set input="input.avi"
mencoder %input% -o output.flv -audio-delay 0.2 -noskip -mc 0 -of lavf -oac mp3lame -lameopts abr:br=32 -ovc lavc -lavcopts vcodec=flv:vbitrate=400:mbd=2:mv0:trell:v4mv:cbp:last_pred=3 -vf scale=320:240,harddup -srate 11025