int av_write_frame(AVFormatContext *s, int stream_index, const uint8_t *buf, int size) { AVStream *st; int64_t pts_mask; int ret, frame_size; st = s->streams[stream_index]; pts_mask = (1LL << s->pts_wrap_bits) - 1; ret = s->oformat->write_packet(s, stream_index, buf, size, st->pts.val & pts_mask); if (ret < 0) return ret; /* update pts */ switch (st->codec.codec_type) { case CODEC_TYPE_AUDIO: frame_size = get_audio_frame_size(&st->codec, size); /* note, we skip the initial 0-size packets as they are most likely equal to the encoder delay, but it would be better if we had the real timestamps from the encoder */ // av_log(s, AV_LOG_DEBUG, "%d %lld %lld\n", size, st->pts.num, st->pts.val); if (frame_size >= 0 && (size || st->pts.num!=st->pts.den>>1 || st->pts.val)) { av_frac_add(&st->pts, (int64_t)s->pts_den * frame_size); } break; case CODEC_TYPE_VIDEO: av_frac_add(&st->pts, (int64_t)s->pts_den * st->codec.frame_rate_base); break; default: break; } return ret; }