diff options
-rw-r--r-- | postproc/swscale_template.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/postproc/swscale_template.c b/postproc/swscale_template.c index d7173b4fe1..3129c48369 100644 --- a/postproc/swscale_template.c +++ b/postproc/swscale_template.c @@ -1685,7 +1685,20 @@ static inline void RENAME(bgr16ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1 int i; for(i=0; i<width; i++) { -//FIXME optimize +#if 1 + int d0= le2me_32( ((uint32_t*)src1)[i] ); + int d1= le2me_32( ((uint32_t*)src2)[i] ); + + int dl= (d0&0x07E0F81F) + (d1&0x07E0F81F); + int dh= ((d0>>5)&0x07C0F83F) + ((d1>>5)&0x07C0F83F); + + int dh2= (dh>>11) + (dh<<21); + int d= dh2 + dl; + + int b= d&0x7F; + int r= (d>>11)&0x7F; + int g= d>>21; +#else int d0= src1[i*4] + (src1[i*4+1]<<8); int b0= d0&0x1F; int g0= (d0>>5)&0x3F; @@ -1709,7 +1722,7 @@ static inline void RENAME(bgr16ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1 int b= b0 + b1 + b2 + b3; int g= g0 + g1 + g2 + g3; int r= r0 + r1 + r2 + r3; - +#endif dstU[i]= ((2*RU*r + GU*g + 2*BU*b)>>(RGB2YUV_SHIFT+2-2)) + 128; dstV[i]= ((2*RV*r + GV*g + 2*BV*b)>>(RGB2YUV_SHIFT+2-2)) + 128; } |