diff options
Diffstat (limited to 'libavformat/utils.c')
| -rw-r--r-- | libavformat/utils.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libavformat/utils.c b/libavformat/utils.c index 9dab4fc96f..fb3299503e 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -3864,8 +3864,10 @@ FF_ENABLE_DEPRECATION_WARNINGS if ( t == 0 && st->codec_info_nb_frames>30 && st->internal->info->fps_first_dts != AV_NOPTS_VALUE - && st->internal->info->fps_last_dts != AV_NOPTS_VALUE) - t = FFMAX(t, av_rescale_q(st->internal->info->fps_last_dts - st->internal->info->fps_first_dts, st->time_base, AV_TIME_BASE_Q)); + && st->internal->info->fps_last_dts != AV_NOPTS_VALUE) { + int64_t dur = av_sat_sub64(st->internal->info->fps_last_dts, st->internal->info->fps_first_dts); + t = FFMAX(t, av_rescale_q(dur, st->time_base, AV_TIME_BASE_Q)); + } if (analyzed_all_streams) limit = max_analyze_duration; else if (avctx->codec_type == AVMEDIA_TYPE_SUBTITLE) limit = max_subtitle_analyze_duration; |