Remember to use vhq setting ok

* Encode From DVD

 rm frameno.avi # remove this file, which can come from a previous 3-pass encoding (it interferes with current one)
 mencoder dvd://5 -vop pp=lb -ovc lavc -lavcopts vcodec=mpeg4:vpass=1 -oac copy -o movie.avi
 mencoder dvd://5 -vop pp=lb -ovc lavc -lavcopts vcodec=mpeg4:vpass=2 -oac copy -o  movie.avi


* Split a  Movie
 
 mencoder -ovc copy -oac copy -endpos 2766  -o say_anything-part1.avi  say_anything.avi
 mencoder -ovc copy -oac copy -ss 2766 -o say_anything-part2.avi say_anything.avi

* Encode from files

 mencoder  -ovc lavc -lavcopts vcodec=mpeg4:autoaspect \
 -vf crop=640:480:0:0 -o movie1.avi \
 -mf w=640:h=480:fps=25:type=png \
 "mf://movie1.resized/*.png"