mencoder /home/poison/files/2.mpg -o outputfile.mov -oac pcm -ovc lavc -lavcopts vcodec=mjpeg -ffourcc mjpa -vf format=422p,scale=220:176,rotate=1 -ofps 12 -of lavf -lavfopts i_certify_that_my_video_stream_does_not_use_b_frames