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TagReaderTagLib: Make id3v2 parsing reusable

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This commit is contained in:
Robert Gingras 2024-04-14 20:53:10 -04:00 committed by Jonas Kvinge
parent 176984afe0
commit 90703703aa
2 changed files with 135 additions and 131 deletions
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265
ext/libstrawberry-tagreader/tagreadertaglib.cpp
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@ -328,137 +328,8 @@ bool TagReaderTagLib::ReadFile(const QString &filename, spb::tagreader::SongMeta
}
else if (TagLib::MPEG::File *file_mpeg = dynamic_cast<TagLib::MPEG::File*>(fileref->file())) {
if (file_mpeg->ID3v2Tag()) {
const TagLib::ID3v2::FrameListMap &map = file_mpeg->ID3v2Tag()->frameListMap();
if (map.contains("TPOS")) disc = TStringToQString(map["TPOS"].front()->toString()).trimmed();
if (map.contains("TCOM")) TStringToStdString(map["TCOM"].front()->toString(), song->mutable_composer());
// content group
if (map.contains("TIT1")) TStringToStdString(map["TIT1"].front()->toString(), song->mutable_grouping());
// original artist/performer
if (map.contains("TOPE")) TStringToStdString(map["TOPE"].front()->toString(), song->mutable_performer());
// Skip TPE1 (which is the artist) here because we already fetched it
// non-standard: Apple, Microsoft
if (map.contains("TPE2")) TStringToStdString(map["TPE2"].front()->toString(), song->mutable_albumartist());
if (map.contains("TCMP")) compilation = TStringToQString(map["TCMP"].front()->toString()).trimmed();
if (map.contains("TDOR")) {
song->set_originalyear(map["TDOR"].front()->toString().substr(0, 4).toInt());
}
else if (map.contains("TORY")) {
song->set_originalyear(map["TORY"].front()->toString().substr(0, 4).toInt());
}
if (map.contains("USLT")) {
TStringToStdString(map["USLT"].front()->toString(), song->mutable_lyrics());
}
else if (map.contains("SYLT")) {
TStringToStdString(map["SYLT"].front()->toString(), song->mutable_lyrics());
}
if (map.contains("APIC")) song->set_art_embedded(true);
// Find a suitable comment tag. For now we ignore iTunNORM comments.
for (uint i = 0; i < map["COMM"].size(); ++i) {
const TagLib::ID3v2::CommentsFrame *frame = dynamic_cast<const TagLib::ID3v2::CommentsFrame*>(map["COMM"][i]);
if (frame && TStringToQString(frame->description()) != QStringLiteral("iTunNORM")) {
TStringToStdString(frame->text(), song->mutable_comment());
break;
}
}
if (TagLib::ID3v2::UserTextIdentificationFrame *frame_fmps_playcount = TagLib::ID3v2::UserTextIdentificationFrame::find(file_mpeg->ID3v2Tag(), "FMPS_Playcount")) {
TagLib::StringList frame_field_list = frame_fmps_playcount->fieldList();
if (frame_field_list.size() > 1) {
int playcount = TStringToQString(frame_field_list[1]).toInt();
if (song->playcount() <= 0 && playcount > 0) {
song->set_playcount(playcount);
}
}
}
if (TagLib::ID3v2::UserTextIdentificationFrame *frame_fmps_rating = TagLib::ID3v2::UserTextIdentificationFrame::find(file_mpeg->ID3v2Tag(), "FMPS_Rating")) {
TagLib::StringList frame_field_list = frame_fmps_rating->fieldList();
if (frame_field_list.size() > 1) {
float rating = TStringToQString(frame_field_list[1]).toFloat();
if (song->rating() <= 0 && rating > 0 && rating <= 1.0) {
song->set_rating(rating);
}
}
}
if (map.contains("POPM")) {
const TagLib::ID3v2::PopularimeterFrame *frame = dynamic_cast<const TagLib::ID3v2::PopularimeterFrame*>(map["POPM"].front());
if (frame) {
if (song->playcount() <= 0 && frame->counter() > 0) {
song->set_playcount(frame->counter());
}
if (song->rating() <= 0 && frame->rating() > 0) {
song->set_rating(ConvertPOPMRating(frame->rating()));
}
}
}
if (map.contains("UFID")) {
for (uint i = 0; i < map["UFID"].size(); ++i) {
if (TagLib::ID3v2::UniqueFileIdentifierFrame *frame = dynamic_cast<TagLib::ID3v2::UniqueFileIdentifierFrame*>(map["UFID"][i])) {
const TagLib::PropertyMap property_map = frame->asProperties();
if (property_map.contains(kID3v2_MusicBrainz_RecordingID)) {
TStringToStdString(property_map[kID3v2_MusicBrainz_RecordingID].toString(), song->mutable_musicbrainz_recording_id());
}
}
}
}
if (map.contains("TXXX")) {
for (uint i = 0; i < map["TXXX"].size(); ++i) {
if (TagLib::ID3v2::UserTextIdentificationFrame *frame = dynamic_cast<TagLib::ID3v2::UserTextIdentificationFrame*>(map["TXXX"][i])) {
const TagLib::StringList frame_field_list = frame->fieldList();
if (frame_field_list.size() != 2) continue;
if (frame->description() == kID3v2_AcoustID_ID) {
TStringToStdString(frame_field_list.back(), song->mutable_acoustid_id());
}
if (frame->description() == kID3v2_AcoustID_Fingerprint) {
TStringToStdString(frame_field_list.back(), song->mutable_acoustid_fingerprint());
}
if (frame->description() == kID3v2_MusicBrainz_AlbumArtistID) {
TStringToStdString(frame_field_list.back(), song->mutable_musicbrainz_album_artist_id());
}
if (frame->description() == kID3v2_MusicBrainz_ArtistID) {
TStringToStdString(frame_field_list.back(), song->mutable_musicbrainz_artist_id());
}
if (frame->description() == kID3v2_MusicBrainz_OriginalArtistID) {
TStringToStdString(frame_field_list.back(), song->mutable_musicbrainz_original_artist_id());
}
if (frame->description() == kID3v2_MusicBrainz_AlbumID) {
TStringToStdString(frame_field_list.back(), song->mutable_musicbrainz_album_id());
}
if (frame->description() == kID3v2_MusicBrainz_OriginalAlbumID) {
TStringToStdString(frame_field_list.back(), song->mutable_musicbrainz_original_album_id());
}
if (frame->description() == kID3v2_MusicBrainz_TrackID) {
TStringToStdString(frame_field_list.back(), song->mutable_musicbrainz_track_id());
}
if (frame->description() == kID3v2_MusicBrainz_DiscID) {
TStringToStdString(frame_field_list.back(), song->mutable_musicbrainz_disc_id());
}
if (frame->description() == kID3v2_MusicBrainz_ReleaseGroupID) {
TStringToStdString(frame_field_list.back(), song->mutable_musicbrainz_release_group_id());
}
if (frame->description() == kID3v2_MusicBrainz_WorkID) {
TStringToStdString(frame_field_list.back(), song->mutable_musicbrainz_work_id());
}
}
}
}
if (file_mpeg->hasID3v2Tag()) {
ParseID3v2Tag(file_mpeg->ID3v2Tag(), &disc, &compilation, song);
}
}
@ -702,6 +573,138 @@ bool TagReaderTagLib::ReadFile(const QString &filename, spb::tagreader::SongMeta
}
void TagReaderTagLib::ParseID3v2Tag(TagLib::ID3v2::Tag *tag, QString *disc, QString *compilation, spb::tagreader::SongMetadata *song) const {
TagLib::ID3v2::FrameListMap map = tag->frameListMap();
if (map.contains("TPOS")) *disc = TStringToQString(map["TPOS"].front()->toString()).trimmed();
if (map.contains("TCOM")) TStringToStdString(map["TCOM"].front()->toString(), song->mutable_composer());
// content group
if (map.contains("TIT1")) TStringToStdString(map["TIT1"].front()->toString(), song->mutable_grouping());
// original artist/performer
if (map.contains("TOPE")) TStringToStdString(map["TOPE"].front()->toString(), song->mutable_performer());
// Skip TPE1 (which is the artist) here because we already fetched it
// non-standard: Apple, Microsoft
if (map.contains("TPE2")) TStringToStdString(map["TPE2"].front()->toString(), song->mutable_albumartist());
if (map.contains("TCMP")) *compilation = TStringToQString(map["TCMP"].front()->toString()).trimmed();
if (map.contains("TDOR")) {
song->set_originalyear(map["TDOR"].front()->toString().substr(0, 4).toInt());
}
else if (map.contains("TORY")) {
song->set_originalyear(map["TORY"].front()->toString().substr(0, 4).toInt());
}
if (map.contains("USLT")) {
TStringToStdString(map["USLT"].front()->toString(), song->mutable_lyrics());
}
else if (map.contains("SYLT")) {
TStringToStdString(map["SYLT"].front()->toString(), song->mutable_lyrics());
}
if (map.contains("APIC")) song->set_art_embedded(true);
// Find a suitable comment tag. For now we ignore iTunNORM comments.
for (uint i = 0; i < map["COMM"].size(); ++i) {
const TagLib::ID3v2::CommentsFrame *frame = dynamic_cast<const TagLib::ID3v2::CommentsFrame*>(map["COMM"][i]);
if (frame && TStringToQString(frame->description()) != QStringLiteral("iTunNORM")) {
TStringToStdString(frame->text(), song->mutable_comment());
break;
}
}
if (TagLib::ID3v2::UserTextIdentificationFrame *frame_fmps_playcount = TagLib::ID3v2::UserTextIdentificationFrame::find(tag, "FMPS_Playcount")) {
TagLib::StringList frame_field_list = frame_fmps_playcount->fieldList();
if (frame_field_list.size() > 1) {
int playcount = TStringToQString(frame_field_list[1]).toInt();
if (song->playcount() <= 0 && playcount > 0) {
song->set_playcount(playcount);
}
}
}
if (TagLib::ID3v2::UserTextIdentificationFrame *frame_fmps_rating = TagLib::ID3v2::UserTextIdentificationFrame::find(tag, "FMPS_Rating")) {
TagLib::StringList frame_field_list = frame_fmps_rating->fieldList();
if (frame_field_list.size() > 1) {
float rating = TStringToQString(frame_field_list[1]).toFloat();
if (song->rating() <= 0 && rating > 0 && rating <= 1.0) {
song->set_rating(rating);
}
}
}
if (map.contains("POPM")) {
const TagLib::ID3v2::PopularimeterFrame *frame = dynamic_cast<const TagLib::ID3v2::PopularimeterFrame*>(map["POPM"].front());
if (frame) {
if (song->playcount() <= 0 && frame->counter() > 0) {
song->set_playcount(frame->counter());
}
if (song->rating() <= 0 && frame->rating() > 0) {
song->set_rating(ConvertPOPMRating(frame->rating()));
}
}
}
if (map.contains("UFID")) {
for (uint i = 0; i < map["UFID"].size(); ++i) {
if (TagLib::ID3v2::UniqueFileIdentifierFrame *frame = dynamic_cast<TagLib::ID3v2::UniqueFileIdentifierFrame*>(map["UFID"][i])) {
const TagLib::PropertyMap property_map = frame->asProperties();
if (property_map.contains(kID3v2_MusicBrainz_RecordingID)) {
TStringToStdString(property_map[kID3v2_MusicBrainz_RecordingID].toString(), song->mutable_musicbrainz_recording_id());
}
}
}
}
if (map.contains("TXXX")) {
for (uint i = 0; i < map["TXXX"].size(); ++i) {
if (TagLib::ID3v2::UserTextIdentificationFrame *frame = dynamic_cast<TagLib::ID3v2::UserTextIdentificationFrame*>(map["TXXX"][i])) {
const TagLib::StringList frame_field_list = frame->fieldList();
if (frame_field_list.size() != 2) continue;
if (frame->description() == kID3v2_AcoustID_ID) {
TStringToStdString(frame_field_list.back(), song->mutable_acoustid_id());
}
if (frame->description() == kID3v2_AcoustID_Fingerprint) {
TStringToStdString(frame_field_list.back(), song->mutable_acoustid_fingerprint());
}
if (frame->description() == kID3v2_MusicBrainz_AlbumArtistID) {
TStringToStdString(frame_field_list.back(), song->mutable_musicbrainz_album_artist_id());
}
if (frame->description() == kID3v2_MusicBrainz_ArtistID) {
TStringToStdString(frame_field_list.back(), song->mutable_musicbrainz_artist_id());
}
if (frame->description() == kID3v2_MusicBrainz_OriginalArtistID) {
TStringToStdString(frame_field_list.back(), song->mutable_musicbrainz_original_artist_id());
}
if (frame->description() == kID3v2_MusicBrainz_AlbumID) {
TStringToStdString(frame_field_list.back(), song->mutable_musicbrainz_album_id());
}
if (frame->description() == kID3v2_MusicBrainz_OriginalAlbumID) {
TStringToStdString(frame_field_list.back(), song->mutable_musicbrainz_original_album_id());
}
if (frame->description() == kID3v2_MusicBrainz_TrackID) {
TStringToStdString(frame_field_list.back(), song->mutable_musicbrainz_track_id());
}
if (frame->description() == kID3v2_MusicBrainz_DiscID) {
TStringToStdString(frame_field_list.back(), song->mutable_musicbrainz_disc_id());
}
if (frame->description() == kID3v2_MusicBrainz_ReleaseGroupID) {
TStringToStdString(frame_field_list.back(), song->mutable_musicbrainz_release_group_id());
}
if (frame->description() == kID3v2_MusicBrainz_WorkID) {
TStringToStdString(frame_field_list.back(), song->mutable_musicbrainz_work_id());
}
}
}
}
}
void TagReaderTagLib::TStringToStdString(const TagLib::String &tag, std::string *output) {
const QString tmp = TStringToQString(tag).trimmed();

1
ext/libstrawberry-tagreader/tagreadertaglib.h
View File

@ -68,6 +68,7 @@ class TagReaderTagLib : public TagReaderBase {
private:
spb::tagreader::SongMetadata_FileType GuessFileType(TagLib::FileRef *fileref) const;
void ParseID3v2Tag(TagLib::ID3v2::Tag *tag, QString *disc, QString *compilation, spb::tagreader::SongMetadata *song) const;
void ParseOggTag(const TagLib::Ogg::FieldListMap &map, QString *disc, QString *compilation, spb::tagreader::SongMetadata *song) const;
void ParseAPETag(const TagLib::APE::ItemListMap &map, QString *disc, QString *compilation, spb::tagreader::SongMetadata *song) const;