/*!
* \copydoc MetaIO::read()
*/
Metadata* MetaIOFLACVorbis::read(QString filename)
{
TagLib::FLAC::File *flacfile = OpenFile(filename);
if (!flacfile)
return NULL;
TagLib::Ogg::XiphComment *tag = flacfile->xiphComment();
if (!tag)
{
delete flacfile;
return NULL;
}
Metadata *metadata = new Metadata(filename);
ReadGenericMetadata(tag, metadata);
bool compilation = false;
if (tag->contains("COMPILATION_ARTIST"))
{
QString compilation_artist = TStringToQString(
tag->fieldListMap()["COMPILATION_ARTIST"].toString()).trimmed();
if (compilation_artist != metadata->Artist())
{
metadata->setCompilationArtist(compilation_artist);
compilation = true;
}
}
if (!compilation && tag->contains("MUSICBRAINZ_ALBUMARTISTID"))
{
QString musicbrainzcode = TStringToQString(
tag->fieldListMap()["MUSICBRAINZ_ALBUMARTISTID"].toString()).trimmed();
if (musicbrainzcode == MYTH_MUSICBRAINZ_ALBUMARTIST_UUID)
compilation = true;
}
metadata->setCompilation(compilation);
if (metadata->Length() <= 0)
{
TagLib::FileRef *fileref = new TagLib::FileRef(flacfile);
metadata->setLength(getTrackLength(fileref));
// FileRef takes ownership of flacfile, and is responsible for it's
// deletion. Messy.
delete fileref;
}
else
delete flacfile;
return metadata;
}
/*!
* \copydoc MetaIO::read()
*/
Metadata* MetaIOOggVorbis::read(const QString &filename)
{
TagLib::Ogg::Vorbis::File *oggfile = OpenFile(filename);
if (!oggfile)
return NULL;
TagLib::Ogg::XiphComment *tag = oggfile->tag();
if (!tag)
{
delete oggfile;
return NULL;
}
Metadata *metadata = new Metadata(filename);
ReadGenericMetadata(tag, metadata);
bool compilation = false;
if (tag->contains("COMPILATION_ARTIST"))
{
QString compilation_artist = TStringToQString(
tag->fieldListMap()["COMPILATION_ARTIST"].toString()).trimmed();
if (compilation_artist != metadata->Artist())
{
metadata->setCompilationArtist(compilation_artist);
compilation = true;
}
}
if (!compilation && tag->contains("MUSICBRAINZ_ALBUMARTISTID"))
{
QString musicbrainzcode = TStringToQString(
tag->fieldListMap()["MUSICBRAINZ_ALBUMARTISTID"].toString()).trimmed();
if (musicbrainzcode == MYTH_MUSICBRAINZ_ALBUMARTIST_UUID)
compilation = true;
}
metadata->setCompilation(compilation);
if (metadata->Length() <= 0)
metadata->setLength(getTrackLength(oggfile));
else
delete oggfile;
return metadata;
}
/*!
* \copydoc MetaIO::write()
*/
bool MetaIOFLACVorbis::write(Metadata* mdata)
{
if (!mdata)
return false;
TagLib::FLAC::File *flacfile = OpenFile(mdata->Filename());
if (!flacfile)
return false;
TagLib::Ogg::XiphComment *tag = flacfile->xiphComment();
if (!tag)
{
delete flacfile;
return false;
}
WriteGenericMetadata(tag, mdata);
// Compilation
if (mdata->Compilation())
{
tag->addField("MUSICBRAINZ_ALBUMARTISTID",
MYTH_MUSICBRAINZ_ALBUMARTIST_UUID, true);
tag->addField("COMPILATION_ARTIST",
QStringToTString(mdata->CompilationArtist()), true);
}
else
{
// Don't remove the musicbrainz field unless it indicated a compilation
if (tag->contains("MUSICBRAINZ_ALBUMARTISTID") &&
(tag->fieldListMap()["MUSICBRAINZ_ALBUMARTISTID"].toString() ==
MYTH_MUSICBRAINZ_ALBUMARTIST_UUID))
{
tag->removeField("MUSICBRAINZ_ALBUMARTISTID");
}
tag->removeField("COMPILATION_ARTIST");
}
bool result = flacfile->save();
if (flacfile)
delete flacfile;
return (result);
}
