[FFmpeg-devel] h264: Do not treat the initial frame special in handling of frame gaps

Michael Niedermayer michaelni at gmx.at
Thu Nov 14 20:18:35 CET 2013


Hi

On Thu, Nov 14, 2013 at 02:45:24PM +0100, Joakim Plate wrote:
> Michael Niedermayer <git <at> videolan.org> writes:
> 
> >
> > ffmpeg | branch: master | Michael Niedermayer <michaelni <at> gmx.at> |
> Thu Nov 14 11:27:45 2013 +0100|
> > [9e5ef1c5c37208326c59d642e2dc7afd3f10b09b] | committer: Michael
> Niedermayer
> >
> > h264: Do not treat the initial frame special in handling of frame gaps
> >
> > The not handling of frame gaps has lead to the lack of a dummy reference
> > frame, which has lead to the failure of decode_slice_header() which has
> > lead to one SEI recovery message being skiped which had introduced a
> > slightly suboptimal recovery point for at least 1 h264 file compared to
> > JM.
> >
> > Found-by: Carl & BugMaster
> > Signed-off-by: Michael Niedermayer <michaelni <at> gmx.at>
> >
> 
> So we reintroduce the issues fixed in
> https://github.com/FFmpeg/FFmpeg/commit/babf4fe01a808327d53977ba319c113a930180b1?
> 
> Maybe those issues have been fixed in some other fashion? The point was

I hope so
If not, please tell me, ill try to fix it ASAP in that case


> after seeks the display was corrupt for a much longer time than it should
> have based on the recovery information.
> 
> /Joakim
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-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Rewriting code that is poorly written but fully understood is good.
Rewriting code that one doesnt understand is a sign that one is less smart
then the original author, trying to rewrite it will not make it better.
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