ext/ffmpeg/gstffmpegcodecmap.c: Add new codecIDs from new snapshot (Thu Dec 16 11...

ext/ffmpeg/gstffmpegcodecmap.c: Add new codecIDs from new snapshot (Thu Dec 16 11:27:18 2004).

Original commit message from CVS:
* ext/ffmpeg/gstffmpegcodecmap.c: (gst_ffmpeg_codecid_to_caps),
(gst_ffmpeg_caps_to_codecid), (gst_ffmpeg_get_codecid_longname),
(gst_ffmpeg_avpicture_fill):
Add new codecIDs from new snapshot (Thu Dec 16 11:27:18 2004).
* ext/ffmpeg/gstffmpegdemux.c: (gst_ffmpegdemux_src_event),
(gst_ffmpegdemux_type_find), (gst_ffmpegdemux_loop):
* ext/ffmpeg/gstffmpegmux.c: (gst_ffmpegmux_loop):
API updates.
* ext/ffmpeg/gstffmpegprotocol.c: (gst_ffmpegdata_read),
(gst_ffmpegdata_seek):
A slightly smarter approach, but it still needs lost of work to
be reliable in any way...