rm -f frameno.avi lavc_stats.txt
mencoder -dvd 2 -ovc frameno (audio-options) -o frameno.avi
mencoder -dvd 2 -ovc lavc -lacvopts vpass=1 -oac copy -o movie.avi
mencoder -dvd 2 -ovc lavc -lacvopts vpass=2 -oac copy -o movie.avi
(audio-options), in my case are:
-oac mp3lame -lameopts vbr=2:q=7:mode=1
Joint-stereo, and about 100kbps VBR MP3.
Greetings,
Julian