diff options
Diffstat (limited to 'libavfilter/af_acrossover.c')
| -rw-r--r-- | libavfilter/af_acrossover.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libavfilter/af_acrossover.c b/libavfilter/af_acrossover.c index f70c50b3ed..002f378c3d 100644 --- a/libavfilter/af_acrossover.c +++ b/libavfilter/af_acrossover.c @@ -99,7 +99,10 @@ static av_cold int init(AVFilterContext *ctx) p = NULL; - av_sscanf(arg, "%f", &freq); + if (av_sscanf(arg, "%f", &freq) != 1) { + av_log(ctx, AV_LOG_ERROR, "Invalid syntax for frequency[%d].\n", i); + return AVERROR(EINVAL); + } if (freq <= 0) { av_log(ctx, AV_LOG_ERROR, "Frequency %f must be positive number.\n", freq); return AVERROR(EINVAL); |