[Libav-user] Generated H264 video is only 1 second long with only 1 frame shown (Probably a PTS/DTS problem)

[Charles]

On 09/21/2016 03:23 PM, M N wrote:
> Hi,
>so I guess it is a PTS problem. How do I set the PTS/DTS for a packet in H264?
[...]
>
>         //pktr->pts = av_rescale_q_rnd(pkts->pts, ps->streams[pkts->stream_index]->time_base, ps2->streams[pkts->stream_index]->time_base, AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX);
>         //pktr->dts = av_rescale_q_rnd(pkts->dts, ps->streams[pkts->stream_index]->time_base, ps2->streams[pkts->stream_index]->time_base, AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX);
>         //pktr->duration = av_rescale_q(pkts->duration, ps->streams[pkts->stream_index]->time_base, ps->streams[pkts->stream_index]->time_base);
>         //decoding
>         pktr->stream_index = pkts->stream_index;


If the parameters are right...

pktr == output packet
ps->streams[pkts->stream_index]->time_base == in stream
ps2->streams[ stream_index ]->time_base == out stream

    av_packet_rescale_ts( pktr, ps->streams[pkts->stream_index]->time_base, ps2->streams[ stream_index ]->time_base );

Thanks
cco