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Diffstat (limited to 'source/3rd-party/SDL2/src/video/yuv2rgb/yuv_rgb.c')
| -rw-r--r-- | source/3rd-party/SDL2/src/video/yuv2rgb/yuv_rgb.c | 687 |
1 files changed, 687 insertions, 0 deletions
diff --git a/source/3rd-party/SDL2/src/video/yuv2rgb/yuv_rgb.c b/source/3rd-party/SDL2/src/video/yuv2rgb/yuv_rgb.c new file mode 100644 index 0000000..891dae2 --- /dev/null +++ b/source/3rd-party/SDL2/src/video/yuv2rgb/yuv_rgb.c @@ -0,0 +1,687 @@ +// Copyright 2016 Adrien Descamps +// Distributed under BSD 3-Clause License +#include "../../SDL_internal.h" + +#include "yuv_rgb.h" + +#include "SDL_cpuinfo.h" +/*#include <x86intrin.h>*/ + +#define PRECISION 6 +#define PRECISION_FACTOR (1<<PRECISION) + +typedef struct +{ + uint8_t y_shift; + int16_t matrix[3][3]; +} RGB2YUVParam; +// |Y| |y_shift| |matrix[0][0] matrix[0][1] matrix[0][2]| |R| +// |U| = | 128 | + 1/PRECISION_FACTOR * |matrix[1][0] matrix[1][1] matrix[1][2]| * |G| +// |V| | 128 | |matrix[2][0] matrix[2][1] matrix[2][2]| |B| + +typedef struct +{ + uint8_t y_shift; + int16_t y_factor; + int16_t v_r_factor; + int16_t u_g_factor; + int16_t v_g_factor; + int16_t u_b_factor; +} YUV2RGBParam; +// |R| |y_factor 0 v_r_factor| |Y-y_shift| +// |G| = 1/PRECISION_FACTOR * |y_factor u_g_factor v_g_factor| * | U-128 | +// |B| |y_factor u_b_factor 0 | | V-128 | + +#define V(value) (int16_t)((value*PRECISION_FACTOR)+0.5) + +// for ITU-T T.871, values can be found in section 7 +// for ITU-R BT.601-7 values are derived from equations in sections 2.5.1-2.5.3, assuming RGB is encoded using full range ([0-1]<->[0-255]) +// for ITU-R BT.709-6 values are derived from equations in sections 3.2-3.4, assuming RGB is encoded using full range ([0-1]<->[0-255]) +// all values are rounded to the fourth decimal + +static const YUV2RGBParam YUV2RGB[3] = { + // ITU-T T.871 (JPEG) + {/*.y_shift=*/ 0, /*.y_factor=*/ V(1.0), /*.v_r_factor=*/ V(1.402), /*.u_g_factor=*/ -V(0.3441), /*.v_g_factor=*/ -V(0.7141), /*.u_b_factor=*/ V(1.772)}, + // ITU-R BT.601-7 + {/*.y_shift=*/ 16, /*.y_factor=*/ V(1.1644), /*.v_r_factor=*/ V(1.596), /*.u_g_factor=*/ -V(0.3918), /*.v_g_factor=*/ -V(0.813), /*.u_b_factor=*/ V(2.0172)}, + // ITU-R BT.709-6 + {/*.y_shift=*/ 16, /*.y_factor=*/ V(1.1644), /*.v_r_factor=*/ V(1.7927), /*.u_g_factor=*/ -V(0.2132), /*.v_g_factor=*/ -V(0.5329), /*.u_b_factor=*/ V(2.1124)} +}; + +static const RGB2YUVParam RGB2YUV[3] = { + // ITU-T T.871 (JPEG) + {/*.y_shift=*/ 0, /*.matrix=*/ {{V(0.299), V(0.587), V(0.114)}, {-V(0.1687), -V(0.3313), V(0.5)}, {V(0.5), -V(0.4187), -V(0.0813)}}}, + // ITU-R BT.601-7 + {/*.y_shift=*/ 16, /*.matrix=*/ {{V(0.2568), V(0.5041), V(0.0979)}, {-V(0.1482), -V(0.291), V(0.4392)}, {V(0.4392), -V(0.3678), -V(0.0714)}}}, + // ITU-R BT.709-6 + {/*.y_shift=*/ 16, /*.matrix=*/ {{V(0.1826), V(0.6142), V(0.062)}, {-V(0.1006), -V(0.3386), V(0.4392)}, {V(0.4392), -V(0.3989), -V(0.0403)}}} +}; + +/* The various layouts of YUV data we support */ +#define YUV_FORMAT_420 1 +#define YUV_FORMAT_422 2 +#define YUV_FORMAT_NV12 3 + +/* The various formats of RGB pixel that we support */ +#define RGB_FORMAT_RGB565 1 +#define RGB_FORMAT_RGB24 2 +#define RGB_FORMAT_RGBA 3 +#define RGB_FORMAT_BGRA 4 +#define RGB_FORMAT_ARGB 5 +#define RGB_FORMAT_ABGR 6 + +// divide by PRECISION_FACTOR and clamp to [0:255] interval +// input must be in the [-128*PRECISION_FACTOR:384*PRECISION_FACTOR] range +static uint8_t clampU8(int32_t v) +{ + static const uint8_t lut[512] = + {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46, + 47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90, + 91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125, + 126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158, + 159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191, + 192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224, + 225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255, + 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255 + }; + return lut[(v+128*PRECISION_FACTOR)>>PRECISION]; +} + + +#define STD_FUNCTION_NAME yuv420_rgb565_std +#define YUV_FORMAT YUV_FORMAT_420 +#define RGB_FORMAT RGB_FORMAT_RGB565 +#include "yuv_rgb_std_func.h" + +#define STD_FUNCTION_NAME yuv420_rgb24_std +#define YUV_FORMAT YUV_FORMAT_420 +#define RGB_FORMAT RGB_FORMAT_RGB24 +#include "yuv_rgb_std_func.h" + +#define STD_FUNCTION_NAME yuv420_rgba_std +#define YUV_FORMAT YUV_FORMAT_420 +#define RGB_FORMAT RGB_FORMAT_RGBA +#include "yuv_rgb_std_func.h" + +#define STD_FUNCTION_NAME yuv420_bgra_std +#define YUV_FORMAT YUV_FORMAT_420 +#define RGB_FORMAT RGB_FORMAT_BGRA +#include "yuv_rgb_std_func.h" + +#define STD_FUNCTION_NAME yuv420_argb_std +#define YUV_FORMAT YUV_FORMAT_420 +#define RGB_FORMAT RGB_FORMAT_ARGB +#include "yuv_rgb_std_func.h" + +#define STD_FUNCTION_NAME yuv420_abgr_std +#define YUV_FORMAT YUV_FORMAT_420 +#define RGB_FORMAT RGB_FORMAT_ABGR +#include "yuv_rgb_std_func.h" + +#define STD_FUNCTION_NAME yuv422_rgb565_std +#define YUV_FORMAT YUV_FORMAT_422 +#define RGB_FORMAT RGB_FORMAT_RGB565 +#include "yuv_rgb_std_func.h" + +#define STD_FUNCTION_NAME yuv422_rgb24_std +#define YUV_FORMAT YUV_FORMAT_422 +#define RGB_FORMAT RGB_FORMAT_RGB24 +#include "yuv_rgb_std_func.h" + +#define STD_FUNCTION_NAME yuv422_rgba_std +#define YUV_FORMAT YUV_FORMAT_422 +#define RGB_FORMAT RGB_FORMAT_RGBA +#include "yuv_rgb_std_func.h" + +#define STD_FUNCTION_NAME yuv422_bgra_std +#define YUV_FORMAT YUV_FORMAT_422 +#define RGB_FORMAT RGB_FORMAT_BGRA +#include "yuv_rgb_std_func.h" + +#define STD_FUNCTION_NAME yuv422_argb_std +#define YUV_FORMAT YUV_FORMAT_422 +#define RGB_FORMAT RGB_FORMAT_ARGB +#include "yuv_rgb_std_func.h" + +#define STD_FUNCTION_NAME yuv422_abgr_std +#define YUV_FORMAT YUV_FORMAT_422 +#define RGB_FORMAT RGB_FORMAT_ABGR +#include "yuv_rgb_std_func.h" + +#define STD_FUNCTION_NAME yuvnv12_rgb565_std +#define YUV_FORMAT YUV_FORMAT_NV12 +#define RGB_FORMAT RGB_FORMAT_RGB565 +#include "yuv_rgb_std_func.h" + +#define STD_FUNCTION_NAME yuvnv12_rgb24_std +#define YUV_FORMAT YUV_FORMAT_NV12 +#define RGB_FORMAT RGB_FORMAT_RGB24 +#include "yuv_rgb_std_func.h" + +#define STD_FUNCTION_NAME yuvnv12_rgba_std +#define YUV_FORMAT YUV_FORMAT_NV12 +#define RGB_FORMAT RGB_FORMAT_RGBA +#include "yuv_rgb_std_func.h" + +#define STD_FUNCTION_NAME yuvnv12_bgra_std +#define YUV_FORMAT YUV_FORMAT_NV12 +#define RGB_FORMAT RGB_FORMAT_BGRA +#include "yuv_rgb_std_func.h" + +#define STD_FUNCTION_NAME yuvnv12_argb_std +#define YUV_FORMAT YUV_FORMAT_NV12 +#define RGB_FORMAT RGB_FORMAT_ARGB +#include "yuv_rgb_std_func.h" + +#define STD_FUNCTION_NAME yuvnv12_abgr_std +#define YUV_FORMAT YUV_FORMAT_NV12 +#define RGB_FORMAT RGB_FORMAT_ABGR +#include "yuv_rgb_std_func.h" + +void rgb24_yuv420_std( + uint32_t width, uint32_t height, + const uint8_t *RGB, uint32_t RGB_stride, + uint8_t *Y, uint8_t *U, uint8_t *V, uint32_t Y_stride, uint32_t UV_stride, + YCbCrType yuv_type) +{ + const RGB2YUVParam *const param = &(RGB2YUV[yuv_type]); + + uint32_t x, y; + for(y=0; y<(height-1); y+=2) + { + const uint8_t *rgb_ptr1=RGB+y*RGB_stride, + *rgb_ptr2=RGB+(y+1)*RGB_stride; + + uint8_t *y_ptr1=Y+y*Y_stride, + *y_ptr2=Y+(y+1)*Y_stride, + *u_ptr=U+(y/2)*UV_stride, + *v_ptr=V+(y/2)*UV_stride; + + for(x=0; x<(width-1); x+=2) + { + // compute yuv for the four pixels, u and v values are summed + int32_t y_tmp, u_tmp, v_tmp; + + y_tmp = param->matrix[0][0]*rgb_ptr1[0] + param->matrix[0][1]*rgb_ptr1[1] + param->matrix[0][2]*rgb_ptr1[2]; + u_tmp = param->matrix[1][0]*rgb_ptr1[0] + param->matrix[1][1]*rgb_ptr1[1] + param->matrix[1][2]*rgb_ptr1[2]; + v_tmp = param->matrix[2][0]*rgb_ptr1[0] + param->matrix[2][1]*rgb_ptr1[1] + param->matrix[2][2]*rgb_ptr1[2]; + y_ptr1[0]=clampU8(y_tmp+((param->y_shift)<<PRECISION)); + + y_tmp = param->matrix[0][0]*rgb_ptr1[3] + param->matrix[0][1]*rgb_ptr1[4] + param->matrix[0][2]*rgb_ptr1[5]; + u_tmp += param->matrix[1][0]*rgb_ptr1[3] + param->matrix[1][1]*rgb_ptr1[4] + param->matrix[1][2]*rgb_ptr1[5]; + v_tmp += param->matrix[2][0]*rgb_ptr1[3] + param->matrix[2][1]*rgb_ptr1[4] + param->matrix[2][2]*rgb_ptr1[5]; + y_ptr1[1]=clampU8(y_tmp+((param->y_shift)<<PRECISION)); + + y_tmp = param->matrix[0][0]*rgb_ptr2[0] + param->matrix[0][1]*rgb_ptr2[1] + param->matrix[0][2]*rgb_ptr2[2]; + u_tmp += param->matrix[1][0]*rgb_ptr2[0] + param->matrix[1][1]*rgb_ptr2[1] + param->matrix[1][2]*rgb_ptr2[2]; + v_tmp += param->matrix[2][0]*rgb_ptr2[0] + param->matrix[2][1]*rgb_ptr2[1] + param->matrix[2][2]*rgb_ptr2[2]; + y_ptr2[0]=clampU8(y_tmp+((param->y_shift)<<PRECISION)); + + y_tmp = param->matrix[0][0]*rgb_ptr2[3] + param->matrix[0][1]*rgb_ptr2[4] + param->matrix[0][2]*rgb_ptr2[5]; + u_tmp += param->matrix[1][0]*rgb_ptr2[3] + param->matrix[1][1]*rgb_ptr2[4] + param->matrix[1][2]*rgb_ptr2[5]; + v_tmp += param->matrix[2][0]*rgb_ptr2[3] + param->matrix[2][1]*rgb_ptr2[4] + param->matrix[2][2]*rgb_ptr2[5]; + y_ptr2[1]=clampU8(y_tmp+((param->y_shift)<<PRECISION)); + + u_ptr[0] = clampU8(u_tmp/4+(128<<PRECISION)); + v_ptr[0] = clampU8(v_tmp/4+(128<<PRECISION)); + + rgb_ptr1 += 6; + rgb_ptr2 += 6; + y_ptr1 += 2; + y_ptr2 += 2; + u_ptr += 1; + v_ptr += 1; + } + } +} + +#ifdef __SSE2__ + +#define SSE_FUNCTION_NAME yuv420_rgb565_sse +#define STD_FUNCTION_NAME yuv420_rgb565_std +#define YUV_FORMAT YUV_FORMAT_420 +#define RGB_FORMAT RGB_FORMAT_RGB565 +#define SSE_ALIGNED +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuv420_rgb565_sseu +#define STD_FUNCTION_NAME yuv420_rgb565_std +#define YUV_FORMAT YUV_FORMAT_420 +#define RGB_FORMAT RGB_FORMAT_RGB565 +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuv420_rgb24_sse +#define STD_FUNCTION_NAME yuv420_rgb24_std +#define YUV_FORMAT YUV_FORMAT_420 +#define RGB_FORMAT RGB_FORMAT_RGB24 +#define SSE_ALIGNED +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuv420_rgb24_sseu +#define STD_FUNCTION_NAME yuv420_rgb24_std +#define YUV_FORMAT YUV_FORMAT_420 +#define RGB_FORMAT RGB_FORMAT_RGB24 +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuv420_rgba_sse +#define STD_FUNCTION_NAME yuv420_rgba_std +#define YUV_FORMAT YUV_FORMAT_420 +#define RGB_FORMAT RGB_FORMAT_RGBA +#define SSE_ALIGNED +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuv420_rgba_sseu +#define STD_FUNCTION_NAME yuv420_rgba_std +#define YUV_FORMAT YUV_FORMAT_420 +#define RGB_FORMAT RGB_FORMAT_RGBA +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuv420_bgra_sse +#define STD_FUNCTION_NAME yuv420_bgra_std +#define YUV_FORMAT YUV_FORMAT_420 +#define RGB_FORMAT RGB_FORMAT_BGRA +#define SSE_ALIGNED +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuv420_bgra_sseu +#define STD_FUNCTION_NAME yuv420_bgra_std +#define YUV_FORMAT YUV_FORMAT_420 +#define RGB_FORMAT RGB_FORMAT_BGRA +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuv420_argb_sse +#define STD_FUNCTION_NAME yuv420_argb_std +#define YUV_FORMAT YUV_FORMAT_420 +#define RGB_FORMAT RGB_FORMAT_ARGB +#define SSE_ALIGNED +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuv420_argb_sseu +#define STD_FUNCTION_NAME yuv420_argb_std +#define YUV_FORMAT YUV_FORMAT_420 +#define RGB_FORMAT RGB_FORMAT_ARGB +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuv420_abgr_sse +#define STD_FUNCTION_NAME yuv420_abgr_std +#define YUV_FORMAT YUV_FORMAT_420 +#define RGB_FORMAT RGB_FORMAT_ABGR +#define SSE_ALIGNED +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuv420_abgr_sseu +#define STD_FUNCTION_NAME yuv420_abgr_std +#define YUV_FORMAT YUV_FORMAT_420 +#define RGB_FORMAT RGB_FORMAT_ABGR +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuv422_rgb565_sse +#define STD_FUNCTION_NAME yuv422_rgb565_std +#define YUV_FORMAT YUV_FORMAT_422 +#define RGB_FORMAT RGB_FORMAT_RGB565 +#define SSE_ALIGNED +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuv422_rgb565_sseu +#define STD_FUNCTION_NAME yuv422_rgb565_std +#define YUV_FORMAT YUV_FORMAT_422 +#define RGB_FORMAT RGB_FORMAT_RGB565 +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuv422_rgb24_sse +#define STD_FUNCTION_NAME yuv422_rgb24_std +#define YUV_FORMAT YUV_FORMAT_422 +#define RGB_FORMAT RGB_FORMAT_RGB24 +#define SSE_ALIGNED +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuv422_rgb24_sseu +#define STD_FUNCTION_NAME yuv422_rgb24_std +#define YUV_FORMAT YUV_FORMAT_422 +#define RGB_FORMAT RGB_FORMAT_RGB24 +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuv422_rgba_sse +#define STD_FUNCTION_NAME yuv422_rgba_std +#define YUV_FORMAT YUV_FORMAT_422 +#define RGB_FORMAT RGB_FORMAT_RGBA +#define SSE_ALIGNED +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuv422_rgba_sseu +#define STD_FUNCTION_NAME yuv422_rgba_std +#define YUV_FORMAT YUV_FORMAT_422 +#define RGB_FORMAT RGB_FORMAT_RGBA +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuv422_bgra_sse +#define STD_FUNCTION_NAME yuv422_bgra_std +#define YUV_FORMAT YUV_FORMAT_422 +#define RGB_FORMAT RGB_FORMAT_BGRA +#define SSE_ALIGNED +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuv422_bgra_sseu +#define STD_FUNCTION_NAME yuv422_bgra_std +#define YUV_FORMAT YUV_FORMAT_422 +#define RGB_FORMAT RGB_FORMAT_BGRA +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuv422_argb_sse +#define STD_FUNCTION_NAME yuv422_argb_std +#define YUV_FORMAT YUV_FORMAT_422 +#define RGB_FORMAT RGB_FORMAT_ARGB +#define SSE_ALIGNED +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuv422_argb_sseu +#define STD_FUNCTION_NAME yuv422_argb_std +#define YUV_FORMAT YUV_FORMAT_422 +#define RGB_FORMAT RGB_FORMAT_ARGB +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuv422_abgr_sse +#define STD_FUNCTION_NAME yuv422_abgr_std +#define YUV_FORMAT YUV_FORMAT_422 +#define RGB_FORMAT RGB_FORMAT_ABGR +#define SSE_ALIGNED +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuv422_abgr_sseu +#define STD_FUNCTION_NAME yuv422_abgr_std +#define YUV_FORMAT YUV_FORMAT_422 +#define RGB_FORMAT RGB_FORMAT_ABGR +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuvnv12_rgb565_sse +#define STD_FUNCTION_NAME yuvnv12_rgb565_std +#define YUV_FORMAT YUV_FORMAT_NV12 +#define RGB_FORMAT RGB_FORMAT_RGB565 +#define SSE_ALIGNED +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuvnv12_rgb565_sseu +#define STD_FUNCTION_NAME yuvnv12_rgb565_std +#define YUV_FORMAT YUV_FORMAT_NV12 +#define RGB_FORMAT RGB_FORMAT_RGB565 +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuvnv12_rgb24_sse +#define STD_FUNCTION_NAME yuvnv12_rgb24_std +#define YUV_FORMAT YUV_FORMAT_NV12 +#define RGB_FORMAT RGB_FORMAT_RGB24 +#define SSE_ALIGNED +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuvnv12_rgb24_sseu +#define STD_FUNCTION_NAME yuvnv12_rgb24_std +#define YUV_FORMAT YUV_FORMAT_NV12 +#define RGB_FORMAT RGB_FORMAT_RGB24 +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuvnv12_rgba_sse +#define STD_FUNCTION_NAME yuvnv12_rgba_std +#define YUV_FORMAT YUV_FORMAT_NV12 +#define RGB_FORMAT RGB_FORMAT_RGBA +#define SSE_ALIGNED +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuvnv12_rgba_sseu +#define STD_FUNCTION_NAME yuvnv12_rgba_std +#define YUV_FORMAT YUV_FORMAT_NV12 +#define RGB_FORMAT RGB_FORMAT_RGBA +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuvnv12_bgra_sse +#define STD_FUNCTION_NAME yuvnv12_bgra_std +#define YUV_FORMAT YUV_FORMAT_NV12 +#define RGB_FORMAT RGB_FORMAT_BGRA +#define SSE_ALIGNED +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuvnv12_bgra_sseu +#define STD_FUNCTION_NAME yuvnv12_bgra_std +#define YUV_FORMAT YUV_FORMAT_NV12 +#define RGB_FORMAT RGB_FORMAT_BGRA +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuvnv12_argb_sse +#define STD_FUNCTION_NAME yuvnv12_argb_std +#define YUV_FORMAT YUV_FORMAT_NV12 +#define RGB_FORMAT RGB_FORMAT_ARGB +#define SSE_ALIGNED +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuvnv12_argb_sseu +#define STD_FUNCTION_NAME yuvnv12_argb_std +#define YUV_FORMAT YUV_FORMAT_NV12 +#define RGB_FORMAT RGB_FORMAT_ARGB +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuvnv12_abgr_sse +#define STD_FUNCTION_NAME yuvnv12_abgr_std +#define YUV_FORMAT YUV_FORMAT_NV12 +#define RGB_FORMAT RGB_FORMAT_ABGR +#define SSE_ALIGNED +#include "yuv_rgb_sse_func.h" + +#define SSE_FUNCTION_NAME yuvnv12_abgr_sseu +#define STD_FUNCTION_NAME yuvnv12_abgr_std +#define YUV_FORMAT YUV_FORMAT_NV12 +#define RGB_FORMAT RGB_FORMAT_ABGR +#include "yuv_rgb_sse_func.h" + + +#define UNPACK_RGB24_32_STEP1(RGB1, RGB2, RGB3, RGB4, RGB5, RGB6, R1, R2, G1, G2, B1, B2) \ +R1 = _mm_unpacklo_epi8(RGB1, RGB4); \ +R2 = _mm_unpackhi_epi8(RGB1, RGB4); \ +G1 = _mm_unpacklo_epi8(RGB2, RGB5); \ +G2 = _mm_unpackhi_epi8(RGB2, RGB5); \ +B1 = _mm_unpacklo_epi8(RGB3, RGB6); \ +B2 = _mm_unpackhi_epi8(RGB3, RGB6); + +#define UNPACK_RGB24_32_STEP2(RGB1, RGB2, RGB3, RGB4, RGB5, RGB6, R1, R2, G1, G2, B1, B2) \ +RGB1 = _mm_unpacklo_epi8(R1, G2); \ +RGB2 = _mm_unpackhi_epi8(R1, G2); \ +RGB3 = _mm_unpacklo_epi8(R2, B1); \ +RGB4 = _mm_unpackhi_epi8(R2, B1); \ +RGB5 = _mm_unpacklo_epi8(G1, B2); \ +RGB6 = _mm_unpackhi_epi8(G1, B2); \ + +#define UNPACK_RGB24_32(RGB1, RGB2, RGB3, RGB4, RGB5, RGB6, R1, R2, G1, G2, B1, B2) \ +UNPACK_RGB24_32_STEP1(RGB1, RGB2, RGB3, RGB4, RGB5, RGB6, R1, R2, G1, G2, B1, B2) \ +UNPACK_RGB24_32_STEP2(RGB1, RGB2, RGB3, RGB4, RGB5, RGB6, R1, R2, G1, G2, B1, B2) \ +UNPACK_RGB24_32_STEP1(RGB1, RGB2, RGB3, RGB4, RGB5, RGB6, R1, R2, G1, G2, B1, B2) \ +UNPACK_RGB24_32_STEP2(RGB1, RGB2, RGB3, RGB4, RGB5, RGB6, R1, R2, G1, G2, B1, B2) \ +UNPACK_RGB24_32_STEP1(RGB1, RGB2, RGB3, RGB4, RGB5, RGB6, R1, R2, G1, G2, B1, B2) \ + +#define RGB2YUV_16(R, G, B, Y, U, V) \ +Y = _mm_add_epi16(_mm_mullo_epi16(R, _mm_set1_epi16(param->matrix[0][0])), \ + _mm_mullo_epi16(G, _mm_set1_epi16(param->matrix[0][1]))); \ +Y = _mm_add_epi16(Y, _mm_mullo_epi16(B, _mm_set1_epi16(param->matrix[0][2]))); \ +Y = _mm_add_epi16(Y, _mm_set1_epi16((param->y_shift)<<PRECISION)); \ +Y = _mm_srai_epi16(Y, PRECISION); \ +U = _mm_add_epi16(_mm_mullo_epi16(R, _mm_set1_epi16(param->matrix[1][0])), \ + _mm_mullo_epi16(G, _mm_set1_epi16(param->matrix[1][1]))); \ +U = _mm_add_epi16(U, _mm_mullo_epi16(B, _mm_set1_epi16(param->matrix[1][2]))); \ +U = _mm_add_epi16(U, _mm_set1_epi16(128<<PRECISION)); \ +U = _mm_srai_epi16(U, PRECISION); \ +V = _mm_add_epi16(_mm_mullo_epi16(R, _mm_set1_epi16(param->matrix[2][0])), \ + _mm_mullo_epi16(G, _mm_set1_epi16(param->matrix[2][1]))); \ +V = _mm_add_epi16(V, _mm_mullo_epi16(B, _mm_set1_epi16(param->matrix[2][2]))); \ +V = _mm_add_epi16(V, _mm_set1_epi16(128<<PRECISION)); \ +V = _mm_srai_epi16(V, PRECISION); + +#define RGB2YUV_32 \ + __m128i r1, r2, b1, b2, g1, g2; \ + __m128i r_16, g_16, b_16; \ + __m128i y1_16, y2_16, u1_16, u2_16, v1_16, v2_16, y, u1, u2, v1, v2, u1_tmp, u2_tmp, v1_tmp, v2_tmp; \ + __m128i rgb1 = LOAD_SI128((const __m128i*)(rgb_ptr1)), \ + rgb2 = LOAD_SI128((const __m128i*)(rgb_ptr1+16)), \ + rgb3 = LOAD_SI128((const __m128i*)(rgb_ptr1+32)), \ + rgb4 = LOAD_SI128((const __m128i*)(rgb_ptr2)), \ + rgb5 = LOAD_SI128((const __m128i*)(rgb_ptr2+16)), \ + rgb6 = LOAD_SI128((const __m128i*)(rgb_ptr2+32)); \ + /* unpack rgb24 data to r, g and b data in separate channels*/ \ + UNPACK_RGB24_32(rgb1, rgb2, rgb3, rgb4, rgb5, rgb6, r1, r2, g1, g2, b1, b2) \ + /* process pixels of first line */ \ + r_16 = _mm_unpacklo_epi8(r1, _mm_setzero_si128()); \ + g_16 = _mm_unpacklo_epi8(g1, _mm_setzero_si128()); \ + b_16 = _mm_unpacklo_epi8(b1, _mm_setzero_si128()); \ + RGB2YUV_16(r_16, g_16, b_16, y1_16, u1_16, v1_16) \ + r_16 = _mm_unpackhi_epi8(r1, _mm_setzero_si128()); \ + g_16 = _mm_unpackhi_epi8(g1, _mm_setzero_si128()); \ + b_16 = _mm_unpackhi_epi8(b1, _mm_setzero_si128()); \ + RGB2YUV_16(r_16, g_16, b_16, y2_16, u2_16, v2_16) \ + y = _mm_packus_epi16(y1_16, y2_16); \ + u1 = _mm_packus_epi16(u1_16, u2_16); \ + v1 = _mm_packus_epi16(v1_16, v2_16); \ + /* save Y values */ \ + SAVE_SI128((__m128i*)(y_ptr1), y); \ + /* process pixels of second line */ \ + r_16 = _mm_unpacklo_epi8(r2, _mm_setzero_si128()); \ + g_16 = _mm_unpacklo_epi8(g2, _mm_setzero_si128()); \ + b_16 = _mm_unpacklo_epi8(b2, _mm_setzero_si128()); \ + RGB2YUV_16(r_16, g_16, b_16, y1_16, u1_16, v1_16) \ + r_16 = _mm_unpackhi_epi8(r2, _mm_setzero_si128()); \ + g_16 = _mm_unpackhi_epi8(g2, _mm_setzero_si128()); \ + b_16 = _mm_unpackhi_epi8(b2, _mm_setzero_si128()); \ + RGB2YUV_16(r_16, g_16, b_16, y2_16, u2_16, v2_16) \ + y = _mm_packus_epi16(y1_16, y2_16); \ + u2 = _mm_packus_epi16(u1_16, u2_16); \ + v2 = _mm_packus_epi16(v1_16, v2_16); \ + /* save Y values */ \ + SAVE_SI128((__m128i*)(y_ptr2), y); \ + /* vertical subsampling of u/v values */ \ + u1_tmp = _mm_avg_epu8(u1, u2); \ + v1_tmp = _mm_avg_epu8(v1, v2); \ + /* do the same again with next data */ \ + rgb1 = LOAD_SI128((const __m128i*)(rgb_ptr1+48)); \ + rgb2 = LOAD_SI128((const __m128i*)(rgb_ptr1+64)); \ + rgb3 = LOAD_SI128((const __m128i*)(rgb_ptr1+80)); \ + rgb4 = LOAD_SI128((const __m128i*)(rgb_ptr2+48)); \ + rgb5 = LOAD_SI128((const __m128i*)(rgb_ptr2+64)); \ + rgb6 = LOAD_SI128((const __m128i*)(rgb_ptr2+80)); \ + /* unpack rgb24 data to r, g and b data in separate channels*/ \ + UNPACK_RGB24_32(rgb1, rgb2, rgb3, rgb4, rgb5, rgb6, r1, r2, g1, g2, b1, b2) \ + /* process pixels of first line */ \ + r_16 = _mm_unpacklo_epi8(r1, _mm_setzero_si128()); \ + g_16 = _mm_unpacklo_epi8(g1, _mm_setzero_si128()); \ + b_16 = _mm_unpacklo_epi8(b1, _mm_setzero_si128()); \ + RGB2YUV_16(r_16, g_16, b_16, y1_16, u1_16, v1_16) \ + r_16 = _mm_unpackhi_epi8(r1, _mm_setzero_si128()); \ + g_16 = _mm_unpackhi_epi8(g1, _mm_setzero_si128()); \ + b_16 = _mm_unpackhi_epi8(b1, _mm_setzero_si128()); \ + RGB2YUV_16(r_16, g_16, b_16, y2_16, u2_16, v2_16) \ + y = _mm_packus_epi16(y1_16, y2_16); \ + u1 = _mm_packus_epi16(u1_16, u2_16); \ + v1 = _mm_packus_epi16(v1_16, v2_16); \ + /* save Y values */ \ + SAVE_SI128((__m128i*)(y_ptr1+16), y); \ + /* process pixels of second line */ \ + r_16 = _mm_unpacklo_epi8(r2, _mm_setzero_si128()); \ + g_16 = _mm_unpacklo_epi8(g2, _mm_setzero_si128()); \ + b_16 = _mm_unpacklo_epi8(b2, _mm_setzero_si128()); \ + RGB2YUV_16(r_16, g_16, b_16, y1_16, u1_16, v1_16) \ + r_16 = _mm_unpackhi_epi8(r2, _mm_setzero_si128()); \ + g_16 = _mm_unpackhi_epi8(g2, _mm_setzero_si128()); \ + b_16 = _mm_unpackhi_epi8(b2, _mm_setzero_si128()); \ + RGB2YUV_16(r_16, g_16, b_16, y2_16, u2_16, v2_16) \ + y = _mm_packus_epi16(y1_16, y2_16); \ + u2 = _mm_packus_epi16(u1_16, u2_16); \ + v2 = _mm_packus_epi16(v1_16, v2_16); \ + /* save Y values */ \ + SAVE_SI128((__m128i*)(y_ptr2+16), y); \ + /* vertical subsampling of u/v values */ \ + u2_tmp = _mm_avg_epu8(u1, u2); \ + v2_tmp = _mm_avg_epu8(v1, v2); \ + /* horizontal subsampling of u/v values */ \ + u1 = _mm_packus_epi16(_mm_srl_epi16(u1_tmp, _mm_cvtsi32_si128(8)), _mm_srl_epi16(u2_tmp, _mm_cvtsi32_si128(8))); \ + v1 = _mm_packus_epi16(_mm_srl_epi16(v1_tmp, _mm_cvtsi32_si128(8)), _mm_srl_epi16(v2_tmp, _mm_cvtsi32_si128(8))); \ + u2 = _mm_packus_epi16(_mm_and_si128(u1_tmp, _mm_set1_epi16(0xFF)), _mm_and_si128(u2_tmp, _mm_set1_epi16(0xFF))); \ + v2 = _mm_packus_epi16(_mm_and_si128(v1_tmp, _mm_set1_epi16(0xFF)), _mm_and_si128(v2_tmp, _mm_set1_epi16(0xFF))); \ + u1 = _mm_avg_epu8(u1, u2); \ + v1 = _mm_avg_epu8(v1, v2); \ + SAVE_SI128((__m128i*)(u_ptr), u1); \ + SAVE_SI128((__m128i*)(v_ptr), v1); + +void rgb24_yuv420_sse(uint32_t width, uint32_t height, + const uint8_t *RGB, uint32_t RGB_stride, + uint8_t *Y, uint8_t *U, uint8_t *V, uint32_t Y_stride, uint32_t UV_stride, + YCbCrType yuv_type) +{ + #define LOAD_SI128 _mm_load_si128 + #define SAVE_SI128 _mm_stream_si128 + const RGB2YUVParam *const param = &(RGB2YUV[yuv_type]); + + uint32_t xpos, ypos; + for(ypos=0; ypos<(height-1); ypos+=2) + { + const uint8_t *rgb_ptr1=RGB+ypos*RGB_stride, + *rgb_ptr2=RGB+(ypos+1)*RGB_stride; + + uint8_t *y_ptr1=Y+ypos*Y_stride, + *y_ptr2=Y+(ypos+1)*Y_stride, + *u_ptr=U+(ypos/2)*UV_stride, + *v_ptr=V+(ypos/2)*UV_stride; + + for(xpos=0; xpos<(width-31); xpos+=32) + { + RGB2YUV_32 + + rgb_ptr1+=96; + rgb_ptr2+=96; + y_ptr1+=32; + y_ptr2+=32; + u_ptr+=16; + v_ptr+=16; + } + } + #undef LOAD_SI128 + #undef SAVE_SI128 +} + +void rgb24_yuv420_sseu(uint32_t width, uint32_t height, + const uint8_t *RGB, uint32_t RGB_stride, + uint8_t *Y, uint8_t *U, uint8_t *V, uint32_t Y_stride, uint32_t UV_stride, + YCbCrType yuv_type) +{ + #define LOAD_SI128 _mm_loadu_si128 + #define SAVE_SI128 _mm_storeu_si128 + const RGB2YUVParam *const param = &(RGB2YUV[yuv_type]); + + uint32_t xpos, ypos; + for(ypos=0; ypos<(height-1); ypos+=2) + { + const uint8_t *rgb_ptr1=RGB+ypos*RGB_stride, + *rgb_ptr2=RGB+(ypos+1)*RGB_stride; + + uint8_t *y_ptr1=Y+ypos*Y_stride, + *y_ptr2=Y+(ypos+1)*Y_stride, + *u_ptr=U+(ypos/2)*UV_stride, + *v_ptr=V+(ypos/2)*UV_stride; + + for(xpos=0; xpos<(width-31); xpos+=32) + { + RGB2YUV_32 + + rgb_ptr1+=96; + rgb_ptr2+=96; + y_ptr1+=32; + y_ptr2+=32; + u_ptr+=16; + v_ptr+=16; + } + } + #undef LOAD_SI128 + #undef SAVE_SI128 +} + + +#endif //__SSE2__ + |