vorbis seems to be 221, decodes borgcube_vorbis20.mp4, demux mi2_vorbis51.mp4...

vorbis seems to be 221, decodes borgcube_vorbis20.mp4, demux mi2_vorbis51.mp4 though not decoded properly (5:1), 249608749a89.3g2 is 225 and is Qclp

Originally committed as revision 5207 to svn://svn.ffmpeg.org/ffmpeg/trunk