Richard:

> I didn't get Rhythmbox to work for me (under VirtualBox - complained
> about missing Xv extension).  Songbird worked, but was very choppy.

Please run gstreamer-properties, go the "Video" tab and change "Plugin"
to "Autodetect".  That should fix this problem.

> But realplayer worked fine, at least as long as I didn't push the system
> too hard.

What happens if you run gst-launch directly?  You can refer ot the
manpage for gst-launch to see pipelines for common file types.

You should be able to run this command, for example, just replace
"musicfile" to the full path of the audio file.

gst-launch filesrc location=musicfile ! decodebin ! audioconvert ! 
sunaudiosink

If that works, but other programs are choppy, this could be caused by
the animated video eye-candy the player is trying to play when the
audio is playing.  On a slow CPU, the video may take up too much CPU.
Try going into the media player preferences and disabling the
"visualizer".  Does that help audio performance?

Brian

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