scott@amdg:~$ grep mpeg /var/log/packages/gst-plugins-0.8.11-i686-1dl
usr/lib/gstreamer-0.8/libgstffmpegcolorspace.so
usr/lib/gstreamer-0.8/libgstffmpegcolorspace.la
usr/lib/gstreamer-0.8/libgstmpeg1systemencode.so
usr/lib/gstreamer-0.8/libgstmpeg1systemencode.la
usr/lib/gstreamer-0.8/libgstmpeg2subt.so
usr/lib/gstreamer-0.8/libgstmpeg2subt.la
usr/lib/gstreamer-0.8/libgstmpegaudio.so
usr/lib/gstreamer-0.8/libgstmpegaudio.la
usr/lib/gstreamer-0.8/libgstmpegaudioparse.so
usr/lib/gstreamer-0.8/libgstmpegaudioparse.la
usr/lib/gstreamer-0.8/libgstmpegstream.so
usr/lib/gstreamer-0.8/libgstmpegstream.la
usr/lib/gstreamer-0.8/libgstmpeg2dec.so
usr/lib/gstreamer-0.8/libgstmpeg2dec.la