Index: libmpcodecs/vf_noise.c
--- libmpcodecs/vf_noise.c.orig
+++ libmpcodecs/vf_noise.c
@@ -85,7 +85,7 @@ static int8_t *initNoise(FilterParam *fp){
         int8_t *noise= av_malloc(MAX_NOISE*sizeof(int8_t));
         int i, j;
 
-        srand(123457);
+        srand_deterministic(123457);
 
         for(i=0,j=0; i<MAX_NOISE; i++,j++)
         {