videolan
/
ffmpeg
mirror of https://git.videolan.org/git/ffmpeg.git
1
Fork 0
Code Releases Activity

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

Inline functions are slightly larger in source code, but
are easier to handle in source code editors. The binary code
generated is the same.
This commit is contained in:
Ronald S. Bultje 2011-06-08 15:12:32 -04:00
parent f30ee65700
commit dbd3183935
1 changed files with 78 additions and 51 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

129
libswscale/swscale.c
View File

@ -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) \
{ \
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; \
} \
} \
\
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) \
{ \
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; \
} \
} \
\
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) \
{ \
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); \
} \
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;
}
}
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);
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) \
{ \
rgb48ToY_c_template(dst, src, width, origin); \
} \
\
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) \
{ \
rgb48ToUV_c_template(dstU, dstV, src1, src2, width, origin); \
} \
\
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) \
{ \
rgb48ToUV_half_c_template(dstU, dstV, src1, src2, width, origin); \
}
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, \