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Diffstat (limited to 'libs/taglib/taglib/flac/flacfile.cpp')
-rw-r--r--libs/taglib/taglib/flac/flacfile.cpp431
1 files changed, 0 insertions, 431 deletions
diff --git a/libs/taglib/taglib/flac/flacfile.cpp b/libs/taglib/taglib/flac/flacfile.cpp
deleted file mode 100644
index 2cf35ad246..0000000000
--- a/libs/taglib/taglib/flac/flacfile.cpp
+++ /dev/null
@@ -1,431 +0,0 @@
-/***************************************************************************
- 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;
-}
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