From: Limin Wang <[email protected]>
Signed-off-by: Limin Wang <[email protected]>
---
libavfilter/af_adelay.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavfilter/af_adelay.c b/libavfilter/af_adelay.c
index c9647771f2..7f498ba190 100644
--- a/libavfilter/af_adelay.c
+++ b/libavfilter/af_adelay.c
@@ -155,7 +155,8 @@ static int config_input(AVFilterLink *inlink)
ret = av_sscanf(arg, "%d%c", &d->delay, &type);
if (ret != 2 || type != 'S') {
div = type == 's' ? 1.0 : 1000.0;
- av_sscanf(arg, "%f", &delay);
+ if (av_sscanf(arg, "%f", &delay) != 1)
+ return AVERROR(EINVAL);
d->delay = delay * inlink->sample_rate / div;
}
--
2.21.0
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