Original commit message from CVS:
* ext/theora/gsttheoradec.h:
* ext/theora/theoradec.c: (gst_theora_dec_init),
(gst_theora_dec_reset), (theora_dec_src_event),
(theora_dec_sink_event), (theora_handle_type_packet):
Copy seqnum.
Keep events in a pending list, like vorbisdec, instead of trying
to construct a segment event ourselves.
* ext/vorbis/vorbisdec.c: (gst_vorbis_dec_reset),
(vorbis_dec_src_event), (vorbis_dec_sink_event):
* ext/vorbis/vorbisdec.h:
Copy seqnum.