[MEncoder-users] mencoder output

RC rcooley at spamcop.net
Wed Mar 8 21:10:00 CET 2006

On Wed, 8 Mar 2006 16:44:54 +0100
Marco <brbromo at gmail.com> wrote:

> Cropping is made on the sampled image, not on the
> scaled-to-correct-aspect-ratio image, right?

They're the same image.  MPlayer/mencoder never actually upscales to
match the aspect ratio, unless you specifically tell them to do so.  

> So what's the reason of this prescaling? Who needs the
> scaled-to-correct-aspect-ratio image?

Nothing needs the scaled image, but several filters (and codecs) need to
know the scaled dimentions.

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