On Sat, Mar 28, 2020 at 08:17:33AM +0800, lance.lmw...@gmail.com wrote:
> 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"); I suggest to print the part of the string that is invalid. This would make it easier to the user to know where the error is thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB No human being will ever know the Truth, for even if they happen to say it by chance, they would not even known they had done so. -- Xenophanes
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