bool SoundSource::processID3v2Tag(TagLib::ID3v2::Tag* id3v2) {
// Print every frame in the file.
if (s_bDebugMetadata) {
TagLib::ID3v2::FrameList::ConstIterator it = id3v2->frameList().begin();
for(; it != id3v2->frameList().end(); it++) {
qDebug() << "ID3V2" << (*it)->frameID().data() << "-"
<< TStringToQString((*it)->toString());
}
}
TagLib::ID3v2::FrameList bpmFrame = id3v2->frameListMap()["TBPM"];
if (!bpmFrame.isEmpty()) {
QString sBpm = TStringToQString(bpmFrame.front()->toString());
processBpmString("ID3v2", sBpm);
}
TagLib::ID3v2::FrameList keyFrame = id3v2->frameListMap()["TKEY"];
if (!keyFrame.isEmpty()) {
QString sKey = TStringToQString(keyFrame.front()->toString());
setKey(sKey);
}
// Foobar2000-style ID3v2.3.0 tags
// TODO: Check if everything is ok.
TagLib::ID3v2::FrameList frames = id3v2->frameListMap()["TXXX"];
for ( TagLib::ID3v2::FrameList::Iterator it = frames.begin(); it != frames.end(); ++it ) {
TagLib::ID3v2::UserTextIdentificationFrame* ReplayGainframe =
dynamic_cast<TagLib::ID3v2::UserTextIdentificationFrame*>( *it );
if ( ReplayGainframe && ReplayGainframe->fieldList().size() >= 2 )
{
QString desc = TStringToQString( ReplayGainframe->description() ).toLower();
if ( desc == "replaygain_album_gain" ){
QString sReplayGain = TStringToQString( ReplayGainframe->fieldList()[1]);
parseReplayGainString(sReplayGain);
}
if ( desc == "replaygain_track_gain" ){
QString sReplayGain = TStringToQString( ReplayGainframe->fieldList()[1]);
parseReplayGainString(sReplayGain);
}
}
}
TagLib::ID3v2::FrameList composerFrame = id3v2->frameListMap()["TCOM"];
if (!composerFrame.isEmpty()) {
QString sComposer = TStringToQString(composerFrame.front()->toString());
setComposer(sComposer);
}
return true;
}
void ReplayGainReader::readID3v2(TagLib::ID3v2::Tag *tag)
{
TagLib::ID3v2::UserTextIdentificationFrame* frame = 0;
TagLib::ID3v2::FrameList frames = tag->frameList("TXXX");
for(TagLib::ID3v2::FrameList::Iterator it = frames.begin(); it != frames.end(); ++it)
{
frame = dynamic_cast<TagLib::ID3v2::UserTextIdentificationFrame*>(*it);
if(frame && frame->fieldList().size() >= 2)
{
TagLib::String desc = frame->description().upper();
if (desc == "REPLAYGAIN_TRACK_GAIN")
setValue(Qmmp::REPLAYGAIN_TRACK_GAIN, TStringToQString(frame->fieldList()[1]));
else if (desc == "REPLAYGAIN_TRACK_PEAK")
setValue(Qmmp::REPLAYGAIN_TRACK_PEAK, TStringToQString(frame->fieldList()[1]));
else if (desc == "REPLAYGAIN_ALBUM_GAIN")
setValue(Qmmp::REPLAYGAIN_ALBUM_GAIN, TStringToQString(frame->fieldList()[1]));
else if (desc == "REPLAYGAIN_ALBUM_PEAK")
setValue(Qmmp::REPLAYGAIN_ALBUM_PEAK, TStringToQString(frame->fieldList()[1]));
}
}
}
static Meta::ReplayGainTagMap readID3v2Tags( TagLib::ID3v2::Tag *tag )
{
Meta::ReplayGainTagMap map;
{ // ID3v2.4.0 native replay gain tag support (as written by Quod Libet, for example).
TagLib::ID3v2::FrameList frames = tag->frameListMap()["RVA2"];
frames.append(tag->frameListMap()["XRVA"]);
if ( !frames.isEmpty() )
{
for ( unsigned int i = 0; i < frames.size(); ++i )
{
// we have to parse this frame ourselves
// ID3v2 frame header is 10 bytes, so skip that
TagLib::ByteVector data = frames[i]->render().mid( 10 );
unsigned int offset = 0;
QString desc( data.data() );
offset += desc.count() + 1;
unsigned int channel = data.mid( offset, 1 ).toUInt( true );
// channel 1 is the main volume - the only one we care about
if ( channel == 1 )
{
++offset;
qint16 adjustment512 = data.mid( offset, 2 ).toShort( true );
qreal adjustment = ( (qreal)adjustment512 ) / 512.0;
offset += 2;
unsigned int peakBits = data.mid( offset, 1 ).toUInt( true );
++offset;
bool ok = false;
qreal peak = readRVA2PeakValue( data.mid( offset ), peakBits, &ok );
if ( ok )
{
if ( desc.toLower() == "album" )
{
map[Meta::ReplayGain_Album_Gain] = adjustment;
map[Meta::ReplayGain_Album_Peak] = peakToDecibels( peak );
}
else if ( desc.toLower() == "track" || !map.contains( Meta::ReplayGain_Track_Gain ) )
{
map[Meta::ReplayGain_Track_Gain] = adjustment;
map[Meta::ReplayGain_Track_Peak] = peakToDecibels( peak );
}
}
}
}
if ( !map.isEmpty() )
return map;
}
}
{ // Foobar2000-style ID3v2.3.0 tags
TagLib::ID3v2::FrameList frames = tag->frameListMap()["TXXX"];
for ( TagLib::ID3v2::FrameList::Iterator it = frames.begin(); it != frames.end(); ++it ) {
TagLib::ID3v2::UserTextIdentificationFrame* frame =
dynamic_cast<TagLib::ID3v2::UserTextIdentificationFrame*>( *it );
if ( frame && frame->fieldList().size() >= 2 )
{
QString desc = TStringToQString( frame->description() ).toLower();
if ( desc == "replaygain_album_gain" )
maybeAddGain( frame->fieldList()[1], Meta::ReplayGain_Album_Gain, &map );
if ( desc == "replaygain_album_peak" )
maybeAddPeak( frame->fieldList()[1], Meta::ReplayGain_Album_Peak, &map );
if ( desc == "replaygain_track_gain" )
maybeAddGain( frame->fieldList()[1], Meta::ReplayGain_Track_Gain, &map );
if ( desc == "replaygain_track_peak" )
maybeAddPeak( frame->fieldList()[1], Meta::ReplayGain_Track_Peak, &map );
}
}
}
return map;
}
bool
ID3v2TagHelper::setTags( const Meta::FieldHash &changes )
{
bool modified = TagHelper::setTags( changes );
foreach( const qint64 key, changes.keys() )
{
QVariant value = changes.value( key );
TagLib::ByteVector field( fieldName( key ).toCString() );
if( !field.isNull() && !field.isEmpty() )
{
if( key == Meta::valHasCover )
continue;
else if( key == Meta::valUniqueId )
{
QPair< UIDType, QString > uidPair = splitUID( value.toString() );
if( uidPair.first == UIDInvalid )
continue;
TagLib::String owner = uidFieldName( uidPair.first );
TagLib::ByteVector uid( uidPair.second.toAscii().data() );
TagLib::ID3v2::FrameList list = m_tag->frameList();
for( TagLib::ID3v2::FrameList::ConstIterator it = list.begin(); it != list.end(); ++it )
{
if( ( *it )->frameID() == field )
{
TagLib::ID3v2::UniqueFileIdentifierFrame *frame =
dynamic_cast< TagLib::ID3v2::UniqueFileIdentifierFrame * >( *it );
if( !frame )
continue;
if( frame->owner() == owner )
{
m_tag->removeFrame( frame );
modified = true;
break;
}
}
}
if ( !uid.isEmpty() )
{
m_tag->addFrame( new TagLib::ID3v2::UniqueFileIdentifierFrame( owner, uid ) );
modified = true;
}
continue;
}
TagLib::String tValue = Qt4QStringToTString( ( key == Meta::valCompilation )
? QString::number( value.toInt() )
: value.toString() );
if( tValue.isEmpty() )
m_tag->removeFrames( field );
else
{
TagLib::ID3v2::TextIdentificationFrame *frame = NULL;
if( !m_tag->frameListMap()[field].isEmpty() )
frame = dynamic_cast< TagLib::ID3v2::TextIdentificationFrame * >(
m_tag->frameListMap()[field].front()
);
if( !frame )
{
frame = new TagLib::ID3v2::TextIdentificationFrame( field );
m_tag->addFrame( frame );
}
// note: TagLib is smart enough to automatically set UTF8 encoding if needed.
frame->setText( tValue );
}
modified = true;
}
else if( key == Meta::valScore || key == Meta::valRating || key == Meta::valPlaycount )
{
TagLib::String description;
TagLib::String tValue;
if( key == Meta::valRating )
{
description = fmpsFieldName( FMPSRating );
tValue = Qt4QStringToTString( QString::number( value.toFloat() / 10.0 ) );
}
else if( key == Meta::valScore )
{
description = fmpsFieldName( FMPSScore );
tValue = Qt4QStringToTString( QString::number( value.toFloat() / 100.0 ) );
}
else if( key == Meta::valPlaycount )
{
description = fmpsFieldName( FMPSPlayCount );
tValue = Qt4QStringToTString( QString::number( value.toInt() ) );
}
if( key == Meta::valRating || key == Meta::valPlaycount )
{
TagLib::ID3v2::PopularimeterFrame *popFrame = NULL;
if( !m_tag->frameListMap()[POPM_Frame].isEmpty() )
popFrame = dynamic_cast< TagLib::ID3v2::PopularimeterFrame * >( m_tag->frameListMap()[POPM_Frame].front() );
if( !popFrame )
{
popFrame = new TagLib::ID3v2::PopularimeterFrame( POPM_Frame );
m_tag->addFrame( popFrame );
}
if( key == Meta::valRating )
popFrame->setRating( qBound(0, int(qRound(value.toDouble() / 10.0 * 256)), 255) );
else
popFrame->setCounter( value.toInt() );
modified = true;
}
TagLib::ID3v2::FrameList list = m_tag->frameList();
for( TagLib::ID3v2::FrameList::ConstIterator it = list.begin(); it != list.end(); ++it )
{
if( ( *it )->frameID() == TXXX_Frame )
{
TagLib::ID3v2::UserTextIdentificationFrame *frame =
dynamic_cast< TagLib::ID3v2::UserTextIdentificationFrame * >( *it );
if( !frame )
continue;
if( frame->description() == description )
{
m_tag->removeFrame( frame );
modified = true;
break;
}
}
}
if( value.toBool() )
{
TagLib::ID3v2::UserTextIdentificationFrame *frame =
new TagLib::ID3v2::UserTextIdentificationFrame( TXXX_Frame );
frame->setDescription( description );
frame->setText( tValue );
m_tag->addFrame( frame );
modified = true;
}
}
}
return modified;
}