From db13758b88384feb3f430d936a391af452f68313 Mon Sep 17 00:00:00 2001 From: Andreas Cadhalpun Date: Thu, 26 Nov 2015 01:15:28 +0100 Subject: [PATCH] avcodec: avoid division by zero in avcodec_string Actually time_base should not be 0/0, but the proper fix is part of commit 7ea1b34, which can't be backported, as it changes API. Signed-off-by: Andreas Cadhalpun --- libavcodec/utils.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/utils.c b/libavcodec/utils.c index 12cf577343..0901e75d85 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -2970,6 +2970,8 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode) } if (av_log_get_level() >= AV_LOG_DEBUG) { int g = av_gcd(enc->time_base.num, enc->time_base.den); + if (!g) + g = 1; snprintf(buf + strlen(buf), buf_size - strlen(buf), ", %d/%d", enc->time_base.num / g, enc->time_base.den / g);