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authorMichael Niedermayer <michaelni@gmx.at>2002-02-08 01:24:02 +0000
committerMichael Niedermayer <michaelni@gmx.at>2002-02-08 01:24:02 +0000
commit5bb9d9d8e84c5b5b78c8e50dc2005c8ce1cf7608 (patch)
tree8e6bc77ab19bd41090f489a58eeb3331f30294ab /postproc
parent6af250ea5c053ad19427e4848a71c1838f676088 (diff)
downloadffmpeg-5bb9d9d8e84c5b5b78c8e50dc2005c8ce1cf7608.tar.gz
faster bgr16 input
Originally committed as revision 4580 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
Diffstat (limited to 'postproc')
-rw-r--r--postproc/swscale_template.c17
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;
}