diff options
Diffstat (limited to 'libs/taglib/taglib/ogg/flac/oggflacfile.cpp')
| -rw-r--r-- | libs/taglib/taglib/ogg/flac/oggflacfile.cpp | 270 |
1 files changed, 0 insertions, 270 deletions
diff --git a/libs/taglib/taglib/ogg/flac/oggflacfile.cpp b/libs/taglib/taglib/ogg/flac/oggflacfile.cpp deleted file mode 100644 index 9281fbaf1d..0000000000 --- a/libs/taglib/taglib/ogg/flac/oggflacfile.cpp +++ /dev/null @@ -1,270 +0,0 @@ -/*************************************************************************** - 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; -} |