Libav
yuv2rgb.c
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1 /*
2  * software YUV to RGB converter
3  *
4  * Copyright (C) 2009 Konstantin Shishkov
5  *
6  * 1,4,8bpp support and context / deglobalize stuff
7  * by Michael Niedermayer (michaelni@gmx.at)
8  *
9  * This file is part of Libav.
10  *
11  * Libav is free software; you can redistribute it and/or
12  * modify it under the terms of the GNU Lesser General Public
13  * License as published by the Free Software Foundation; either
14  * version 2.1 of the License, or (at your option) any later version.
15  *
16  * Libav is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19  * Lesser General Public License for more details.
20  *
21  * You should have received a copy of the GNU Lesser General Public
22  * License along with Libav; if not, write to the Free Software
23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24  */
25 
26 #include <stdio.h>
27 #include <stdlib.h>
28 #include <inttypes.h>
29 #include <assert.h>
30 
31 #include "libavutil/cpu.h"
32 #include "libavutil/bswap.h"
33 #include "config.h"
34 #include "rgb2rgb.h"
35 #include "swscale.h"
36 #include "swscale_internal.h"
37 
38 /* Color space conversion coefficients for YCbCr -> RGB mapping.
39  *
40  * Entries are {crv, cbu, cgu, cgv}
41  *
42  * crv = (255 / 224) * 65536 * (1 - cr) / 0.5
43  * cbu = (255 / 224) * 65536 * (1 - cb) / 0.5
44  * cgu = (255 / 224) * 65536 * (cb / cg) * (1 - cb) / 0.5
45  * cgv = (255 / 224) * 65536 * (cr / cg) * (1 - cr) / 0.5
46  *
47  * where Y = cr * R + cg * G + cb * B and cr + cg + cb = 1.
48  */
49 const int32_t ff_yuv2rgb_coeffs[8][4] = {
50  { 117504, 138453, 13954, 34903 }, /* no sequence_display_extension */
51  { 117504, 138453, 13954, 34903 }, /* ITU-R Rec. 709 (1990) */
52  { 104597, 132201, 25675, 53279 }, /* unspecified */
53  { 104597, 132201, 25675, 53279 }, /* reserved */
54  { 104448, 132798, 24759, 53109 }, /* FCC */
55  { 104597, 132201, 25675, 53279 }, /* ITU-R Rec. 624-4 System B, G */
56  { 104597, 132201, 25675, 53279 }, /* SMPTE 170M */
57  { 117579, 136230, 16907, 35559 } /* SMPTE 240M (1987) */
58 };
59 
60 const int *sws_getCoefficients(int colorspace)
61 {
62  if (colorspace > 7 || colorspace < 0)
63  colorspace = SWS_CS_DEFAULT;
64  return ff_yuv2rgb_coeffs[colorspace];
65 }
66 
67 #define LOADCHROMA(i) \
68  U = pu[i]; \
69  V = pv[i]; \
70  r = (void *)c->table_rV[V]; \
71  g = (void *)(c->table_gU[U] + c->table_gV[V]); \
72  b = (void *)c->table_bU[U];
73 
74 #define PUTRGB(dst, src, i) \
75  Y = src[2 * i]; \
76  dst[2 * i] = r[Y] + g[Y] + b[Y]; \
77  Y = src[2 * i + 1]; \
78  dst[2 * i + 1] = r[Y] + g[Y] + b[Y];
79 
80 #define PUTRGB24(dst, src, i) \
81  Y = src[2 * i]; \
82  dst[6 * i + 0] = r[Y]; \
83  dst[6 * i + 1] = g[Y]; \
84  dst[6 * i + 2] = b[Y]; \
85  Y = src[2 * i + 1]; \
86  dst[6 * i + 3] = r[Y]; \
87  dst[6 * i + 4] = g[Y]; \
88  dst[6 * i + 5] = b[Y];
89 
90 #define PUTBGR24(dst, src, i) \
91  Y = src[2 * i]; \
92  dst[6 * i + 0] = b[Y]; \
93  dst[6 * i + 1] = g[Y]; \
94  dst[6 * i + 2] = r[Y]; \
95  Y = src[2 * i + 1]; \
96  dst[6 * i + 3] = b[Y]; \
97  dst[6 * i + 4] = g[Y]; \
98  dst[6 * i + 5] = r[Y];
99 
100 #define PUTRGBA(dst, ysrc, asrc, i, s) \
101  Y = ysrc[2 * i]; \
102  dst[2 * i] = r[Y] + g[Y] + b[Y] + (asrc[2 * i] << s); \
103  Y = ysrc[2 * i + 1]; \
104  dst[2 * i + 1] = r[Y] + g[Y] + b[Y] + (asrc[2 * i + 1] << s);
105 
106 #define PUTRGB48(dst, src, i) \
107  Y = src[ 2 * i]; \
108  dst[12 * i + 0] = dst[12 * i + 1] = r[Y]; \
109  dst[12 * i + 2] = dst[12 * i + 3] = g[Y]; \
110  dst[12 * i + 4] = dst[12 * i + 5] = b[Y]; \
111  Y = src[ 2 * i + 1]; \
112  dst[12 * i + 6] = dst[12 * i + 7] = r[Y]; \
113  dst[12 * i + 8] = dst[12 * i + 9] = g[Y]; \
114  dst[12 * i + 10] = dst[12 * i + 11] = b[Y];
115 
116 #define PUTBGR48(dst, src, i) \
117  Y = src[2 * i]; \
118  dst[12 * i + 0] = dst[12 * i + 1] = b[Y]; \
119  dst[12 * i + 2] = dst[12 * i + 3] = g[Y]; \
120  dst[12 * i + 4] = dst[12 * i + 5] = r[Y]; \
121  Y = src[2 * i + 1]; \
122  dst[12 * i + 6] = dst[12 * i + 7] = b[Y]; \
123  dst[12 * i + 8] = dst[12 * i + 9] = g[Y]; \
124  dst[12 * i + 10] = dst[12 * i + 11] = r[Y];
125 
126 #define YUV2RGBFUNC(func_name, dst_type, alpha) \
127  static int func_name(SwsContext *c, const uint8_t *src[], \
128  int srcStride[], int srcSliceY, int srcSliceH, \
129  uint8_t *dst[], int dstStride[]) \
130  { \
131  int y; \
132  \
133  if (!alpha && c->srcFormat == AV_PIX_FMT_YUV422P) { \
134  srcStride[1] *= 2; \
135  srcStride[2] *= 2; \
136  } \
137  for (y = 0; y < srcSliceH; y += 2) { \
138  dst_type *dst_1 = \
139  (dst_type *)(dst[0] + (y + srcSliceY) * dstStride[0]); \
140  dst_type *dst_2 = \
141  (dst_type *)(dst[0] + (y + srcSliceY + 1) * dstStride[0]); \
142  dst_type av_unused *r, *g, *b; \
143  const uint8_t *py_1 = src[0] + y * srcStride[0]; \
144  const uint8_t *py_2 = py_1 + srcStride[0]; \
145  const uint8_t *pu = src[1] + (y >> 1) * srcStride[1]; \
146  const uint8_t *pv = src[2] + (y >> 1) * srcStride[2]; \
147  const uint8_t av_unused *pa_1, *pa_2; \
148  unsigned int h_size = c->dstW >> 3; \
149  if (alpha) { \
150  pa_1 = src[3] + y * srcStride[3]; \
151  pa_2 = pa_1 + srcStride[3]; \
152  } \
153  while (h_size--) { \
154  int av_unused U, V, Y; \
155 
156 #define ENDYUV2RGBLINE(dst_delta, ss) \
157  pu += 4 >> ss; \
158  pv += 4 >> ss; \
159  py_1 += 8 >> ss; \
160  py_2 += 8 >> ss; \
161  dst_1 += dst_delta >> ss; \
162  dst_2 += dst_delta >> ss; \
163  } \
164  if (c->dstW & (4 >> ss)) { \
165  int av_unused Y, U, V; \
166 
167 #define ENDYUV2RGBFUNC() \
168  } \
169  } \
170  return srcSliceH; \
171  }
172 
173 #define CLOSEYUV2RGBFUNC(dst_delta) \
174  ENDYUV2RGBLINE(dst_delta, 0) \
175  ENDYUV2RGBFUNC()
176 
177 YUV2RGBFUNC(yuv2rgb_c_48, uint8_t, 0)
178  LOADCHROMA(0);
179  PUTRGB48(dst_1, py_1, 0);
180  PUTRGB48(dst_2, py_2, 0);
181 
182  LOADCHROMA(1);
183  PUTRGB48(dst_2, py_2, 1);
184  PUTRGB48(dst_1, py_1, 1);
185 
186  LOADCHROMA(2);
187  PUTRGB48(dst_1, py_1, 2);
188  PUTRGB48(dst_2, py_2, 2);
189 
190  LOADCHROMA(3);
191  PUTRGB48(dst_2, py_2, 3);
192  PUTRGB48(dst_1, py_1, 3);
193 ENDYUV2RGBLINE(48, 0)
194  LOADCHROMA(0);
195  PUTRGB48(dst_1, py_1, 0);
196  PUTRGB48(dst_2, py_2, 0);
197 
198  LOADCHROMA(1);
199  PUTRGB48(dst_2, py_2, 1);
200  PUTRGB48(dst_1, py_1, 1);
201 ENDYUV2RGBLINE(48, 1)
202  LOADCHROMA(0);
203  PUTRGB48(dst_1, py_1, 0);
204  PUTRGB48(dst_2, py_2, 0);
206 
207 YUV2RGBFUNC(yuv2rgb_c_bgr48, uint8_t, 0)
208  LOADCHROMA(0);
209  PUTBGR48(dst_1, py_1, 0);
210  PUTBGR48(dst_2, py_2, 0);
211 
212  LOADCHROMA(1);
213  PUTBGR48(dst_2, py_2, 1);
214  PUTBGR48(dst_1, py_1, 1);
215 
216  LOADCHROMA(2);
217  PUTBGR48(dst_1, py_1, 2);
218  PUTBGR48(dst_2, py_2, 2);
219 
220  LOADCHROMA(3);
221  PUTBGR48(dst_2, py_2, 3);
222  PUTBGR48(dst_1, py_1, 3);
223 ENDYUV2RGBLINE(48, 0)
224  LOADCHROMA(0);
225  PUTBGR48(dst_1, py_1, 0);
226  PUTBGR48(dst_2, py_2, 0);
227 
228  LOADCHROMA(1);
229  PUTBGR48(dst_2, py_2, 1);
230  PUTBGR48(dst_1, py_1, 1);
231 ENDYUV2RGBLINE(48, 1)
232  LOADCHROMA(0);
233  PUTBGR48(dst_1, py_1, 0);
234  PUTBGR48(dst_2, py_2, 0);
236 
237 YUV2RGBFUNC(yuv2rgb_c_32, uint32_t, 0)
238  LOADCHROMA(0);
239  PUTRGB(dst_1, py_1, 0);
240  PUTRGB(dst_2, py_2, 0);
241 
242  LOADCHROMA(1);
243  PUTRGB(dst_2, py_2, 1);
244  PUTRGB(dst_1, py_1, 1);
245 
246  LOADCHROMA(2);
247  PUTRGB(dst_1, py_1, 2);
248  PUTRGB(dst_2, py_2, 2);
249 
250  LOADCHROMA(3);
251  PUTRGB(dst_2, py_2, 3);
252  PUTRGB(dst_1, py_1, 3);
253 ENDYUV2RGBLINE(8, 0)
254  LOADCHROMA(0);
255  PUTRGB(dst_1, py_1, 0);
256  PUTRGB(dst_2, py_2, 0);
257 
258  LOADCHROMA(1);
259  PUTRGB(dst_2, py_2, 1);
260  PUTRGB(dst_1, py_1, 1);
261 ENDYUV2RGBLINE(8, 1)
262  LOADCHROMA(0);
263  PUTRGB(dst_1, py_1, 0);
264  PUTRGB(dst_2, py_2, 0);
266 
267 YUV2RGBFUNC(yuva2rgba_c, uint32_t, 1)
268  LOADCHROMA(0);
269  PUTRGBA(dst_1, py_1, pa_1, 0, 24);
270  PUTRGBA(dst_2, py_2, pa_2, 0, 24);
271 
272  LOADCHROMA(1);
273  PUTRGBA(dst_2, py_2, pa_2, 1, 24);
274  PUTRGBA(dst_1, py_1, pa_1, 1, 24);
275 
276  LOADCHROMA(2);
277  PUTRGBA(dst_1, py_1, pa_1, 2, 24);
278  PUTRGBA(dst_2, py_2, pa_2, 2, 24);
279 
280  LOADCHROMA(3);
281  PUTRGBA(dst_2, py_2, pa_2, 3, 24);
282  PUTRGBA(dst_1, py_1, pa_1, 3, 24);
283  pa_1 += 8;
284  pa_2 += 8;
285 ENDYUV2RGBLINE(8, 0)
286  LOADCHROMA(0);
287  PUTRGBA(dst_1, py_1, pa_1, 0, 24);
288  PUTRGBA(dst_2, py_2, pa_2, 0, 24);
289 
290  LOADCHROMA(1);
291  PUTRGBA(dst_2, py_2, pa_2, 1, 24);
292  PUTRGBA(dst_1, py_1, pa_1, 1, 24);
293  pa_1 += 4;
294  pa_2 += 4;
295 ENDYUV2RGBLINE(8, 1)
296  LOADCHROMA(0);
297  PUTRGBA(dst_1, py_1, pa_1, 0, 24);
298  PUTRGBA(dst_2, py_2, pa_2, 0, 24);
300 
301 YUV2RGBFUNC(yuva2argb_c, uint32_t, 1)
302  LOADCHROMA(0);
303  PUTRGBA(dst_1, py_1, pa_1, 0, 0);
304  PUTRGBA(dst_2, py_2, pa_2, 0, 0);
305 
306  LOADCHROMA(1);
307  PUTRGBA(dst_2, py_2, pa_2, 1, 0);
308  PUTRGBA(dst_1, py_1, pa_1, 1, 0);
309 
310  LOADCHROMA(2);
311  PUTRGBA(dst_1, py_1, pa_1, 2, 0);
312  PUTRGBA(dst_2, py_2, pa_2, 2, 0);
313 
314  LOADCHROMA(3);
315  PUTRGBA(dst_2, py_2, pa_2, 3, 0);
316  PUTRGBA(dst_1, py_1, pa_1, 3, 0);
317  pa_1 += 8;
318  pa_2 += 8;
319 ENDYUV2RGBLINE(8, 0)
320  LOADCHROMA(0);
321  PUTRGBA(dst_1, py_1, pa_1, 0, 0);
322  PUTRGBA(dst_2, py_2, pa_2, 0, 0);
323 
324  LOADCHROMA(1);
325  PUTRGBA(dst_2, py_2, pa_2, 1, 0);
326  PUTRGBA(dst_1, py_1, pa_1, 1, 0);
327  pa_1 += 4;
328  pa_2 += 4;
329 ENDYUV2RGBLINE(8, 1)
330  LOADCHROMA(0);
331  PUTRGBA(dst_1, py_1, pa_1, 0, 0);
332  PUTRGBA(dst_2, py_2, pa_2, 0, 0);
334 
335 YUV2RGBFUNC(yuv2rgb_c_24_rgb, uint8_t, 0)
336  LOADCHROMA(0);
337  PUTRGB24(dst_1, py_1, 0);
338  PUTRGB24(dst_2, py_2, 0);
339 
340  LOADCHROMA(1);
341  PUTRGB24(dst_2, py_2, 1);
342  PUTRGB24(dst_1, py_1, 1);
343 
344  LOADCHROMA(2);
345  PUTRGB24(dst_1, py_1, 2);
346  PUTRGB24(dst_2, py_2, 2);
347 
348  LOADCHROMA(3);
349  PUTRGB24(dst_2, py_2, 3);
350  PUTRGB24(dst_1, py_1, 3);
351 ENDYUV2RGBLINE(24, 0)
352  LOADCHROMA(0);
353  PUTRGB24(dst_1, py_1, 0);
354  PUTRGB24(dst_2, py_2, 0);
355 
356  LOADCHROMA(1);
357  PUTRGB24(dst_2, py_2, 1);
358  PUTRGB24(dst_1, py_1, 1);
359 ENDYUV2RGBLINE(24, 1)
360  LOADCHROMA(0);
361  PUTRGB24(dst_1, py_1, 0);
362  PUTRGB24(dst_2, py_2, 0);
364 
365 // only trivial mods from yuv2rgb_c_24_rgb
366 YUV2RGBFUNC(yuv2rgb_c_24_bgr, uint8_t, 0)
367  LOADCHROMA(0);
368  PUTBGR24(dst_1, py_1, 0);
369  PUTBGR24(dst_2, py_2, 0);
370 
371  LOADCHROMA(1);
372  PUTBGR24(dst_2, py_2, 1);
373  PUTBGR24(dst_1, py_1, 1);
374 
375  LOADCHROMA(2);
376  PUTBGR24(dst_1, py_1, 2);
377  PUTBGR24(dst_2, py_2, 2);
378 
379  LOADCHROMA(3);
380  PUTBGR24(dst_2, py_2, 3);
381  PUTBGR24(dst_1, py_1, 3);
382 ENDYUV2RGBLINE(24, 0)
383  LOADCHROMA(0);
384  PUTBGR24(dst_1, py_1, 0);
385  PUTBGR24(dst_2, py_2, 0);
386 
387  LOADCHROMA(1);
388  PUTBGR24(dst_2, py_2, 1);
389  PUTBGR24(dst_1, py_1, 1);
390 ENDYUV2RGBLINE(24, 1)
391  LOADCHROMA(0);
392  PUTBGR24(dst_1, py_1, 0);
393  PUTBGR24(dst_2, py_2, 0);
395 
396 // This is exactly the same code as yuv2rgb_c_32 except for the types of
397 // r, g, b, dst_1, dst_2
398 YUV2RGBFUNC(yuv2rgb_c_16, uint16_t, 0)
399  LOADCHROMA(0);
400  PUTRGB(dst_1, py_1, 0);
401  PUTRGB(dst_2, py_2, 0);
402 
403  LOADCHROMA(1);
404  PUTRGB(dst_2, py_2, 1);
405  PUTRGB(dst_1, py_1, 1);
406 
407  LOADCHROMA(2);
408  PUTRGB(dst_1, py_1, 2);
409  PUTRGB(dst_2, py_2, 2);
410 
411  LOADCHROMA(3);
412  PUTRGB(dst_2, py_2, 3);
413  PUTRGB(dst_1, py_1, 3);
415 
416 // r, g, b, dst_1, dst_2
417 YUV2RGBFUNC(yuv2rgb_c_12_ordered_dither, uint16_t, 0)
418  const uint8_t *d16 = ff_dither_4x4_16[y & 3];
419 
420 #define PUTRGB12(dst, src, i, o) \
421  Y = src[2 * i]; \
422  dst[2 * i] = r[Y + d16[0 + o]] + \
423  g[Y + d16[0 + o]] + \
424  b[Y + d16[0 + o]]; \
425  Y = src[2 * i + 1]; \
426  dst[2 * i + 1] = r[Y + d16[1 + o]] + \
427  g[Y + d16[1 + o]] + \
428  b[Y + d16[1 + o]];
429 
430  LOADCHROMA(0);
431  PUTRGB12(dst_1, py_1, 0, 0);
432  PUTRGB12(dst_2, py_2, 0, 0 + 8);
433 
434  LOADCHROMA(1);
435  PUTRGB12(dst_2, py_2, 1, 2 + 8);
436  PUTRGB12(dst_1, py_1, 1, 2);
437 
438  LOADCHROMA(2);
439  PUTRGB12(dst_1, py_1, 2, 4);
440  PUTRGB12(dst_2, py_2, 2, 4 + 8);
441 
442  LOADCHROMA(3);
443  PUTRGB12(dst_2, py_2, 3, 6 + 8);
444  PUTRGB12(dst_1, py_1, 3, 6);
446 
447 // r, g, b, dst_1, dst_2
448 YUV2RGBFUNC(yuv2rgb_c_8_ordered_dither, uint8_t, 0)
449  const uint8_t *d32 = ff_dither_8x8_32[y & 7];
450  const uint8_t *d64 = ff_dither_8x8_73[y & 7];
451 
452 #define PUTRGB8(dst, src, i, o) \
453  Y = src[2 * i]; \
454  dst[2 * i] = r[Y + d32[0 + o]] + \
455  g[Y + d32[0 + o]] + \
456  b[Y + d64[0 + o]]; \
457  Y = src[2 * i + 1]; \
458  dst[2 * i + 1] = r[Y + d32[1 + o]] + \
459  g[Y + d32[1 + o]] + \
460  b[Y + d64[1 + o]];
461 
462  LOADCHROMA(0);
463  PUTRGB8(dst_1, py_1, 0, 0);
464  PUTRGB8(dst_2, py_2, 0, 0 + 8);
465 
466  LOADCHROMA(1);
467  PUTRGB8(dst_2, py_2, 1, 2 + 8);
468  PUTRGB8(dst_1, py_1, 1, 2);
469 
470  LOADCHROMA(2);
471  PUTRGB8(dst_1, py_1, 2, 4);
472  PUTRGB8(dst_2, py_2, 2, 4 + 8);
473 
474  LOADCHROMA(3);
475  PUTRGB8(dst_2, py_2, 3, 6 + 8);
476  PUTRGB8(dst_1, py_1, 3, 6);
478 
479 YUV2RGBFUNC(yuv2rgb_c_4_ordered_dither, uint8_t, 0)
480  const uint8_t * d64 = ff_dither_8x8_73[y & 7];
481  const uint8_t *d128 = ff_dither_8x8_220[y & 7];
482  int acc;
483 
484 #define PUTRGB4D(dst, src, i, o) \
485  Y = src[2 * i]; \
486  acc = r[Y + d128[0 + o]] + \
487  g[Y + d64[0 + o]] + \
488  b[Y + d128[0 + o]]; \
489  Y = src[2 * i + 1]; \
490  acc |= (r[Y + d128[1 + o]] + \
491  g[Y + d64[1 + o]] + \
492  b[Y + d128[1 + o]]) << 4; \
493  dst[i] = acc;
494 
495  LOADCHROMA(0);
496  PUTRGB4D(dst_1, py_1, 0, 0);
497  PUTRGB4D(dst_2, py_2, 0, 0 + 8);
498 
499  LOADCHROMA(1);
500  PUTRGB4D(dst_2, py_2, 1, 2 + 8);
501  PUTRGB4D(dst_1, py_1, 1, 2);
502 
503  LOADCHROMA(2);
504  PUTRGB4D(dst_1, py_1, 2, 4);
505  PUTRGB4D(dst_2, py_2, 2, 4 + 8);
506 
507  LOADCHROMA(3);
508  PUTRGB4D(dst_2, py_2, 3, 6 + 8);
509  PUTRGB4D(dst_1, py_1, 3, 6);
511 
512 YUV2RGBFUNC(yuv2rgb_c_4b_ordered_dither, uint8_t, 0)
513  const uint8_t *d64 = ff_dither_8x8_73[y & 7];
514  const uint8_t *d128 = ff_dither_8x8_220[y & 7];
515 
516 #define PUTRGB4DB(dst, src, i, o) \
517  Y = src[2 * i]; \
518  dst[2 * i] = r[Y + d128[0 + o]] + \
519  g[Y + d64[0 + o]] + \
520  b[Y + d128[0 + o]]; \
521  Y = src[2 * i + 1]; \
522  dst[2 * i + 1] = r[Y + d128[1 + o]] + \
523  g[Y + d64[1 + o]] + \
524  b[Y + d128[1 + o]];
525 
526  LOADCHROMA(0);
527  PUTRGB4DB(dst_1, py_1, 0, 0);
528  PUTRGB4DB(dst_2, py_2, 0, 0 + 8);
529 
530  LOADCHROMA(1);
531  PUTRGB4DB(dst_2, py_2, 1, 2 + 8);
532  PUTRGB4DB(dst_1, py_1, 1, 2);
533 
534  LOADCHROMA(2);
535  PUTRGB4DB(dst_1, py_1, 2, 4);
536  PUTRGB4DB(dst_2, py_2, 2, 4 + 8);
537 
538  LOADCHROMA(3);
539  PUTRGB4DB(dst_2, py_2, 3, 6 + 8);
540  PUTRGB4DB(dst_1, py_1, 3, 6);
542 
543 YUV2RGBFUNC(yuv2rgb_c_1_ordered_dither, uint8_t, 0)
544  const uint8_t *d128 = ff_dither_8x8_220[y & 7];
545  char out_1 = 0, out_2 = 0;
546  g = c->table_gU[128] + c->table_gV[128];
547 
548 #define PUTRGB1(out, src, i, o) \
549  Y = src[2 * i]; \
550  out += out + g[Y + d128[0 + o]]; \
551  Y = src[2 * i + 1]; \
552  out += out + g[Y + d128[1 + o]];
553 
554  PUTRGB1(out_1, py_1, 0, 0);
555  PUTRGB1(out_2, py_2, 0, 0 + 8);
556 
557  PUTRGB1(out_2, py_2, 1, 2 + 8);
558  PUTRGB1(out_1, py_1, 1, 2);
559 
560  PUTRGB1(out_1, py_1, 2, 4);
561  PUTRGB1(out_2, py_2, 2, 4 + 8);
562 
563  PUTRGB1(out_2, py_2, 3, 6 + 8);
564  PUTRGB1(out_1, py_1, 3, 6);
565 
566  dst_1[0] = out_1;
567  dst_2[0] = out_2;
569 
571 {
572  SwsFunc t = NULL;
573 
574  if (ARCH_PPC)
575  t = ff_yuv2rgb_init_ppc(c);
576  if (ARCH_X86)
577  t = ff_yuv2rgb_init_x86(c);
578 
579  if (t)
580  return t;
581 
583  "No accelerated colorspace conversion found from %s to %s.\n",
584  sws_format_name(c->srcFormat), sws_format_name(c->dstFormat));
585 
586  switch (c->dstFormat) {
587  case AV_PIX_FMT_BGR48BE:
588  case AV_PIX_FMT_BGR48LE:
589  return yuv2rgb_c_bgr48;
590  case AV_PIX_FMT_RGB48BE:
591  case AV_PIX_FMT_RGB48LE:
592  return yuv2rgb_c_48;
593  case AV_PIX_FMT_ARGB:
594  case AV_PIX_FMT_ABGR:
595  if (CONFIG_SWSCALE_ALPHA && c->srcFormat == AV_PIX_FMT_YUVA420P)
596  return yuva2argb_c;
597  case AV_PIX_FMT_RGBA:
598  case AV_PIX_FMT_BGRA:
599  if (CONFIG_SWSCALE_ALPHA && c->srcFormat == AV_PIX_FMT_YUVA420P)
600  return yuva2rgba_c;
601  else
602  return yuv2rgb_c_32;
603  case AV_PIX_FMT_RGB24:
604  return yuv2rgb_c_24_rgb;
605  case AV_PIX_FMT_BGR24:
606  return yuv2rgb_c_24_bgr;
607  case AV_PIX_FMT_RGB565:
608  case AV_PIX_FMT_BGR565:
609  case AV_PIX_FMT_RGB555:
610  case AV_PIX_FMT_BGR555:
611  return yuv2rgb_c_16;
612  case AV_PIX_FMT_RGB444:
613  case AV_PIX_FMT_BGR444:
614  return yuv2rgb_c_12_ordered_dither;
615  case AV_PIX_FMT_RGB8:
616  case AV_PIX_FMT_BGR8:
617  return yuv2rgb_c_8_ordered_dither;
618  case AV_PIX_FMT_RGB4:
619  case AV_PIX_FMT_BGR4:
620  return yuv2rgb_c_4_ordered_dither;
623  return yuv2rgb_c_4b_ordered_dither;
625  return yuv2rgb_c_1_ordered_dither;
626  default:
627  assert(0);
628  }
629  return NULL;
630 }
631 
632 static void fill_table(uint8_t *table[256], const int elemsize,
633  const int inc, void *y_tab)
634 {
635  int i;
636  int64_t cb = 0;
637  uint8_t *y_table = y_tab;
638 
639  y_table -= elemsize * (inc >> 9);
640 
641  for (i = 0; i < 256; i++) {
642  table[i] = y_table + elemsize * (cb >> 16);
643  cb += inc;
644  }
645 }
646 
647 static void fill_gv_table(int table[256], const int elemsize, const int inc)
648 {
649  int i;
650  int64_t cb = 0;
651  int off = -(inc >> 9);
652 
653  for (i = 0; i < 256; i++) {
654  table[i] = elemsize * (off + (cb >> 16));
655  cb += inc;
656  }
657 }
658 
659 static uint16_t roundToInt16(int64_t f)
660 {
661  int r = (f + (1 << 15)) >> 16;
662 
663  if (r < -0x7FFF)
664  return 0x8000;
665  else if (r > 0x7FFF)
666  return 0x7FFF;
667  else
668  return r;
669 }
670 
671 av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4],
672  int fullRange, int brightness,
673  int contrast, int saturation)
674 {
675  const int isRgb = c->dstFormat == AV_PIX_FMT_RGB32 ||
677  c->dstFormat == AV_PIX_FMT_BGR24 ||
684  c->dstFormat == AV_PIX_FMT_RGB8 ||
685  c->dstFormat == AV_PIX_FMT_RGB4 ||
688  const int isNotNe = c->dstFormat == AV_PIX_FMT_NE(RGB565LE, RGB565BE) ||
689  c->dstFormat == AV_PIX_FMT_NE(RGB555LE, RGB555BE) ||
690  c->dstFormat == AV_PIX_FMT_NE(RGB444LE, RGB444BE) ||
691  c->dstFormat == AV_PIX_FMT_NE(BGR565LE, BGR565BE) ||
692  c->dstFormat == AV_PIX_FMT_NE(BGR555LE, BGR555BE) ||
693  c->dstFormat == AV_PIX_FMT_NE(BGR444LE, BGR444BE);
694  const int bpp = c->dstFormatBpp;
695  uint8_t *y_table;
696  uint16_t *y_table16;
697  uint32_t *y_table32;
698  int i, base, rbase, gbase, bbase, abase, needAlpha;
699  const int yoffs = fullRange ? 384 : 326;
700 
701  int64_t crv = inv_table[0];
702  int64_t cbu = inv_table[1];
703  int64_t cgu = -inv_table[2];
704  int64_t cgv = -inv_table[3];
705  int64_t cy = 1 << 16;
706  int64_t oy = 0;
707  int64_t yb = 0;
708 
709  if (!fullRange) {
710  cy = (cy * 255) / 219;
711  oy = 16 << 16;
712  } else {
713  crv = (crv * 224) / 255;
714  cbu = (cbu * 224) / 255;
715  cgu = (cgu * 224) / 255;
716  cgv = (cgv * 224) / 255;
717  }
718 
719  cy = (cy * contrast) >> 16;
720  crv = (crv * contrast * saturation) >> 32;
721  cbu = (cbu * contrast * saturation) >> 32;
722  cgu = (cgu * contrast * saturation) >> 32;
723  cgv = (cgv * contrast * saturation) >> 32;
724  oy -= 256 * brightness;
725 
726  c->uOffset = 0x0400040004000400LL;
727  c->vOffset = 0x0400040004000400LL;
728  c->yCoeff = roundToInt16(cy * 8192) * 0x0001000100010001ULL;
729  c->vrCoeff = roundToInt16(crv * 8192) * 0x0001000100010001ULL;
730  c->ubCoeff = roundToInt16(cbu * 8192) * 0x0001000100010001ULL;
731  c->vgCoeff = roundToInt16(cgv * 8192) * 0x0001000100010001ULL;
732  c->ugCoeff = roundToInt16(cgu * 8192) * 0x0001000100010001ULL;
733  c->yOffset = roundToInt16(oy * 8) * 0x0001000100010001ULL;
734 
735  c->yuv2rgb_y_coeff = (int16_t)roundToInt16(cy << 13);
736  c->yuv2rgb_y_offset = (int16_t)roundToInt16(oy << 9);
737  c->yuv2rgb_v2r_coeff = (int16_t)roundToInt16(crv << 13);
738  c->yuv2rgb_v2g_coeff = (int16_t)roundToInt16(cgv << 13);
739  c->yuv2rgb_u2g_coeff = (int16_t)roundToInt16(cgu << 13);
740  c->yuv2rgb_u2b_coeff = (int16_t)roundToInt16(cbu << 13);
741 
742  //scale coefficients by cy
743  crv = ((crv << 16) + 0x8000) / cy;
744  cbu = ((cbu << 16) + 0x8000) / cy;
745  cgu = ((cgu << 16) + 0x8000) / cy;
746  cgv = ((cgv << 16) + 0x8000) / cy;
747 
748  av_free(c->yuvTable);
749 
750 #define ALLOC_YUV_TABLE(x) \
751  c->yuvTable = av_malloc(x); \
752  if (!c->yuvTable) \
753  return AVERROR(ENOMEM);
754  switch (bpp) {
755  case 1:
756  ALLOC_YUV_TABLE(1024);
757  y_table = c->yuvTable;
758  yb = -(384 << 16) - oy;
759  for (i = 0; i < 1024 - 110; i++) {
760  y_table[i + 110] = av_clip_uint8((yb + 0x8000) >> 16) >> 7;
761  yb += cy;
762  }
763  fill_table(c->table_gU, 1, cgu, y_table + yoffs);
764  fill_gv_table(c->table_gV, 1, cgv);
765  break;
766  case 4:
767  case 4 | 128:
768  rbase = isRgb ? 3 : 0;
769  gbase = 1;
770  bbase = isRgb ? 0 : 3;
771  ALLOC_YUV_TABLE(1024 * 3);
772  y_table = c->yuvTable;
773  yb = -(384 << 16) - oy;
774  for (i = 0; i < 1024 - 110; i++) {
775  int yval = av_clip_uint8((yb + 0x8000) >> 16);
776  y_table[i + 110] = (yval >> 7) << rbase;
777  y_table[i + 37 + 1024] = ((yval + 43) / 85) << gbase;
778  y_table[i + 110 + 2048] = (yval >> 7) << bbase;
779  yb += cy;
780  }
781  fill_table(c->table_rV, 1, crv, y_table + yoffs);
782  fill_table(c->table_gU, 1, cgu, y_table + yoffs + 1024);
783  fill_table(c->table_bU, 1, cbu, y_table + yoffs + 2048);
784  fill_gv_table(c->table_gV, 1, cgv);
785  break;
786  case 8:
787  rbase = isRgb ? 5 : 0;
788  gbase = isRgb ? 2 : 3;
789  bbase = isRgb ? 0 : 6;
790  ALLOC_YUV_TABLE(1024 * 3);
791  y_table = c->yuvTable;
792  yb = -(384 << 16) - oy;
793  for (i = 0; i < 1024 - 38; i++) {
794  int yval = av_clip_uint8((yb + 0x8000) >> 16);
795  y_table[i + 16] = ((yval + 18) / 36) << rbase;
796  y_table[i + 16 + 1024] = ((yval + 18) / 36) << gbase;
797  y_table[i + 37 + 2048] = ((yval + 43) / 85) << bbase;
798  yb += cy;
799  }
800  fill_table(c->table_rV, 1, crv, y_table + yoffs);
801  fill_table(c->table_gU, 1, cgu, y_table + yoffs + 1024);
802  fill_table(c->table_bU, 1, cbu, y_table + yoffs + 2048);
803  fill_gv_table(c->table_gV, 1, cgv);
804  break;
805  case 12:
806  rbase = isRgb ? 8 : 0;
807  gbase = 4;
808  bbase = isRgb ? 0 : 8;
809  ALLOC_YUV_TABLE(1024 * 3 * 2);
810  y_table16 = c->yuvTable;
811  yb = -(384 << 16) - oy;
812  for (i = 0; i < 1024; i++) {
813  uint8_t yval = av_clip_uint8((yb + 0x8000) >> 16);
814  y_table16[i] = (yval >> 4) << rbase;
815  y_table16[i + 1024] = (yval >> 4) << gbase;
816  y_table16[i + 2048] = (yval >> 4) << bbase;
817  yb += cy;
818  }
819  if (isNotNe)
820  for (i = 0; i < 1024 * 3; i++)
821  y_table16[i] = av_bswap16(y_table16[i]);
822  fill_table(c->table_rV, 2, crv, y_table16 + yoffs);
823  fill_table(c->table_gU, 2, cgu, y_table16 + yoffs + 1024);
824  fill_table(c->table_bU, 2, cbu, y_table16 + yoffs + 2048);
825  fill_gv_table(c->table_gV, 2, cgv);
826  break;
827  case 15:
828  case 16:
829  rbase = isRgb ? bpp - 5 : 0;
830  gbase = 5;
831  bbase = isRgb ? 0 : (bpp - 5);
832  ALLOC_YUV_TABLE(1024 * 3 * 2);
833  y_table16 = c->yuvTable;
834  yb = -(384 << 16) - oy;
835  for (i = 0; i < 1024; i++) {
836  uint8_t yval = av_clip_uint8((yb + 0x8000) >> 16);
837  y_table16[i] = (yval >> 3) << rbase;
838  y_table16[i + 1024] = (yval >> (18 - bpp)) << gbase;
839  y_table16[i + 2048] = (yval >> 3) << bbase;
840  yb += cy;
841  }
842  if (isNotNe)
843  for (i = 0; i < 1024 * 3; i++)
844  y_table16[i] = av_bswap16(y_table16[i]);
845  fill_table(c->table_rV, 2, crv, y_table16 + yoffs);
846  fill_table(c->table_gU, 2, cgu, y_table16 + yoffs + 1024);
847  fill_table(c->table_bU, 2, cbu, y_table16 + yoffs + 2048);
848  fill_gv_table(c->table_gV, 2, cgv);
849  break;
850  case 24:
851  case 48:
852  ALLOC_YUV_TABLE(1024);
853  y_table = c->yuvTable;
854  yb = -(384 << 16) - oy;
855  for (i = 0; i < 1024; i++) {
856  y_table[i] = av_clip_uint8((yb + 0x8000) >> 16);
857  yb += cy;
858  }
859  fill_table(c->table_rV, 1, crv, y_table + yoffs);
860  fill_table(c->table_gU, 1, cgu, y_table + yoffs);
861  fill_table(c->table_bU, 1, cbu, y_table + yoffs);
862  fill_gv_table(c->table_gV, 1, cgv);
863  break;
864  case 32:
865  base = (c->dstFormat == AV_PIX_FMT_RGB32_1 ||
866  c->dstFormat == AV_PIX_FMT_BGR32_1) ? 8 : 0;
867  rbase = base + (isRgb ? 16 : 0);
868  gbase = base + 8;
869  bbase = base + (isRgb ? 0 : 16);
870  needAlpha = CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat);
871  if (!needAlpha)
872  abase = (base + 24) & 31;
873  ALLOC_YUV_TABLE(1024 * 3 * 4);
874  y_table32 = c->yuvTable;
875  yb = -(384 << 16) - oy;
876  for (i = 0; i < 1024; i++) {
877  unsigned yval = av_clip_uint8((yb + 0x8000) >> 16);
878  y_table32[i] = (yval << rbase) +
879  (needAlpha ? 0 : (255u << abase));
880  y_table32[i + 1024] = yval << gbase;
881  y_table32[i + 2048] = yval << bbase;
882  yb += cy;
883  }
884  fill_table(c->table_rV, 4, crv, y_table32 + yoffs);
885  fill_table(c->table_gU, 4, cgu, y_table32 + yoffs + 1024);
886  fill_table(c->table_bU, 4, cbu, y_table32 + yoffs + 2048);
887  fill_gv_table(c->table_gV, 4, cgv);
888  break;
889  default:
890  c->yuvTable = NULL;
891  if(!isPlanar(c->dstFormat) || bpp <= 24)
892  av_log(c, AV_LOG_ERROR, "%ibpp not supported by yuv2rgb\n", bpp);
893  return -1;
894  }
895  return 0;
896 }
uint64_t vrCoeff
dst_1[0]
Definition: yuv2rgb.c:566
const char * sws_format_name(enum AVPixelFormat format)
Definition: utils.c:210
char out_2
Definition: yuv2rgb.c:545
const int32_t ff_yuv2rgb_coeffs[8][4]
Definition: yuv2rgb.c:49
pa_1
Definition: yuv2rgb.c:283
#define ARCH_PPC
Definition: config.h:24
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:130
packed RGB 8:8:8, 24bpp, RGBRGB...
Definition: pixfmt.h:61
packed RGB 1:2:1 bitstream, 4bpp, (msb)1B 2G 1R(lsb), a byte contains two pixels, the first pixel in ...
Definition: pixfmt.h:81
int acc
Definition: yuv2rgb.c:482
static void fill_table(uint8_t *table[256], const int elemsize, const int inc, void *y_tab)
Definition: yuv2rgb.c:632
av_cold SwsFunc ff_yuv2rgb_init_x86(SwsContext *c)
Definition: yuv2rgb.c:72
packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), little-endian, most significant bit to 0 ...
Definition: pixfmt.h:112
av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (%s)\, len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt), use_generic ? ac->func_descr_generic :ac->func_descr)
#define av_bswap16
Definition: bswap.h:31
int dstFormatBpp
Number of bits per pixel of the destination pixel format.
#define ALLOC_YUV_TABLE(x)
packed RGB 4:4:4, 16bpp, (msb)4A 4R 4G 4B(lsb), big-endian, most significant bits to 0 ...
Definition: pixfmt.h:140
#define PUTBGR24(dst, src, i)
Definition: yuv2rgb.c:90
#define AV_PIX_FMT_RGB444
Definition: pixfmt.h:252
packed RGB 1:2:1 bitstream, 4bpp, (msb)1R 2G 1B(lsb), a byte contains two pixels, the first pixel in ...
Definition: pixfmt.h:84
uint64_t ubCoeff
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), little-endian
Definition: pixfmt.h:110
packed RGB 1:2:1, 8bpp, (msb)1B 2G 1R(lsb)
Definition: pixfmt.h:82
#define PUTRGB(dst, src, i)
Definition: yuv2rgb.c:74
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:98
uint8_t
#define av_cold
Definition: attributes.h:66
packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as lit...
Definition: pixfmt.h:107
uint8_t * table_bU[256]
packed RGB 4:4:4, 16bpp, (msb)4A 4R 4G 4B(lsb), little-endian, most significant bits to 0 ...
Definition: pixfmt.h:139
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), big-endian
Definition: pixfmt.h:109
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
Definition: pixfmt.h:91
uint64_t yOffset
external api for the swscale stuff
enum AVPixelFormat dstFormat
Destination pixel format.
#define isALPHA(x)
Definition: swscale.c:50
#define PUTRGBA(dst, ysrc, asrc, i, s)
Definition: yuv2rgb.c:100
#define r
Definition: input.c:51
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:124
#define AV_PIX_FMT_BGR32_1
Definition: pixfmt.h:245
void av_free(void *ptr)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc(). ...
Definition: mem.c:190
#define AV_PIX_FMT_NE(be, le)
Definition: pixfmt.h:239
#define PUTBGR48(dst, src, i)
Definition: yuv2rgb.c:116
#define ARCH_X86
Definition: config.h:33
const uint8_t * d64
Definition: yuv2rgb.c:450
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
Definition: pixfmt.h:92
g
Definition: yuv2rgb.c:546
#define ENDYUV2RGBFUNC()
Definition: yuv2rgb.c:167
const uint8_t ff_dither_8x8_32[8][8]
Definition: output.c:55
uint64_t ugCoeff
#define SWS_CS_DEFAULT
Definition: swscale.h:93
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
Definition: pixfmt.h:89
packed RGB 16:16:16, 48bpp, 16B, 16G, 16R, the 2-byte value for each R/G/B component is stored as lit...
Definition: pixfmt.h:148
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
Definition: pixfmt.h:90
#define YUV2RGBFUNC(func_name, dst_type, alpha)
Definition: yuv2rgb.c:126
static uint16_t roundToInt16(int64_t f)
Definition: yuv2rgb.c:659
packed RGB 1:2:1, 8bpp, (msb)1R 2G 1B(lsb)
Definition: pixfmt.h:85
uint64_t vgCoeff
uint64_t uOffset
int32_t
int table_gV[256]
const int * sws_getCoefficients(int colorspace)
Return a pointer to yuv<->rgb coefficients for the given colorspace suitable for sws_setColorspaceDet...
Definition: yuv2rgb.c:60
packed RGB 8:8:8, 24bpp, BGRBGR...
Definition: pixfmt.h:62
const uint8_t ff_dither_4x4_16[4][8]
Definition: output.c:48
#define PUTRGB4D(dst, src, i, o)
Definition: yuv2rgb.c:484
packed RGB 16:16:16, 48bpp, 16B, 16G, 16R, the 2-byte value for each R/G/B component is stored as big...
Definition: pixfmt.h:147
av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation)
Definition: yuv2rgb.c:671
int(* SwsFunc)(struct SwsContext *context, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[])
const uint8_t * d16
Definition: yuv2rgb.c:418
#define AV_PIX_FMT_BGR555
Definition: pixfmt.h:256
NULL
Definition: eval.c:55
packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb)
Definition: pixfmt.h:80
#define CLOSEYUV2RGBFUNC(dst_delta)
Definition: yuv2rgb.c:173
SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c)
Definition: yuv2rgb.c:570
static av_always_inline int isPlanar(enum AVPixelFormat pix_fmt)
#define PUTRGB12(dst, src, i, o)
Definition: yuv2rgb.c:420
#define AV_PIX_FMT_RGB32
Definition: pixfmt.h:242
uint8_t * table_gU[256]
const uint8_t ff_dither_8x8_220[8][8]
Definition: output.c:78
byte swapping routines
#define ENDYUV2RGBLINE(dst_delta, ss)
Definition: yuv2rgb.c:156
pa_2
Definition: yuv2rgb.c:284
#define u(width,...)
#define AV_PIX_FMT_BGR565
Definition: pixfmt.h:255
av_cold SwsFunc ff_yuv2rgb_init_ppc(SwsContext *c)
packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), big-endian, most significant bit to 0 ...
Definition: pixfmt.h:111
const uint8_t ff_dither_8x8_73[8][8]
Definition: output.c:66
#define PUTRGB48(dst, src, i)
Definition: yuv2rgb.c:106
Y , 1bpp, 0 is black, 1 is white, in each byte pixels are ordered from the msb to the lsb...
Definition: pixfmt.h:69
#define CONFIG_SWSCALE_ALPHA
Definition: config.h:408
#define PUTRGB4DB(dst, src, i, o)
Definition: yuv2rgb.c:516
packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as big...
Definition: pixfmt.h:106
#define PUTRGB8(dst, src, i, o)
Definition: yuv2rgb.c:452
#define AV_PIX_FMT_BGR444
Definition: pixfmt.h:257
enum AVPixelFormat srcFormat
Source pixel format.
const uint8_t * d128
Definition: yuv2rgb.c:481
packed RGB 3:3:2, 8bpp, (msb)2R 3G 3B(lsb)
Definition: pixfmt.h:83
#define AV_PIX_FMT_RGB555
Definition: pixfmt.h:251
#define PUTRGB1(out, src, i, o)
Definition: yuv2rgb.c:548
static void fill_gv_table(int table[256], const int elemsize, const int inc)
Definition: yuv2rgb.c:647
#define AV_PIX_FMT_RGB32_1
Definition: pixfmt.h:243
char out_1
Definition: yuv2rgb.c:545
uint64_t yCoeff
#define AV_PIX_FMT_RGB565
Definition: pixfmt.h:250
#define LOADCHROMA(i)
Definition: yuv2rgb.c:67
dst_2[0]
Definition: yuv2rgb.c:567
const uint8_t * d32
Definition: yuv2rgb.c:449
uint8_t * table_rV[256]
uint64_t vOffset
#define PUTRGB24(dst, src, i)
Definition: yuv2rgb.c:80