Michael Niedermayer <[email protected]> added the comment:

On Tue, Oct 20, 2009 at 02:54:41AM +0000, Vitor wrote:
> Attached is a patch that looks correct to me, but ffmpeg still crashes when 
> not
> doing resampling.

after RTFS, your patch looks VERY wrong, h261 already contains code
to update AVCodecContext correctly while you duplicate that in a
possibly exploitable way and at the totally wrong place, not
freeing pictures or reinitializing.

> 
> Reimar tried to fix exactly this same problem earlier but gave up at some 
> point.
> The explanation of why the crashes happens is in the thread he started:
> http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2009-July/072323.html

so does it work with rescaling? if so there is no bug in h261*.c

[...]

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