[MPlayer-users] cropdetect filter crops too much

[Reimar Döffinger]

On Sun, Aug 18, 2013 at 11:28:40AM -0400, andrew at WARnux.com wrote:
> Has anyone else noticed that the cropdetect filter crops too much? I
> assume it's happening because it's trying to keep 16 pixel
> alignment, however, I would rather have small back bars than missing
> content.  In my opinion, cropdetect should crop as much as it can,
> without cropping content.  I don't have an example of this right
> now, but if you need one, I can get it.

That is just horrible for compression.
If you don't care about compression quality you can just skip cropping
completely.
For modern codecs like H.264 reducing the cropping to e.g. 4 should
work fairly well, too.