From 80b6b31417c6791f9d4f1bc8c3c2a726d71e45e0 Mon Sep 17 00:00:00 2001 From: Janne Grunau Date: Fri, 23 Nov 2012 16:33:36 +0100 Subject: [PATCH] mov: compute avg_frame_rate only if duration is known Fixes an assert in fuzzed sample sample.mp4_s265930. --- libavformat/mov.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/libavformat/mov.c b/libavformat/mov.c index c6ff84bbcd..a0ede86882 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -2052,8 +2052,9 @@ static int mov_read_trak(MOVContext *c, AVIOContext *pb, MOVAtom atom) ((double)st->codec->width * sc->height), INT_MAX); } - av_reduce(&st->avg_frame_rate.num, &st->avg_frame_rate.den, - sc->time_scale*st->nb_frames, st->duration, INT_MAX); + if (st->duration != AV_NOPTS_VALUE) + av_reduce(&st->avg_frame_rate.num, &st->avg_frame_rate.den, + sc->time_scale*st->nb_frames, st->duration, INT_MAX); #if FF_API_R_FRAME_RATE if (sc->stts_count == 1 || (sc->stts_count == 2 && sc->stts_data[1].count == 1))