[FFmpeg-devel] video corruption using h264 hw decoders

[Michael Niedermayer]

On Sat, Nov 26, 2011 at 12:30:37PM +0100, Joakim Plate wrote:
> On Wed, 23 Nov 2011 14:26:59 +0100, Michael Niedermayer wrote:
> 
> > On Sun, Nov 06, 2011 at 01:24:59AM +0100, Joakim Plate wrote:
> >> [24 quoted lines suppressed]
> > 
> > this patch causes an interresting issue.
> > when the decoder is closed and opened again the
> > avcodec_set_dimensions() calls in avcodec_open2() change the width
> > which ends up causing ffprobe and ffmpeg to print differing widths
> > for  http://panda-test-harness-videos.s3.amazonaws.com/panda.mp4
> > 
> > 
> > [... ]
> 
> Didn't test the sample, but I'd assume it would happen if you reopen the
> codec without decoding anything. As soon as you decode, it should correct
> itself i think.
> 
> Not sure how one would avoid that. But not calling set_dimensions on open
> without decoding is probably the only way.

yes, i havnt found anything better either, ill commit that solution
thus

Thanks
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

In a rich man's house there is no place to spit but his face.
-- Diogenes of Sinope
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