/*! * \copydoc MetaIO::read() */ Metadata *MetaIOID3::read(QString filename) { TagLib::MPEG::File *mpegfile = OpenFile(filename); if (!mpegfile) return NULL; TagLib::ID3v2::Tag *tag = mpegfile->ID3v2Tag(); if (!tag) { delete mpegfile; return NULL; } // if there is no ID3v2 tag, try to read the ID3v1 tag and copy it to the ID3v2 tag structure if (tag->isEmpty()) { TagLib::ID3v1::Tag *tag_v1 = mpegfile->ID3v1Tag(); if (!tag_v1) { delete mpegfile; return NULL; } if (!tag_v1->isEmpty()) { tag->setTitle(tag_v1->title()); tag->setArtist(tag_v1->artist()); tag->setAlbum(tag_v1->album()); tag->setTrack(tag_v1->track()); tag->setYear(tag_v1->year()); tag->setGenre(tag_v1->genre()); } } Metadata *metadata = new Metadata(filename); ReadGenericMetadata(tag, metadata); bool compilation = false; // Compilation Artist (TPE4 Remix) or fallback to (TPE2 Band) // N.B. The existance of a either frame is NOT an indication that this // is a compilation, but if it is then one of them will probably hold // the compilation artist. TextIdentificationFrame *tpeframe = NULL; TagLib::ID3v2::FrameList tpelist = tag->frameListMap()["TPE4"]; if (tpelist.isEmpty() || tpelist.front()->toString().isEmpty()) tpelist = tag->frameListMap()["TPE2"]; if (!tpelist.isEmpty()) tpeframe = (TextIdentificationFrame *)tpelist.front(); if (tpeframe && !tpeframe->toString().isEmpty()) { QString compilation_artist = TStringToQString(tpeframe->toString()) .trimmed(); metadata->setCompilationArtist(compilation_artist); } // MythTV rating and playcount, stored in POPM frame PopularimeterFrame *popm = findPOPM(tag, email); if (!popm) { if (!tag->frameListMap()["POPM"].isEmpty()) popm = dynamic_cast<PopularimeterFrame *> (tag->frameListMap()["POPM"].front()); } if (popm) { int rating = popm->rating(); rating = static_cast<int>(((static_cast<float>(rating)/255.0) * 10.0) + 0.5); metadata->setRating(rating); metadata->setPlaycount(popm->counter()); } // Look for MusicBrainz Album+Artist ID in TXXX Frame UserTextIdentificationFrame *musicbrainz = find(tag, "MusicBrainz Album Artist Id"); if (musicbrainz) { // If the MusicBrainz ID is the special "Various Artists" ID // then compilation is TRUE if (!compilation && !musicbrainz->fieldList().isEmpty()) compilation = (MYTH_MUSICBRAINZ_ALBUMARTIST_UUID == TStringToQString(musicbrainz->fieldList().front())); } // TLEN - Ignored intentionally, some encoders write bad values // e.g. Lame under certain circumstances will always write a length of // 27 hours metadata->setCompilation(compilation); TagLib::FileRef *fileref = new TagLib::FileRef(mpegfile); metadata->setLength(getTrackLength(fileref)); // FileRef takes ownership of mpegfile, and is responsible for it's // deletion. Messy. delete fileref; return metadata; }
/*! * \copydoc MetaIO::read() */ MusicMetadata *MetaIOID3::read(const QString &filename) { if (!OpenFile(filename)) return nullptr; TagLib::ID3v2::Tag *tag = GetID3v2Tag(true); // Create tag if none are found // if there is no ID3v2 tag, try to read the ID3v1 tag and copy it to // the ID3v2 tag structure if (tag->isEmpty()) { TagLib::ID3v1::Tag *tag_v1 = GetID3v1Tag(); if (!tag_v1) return nullptr; if (!tag_v1->isEmpty()) { tag->setTitle(tag_v1->title()); tag->setArtist(tag_v1->artist()); tag->setAlbum(tag_v1->album()); tag->setTrack(tag_v1->track()); tag->setYear(tag_v1->year()); tag->setGenre(tag_v1->genre()); } } MusicMetadata *metadata = new MusicMetadata(filename); ReadGenericMetadata(tag, metadata); bool compilation = false; // Compilation Artist (TPE4 Remix) or fallback to (TPE2 Band) // N.B. The existance of a either frame is NOT an indication that this // is a compilation, but if it is then one of them will probably hold // the compilation artist. TextIdentificationFrame *tpeframe = nullptr; TagLib::ID3v2::FrameList tpelist = tag->frameListMap()["TPE4"]; if (tpelist.isEmpty() || tpelist.front()->toString().isEmpty()) tpelist = tag->frameListMap()["TPE2"]; if (!tpelist.isEmpty()) tpeframe = (TextIdentificationFrame *)tpelist.front(); if (tpeframe && !tpeframe->toString().isEmpty()) { QString compilation_artist = TStringToQString(tpeframe->toString()) .trimmed(); metadata->setCompilationArtist(compilation_artist); } // Rating and playcount, stored in POPM frame PopularimeterFrame *popm = findPOPM(tag, ""); // Global (all apps) tag // If no 'global' tag exists, look for the MythTV specific one if (!popm) { popm = findPOPM(tag, email); } // Fallback to using any POPM tag we can find if (!popm) { if (!tag->frameListMap()["POPM"].isEmpty()) popm = dynamic_cast<PopularimeterFrame *> (tag->frameListMap()["POPM"].front()); } if (popm) { int rating = popm->rating(); rating = lroundf(static_cast<float>(rating) / 255.0f * 10.0f); metadata->setRating(rating); metadata->setPlaycount(popm->counter()); } // Look for MusicBrainz Album+Artist ID in TXXX Frame UserTextIdentificationFrame *musicbrainz = find(tag, "MusicBrainz Album Artist Id"); if (musicbrainz) { // If the MusicBrainz ID is the special "Various Artists" ID // then compilation is TRUE if (!compilation && !musicbrainz->fieldList().isEmpty()) { TagLib::StringList l = musicbrainz->fieldList(); for (TagLib::StringList::ConstIterator it = l.begin(); it != l.end(); it++) { QString ID = TStringToQString((*it)); if (ID == MYTH_MUSICBRAINZ_ALBUMARTIST_UUID) { compilation = true; break; } } } } // TLEN - Ignored intentionally, some encoders write bad values // e.g. Lame under certain circumstances will always write a length of // 27 hours // Length if (!tag->frameListMap()["TLEN"].isEmpty()) { int length = tag->frameListMap()["TLEN"].front()->toString().toInt(); LOG(VB_FILE, LOG_DEBUG, QString("MetaIOID3::read: Length for '%1' from tag is '%2'\n").arg(filename).arg(length)); } metadata->setCompilation(compilation); metadata->setLength(getTrackLength(m_file)); // The number of tracks on the album, if supplied if (!tag->frameListMap()["TRCK"].isEmpty()) { QString trackFrame = TStringToQString( tag->frameListMap()["TRCK"].front()->toString()) .trimmed(); int trackCount = trackFrame.section('/', -1).toInt(); if (trackCount > 0) metadata->setTrackCount(trackCount); } LOG(VB_FILE, LOG_DEBUG, QString("MetaIOID3::read: Length for '%1' from properties is '%2'\n").arg(filename).arg(metadata->Length())); // Look for MythTVLastPlayed in TXXX Frame UserTextIdentificationFrame *lastplayed = find(tag, "MythTVLastPlayed"); if (lastplayed) { QString lastPlayStr = TStringToQString(lastplayed->toString()); metadata->setLastPlay(QDateTime::fromString(lastPlayStr, Qt::ISODate)); } // Part of a set if (!tag->frameListMap()["TPOS"].isEmpty()) { QString pos = TStringToQString( tag->frameListMap()["TPOS"].front()->toString()).trimmed(); int discNumber = pos.section('/', 0, 0).toInt(); int discCount = pos.section('/', -1).toInt(); if (discNumber > 0) metadata->setDiscNumber(discNumber); if (discCount > 0) metadata->setDiscCount(discCount); } return metadata; }
/*! * \copydoc MetaIO::read() */ Metadata *MetaIOID3::read(const QString &filename) { if (!OpenFile(filename)) return NULL; TagLib::ID3v2::Tag *tag = GetID3v2Tag(true); // Create tag if none are found // if there is no ID3v2 tag, try to read the ID3v1 tag and copy it to // the ID3v2 tag structure if (tag->isEmpty()) { TagLib::ID3v1::Tag *tag_v1 = GetID3v1Tag(); if (!tag_v1) return NULL; if (!tag_v1->isEmpty()) { tag->setTitle(tag_v1->title()); tag->setArtist(tag_v1->artist()); tag->setAlbum(tag_v1->album()); tag->setTrack(tag_v1->track()); tag->setYear(tag_v1->year()); tag->setGenre(tag_v1->genre()); } } Metadata *metadata = new Metadata(filename); ReadGenericMetadata(tag, metadata); bool compilation = false; // Compilation Artist (TPE4 Remix) or fallback to (TPE2 Band) // N.B. The existance of a either frame is NOT an indication that this // is a compilation, but if it is then one of them will probably hold // the compilation artist. TextIdentificationFrame *tpeframe = NULL; TagLib::ID3v2::FrameList tpelist = tag->frameListMap()["TPE4"]; if (tpelist.isEmpty() || tpelist.front()->toString().isEmpty()) tpelist = tag->frameListMap()["TPE2"]; if (!tpelist.isEmpty()) tpeframe = (TextIdentificationFrame *)tpelist.front(); if (tpeframe && !tpeframe->toString().isEmpty()) { QString compilation_artist = TStringToQString(tpeframe->toString()) .trimmed(); metadata->setCompilationArtist(compilation_artist); } // MythTV rating and playcount, stored in POPM frame PopularimeterFrame *popm = findPOPM(tag, email); if (!popm) { if (!tag->frameListMap()["POPM"].isEmpty()) popm = dynamic_cast<PopularimeterFrame *> (tag->frameListMap()["POPM"].front()); } if (popm) { int rating = popm->rating(); rating = static_cast<int>(((static_cast<float>(rating)/255.0) * 10.0) + 0.5); metadata->setRating(rating); metadata->setPlaycount(popm->counter()); } // Look for MusicBrainz Album+Artist ID in TXXX Frame UserTextIdentificationFrame *musicbrainz = find(tag, "MusicBrainz Album Artist Id"); if (musicbrainz) { // If the MusicBrainz ID is the special "Various Artists" ID // then compilation is TRUE if (!compilation && !musicbrainz->fieldList().isEmpty()) compilation = (MYTH_MUSICBRAINZ_ALBUMARTIST_UUID == TStringToQString(musicbrainz->fieldList().front())); } // TLEN - Ignored intentionally, some encoders write bad values // e.g. Lame under certain circumstances will always write a length of // 27 hours // Length if (!tag->frameListMap()["TLEN"].isEmpty()) { int length = tag->frameListMap()["TLEN"].front()->toString().toInt(); LOG(VB_FILE, LOG_DEBUG, QString("MetaIOID3::read: Length for '%1' from tag is '%2'\n").arg(filename).arg(length)); } metadata->setCompilation(compilation); metadata->setLength(getTrackLength(m_file)); // The number of tracks on the album, if supplied if (!tag->frameListMap()["TRCK"].isEmpty()) { QString trackFrame = TStringToQString( tag->frameListMap()["TRCK"].front()->toString()) .trimmed(); int trackCount = trackFrame.section('/', -1).toInt(); if (trackCount > 0) metadata->setTrackCount(trackCount); } LOG(VB_FILE, LOG_DEBUG, QString("MetaIOID3::read: Length for '%1' from properties is '%2'\n").arg(filename).arg(metadata->Length())); return metadata; }