ID3v2Tag::ID3v2Tag( TagLib::Tag *tag, TagLib::ID3v2::Tag *id3v2Tag )
: Tag( tag )
, m_id3v2Tag( id3v2Tag )
{
TagLib::ID3v2::FrameList fList = m_id3v2Tag->frameList();
for( TagLib::ID3v2::FrameList::ConstIterator it = fList.begin();
it != fList.end(); ++it )
{
TagLib::String frameId = TagLib::String( (*it)->frameID() );
TagLib::ID3v2::TextIdentificationFrame *frame =
dynamic_cast< TagLib::ID3v2::TextIdentificationFrame * >( *it );
if( frame )
{
QString val = TStringToQString( frame->fieldList().toString( '\n' ) );
if( frameId == TagLib::String( "TPE2" ) ) //album artist
{
m_albumArtist = val;
}
else if( frameId == TagLib::String( "TCOM" ) ) //composer
{
m_composer = val;
}
else if( frameId == TagLib::String( "TPOS" ) ) //disc number
{
m_discNumber = processDiscNumber( val );
}
}
}
}
Meta::FieldHash
ID3v2TagHelper::tags() const
{
Meta::FieldHash data = TagHelper::tags();
TagLib::ID3v2::FrameList list = m_tag->frameList();
for( TagLib::ID3v2::FrameList::ConstIterator it = list.begin(); it != list.end(); ++it )
{
qint64 field;
TagLib::String frameName = TagLib::String( ( *it )->frameID() );
if( ( field = fieldName( frameName ) ) )
{
if( field == Meta::valUniqueId )
{
TagLib::ID3v2::UniqueFileIdentifierFrame *frame =
dynamic_cast< TagLib::ID3v2::UniqueFileIdentifierFrame * >( *it );
if( !frame )
continue;
QString identifier = TStringToQString( TagLib::String( frame->identifier() ) );
if( identifier.isEmpty() )
continue;
if( frame->owner() == uidFieldName( UIDAFT ) && isValidUID( identifier, UIDAFT ) )
data.insert( Meta::valUniqueId, identifier );
continue;
}
else if( field == Meta::valHasCover )
{
TagLib::ID3v2::AttachedPictureFrame *frame =
dynamic_cast< TagLib::ID3v2::AttachedPictureFrame * >( *it );
if( !frame )
continue;
if( ( frame->type() == TagLib::ID3v2::AttachedPictureFrame::FrontCover ||
frame->type() == TagLib::ID3v2::AttachedPictureFrame::Other ) &&
frame->picture().size() > MIN_COVER_SIZE ) // must be at least 1kb
{
data.insert( Meta::valHasCover, true );
}
continue;
}
TagLib::ID3v2::TextIdentificationFrame *frame =
dynamic_cast< TagLib::ID3v2::TextIdentificationFrame * >( *it );
if( !frame )
continue;
QString value = TStringToQString( frame->fieldList().toString( '\n' ) );
if( field == Meta::valDiscNr )
{
int disc;
if( ( disc = splitDiscNr( value ).first ) )
data.insert( field, disc );
}
else if( field == Meta::valBpm )
data.insert( field, value.toFloat() );
else
data.insert( field, value );
}
else if( frameName == POPM_Frame )
{
TagLib::ID3v2::PopularimeterFrame *frame =
dynamic_cast< TagLib::ID3v2::PopularimeterFrame * >( *it );
if( !frame )
continue;
if( TStringToQString( frame->email() ).isEmpty() ) // only read anonymous ratings
{
// FMPS tags have precedence
if( !data.contains( Meta::valRating ) && frame->rating() != 0 )
data.insert( Meta::valRating, qRound( frame->rating() / 256.0 * 10.0 ) );
if( !data.contains( Meta::valPlaycount ) && frame->counter() < 10000 )
data.insert( Meta::valPlaycount, frame->counter() );
}
}
else if( frameName == TXXX_Frame )
{
TagLib::ID3v2::UserTextIdentificationFrame *frame =
dynamic_cast< TagLib::ID3v2::UserTextIdentificationFrame * >( *it );
if( !frame )
continue;
// the value of the user text frame is stored in the
// second and following fields.
TagLib::StringList fields = frame->fieldList();
if( fields.size() >= 2 )
{
QString value = TStringToQString( fields[1] );
if( fields[0] == fmpsFieldName( FMPSRating ) )
data.insert( Meta::valRating, qRound( value.toFloat() * 10.0 ) );
else if( fields[0] == fmpsFieldName( FMPSScore ) )
data.insert( Meta::valScore, value.toFloat() * 100.0 );
else if( fields[0] == fmpsFieldName( FMPSPlayCount ) )
data.insert( Meta::valPlaycount, value.toFloat() );
}
}
}
return data;
}