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-rw-r--r--libs/libsndfile/src/wve.c125
1 files changed, 125 insertions, 0 deletions
diff --git a/libs/libsndfile/src/wve.c b/libs/libsndfile/src/wve.c
new file mode 100644
index 0000000000..54a08336c2
--- /dev/null
+++ b/libs/libsndfile/src/wve.c
@@ -0,0 +1,125 @@
+/*
+** Copyright (C) 2002-2004 Erik de Castro Lopo <erikd@mega-nerd.com>
+**
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU Lesser General Public License as published by
+** the Free Software Foundation; either version 2.1 of the License, or
+** (at your option) any later version.
+**
+** This program 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 program; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#include "sfconfig.h"
+
+#include <stdio.h>
+#include <fcntl.h>
+#include <string.h>
+#include <ctype.h>
+
+#include "sndfile.h"
+#include "sfendian.h"
+#include "common.h"
+
+#if (ENABLE_EXPERIMENTAL_CODE == 0)
+
+int
+wve_open (SF_PRIVATE *psf)
+{ if (psf)
+ return SFE_UNIMPLEMENTED ;
+ return (psf && 0) ;
+} /* wve_open */
+
+#else
+
+#define SFE_WVE_NOT_WVE 666
+
+/*------------------------------------------------------------------------------
+** Macros to handle big/little endian issues.
+*/
+
+#define ALAW_MARKER MAKE_MARKER ('A', 'L', 'a', 'w')
+#define SOUN_MARKER MAKE_MARKER ('S', 'o', 'u', 'n')
+#define DFIL_MARKER MAKE_MARKER ('d', 'F', 'i', 'l')
+
+/*------------------------------------------------------------------------------
+** Private static functions.
+*/
+
+static int wve_read_header (SF_PRIVATE *psf) ;
+
+/*------------------------------------------------------------------------------
+** Public function.
+*/
+
+int
+wve_open (SF_PRIVATE *psf)
+{ int subformat, error = 0 ;
+
+ if (psf->mode == SFM_WRITE || psf->mode == SFM_RDWR)
+ return SFE_UNIMPLEMENTED ;
+
+ if ((error = wve_read_header (psf)))
+ return error ;
+
+ if ((psf->sf.format & SF_FORMAT_TYPEMASK) != SF_FORMAT_WVE)
+ return SFE_BAD_OPEN_FORMAT ;
+
+ subformat = psf->sf.format & SF_FORMAT_SUBMASK ;
+
+ return error ;
+} /* wve_open */
+
+/*------------------------------------------------------------------------------
+*/
+
+static int
+wve_read_header (SF_PRIVATE *psf)
+{ int marker ;
+
+ /* Set position to start of file to begin reading header. */
+ psf_binheader_readf (psf, "pm", 0, &marker) ;
+ if (marker != ALAW_MARKER)
+ return SFE_WVE_NOT_WVE ;
+
+ psf_binheader_readf (psf, "m", &marker) ;
+ if (marker != SOUN_MARKER)
+ return SFE_WVE_NOT_WVE ;
+
+ psf_binheader_readf (psf, "m", &marker) ;
+ if (marker != DFIL_MARKER)
+ return SFE_WVE_NOT_WVE ;
+
+ psf_log_printf (psf, "Read only : Psion Palmtop Alaw (.wve)\n"
+ " Sample Rate : 8000\n"
+ " Channels : 1\n"
+ " Encoding : A-law\n") ;
+
+ psf->dataoffset = 0x20 ;
+ psf->datalength = psf->filelength - psf->dataoffset ;
+
+ psf->sf.format = SF_FORMAT_WVE | SF_FORMAT_ALAW ;
+ psf->sf.samplerate = 8000 ;
+ psf->sf.frames = psf->datalength ;
+ psf->sf.channels = 1 ;
+
+ return alaw_init (psf) ;
+} /* wve_read_header */
+
+/*------------------------------------------------------------------------------
+*/
+
+#endif
+/*
+** Do not edit or modify anything in this comment block.
+** The arch-tag line is a file identity tag for the GNU Arch
+** revision control system.
+**
+** arch-tag: ba368cb5-523f-45e4-98c1-5b99a102f73f
+*/