bool KFlacPlugin::readInfo( KFileMetaInfo& info, uint what )
{
if ( info.path().isEmpty() ) // remote file
return false;
bool readComment = false;
bool readTech = false;
if (what & (KFileMetaInfo::Fastest |
KFileMetaInfo::DontCare |
KFileMetaInfo::ContentInfo)) readComment = true;
if (what & (KFileMetaInfo::Fastest |
KFileMetaInfo::DontCare |
KFileMetaInfo::TechnicalInfo)) readTech = true;
TagLib::File *file = 0;
if (info.mimeType() == "audio/x-flac")
file = new TagLib::FLAC::File(QFile::encodeName(info.path()).data(), readTech);
#ifdef TAGLIB_1_2
else
file = new TagLib::Ogg::FLAC::File(QFile::encodeName(info.path()).data(), readTech);
#endif
if (!file || !file->isValid())
{
kdDebug(7034) << "Couldn't open " << file->name() << endl;
delete file;
return false;
}
if(readComment && file->tag())
{
KFileMetaInfoGroup commentgroup = appendGroup(info, "Comment");
QString date = file->tag()->year() > 0 ? QString::number(file->tag()->year()) : QString::null;
QString track = file->tag()->track() > 0 ? QString::number(file->tag()->track()) : QString::null;
appendItem(commentgroup, "Title", TStringToQString(file->tag()->title()).stripWhiteSpace());
appendItem(commentgroup, "Artist", TStringToQString(file->tag()->artist()).stripWhiteSpace());
appendItem(commentgroup, "Album", TStringToQString(file->tag()->album()).stripWhiteSpace());
appendItem(commentgroup, "Date", date);
appendItem(commentgroup, "Comment", TStringToQString(file->tag()->comment()).stripWhiteSpace());
appendItem(commentgroup, "Tracknumber", track);
appendItem(commentgroup, "Genre", TStringToQString(file->tag()->genre()).stripWhiteSpace());
}
if (readTech && file->audioProperties())
{
KFileMetaInfoGroup techgroup = appendGroup(info, "Technical");
TagLib::FLAC::Properties *properties =
(TagLib::FLAC::Properties*)(file->audioProperties());
appendItem(techgroup, "Bitrate", properties->bitrate());
appendItem(techgroup, "Sample Rate", properties->sampleRate());
appendItem(techgroup, "Sample Width", properties->sampleWidth());
appendItem(techgroup, "Channels", properties->channels());
appendItem(techgroup, "Length", properties->length());
}
delete file;
return true;
}
void import_flac_file(const std::string& filename)
{
//std::cerr << "import_flac_file " << filename << std::endl;
TagLib::FLAC::File file(filename.c_str());
auto tag = file.tag();
auto artist_name = tag->artist().to8Bit(true);
auto album_title = tag->album().to8Bit(true);
auto track_title = tag->title().to8Bit(true);
auto artist = dm::artist::find_by_name(artist_name);
if ( artist.is_null() )
{
// Create artist.
artist.name(artist_name);
artist.save();
}
auto album = artist.find_album_by_title(album_title);
if ( album.is_null() )
{
// Create album.
album.title(album_title);
album.member("artist", json::object{ { "id", artist.id() }, { "name", artist.name() } });
album.save();
// Add album to artist albums.
artist.add_album(album);
artist.save();
}
auto track = album.find_track_by_title_and_number(track_title, tag->track());
// Set/update track attributes.
track.title(track_title);
track.track_number(tag->track());
track.disc_number(1);
// Create track source object.
json::object source{ { "name", "local" }, { "uri", filename } };
TagLib::FLAC::Properties* properties = file.audioProperties();
if ( properties )
{
track.duration(properties->length());
}
TagLib::Ogg::XiphComment* xiph_comment = file.xiphComment();
if ( xiph_comment )
{
auto field_map = xiph_comment->fieldListMap();
json::object replaygain;
for ( auto& field : field_map )
{
if ( field.first == "TRACK NUMBER" || field.first == "TRACKNUMBER" )
{
if ( field.second.size() > 0 ) {
track.track_number(std::stoi(field.second[0].to8Bit()));
}
else {
std::cerr << "field='" << field.first << "' string list size=" << field.second.size() << std::endl;
}
}
else if ( field.first == "DISC NUMBER" || field.first == "DISCNUMBER" )
{
if ( field.second.size() > 0 ) {
track.disc_number(std::stoi(field.second[0].to8Bit()));
}
else {
std::cerr << "field='" << field.first << "' string list size=" << field.second.size() << std::endl;
}
}
else if ( field.first == "REPLAYGAIN_REFERENCE_LOUDNESS" )
{
auto ref_loudness = std::stod(field.second[0].to8Bit());
replaygain["reference_loudness"] = ref_loudness;
}
else if ( field.first == "REPLAYGAIN_TRACK_GAIN" )
{
auto gain = std::stod(field.second[0].to8Bit());
replaygain["track_gain"] = gain;
}
}
if ( !replaygain.empty() ) {
source["replaygain"] = replaygain;
}
}
const TagLib::List<TagLib::FLAC::Picture*>& images = file.pictureList();
if ( images.size() > 0 )
{
TagLib::FLAC::Picture* image = images[0];
if ( image->mimeType() == "image/jpeg" )
{
auto cover = dm::album_cover::find_by_album_id(album.id());
if ( cover.is_null() )
{
cover.format("jpg");
cover.data(reinterpret_cast<const char*>(image->data().data()), image->data().size());
cover.save();
}
}
else
{
std::cerr << "unhandled image mime type - " << filename << " images=" << images.size() << ", mime type " << image->mimeType() << std::endl;
}
}
track.artist(artist);
track.album(album);
track.source(std::move(source));
if ( track.id_is_null() )
{
// Create track id.
track.save();
// Add new track to album.
album.add_track(track);
album.save();
}
else
{
track.save();
}
}