[FFmpeg-devel] [PATCH] mov: Set negative Sample_duration in STTS to 1

Michael Niedermayer michaelni at gmx.at
Sat Aug 13 03:40:30 CEST 2011


On Fri, Aug 12, 2011 at 06:14:42PM -0700, Baptiste Coudurier wrote:
> On 08/12/2011 04:27 PM, Thierry Foucu wrote:
> > ---
> >  libavformat/mov.c |    5 +++++
> >  1 files changed, 5 insertions(+), 0 deletions(-)
> > 
> > diff --git a/libavformat/mov.c b/libavformat/mov.c
> > index fdb29a0..96a9928 100644
> > --- a/libavformat/mov.c
> > +++ b/libavformat/mov.c
> > @@ -1471,6 +1471,11 @@ static int mov_read_stts(MOVContext *c, AVIOContext *pb, MOVAtom atom)
> >  
> >          sample_count=avio_rb32(pb);
> >          sample_duration = avio_rb32(pb);
> > +        /* sample_duration < 0 is invalid based on the spec */
> > +        if (sample_duration < 0) {
> > +            av_log(c->fc, AV_LOG_ERROR, "Invalid SampleDelta in STTS %d", sample_duration);
> > +            sample_duration = 1;
> > +        }
> >          sc->stts_data[i].count= sample_count;
> >          sc->stts_data[i].duration= sample_duration;
> >  
> 
> Looks good.

applied, will push when tests pass

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