[FFmpeg-devel] [PATCH/WIP] lavf/gif: fix timing.

[Clément Bœsch]

On Fri, Apr 19, 2013 at 12:10:45AM +0000, Paul B Mahol wrote:
> On 4/18/13, Clement Boesch <ubitux at gmail.com> wrote:
> > On Thu, Apr 18, 2013 at 03:14:43PM +0200, Clement Boesch wrote:
> >> ---
> >> Delay between frames in GIF are expressed in ms, or 1/100.
> >> Unfortunately, I need to use 1/1000 and rescale manually the
> >> pkt->duration because they are otherwise incorrect: using
> >> avpriv_set_pts_info(..., 1, 100) leads to pkt->duration=1 for any rate.
> >>
> >> Can be reproduced with -f lavfi testsrc=r={1,10,30,100...} or -r option
> >> with a random input.
> >>
> >> Any idea what could cause this?
> >>
> >> Note: patch as WIP for this reason and the required FATE update.
> >
> >   19:33:53 < michaelni> ubitux, iam not sure your use of duration in the
> > muxer is a good idea
> >   19:34:15 < michaelni> currently its set from ff_compute_frame_duration()
> >   19:34:52 < michaelni> so its not the actual durations just values based on
> > frame rate
> >
> > So delay is now done with just pkt->pts diff.
> >
> > I'll apply this patch on top of the gif FATE test patch, so FATE unchanged
> > in the current version.
> >
> > --
> > Clement B.
> >
> 
> looks fine

Applied, thanks.

-- 
Clément B.
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