avfilter/avf_showcwt: unbreak highest frequencies

The kernel was truncated too much.

1 files changed, 1 insertions, 1 deletions

diff --git a/libavfilter/avf_showcwt.c b/libavfilter/avf_showcwt.c
index 1bf874c97b..7a8c108906 100644
--- a/libavfilter/avf_showcwt.c
+++ b/libavfilter/avf_showcwt.c
@@ -631,7 +631,7 @@ static int compute_kernel(AVFilterContext *ctx)
 {
     ShowCWTContext *s = ctx->priv;
     const float correction = s->input_padding_size / (float)s->input_sample_count;
-    const int size = s->input_sample_count;
+    const int size = s->input_padding_size;
     const int output_sample_count = s->output_sample_count;
     const int fsize = s->frequency_band_count;
     int *kernel_start = s->kernel_start;