[FFmpeg-devel] [PATCH] CrystalHD: Add auto-detection of packed b-frame bug.

Philip Langdale philipl at overt.org
Sat Apr 30 00:00:02 CEST 2011


On Fri, 29 Apr 2011 22:16:44 +0200
Michael Niedermayer <michaelni at gmx.at> wrote:

> On Thu, Apr 28, 2011 at 07:33:08PM -0700, Philip Langdale wrote:
> > I still don't fully understand the cause but the difference between
> > the samples that trigger the bug and the samples that don't is
> > that the former uses delay frames and the later uses drop frames
> > as placeholders for the packed frame. So, if we see the one type
> > of frame, we can assume the bug will or won't be present.
> 
> maybe the user data "xvid / divx + version number" could be usefull

Maybe you missed my earlier email - I did a binary diff on the two
files and there was no difference except in these frames.
 
> anyway if this patch improves things its ok of course

Thanks,

--phil
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