From ee16e0cacc16ea60c35a66796410012755263c3c Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 5 Jan 2014 20:14:03 +0100 Subject: [PATCH] avfilter/vf_format: check that the format list is not empty Fixes Ticket3210 Signed-off-by: Michael Niedermayer --- libavfilter/vf_format.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavfilter/vf_format.c b/libavfilter/vf_format.c index 2e9ff27be7..98061e9153 100644 --- a/libavfilter/vf_format.c +++ b/libavfilter/vf_format.c @@ -55,6 +55,9 @@ static av_cold int init(AVFilterContext *ctx) int pix_fmt_name_len, ret; enum AVPixelFormat pix_fmt; + if (!s->pix_fmts) + return AVERROR(EINVAL); + /* parse the list of formats */ for (cur = s->pix_fmts; cur; cur = sep ? sep + 1 : NULL) { if (!(sep = strchr(cur, '|')))