609     s->duration = s->start_time = AV_NOPTS_VALUE;  in avformat_open_input()
909             if (!is_relative(st->start_time))  in ff_read_packet()
910                 st->start_time = wrap_timestamp(st, st->start_time);  in ff_read_packet()
1166         if (st->start_time == AV_NOPTS_VALUE && pktl_it->pkt.pts != AV_NOPTS_VALUE) {  in update_initial_timestamps()
1167             st->start_time = pktl_it->pkt.pts;  in update_initial_timestamps()
1169 …st->start_time += av_rescale_q(st->skip_samples, (AVRational){1, st->codecpar->sample_rate}, st->t…  in update_initial_timestamps()
1177     if (st->start_time == AV_NOPTS_VALUE) {  in update_initial_timestamps()
1179             st->start_time = pts;  in update_initial_timestamps()
1182 …st->start_time += av_rescale_q(st->skip_samples, (AVRational){1, st->codecpar->sample_rate}, st->t…  in update_initial_timestamps()
2646     int64_t start_time, start_time1, start_time_text, end_time, end_time1, end_time_text;  in update_stream_timings()  local
2651     start_time = INT64_MAX;  in update_stream_timings()
2662         if (st->start_time != AV_NOPTS_VALUE && st->time_base.den) {  in update_stream_timings()
2663             start_time1 = av_rescale_q(st->start_time, st->time_base,  in update_stream_timings()
2668                 start_time = FFMIN(start_time, start_time1);  in update_stream_timings()
2680                 if (p->start_time == AV_NOPTS_VALUE || p->start_time > start_time1)  in update_stream_timings()
2681                     p->start_time = start_time1;  in update_stream_timings()
2695 …if (start_time == INT64_MAX || (start_time > start_time_text && start_time - (uint64_t)start_time_…  in update_stream_timings()
2696         start_time = start_time_text;  in update_stream_timings()
2697     else if (start_time > start_time_text)  in update_stream_timings()
2710     if (start_time != INT64_MAX) {  in update_stream_timings()
2711         ic->start_time = start_time;  in update_stream_timings()
2716                     if (p->start_time != AV_NOPTS_VALUE &&  in update_stream_timings()
2717                         p->end_time > p->start_time &&  in update_stream_timings()
2718                         p->end_time - (uint64_t)p->start_time <= INT64_MAX)  in update_stream_timings()
2719                         duration = FFMAX(duration, p->end_time - p->start_time);  in update_stream_timings()
2721             } else if (end_time >= start_time && end_time - (uint64_t)start_time <= INT64_MAX) {  in update_stream_timings()
2722                 duration = FFMAX(duration, end_time - start_time);  in update_stream_timings()
2746         if (st->start_time == AV_NOPTS_VALUE) {  in fill_all_stream_timings()
2747             if (ic->start_time != AV_NOPTS_VALUE)  in fill_all_stream_timings()
2748                 st->start_time = av_rescale_q(ic->start_time, AV_TIME_BASE_Q,  in fill_all_stream_timings()
2829         if (st->start_time == AV_NOPTS_VALUE &&  in estimate_timings_from_pts()
2870                 (st->start_time != AV_NOPTS_VALUE ||  in estimate_timings_from_pts()
2883                 if (st->start_time != AV_NOPTS_VALUE)  in estimate_timings_from_pts()
2884                     duration -= st->start_time;  in estimate_timings_from_pts()
2923                 if (st->start_time != AV_NOPTS_VALUE || st->first_dts  != AV_NOPTS_VALUE) {  in estimate_timings_from_pts()
2999                        (double) st->start_time * av_q2d(st->time_base),  in estimate_timings()
3004                 (double) ic->start_time / AV_TIME_BASE,  in estimate_timings()
3269     if (s->duration > 0 && s->start_time < INT64_MAX - s->duration)  in compute_chapters_end()
3271                        ((s->start_time == AV_NOPTS_VALUE) ? 0 : s->start_time);  in compute_chapters_end()
3919 …_SUBTITLE && pkt->pts != AV_NOPTS_VALUE && st->start_time != AV_NOPTS_VALUE && pkt->pts >= st->sta…  in avformat_find_stream_info()
3920 …st->info->codec_info_duration = FFMIN(pkt->pts - st->start_time, st->info->codec_info_duration + p…  in avformat_find_stream_info()
4581     st->start_time = AV_NOPTS_VALUE;  in avformat_new_stream()
4635     program->start_time =  in av_new_program()