mencoder $IFILE -o $OFILE \
	-vf pp=fd/ac,scale=$HSIZE:-10,harddup \
	-of lavf -lavfopts format=mp4:i_certify_that_my_video_stream_does_not_use_b_frames \
	-oac faac -faacopts br=$ABITR:mpeg=4:tns=yes \
	-ovc lavc -lavcopts vcodec=mpeg4:vbitrate=$VBITR:vrc_buf_size=4096:vrc_eq=tex:vrc_maxrate=2000:mbd=2:trell:v4mv:aic:cmp=2:subcmp=2