From 951d39fecd1f6c6e7de63c5835e6776b0de27511 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 20 Feb 2013 12:34:05 +0100 Subject: [PATCH] avfilter: fix segfault with setsar/dar Reported-by: durandal_1707 Signed-off-by: Michael Niedermayer --- libavfilter/vf_aspect.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavfilter/vf_aspect.c b/libavfilter/vf_aspect.c index 7869d228eb..8e19162cd2 100644 --- a/libavfilter/vf_aspect.c +++ b/libavfilter/vf_aspect.c @@ -59,7 +59,7 @@ static av_cold int init(AVFilterContext *ctx, const char *args, const AVClass *c aspect->class = class; av_opt_set_defaults(aspect); - if (sscanf(args, "%d:%d%c", &q.num, &q.den, &c) == 2) { + if (args && sscanf(args, "%d:%d%c", &q.num, &q.den, &c) == 2) { aspect->ratio_str = av_strdup(args); av_log(ctx, AV_LOG_WARNING, "num:den syntax is deprecated, please use num/den or named options instead\n");