From a202541f9b4da3e489716198dd3547ec7f73ef1d Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 12 Dec 2012 00:11:15 +0100 Subject: [PATCH] cafdec: Check duration before use. Fix division by 0 Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer --- libavformat/cafdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/cafdec.c b/libavformat/cafdec.c index 718942bd8a7..f12226a8f53 100644 --- a/libavformat/cafdec.c +++ b/libavformat/cafdec.c @@ -312,7 +312,7 @@ static int read_header(AVFormatContext *s) if (caf->bytes_per_packet > 0 && caf->frames_per_packet > 0) { if (caf->data_size > 0) st->nb_frames = (caf->data_size / caf->bytes_per_packet) * caf->frames_per_packet; - } else if (st->nb_index_entries) { + } else if (st->nb_index_entries && st->duration > 0) { st->codec->bit_rate = st->codec->sample_rate * caf->data_size * 8 / st->duration; } else { -- 2.39.2