[MPlayer-users] Question about crop, scale, aspect ratio, multiple of 16

[RC]

On Sat, 18 Dec 2004 14:47:19 -0500
D Richard Felker III <dalias at aerifal.cx> wrote:

> not any. they must be multiples of 2, and if the content is
> interlaced/telecined at the time you crop, the vertical crop offset
> and size must be multiples of 4!

You're right...  not *any*...  It also won't work if you use crop
dimentions larger than the videosize, or offsets larger than the area
you've cropped...