Original commit message from CVS:
2006-04-03 Andy Wingo <wingo@pobox.com>
* ext/theora/theora.c (plugin_init): Register theoraparse.
* ext/theora/gsttheoraparse.h:
* ext/theora/theoraparse.c: New files implementing a theora
parser. Now we can properly remux ogg/theora+vorbis, yay.