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ffmpeg.wasm-core
Commit a0baa07a authored by Michael Niedermayer's avatar Michael Niedermayer
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Factorize RGB/BGR15/16/32->UV by using the preprocessor. 

Originally committed as revision 27566 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
parent 214892ee
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Showing with 20 additions and 93 deletions
libswscale/swscale_template.c
View file @ a0baa07a
......@@ -1864,22 +1864,28 @@ BGR2Y(uint16_t, bgr15ToY, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RY<<10, GY<<5, BY
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;
assert(src1 == src2);
for (i=0; i<width; i++)
{
int b= ((uint32_t*)src1)[i]&0xFF;
int g= (((uint32_t*)src1)[i]>>8)&0xFF;
int r= (((uint32_t*)src1)[i]>>16)&0xFF;
dstU[i]= (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
dstV[i]= (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
}
#define BGR2UV(type, name, shr, shg, shb, maskr, maskg, maskb, RU, GU, BU, RV, GV, BV, S)\
static inline void RENAME(name)(uint8_t *dstU, uint8_t *dstV, uint8_t *src, uint8_t *dummy, 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;\
\
dstU[i]= ((RU)*r + (GU)*g + (BU)*b + (257<<((S)-1)))>>(S);\
dstV[i]= ((RV)*r + (GV)*g + (BV)*b + (257<<((S)-1)))>>(S);\
}\
}
BGR2UV(uint32_t, bgr32ToUV,16, 0, 0, 0x00FF, 0xFF00, 0x00FF, RU<< 8, GU , BU<< 8, RV<< 8, GV , BV<< 8, RGB2YUV_SHIFT+8)
BGR2UV(uint32_t, rgb32ToUV, 0, 0,16, 0x00FF, 0xFF00, 0x00FF, RU<< 8, GU , BU<< 8, RV<< 8, GV , BV<< 8, RGB2YUV_SHIFT+8)
BGR2UV(uint16_t, bgr16ToUV, 0, 0, 0, 0x001F, 0x07E0, 0xF800, RU<<11, GU<<5, BU , RV<<11, GV<<5, BV , RGB2YUV_SHIFT+8)
BGR2UV(uint16_t, bgr15ToUV, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RU<<10, GU<<5, BU , RV<<10, GV<<5, BV , RGB2YUV_SHIFT+7)
BGR2UV(uint16_t, rgb16ToUV, 0, 0, 0, 0xF800, 0x07E0, 0x001F, RU , GU<<5, BU<<11, RV , GV<<5, BV<<11, RGB2YUV_SHIFT+8)
BGR2UV(uint16_t, rgb15ToUV, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RU , GU<<5, BU<<10, RV , GV<<5, BV<<10, RGB2YUV_SHIFT+7)
static inline void RENAME(bgr32ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
{
int i;
......@@ -2061,22 +2067,6 @@ static inline void RENAME(bgr24ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t
assert(src1 == src2);
}
static inline void RENAME(rgb16ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
{
int i;
assert(src1==src2);
for (i=0; i<width; i++)
{
int d= ((uint16_t*)src1)[i];
int b= d&0x1F;
int g= (d>>5)&0x3F;
int r= (d>>11)&0x1F;
dstU[i]= (2*RU*r + GU*g + 2*BU*b + (257<<(RGB2YUV_SHIFT-3)))>>(RGB2YUV_SHIFT-2);
dstV[i]= (2*RV*r + GV*g + 2*BV*b + (257<<(RGB2YUV_SHIFT-3)))>>(RGB2YUV_SHIFT-2);
}
}
static inline void RENAME(rgb16ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
{
int i;
......@@ -2099,22 +2089,6 @@ static inline void RENAME(rgb16ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t
}
}
static inline void RENAME(rgb15ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
{
int i;
assert(src1==src2);
for (i=0; i<width; i++)
{
int d= ((uint16_t*)src1)[i];
int b= d&0x1F;
int g= (d>>5)&0x1F;
int r= (d>>10)&0x1F;
dstU[i]= (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-4)))>>(RGB2YUV_SHIFT-3);
dstV[i]= (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-4)))>>(RGB2YUV_SHIFT-3);
}
}
static inline void RENAME(rgb15ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
{
int i;
......@@ -2137,21 +2111,6 @@ static inline void RENAME(rgb15ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t
}
}
static inline void RENAME(rgb32ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
{
int i;
assert(src1==src2);
for (i=0; i<width; i++)
{
int r= ((uint32_t*)src1)[i]&0xFF;
int g= (((uint32_t*)src1)[i]>>8)&0xFF;
int b= (((uint32_t*)src1)[i]>>16)&0xFF;
dstU[i]= (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
dstV[i]= (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
}
}
static inline void RENAME(rgb32ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
{
int i;
......@@ -2222,22 +2181,6 @@ static inline void RENAME(rgb24ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t
}
}
static inline void RENAME(bgr16ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
{
int i;
assert(src1 == src2);
for (i=0; i<width; i++)
{
int d= ((uint16_t*)src1)[i];
int r= d&0x1F;
int g= (d>>5)&0x3F;
int b= (d>>11)&0x1F;
dstU[i]= (2*RU*r + GU*g + 2*BU*b + (257<<(RGB2YUV_SHIFT-3)))>>(RGB2YUV_SHIFT-2);
dstV[i]= (2*RV*r + GV*g + 2*BV*b + (257<<(RGB2YUV_SHIFT-3)))>>(RGB2YUV_SHIFT-2);
}
}
static inline void RENAME(bgr16ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
{
int i;
......@@ -2257,22 +2200,6 @@ static inline void RENAME(bgr16ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t
}
}
static inline void RENAME(bgr15ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
{
int i;
assert(src1 == src2);
for (i=0; i<width; i++)
{
int d= ((uint16_t*)src1)[i];
int r= d&0x1F;
int g= (d>>5)&0x1F;
int b= (d>>10)&0x1F;
dstU[i]= (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-4)))>>(RGB2YUV_SHIFT-3);
dstV[i]= (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-4)))>>(RGB2YUV_SHIFT-3);
}
}
static inline void RENAME(bgr15ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
{
int i;
......
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