[FFmpeg-devel] [PATCH v1 3/3] avformat/movenc: replace the deprecated av_copy_packet_side_data
Limin Wang
lance.lmwang at gmail.com
Thu Sep 5 01:58:54 EEST 2019
On Wed, Sep 04, 2019 at 12:36:16PM -0300, James Almer wrote:
> On 9/4/2019 12:27 PM, lance.lmwang at gmail.com wrote:
> > From: Limin Wang <lance.lmwang at gmail.com>
> >
> > Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
> > ---
> > libavformat/movenc.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/libavformat/movenc.c b/libavformat/movenc.c
> > index edddfee..503f099 100644
> > --- a/libavformat/movenc.c
> > +++ b/libavformat/movenc.c
> > @@ -518,7 +518,7 @@ concatenate:
> > memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
> > info->num_blocks += num_blocks;
> > info->pkt.duration += pkt->duration;
> > - if ((ret = av_copy_packet_side_data(&info->pkt, pkt)) < 0)
> > + if ((ret = av_packet_copy_props(&info->pkt, pkt)) < 0)
>
> av_packet_copy_props() will overwrite almost every info->pkt field,
> which in this case will result in lost information. Just look at the
> line above accumulating packet durations before this call.
>
> I don't know what could be the cleanest solution for this. I suggested
> adding a replacement for av_copy_packet_side_data() using the
> av_packet_* namespace, but the idea was rejected.
I want to use the av_copy_packet_side_data() in other place, however it's deprecated.
By the log, it recomment to use av_packet_copy_props, but the function isn't replacement.
Or if add av_packet_copy_side_data() to replace, why it's rejected?
>
> > goto end;
> > if (info->num_blocks != 6)
> > goto end;
> >
>
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