vf_noise: Fix av_lfg_get() maximum value

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago · 28943c4d31
parent 62447248f3
commit 28943c4d31
1 changed files with 2 additions and 2 deletions
--- a/libavfilter/vf_noise.c
+++ b/libavfilter/vf_noise.c
@ -126,8 +126,8 @@ static int init_noise(NoiseContext *n, int comp)
        } else {
            double x1, x2, w, y1;
            do {
-                x1 = 2.0 * av_lfg_get(lfg) / (float)RAND_MAX - 1.0;
-                x2 = 2.0 * av_lfg_get(lfg) / (float)RAND_MAX - 1.0;
+                x1 = 2.0 * av_lfg_get(lfg) / (float)UINT_MAX - 1.0;
+                x2 = 2.0 * av_lfg_get(lfg) / (float)UINT_MAX - 1.0;
                w = x1 * x1 + x2 * x2;
            } while (w >= 1.0);