1 files changed, 7 insertions, 2 deletions
diff --git a/libavcodec/rangecoder.c b/libavcodec/rangecoder.c
index 3c3220da27..c9848e8875 100644
--- a/libavcodec/rangecoder.c
+++ b/libavcodec/rangecoder.c
@@ -111,13 +111,18 @@ int ff_rac_terminate(RangeCoder *c){
 
 #ifdef TEST
 #define SIZE 10240
-#undef random
+
+#include "libavutil/lfg.h"
+
 int main(void){
     RangeCoder c;
     uint8_t b[9*SIZE];
     uint8_t r[9*SIZE];
     int i;
     uint8_t state[10]= {0};
+    AVLFG prn;
+
+    av_lfg_init(&prn, 1);
 
     ff_init_range_encoder(&c, b, SIZE);
     ff_build_rac_states(&c, 0.05*(1LL<<32), 128+64+32+16);
@@ -125,7 +130,7 @@ int main(void){
     memset(state, 128, sizeof(state));
 
     for(i=0; i<SIZE; i++){
-        r[i]= random()%7;
+        r[i] = av_lfg_get(&prn) % 7;
     }
 
     for(i=0; i<SIZE; i++){