On Mon, Aug 12, 2019 at 09:21:59PM +0200, Vittorio Giovara wrote:
> On Mon, Aug 12, 2019 at 9:19 PM Michael Niedermayer <mich...@niedermayer.cc>
> wrote:
> 
> > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
> > ---
> >  libavcodec/decode.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/libavcodec/decode.c b/libavcodec/decode.c
> > index 6c31166ec2..09a509d659 100644
> > --- a/libavcodec/decode.c
> > +++ b/libavcodec/decode.c
> > @@ -435,7 +435,7 @@ static int decode_simple_internal(AVCodecContext
> > *avctx, AVFrame *frame)
> >          if (!(avctx->codec->caps_internal & FF_CODEC_CAP_SETS_PKT_DTS))
> >              frame->pkt_dts = pkt->dts;
> >          if (avctx->codec->type == AVMEDIA_TYPE_VIDEO) {
> > -            if(!avctx->has_b_frames)
> > +            if(!avctx->has_b_frames && frame->pkt_pos < 0)
> >                  frame->pkt_pos = pkt->pos;
> >              //FIXME these should be under if(!avctx->has_b_frames)
> >              /* get_buffer is supposed to set frame parameters */
> > --
> >
> 
> sure but why?

the next 2 patches need this
[FFmpeg-devel] [PATCH 7/8] avcodec/qtrle: return last frame even if unchanged
[FFmpeg-devel] [PATCH 8/8] avcodec/nuv: Avoid duplicating frames

without it the common code overwrites the pkt_pos set by the decoder

thx

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

You can kill me, but you cannot change the truth.

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