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swscale: change 48bit RGB input macros to inline functions.

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Inline functions are slightly larger in source code, but
are easier to handle in source code editors. The binary code
generated is the same.
pull/2/head
Ronald S. Bultje 14 years ago
parent f30ee65700
commit dbd3183935
1 changed files with 71 additions and 44 deletions
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  1. 115
      libswscale/swscale.c

115
libswscale/swscale.c
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@ -1008,58 +1008,85 @@ static av_always_inline void fillPlane(uint8_t* plane, int stride,
}
}
#define rgb48funcs(LE_BE, rfunc, compA, compB, compC) \
static void compA ## compB ## compC ## 48 ## LE_BE ## ToY_c( \
uint8_t *dst, const uint8_t *src, int width, \
uint32_t *unused) \
static av_always_inline void
rgb48ToY_c_template(uint8_t *dst, const uint8_t *src, int width,
enum PixelFormat origin)
{
int i;
for (i = 0; i < width; i++) {
#define input_pixel(pos) (isBE(origin) ? AV_RB16(pos) : AV_RL16(pos))
int a = input_pixel(&src[i*6+0]) >> 8;
int g = input_pixel(&src[i*6+2]) >> 8;
int c = input_pixel(&src[i*6+4]) >> 8;
#define r ((origin == PIX_FMT_BGR48BE || origin == PIX_FMT_BGR48LE) ? c : a)
#define b ((origin == PIX_FMT_BGR48BE || origin == PIX_FMT_BGR48LE) ? a : c)
dst[i] = (RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT;
}
}
static av_always_inline void
rgb48ToUV_c_template(uint8_t *dstU, uint8_t *dstV,
const uint8_t *src1, const uint8_t *src2,
int width, enum PixelFormat origin)
{
int i;
assert(src1==src2);
for (i = 0; i < width; i++) {
int a = input_pixel(&src1[6*i + 0]) >> 8;
int g = input_pixel(&src1[6*i + 2]) >> 8;
int c = input_pixel(&src1[6*i + 4]) >> 8;
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 av_always_inline void
rgb48ToUV_half_c_template(uint8_t *dstU, uint8_t *dstV,
const uint8_t *src1, const uint8_t *src2,
int width, enum PixelFormat origin)
{
int i;
assert(src1==src2);
for (i = 0; i < width; i++) {
int a = (input_pixel(&src1[12*i + 0]) >> 8) + (input_pixel(&src1[12*i + 6]) >> 8);
int g = (input_pixel(&src1[12*i + 2]) >> 8) + (input_pixel(&src1[12*i + 8]) >> 8);
int c = (input_pixel(&src1[12*i + 4]) >> 8) + (input_pixel(&src1[12*i + 10]) >> 8);
dstU[i]= (RU*r + GU*g + BU*b + (257<<RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT+1);
dstV[i]= (RV*r + GV*g + BV*b + (257<<RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT+1);
}
#undef r
#undef b
#undef input_pixel
}
#define rgb48funcs(pattern, BE_LE, origin) \
static void pattern ## 48 ## BE_LE ## ToY_c(uint8_t *dst, const uint8_t *src, \
int width, uint32_t *unused) \
{ \
int i; \
for (i = 0; i < width; i++) { \
int compA = rfunc(&src[i*6+0]) >> 8; \
int compB = rfunc(&src[i*6+2]) >> 8; \
int compC = rfunc(&src[i*6+4]) >> 8; \
\
dst[i] = (RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT; \
} \
rgb48ToY_c_template(dst, src, width, origin); \
} \
\
static void compA ## compB ## compC ## 48 ## LE_BE ## ToUV_c( \
uint8_t *dstU, uint8_t *dstV, \
const uint8_t *src1, const uint8_t *src2, \
int width, uint32_t *unused) \
static void pattern ## 48 ## BE_LE ## ToUV_c(uint8_t *dstU, uint8_t *dstV, \
const uint8_t *src1, const uint8_t *src2, \
int width, uint32_t *unused) \
{ \
int i; \
assert(src1==src2); \
for (i = 0; i < width; i++) { \
int compA = rfunc(&src1[6*i + 0]) >> 8; \
int compB = rfunc(&src1[6*i + 2]) >> 8; \
int compC = rfunc(&src1[6*i + 4]) >> 8; \
\
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; \
} \
rgb48ToUV_c_template(dstU, dstV, src1, src2, width, origin); \
} \
\
static void compA ## compB ## compC ## 48 ## LE_BE ## ToUV_half_c( \
uint8_t *dstU, uint8_t *dstV, \
const uint8_t *src1, const uint8_t *src2, \
int width, uint32_t *unused) \
static void pattern ## 48 ## BE_LE ## ToUV_half_c(uint8_t *dstU, uint8_t *dstV, \
const uint8_t *src1, const uint8_t *src2, \
int width, uint32_t *unused) \
{ \
int i; \
assert(src1==src2); \
for (i = 0; i < width; i++) { \
int compA = (rfunc(&src1[12*i + 0]) >> 8) + (rfunc(&src1[12*i + 6]) >> 8); \
int compB = (rfunc(&src1[12*i + 2]) >> 8) + (rfunc(&src1[12*i + 8]) >> 8); \
int compC = (rfunc(&src1[12*i + 4]) >> 8) + (rfunc(&src1[12*i + 10]) >> 8); \
\
dstU[i]= (RU*r + GU*g + BU*b + (257<<RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT+1); \
dstV[i]= (RV*r + GV*g + BV*b + (257<<RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT+1); \
} \
rgb48ToUV_half_c_template(dstU, dstV, src1, src2, width, origin); \
}
rgb48funcs(LE, AV_RL16, r, g, b);
rgb48funcs(BE, AV_RB16, r, g, b);
rgb48funcs(LE, AV_RL16, b, g, r);
rgb48funcs(BE, AV_RB16, b, g, r);
rgb48funcs(rgb, LE, PIX_FMT_RGB48LE);
rgb48funcs(rgb, BE, PIX_FMT_RGB48BE);
rgb48funcs(bgr, LE, PIX_FMT_BGR48LE);
rgb48funcs(bgr, BE, PIX_FMT_BGR48BE);
#define BGR2Y(type, name, shr, shg, shb, maskr, maskg, maskb, RY, GY, BY, S)\
static void name ## _c(uint8_t *dst, const uint8_t *src, \

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