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Factorize rgb/bgr15/16/32->Y by using the preprocessor. 

Originally committed as revision 27565 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Michael Niedermayer 2008-09-10 03:42:45 +00:00
parent 2f60f6297c
commit 214892ee42
1 changed files with 20 additions and 81 deletions
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101
libswscale/swscale_template.c
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@ -1843,19 +1843,28 @@ static inline void RENAME(uyvyToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1,
assert(src1 == src2);
}
static inline void RENAME(bgr32ToY)(uint8_t *dst, uint8_t *src, long width)
{
int i;
for (i=0; i<width; i++)
{
int b= ((uint32_t*)src)[i]&0xFF;
int g= (((uint32_t*)src)[i]>>8)&0xFF;
int r= (((uint32_t*)src)[i]>>16)&0xFF;
dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
}
#define BGR2Y(type, name, shr, shg, shb, maskr, maskg, maskb, RY, GY, BY, S)\
static inline void RENAME(name)(uint8_t *dst, uint8_t *src, long width)\
{\
int i;\
for (i=0; i<width; i++)\
{\
int b= (((type*)src)[i]>>shb)&maskb;\
int g= (((type*)src)[i]>>shg)&maskg;\
int r= (((type*)src)[i]>>shr)&maskr;\
\
dst[i]= (((RY)*r + (GY)*g + (BY)*b + (33<<((S)-1)))>>(S));\
}\
}
BGR2Y(uint32_t, bgr32ToY,16, 0, 0, 0x00FF, 0xFF00, 0x00FF, RY<< 8, GY , BY<< 8, RGB2YUV_SHIFT+8)
BGR2Y(uint32_t, rgb32ToY, 0, 0,16, 0x00FF, 0xFF00, 0x00FF, RY<< 8, GY , BY<< 8, RGB2YUV_SHIFT+8)
BGR2Y(uint16_t, bgr16ToY, 0, 0, 0, 0x001F, 0x07E0, 0xF800, RY<<11, GY<<5, BY , RGB2YUV_SHIFT+8)
BGR2Y(uint16_t, bgr15ToY, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RY<<10, GY<<5, BY , RGB2YUV_SHIFT+7)
BGR2Y(uint16_t, rgb16ToY, 0, 0, 0, 0xF800, 0x07E0, 0x001F, RY , GY<<5, BY<<11, RGB2YUV_SHIFT+8)
BGR2Y(uint16_t, rgb15ToY, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RY , GY<<5, BY<<10, RGB2YUV_SHIFT+7)
static inline void RENAME(bgr32ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
{
int i;
@ -2052,20 +2061,6 @@ static inline void RENAME(bgr24ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t
assert(src1 == src2);
}
static inline void RENAME(rgb16ToY)(uint8_t *dst, uint8_t *src, long width)
{
int i;
for (i=0; i<width; i++)
{
int d= ((uint16_t*)src)[i];
int b= d&0x1F;
int g= (d>>5)&0x3F;
int r= (d>>11)&0x1F;
dst[i]= (2*RY*r + GY*g + 2*BY*b + (33<<(RGB2YUV_SHIFT-3)))>>(RGB2YUV_SHIFT-2);
}
}
static inline void RENAME(rgb16ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
{
int i;
@ -2104,20 +2099,6 @@ static inline void RENAME(rgb16ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t
}
}
static inline void RENAME(rgb15ToY)(uint8_t *dst, uint8_t *src, long width)
{
int i;
for (i=0; i<width; i++)
{
int d= ((uint16_t*)src)[i];
int b= d&0x1F;
int g= (d>>5)&0x1F;
int r= (d>>10)&0x1F;
dst[i]= (RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-4)))>>(RGB2YUV_SHIFT-3);
}
}
static inline void RENAME(rgb15ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
{
int i;
@ -2156,20 +2137,6 @@ static inline void RENAME(rgb15ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t
}
}
static inline void RENAME(rgb32ToY)(uint8_t *dst, uint8_t *src, long width)
{
int i;
for (i=0; i<width; i++)
{
int r= ((uint32_t*)src)[i]&0xFF;
int g= (((uint32_t*)src)[i]>>8)&0xFF;
int b= (((uint32_t*)src)[i]>>16)&0xFF;
dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
}
}
static inline void RENAME(rgb32ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
{
int i;
@ -2255,20 +2222,6 @@ static inline void RENAME(rgb24ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t
}
}
static inline void RENAME(bgr16ToY)(uint8_t *dst, uint8_t *src, long width)
{
int i;
for (i=0; i<width; i++)
{
int d= ((uint16_t*)src)[i];
int r= d&0x1F;
int g= (d>>5)&0x3F;
int b= (d>>11)&0x1F;
dst[i]= (2*RY*r + GY*g + 2*BY*b + (33<<(RGB2YUV_SHIFT-3)))>>(RGB2YUV_SHIFT-2);
}
}
static inline void RENAME(bgr16ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
{
int i;
@ -2304,20 +2257,6 @@ static inline void RENAME(bgr16ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t
}
}
static inline void RENAME(bgr15ToY)(uint8_t *dst, uint8_t *src, long width)
{
int i;
for (i=0; i<width; i++)
{
int d= ((uint16_t*)src)[i];
int r= d&0x1F;
int g= (d>>5)&0x1F;
int b= (d>>10)&0x1F;
dst[i]= (RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-4)))>>(RGB2YUV_SHIFT-3);
}
}
static inline void RENAME(bgr15ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
{
int i;