From: Limin Wang <lance.lmw...@gmail.com>
Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
---
libavfilter/vf_mix.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libavfilter/vf_mix.c b/libavfilter/vf_mix.c
index 9e1ae79..9bb1b7a 100644
--- a/libavfilter/vf_mix.c
+++ b/libavfilter/vf_mix.c
@@ -108,7 +108,10 @@ static av_cold int init(AVFilterContext *ctx)
break;
p = NULL;
- av_sscanf(arg, "%f", &s->weights[i]);
+ if (av_sscanf(arg, "%f", &s->weights[i]) != 1) {
+ av_log(ctx, AV_LOG_ERROR, "Invalid syntax for weights[%d].\n", i);
+ return AVERROR(EINVAL);
+ }
s->wfactor += s->weights[i];
last = i;
}
--
2.9.5
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