From: Limin Wang <lance.lmw...@gmail.com>
Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
---
libavfilter/af_adelay.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libavfilter/af_adelay.c b/libavfilter/af_adelay.c
index c964777..2bb05e7 100644
--- a/libavfilter/af_adelay.c
+++ b/libavfilter/af_adelay.c
@@ -155,7 +155,10 @@ 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) {
+ av_log(ctx, AV_LOG_ERROR, "Invalid syntax.\n");
+ return AVERROR(EINVAL);
+ }
d->delay = delay * inlink->sample_rate / div;
}
--
2.9.5
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