On Fri, 2009-09-11 at 09:16 +0100, Owen Williams wrote: > > The -vf yadif,expand=::0:0::4/3,scale=640:480,harddup", magic worked > too. I'm not sure if it the expected behavior but 16/9 frames were > rendered at the top of the 4/3 frame. My mistake = :0:0: would put the image at the top. That's why the expand=aspect=4/3 is better. Owen.