[FFmpeg-user] Decode to BGR24 avi

Carl Eugen Hoyos cehoyos at ag.or.at
Fri Mar 27 09:26:21 CET 2015

Timo S <timo.infradex <at> gmail.com> writes:

> This is a rather old discussion, but I've found 
> the explanation. Bad PSNR values were produced 
> because the avi content was upside down.

In your original email, you wrote that PSNR was ok 
if the first (duplicated) frame was removed iirc.

> That was of course not apparent by looking at the 
> clips on WMP or the likes.

> They know it is AVI that should be flipped 
> because of some AVI header directive. VirtualDub 
> produces a different version on AVI.

Could you elaborate on "different version"?

Carl Eugen

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