copying audio from dvds
 

i have a dvd reader (not burner) on my ubuntu pc. i want to copy all the cool theme songs from dvds that i own. i have tried to use vsound (http://www.zorg.org/vsound/index.shtml) to no avail. it gives me an error that looks like this:

Missing file ./vsound14408.au.
This means that the libvsound wrapper did not work correctlty.
Here are some the possible reasons :
- You are trying to record a stream (RTSP or PNM protocol) from
the internet. You will need to use the --timing option.
- The program you are trying to run is setuid. You will need to
run vsound as root.
- Vsound was not properly installed and hence won't work at all.

i am obviously not recording a stream from the net (although vsound works perfectly in that situation), running as root changes nothing, and i have gotten vsound to work before. i'm not aware of any other program that will capture audio from a dvd and i don't want to spend money on a cord to do it manually. if anyone could either tell me what i'm doing wrong with vsound or tell me of another program to do that job.

mencoder and mplayer don't work on my computer.

i now have a dvd burner, if that helps the situation.