From c5fd57f483d2ad8e34551b78509f1e14136f73c0 Mon Sep 17 00:00:00 2001 From: Dale Curtis Date: Tue, 28 Nov 2017 14:26:55 -0800 Subject: [PATCH] Don't manipulate duration when it's AV_NOPTS_VALUE. This leads to signed integer overflow. Signed-off-by: Dale Curtis Signed-off-by: James Almer --- libavformat/oggparsevp8.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/oggparsevp8.c b/libavformat/oggparsevp8.c index c534ab117d9..b76ac71cc50 100644 --- a/libavformat/oggparsevp8.c +++ b/libavformat/oggparsevp8.c @@ -125,7 +125,7 @@ static int vp8_packet(AVFormatContext *s, int idx) os->lastdts = vp8_gptopts(s, idx, os->granule, NULL) - duration; if(s->streams[idx]->start_time == AV_NOPTS_VALUE) { s->streams[idx]->start_time = os->lastpts; - if (s->streams[idx]->duration) + if (s->streams[idx]->duration && s->streams[idx]->duration != AV_NOPTS_VALUE) s->streams[idx]->duration -= s->streams[idx]->start_time; } } -- 2.39.2