mencoder -oac lavc -ovc lavc -of mpeg -mpegopts format=dvd:tsaf -vf harddup -srate 48000 -af lavcresample=48000 -lavcopts vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=9800:vbitrate=5000:keyint=15:vstrict=0:acodec=mp2:abitrate=256:aspect=16/9 -ofps 25 -o movie_out.mpg movie_in.avi