#mencoder dvd://1 -ovc xvid -xvidencopts pass=1 -alang jp,en -oac mp3lame -lameopts vbr=3 -o frameno.avi -ss 2818 -endpos 32
mencoder dvd://1 -ovc xvid -xvidencopts pass=1 -alang jp,en -oac mp3lame -lameopts vbr=3 -o frameno.avi
mencoder dvd://1 -ovc xvid -xvidencopts pass=2 -alang jp,en -oac mp3lame -lameopts vbr=3 -o movie.avi

#another way to do it?
#mencoder -ovc frameno -o frameno.avi -oac mp3lame -lameopts preset=standard dvd://1
#mencoder -o movie.avi -oac copy -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=670:vhq:vpass=1 -vop scale=512:288 dvd://1