From eff0bf7defdf36574ad6670643ee032099ec5b71 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 6 Oct 2013 00:07:28 +0200 Subject: [PATCH] avformat/matroskadec: only set r_frame_rate if the value is within reasonable limits Fixes Ticket2451 Signed-off-by: Michael Niedermayer (cherry picked from commit 6853e40106cac769f0641183ea0bdd530ae9a0a1) --- libavformat/matroskadec.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c index aea5fe44d8..f97e239a73 100644 --- a/libavformat/matroskadec.c +++ b/libavformat/matroskadec.c @@ -1781,7 +1781,8 @@ static int matroska_read_header(AVFormatContext *s) av_reduce(&st->avg_frame_rate.num, &st->avg_frame_rate.den, 1000000000, track->default_duration, 30000); #if FF_API_R_FRAME_RATE - st->r_frame_rate = st->avg_frame_rate; + if (st->avg_frame_rate.num < st->avg_frame_rate.den * 1000L) + st->r_frame_rate = st->avg_frame_rate; #endif }