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vf_noise: Fix av_lfg_get() maximum value

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Michael Niedermayer
2013-04-06 19:58:30 +02:00
parent 62447248f3
commit 28943c4d31
1 changed files with 2 additions and 2 deletions
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libavfilter/vf_noise.c
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@@ -126,8 +126,8 @@ static int init_noise(NoiseContext *n, int comp)
} else { } else {
double x1, x2, w, y1; double x1, x2, w, y1;
do { do {
x1 = 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)RAND_MAX - 1.0; x2 = 2.0 * av_lfg_get(lfg) / (float)UINT_MAX - 1.0;
w = x1 * x1 + x2 * x2; w = x1 * x1 + x2 * x2;
} while (w >= 1.0); } while (w >= 1.0);