * format and if so converts it to \e UTF-16BE for internal use. \e Latin1 + * does not require conversion since it is a subset of \e UTF-16BE and + * \e UTF16-BE requires no conversion since it is used internally. + */ + void prepare(Type t); + + class StringPrivate; + StringPrivate *d; + }; + +} + +/*! + * \relates TagLib::String + * + * Concatenates \a s1 and \a s2 and returns the result as a string. + */ +TAGLIB_EXPORT const TagLib::String operator+(const TagLib::String &s1, const TagLib::String &s2); + +/*! + * \relates TagLib::String + * + * Concatenates \a s1 and \a s2 and returns the result as a string. + */ +TAGLIB_EXPORT const TagLib::String operator+(const char *s1, const TagLib::String &s2); + +/*! + * \relates TagLib::String + * + * Concatenates \a s1 and \a s2 and returns the result as a string. + */ +TAGLIB_EXPORT const TagLib::String operator+(const TagLib::String &s1, const char *s2); + + +/*! + * \relates TagLib::String + * + * Send the string to an output stream. + */ +TAGLIB_EXPORT std::ostream &operator<<(std::ostream &s, const TagLib::String &str); + +#endif diff --git a/libs/taglib/taglib/toolkit/tstringlist.cpp b/libs/taglib/taglib/toolkit/tstringlist.cpp new file mode 100644 index 0000000000..1da3a2921d --- /dev/null +++ b/libs/taglib/taglib/toolkit/tstringlist.cpp @@ -0,0 +1,123 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include "tstringlist.h" + +using namespace TagLib; + +class StringListPrivate +{ + +}; + +//////////////////////////////////////////////////////////////////////////////// +// static members +//////////////////////////////////////////////////////////////////////////////// + +StringList StringList::split(const String &s, const String &pattern) +{ + StringList l; + + int previousOffset = 0; + for(int offset = s.find(pattern); offset != -1; offset = s.find(pattern, offset + 1)) { + l.append(s.substr(previousOffset, offset - previousOffset)); + previousOffset = offset + 1; + } + + l.append(s.substr(previousOffset, s.size() - previousOffset)); + + return l; +} + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +StringList::StringList() : List<String>() +{ + +} + +StringList::StringList(const StringList &l) : List<String>(l) +{ + +} + +StringList::StringList(const String &s) : List<String>() +{ + append(s); +} + +StringList::StringList(const ByteVectorList &bl, String::Type t) : List<String>() +{ + ByteVectorList::ConstIterator i = bl.begin(); + for(;i != bl.end(); i++) { + append(String(*i, t)); + } +} + +StringList::~StringList() +{ + +} + +String StringList::toString(const String &separator) const +{ + String s; + + ConstIterator it = begin(); + ConstIterator itEnd = end(); + + while(it != itEnd) { + s += *it; + it++; + if(it != itEnd) + s += separator; + } + + return s; +} + +StringList &StringList::append(const String &s) +{ + List<String>::append(s); + return *this; +} + +StringList &StringList::append(const StringList &l) +{ + List<String>::append(l); + return *this; +} + +//////////////////////////////////////////////////////////////////////////////// +// related functions +//////////////////////////////////////////////////////////////////////////////// + +std::ostream &operator<<(std::ostream &s, const StringList &l) +{ + s << l.toString(); + return s; +} diff --git a/libs/taglib/taglib/toolkit/tstringlist.h b/libs/taglib/taglib/toolkit/tstringlist.h new file mode 100644 index 0000000000..7bb86646f8 --- /dev/null +++ b/libs/taglib/taglib/toolkit/tstringlist.h @@ -0,0 +1,115 @@ +/*************************************************************************** + copyright : (C) 2002 - 2008 by Scott Wheeler + email : wheeler@kde.org + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_STRINGLIST_H +#define TAGLIB_STRINGLIST_H + +#include "tstring.h" +#include "tlist.h" +#include "tbytevectorlist.h" +#include "taglib_export.h" + +#include <iostream> + +namespace TagLib { + + //! A list of strings + + /*! + * This is a spcialization of the List class with some members convention for + * string operations. + */ + + class TAGLIB_EXPORT StringList : public List<String> + { + public: + + /*! + * Constructs an empty StringList. + */ + StringList(); + + /*! + * Make a shallow, implicitly shared, copy of \a l. Because this is + * implicitly shared, this method is lightweight and suitable for + * pass-by-value usage. + */ + StringList(const StringList &l); + + /*! + * Constructs a StringList with \a s as a member. + */ + StringList(const String &s); + + /*! + * Makes a deep copy of the data in \a vl. + * + * \note This should only be used with the 8-bit codecs Latin1 and UTF8, when + * used with other codecs it will simply print a warning and exit. + */ + StringList(const ByteVectorList &vl, String::Type t = String::Latin1); + + /*! + * Destroys this StringList instance. + */ + virtual ~StringList(); + + /*! + * Concatenate the list of strings into one string separated by \a separator. + */ + String toString(const String &separator = " ") const; + + /*! + * Appends \a s to the end of the list and returns a reference to the + * list. + */ + StringList &append(const String &s); + + /*! + * Appends all of the values in \a l to the end of the list and returns a + * reference to the list. + */ + StringList &append(const StringList &l); + + /*! + * Splits the String \a s into several strings at \a pattern. This will not include + * the pattern in the returned strings. + */ + static StringList split(const String &s, const String &pattern); + + private: + class StringListPrivate; + StringListPrivate *d; + }; + +} + +/*! + * \related TagLib::StringList + * Send the StringList to an output stream. + */ +std::ostream &operator<<(std::ostream &s, const TagLib::StringList &l); + +#endif diff --git a/libs/taglib/taglib/toolkit/unicode.cpp b/libs/taglib/taglib/toolkit/unicode.cpp new file mode 100644 index 0000000000..b60264d91b --- /dev/null +++ b/libs/taglib/taglib/toolkit/unicode.cpp @@ -0,0 +1,303 @@ +/******************************************************************************* + * * + * THIS FILE IS INCLUDED IN TAGLIB, BUT IS NOT COPYRIGHTED BY THE TAGLIB * + * AUTHORS, NOT PART OF THE TAGLIB API AND COULD GO AWAY AT ANY POINT IN TIME. * + * AS SUCH IT SHOULD BE CONSIERED FOR INTERNAL USE ONLY. * + * * + *******************************************************************************/ + +/* + * Copyright 2001 Unicode, Inc. + * + * Disclaimer + * + * This source code is provided as is by Unicode, Inc. No claims are + * made as to fitness for any particular purpose. No warranties of any + * kind are expressed or implied. The recipient agrees to determine + * applicability of information provided. If this file has been + * purchased on magnetic or optical media from Unicode, Inc., the + * sole remedy for any claim will be exchange of defective media + * within 90 days of receipt. + * + * Limitations on Rights to Redistribute This Code + * + * Unicode, Inc. hereby grants the right to freely use the information + * supplied in this file in the creation of products supporting the + * Unicode Standard, and to make copies of this file in any form + * for internal or external distribution as long as this notice + * remains attached. + */ + +/* + * This file has been modified by Scott Wheeler <wheeler@kde.org> to remove + * the UTF32 conversion functions and to place the appropriate functions + * in their own C++ namespace. + */ + +/* --------------------------------------------------------------------- + + Conversions between UTF32, UTF-16, and UTF-8. Source code file. + Author: Mark E. Davis, 1994. + Rev History: Rick McGowan, fixes & updates May 2001. + Sept 2001: fixed const & error conditions per + mods suggested by S. Parent & A. Lillich. + + See the header file "ConvertUTF.h" for complete documentation. + +------------------------------------------------------------------------ */ + + +#include "unicode.h" +#include <stdio.h> + +#define UNI_SUR_HIGH_START (UTF32)0xD800 +#define UNI_SUR_HIGH_END (UTF32)0xDBFF +#define UNI_SUR_LOW_START (UTF32)0xDC00 +#define UNI_SUR_LOW_END (UTF32)0xDFFF +#define false 0 +#define true 1 + +namespace Unicode { + +static const int halfShift = 10; /* used for shifting by 10 bits */ + +static const UTF32 halfBase = 0x0010000UL; +static const UTF32 halfMask = 0x3FFUL; + +/* + * Index into the table below with the first byte of a UTF-8 sequence to + * get the number of trailing bytes that are supposed to follow it. + */ +static const char trailingBytesForUTF8[256] = { + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, + 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 3,3,3,3,3,3,3,3,4,4,4,4,5,5,5,5 +}; + +/* + * Magic values subtracted from a buffer value during UTF8 conversion. + * This table contains as many values as there might be trailing bytes + * in a UTF-8 sequence. + */ +static const UTF32 offsetsFromUTF8[6] = { 0x00000000UL, 0x00003080UL, 0x000E2080UL, + 0x03C82080UL, 0xFA082080UL, 0x82082080UL }; + +/* + * Once the bits are split out into bytes of UTF-8, this is a mask OR-ed + * into the first byte, depending on how many bytes follow. There are + * as many entries in this table as there are UTF-8 sequence types. + * (I.e., one byte sequence, two byte... six byte sequence.) + */ +static const UTF8 firstByteMark[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC }; + +/* --------------------------------------------------------------------- */ + +/* The interface converts a whole buffer to avoid function-call overhead. + * Constants have been gathered. Loops & conditionals have been removed as + * much as possible for efficiency, in favor of drop-through switches. + * (See "Note A" at the bottom of the file for equivalent code.) + * If your compiler supports it, the "isLegalUTF8" call can be turned + * into an inline function. + */ + +/* --------------------------------------------------------------------- */ + +ConversionResult ConvertUTF16toUTF8 ( + const UTF16** sourceStart, const UTF16* sourceEnd, + UTF8** targetStart, UTF8* targetEnd, ConversionFlags flags) { + ConversionResult result = conversionOK; + const UTF16* source = *sourceStart; + UTF8* target = *targetStart; + while (source < sourceEnd) { + UTF32 ch; + unsigned short bytesToWrite = 0; + const UTF32 byteMask = 0xBF; + const UTF32 byteMark = 0x80; + const UTF16* oldSource = source; /* In case we have to back up because of target overflow. */ + ch = *source++; + /* If we have a surrogate pair, convert to UTF32 first. */ + if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_HIGH_END && source < sourceEnd) { + UTF32 ch2 = *source; + if (ch2 >= UNI_SUR_LOW_START && ch2 <= UNI_SUR_LOW_END) { + ch = ((ch - UNI_SUR_HIGH_START) << halfShift) + + (ch2 - UNI_SUR_LOW_START) + halfBase; + ++source; + } else if (flags == strictConversion) { /* it's an unpaired high surrogate */ + --source; /* return to the illegal value itself */ + result = sourceIllegal; + break; + } + } else if ((flags == strictConversion) && (ch >= UNI_SUR_LOW_START && ch <= UNI_SUR_LOW_END)) { + --source; /* return to the illegal value itself */ + result = sourceIllegal; + break; + } + /* Figure out how many bytes the result will require */ + if (ch < (UTF32)0x80) { bytesToWrite = 1; + } else if (ch < (UTF32)0x800) { bytesToWrite = 2; + } else if (ch < (UTF32)0x10000) { bytesToWrite = 3; + } else if (ch < (UTF32)0x200000) { bytesToWrite = 4; + } else { bytesToWrite = 2; + ch = UNI_REPLACEMENT_CHAR; + } + // printf("bytes to write = %i\n", bytesToWrite); + target += bytesToWrite; + if (target > targetEnd) { + source = oldSource; /* Back up source pointer! */ + target -= bytesToWrite; result = targetExhausted; break; + } + switch (bytesToWrite) { /* note: everything falls through. */ + case 4: *--target = (ch | byteMark) & byteMask; ch >>= 6; + case 3: *--target = (ch | byteMark) & byteMask; ch >>= 6; + case 2: *--target = (ch | byteMark) & byteMask; ch >>= 6; + case 1: *--target = ch | firstByteMark[bytesToWrite]; + } + target += bytesToWrite; + } + *sourceStart = source; + *targetStart = target; + return result; +} + +/* --------------------------------------------------------------------- */ + +/* + * Utility routine to tell whether a sequence of bytes is legal UTF-8. + * This must be called with the length pre-determined by the first byte. + * If not calling this from ConvertUTF8to*, then the length can be set by: + * length = trailingBytesForUTF8[*source]+1; + * and the sequence is illegal right away if there aren't that many bytes + * available. + * If presented with a length > 4, this returns false. The Unicode + * definition of UTF-8 goes up to 4-byte sequences. + */ + +static Boolean isLegalUTF8(const UTF8 *source, int length) { + UTF8 a; + const UTF8 *srcptr = source+length; + switch (length) { + default: return false; + /* Everything else falls through when "true"... */ + case 4: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return false; + case 3: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return false; + case 2: if ((a = (*--srcptr)) > 0xBF) return false; + switch (*source) { + /* no fall-through in this inner switch */ + case 0xE0: if (a < 0xA0) return false; break; + case 0xF0: if (a < 0x90) return false; break; + case 0xF4: if (a > 0x8F) return false; break; + default: if (a < 0x80) return false; + } + case 1: if (*source >= 0x80 && *source < 0xC2) return false; + if (*source > 0xF4) return false; + } + return true; +} + +/* --------------------------------------------------------------------- */ + +/* + * Exported function to return whether a UTF-8 sequence is legal or not. + * This is not used here; it's just exported. + */ +Boolean isLegalUTF8Sequence(const UTF8 *source, const UTF8 *sourceEnd) { + int length = trailingBytesForUTF8[*source]+1; + if (source+length > sourceEnd) { + return false; + } + return isLegalUTF8(source, length); +} + +/* --------------------------------------------------------------------- */ + +ConversionResult ConvertUTF8toUTF16 ( + const UTF8** sourceStart, const UTF8* sourceEnd, + UTF16** targetStart, UTF16* targetEnd, ConversionFlags flags) { + ConversionResult result = conversionOK; + const UTF8* source = *sourceStart; + UTF16* target = *targetStart; + while (source < sourceEnd) { + UTF32 ch = 0; + unsigned short extraBytesToRead = trailingBytesForUTF8[*source]; + if (source + extraBytesToRead >= sourceEnd) { + result = sourceExhausted; break; + } + /* Do this check whether lenient or strict */ + if (! isLegalUTF8(source, extraBytesToRead+1)) { + result = sourceIllegal; + break; + } + /* + * The cases all fall through. See "Note A" below. + */ + switch (extraBytesToRead) { + case 3: ch += *source++; ch <<= 6; + case 2: ch += *source++; ch <<= 6; + case 1: ch += *source++; ch <<= 6; + case 0: ch += *source++; + } + ch -= offsetsFromUTF8[extraBytesToRead]; + + if (target >= targetEnd) { + source -= (extraBytesToRead+1); /* Back up source pointer! */ + result = targetExhausted; break; + } + if (ch <= UNI_MAX_BMP) { /* Target is a character <= 0xFFFF */ + if ((flags == strictConversion) && (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END)) { + source -= (extraBytesToRead+1); /* return to the illegal value itself */ + result = sourceIllegal; + break; + } else { + *target++ = ch; /* normal case */ + } + } else if (ch > UNI_MAX_UTF16) { + if (flags == strictConversion) { + result = sourceIllegal; + source -= (extraBytesToRead+1); /* return to the start */ + break; /* Bail out; shouldn't continue */ + } else { + *target++ = UNI_REPLACEMENT_CHAR; + } + } else { + /* target is a character in range 0xFFFF - 0x10FFFF. */ + if (target + 1 >= targetEnd) { + source -= (extraBytesToRead+1); /* Back up source pointer! */ + result = targetExhausted; break; + } + ch -= halfBase; + *target++ = (ch >> halfShift) + UNI_SUR_HIGH_START; + *target++ = (ch & halfMask) + UNI_SUR_LOW_START; + } + } + *sourceStart = source; + *targetStart = target; + return result; +} + +} + +/* --------------------------------------------------------------------- + + Note A. + The fall-through switches in UTF-8 reading code save a + temp variable, some decrements & conditionals. The switches + are equivalent to the following loop: + { + int tmpBytesToRead = extraBytesToRead+1; + do { + ch += *source++; + --tmpBytesToRead; + if (tmpBytesToRead) ch <<= 6; + } while (tmpBytesToRead > 0); + } + In UTF-8 writing code, the switches on "bytesToWrite" are + similarly unrolled loops. + + --------------------------------------------------------------------- */ + + diff --git a/libs/taglib/taglib/toolkit/unicode.h b/libs/taglib/taglib/toolkit/unicode.h new file mode 100644 index 0000000000..cf7eb3c569 --- /dev/null +++ b/libs/taglib/taglib/toolkit/unicode.h @@ -0,0 +1,149 @@ +#ifndef TAGLIB_UNICODE_H +#define TAGLIB_UNICODE_H + +/******************************************************************************* + * * + * THIS FILE IS INCLUDED IN TAGLIB, BUT IS NOT COPYRIGHTED BY THE TAGLIB * + * AUTHORS, NOT PART OF THE TAGLIB API AND COULD GO AWAY AT ANY POINT IN TIME. * + * AS SUCH IT SHOULD BE CONSIERED FOR INTERNAL USE ONLY. * + * * + *******************************************************************************/ + +#ifndef DO_NOT_DOCUMENT // tell Doxygen not to document this header + +/* + * Copyright 2001 Unicode, Inc. + * + * Disclaimer + * + * This source code is provided as is by Unicode, Inc. No claims are + * made as to fitness for any particular purpose. No warranties of any + * kind are expressed or implied. The recipient agrees to determine + * applicability of information provided. If this file has been + * purchased on magnetic or optical media from Unicode, Inc., the + * sole remedy for any claim will be exchange of defective media + * within 90 days of receipt. + * + * Limitations on Rights to Redistribute This Code + * + * Unicode, Inc. hereby grants the right to freely use the information + * supplied in this file in the creation of products supporting the + * Unicode Standard, and to make copies of this file in any form + * for internal or external distribution as long as this notice + * remains attached. + */ + +/* + * This file has been modified by Scott Wheeler <wheeler@kde.org> to remove + * the UTF32 conversion functions and to place the appropriate functions + * in their own C++ namespace. + */ + +/* --------------------------------------------------------------------- + + Conversions between UTF32, UTF-16, and UTF-8. Header file. + + Several functions are included here, forming a complete set of + conversions between the three formats. UTF-7 is not included + here, but is handled in a separate source file. + + Each of these routines takes pointers to input buffers and output + buffers. The input buffers are const. + + Each routine converts the text between *sourceStart and sourceEnd, + putting the result into the buffer between *targetStart and + targetEnd. Note: the end pointers are *after* the last item: e.g. + *(sourceEnd - 1) is the last item. + + The return result indicates whether the conversion was successful, + and if not, whether the problem was in the source or target buffers. + (Only the first encountered problem is indicated.) + + After the conversion, *sourceStart and *targetStart are both + updated to point to the end of last text successfully converted in + the respective buffers. + + Input parameters: + sourceStart - pointer to a pointer to the source buffer. + The contents of this are modified on return so that + it points at the next thing to be converted. + targetStart - similarly, pointer to pointer to the target buffer. + sourceEnd, targetEnd - respectively pointers to the ends of the + two buffers, for overflow checking only. + + These conversion functions take a ConversionFlags argument. When this + flag is set to strict, both irregular sequences and isolated surrogates + will cause an error. When the flag is set to lenient, both irregular + sequences and isolated surrogates are converted. + + Whether the flag is strict or lenient, all illegal sequences will cause + an error return. This includes sequences such as: <F4 90 80 80>, <C0 80>, + or <A0> in UTF-8, and values above 0x10FFFF in UTF-32. Conformant code + must check for illegal sequences. + + When the flag is set to lenient, characters over 0x10FFFF are converted + to the replacement character; otherwise (when the flag is set to strict) + they constitute an error. + + Output parameters: + The value "sourceIllegal" is returned from some routines if the input + sequence is malformed. When "sourceIllegal" is returned, the source + value will point to the illegal value that caused the problem. E.g., + in UTF-8 when a sequence is malformed, it points to the start of the + malformed sequence. + + Author: Mark E. Davis, 1994. + Rev History: Rick McGowan, fixes & updates May 2001. + Fixes & updates, Sept 2001. + +------------------------------------------------------------------------ */ + +/* --------------------------------------------------------------------- + The following 4 definitions are compiler-specific. + The C standard does not guarantee that wchar_t has at least + 16 bits, so wchar_t is no less portable than unsigned short! + All should be unsigned values to avoid sign extension during + bit mask & shift operations. +------------------------------------------------------------------------ */ + +/* Some fundamental constants */ +#define UNI_REPLACEMENT_CHAR (UTF32)0x0000FFFD +#define UNI_MAX_BMP (UTF32)0x0000FFFF +#define UNI_MAX_UTF16 (UTF32)0x0010FFFF +#define UNI_MAX_UTF32 (UTF32)0x7FFFFFFF + +namespace Unicode { + +typedef unsigned long UTF32; /* at least 32 bits */ +typedef unsigned short UTF16; /* at least 16 bits */ +typedef unsigned char UTF8; /* typically 8 bits */ +typedef unsigned char Boolean; /* 0 or 1 */ + +typedef enum { + conversionOK = 0, /* conversion successful */ + sourceExhausted = 1, /* partial character in source, but hit end */ + targetExhausted = 2, /* insuff. room in target for conversion */ + sourceIllegal = 3 /* source sequence is illegal/malformed */ +} ConversionResult; + +typedef enum { + strictConversion = 0, + lenientConversion +} ConversionFlags; + +ConversionResult ConvertUTF8toUTF16 ( + const UTF8** sourceStart, const UTF8* sourceEnd, + UTF16** targetStart, UTF16* targetEnd, ConversionFlags flags); + +ConversionResult ConvertUTF16toUTF8 ( + const UTF16** sourceStart, const UTF16* sourceEnd, + UTF8** targetStart, UTF8* targetEnd, ConversionFlags flags); + +Boolean isLegalUTF8Sequence(const UTF8 *source, const UTF8 *sourceEnd); + +} // namespace Unicode + +/* --------------------------------------------------------------------- */ + +#endif +#endif diff --git a/libs/taglib/taglib/trueaudio/CMakeLists.txt b/libs/taglib/taglib/trueaudio/CMakeLists.txt new file mode 100644 index 0000000000..3a1c3e7b4e --- /dev/null +++ b/libs/taglib/taglib/trueaudio/CMakeLists.txt @@ -0,0 +1 @@ +INSTALL( FILES trueaudiofile.h trueaudioproperties.h DESTINATION ${INCLUDE_INSTALL_DIR}/taglib) diff --git a/libs/taglib/taglib/trueaudio/Makefile.am b/libs/taglib/taglib/trueaudio/Makefile.am new file mode 100644 index 0000000000..7c640304f8 --- /dev/null +++ b/libs/taglib/taglib/trueaudio/Makefile.am @@ -0,0 +1,14 @@ +INCLUDES = \ + -I$(top_srcdir)/taglib \ + -I$(top_srcdir)/taglib/toolkit \ + -I$(top_srcdir)/taglib/mpc \ + -I$(top_srcdir)/taglib/mpeg/id3v1 \ + -I$(top_srcdir)/taglib/mpeg/id3v2 \ + $(all_includes) + +noinst_LTLIBRARIES = libtrueaudio.la + +libtrueaudio_la_SOURCES = trueaudiofile.cpp trueaudioproperties.cpp + +taglib_include_HEADERS = trueaudiofile.h trueaudioproperties.h +taglib_includedir = $(includedir)/taglib diff --git a/libs/taglib/taglib/trueaudio/Makefile.in b/libs/taglib/taglib/trueaudio/Makefile.in new file mode 100644 index 0000000000..c4c7b33f1b --- /dev/null +++ b/libs/taglib/taglib/trueaudio/Makefile.in @@ -0,0 +1,625 @@ +# Makefile.in generated by automake 1.10 from Makefile.am. +# KDE tags expanded automatically by am_edit - $Revision: 483858 $ +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +# This Makefile.in is free software; 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do \ + case '$(am__configure_deps)' in \ + *$$dep*) \ + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \ + && exit 0; \ + exit 1;; \ + esac; \ + done; \ + echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu taglib/trueaudio/Makefile'; \ + cd $(top_srcdir) && \ + $(AUTOMAKE) --gnu taglib/trueaudio/Makefile + cd $(top_srcdir) && perl admin/am_edit taglib/trueaudio/Makefile.in + + +#>+ 21 +clean-bcheck: + rm -f *.bchecktest.cc *.bchecktest.cc.class a.out + +bcheck: bcheck-am + +bcheck-am: + @for i in $(taglib_include_HEADERS); do \ + if test $(srcdir)/$$i -nt $$i.bchecktest.cc; then \ + echo "int main() {return 0;}" > $$i.bchecktest.cc ; \ + echo "#include \"$$i\"" >> $$i.bchecktest.cc ; \ + echo "$$i"; \ + if ! $(CXXCOMPILE) --dump-class-hierarchy -c $$i.bchecktest.cc; then \ + rm -f $$i.bchecktest.cc; exit 1; \ + fi ; \ + echo "" >> $$i.bchecktest.cc.class; \ + perl $(top_srcdir)/admin/bcheck.pl $$i.bchecktest.cc.class || { rm -f $$i.bchecktest.cc; exit 1; }; \ + rm -f a.out; \ + fi ; \ + done + + +#>+ 11 +libtrueaudio_la.all_cpp.cpp: $(srcdir)/Makefile.in $(srcdir)/trueaudiofile.cpp $(srcdir)/trueaudioproperties.cpp + @echo 'creating libtrueaudio_la.all_cpp.cpp ...'; \ + rm -f libtrueaudio_la.all_cpp.files libtrueaudio_la.all_cpp.final; \ + echo "#define KDE_USE_FINAL 1" >> libtrueaudio_la.all_cpp.final; \ + for file in trueaudiofile.cpp trueaudioproperties.cpp ; do \ + echo "#include \"$$file\"" >> libtrueaudio_la.all_cpp.files; \ + test ! -f $(srcdir)/$$file || egrep '^#pragma +implementation' $(srcdir)/$$file >> libtrueaudio_la.all_cpp.final; \ + done; \ + cat libtrueaudio_la.all_cpp.final libtrueaudio_la.all_cpp.files > libtrueaudio_la.all_cpp.cpp; \ + rm -f libtrueaudio_la.all_cpp.final libtrueaudio_la.all_cpp.files + +#>+ 3 +clean-final: + -rm -f libtrueaudio_la.all_cpp.cpp + +#>+ 3 +final: + $(MAKE) libtrueaudio_la_OBJECTS="$(libtrueaudio_la_final_OBJECTS)" all-am + +#>+ 3 +final-install: + $(MAKE) libtrueaudio_la_OBJECTS="$(libtrueaudio_la_final_OBJECTS)" install-am + +#>+ 3 +no-final: + $(MAKE) libtrueaudio_la_OBJECTS="$(libtrueaudio_la_nofinal_OBJECTS)" all-am + +#>+ 3 +no-final-install: + $(MAKE) libtrueaudio_la_OBJECTS="$(libtrueaudio_la_nofinal_OBJECTS)" install-am + +#>+ 3 +kde-rpo-clean: + -rm -f *.rpo + +#>+ 3 +nmcheck: +nmcheck-am: nmcheck diff --git a/libs/taglib/taglib/trueaudio/trueaudiofile.cpp b/libs/taglib/taglib/trueaudio/trueaudiofile.cpp new file mode 100644 index 0000000000..2a0ccaa705 --- /dev/null +++ b/libs/taglib/taglib/trueaudio/trueaudiofile.cpp @@ -0,0 +1,274 @@ +/*************************************************************************** + copyright : (C) 2006 by Lukáš Lalinský + email : lalinsky@gmail.com + + copyright : (C) 2004 by Allan Sandfeld Jensen + email : kde@carewolf.org + (original MPC implementation) + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tbytevector.h> +#include <tstring.h> +#include <tdebug.h> +#include <tagunion.h> + +#include "trueaudiofile.h" +#include "id3v1tag.h" +#include "id3v2tag.h" +#include "id3v2header.h" + +using namespace TagLib; + +namespace +{ + enum { ID3v2Index = 0, ID3v1Index = 1 }; +} + +class TrueAudio::File::FilePrivate +{ +public: + FilePrivate(const ID3v2::FrameFactory *frameFactory = ID3v2::FrameFactory::instance()) : + ID3v2FrameFactory(frameFactory), + ID3v2Location(-1), + ID3v2OriginalSize(0), + ID3v1Location(-1), + properties(0), + scanned(false), + hasID3v1(false), + hasID3v2(false) {} + + ~FilePrivate() + { + delete properties; + } + + const ID3v2::FrameFactory *ID3v2FrameFactory; + long ID3v2Location; + uint ID3v2OriginalSize; + + long ID3v1Location; + + TagUnion tag; + + Properties *properties; + bool scanned; + + // These indicate whether the file *on disk* has these tags, not if + // this data structure does. This is used in computing offsets. + + bool hasID3v1; + bool hasID3v2; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +TrueAudio::File::File(FileName file, bool readProperties, + Properties::ReadStyle propertiesStyle) : TagLib::File(file) +{ + d = new FilePrivate; + if(isOpen()) + read(readProperties, propertiesStyle); +} + +TrueAudio::File::File(FileName file, ID3v2::FrameFactory *frameFactory, + bool readProperties, Properties::ReadStyle propertiesStyle) : + TagLib::File(file) +{ + d = new FilePrivate(frameFactory); + if(isOpen()) + read(readProperties, propertiesStyle); +} + +TrueAudio::File::~File() +{ + delete d; +} + +TagLib::Tag *TrueAudio::File::tag() const +{ + return &d->tag; +} + +TrueAudio::Properties *TrueAudio::File::audioProperties() const +{ + return d->properties; +} + +void TrueAudio::File::setID3v2FrameFactory(const ID3v2::FrameFactory *factory) +{ + d->ID3v2FrameFactory = factory; +} + +bool TrueAudio::File::save() +{ + if(readOnly()) { + debug("TrueAudio::File::save() -- File is read only."); + return false; + } + + // Update ID3v2 tag + + if(ID3v2Tag() && !ID3v2Tag()->isEmpty()) { + if(!d->hasID3v2) { + d->ID3v2Location = 0; + d->ID3v2OriginalSize = 0; + } + ByteVector data = ID3v2Tag()->render(); + insert(data, d->ID3v2Location, d->ID3v2OriginalSize); + d->ID3v1Location -= d->ID3v2OriginalSize - data.size(); + d->ID3v2OriginalSize = data.size(); + d->hasID3v2 = true; + } + else if(d->hasID3v2) { + removeBlock(d->ID3v2Location, d->ID3v2OriginalSize); + d->ID3v1Location -= d->ID3v2OriginalSize; + d->ID3v2Location = -1; + d->ID3v2OriginalSize = 0; + d->hasID3v2 = false; + } + + // Update ID3v1 tag + + if(ID3v1Tag() && !ID3v1Tag()->isEmpty()) { + if(!d->hasID3v1) { + seek(0, End); + d->ID3v1Location = tell(); + } + else + seek(d->ID3v1Location); + writeBlock(ID3v1Tag()->render()); + d->hasID3v1 = true; + } + else if(d->hasID3v1) { + removeBlock(d->ID3v1Location, 128); + d->ID3v1Location = -1; + d->hasID3v1 = false; + } + + return true; +} + +ID3v1::Tag *TrueAudio::File::ID3v1Tag(bool create) +{ + return d->tag.access<ID3v1::Tag>(ID3v1Index, create); +} + +ID3v2::Tag *TrueAudio::File::ID3v2Tag(bool create) +{ + return d->tag.access<ID3v2::Tag>(ID3v2Index, create); +} + +void TrueAudio::File::strip(int tags) +{ + if(tags & ID3v1) { + d->tag.set(ID3v1Index, 0); + ID3v2Tag(true); + } + + if(tags & ID3v2) { + d->tag.set(ID3v2Index, 0); + + if(!ID3v1Tag()) + ID3v2Tag(true); + } +} + + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +void TrueAudio::File::read(bool readProperties, Properties::ReadStyle /* propertiesStyle */) +{ + // Look for an ID3v2 tag + + d->ID3v2Location = findID3v2(); + + if(d->ID3v2Location >= 0) { + + d->tag.set(ID3v2Index, new ID3v2::Tag(this, d->ID3v2Location, d->ID3v2FrameFactory)); + + d->ID3v2OriginalSize = ID3v2Tag()->header()->completeTagSize(); + + if(ID3v2Tag()->header()->tagSize() <= 0) + d->tag.set(ID3v2Index, 0); + else + d->hasID3v2 = true; + } + + // Look for an ID3v1 tag + + d->ID3v1Location = findID3v1(); + + if(d->ID3v1Location >= 0) { + d->tag.set(ID3v1Index, new ID3v1::Tag(this, d->ID3v1Location)); + d->hasID3v1 = true; + } + + if(!d->hasID3v1) + ID3v2Tag(true); + + // Look for TrueAudio metadata + + if(readProperties) { + if(d->ID3v2Location >= 0) { + seek(d->ID3v2Location + d->ID3v2OriginalSize); + d->properties = new Properties(readBlock(TrueAudio::HeaderSize), + length() - d->ID3v2OriginalSize); + } + else { + seek(0); + d->properties = new Properties(readBlock(TrueAudio::HeaderSize), + length()); + } + } +} + +long TrueAudio::File::findID3v1() +{ + if(!isValid()) + return -1; + + seek(-128, End); + long p = tell(); + + if(readBlock(3) == ID3v1::Tag::fileIdentifier()) + return p; + + return -1; +} + +long TrueAudio::File::findID3v2() +{ + if(!isValid()) + return -1; + + seek(0); + + if(readBlock(3) == ID3v2::Header::fileIdentifier()) + return 0; + + return -1; +} diff --git a/libs/taglib/taglib/trueaudio/trueaudiofile.h b/libs/taglib/taglib/trueaudio/trueaudiofile.h new file mode 100644 index 0000000000..bd30baa85c --- /dev/null +++ b/libs/taglib/taglib/trueaudio/trueaudiofile.h @@ -0,0 +1,180 @@ +/*************************************************************************** + copyright : (C) 2006 by Lukáš Lalinský + email : lalinsky@gmail.com + + copyright : (C) 2004 by Allan Sandfeld Jensen + email : kde@carewolf.org + (original MPC implementation) + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_TRUEAUDIOFILE_H +#define TAGLIB_TRUEAUDIOFILE_H + +#include <tfile.h> +#include "trueaudioproperties.h" + +namespace TagLib { + + class Tag; + + namespace ID3v2 { class Tag; class FrameFactory; } + namespace ID3v1 { class Tag; } + + //! An implementation of TrueAudio metadata + + /*! + * This is implementation of TrueAudio metadata. + * + * This supports ID3v1 and ID3v2 tags as well as reading stream + * properties from the file. + */ + + namespace TrueAudio { + + //! An implementation of TagLib::File with TrueAudio specific methods + + /*! + * This implements and provides an interface for TrueAudio files to the + * TagLib::Tag and TagLib::AudioProperties interfaces by way of implementing + * the abstract TagLib::File API as well as providing some additional + * information specific to TrueAudio files. + */ + + class TAGLIB_EXPORT File : public TagLib::File + { + public: + /*! + * This set of flags is used for various operations and is suitable for + * being OR-ed together. + */ + enum TagTypes { + //! Empty set. Matches no tag types. + NoTags = 0x0000, + //! Matches ID3v1 tags. + ID3v1 = 0x0001, + //! Matches ID3v2 tags. + ID3v2 = 0x0002, + //! Matches all tag types. + AllTags = 0xffff + }; + + /*! + * Contructs an TrueAudio file from \a file. If \a readProperties is true the + * file's audio properties will also be read using \a propertiesStyle. If + * false, \a propertiesStyle is ignored. + */ + File(FileName file, bool readProperties = true, + Properties::ReadStyle propertiesStyle = Properties::Average); + + /*! + * Contructs an TrueAudio file from \a file. If \a readProperties is true the + * file's audio properties will also be read using \a propertiesStyle. If + * false, \a propertiesStyle is ignored. The frames will be created using + * \a frameFactory. + */ + File(FileName file, ID3v2::FrameFactory *frameFactory, + bool readProperties = true, + Properties::ReadStyle propertiesStyle = Properties::Average); + + /*! + * Destroys this instance of the File. + */ + virtual ~File(); + + /*! + * Returns the Tag for this file. + */ + virtual TagLib::Tag *tag() const; + + /*! + * Returns the TrueAudio::Properties for this file. If no audio properties + * were read then this will return a null pointer. + */ + virtual Properties *audioProperties() const; + + /*! + * Set the ID3v2::FrameFactory to something other than the default. + * + * \see ID3v2FrameFactory + */ + void setID3v2FrameFactory(const ID3v2::FrameFactory *factory); + + /*! + * Saves the file. + */ + virtual bool save(); + + /*! + * Returns a pointer to the ID3v2 tag of the file. + * + * If \a create is false (the default) this will return a null pointer + * if there is no valid ID3v2 tag. If \a create is true it will create + * an ID3v1 tag if one does not exist. If there is already an APE tag, the + * new ID3v1 tag will be placed after it. + * + * \note The Tag <b>is still</b> owned by the TrueAudio::File and should not be + * deleted by the user. It will be deleted when the file (object) is + * destroyed. + */ + ID3v1::Tag *ID3v1Tag(bool create = false); + + /*! + * Returns a pointer to the ID3v1 tag of the file. + * + * If \a create is false (the default) this will return a null pointer + * if there is no valid ID3v1 tag. If \a create is true it will create + * an ID3v1 tag if one does not exist. If there is already an APE tag, the + * new ID3v1 tag will be placed after it. + * + * \note The Tag <b>is still</b> owned by the TrueAudio::File and should not be + * deleted by the user. It will be deleted when the file (object) is + * destroyed. + */ + ID3v2::Tag *ID3v2Tag(bool create = false); + + /*! + * This will remove the tags that match the OR-ed together TagTypes from the + * file. By default it removes all tags. + * + * \note This will also invalidate pointers to the tags + * as their memory will be freed. + * \note In order to make the removal permanent save() still needs to be called + */ + void strip(int tags = AllTags); + + private: + File(const File &); + File &operator=(const File &); + + void read(bool readProperties, Properties::ReadStyle propertiesStyle); + void scan(); + long findID3v1(); + long findID3v2(); + + class FilePrivate; + FilePrivate *d; + }; + } +} + +#endif diff --git a/libs/taglib/taglib/trueaudio/trueaudioproperties.cpp b/libs/taglib/taglib/trueaudio/trueaudioproperties.cpp new file mode 100644 index 0000000000..ff65edf9f8 --- /dev/null +++ b/libs/taglib/taglib/trueaudio/trueaudioproperties.cpp @@ -0,0 +1,136 @@ +/*************************************************************************** + copyright : (C) 2006 by Lukáš Lalinský + email : lalinsky@gmail.com + + copyright : (C) 2004 by Allan Sandfeld Jensen + email : kde@carewolf.org + (original MPC implementation) + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tstring.h> +#include <tdebug.h> +#include <bitset> + +#include "trueaudioproperties.h" +#include "trueaudiofile.h" + +using namespace TagLib; + +class TrueAudio::Properties::PropertiesPrivate +{ +public: + PropertiesPrivate(const ByteVector &d, long length, ReadStyle s) : + data(d), + streamLength(length), + style(s), + version(0), + length(0), + bitrate(0), + sampleRate(0), + channels(0), + bitsPerSample(0) {} + + ByteVector data; + long streamLength; + ReadStyle style; + int version; + int length; + int bitrate; + int sampleRate; + int channels; + int bitsPerSample; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +TrueAudio::Properties::Properties(const ByteVector &data, long streamLength, ReadStyle style) : AudioProperties(style) +{ + d = new PropertiesPrivate(data, streamLength, style); + read(); +} + +TrueAudio::Properties::~Properties() +{ + delete d; +} + +int TrueAudio::Properties::length() const +{ + return d->length; +} + +int TrueAudio::Properties::bitrate() const +{ + return d->bitrate; +} + +int TrueAudio::Properties::sampleRate() const +{ + return d->sampleRate; +} + +int TrueAudio::Properties::bitsPerSample() const +{ + return d->bitsPerSample; +} + +int TrueAudio::Properties::channels() const +{ + return d->channels; +} + +int TrueAudio::Properties::ttaVersion() const +{ + return d->version; +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +void TrueAudio::Properties::read() +{ + if(!d->data.startsWith("TTA")) + return; + + int pos = 3; + + d->version = d->data[pos] - '0'; + pos += 1 + 2; + + d->channels = d->data.mid(pos, 2).toShort(false); + pos += 2; + + d->bitsPerSample = d->data.mid(pos, 2).toShort(false); + pos += 2; + + d->sampleRate = d->data.mid(pos, 4).toUInt(false); + pos += 4; + + unsigned long samples = d->data.mid(pos, 4).toUInt(false); + d->length = samples / d->sampleRate; + + d->bitrate = d->length > 0 ? ((d->streamLength * 8L) / d->length) / 1000 : 0; +} diff --git a/libs/taglib/taglib/trueaudio/trueaudioproperties.h b/libs/taglib/taglib/trueaudio/trueaudioproperties.h new file mode 100644 index 0000000000..b89fe9d1b1 --- /dev/null +++ b/libs/taglib/taglib/trueaudio/trueaudioproperties.h @@ -0,0 +1,93 @@ +/*************************************************************************** + copyright : (C) 2006 by Lukáš Lalinský + email : lalinsky@gmail.com + + copyright : (C) 2004 by Allan Sandfeld Jensen + email : kde@carewolf.org + (original MPC implementation) + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_TRUEAUDIOPROPERTIES_H +#define TAGLIB_TRUEAUDIOPROPERTIES_H + +#include "audioproperties.h" + +namespace TagLib { + + namespace TrueAudio { + + class File; + + static const uint HeaderSize = 18; + + //! An implementation of audio property reading for TrueAudio + + /*! + * This reads the data from an TrueAudio stream found in the AudioProperties + * API. + */ + + class TAGLIB_EXPORT Properties : public AudioProperties + { + public: + /*! + * Create an instance of TrueAudio::Properties with the data read from the + * ByteVector \a data. + */ + Properties(const ByteVector &data, long streamLength, ReadStyle style = Average); + + /*! + * Destroys this TrueAudio::Properties instance. + */ + virtual ~Properties(); + + // Reimplementations. + + virtual int length() const; + virtual int bitrate() const; + virtual int sampleRate() const; + virtual int channels() const; + + /*! + * Returns number of bits per sample. + */ + int bitsPerSample() const; + + /*! + * Returns the major version number. + */ + int ttaVersion() const; + + private: + Properties(const Properties &); + Properties &operator=(const Properties &); + + void read(); + + class PropertiesPrivate; + PropertiesPrivate *d; + }; + } +} + +#endif diff --git a/libs/taglib/taglib/wavpack/CMakeLists.txt b/libs/taglib/taglib/wavpack/CMakeLists.txt new file mode 100644 index 0000000000..8b9de0fdf9 --- /dev/null +++ b/libs/taglib/taglib/wavpack/CMakeLists.txt @@ -0,0 +1 @@ +INSTALL( FILES wavpackfile.h wavpackproperties.h DESTINATION ${INCLUDE_INSTALL_DIR}/taglib) diff --git a/libs/taglib/taglib/wavpack/Makefile.am b/libs/taglib/taglib/wavpack/Makefile.am new file mode 100644 index 0000000000..4455177ea0 --- /dev/null +++ b/libs/taglib/taglib/wavpack/Makefile.am @@ -0,0 +1,15 @@ +INCLUDES = \ + -I$(top_srcdir)/taglib \ + -I$(top_srcdir)/taglib/toolkit \ + -I$(top_srcdir)/taglib/ape \ + -I$(top_srcdir)/taglib/mpc \ + -I$(top_srcdir)/taglib/mpeg/id3v1 \ + -I$(top_srcdir)/taglib/mpeg/id3v2 \ + $(all_includes) + +noinst_LTLIBRARIES = libwavpack.la + +libwavpack_la_SOURCES = wavpackfile.cpp wavpackproperties.cpp + +taglib_include_HEADERS = wavpackfile.h wavpackproperties.h +taglib_includedir = $(includedir)/taglib diff --git a/libs/taglib/taglib/wavpack/Makefile.in b/libs/taglib/taglib/wavpack/Makefile.in new file mode 100644 index 0000000000..3193e7fd5d --- /dev/null +++ b/libs/taglib/taglib/wavpack/Makefile.in @@ -0,0 +1,626 @@ +# Makefile.in generated by automake 1.10 from Makefile.am. +# KDE tags expanded automatically by am_edit - $Revision: 483858 $ +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +target_triplet = @target@ +subdir = taglib/wavpack +DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \ + $(taglib_include_HEADERS) +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \ + $(top_srcdir)/configure.in +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +mkinstalldirs = $(SHELL) $(top_srcdir)/admin/mkinstalldirs +CONFIG_HEADER = $(top_builddir)/config.h +CONFIG_CLEAN_FILES = +LTLIBRARIES = $(noinst_LTLIBRARIES) +libwavpack_la_LIBADD = +am_libwavpack_la_OBJECTS = wavpackfile.lo wavpackproperties.lo +#>- libwavpack_la_OBJECTS = $(am_libwavpack_la_OBJECTS) +#>+ 4 +libwavpack_la_final_OBJECTS = libwavpack_la.all_cpp.lo +libwavpack_la_nofinal_OBJECTS = wavpackfile.lo wavpackproperties.lo +@KDE_USE_FINAL_FALSE@libwavpack_la_OBJECTS = $(libwavpack_la_nofinal_OBJECTS) +@KDE_USE_FINAL_TRUE@libwavpack_la_OBJECTS = $(libwavpack_la_final_OBJECTS) +DEFAULT_INCLUDES = -I. -I$(top_builddir)@am__isrc@ +depcomp = $(SHELL) $(top_srcdir)/admin/depcomp +am__depfiles_maybe = depfiles +#>- CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ +#>- $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) +#>+ 2 +CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ + $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) $(KDE_CXXFLAGS) +#>- LTCXXCOMPILE = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ +#>- --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ +#>- $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) +#>+ 3 +LTCXXCOMPILE = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ + --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ + $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) $(KDE_CXXFLAGS) +CXXLD = $(CXX) +#>- CXXLINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ +#>- --mode=link $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) \ +#>- $(LDFLAGS) -o $@ +#>+ 3 +CXXLINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ + --mode=link $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(KDE_CXXFLAGS) $(AM_LDFLAGS) \ + $(LDFLAGS) -o $@ +SOURCES = $(libwavpack_la_SOURCES) +DIST_SOURCES = $(libwavpack_la_SOURCES) +am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; 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you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tbytevector.h> +#include <tstring.h> +#include <tdebug.h> +#include <tagunion.h> + +#include "wavpackfile.h" +#include "id3v1tag.h" +#include "id3v2header.h" +#include "apetag.h" +#include "apefooter.h" + +using namespace TagLib; + +namespace +{ + enum { APEIndex, ID3v1Index }; +} + +class WavPack::File::FilePrivate +{ +public: + FilePrivate() : + APELocation(-1), + APESize(0), + ID3v1Location(-1), + properties(0), + scanned(false), + hasAPE(false), + hasID3v1(false) {} + + ~FilePrivate() + { + delete properties; + } + + long APELocation; + uint APESize; + + long ID3v1Location; + + TagUnion tag; + + Properties *properties; + bool scanned; + + // These indicate whether the file *on disk* has these tags, not if + // this data structure does. This is used in computing offsets. + + bool hasAPE; + bool hasID3v1; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +WavPack::File::File(FileName file, bool readProperties, + Properties::ReadStyle propertiesStyle) : TagLib::File(file) +{ + d = new FilePrivate; + read(readProperties, propertiesStyle); +} + +WavPack::File::~File() +{ + delete d; +} + +TagLib::Tag *WavPack::File::tag() const +{ + return &d->tag; +} + +WavPack::Properties *WavPack::File::audioProperties() const +{ + return d->properties; +} + +bool WavPack::File::save() +{ + if(readOnly()) { + debug("WavPack::File::save() -- File is read only."); + return false; + } + + // Update ID3v1 tag + + if(ID3v1Tag()) { + if(d->hasID3v1) { + seek(d->ID3v1Location); + writeBlock(ID3v1Tag()->render()); + } + else { + seek(0, End); + d->ID3v1Location = tell(); + writeBlock(ID3v1Tag()->render()); + d->hasID3v1 = true; + } + } + else { + if(d->hasID3v1) { + removeBlock(d->ID3v1Location, 128); + d->hasID3v1 = false; + if(d->hasAPE) { + if(d->APELocation > d->ID3v1Location) + d->APELocation -= 128; + } + } + } + + // Update APE tag + + if(APETag()) { + if(d->hasAPE) + insert(APETag()->render(), d->APELocation, d->APESize); + else { + if(d->hasID3v1) { + insert(APETag()->render(), d->ID3v1Location, 0); + d->APESize = APETag()->footer()->completeTagSize(); + d->hasAPE = true; + d->APELocation = d->ID3v1Location; + d->ID3v1Location += d->APESize; + } + else { + seek(0, End); + d->APELocation = tell(); + writeBlock(APETag()->render()); + d->APESize = APETag()->footer()->completeTagSize(); + d->hasAPE = true; + } + } + } + else { + if(d->hasAPE) { + removeBlock(d->APELocation, d->APESize); + d->hasAPE = false; + if(d->hasID3v1) { + if(d->ID3v1Location > d->APELocation) { + d->ID3v1Location -= d->APESize; + } + } + } + } + + return true; +} + +ID3v1::Tag *WavPack::File::ID3v1Tag(bool create) +{ + return d->tag.access<ID3v1::Tag>(ID3v1Index, create); +} + +APE::Tag *WavPack::File::APETag(bool create) +{ + return d->tag.access<APE::Tag>(APEIndex, create); +} + +void WavPack::File::strip(int tags) +{ + if(tags & ID3v1) { + d->tag.set(ID3v1Index, 0); + APETag(true); + } + + if(tags & APE) { + d->tag.set(APEIndex, 0); + + if(!ID3v1Tag()) + APETag(true); + } +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +void WavPack::File::read(bool readProperties, Properties::ReadStyle /* propertiesStyle */) +{ + // Look for an ID3v1 tag + + d->ID3v1Location = findID3v1(); + + if(d->ID3v1Location >= 0) { + d->tag.set(ID3v1Index, new ID3v1::Tag(this, d->ID3v1Location)); + d->hasID3v1 = true; + } + + // Look for an APE tag + + d->APELocation = findAPE(); + + if(d->APELocation >= 0) { + d->tag.set(APEIndex, new APE::Tag(this, d->APELocation)); + d->APESize = APETag()->footer()->completeTagSize(); + d->APELocation = d->APELocation + APETag()->footer()->size() - d->APESize; + d->hasAPE = true; + } + + if(!d->hasID3v1) + APETag(true); + + // Look for WavPack audio properties + + if(readProperties) { + seek(0); + d->properties = new Properties(readBlock(WavPack::HeaderSize), + length() - d->APESize); + } +} + +long WavPack::File::findAPE() +{ + if(!isValid()) + return -1; + + if(d->hasID3v1) + seek(-160, End); + else + seek(-32, End); + + long p = tell(); + + if(readBlock(8) == APE::Tag::fileIdentifier()) + return p; + + return -1; +} + +long WavPack::File::findID3v1() +{ + if(!isValid()) + return -1; + + seek(-128, End); + long p = tell(); + + if(readBlock(3) == ID3v1::Tag::fileIdentifier()) + return p; + + return -1; +} diff --git a/libs/taglib/taglib/wavpack/wavpackfile.h b/libs/taglib/taglib/wavpack/wavpackfile.h new file mode 100644 index 0000000000..e43a987887 --- /dev/null +++ b/libs/taglib/taglib/wavpack/wavpackfile.h @@ -0,0 +1,164 @@ +/*************************************************************************** + copyright : (C) 2006 by Lukáš Lalinský + email : lalinsky@gmail.com + + copyright : (C) 2004 by Allan Sandfeld Jensen + email : kde@carewolf.org + (original MPC implementation) + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_WVFILE_H +#define TAGLIB_WVFILE_H + +#include <tfile.h> +#include "taglib_export.h" +#include "wavpackproperties.h" + +namespace TagLib { + + class Tag; + + namespace ID3v1 { class Tag; } + namespace APE { class Tag; } + + //! An implementation of WavPack metadata + + /*! + * This is implementation of WavPack metadata. + * + * This supports ID3v1 and APE (v1 and v2) style comments as well as reading stream + * properties from the file. + */ + + namespace WavPack { + + //! An implementation of TagLib::File with WavPack specific methods + + /*! + * This implements and provides an interface for WavPack files to the + * TagLib::Tag and TagLib::AudioProperties interfaces by way of implementing + * the abstract TagLib::File API as well as providing some additional + * information specific to WavPack files. + */ + + class TAGLIB_EXPORT File : public TagLib::File + { + public: + /*! + * This set of flags is used for various operations and is suitable for + * being OR-ed together. + */ + enum TagTypes { + //! Empty set. Matches no tag types. + NoTags = 0x0000, + //! Matches ID3v1 tags. + ID3v1 = 0x0001, + //! Matches APE tags. + APE = 0x0002, + //! Matches all tag types. + AllTags = 0xffff + }; + + /*! + * Contructs an WavPack file from \a file. If \a readProperties is true the + * file's audio properties will also be read using \a propertiesStyle. If + * false, \a propertiesStyle is ignored. + */ + File(FileName file, bool readProperties = true, + Properties::ReadStyle propertiesStyle = Properties::Average); + + /*! + * Destroys this instance of the File. + */ + virtual ~File(); + + /*! + * Returns the Tag for this file. This will be an APE tag, an ID3v1 tag + * or a combination of the two. + */ + virtual TagLib::Tag *tag() const; + + /*! + * Returns the MPC::Properties for this file. If no audio properties + * were read then this will return a null pointer. + */ + virtual Properties *audioProperties() const; + + /*! + * Saves the file. + */ + virtual bool save(); + + /*! + * Returns a pointer to the ID3v1 tag of the file. + * + * If \a create is false (the default) this will return a null pointer + * if there is no valid ID3v1 tag. If \a create is true it will create + * an ID3v1 tag if one does not exist. If there is already an APE tag, the + * new ID3v1 tag will be placed after it. + * + * \note The Tag <b>is still</b> owned by the APE::File and should not be + * deleted by the user. It will be deleted when the file (object) is + * destroyed. + */ + ID3v1::Tag *ID3v1Tag(bool create = false); + + /*! + * Returns a pointer to the APE tag of the file. + * + * If \a create is false (the default) this will return a null pointer + * if there is no valid APE tag. If \a create is true it will create + * a APE tag if one does not exist. + * + * \note The Tag <b>is still</b> owned by the APE::File and should not be + * deleted by the user. It will be deleted when the file (object) is + * destroyed. + */ + APE::Tag *APETag(bool create = false); + + /*! + * This will remove the tags that match the OR-ed together TagTypes from the + * file. By default it removes all tags. + * + * \note This will also invalidate pointers to the tags + * as their memory will be freed. + * \note In order to make the removal permanent save() still needs to be called + */ + void strip(int tags = AllTags); + + private: + File(const File &); + File &operator=(const File &); + + void read(bool readProperties, Properties::ReadStyle propertiesStyle); + void scan(); + long findID3v1(); + long findAPE(); + + class FilePrivate; + FilePrivate *d; + }; + } +} + +#endif diff --git a/libs/taglib/taglib/wavpack/wavpackproperties.cpp b/libs/taglib/taglib/wavpack/wavpackproperties.cpp new file mode 100644 index 0000000000..ec7a9bf606 --- /dev/null +++ b/libs/taglib/taglib/wavpack/wavpackproperties.cpp @@ -0,0 +1,143 @@ +/*************************************************************************** + copyright : (C) 2006 by Lukáš Lalinský + email : lalinsky@gmail.com + + copyright : (C) 2004 by Allan Sandfeld Jensen + email : kde@carewolf.org + (original MPC implementation) + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#include <tstring.h> +#include <tdebug.h> +#include <bitset> + +#include "wavpackproperties.h" +#include "wavpackfile.h" + +using namespace TagLib; + +class WavPack::Properties::PropertiesPrivate +{ +public: + PropertiesPrivate(const ByteVector &d, long length, ReadStyle s) : + data(d), + streamLength(length), + style(s), + length(0), + bitrate(0), + sampleRate(0), + channels(0), + version(0), + bitsPerSample(0) {} + + ByteVector data; + long streamLength; + ReadStyle style; + int length; + int bitrate; + int sampleRate; + int channels; + int version; + int bitsPerSample; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +WavPack::Properties::Properties(const ByteVector &data, long streamLength, ReadStyle style) : AudioProperties(style) +{ + d = new PropertiesPrivate(data, streamLength, style); + read(); +} + +WavPack::Properties::~Properties() +{ + delete d; +} + +int WavPack::Properties::length() const +{ + return d->length; +} + +int WavPack::Properties::bitrate() const +{ + return d->bitrate; +} + +int WavPack::Properties::sampleRate() const +{ + return d->sampleRate; +} + +int WavPack::Properties::channels() const +{ + return d->channels; +} + +int WavPack::Properties::version() const +{ + return d->version; +} + +int WavPack::Properties::bitsPerSample() const +{ + return d->bitsPerSample; +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +static const unsigned int sample_rates[] = { 6000, 8000, 9600, 11025, 12000, + 16000, 22050, 24000, 32000, 44100, 48000, 64000, 88200, 96000, 192000 }; + +#define BYTES_STORED 3 +#define MONO_FLAG 4 + +#define SHIFT_LSB 13 +#define SHIFT_MASK (0x1fL << SHIFT_LSB) + +#define SRATE_LSB 23 +#define SRATE_MASK (0xfL << SRATE_LSB) + +void WavPack::Properties::read() +{ + if(!d->data.startsWith("wvpk")) + return; + + d->version = d->data.mid(8, 2).toShort(false); + + unsigned int flags = d->data.mid(24, 4).toUInt(false); + d->bitsPerSample = ((flags & BYTES_STORED) + 1) * 8 - + ((flags & SHIFT_MASK) >> SHIFT_LSB); + d->sampleRate = sample_rates[(flags & SRATE_MASK) >> SRATE_LSB]; + d->channels = (flags & MONO_FLAG) ? 1 : 2; + + unsigned int samples = d->data.mid(12, 4).toUInt(false); + d->length = d->sampleRate > 0 ? (samples + (d->sampleRate / 2)) / d->sampleRate : 0; + + d->bitrate = d->length > 0 ? ((d->streamLength * 8L) / d->length) / 1000 : 0; +} + diff --git a/libs/taglib/taglib/wavpack/wavpackproperties.h b/libs/taglib/taglib/wavpack/wavpackproperties.h new file mode 100644 index 0000000000..a77e4de469 --- /dev/null +++ b/libs/taglib/taglib/wavpack/wavpackproperties.h @@ -0,0 +1,94 @@ +/*************************************************************************** + copyright : (C) 2006 by Lukáš Lalinský + email : lalinsky@gmail.com + + copyright : (C) 2004 by Allan Sandfeld Jensen + email : kde@carewolf.org + (original MPC implementation) + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + * * + * Alternatively, this file is available under the Mozilla Public * + * License Version 1.1. You may obtain a copy of the License at * + * http://www.mozilla.org/MPL/ * + ***************************************************************************/ + +#ifndef TAGLIB_WVPROPERTIES_H +#define TAGLIB_WVPROPERTIES_H + +#include "taglib_export.h" +#include "audioproperties.h" + +namespace TagLib { + + namespace WavPack { + + class File; + + static const uint HeaderSize = 32; + + //! An implementation of audio property reading for WavPack + + /*! + * This reads the data from an WavPack stream found in the AudioProperties + * API. + */ + + class TAGLIB_EXPORT Properties : public AudioProperties + { + public: + /*! + * Create an instance of WavPack::Properties with the data read from the + * ByteVector \a data. + */ + Properties(const ByteVector &data, long streamLength, ReadStyle style = Average); + + /*! + * Destroys this WavPack::Properties instance. + */ + virtual ~Properties(); + + // Reimplementations. + + virtual int length() const; + virtual int bitrate() const; + virtual int sampleRate() const; + virtual int channels() const; + + /*! + * Returns number of bits per sample. + */ + int bitsPerSample() const; + + /*! + * Returns WavPack version. + */ + int version() const; + + private: + Properties(const Properties &); + Properties &operator=(const Properties &); + + void read(); + + class PropertiesPrivate; + PropertiesPrivate *d; + }; + } +} + +#endif |