Tune* tuneFromFile(const QString& file)
{
Tune* tune = new Tune(false);
tune->file = file;
TagLib::FileRef ref = fileName2TaglibRef(file);
if(!ref.isNull()) {
if(ref.tag()) {
TagLib::Tag* tag = ref.tag();
tune->artist = safeTagLibString2QString( tag->artist() );
tune->album = safeTagLibString2QString( tag->album() );
tune->title = safeTagLibString2QString( tag->title() );
tune->trackNumber = QString::number( tag->track() );
tune->genre = safeTagLibString2QString( tag->genre() );
}
Qomp::loadCover(tune, ref.file());
if(ref.audioProperties()) {
TagLib::AudioProperties *prop = ref.audioProperties();
tune->duration = Qomp::durationSecondsToString( prop->length() );
tune->bitRate = QString::number( prop->bitrate() );
}
tune->setMetadataResolved(true);
}
return tune;
}
bool getAudioInfo(const QString& file, qint64* durationMiliSecs, int* bitrate)
{
TagLib::FileRef ref = Qomp::fileName2TaglibRef(file);
if(!ref.isNull() && ref.audioProperties()) {
TagLib::AudioProperties *prop = ref.audioProperties();
*bitrate = prop->bitrate();
*durationMiliSecs = prop->length() * 1000;
return true;
}
return false;
}
/**
* MPEG-4:
* Video Codecs:
* H.264 Baseline: avc1.42E0xx, where xx is the AVC level
* H.264 Main: avc1.4D40xx, where xx is the AVC level
* H.264 High: avc1.6400xx, where xx is the AVC level
* MPEG-4 Visual Simple Profile Level 0: mp4v.20.9
* MPEG-4 Visual Advanced Simple Profile Level 0: mp4v.20.240
* Audio Codecs:
* Low-Complexity AAC: mp4a.40.2
*/
void p_mp4_header(TagLib::FileRef f)
{
TagLib::String title = f.tag()->title();
TagLib::String artist = f.tag()->artist();
TagLib::String album = f.tag()->album();
TagLib::String comment = f.tag()->comment();
TagLib::String genre = f.tag()->genre();
TagLib::uint year = f.tag()->year();
TagLib::uint track = f.tag()->track();
TagLib::MP4::Properties *prop = (TagLib::MP4::Properties*) f.audioProperties();
TagLib::MP4::Properties::Codec codec = prop->codec();
printf("Metadata\n");
printf("Artist : %s\nTitle : %s\nAlbum : %s\nGenre : %s\n",
artist.toCString(true),
title.toCString(true),
album.toCString(true),
genre.toCString(true));
printf("Comment : %s\nYear : %d\nTrack : %d\n",
comment.toCString(true),
year, track);
printf("Length : %d\nBitrate : %d\nS' Rate : %d\nChannels : %d\n",
prop->length(),
prop->bitrate(),
prop->sampleRate(),
prop->channels());
printf("BPS : %d\nEncrypted : %d\nAudio Codec : %s\n",
prop->bitsPerSample(),
prop->isEncrypted(),
mp4_codec_str[codec]);
}
void Track::readTags()
{
QByteArray fileName = QFile::encodeName( p->url.toLocalFile() );
const char * encodedName = fileName.constData();
TagLib::FileRef fileref = TagLib::FileRef( encodedName, true, TagLib::AudioProperties::Fast);
if ( !fileref.isNull() )
{
if( fileref.tag() )
{
TagLib::Tag *tag = fileref.tag();
p->title = !tag->title().isNull() ? TStringToQString( tag->title() ).trimmed() : QObject::tr("Unknown");
p->artist = !tag->artist().isNull() ? TStringToQString( tag->artist() ).trimmed() : QObject::tr("Unknown");
p->album = !tag->album().isNull() ? TStringToQString( tag->album() ).trimmed() : QObject::tr("Unknown");
p->comment = TStringToQString( tag->comment() ).trimmed();
p->genre = !tag->genre().isNull() ? TStringToQString( tag->genre() ).trimmed() : QObject::tr("Unknown");
p->year = tag->year() ? QString::number( tag->year() ) : QString::null;
p->tracknumber = tag->track() ? QString::number( tag->track() ) : QString::null;
p->length = fileref.audioProperties()->length();
p->counter = 0;
p->rate = 0;
//polish up empty tags
if( p->title == QObject::tr("Unknown") ) {
QFileInfo fileInfo(p->url.toLocalFile());
p->title = fileInfo.fileName().replace( '_', ' ' ).replace('.' + fileInfo.suffix(),"") ;
}
}
}
}
/*!
* \brief Find the length of the track (in seconds)
*
* \param filename The filename for which we want to find the length.
* \returns An integer (signed!) to represent the length in milliseconds.
*/
int MetaIOTagLib::getTrackLength(const QString &filename)
{
int milliseconds = 0;
QByteArray fname = filename.toLocal8Bit();
TagLib::FileRef *file = new TagLib::FileRef(fname.constData());
if (file && file->audioProperties())
milliseconds = file->audioProperties()->length() * 1000;
// If we didn't get a valid length, add the metadata but show warning.
if (milliseconds <= 1000)
LOG(VB_GENERAL, LOG_ERR,
QString("MetaIOTagLib: Failed to read length "
"from '%1'. It may be corrupt.").arg(filename));
return milliseconds;
}
BlockResult Block::eval(const TagLib::FileRef& file)
{
TagLib::PropertyMap metadata = file.tag()->properties();
TagLib::StringList list;
std::stringstream ss;
// TODO: Needs to be refactored
// TODO: Add more
ss << file.audioProperties()->length();
list.append(ss.str());
metadata.insert("length", list);
list.clear();
ss.clear();
ss << file.audioProperties()->bitrate();
list.append(ss.str());
metadata.insert("bitrate", list);
list.clear();
ss.clear();
if (file.audioProperties()->channels() == 1) {
list.append("mono");
} else if (file.audioProperties()->channels() == 2) {
list.append("stereo");
} //TODO: Add more channels names
metadata.insert("channels", list);
list.clear();
ss.clear();
ss << file.audioProperties()->sampleRate();
list.append(ss.str());
metadata.insert("samplerate", list);
list.clear();
ss.clear();
list.append(file.file()->name());
metadata.insert("filename", list);
list.clear();
ss.clear();
return this->eval(metadata);
}
void
MetaBundle::readTags( TagLib::AudioProperties::ReadStyle readStyle )
{
if( m_url.protocol() != "file" )
return;
const QString path = m_url.path();
TagLib::FileRef fileref;
TagLib::Tag *tag = 0;
if( AmarokConfig::recodeID3v1Tags() && path.endsWith( ".mp3", false ) )
{
TagLib::MPEG::File *mpeg = new TagLib::MPEG::File( QFile::encodeName( path ), true, readStyle );
fileref = TagLib::FileRef( mpeg );
if( mpeg->isValid() )
// we prefer ID3v1 over ID3v2 if recoding tags because
// apparently this is what people who ignore ID3 standards want
tag = mpeg->ID3v1Tag() ? (TagLib::Tag*)mpeg->ID3v1Tag() : (TagLib::Tag*)mpeg->ID3v2Tag();
}
else {
fileref = TagLib::FileRef( QFile::encodeName( path ), true, readStyle );
if( !fileref.isNull() )
tag = fileref.tag();
}
if( !fileref.isNull() ) {
if ( tag ) {
#define strip( x ) TStringToQString( x ).stripWhiteSpace()
m_title = strip( tag->title() );
m_artist = strip( tag->artist() );
m_album = strip( tag->album() );
m_comment = strip( tag->comment() );
m_genre = strip( tag->genre() );
m_year = tag->year() ? QString::number( tag->year() ) : QString();
m_track = tag->track() ? QString::number( tag->track() ) : QString();
#undef strip
m_isValidMedia = true;
}
init( fileref.audioProperties() );
}
//FIXME disabled for beta4 as it's simpler to not got 100 bug reports
//else if( KMimeType::findByUrl( m_url )->is( "audio" ) )
// init( KFileMetaInfo( m_url, QString::null, KFileMetaInfo::Everything ) );
}
// Use Taglib to parse tags from file and add entried to wxListCtrl
void AddFromFile_Taglib(wxListCtrl *listctrl, const std::map< wxString, long > &mapping, const wxString &filename)
{
TagLib::FileRef f = TagLib::FileRef(filename.c_str(), TagLib::String::UTF8 ); //TODO: is c_str() safe?
if ( f.isNull() )
{
wxLogError(wxT("Error: TagLib could not read ") + filename + wxT("."));
return;
}
if ( ! f.tag() )
{
wxLogError(wxT("Error: TagLib could not read the tags of file ") + filename + wxT("."));
return;
}
TagLib::Tag *tag = f.tag();
auto idx = listctrl->GetItemCount();
auto row_idx = listctrl->InsertItem(idx, wxString::Format(wxT("%d"), idx) );
// TODO: check return values
listctrl->SetItem(row_idx, mapping.find("Artist")->second, wxString(tag->artist().to8Bit(true)) );
listctrl->SetItem(row_idx, mapping.find("Trackname")->second, wxString(tag->title().to8Bit(true)));
listctrl->SetItem(row_idx, mapping.find("Album")->second, wxString(tag->album().to8Bit(true)));
if ( f.audioProperties() )
{
TagLib::AudioProperties *properties = f.audioProperties();
int seconds = properties->length() % 60;
int minutes = (properties->length() - seconds) / 60;
wxString timestr = wxString::Format("%d:%02d", minutes, seconds);
listctrl->SetItem(row_idx, mapping.find("Time")->second, timestr);
}
}
void MediaInfo::readInfo(TagLib::FileRef f) {
bitrate = f.audioProperties() -> bitrate();
channels = f.audioProperties() -> channels();
duration = f.audioProperties() -> length();
sampleRate = f.audioProperties() -> sampleRate();
}
