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-rw-r--r--libmpcodecs/vf_noise.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/libmpcodecs/vf_noise.c b/libmpcodecs/vf_noise.c
index 9a160e1bc5..3e5774ec33 100644
--- a/libmpcodecs/vf_noise.c
+++ b/libmpcodecs/vf_noise.c
@@ -193,13 +193,13 @@ static inline void lineNoise_C(uint8_t *dst, uint8_t *src, int8_t *noise, int le
/***************************************************************************/
static inline void lineNoiseAvg_C(uint8_t *dst, uint8_t *src, int len, int8_t **shift){
- int i, j, n;
+ int i;
+ int8_t *src2= (int8_t*)src;
for(i=0; i<len; i++)
{
- for(j=0,n=0;j<3;j++)
- n+=shift[j][i];
- dst[i]= src[i]+n*(128-abs(128-src[i]))/128;
+ const int n= shift[0][i] + shift[1][i] + shift[2][i];
+ dst[i]= src2[i]+((n*src2[i])>>7);
}
}