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-rw-r--r--libswscale/swscale_template.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/libswscale/swscale_template.c b/libswscale/swscale_template.c
index 21fb4e8f16..8cd51e94d2 100644
--- a/libswscale/swscale_template.c
+++ b/libswscale/swscale_template.c
@@ -2229,13 +2229,10 @@ static inline void RENAME(rgb16ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1
int d0= ((uint32_t*)src1)[i];
int dl= (d0&0x07E0F81F);
- int dh= ((d0>>5)&0x07C0F83F);
+ int d= dl + (((d0>>16) + (d0<<16))&0x07E0F81F);
- int dh2= (dh>>11) + (dh<<21);
- int d= dh2 + dl;
-
- int r= d&0x7F;
- int b= (d>>11)&0x7F;
+ int r= d&0x3F;
+ int b= (d>>11)&0x3F;
int g= d>>21;
dstU[i]= ((2*RU*r + GU*g + 2*BU*b)>>(RGB2YUV_SHIFT+1-2)) + 128;
dstV[i]= ((2*RV*r + GV*g + 2*BV*b)>>(RGB2YUV_SHIFT+1-2)) + 128;