Original commit message from CVS:
2005-11-21  Andy Wingo  <wingo@pobox.com>

* ext/vorbis/vorbisdec.c (vorbis_dec_sink_event):
* gst/videorate/gstvideorate.c (gst_videorate_event):
* ext/theora/theoradec.c (theora_dec_sink_event):
* ext/theora/theoraenc.c (theora_enc_sink_event): Don't take
stream lock.

* gst/subparse/gstsubparse.c (gst_subparse_src_event):
* ext/ogg/gstoggdemux.c (gst_ogg_demux_perform_seek): Update for
stream lock changes.