Found by ClusterFuzz, https://crbug.com/879852
From 68614e9a099ee4ae754da5fa36fbb6a570f4aa73 Mon Sep 17 00:00:00 2001 From: Dale Curtis <dalecur...@chromium.org> Date: Fri, 7 Sep 2018 15:37:09 -0700 Subject: [PATCH] Don't calculate duration using AV_NOPTS_VALUE for start_time.
Found by ClusterFuzz, https://crbug.com/879852 --- libavformat/utils.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/utils.c b/libavformat/utils.c index 15c0c4bddc..8e0bd5d697 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -3869,7 +3869,7 @@ FF_ENABLE_DEPRECATION_WARNINGS break; } if (pkt->duration) { - if (avctx->codec_type == AVMEDIA_TYPE_SUBTITLE && pkt->pts != AV_NOPTS_VALUE && pkt->pts >= st->start_time) { + if (avctx->codec_type == AVMEDIA_TYPE_SUBTITLE && pkt->pts != AV_NOPTS_VALUE && st->start_time != AV_NOPTS_VALUE && pkt->pts >= st->start_time) { st->info->codec_info_duration = FFMIN(pkt->pts - st->start_time, st->info->codec_info_duration + pkt->duration); } else st->info->codec_info_duration += pkt->duration; -- 2.19.0.rc2.392.g5ba43deb5a-goog
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