note it'll cause a small difference in accuracy for the pts, please see the testing result below:
$ wget http://samples.ffmpeg.org/archive/all/unknown+unknown+unknown+unknown+5029_paramount_en_1250.viv
$ ./ffmpeg -t 0.04 -i ./unknown+unknown+unknown+unknown+5029_paramount_en_1250.viv -f null -
old:
pts: 522
pts: 1044
pts: 1567
pts: 3918
pts: 8097
pts: 12277
pts: 16457
...
new:
pts: 522
pts: 1045
pts: 1567
pts: 3918
pts: 8098
pts: 12278
pts: 16457
...
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
pkt->stream_index = 1;
astream = s->streams[pkt->stream_index];
- pkt->pts = av_rescale(viv->audio_sample, astream->time_base.den, astream->time_base.num) / astream->codecpar->sample_rate;
+ pkt->pts = av_rescale_q(viv->audio_sample, av_make_q(1, astream->codecpar->sample_rate), astream->time_base);
viv->audio_sample += viv->audio_subpackets[viv->current_audio_subpacket].pcm_bytes / 2 / astream->codecpar->channels;
pkt->flags |= AV_PKT_FLAG_KEY;
viv->current_audio_subpacket++;