[MPlayer-users] cropping

Ville Saari 113762 at foo.bar.org
Mon Apr 26 01:53:25 CEST 2004

On Sun, Apr 25, 2004 at 08:30:21PM +0200, frytek wrote:

> i tried to crop it using a preview. the file i made can be played and looks 
> fine, but instead it can't be edited in avidemux. is there anything i should 
> know about? do i have too  keep certain proportions?

If you are not scaling, keep the crop x and y divisible by 4
and crop width and height divisible by 16.

If you are scaling after you crop, keep all the crop dimensions
divisible by 4 and scale to width and height divisible by 16.

The above rules should always work but in most cases they are
unnecessarily restrictive and can be somewhat relaxed. How, depends
on the source and destination formats.


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