Comment 32 for bug 334082

Running Lucid amd64, possibly relevant packages from dpkg -l:

ii rhythmbox 0.12.8-0ubuntu1
ii rhythmbox-plugin-cdrecorder 0.12.8-0ubuntu1
ii rhythmbox-plugin-coherence 0.12.8-0ubuntu1
ii rhythmbox-plugins 0.12.8-0ubuntu1
ii rhythmbox-ubuntuone-music-store 0.0.8-0ubuntu1

ii gstreamer0.10-alsa 0.10.28-1
ii gstreamer0.10-ffmpeg 0.10.10-1
ii gstreamer0.10-gnonlin 0.10.15-1
ii gstreamer0.10-nice 0.0.10-2build1
ii gstreamer0.10-plugins-bad 0.10.18-1ubuntu1
ii gstreamer0.10-plugins-base 0.10.28-1
ii gstreamer0.10-plugins-base-apps 0.10.28-1
ii gstreamer0.10-plugins-good 0.10.21-1ubuntu2
ii gstreamer0.10-plugins-ugly 0.10.14-1
ii gstreamer0.10-pulseaudio 0.10.21-1ubuntu2
ii gstreamer0.10-tools 0.10.28-1
ii gstreamer0.10-x 0.10.28-1
ii libgstreamer-plugins-base0.10-0 0.10.28-1
ii libgstreamer0.10-0 0.10.28-1

ii ffmpeg 4:0.5.1-1ubuntu1
ii libavcodec-extra-52 4:0.5.1-1ubuntu1+medibuntu1
ii libavdevice-extra-52 4:0.5.1-1ubuntu1+medibuntu1
ii libavfilter-extra-0 4:0.5.1-1ubuntu1+medibuntu1
ii libavformat-extra-52 4:0.5.1-1ubuntu1+medibuntu1
ii libavutil-extra-49 4:0.5.1-1ubuntu1+medibuntu1
ii libpostproc-extra-51 4:0.5.1-1ubuntu1+medibuntu1
ii libswscale-extra-0 4:0.5.1-1ubuntu1+medibuntu1