On Mon, 06 Feb 2012 11:06:40 +0100, Anton Khirnov <[email protected]> wrote:
> 
> On Tue, 10 Jan 2012 11:24:11 +0000, Måns Rullgård <[email protected]> wrote:
> > Anton Khirnov <[email protected]> writes:
> > 
> > > It is not supposed to be done outside lavc.
> > >
> > > This is basically a revert of 818062f2f346df30f4ec0c0c1f54e8025cc3a80a.
> > >
> > > It is unclear what issue this was supposed to fix, if it reappears again
> > > it will have to be fixed in a more proper place.
> > > ---
> > >  libavformat/utils.c |    4 ----
> > >  1 files changed, 0 insertions(+), 4 deletions(-)
> > >
> > > diff --git a/libavformat/utils.c b/libavformat/utils.c
> > > index a796658..6424eec 100644
> > > --- a/libavformat/utils.c
> > > +++ b/libavformat/utils.c
> > > @@ -961,10 +961,6 @@ static void compute_pkt_fields(AVFormatContext *s, 
> > > AVStream *st,
> > >      if((s->flags & AVFMT_FLAG_IGNDTS) && pkt->pts != AV_NOPTS_VALUE)
> > >          pkt->dts= AV_NOPTS_VALUE;
> > >
> > > -    if (st->codec->codec_id != CODEC_ID_H264 && pc && pc->pict_type == 
> > > AV_PICTURE_TYPE_B)
> > > -        //FIXME Set low_delay = 0 when has_b_frames = 1
> > > -        st->codec->has_b_frames = 1;
> > > -
> > >      /* do we have a video B-frame ? */
> > >      delay= st->codec->has_b_frames;
> > >      presentation_delayed = 0;
> > > -- 
> > 
> > Seems OK.  I trust you ran fate without issues.
> > 
> 
> I still didn't push this because it breaks the recently added wtv-demux
> test. In it, the input contains mpeg2 video that apparrently starts with
> a B-frame. After this patch, has_b_frames isn't set until a few frames
> later and compute_pkt_fields() random generator produces a different dts
> for the first frame.
> 
> Do we care? Should the parser set has_b_frames immediately when it sees
> a B-frame? Or shall I push it as is?
> 

ping

-- 
Anton Khirnov
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