avfilter/af_arnndn: make sure that vad_output nb_neurons is always 1

diff --git a/libavfilter/af_arnndn.c b/libavfilter/af_arnndn.c
index 781d0dc9347a8b5d3ae818e929a5868edf80588a..7688b31b0c829b275269ba7129a8e6532c1f4c21 100644 (file)
--- a/libavfilter/af_arnndn.c
+++ b/libavfilter/af_arnndn.c
@@ -300,6 +300,11 @@ static RNNModel *rnnoise_model_from_file(FILE *f)
     INPUT_DENSE(denoise_output);
     INPUT_DENSE(vad_output);
 
+    if (vad_output->nb_neurons != 1) {
+        rnnoise_model_free(ret);
+        return NULL;
+    }
+
     return ret;
 }