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/***************************************************************************
begin : Sun Feb 17 2002
copyright : (C) 2002 - 2004 by Scott Wheeler
email : wheeler@kde.org
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include <kdebug.h>
#include <tqregexp.h>
#include <tqfile.h>
#include <taglib/tag.h>
#include <taglib/mpegfile.h>
#include <taglib/vorbisfile.h>
#include <taglib/flacfile.h>
#include <taglib/xiphcomment.h>
#include <taglib/id3v2framefactory.h>
#if (TAGLIB_MAJOR_VERSION > 1) || \
((TAGLIB_MAJOR_VERSION == 1) && (TAGLIB_MINOR_VERSION >= 2))
#include <taglib/oggflacfile.h>
#define TAGLIB_1_2
#endif
#if (TAGLIB_MAJOR_VERSION > 1) || \
((TAGLIB_MAJOR_VERSION == 1) && (TAGLIB_MINOR_VERSION >= 3))
#include <taglib/mpcfile.h>
#define TAGLIB_1_3
#endif
#include "cache.h"
#include "tag.h"
#include "mediafiles.h"
#include "stringshare.h"
#define TStringToTQString(s) TQString::fromUtf8((s).toCString(true))
////////////////////////////////////////////////////////////////////////////////
// public members
////////////////////////////////////////////////////////////////////////////////
Tag::Tag(const TQString &fileName) :
m_fileName(fileName),
m_track(0),
m_year(0),
m_seconds(0),
m_bitrate(0),
m_isValid(false)
{
// using tqDebug here since we want this to show up in non-debug builds as well
tqDebug("Reading tag for %s", fileName.local8Bit().data());
if(MediaFiles::isMP3(fileName)) {
TagLib::MPEG::File file(TQFile::encodeName(fileName).data());
if(file.isValid())
setup(&file);
}
else if(MediaFiles::isFLAC(fileName)) {
TagLib::FLAC::File file(TQFile::encodeName(fileName).data());
if(file.isValid())
setup(&file);
}
#ifdef TAGLIB_1_3
else if(MediaFiles::isMPC(fileName)) {
kdDebug(65432) << "Trying to resolve Musepack file" << endl;
TagLib::MPC::File file(TQFile::encodeName(fileName).data());
if(file.isValid())
setup(&file);
}
#endif
#ifdef TAGLIB_1_2
else if(MediaFiles::isOggFLAC(fileName)) {
TagLib::Ogg::FLAC::File file(TQFile::encodeName(fileName).data());
if(file.isValid())
setup(&file);
}
#endif
else if(MediaFiles::isVorbis(fileName)) {
TagLib::Vorbis::File file(TQFile::encodeName(fileName).data());
if(file.isValid())
setup(&file);
}
else {
kdError(65432) << "Couldn't resolve the mime type of \"" <<
fileName << "\" -- this shouldn't happen." << endl;
}
}
bool Tag::save()
{
bool result;
TagLib::ID3v2::FrameFactory::instance()->setDefaultTextEncoding(TagLib::String::UTF8);
TagLib::File *file = 0;
if(MediaFiles::isMP3(m_fileName))
file = new TagLib::MPEG::File(TQFile::encodeName(m_fileName).data());
else if(MediaFiles::isFLAC(m_fileName))
file = new TagLib::FLAC::File(TQFile::encodeName(m_fileName).data());
#ifdef TAGLIB_1_3
else if(MediaFiles::isMPC(m_fileName))
file = new TagLib::MPC::File(TQFile::encodeName(m_fileName).data());
#endif
#ifdef TAGLIB_1_2
else if(MediaFiles::isOggFLAC(m_fileName))
file = new TagLib::Ogg::FLAC::File(TQFile::encodeName(m_fileName).data());
#endif
else if(MediaFiles::isVorbis(m_fileName))
file = new TagLib::Vorbis::File(TQFile::encodeName(m_fileName).data());
if(file && file->isValid() && file->tag() && !file->readOnly()) {
file->tag()->setTitle(QStringToTString(m_title));
file->tag()->setArtist(QStringToTString(m_artist));
file->tag()->setAlbum(QStringToTString(m_album));
file->tag()->setGenre(QStringToTString(m_genre));
file->tag()->setComment(QStringToTString(m_comment));
file->tag()->setTrack(m_track);
file->tag()->setYear(m_year);
#ifdef TAGLIB_1_2
result = file->save();
#else
file->save();
result = true;
#endif
}
else {
kdError(65432) << "Couldn't save file." << endl;
result = false;
}
delete file;
return result;
}
CacheDataStream &Tag::read(CacheDataStream &s)
{
switch(s.cacheVersion()) {
case 1: {
TQ_INT32 track;
TQ_INT32 year;
TQ_INT32 bitrate;
TQ_INT32 seconds;
s >> m_title
>> m_artist
>> m_album
>> m_genre
>> track
>> year
>> m_comment
>> bitrate
>> m_lengthString
>> seconds;
m_track = track;
m_year = year;
m_bitrate = bitrate;
m_seconds = seconds;
break;
}
default: {
static TQString dummyString;
static int dummyInt;
TQString bitrateString;
s >> dummyInt
>> m_title
>> m_artist
>> m_album
>> m_genre
>> dummyInt
>> m_track
>> dummyString
>> m_year
>> dummyString
>> m_comment
>> bitrateString
>> m_lengthString
>> m_seconds
>> dummyString;
bool ok;
m_bitrate = bitrateString.toInt(&ok);
if(!ok)
m_bitrate = 0;
break;
}
}
// Try to reduce memory usage: share tags that frequently repeat, squeeze others
m_title.squeeze();
m_lengthString.squeeze();
m_comment = StringShare::tryShare(m_comment);
m_artist = StringShare::tryShare(m_artist);
m_album = StringShare::tryShare(m_album);
m_genre = StringShare::tryShare(m_genre);
return s;
}
////////////////////////////////////////////////////////////////////////////////
// private methods
////////////////////////////////////////////////////////////////////////////////
Tag::Tag(const TQString &fileName, bool) :
m_fileName(fileName),
m_track(0),
m_year(0),
m_seconds(0),
m_bitrate(0),
m_isValid(true)
{
}
void Tag::setup(TagLib::File *file)
{
m_title = TStringToTQString(file->tag()->title()).stripWhiteSpace();
m_artist = TStringToTQString(file->tag()->artist()).stripWhiteSpace();
m_album = TStringToTQString(file->tag()->album()).stripWhiteSpace();
m_genre = TStringToTQString(file->tag()->genre()).stripWhiteSpace();
m_comment = TStringToTQString(file->tag()->comment()).stripWhiteSpace();
m_track = file->tag()->track();
m_year = file->tag()->year();
m_seconds = file->audioProperties()->length();
m_bitrate = file->audioProperties()->bitrate();
const int seconds = m_seconds % 60;
const int minutes = (m_seconds - seconds) / 60;
m_lengthString = TQString::number(minutes) + (seconds >= 10 ? ":" : ":0") + TQString::number(seconds);
if(m_title.isEmpty()) {
int i = m_fileName.findRev('/');
int j = m_fileName.findRev('.');
m_title = i > 0 ? m_fileName.mid(i + 1, j - i - 1) : m_fileName;
}
m_isValid = true;
}
////////////////////////////////////////////////////////////////////////////////
// related functions
////////////////////////////////////////////////////////////////////////////////
TQDataStream &operator<<(TQDataStream &s, const Tag &t)
{
s << t.title()
<< t.artist()
<< t.album()
<< t.genre()
<< TQ_INT32(t.track())
<< TQ_INT32(t.year())
<< t.comment()
<< TQ_INT32(t.bitrate())
<< t.lengthString()
<< TQ_INT32(t.seconds());
return s;
}
CacheDataStream &operator>>(CacheDataStream &s, Tag &t)
{
return t.read(s);
}
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