On Tue, 8 Jul 2008 19:10:28 +0200 Malte Gell <malte.gell at gmx.de> wrote: > -vf kerndeint,scale=683:384,expand=683:512 Using dimentions that aren't multiples of 16 (and aren't even divisible by 2!) is sure to cause numerous problems as well as exposing bugs in lots of video software.