QString FileHelper::extractFlacFeature(const QString &featureToExtract) const
{
QString feature;
if (TagLib::FLAC::File *flacFile = static_cast<TagLib::FLAC::File*>(_file)) {
if (flacFile->ID3v2Tag()) {
QString key = this->convertKeyToID3v2Key(featureToExtract);
TagLib::ID3v2::FrameList l = flacFile->ID3v2Tag()->frameListMap()[key.toStdString().data()];
// Fallback to the generic map in case we didn't find the matching key
if (l.isEmpty()) {
TagLib::StringList list = flacFile->properties()[featureToExtract.toStdString()];
if (!list.isEmpty()) {
feature = list.front().toCString(true);
}
} else {
feature = QString(l.front()->toString().toCString(true));
}
} else if (flacFile->ID3v1Tag()) {
qDebug() << Q_FUNC_INFO << "Not yet implemented for ID3v1Tag FLAC file";
} else if (flacFile->xiphComment()) {
const TagLib::Ogg::FieldListMap map = flacFile->xiphComment()->fieldListMap();
if (!map[featureToExtract.toStdString().data()].isEmpty()) {
feature = QString(map[featureToExtract.toStdString().data()].front().toCString(true));
}
}
}
return feature;
}
/** Convert the existing rating number into a smaller range from 1 to 5. */
int FileHelper::rating() const
{
int r = -1;
/// TODO other types?
switch (_fileType) {
case EXT_MP3: {
TagLib::MPEG::File *mpegFile = static_cast<TagLib::MPEG::File*>(_file);
if (mpegFile && mpegFile->hasID3v2Tag()) {
r = this->ratingForID3v2(mpegFile->ID3v2Tag());
}
break;
}
case EXT_FLAC: {
if (TagLib::FLAC::File *flacFile = static_cast<TagLib::FLAC::File*>(_file)) {
if (flacFile->hasID3v2Tag()) {
r = this->ratingForID3v2(flacFile->ID3v2Tag());
} else if (flacFile->hasID3v1Tag()) {
qDebug() << Q_FUNC_INFO << "Not implemented (FLAC ID3v1)";
} else if (flacFile->hasXiphComment()) {
TagLib::StringList list = flacFile->xiphComment()->fieldListMap()["RATING"];
if (!list.isEmpty()) {
r = list.front().toInt();
}
}
}
break;
}
default:
break;
}
return r;
}
QString FileHelper::extractGenericFeature(const QString &featureToExtract) const
{
QString feature;
TagLib::PropertyMap p = _file->properties();
if (p.contains(featureToExtract.toStdString().data())) {
TagLib::StringList list = p[featureToExtract.toStdString().data()];
if (!list.isEmpty()) {
feature = list.front().toCString(true);
}
}
return feature;
}
QPixmap VorbisMetaDataModel::cover()
{
TagLib::Ogg::Vorbis::File file(m_path.toLocal8Bit().constData());
TagLib::Ogg::XiphComment *tag = file.tag();
if(!tag)
return QPixmap();
TagLib::StringList list = tag->fieldListMap()["METADATA_BLOCK_PICTURE"];
if(list.isEmpty())
return QPixmap();
for(uint i = 0; i < list.size(); ++i)
{
TagLib::String value = list[i];
QByteArray block = QByteArray::fromBase64(TStringToQString_qt4(value).toAscii());
if(block.size() < 32)
continue;
qint64 pos = 0;
if(readPictureBlockField(block, pos) != 3) //picture type, use front cover only
continue;
pos += 4;
int mimeLength = readPictureBlockField(block, pos); //mime type length
pos += 4;
pos += mimeLength; //skip mime type
int descLength = readPictureBlockField(block, pos); //description length
pos += 4;
pos += descLength; //skip description
pos += 4; //width
pos += 4; //height
pos += 4; //color depth
pos += 4; //the number of colors used
int length = readPictureBlockField(block, pos); //picture size
pos += 4;
QPixmap cover;
cover.loadFromData(block.mid(pos, length)); //read binary picture data
return cover;
}
return QPixmap();
}
void TagLibExtractor::extract(ExtractionResult* result)
{
const QString fileUrl = result->inputUrl();
const QString mimeType = result->inputMimetype();
TagLib::FileRef file(fileUrl.toUtf8().constData(), true);
if (file.isNull()) {
return;
}
TagLib::Tag* tags = file.tag();
result->addType(Type::Audio);
TagLib::String artists;
TagLib::String albumArtists;
TagLib::String composers;
TagLib::String lyricists;
TagLib::StringList genres;
// Handling multiple tags in mpeg files.
if ((mimeType == QLatin1String("audio/mpeg")) || (mimeType == QLatin1String("audio/mpeg3")) || (mimeType == QLatin1String("audio/x-mpeg"))) {
TagLib::MPEG::File mpegFile(fileUrl.toUtf8().constData(), true);
if (mpegFile.ID3v2Tag() && !mpegFile.ID3v2Tag()->isEmpty()) {
TagLib::ID3v2::FrameList lstID3v2;
// Artist.
lstID3v2 = mpegFile.ID3v2Tag()->frameListMap()["TPE1"];
if (!lstID3v2.isEmpty()) {
for (TagLib::ID3v2::FrameList::ConstIterator it = lstID3v2.begin(); it != lstID3v2.end(); ++it) {
if (!artists.isEmpty()) {
artists += ", ";
}
artists += (*it)->toString();
}
}
// Album Artist.
lstID3v2 = mpegFile.ID3v2Tag()->frameListMap()["TPE2"];
if (!lstID3v2.isEmpty()) {
for (TagLib::ID3v2::FrameList::ConstIterator it = lstID3v2.begin(); it != lstID3v2.end(); ++it) {
if (!albumArtists.isEmpty()) {
albumArtists += ", ";
}
albumArtists += (*it)->toString();
}
}
// Composer.
lstID3v2 = mpegFile.ID3v2Tag()->frameListMap()["TCOM"];
if (!lstID3v2.isEmpty()) {
for (TagLib::ID3v2::FrameList::ConstIterator it = lstID3v2.begin(); it != lstID3v2.end(); ++it) {
if (!composers.isEmpty()) {
composers += ", ";
}
composers += (*it)->toString();
}
}
// Lyricist.
lstID3v2 = mpegFile.ID3v2Tag()->frameListMap()["TEXT"];
if (!lstID3v2.isEmpty()) {
for (TagLib::ID3v2::FrameList::ConstIterator it = lstID3v2.begin(); it != lstID3v2.end(); ++it) {
if (!lyricists.isEmpty()) {
lyricists += ", ";
}
lyricists += (*it)->toString();
}
}
// Genre.
lstID3v2 = mpegFile.ID3v2Tag()->frameListMap()["TCON"];
if (!lstID3v2.isEmpty()) {
for (TagLib::ID3v2::FrameList::ConstIterator it = lstID3v2.begin(); it != lstID3v2.end(); ++it) {
genres.append((*it)->toString());
}
}
}
}
// Handling multiple tags in Ogg containers.
{
TagLib::Ogg::FieldListMap lstOgg;
// FLAC files.
if (mimeType == QLatin1String("audio/flac")) {
TagLib::FLAC::File flacFile(fileUrl.toUtf8().constData(), true);
if (flacFile.xiphComment() && !flacFile.xiphComment()->isEmpty()) {
lstOgg = flacFile.xiphComment()->fieldListMap();
}
}
// Vorbis files.
if (mimeType == QLatin1String("audio/ogg") || mimeType == QLatin1String("audio/x-vorbis+ogg")) {
TagLib::Ogg::Vorbis::File oggFile(fileUrl.toUtf8().constData(), true);
if (oggFile.tag() && !oggFile.tag()->isEmpty()) {
lstOgg = oggFile.tag()->fieldListMap();
}
}
// Opus files.
if (mimeType == QLatin1String("audio/opus") || mimeType == QLatin1String("audio/x-opus+ogg")) {
TagLib::Ogg::Opus::File opusFile(fileUrl.toUtf8().constData(), true);
if (opusFile.tag() && !opusFile.tag()->isEmpty()) {
lstOgg = opusFile.tag()->fieldListMap();
}
}
// Handling OGG container tags.
if (!lstOgg.isEmpty()) {
TagLib::Ogg::FieldListMap::ConstIterator itOgg;
// Artist.
itOgg = lstOgg.find("ARTIST");
if (itOgg != lstOgg.end()) {
if (!artists.isEmpty()) {
artists += ", ";
}
artists += (*itOgg).second.toString(", ");
}
// Album Artist.
itOgg = lstOgg.find("ALBUMARTIST");
if (itOgg != lstOgg.end()) {
if (!albumArtists.isEmpty()) {
albumArtists += ", ";
}
albumArtists += (*itOgg).second.toString(", ");
}
// Composer.
itOgg = lstOgg.find("COMPOSER");
if (itOgg != lstOgg.end()) {
if (!composers.isEmpty()) {
composers += ", ";
}
composers += (*itOgg).second.toString(", ");
}
// Lyricist.
itOgg = lstOgg.find("LYRICIST");
if (itOgg != lstOgg.end()) {
if (!lyricists.isEmpty()) {
lyricists += ", ";
}
lyricists += (*itOgg).second.toString(", ");
}
// Genre.
itOgg = lstOgg.find("GENRE");
if (itOgg != lstOgg.end()) {
genres.append((*itOgg).second);
}
}
}
// Handling multiple tags in Musepack files.
if (mimeType == QLatin1String("audio/x-musepack")) {
TagLib::MPC::File mpcFile(fileUrl.toUtf8().constData(), true);
if (mpcFile.tag() && !mpcFile.tag()->isEmpty()) {
TagLib::APE::ItemListMap lstMusepack = mpcFile.APETag()->itemListMap();
TagLib::APE::ItemListMap::ConstIterator itMPC;
// Artist.
itMPC = lstMusepack.find("ARTIST");
if (itMPC != lstMusepack.end()) {
if (!artists.isEmpty()) {
artists += ", ";
}
artists += (*itMPC).second.toString();
}
// Album Artist.
itMPC = lstMusepack.find("ALBUMARTIST");
if (itMPC != lstMusepack.end()) {
if(!albumArtists.isEmpty()) {
albumArtists += ", ";
}
albumArtists += (*itMPC).second.toString();
}
// Composer.
itMPC = lstMusepack.find("COMPOSER");
if (itMPC != lstMusepack.end()) {
if (!composers.isEmpty()) {
composers += ", ";
}
composers += (*itMPC).second.toString();
}
// Lyricist.
itMPC = lstMusepack.find("LYRICIST");
if (itMPC != lstMusepack.end()) {
if (!lyricists.isEmpty()) {
lyricists += ", ";
}
lyricists += (*itMPC).second.toString();
}
// Genre.
itMPC = lstMusepack.find("GENRE");
if (itMPC != lstMusepack.end()) {
genres.append((*itMPC).second.toString());
}
}
}
if (!tags->isEmpty()) {
QString title = t2q(tags->title());
if (!title.isEmpty()) {
result->add(Property::Title, title);
}
QString comment = t2q(tags->comment());
if (!comment.isEmpty()) {
result->add(Property::Comment, comment);
}
if (genres.isEmpty()) {
genres.append(tags->genre());
}
for (uint i = 0; i < genres.size(); i++) {
QString genre = t2q(genres[i]).trimmed();
// Convert from int
bool ok = false;
int genreNum = genre.toInt(&ok);
if (ok) {
genre = t2q(TagLib::ID3v1::genre(genreNum));
}
result->add(Property::Genre, genre);
}
QString artistString;
if (artists.isEmpty()) {
artistString = t2q(tags->artist());
} else {
artistString = t2q(artists).trimmed();
}
QStringList artists = contactsFromString(artistString);
foreach(const QString& artist, artists) {
result->add(Property::Artist, artist);
}