AC3 pass-through

Hi everybody!

I'm using dvd::rip 0.98.11 with Ubuntu 10.04 and I was trying to rip a 
DVD with the original AC3 audio track to be used in the final xvid. So I 
tried this, with the english audio track (track0) and choose discard for 
all other tracks. This works fine, but as soon as I choose another audio 
track for the final avi, dvd::rip freezes for about a minute and I 
receive a finished message in the log. The resulting avi has a size of 0 
KB, because it never really started. When I use mp3 encoding it works 
with all audio tracks and a get a result. Want can i do wrong or maybe 
it is a bug in dvd::rip/transcode?

Best Regards,
Volker