cmacdonald@pea:~$ dpkg -l | grep gstreamer
ii  gstreamer0.10-alsa                         0.10.14-1ubuntu3                     GStreamer plugin for ALSA
ii  gstreamer0.10-esd                          0.10.6-0ubuntu4                      GStreamer plugin for ESD
ii  gstreamer0.10-ffmpeg                       0.10.2-2ubuntu1                      FFmpeg plugin for GStreamer
ii  gstreamer0.10-fluendo-mpegdemux            0.10.12-0ubuntu1                     Fluendo GStreamer plugin for MPEG2 demuxing
ii  gstreamer0.10-gnomevfs                     0.10.14-1ubuntu3                     GStreamer plugin for GnomeVFS
ii  gstreamer0.10-plugins-bad                  0.10.5-4ubuntu1                      GStreamer plugins from the "bad" set
ii  gstreamer0.10-plugins-base                 0.10.14-1ubuntu3                     GStreamer plugins from the "base" set
ii  gstreamer0.10-plugins-base-apps            0.10.14-1ubuntu3                     GStreamer helper programs from the "base" se
ii  gstreamer0.10-plugins-good                 0.10.6-0ubuntu4                      GStreamer plugins from the "good" set
ii  gstreamer0.10-plugins-ugly                 0.10.6-0ubuntu2                      GStreamer plugins from the "ugly" set
ii  gstreamer0.10-schroedinger                 0.6.1-3                              GStreamer plugin for encoding/decoding of Di
ii  gstreamer0.10-tools                        0.10.14-1ubuntu3                     Tools for use with GStreamer
ii  gstreamer0.10-x                            0.10.14-1ubuntu3                     GStreamer plugins for X11 and Pango
ii  libgstreamer-plugins-base0.10-0            0.10.14-1ubuntu3                     GStreamer libraries from the "base" set
ii  libgstreamer0.10-0                         0.10.14-1ubuntu3                     Core GStreamer libraries and elements
ii  totem-gstreamer                            2.20.0-0ubuntu3                      A simple media player for the Gnome desktop