// Too bad can't use STL copy alogirthm....
// copy(src.begin(), src.end(), back_inserter(dest));
void MetaDSF::MetaDSFImpl::dupFrameList(const TagLib::ID3v2::FrameList &src,
TagLib::ID3v2::FrameList &dest)
{
TagLib::ID3v2::FrameList::ConstIterator it;
for (it = src.begin(); it != src.end(); it++) {
dest.append(*it);
}
}
int MetaDSF::deletePictures(const TagLib::String &ptype)
{
TagLib::ID3v2::FrameList l = _i->_file.ID3v2Tag()->frameList("APIC");
TagLib::ID3v2::FrameList dl; // a list of frames to be deleted
TagLib::ID3v2::FrameList::ConstIterator it;
std::string pt = ptype.toCString();
// retrieve a list of frames that matches the given type
for (it = l.begin(); it != l.end(); it++) {
TagLib::ID3v2::AttachedPictureFrame *f =
static_cast<TagLib::ID3v2::AttachedPictureFrame *>(*it);
TagLib::ID3v2::AttachedPictureFrame::Type t =
static_cast<TagLib::ID3v2::AttachedPictureFrame::Type>(std::stoi(pt,
0, 16));
if (f->type() == t) {
dl.append(f);
}
}
_i->deleteFrames(dl);
_i->_changed = true;
return dl.size();
}
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;
}
