[iPod-mpeg4]
profile-desc="mpeg4 encoding for iPods"
vf=scale=320:-2,pp=ac,harddup
oac=faac=yes
ovc=lavc=yes
lavcopts=vcodec=mpeg4:vbitrate=384:mbd=2:trell=yes:v4mv=yes:aic=yes:cmp=2:subcmp=2