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280 lines
8.0 KiB
280 lines
8.0 KiB
/***************************************************************************
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begin : Sun Feb 17 2002
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copyright : (C) 2002 - 2004 by Scott Wheeler
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email : wheeler@kde.org
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include <kdebug.h>
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#include <tqregexp.h>
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#include <tqfile.h>
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#include <taglib/tag.h>
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#include <taglib/mpegfile.h>
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#include <taglib/vorbisfile.h>
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#include <taglib/flacfile.h>
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#include <taglib/xiphcomment.h>
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#include <taglib/id3v2framefactory.h>
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#if (TAGLIB_MAJOR_VERSION > 1) || \
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((TAGLIB_MAJOR_VERSION == 1) && (TAGLIB_MINOR_VERSION >= 2))
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#include <taglib/oggflacfile.h>
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#define TAGLIB_1_2
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#endif
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#if (TAGLIB_MAJOR_VERSION > 1) || \
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((TAGLIB_MAJOR_VERSION == 1) && (TAGLIB_MINOR_VERSION >= 3))
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#include <taglib/mpcfile.h>
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#define TAGLIB_1_3
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#endif
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#include "cache.h"
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#include "tag.h"
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#include "mediafiles.h"
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#include "stringshare.h"
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////////////////////////////////////////////////////////////////////////////////
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// public members
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////////////////////////////////////////////////////////////////////////////////
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Tag::Tag(const TQString &fileName) :
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m_fileName(fileName),
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m_track(0),
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m_year(0),
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m_seconds(0),
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m_bitrate(0),
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m_isValid(false)
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{
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// using tqDebug here since we want this to show up in non-debug builds as well
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tqDebug("Reading tag for %s", fileName.local8Bit().data());
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if(MediaFiles::isMP3(fileName)) {
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TagLib::MPEG::File file(TQFile::encodeName(fileName).data());
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if(file.isValid())
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setup(&file);
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}
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else if(MediaFiles::isFLAC(fileName)) {
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TagLib::FLAC::File file(TQFile::encodeName(fileName).data());
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if(file.isValid())
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setup(&file);
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}
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#ifdef TAGLIB_1_3
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else if(MediaFiles::isMPC(fileName)) {
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kdDebug(65432) << "Trying to resolve Musepack file" << endl;
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TagLib::MPC::File file(TQFile::encodeName(fileName).data());
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if(file.isValid())
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setup(&file);
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}
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#endif
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#ifdef TAGLIB_1_2
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else if(MediaFiles::isOggFLAC(fileName)) {
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TagLib::Ogg::FLAC::File file(TQFile::encodeName(fileName).data());
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if(file.isValid())
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setup(&file);
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}
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#endif
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else if(MediaFiles::isVorbis(fileName)) {
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TagLib::Vorbis::File file(TQFile::encodeName(fileName).data());
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if(file.isValid())
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setup(&file);
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}
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else {
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kdError(65432) << "Couldn't resolve the mime type of \"" <<
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fileName << "\" -- this shouldn't happen." << endl;
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}
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}
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bool Tag::save()
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{
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bool result;
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TagLib::ID3v2::FrameFactory::instance()->setDefaultTextEncoding(TagLib::String::UTF8);
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TagLib::File *file = 0;
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if(MediaFiles::isMP3(m_fileName))
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file = new TagLib::MPEG::File(TQFile::encodeName(m_fileName).data());
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else if(MediaFiles::isFLAC(m_fileName))
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file = new TagLib::FLAC::File(TQFile::encodeName(m_fileName).data());
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#ifdef TAGLIB_1_3
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else if(MediaFiles::isMPC(m_fileName))
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file = new TagLib::MPC::File(TQFile::encodeName(m_fileName).data());
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#endif
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#ifdef TAGLIB_1_2
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else if(MediaFiles::isOggFLAC(m_fileName))
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file = new TagLib::Ogg::FLAC::File(TQFile::encodeName(m_fileName).data());
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#endif
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else if(MediaFiles::isVorbis(m_fileName))
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file = new TagLib::Vorbis::File(TQFile::encodeName(m_fileName).data());
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if(file && file->isValid() && file->tag() && !file->readOnly()) {
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file->tag()->setTitle(QStringToTString(m_title));
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file->tag()->setArtist(QStringToTString(m_artist));
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file->tag()->setAlbum(QStringToTString(m_album));
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file->tag()->setGenre(QStringToTString(m_genre));
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file->tag()->setComment(QStringToTString(m_comment));
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file->tag()->setTrack(m_track);
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file->tag()->setYear(m_year);
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#ifdef TAGLIB_1_2
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result = file->save();
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#else
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file->save();
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result = true;
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#endif
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}
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else {
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kdError(65432) << "Couldn't save file." << endl;
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result = false;
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}
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delete file;
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return result;
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}
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CacheDataStream &Tag::read(CacheDataStream &s)
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{
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switch(s.cacheVersion()) {
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case 1: {
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TQ_INT32 track;
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TQ_INT32 year;
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TQ_INT32 bitrate;
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TQ_INT32 seconds;
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s >> m_title
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>> m_artist
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>> m_album
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>> m_genre
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>> track
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>> year
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>> m_comment
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>> bitrate
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>> m_lengthString
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>> seconds;
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m_track = track;
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m_year = year;
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m_bitrate = bitrate;
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m_seconds = seconds;
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break;
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}
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default: {
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static TQString dummyString;
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static int dummyInt;
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TQString bitrateString;
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s >> dummyInt
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>> m_title
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>> m_artist
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>> m_album
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>> m_genre
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>> dummyInt
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>> m_track
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>> dummyString
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>> m_year
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>> dummyString
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>> m_comment
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>> bitrateString
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>> m_lengthString
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>> m_seconds
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>> dummyString;
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bool ok;
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m_bitrate = bitrateString.toInt(&ok);
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if(!ok)
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m_bitrate = 0;
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break;
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}
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}
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// Try to reduce memory usage: share tags that frequently repeat, squeeze others
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m_title.squeeze();
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m_lengthString.squeeze();
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m_comment = StringShare::tryShare(m_comment);
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m_artist = StringShare::tryShare(m_artist);
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m_album = StringShare::tryShare(m_album);
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m_genre = StringShare::tryShare(m_genre);
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return s;
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}
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////////////////////////////////////////////////////////////////////////////////
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// private methods
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////////////////////////////////////////////////////////////////////////////////
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Tag::Tag(const TQString &fileName, bool) :
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m_fileName(fileName),
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m_track(0),
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m_year(0),
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m_seconds(0),
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m_bitrate(0),
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m_isValid(true)
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{
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}
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void Tag::setup(TagLib::File *file)
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{
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m_title = TQString(TStringToQString(file->tag()->title())).stripWhiteSpace();
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m_artist = TQString(TStringToQString(file->tag()->artist())).stripWhiteSpace();
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m_album = TQString(TStringToQString(file->tag()->album())).stripWhiteSpace();
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m_genre = TQString(TStringToQString(file->tag()->genre())).stripWhiteSpace();
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m_comment = TQString(TStringToQString(file->tag()->comment())).stripWhiteSpace();
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m_track = file->tag()->track();
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m_year = file->tag()->year();
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m_seconds = file->audioProperties()->length();
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m_bitrate = file->audioProperties()->bitrate();
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const int seconds = m_seconds % 60;
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const int minutes = (m_seconds - seconds) / 60;
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m_lengthString = TQString::number(minutes) + (seconds >= 10 ? ":" : ":0") + TQString::number(seconds);
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if(m_title.isEmpty()) {
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int i = m_fileName.findRev('/');
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int j = m_fileName.findRev('.');
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m_title = i > 0 ? m_fileName.mid(i + 1, j - i - 1) : m_fileName;
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}
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m_isValid = true;
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}
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////////////////////////////////////////////////////////////////////////////////
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// related functions
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////////////////////////////////////////////////////////////////////////////////
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TQDataStream &operator<<(TQDataStream &s, const Tag &t)
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{
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s << t.title()
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<< t.artist()
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<< t.album()
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<< t.genre()
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<< TQ_INT32(t.track())
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<< TQ_INT32(t.year())
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<< t.comment()
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<< TQ_INT32(t.bitrate())
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<< t.lengthString()
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<< TQ_INT32(t.seconds());
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return s;
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}
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CacheDataStream &operator>>(CacheDataStream &s, Tag &t)
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{
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return t.read(s);
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}
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