[Ffmpeg-devel] cropping + rescaling broken?

Luca Abeni lucabe72
Tue Mar 7 12:14:45 CET 2006

Hi M?ns,

On Tue, 2006-03-07 at 10:54 +0000, M?ns Rullg?rd wrote:
> > Anyway, the result looks bogus again... But now I am beginning to
> > understand... I was expecting ffmpeg to rescale first and crop after
> > rescaling, but it looks like it does the opposite...
> Cropping is supposed to happen first.  After that, what remains should be
> scaled to the requested size.
Ok, thanks. At least now I know how things are supposed to work ;-)

> Think about common usage.  Typically, you
> know how much of the source you want to crop (e.g. black borders), and you
> know what final size you want.
Yes, this makes sense. So, I do not understand why cropping changes the
output size...

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