Emit metaDataChanged when the MediaSource is Phonon::Cd . Also export new metadata:  TRACKNUMBER and MUSICBRAINZ_DISCID
Emit metaDataChanged when the MediaSource is Phonon::Cd . Also export new metadata:  TRACKNUMBER and MUSICBRAINZ_DISCID

KDE/phonon-gstreamer,shadeslayer/phonon-gstreamer,shadeslayer/phonon-gstreamer,KDE/phonon-gstreamer,shadeslayer/phonon-gstreamer