Hi.
> which works and then : mencoder -dvd 1 -oac copy -pass 1 -br=1100 -ovc 
> divx4 -divx4opts -o movie.avi
                  ^^^
                  
You're not giving any options for -divx4opts, which is why it
complains.
-- 
 ==> Ciao, Mosu (Moritz Bunkus)