| // Copyright 2016 Adrien Descamps |
| // Distributed under BSD 3-Clause License |
| #include "../../SDL_internal.h" |
| |
| #if SDL_HAVE_YUV |
| |
| #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__ |
| |
| #endif /* SDL_HAVE_YUV */ |
