SDL  2.0
yuv_rgb.c File Reference
#include "../../SDL_internal.h"
#include "yuv_rgb.h"
#include "SDL_cpuinfo.h"
#include "yuv_rgb_std_func.h"
+ Include dependency graph for yuv_rgb.c:

Go to the source code of this file.

Data Structures

struct  RGB2YUVParam
 
struct  YUV2RGBParam
 

Macros

#define PRECISION   6
 
#define PRECISION_FACTOR   (1<<PRECISION)
 
#define V(value)   (int16_t)((value*PRECISION_FACTOR)+0.5)
 
#define YUV_FORMAT_420   1
 
#define YUV_FORMAT_422   2
 
#define YUV_FORMAT_NV12   3
 
#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
 
#define STD_FUNCTION_NAME   yuv420_rgb565_std
 
#define YUV_FORMAT   YUV_FORMAT_420
 
#define RGB_FORMAT   RGB_FORMAT_RGB565
 
#define STD_FUNCTION_NAME   yuv420_rgb24_std
 
#define YUV_FORMAT   YUV_FORMAT_420
 
#define RGB_FORMAT   RGB_FORMAT_RGB24
 
#define STD_FUNCTION_NAME   yuv420_rgba_std
 
#define YUV_FORMAT   YUV_FORMAT_420
 
#define RGB_FORMAT   RGB_FORMAT_RGBA
 
#define STD_FUNCTION_NAME   yuv420_bgra_std
 
#define YUV_FORMAT   YUV_FORMAT_420
 
#define RGB_FORMAT   RGB_FORMAT_BGRA
 
#define STD_FUNCTION_NAME   yuv420_argb_std
 
#define YUV_FORMAT   YUV_FORMAT_420
 
#define RGB_FORMAT   RGB_FORMAT_ARGB
 
#define STD_FUNCTION_NAME   yuv420_abgr_std
 
#define YUV_FORMAT   YUV_FORMAT_420
 
#define RGB_FORMAT   RGB_FORMAT_ABGR
 
#define STD_FUNCTION_NAME   yuv422_rgb565_std
 
#define YUV_FORMAT   YUV_FORMAT_422
 
#define RGB_FORMAT   RGB_FORMAT_RGB565
 
#define STD_FUNCTION_NAME   yuv422_rgb24_std
 
#define YUV_FORMAT   YUV_FORMAT_422
 
#define RGB_FORMAT   RGB_FORMAT_RGB24
 
#define STD_FUNCTION_NAME   yuv422_rgba_std
 
#define YUV_FORMAT   YUV_FORMAT_422
 
#define RGB_FORMAT   RGB_FORMAT_RGBA
 
#define STD_FUNCTION_NAME   yuv422_bgra_std
 
#define YUV_FORMAT   YUV_FORMAT_422
 
#define RGB_FORMAT   RGB_FORMAT_BGRA
 
#define STD_FUNCTION_NAME   yuv422_argb_std
 
#define YUV_FORMAT   YUV_FORMAT_422
 
#define RGB_FORMAT   RGB_FORMAT_ARGB
 
#define STD_FUNCTION_NAME   yuv422_abgr_std
 
#define YUV_FORMAT   YUV_FORMAT_422
 
#define RGB_FORMAT   RGB_FORMAT_ABGR
 
#define STD_FUNCTION_NAME   yuvnv12_rgb565_std
 
#define YUV_FORMAT   YUV_FORMAT_NV12
 
#define RGB_FORMAT   RGB_FORMAT_RGB565
 
#define STD_FUNCTION_NAME   yuvnv12_rgb24_std
 
#define YUV_FORMAT   YUV_FORMAT_NV12
 
#define RGB_FORMAT   RGB_FORMAT_RGB24
 
#define STD_FUNCTION_NAME   yuvnv12_rgba_std
 
#define YUV_FORMAT   YUV_FORMAT_NV12
 
#define RGB_FORMAT   RGB_FORMAT_RGBA
 
#define STD_FUNCTION_NAME   yuvnv12_bgra_std
 
#define YUV_FORMAT   YUV_FORMAT_NV12
 
#define RGB_FORMAT   RGB_FORMAT_BGRA
 
#define STD_FUNCTION_NAME   yuvnv12_argb_std
 
#define YUV_FORMAT   YUV_FORMAT_NV12
 
#define RGB_FORMAT   RGB_FORMAT_ARGB
 
#define STD_FUNCTION_NAME   yuvnv12_abgr_std
 
#define YUV_FORMAT   YUV_FORMAT_NV12
 
#define RGB_FORMAT   RGB_FORMAT_ABGR
 

Functions

static uint8_t clampU8 (int32_t v)
 
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)
 

Variables

static const YUV2RGBParam YUV2RGB [3]
 
static const RGB2YUVParam RGB2YUV [3]
 

Macro Definition Documentation

◆ PRECISION

#define PRECISION   6

Definition at line 10 of file yuv_rgb.c.

Referenced by clampU8(), and rgb24_yuv420_std().

◆ PRECISION_FACTOR

#define PRECISION_FACTOR   (1<<PRECISION)

Definition at line 11 of file yuv_rgb.c.

Referenced by clampU8().

◆ RGB_FORMAT [1/18]

#define RGB_FORMAT   RGB_FORMAT_RGB565

Definition at line 183 of file yuv_rgb.c.

◆ RGB_FORMAT [2/18]

#define RGB_FORMAT   RGB_FORMAT_RGB24

Definition at line 183 of file yuv_rgb.c.

◆ RGB_FORMAT [3/18]

#define RGB_FORMAT   RGB_FORMAT_RGBA

Definition at line 183 of file yuv_rgb.c.

◆ RGB_FORMAT [4/18]

#define RGB_FORMAT   RGB_FORMAT_BGRA

Definition at line 183 of file yuv_rgb.c.

◆ RGB_FORMAT [5/18]

#define RGB_FORMAT   RGB_FORMAT_ARGB

Definition at line 183 of file yuv_rgb.c.

◆ RGB_FORMAT [6/18]

#define RGB_FORMAT   RGB_FORMAT_ABGR

Definition at line 183 of file yuv_rgb.c.

◆ RGB_FORMAT [7/18]

#define RGB_FORMAT   RGB_FORMAT_RGB565

Definition at line 183 of file yuv_rgb.c.

◆ RGB_FORMAT [8/18]

#define RGB_FORMAT   RGB_FORMAT_RGB24

Definition at line 183 of file yuv_rgb.c.

◆ RGB_FORMAT [9/18]

#define RGB_FORMAT   RGB_FORMAT_RGBA

Definition at line 183 of file yuv_rgb.c.

◆ RGB_FORMAT [10/18]

#define RGB_FORMAT   RGB_FORMAT_BGRA

Definition at line 183 of file yuv_rgb.c.

◆ RGB_FORMAT [11/18]

#define RGB_FORMAT   RGB_FORMAT_ARGB

Definition at line 183 of file yuv_rgb.c.

◆ RGB_FORMAT [12/18]

#define RGB_FORMAT   RGB_FORMAT_ABGR

Definition at line 183 of file yuv_rgb.c.

◆ RGB_FORMAT [13/18]

#define RGB_FORMAT   RGB_FORMAT_RGB565

Definition at line 183 of file yuv_rgb.c.

◆ RGB_FORMAT [14/18]

#define RGB_FORMAT   RGB_FORMAT_RGB24

Definition at line 183 of file yuv_rgb.c.

◆ RGB_FORMAT [15/18]

#define RGB_FORMAT   RGB_FORMAT_RGBA

Definition at line 183 of file yuv_rgb.c.

◆ RGB_FORMAT [16/18]

#define RGB_FORMAT   RGB_FORMAT_BGRA

Definition at line 183 of file yuv_rgb.c.

◆ RGB_FORMAT [17/18]

#define RGB_FORMAT   RGB_FORMAT_ARGB

Definition at line 183 of file yuv_rgb.c.

◆ RGB_FORMAT [18/18]

#define RGB_FORMAT   RGB_FORMAT_ABGR

Definition at line 183 of file yuv_rgb.c.

◆ RGB_FORMAT_ABGR

#define RGB_FORMAT_ABGR   6

Definition at line 71 of file yuv_rgb.c.

◆ RGB_FORMAT_ARGB

#define RGB_FORMAT_ARGB   5

Definition at line 70 of file yuv_rgb.c.

◆ RGB_FORMAT_BGRA

#define RGB_FORMAT_BGRA   4

Definition at line 69 of file yuv_rgb.c.

◆ RGB_FORMAT_RGB24

#define RGB_FORMAT_RGB24   2

Definition at line 67 of file yuv_rgb.c.

◆ RGB_FORMAT_RGB565

#define RGB_FORMAT_RGB565   1

Definition at line 66 of file yuv_rgb.c.

◆ RGB_FORMAT_RGBA

#define RGB_FORMAT_RGBA   3

Definition at line 68 of file yuv_rgb.c.

◆ STD_FUNCTION_NAME [1/18]

#define STD_FUNCTION_NAME   yuv420_rgb565_std

Definition at line 181 of file yuv_rgb.c.

◆ STD_FUNCTION_NAME [2/18]

#define STD_FUNCTION_NAME   yuv420_rgb24_std

Definition at line 181 of file yuv_rgb.c.

◆ STD_FUNCTION_NAME [3/18]

#define STD_FUNCTION_NAME   yuv420_rgba_std

Definition at line 181 of file yuv_rgb.c.

◆ STD_FUNCTION_NAME [4/18]

#define STD_FUNCTION_NAME   yuv420_bgra_std

Definition at line 181 of file yuv_rgb.c.

◆ STD_FUNCTION_NAME [5/18]

#define STD_FUNCTION_NAME   yuv420_argb_std

Definition at line 181 of file yuv_rgb.c.

◆ STD_FUNCTION_NAME [6/18]

#define STD_FUNCTION_NAME   yuv420_abgr_std

Definition at line 181 of file yuv_rgb.c.

◆ STD_FUNCTION_NAME [7/18]

#define STD_FUNCTION_NAME   yuv422_rgb565_std

Definition at line 181 of file yuv_rgb.c.

◆ STD_FUNCTION_NAME [8/18]

#define STD_FUNCTION_NAME   yuv422_rgb24_std

Definition at line 181 of file yuv_rgb.c.

◆ STD_FUNCTION_NAME [9/18]

#define STD_FUNCTION_NAME   yuv422_rgba_std

Definition at line 181 of file yuv_rgb.c.

◆ STD_FUNCTION_NAME [10/18]

#define STD_FUNCTION_NAME   yuv422_bgra_std

Definition at line 181 of file yuv_rgb.c.

◆ STD_FUNCTION_NAME [11/18]

#define STD_FUNCTION_NAME   yuv422_argb_std

Definition at line 181 of file yuv_rgb.c.

◆ STD_FUNCTION_NAME [12/18]

#define STD_FUNCTION_NAME   yuv422_abgr_std

Definition at line 181 of file yuv_rgb.c.

◆ STD_FUNCTION_NAME [13/18]

#define STD_FUNCTION_NAME   yuvnv12_rgb565_std

Definition at line 181 of file yuv_rgb.c.

◆ STD_FUNCTION_NAME [14/18]

#define STD_FUNCTION_NAME   yuvnv12_rgb24_std

Definition at line 181 of file yuv_rgb.c.

◆ STD_FUNCTION_NAME [15/18]

#define STD_FUNCTION_NAME   yuvnv12_rgba_std

Definition at line 181 of file yuv_rgb.c.

◆ STD_FUNCTION_NAME [16/18]

#define STD_FUNCTION_NAME   yuvnv12_bgra_std

Definition at line 181 of file yuv_rgb.c.

◆ STD_FUNCTION_NAME [17/18]

#define STD_FUNCTION_NAME   yuvnv12_argb_std

Definition at line 181 of file yuv_rgb.c.

◆ STD_FUNCTION_NAME [18/18]

#define STD_FUNCTION_NAME   yuvnv12_abgr_std

Definition at line 181 of file yuv_rgb.c.

◆ V

◆ YUV_FORMAT [1/18]

#define YUV_FORMAT   YUV_FORMAT_420

Definition at line 182 of file yuv_rgb.c.

◆ YUV_FORMAT [2/18]

#define YUV_FORMAT   YUV_FORMAT_420

Definition at line 182 of file yuv_rgb.c.

◆ YUV_FORMAT [3/18]

#define YUV_FORMAT   YUV_FORMAT_420

Definition at line 182 of file yuv_rgb.c.

◆ YUV_FORMAT [4/18]

#define YUV_FORMAT   YUV_FORMAT_420

Definition at line 182 of file yuv_rgb.c.

◆ YUV_FORMAT [5/18]

#define YUV_FORMAT   YUV_FORMAT_420

Definition at line 182 of file yuv_rgb.c.

◆ YUV_FORMAT [6/18]

#define YUV_FORMAT   YUV_FORMAT_420

Definition at line 182 of file yuv_rgb.c.

◆ YUV_FORMAT [7/18]

#define YUV_FORMAT   YUV_FORMAT_422

Definition at line 182 of file yuv_rgb.c.

◆ YUV_FORMAT [8/18]

#define YUV_FORMAT   YUV_FORMAT_422

Definition at line 182 of file yuv_rgb.c.

◆ YUV_FORMAT [9/18]

#define YUV_FORMAT   YUV_FORMAT_422

Definition at line 182 of file yuv_rgb.c.

◆ YUV_FORMAT [10/18]

#define YUV_FORMAT   YUV_FORMAT_422

Definition at line 182 of file yuv_rgb.c.

◆ YUV_FORMAT [11/18]

#define YUV_FORMAT   YUV_FORMAT_422

Definition at line 182 of file yuv_rgb.c.

◆ YUV_FORMAT [12/18]

#define YUV_FORMAT   YUV_FORMAT_422

Definition at line 182 of file yuv_rgb.c.

◆ YUV_FORMAT [13/18]

#define YUV_FORMAT   YUV_FORMAT_NV12

Definition at line 182 of file yuv_rgb.c.

◆ YUV_FORMAT [14/18]

#define YUV_FORMAT   YUV_FORMAT_NV12

Definition at line 182 of file yuv_rgb.c.

◆ YUV_FORMAT [15/18]

#define YUV_FORMAT   YUV_FORMAT_NV12

Definition at line 182 of file yuv_rgb.c.

◆ YUV_FORMAT [16/18]

#define YUV_FORMAT   YUV_FORMAT_NV12

Definition at line 182 of file yuv_rgb.c.

◆ YUV_FORMAT [17/18]

#define YUV_FORMAT   YUV_FORMAT_NV12

Definition at line 182 of file yuv_rgb.c.

◆ YUV_FORMAT [18/18]

#define YUV_FORMAT   YUV_FORMAT_NV12

Definition at line 182 of file yuv_rgb.c.

◆ YUV_FORMAT_420

#define YUV_FORMAT_420   1

Definition at line 61 of file yuv_rgb.c.

◆ YUV_FORMAT_422

#define YUV_FORMAT_422   2

Definition at line 62 of file yuv_rgb.c.

◆ YUV_FORMAT_NV12

#define YUV_FORMAT_NV12   3

Definition at line 63 of file yuv_rgb.c.

Function Documentation

◆ clampU8()

static uint8_t clampU8 ( int32_t  v)
static

Definition at line 75 of file yuv_rgb.c.

References PRECISION, and PRECISION_FACTOR.

Referenced by rgb24_yuv420_std().

76 {
77  static const uint8_t lut[512] =
78  {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,
79  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,
80  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,
81  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,
82  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,
83  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,
84  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,
85  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,
86  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,
87  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,
88  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,
89  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,
90  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
91  };
92  return lut[(v+128*PRECISION_FACTOR)>>PRECISION];
93 }
const GLdouble * v
Definition: SDL_opengl.h:2064
#define PRECISION
Definition: yuv_rgb.c:10
#define PRECISION_FACTOR
Definition: yuv_rgb.c:11
unsigned char uint8_t

◆ rgb24_yuv420_std()

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 
)

Definition at line 186 of file yuv_rgb.c.

References clampU8(), RGB2YUVParam::matrix, PRECISION, RGB, rgb24_yuv420_sse(), rgb24_yuv420_sseu(), V, Y, and RGB2YUVParam::y_shift.

Referenced by SDL_ConvertPixels_RGB_to_YUV().

191 {
192  const RGB2YUVParam *const param = &(RGB2YUV[yuv_type]);
193 
194  uint32_t x, y;
195  for(y=0; y<(height-1); y+=2)
196  {
197  const uint8_t *rgb_ptr1=RGB+y*RGB_stride,
198  *rgb_ptr2=RGB+(y+1)*RGB_stride;
199 
200  uint8_t *y_ptr1=Y+y*Y_stride,
201  *y_ptr2=Y+(y+1)*Y_stride,
202  *u_ptr=U+(y/2)*UV_stride,
203  *v_ptr=V+(y/2)*UV_stride;
204 
205  for(x=0; x<(width-1); x+=2)
206  {
207  // compute yuv for the four pixels, u and v values are summed
208  int32_t y_tmp, u_tmp, v_tmp;
209 
210  y_tmp = param->matrix[0][0]*rgb_ptr1[0] + param->matrix[0][1]*rgb_ptr1[1] + param->matrix[0][2]*rgb_ptr1[2];
211  u_tmp = param->matrix[1][0]*rgb_ptr1[0] + param->matrix[1][1]*rgb_ptr1[1] + param->matrix[1][2]*rgb_ptr1[2];
212  v_tmp = param->matrix[2][0]*rgb_ptr1[0] + param->matrix[2][1]*rgb_ptr1[1] + param->matrix[2][2]*rgb_ptr1[2];
213  y_ptr1[0]=clampU8(y_tmp+((param->y_shift)<<PRECISION));
214 
215  y_tmp = param->matrix[0][0]*rgb_ptr1[3] + param->matrix[0][1]*rgb_ptr1[4] + param->matrix[0][2]*rgb_ptr1[5];
216  u_tmp += param->matrix[1][0]*rgb_ptr1[3] + param->matrix[1][1]*rgb_ptr1[4] + param->matrix[1][2]*rgb_ptr1[5];
217  v_tmp += param->matrix[2][0]*rgb_ptr1[3] + param->matrix[2][1]*rgb_ptr1[4] + param->matrix[2][2]*rgb_ptr1[5];
218  y_ptr1[1]=clampU8(y_tmp+((param->y_shift)<<PRECISION));
219 
220  y_tmp = param->matrix[0][0]*rgb_ptr2[0] + param->matrix[0][1]*rgb_ptr2[1] + param->matrix[0][2]*rgb_ptr2[2];
221  u_tmp += param->matrix[1][0]*rgb_ptr2[0] + param->matrix[1][1]*rgb_ptr2[1] + param->matrix[1][2]*rgb_ptr2[2];
222  v_tmp += param->matrix[2][0]*rgb_ptr2[0] + param->matrix[2][1]*rgb_ptr2[1] + param->matrix[2][2]*rgb_ptr2[2];
223  y_ptr2[0]=clampU8(y_tmp+((param->y_shift)<<PRECISION));
224 
225  y_tmp = param->matrix[0][0]*rgb_ptr2[3] + param->matrix[0][1]*rgb_ptr2[4] + param->matrix[0][2]*rgb_ptr2[5];
226  u_tmp += param->matrix[1][0]*rgb_ptr2[3] + param->matrix[1][1]*rgb_ptr2[4] + param->matrix[1][2]*rgb_ptr2[5];
227  v_tmp += param->matrix[2][0]*rgb_ptr2[3] + param->matrix[2][1]*rgb_ptr2[4] + param->matrix[2][2]*rgb_ptr2[5];
228  y_ptr2[1]=clampU8(y_tmp+((param->y_shift)<<PRECISION));
229 
230  u_ptr[0] = clampU8(u_tmp/4+(128<<PRECISION));
231  v_ptr[0] = clampU8(v_tmp/4+(128<<PRECISION));
232 
233  rgb_ptr1 += 6;
234  rgb_ptr2 += 6;
235  y_ptr1 += 2;
236  y_ptr2 += 2;
237  u_ptr += 1;
238  v_ptr += 1;
239  }
240  }
241 }
Definition: edid.h:20
GLint GLint GLint GLint GLint x
Definition: SDL_opengl.h:1574
signed int int32_t
static const RGB2YUVParam RGB2YUV[3]
Definition: yuv_rgb.c:51
#define PRECISION
Definition: yuv_rgb.c:10
GLint GLint GLsizei width
Definition: SDL_opengl.h:1572
set set set set set set set set set set set set set set set set set set set set *set set set macro pixldst op &r &cond WK op &r &cond WK op &r &cond WK else op &m &cond &ia op &r &cond WK else op &m &cond &ia elseif elseif else error unsupported base if elseif elseif else error unsupported unaligned pixldst unaligned endm macro pixst base base else pixldst base endif endm macro PF base if bpp PF set rept prefetch_distance PF set OFFSET endr endif endm macro preload_leading_step2 base if bpp ifc DST PF PF else if bpp lsl PF PF lsl PF PF lsl PF PF PF else PF lsl PF lsl PF lsl PF endif SIZE macro preload_middle scratch_holds_offset if bpp if else PF PF endif endif endif endm macro preload_trailing base if bpp if bpp *pix_per_block PF PF lsl PF PF PF PF PF else PF lsl PF lsl PF PF PF PF PF base if bpp if narrow_case &&bpp<=dst_w_bpp) PF bic, WK0, base, #31 PF pld, [WK0] PF add, WK1, base, X, LSL #bpp_shift PF sub, WK1, WK1, #1 PF bic, WK1, WK1, #31 PF cmp, WK1, WK0 PF beq, 90f PF pld, [WK1]90:.else PF bic, WK0, base, #31 PF pld, [WK0] PF add, WK1, base, X, lsl #bpp_shift PF sub, WK1, WK1, #1 PF bic, WK1, WK1, #31 PF cmp, WK1, WK0 PF beq, 92f91:PF add, WK0, WK0, #32 PF cmp, WK0, WK1 PF pld, [WK0] PF bne, 91b92:.endif .endif.endm.macro conditional_process1_helper cond, process_head, process_tail, numbytes, firstreg, unaligned_src, unaligned_mask, decrementx process_head cond, numbytes, firstreg, unaligned_src, unaligned_mask, 0 .if decrementx sub &cond X, X, #8 *numbytes/dst_w_bpp .endif process_tail cond, numbytes, firstreg .if !((flags) &FLAG_PROCESS_DOES_STORE) pixst cond, numbytes, firstreg, DST .endif.endm.macro conditional_process1 cond, process_head, process_tail, numbytes, firstreg, unaligned_src, unaligned_mask, decrementx .if(flags) &FLAG_BRANCH_OVER .ifc cond, mi bpl 100f .endif .ifc cond, cs bcc 100f .endif .ifc cond, ne beq 100f .endif conditional_process1_helper, process_head, process_tail, numbytes, firstreg, unaligned_src, unaligned_mask, decrementx100:.else conditional_process1_helper cond, process_head, process_tail, numbytes, firstreg, unaligned_src, unaligned_mask, decrementx .endif.endm.macro conditional_process2 test, cond1, cond2, process_head, process_tail, numbytes1, numbytes2, firstreg1, firstreg2, unaligned_src, unaligned_mask, decrementx .if(flags) &(FLAG_DST_READWRITE|FLAG_BRANCH_OVER|FLAG_PROCESS_CORRUPTS_PSR|FLAG_PROCESS_DOES_STORE) test conditional_process1 cond1, process_head, process_tail, numbytes1, firstreg1, unaligned_src, unaligned_mask, decrementx .if(flags) &FLAG_PROCESS_CORRUPTS_PSR test .endif conditional_process1 cond2, process_head, process_tail, numbytes2, firstreg2, unaligned_src, unaligned_mask, decrementx .else test process_head cond1, numbytes1, firstreg1, unaligned_src, unaligned_mask, 0 process_head cond2, numbytes2, firstreg2, unaligned_src, unaligned_mask, 0 .if decrementx sub &cond1 X, X, #8 *numbytes1/dst_w_bpp sub &cond2 X, X, #8 *numbytes2/dst_w_bpp .endif process_tail cond1, numbytes1, firstreg1 process_tail cond2, numbytes2, firstreg2 pixst cond1, numbytes1, firstreg1, DST pixst cond2, numbytes2, firstreg2, DST .endif.endm.macro test_bits_1_0_ptr .if(flags) &FLAG_PROCESS_CORRUPTS_WK0 movs SCRATCH, X, lsl #32-1 .else movs SCRATCH, WK0, lsl #32-1 .endif.endm.macro test_bits_3_2_ptr .if(flags) &FLAG_PROCESS_CORRUPTS_WK0 movs SCRATCH, X, lsl #32-3 .else movs SCRATCH, WK0, lsl #32-3 .endif.endm.macro leading_15bytes process_head, process_tail .set DECREMENT_X, 1 .if(flags) &FLAG_PROCESS_CORRUPTS_WK0 .set DECREMENT_X, 0 sub X, X, WK0, lsr #dst_bpp_shift str X, [sp, #LINE_SAVED_REG_COUNT *4] mov X, WK0 .endif .if dst_w_bpp==8 conditional_process2 test_bits_1_0_ptr, mi, cs, process_head, process_tail, 1, 2, 1, 2, 1, 1, DECREMENT_X .elseif dst_w_bpp==16 test_bits_1_0_ptr conditional_process1 cs, process_head, process_tail, 2, 2, 1, 1, DECREMENT_X .endif conditional_process2 test_bits_3_2_ptr, mi, cs, process_head, process_tail, 4, 8, 1, 2, 1, 1, DECREMENT_X .if(flags) &FLAG_PROCESS_CORRUPTS_WK0 ldr X, [sp, #LINE_SAVED_REG_COUNT *4] .endif.endm.macro test_bits_3_2_pix movs SCRATCH, X, lsl #dst_bpp_shift+32-3.endm.macro test_bits_1_0_pix .if dst_w_bpp==8 movs SCRATCH, X, lsl #dst_bpp_shift+32-1 .else movs SCRATCH, X, lsr #1 .endif.endm.macro trailing_15bytes process_head, process_tail, unaligned_src, unaligned_mask conditional_process2 test_bits_3_2_pix, cs, mi, process_head, process_tail, 8, 4, 0, 2, unaligned_src, unaligned_mask, 0 .if dst_w_bpp==16 test_bits_1_0_pix conditional_process1 cs, process_head, process_tail, 2, 0, unaligned_src, unaligned_mask, 0 .elseif dst_w_bpp==8 conditional_process2 test_bits_1_0_pix, cs, mi, process_head, process_tail, 2, 1, 0, 1, unaligned_src, unaligned_mask, 0 .endif.endm.macro wide_case_inner_loop process_head, process_tail, unaligned_src, unaligned_mask, dst_alignment110:.set SUBBLOCK, 0 .rept pix_per_block *dst_w_bpp/128 process_head, 16, 0, unaligned_src, unaligned_mask, 1 .if(src_bpp > 0) &&(mask_bpp==0) &&((flags) &FLAG_PROCESS_PRESERVES_SCRATCH) preload_middle src_bpp, SRC, 1 .elseif(src_bpp==0) &&(mask_bpp > 0) &&((flags) &FLAG_PROCESS_PRESERVES_SCRATCH) preload_middle mask_bpp, MASK, 1 .else preload_middle src_bpp, SRC, 0 preload_middle mask_bpp, MASK, 0 .endif .if(dst_r_bpp > 0) &&((SUBBLOCK % 2)==0) &&(((flags) &FLAG_NO_PRELOAD_DST)==0) PF pld, [DST, #32 *prefetch_distance - dst_alignment] .endif process_tail, 16, 0 .if !((flags) &FLAG_PROCESS_DOES_STORE) pixst, 16, 0, DST .endif .set SUBBLOCK, SUBBLOCK+1 .endr subs X, X, #pix_per_block bhs 110b.endm.macro wide_case_inner_loop_and_trailing_pixels process_head, process_tail, process_inner_loop, exit_label, unaligned_src, unaligned_mask .if dst_r_bpp > tst bne process_inner_loop DST_PRELOAD_BIAS endif preload_trailing SRC preload_trailing MASK DST endif add medium_case_inner_loop_and_trailing_pixels unaligned_mask endm macro medium_case_inner_loop_and_trailing_pixels DST endif subs bhs tst beq exit_label trailing_15bytes unaligned_mask endm macro narrow_case_inner_loop_and_trailing_pixels unaligned_mask tst conditional_process1 trailing_15bytes unaligned_mask endm macro switch_on_alignment exit_label if bne endif if bne endif action if endif if bne endif action if endif endif endm macro end_of_line last_one if SINGLE_SCANLINE ifc b endif else if vars_spilled word LINE_SAVED_REGS endif subs Y
GLint GLint GLint GLint GLint GLint y
Definition: SDL_opengl.h:1574
static uint8_t clampU8(int32_t v)
Definition: yuv_rgb.c:75
uint8_t y_shift
Definition: yuv_rgb.c:15
unsigned char uint8_t
unsigned int uint32_t
int16_t matrix[3][3]
Definition: yuv_rgb.c:16
GLint GLint GLsizei GLsizei height
Definition: SDL_opengl.h:1572
#define V(value)
Definition: yuv_rgb.c:35
GLfloat param

Variable Documentation

◆ RGB2YUV

const RGB2YUVParam RGB2YUV[3]
static
Initial value:
= {
{ 0, {{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)}}},
{ 16, {{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)}}},
{ 16, {{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)}}}
}
#define V(value)
Definition: yuv_rgb.c:35

Definition at line 51 of file yuv_rgb.c.

◆ YUV2RGB

const YUV2RGBParam YUV2RGB[3]
static
Initial value:
= {
{ 0, V(1.0), V(1.402), -V(0.3441), -V(0.7141), V(1.772)},
{ 16, V(1.1644), V(1.596), -V(0.3918), -V(0.813), V(2.0172)},
{ 16, V(1.1644), V(1.7927), -V(0.2132), -V(0.5329), V(2.1124)}
}
#define V(value)
Definition: yuv_rgb.c:35

Definition at line 42 of file yuv_rgb.c.

Referenced by SSE_FUNCTION_NAME(), and STD_FUNCTION_NAME().