TextIdentificationFrame *TextIdentificationFrame::createTIPLFrame(const PropertyMap &properties) // static
{
TextIdentificationFrame *frame = new TextIdentificationFrame("TIPL");
StringList l;
for(PropertyMap::ConstIterator it = properties.begin(); it != properties.end(); ++it){
l.append(it->first);
l.append(it->second.toString(",")); // comma-separated list of names
}
frame->setText(l);
return frame;
}
TextIdentificationFrame *TextIdentificationFrame::createTMCLFrame(const PropertyMap &properties) // static
{
TextIdentificationFrame *frame = new TextIdentificationFrame("TMCL");
StringList l;
for(PropertyMap::ConstIterator it = properties.begin(); it != properties.end(); ++it){
if(!it->first.startsWith(instrumentPrefix)) // should not happen
continue;
l.append(it->first.substr(instrumentPrefix.size()));
l.append(it->second.toString(","));
}
frame->setText(l);
return frame;
}
String ID3v2::Tag::genre() const
{
// TODO: In the next major version (TagLib 2.0) a list of multiple genres
// should be separated by " / " instead of " ". For the moment to keep
// the behavior the same as released versions it is being left with " ".
if(d->frameListMap["TCON"].isEmpty() ||
!dynamic_cast<TextIdentificationFrame *>(d->frameListMap["TCON"].front()))
{
return String::null;
}
// ID3v2.4 lists genres as the fields in its frames field list. If the field
// is simply a number it can be assumed that it is an ID3v1 genre number.
// Here was assume that if an ID3v1 string is present that it should be
// appended to the genre string. Multiple fields will be appended as the
// string is built.
TextIdentificationFrame *f = static_cast<TextIdentificationFrame *>(
d->frameListMap["TCON"].front());
StringList fields = f->fieldList();
StringList genres;
for(StringList::Iterator it = fields.begin(); it != fields.end(); ++it) {
if((*it).isEmpty())
continue;
bool isNumber = true;
for(String::ConstIterator charIt = (*it).begin();
isNumber && charIt != (*it).end();
++charIt)
{
isNumber = *charIt >= '0' && *charIt <= '9';
}
if(isNumber) {
int number = (*it).toInt();
if(number >= 0 && number <= 255)
*it = ID3v1::genre(number);
}
if(std::find(genres.begin(), genres.end(), *it) == genres.end())
genres.append(*it);
}
return genres.toString();
}
void ID3v2::Tag::setTextFrame(const ByteVector &id, const String &value)
{
if(value.isEmpty()) {
removeFrames(id);
return;
}
if(!d->frameListMap[id].isEmpty())
d->frameListMap[id].front()->setText(value);
else {
const String::Type encoding = d->factory->defaultTextEncoding();
TextIdentificationFrame *f = new TextIdentificationFrame(id, encoding);
addFrame(f);
f->setText(value);
}
}
Frame *Frame::createTextualFrame(const String &key, const StringList &values) //static
{
// check if the key is contained in the key<=>frameID mapping
ByteVector frameID = keyToFrameID(key);
if(!frameID.isNull()) {
if(frameID[0] == 'T'){ // text frame
TextIdentificationFrame *frame = new TextIdentificationFrame(frameID, String::UTF8);
frame->setText(values);
return frame;
} else if((frameID[0] == 'W') && (values.size() == 1)){ // URL frame (not WXXX); support only one value
UrlLinkFrame* frame = new UrlLinkFrame(frameID);
frame->setUrl(values.front());
return frame;
}
}
if(key == "MUSICBRAINZ_TRACKID" && values.size() == 1) {
UniqueFileIdentifierFrame *frame = new UniqueFileIdentifierFrame("http://musicbrainz.org", values.front().data(String::UTF8));
return frame;
}
// now we check if it's one of the "special" cases:
// -LYRICS: depending on the number of values, use USLT or TXXX (with description=LYRICS)
if((key == "LYRICS" || key.startsWith(lyricsPrefix)) && values.size() == 1){
UnsynchronizedLyricsFrame *frame = new UnsynchronizedLyricsFrame(String::UTF8);
frame->setDescription(key == "LYRICS" ? key : key.substr(lyricsPrefix.size()));
frame->setText(values.front());
return frame;
}
// -URL: depending on the number of values, use WXXX or TXXX (with description=URL)
if((key == "URL" || key.startsWith(urlPrefix)) && values.size() == 1){
UserUrlLinkFrame *frame = new UserUrlLinkFrame(String::UTF8);
frame->setDescription(key == "URL" ? key : key.substr(urlPrefix.size()));
frame->setUrl(values.front());
return frame;
}
// -COMMENT: depending on the number of values, use COMM or TXXX (with description=COMMENT)
if((key == "COMMENT" || key.startsWith(commentPrefix)) && values.size() == 1){
CommentsFrame *frame = new CommentsFrame(String::UTF8);
if (key != "COMMENT"){
frame->setDescription(key.substr(commentPrefix.size()));
}
frame->setText(values.front());
return frame;
}
// if non of the above cases apply, we use a TXXX frame with the key as description
return new UserTextIdentificationFrame(keyToTXXX(key), values, String::UTF8);
}
void FrameFactory::rebuildAggregateFrames(ID3v2::Tag *tag) const
{
if(tag->header()->majorVersion() < 4 &&
tag->frameList("TDRC").size() == 1 &&
tag->frameList("TDAT").size() == 1)
{
TextIdentificationFrame *tdrc =
static_cast<TextIdentificationFrame *>(tag->frameList("TDRC").front());
UnknownFrame *tdat = static_cast<UnknownFrame *>(tag->frameList("TDAT").front());
if(tdrc->fieldList().size() == 1 &&
tdrc->fieldList().front().size() == 4 &&
tdat->data().size() >= 5)
{
String date(tdat->data().mid(1), String::Type(tdat->data()[0]));
if(date.length() == 4) {
tdrc->setText(tdrc->toString() + '-' + date.substr(2, 2) + '-' + date.substr(0, 2));
if(tag->frameList("TIME").size() == 1) {
UnknownFrame *timeframe = static_cast<UnknownFrame *>(tag->frameList("TIME").front());
if(timeframe->data().size() >= 5) {
String time(timeframe->data().mid(1), String::Type(timeframe->data()[0]));
if(time.length() == 4) {
tdrc->setText(tdrc->toString() + 'T' + time.substr(0, 2) + ':' + time.substr(2, 2));
}
}
}
}
}
}
}
Frame *FrameFactory::createFrame(const ByteVector &data, uint version) const
{
Frame::Header *header = new Frame::Header(data, version);
ByteVector frameID = header->frameID();
// A quick sanity check -- make sure that the frameID is 4 uppercase Latin1
// characters. Also make sure that there is data in the frame.
if(!frameID.size() == (version < 3 ? 3 : 4) ||
header->frameSize() <= 0 ||
header->frameSize() > data.size())
{
delete header;
return 0;
}
for(ByteVector::ConstIterator it = frameID.begin(); it != frameID.end(); it++) {
if( (*it < 'A' || *it > 'Z') && (*it < '1' || *it > '9') ) {
delete header;
return 0;
}
}
// TagLib doesn't mess with encrypted frames, so just treat them
// as unknown frames.
#if HAVE_ZLIB == 0
if(header->compression()) {
debug("Compressed frames are currently not supported.");
return new UnknownFrame(data, header);
}
#endif
if(header->encryption()) {
debug("Encrypted frames are currently not supported.");
return new UnknownFrame(data, header);
}
if(!updateFrame(header)) {
header->setTagAlterPreservation(true);
return new UnknownFrame(data, header);
}
// updateFrame() might have updated the frame ID.
frameID = header->frameID();
// This is where things get necissarily nasty. Here we determine which
// Frame subclass (or if none is found simply an Frame) based
// on the frame ID. Since there are a lot of possibilities, that means
// a lot of if blocks.
// Text Identification (frames 4.2)
if(frameID.startsWith("T")) {
TextIdentificationFrame *f = frameID != "TXXX"
? new TextIdentificationFrame(data, header)
: new UserTextIdentificationFrame(data, header);
if(d->useDefaultEncoding)
f->setTextEncoding(d->defaultEncoding);
if(frameID == "TCON")
updateGenre(f);
return f;
}
// Comments (frames 4.10)
if(frameID == "COMM") {
CommentsFrame *f = new CommentsFrame(data, header);
if(d->useDefaultEncoding)
f->setTextEncoding(d->defaultEncoding);
return f;
}
// Attached Picture (frames 4.14)
if(frameID == "APIC") {
AttachedPictureFrame *f = new AttachedPictureFrame(data, header);
if(d->useDefaultEncoding)
f->setTextEncoding(d->defaultEncoding);
return f;
}
// Relative Volume Adjustment (frames 4.11)
if(frameID == "RVA2")
return new RelativeVolumeFrame(data, header);
// Unique File Identifier (frames 4.1)
if(frameID == "UFID")
return new UniqueFileIdentifierFrame(data, header);
// General Encapsulated Object (frames 4.15)
if(frameID == "GEOB")
return new GeneralEncapsulatedObjectFrame(data, header);
return new UnknownFrame(data, header);
}
/*!
* \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(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()
*/
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;
}
String ID3v2::Tag::genre() const
{
// TODO: In the next major version (TagLib 2.0) a list of multiple genres
// should be separated by " / " instead of " ". For the moment to keep
// the behavior the same as released versions it is being left with " ".
if(!d->frameListMap["TCON"].isEmpty() &&
dynamic_cast<TextIdentificationFrame *>(d->frameListMap["TCON"].front()))
{
Frame *frame = d->frameListMap["TCON"].front();
// ID3v2.4 lists genres as the fields in its frames field list. If the field
// is simply a number it can be assumed that it is an ID3v1 genre number.
// Here was assume that if an ID3v1 string is present that it should be
// appended to the genre string. Multiple fields will be appended as the
// string is built.
if(d->header.majorVersion() == 4) {
TextIdentificationFrame *f = static_cast<TextIdentificationFrame *>(frame);
StringList fields = f->fieldList();
String genreString;
bool hasNumber = false;
for(StringList::ConstIterator it = fields.begin(); it != fields.end(); ++it) {
bool isNumber = true;
for(String::ConstIterator charIt = (*it).begin();
isNumber && charIt != (*it).end();
++charIt)
{
isNumber = *charIt >= '0' && *charIt <= '9';
}
if(!genreString.isEmpty())
genreString.append(' ');
if(isNumber) {
int number = (*it).toInt();
if(number >= 0 && number <= 255) {
hasNumber = true;
genreString.append(ID3v1::genre(number));
}
}
else
genreString.append(*it);
}
if(hasNumber)
return genreString;
}
String s = frame->toString();
// ID3v2.3 "content type" can contain a ID3v1 genre number in parenthesis at
// the beginning of the field. If this is all that the field contains, do a
// translation from that number to the name and return that. If there is a
// string folloing the ID3v1 genre number, that is considered to be
// authoritative and we return that instead. Or finally, the field may
// simply be free text, in which case we just return the value.
int closing = s.find(")");
if(s.substr(0, 1) == "(" && closing > 0) {
if(closing == int(s.size() - 1))
return ID3v1::genre(s.substr(1, s.size() - 2).toInt());
else
return s.substr(closing + 1);
}
return s;
}
return String::null;
}
