Encode png image sequences into high quality with two passes
mencoder -mc 0 -noskip -skiplimit 0 -ovc lavc -lavcopts vcodec=mpeg4:vhq:trell:mbd=2:vmax_b_frames=1:v4mv:vb_strategy=0:vlelim=0:vcelim=0:cmp=6:subcmp=6:precmp=6:predia=3:dia=3:vme=4:vqscale=1:vbitrate=600:vpass=1 "mf://*.png" type=png:fps=24 -o /dev/null
mencoder -mc 0 -noskip -skiplimit 0 -ovc lavc -lavcopts
vcodec=mpeg4:vhq:trell:mbd=2:vmax_b_frames=1:v4mv:vb_strategy=0:vlelim=0:vcelim=0:cmp=6:subcmp=6:precmp=6:predia=3:dia=3:vme=4:vqscale=1:vbitrate=600:vpass=2
"mf://*.png" type=png:fps=24 -o output.avi
