string ExtractMBIDFromFile(TagLib::MP4::File *file)
{
string key = "----:com.apple.iTunes:MusicBrainz Track Id";
TagLib::MP4::Tag *tag = file->tag();
if (tag && tag->itemListMap().contains(key)) {
return tag->itemListMap()[key].toStringList().toString().to8Bit(true);
}
return string();
}
QString extractMBIDFromFile(TagLib::MP4::File *file)
{
const char *key = "----:com.apple.iTunes:MusicBrainz Track Id";
TagLib::MP4::Tag *tag = file->tag();
if (tag->itemListMap().contains(key)) {
return QString::fromUtf8(tag->itemListMap()[key].toStringList().toString().toCString(true));
}
return QString();
}
/*
** Extracts cover art embedded in MP4-like files.
**
*/
bool CCover::ExtractMP4(TagLib::MP4::File* file, const std::string& target)
{
TagLib::MP4::Tag* tag = file->tag();
if (tag->itemListMap().contains("covr"))
{
TagLib::MP4::CoverArtList coverList = tag->itemListMap()["covr"].toCoverArtList();
if (coverList[0].data().size() > 0)
{
return WriteCover(coverList[0].data(), target);
}
}
return false;
}
/*
** Extracts cover art embedded in MP4-like files.
**
*/
bool QCoverArt::ExtractMP4(TagLib::MP4::File* file)
{
TagLib::MP4::Tag* tag = file->tag();
if (tag->itemListMap().contains("covr"))
{
TagLib::MP4::CoverArtList coverList = tag->itemListMap()["covr"].toCoverArtList();
if (coverList[0].data().size() > 0)
{
img.loadFromData((const unsigned char*)coverList[0].data().data(), coverList[0].data().size());
return true;
}
}
return false;
}
bool CoverUtils::coverFromMP4(QString filename, Album *album) {
TagLib::MP4::File f((TagLib::FileName)filename.toUtf8());
if (!f.isValid()) return false;
TagLib::MP4::Tag *tag = static_cast<TagLib::MP4::Tag *>(f.tag());
if (!tag) return false;
TagLib::MP4::ItemListMap itemsListMap = tag->itemListMap();
TagLib::MP4::Item coverItem = itemsListMap["covr"];
TagLib::MP4::CoverArtList coverArtList = coverItem.toCoverArtList();
TagLib::MP4::CoverArt coverArt = coverArtList.front();
QImage image;
image.loadFromData((const uchar *) coverArt.data().data(), coverArt.data().size());
if (!isAcceptableImage(image)) return false;
qDebug() << "Cover from MP4!";
return saveImage(image, album);
}
QByteArray TagReader::LoadEmbeddedArt(const QString& filename) const {
if (filename.isEmpty()) return QByteArray();
qLog(Debug) << "Loading art from" << filename;
#ifdef Q_OS_WIN32
TagLib::FileRef ref(filename.toStdWString().c_str());
#else
TagLib::FileRef ref(QFile::encodeName(filename).constData());
#endif
if (ref.isNull() || !ref.file()) return QByteArray();
// MP3
TagLib::MPEG::File* file = dynamic_cast<TagLib::MPEG::File*>(ref.file());
if (file && file->ID3v2Tag()) {
TagLib::ID3v2::FrameList apic_frames =
file->ID3v2Tag()->frameListMap()["APIC"];
if (apic_frames.isEmpty()) return QByteArray();
TagLib::ID3v2::AttachedPictureFrame* pic =
static_cast<TagLib::ID3v2::AttachedPictureFrame*>(apic_frames.front());
return QByteArray((const char*)pic->picture().data(),
pic->picture().size());
}
// Ogg vorbis/speex
TagLib::Ogg::XiphComment* xiph_comment =
dynamic_cast<TagLib::Ogg::XiphComment*>(ref.file()->tag());
if (xiph_comment) {
TagLib::Ogg::FieldListMap map = xiph_comment->fieldListMap();
// Other than the below mentioned non-standard COVERART,
// METADATA_BLOCK_PICTURE
// is the proposed tag for cover pictures.
// (see http://wiki.xiph.org/VorbisComment#METADATA_BLOCK_PICTURE)
if (map.contains("METADATA_BLOCK_PICTURE")) {
TagLib::StringList pict_list = map["METADATA_BLOCK_PICTURE"];
for (std::list<TagLib::String>::iterator it = pict_list.begin();
it != pict_list.end(); ++it) {
QByteArray data(QByteArray::fromBase64(it->toCString()));
TagLib::ByteVector tdata(data.data(), data.size());
TagLib::FLAC::Picture p(tdata);
if (p.type() == TagLib::FLAC::Picture::FrontCover)
return QByteArray(p.data().data(), p.data().size());
}
// If there was no specific front cover, just take the first picture
QByteArray data(QByteArray::fromBase64(
map["METADATA_BLOCK_PICTURE"].front().toCString()));
TagLib::ByteVector tdata(data.data(), data.size());
TagLib::FLAC::Picture p(tdata);
return QByteArray(p.data().data(), p.data().size());
}
// Ogg lacks a definitive standard for embedding cover art, but it seems
// b64 encoding a field called COVERART is the general convention
if (!map.contains("COVERART")) return QByteArray();
return QByteArray::fromBase64(map["COVERART"].toString().toCString());
}
#ifdef TAGLIB_HAS_FLAC_PICTURELIST
// Flac
TagLib::FLAC::File* flac_file = dynamic_cast<TagLib::FLAC::File*>(ref.file());
if (flac_file && flac_file->xiphComment()) {
TagLib::List<TagLib::FLAC::Picture*> pics = flac_file->pictureList();
if (!pics.isEmpty()) {
// Use the first picture in the file - this could be made cleverer and
// pick the front cover if it's present.
std::list<TagLib::FLAC::Picture*>::iterator it = pics.begin();
TagLib::FLAC::Picture* picture = *it;
return QByteArray(picture->data().data(), picture->data().size());
}
}
#endif
// MP4/AAC
TagLib::MP4::File* aac_file = dynamic_cast<TagLib::MP4::File*>(ref.file());
if (aac_file) {
TagLib::MP4::Tag* tag = aac_file->tag();
const TagLib::MP4::ItemListMap& items = tag->itemListMap();
TagLib::MP4::ItemListMap::ConstIterator it = items.find("covr");
if (it != items.end()) {
const TagLib::MP4::CoverArtList& art_list = it->second.toCoverArtList();
if (!art_list.isEmpty()) {
// Just take the first one for now
const TagLib::MP4::CoverArt& art = art_list.front();
return QByteArray(art.data().data(), art.data().size());
}
}
}
return QByteArray();
}
bool TagReader::SaveSongRatingToFile(
const QString& filename, const pb::tagreader::SongMetadata& song) const {
if (filename.isNull()) return false;
qLog(Debug) << "Saving song rating tags to" << filename;
if (song.rating() < 0) {
// The FMPS spec says unrated == "tag not present". For us, no rating
// results in rating being -1, so don't write anything in that case.
// Actually, we should also remove tag set in this case, but in
// Clementine it is not possible to unset rating i.e. make a song "unrated".
qLog(Debug) << "Unrated: do nothing";
return true;
}
std::unique_ptr<TagLib::FileRef> fileref(factory_->GetFileRef(filename));
if (!fileref || fileref->isNull()) // The file probably doesn't exist
return false;
if (TagLib::MPEG::File* file =
dynamic_cast<TagLib::MPEG::File*>(fileref->file())) {
TagLib::ID3v2::Tag* tag = file->ID3v2Tag(true);
// Save as FMPS
SetUserTextFrame("FMPS_Rating", QString::number(song.rating()), tag);
// Also save as POPM
TagLib::ID3v2::PopularimeterFrame* frame = GetPOPMFrameFromTag(tag);
frame->setRating(ConvertToPOPMRating(song.rating()));
} else if (TagLib::FLAC::File* file =
dynamic_cast<TagLib::FLAC::File*>(fileref->file())) {
TagLib::Ogg::XiphComment* vorbis_comments = file->xiphComment(true);
SetFMPSRatingVorbisComments(vorbis_comments, song);
} else if (TagLib::Ogg::XiphComment* tag =
dynamic_cast<TagLib::Ogg::XiphComment*>(
fileref->file()->tag())) {
SetFMPSRatingVorbisComments(tag, song);
}
#ifdef TAGLIB_WITH_ASF
else if (TagLib::ASF::File* file =
dynamic_cast<TagLib::ASF::File*>(fileref->file())) {
TagLib::ASF::Tag* tag = file->tag();
tag->addAttribute("FMPS/Rating", NumberToASFAttribute(song.rating()));
}
#endif
else if (TagLib::MP4::File* file =
dynamic_cast<TagLib::MP4::File*>(fileref->file())) {
TagLib::MP4::Tag* tag = file->tag();
tag->itemListMap()[kMP4_FMPS_Rating_ID] = TagLib::StringList(
QStringToTaglibString(QString::number(song.rating())));
} else {
// Nothing to save: stop now
return true;
}
bool ret = fileref->save();
#ifdef Q_OS_LINUX
if (ret) {
// Linux: inotify doesn't seem to notice the change to the file unless we
// change the timestamps as well. (this is what touch does)
utimensat(0, QFile::encodeName(filename).constData(), nullptr, 0);
}
#endif // Q_OS_LINUX
return ret;
}
bool TagReader::SaveSongStatisticsToFile(
const QString& filename, const pb::tagreader::SongMetadata& song) const {
if (filename.isNull()) return false;
qLog(Debug) << "Saving song statistics tags to" << filename;
std::unique_ptr<TagLib::FileRef> fileref(factory_->GetFileRef(filename));
if (!fileref || fileref->isNull()) // The file probably doesn't exist
return false;
if (TagLib::MPEG::File* file =
dynamic_cast<TagLib::MPEG::File*>(fileref->file())) {
TagLib::ID3v2::Tag* tag = file->ID3v2Tag(true);
// Save as FMPS
SetUserTextFrame("FMPS_PlayCount", QString::number(song.playcount()), tag);
SetUserTextFrame("FMPS_Rating_Amarok_Score",
QString::number(song.score() / 100.0), tag);
// Also save as POPM
TagLib::ID3v2::PopularimeterFrame* frame = GetPOPMFrameFromTag(tag);
frame->setCounter(song.playcount());
} else if (TagLib::FLAC::File* file =
dynamic_cast<TagLib::FLAC::File*>(fileref->file())) {
TagLib::Ogg::XiphComment* vorbis_comments = file->xiphComment(true);
SetFMPSStatisticsVorbisComments(vorbis_comments, song);
} else if (TagLib::Ogg::XiphComment* tag =
dynamic_cast<TagLib::Ogg::XiphComment*>(
fileref->file()->tag())) {
SetFMPSStatisticsVorbisComments(tag, song);
}
#ifdef TAGLIB_WITH_ASF
else if (TagLib::ASF::File* file =
dynamic_cast<TagLib::ASF::File*>(fileref->file())) {
TagLib::ASF::Tag* tag = file->tag();
tag->addAttribute("FMPS/Playcount", NumberToASFAttribute(song.playcount()));
tag->addAttribute("FMPS/Rating_Amarok_Score",
NumberToASFAttribute(song.score() / 100.0));
}
#endif
else if (TagLib::MP4::File* file =
dynamic_cast<TagLib::MP4::File*>(fileref->file())) {
TagLib::MP4::Tag* tag = file->tag();
tag->itemListMap()[kMP4_FMPS_Score_ID] = TagLib::StringList(
QStringToTaglibString(QString::number(song.score() / 100.0)));
tag->itemListMap()[kMP4_FMPS_Playcount_ID] =
TagLib::StringList(TagLib::String::number(song.playcount()));
} else {
// Nothing to save: stop now
return true;
}
bool ret = fileref->save();
#ifdef Q_OS_LINUX
if (ret) {
// Linux: inotify doesn't seem to notice the change to the file unless we
// change the timestamps as well. (this is what touch does)
utimensat(0, QFile::encodeName(filename).constData(), nullptr, 0);
}
#endif // Q_OS_LINUX
return ret;
}
bool TagReader::SaveFile(const QString& filename,
const pb::tagreader::SongMetadata& song) const {
if (filename.isNull()) return false;
qLog(Debug) << "Saving tags to" << filename;
std::unique_ptr<TagLib::FileRef> fileref(factory_->GetFileRef(filename));
if (!fileref || fileref->isNull()) // The file probably doesn't exist
return false;
fileref->tag()->setTitle(StdStringToTaglibString(song.title()));
fileref->tag()->setArtist(StdStringToTaglibString(song.artist())); // TPE1
fileref->tag()->setAlbum(StdStringToTaglibString(song.album()));
fileref->tag()->setGenre(StdStringToTaglibString(song.genre()));
fileref->tag()->setComment(StdStringToTaglibString(song.comment()));
fileref->tag()->setYear(song.year());
fileref->tag()->setTrack(song.track());
if (TagLib::MPEG::File* file =
dynamic_cast<TagLib::MPEG::File*>(fileref->file())) {
TagLib::ID3v2::Tag* tag = file->ID3v2Tag(true);
SetTextFrame(
"TPOS", song.disc() <= 0 - 1 ? QString() : QString::number(song.disc()),
tag);
SetTextFrame("TBPM",
song.bpm() <= 0 - 1 ? QString() : QString::number(song.bpm()),
tag);
SetTextFrame("TCOM", song.composer(), tag);
SetTextFrame("TIT1", song.grouping(), tag);
// Skip TPE1 (which is the artist) here because we already set it
SetTextFrame("TPE2", song.albumartist(), tag);
SetTextFrame("TCMP", std::string(song.compilation() ? "1" : "0"), tag);
} else if (TagLib::FLAC::File* file =
dynamic_cast<TagLib::FLAC::File*>(fileref->file())) {
TagLib::Ogg::XiphComment* tag = file->xiphComment();
SetVorbisComments(tag, song);
} else if (TagLib::MP4::File* file =
dynamic_cast<TagLib::MP4::File*>(fileref->file())) {
TagLib::MP4::Tag* tag = file->tag();
tag->itemListMap()["disk"] =
TagLib::MP4::Item(song.disc() <= 0 - 1 ? 0 : song.disc(), 0);
tag->itemListMap()["tmpo"] = TagLib::StringList(
song.bpm() <= 0 - 1 ? "0" : TagLib::String::number(song.bpm()));
tag->itemListMap()["\251wrt"] = TagLib::StringList(song.composer());
tag->itemListMap()["\251grp"] = TagLib::StringList(song.grouping());
tag->itemListMap()["aART"] = TagLib::StringList(song.albumartist());
tag->itemListMap()["cpil"] =
TagLib::StringList(song.compilation() ? "1" : "0");
}
// Handle all the files which have VorbisComments (Ogg, OPUS, ...) in the same
// way;
// apart, so we keep specific behavior for some formats by adding another
// "else if" block above.
if (TagLib::Ogg::XiphComment* tag =
dynamic_cast<TagLib::Ogg::XiphComment*>(fileref->file()->tag())) {
SetVorbisComments(tag, song);
}
bool ret = fileref->save();
#ifdef Q_OS_LINUX
if (ret) {
// Linux: inotify doesn't seem to notice the change to the file unless we
// change the timestamps as well. (this is what touch does)
utimensat(0, QFile::encodeName(filename).constData(), nullptr, 0);
}
#endif // Q_OS_LINUX
return ret;
}
