FFmpeg  4.4.6
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 FFmpeg.
10  *
11  * FFmpeg 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  * FFmpeg 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 FFmpeg; 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 
30 #include "libavutil/cpu.h"
31 #include "libavutil/bswap.h"
32 #include "config.h"
33 #include "rgb2rgb.h"
34 #include "swscale.h"
35 #include "swscale_internal.h"
36 #include "libavutil/pixdesc.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[11][4] = {
50  { 117489, 138438, 13975, 34925 }, /* no sequence_display_extension */
51  { 117489, 138438, 13975, 34925 }, /* 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  { 0 }, /* YCgCo */
59  { 110013, 140363, 12277, 42626 }, /* Bt-2020-NCL */
60  { 110013, 140363, 12277, 42626 }, /* Bt-2020-CL */
61 };
62 
63 const int *sws_getCoefficients(int colorspace)
64 {
65  if (colorspace > 10 || colorspace < 0 || colorspace == 8)
66  colorspace = SWS_CS_DEFAULT;
67  return ff_yuv2rgb_coeffs[colorspace];
68 }
69 
70 #define LOADCHROMA(i) \
71  U = pu[i]; \
72  V = pv[i]; \
73  r = (void *)c->table_rV[V+YUVRGB_TABLE_HEADROOM]; \
74  g = (void *)(c->table_gU[U+YUVRGB_TABLE_HEADROOM] + c->table_gV[V+YUVRGB_TABLE_HEADROOM]); \
75  b = (void *)c->table_bU[U+YUVRGB_TABLE_HEADROOM];
76 
77 #define PUTRGB(dst, src, i) \
78  Y = src[2 * i]; \
79  dst[2 * i] = r[Y] + g[Y] + b[Y]; \
80  Y = src[2 * i + 1]; \
81  dst[2 * i + 1] = r[Y] + g[Y] + b[Y];
82 
83 #define PUTRGB24(dst, src, i) \
84  Y = src[2 * i]; \
85  dst[6 * i + 0] = r[Y]; \
86  dst[6 * i + 1] = g[Y]; \
87  dst[6 * i + 2] = b[Y]; \
88  Y = src[2 * i + 1]; \
89  dst[6 * i + 3] = r[Y]; \
90  dst[6 * i + 4] = g[Y]; \
91  dst[6 * i + 5] = b[Y];
92 
93 #define PUTBGR24(dst, src, i) \
94  Y = src[2 * i]; \
95  dst[6 * i + 0] = b[Y]; \
96  dst[6 * i + 1] = g[Y]; \
97  dst[6 * i + 2] = r[Y]; \
98  Y = src[2 * i + 1]; \
99  dst[6 * i + 3] = b[Y]; \
100  dst[6 * i + 4] = g[Y]; \
101  dst[6 * i + 5] = r[Y];
102 
103 #define PUTRGBA(dst, ysrc, asrc, i, s) \
104  Y = ysrc[2 * i]; \
105  dst[2 * i] = r[Y] + g[Y] + b[Y] + (asrc[2 * i] << s); \
106  Y = ysrc[2 * i + 1]; \
107  dst[2 * i + 1] = r[Y] + g[Y] + b[Y] + (asrc[2 * i + 1] << s);
108 
109 #define PUTRGB48(dst, src, i) \
110  Y = src[ 2 * i]; \
111  dst[12 * i + 0] = dst[12 * i + 1] = r[Y]; \
112  dst[12 * i + 2] = dst[12 * i + 3] = g[Y]; \
113  dst[12 * i + 4] = dst[12 * i + 5] = b[Y]; \
114  Y = src[ 2 * i + 1]; \
115  dst[12 * i + 6] = dst[12 * i + 7] = r[Y]; \
116  dst[12 * i + 8] = dst[12 * i + 9] = g[Y]; \
117  dst[12 * i + 10] = dst[12 * i + 11] = b[Y];
118 
119 #define PUTBGR48(dst, src, i) \
120  Y = src[2 * i]; \
121  dst[12 * i + 0] = dst[12 * i + 1] = b[Y]; \
122  dst[12 * i + 2] = dst[12 * i + 3] = g[Y]; \
123  dst[12 * i + 4] = dst[12 * i + 5] = r[Y]; \
124  Y = src[2 * i + 1]; \
125  dst[12 * i + 6] = dst[12 * i + 7] = b[Y]; \
126  dst[12 * i + 8] = dst[12 * i + 9] = g[Y]; \
127  dst[12 * i + 10] = dst[12 * i + 11] = r[Y];
128 
129 #define YUV2RGBFUNC(func_name, dst_type, alpha) \
130  static int func_name(SwsContext *c, const uint8_t *src[], \
131  int srcStride[], int srcSliceY, int srcSliceH, \
132  uint8_t *dst[], int dstStride[]) \
133  { \
134  int y; \
135  \
136  if (!alpha && c->srcFormat == AV_PIX_FMT_YUV422P) { \
137  srcStride[1] *= 2; \
138  srcStride[2] *= 2; \
139  } \
140  for (y = 0; y < srcSliceH; y += 2) { \
141  int yd = y + srcSliceY; \
142  dst_type *dst_1 = \
143  (dst_type *)(dst[0] + (yd) * dstStride[0]); \
144  dst_type *dst_2 = \
145  (dst_type *)(dst[0] + (yd + 1) * dstStride[0]); \
146  dst_type av_unused *r, *g, *b; \
147  const uint8_t *py_1 = src[0] + y * srcStride[0]; \
148  const uint8_t *py_2 = py_1 + srcStride[0]; \
149  const uint8_t *pu = src[1] + (y >> 1) * srcStride[1]; \
150  const uint8_t *pv = src[2] + (y >> 1) * srcStride[2]; \
151  const uint8_t av_unused *pa_1, *pa_2; \
152  unsigned int h_size = c->dstW >> 3; \
153  if (alpha) { \
154  pa_1 = src[3] + y * srcStride[3]; \
155  pa_2 = pa_1 + srcStride[3]; \
156  } \
157  while (h_size--) { \
158  int av_unused U, V, Y; \
159 
160 #define ENDYUV2RGBLINE(dst_delta, ss) \
161  pu += 4 >> ss; \
162  pv += 4 >> ss; \
163  py_1 += 8 >> ss; \
164  py_2 += 8 >> ss; \
165  dst_1 += dst_delta >> ss; \
166  dst_2 += dst_delta >> ss; \
167  } \
168  if (c->dstW & (4 >> ss)) { \
169  int av_unused Y, U, V; \
170 
171 #define ENDYUV2RGBFUNC() \
172  } \
173  } \
174  return srcSliceH; \
175  }
176 
177 #define CLOSEYUV2RGBFUNC(dst_delta) \
178  ENDYUV2RGBLINE(dst_delta, 0) \
179  ENDYUV2RGBFUNC()
180 
181 YUV2RGBFUNC(yuv2rgb_c_48, uint8_t, 0)
183  PUTRGB48(dst_1, py_1, 0);
184  PUTRGB48(dst_2, py_2, 0);
185 
187  PUTRGB48(dst_2, py_2, 1);
188  PUTRGB48(dst_1, py_1, 1);
189 
191  PUTRGB48(dst_1, py_1, 2);
192  PUTRGB48(dst_2, py_2, 2);
193 
195  PUTRGB48(dst_2, py_2, 3);
196  PUTRGB48(dst_1, py_1, 3);
197 ENDYUV2RGBLINE(48, 0)
198  LOADCHROMA(0);
199  PUTRGB48(dst_1, py_1, 0);
200  PUTRGB48(dst_2, py_2, 0);
201 
202  LOADCHROMA(1);
203  PUTRGB48(dst_2, py_2, 1);
204  PUTRGB48(dst_1, py_1, 1);
205 ENDYUV2RGBLINE(48, 1)
206  LOADCHROMA(0);
207  PUTRGB48(dst_1, py_1, 0);
208  PUTRGB48(dst_2, py_2, 0);
210 
211 YUV2RGBFUNC(yuv2rgb_c_bgr48, uint8_t, 0)
212  LOADCHROMA(0);
213  PUTBGR48(dst_1, py_1, 0);
214  PUTBGR48(dst_2, py_2, 0);
215 
216  LOADCHROMA(1);
217  PUTBGR48(dst_2, py_2, 1);
218  PUTBGR48(dst_1, py_1, 1);
219 
220  LOADCHROMA(2);
221  PUTBGR48(dst_1, py_1, 2);
222  PUTBGR48(dst_2, py_2, 2);
223 
224  LOADCHROMA(3);
225  PUTBGR48(dst_2, py_2, 3);
226  PUTBGR48(dst_1, py_1, 3);
227 ENDYUV2RGBLINE(48, 0)
228  LOADCHROMA(0);
229  PUTBGR48(dst_1, py_1, 0);
230  PUTBGR48(dst_2, py_2, 0);
231 
232  LOADCHROMA(1);
233  PUTBGR48(dst_2, py_2, 1);
234  PUTBGR48(dst_1, py_1, 1);
235 ENDYUV2RGBLINE(48, 1)
236  LOADCHROMA(0);
237  PUTBGR48(dst_1, py_1, 0);
238  PUTBGR48(dst_2, py_2, 0);
240 
241 YUV2RGBFUNC(yuv2rgb_c_32, uint32_t, 0)
242  LOADCHROMA(0);
243  PUTRGB(dst_1, py_1, 0);
244  PUTRGB(dst_2, py_2, 0);
245 
246  LOADCHROMA(1);
247  PUTRGB(dst_2, py_2, 1);
248  PUTRGB(dst_1, py_1, 1);
249 
250  LOADCHROMA(2);
251  PUTRGB(dst_1, py_1, 2);
252  PUTRGB(dst_2, py_2, 2);
253 
254  LOADCHROMA(3);
255  PUTRGB(dst_2, py_2, 3);
256  PUTRGB(dst_1, py_1, 3);
257 ENDYUV2RGBLINE(8, 0)
258  LOADCHROMA(0);
259  PUTRGB(dst_1, py_1, 0);
260  PUTRGB(dst_2, py_2, 0);
261 
262  LOADCHROMA(1);
263  PUTRGB(dst_2, py_2, 1);
264  PUTRGB(dst_1, py_1, 1);
265 ENDYUV2RGBLINE(8, 1)
266  LOADCHROMA(0);
267  PUTRGB(dst_1, py_1, 0);
268  PUTRGB(dst_2, py_2, 0);
270 
271 #if HAVE_BIGENDIAN
272 YUV2RGBFUNC(yuva2argb_c, uint32_t, 1)
273 #else
274 YUV2RGBFUNC(yuva2rgba_c, uint32_t, 1)
275 #endif
276  LOADCHROMA(0);
277  PUTRGBA(dst_1, py_1, pa_1, 0, 24);
278  PUTRGBA(dst_2, py_2, pa_2, 0, 24);
279 
280  LOADCHROMA(1);
281  PUTRGBA(dst_2, py_2, pa_2, 1, 24);
282  PUTRGBA(dst_1, py_1, pa_1, 1, 24);
283 
284  LOADCHROMA(2);
285  PUTRGBA(dst_1, py_1, pa_1, 2, 24);
286  PUTRGBA(dst_2, py_2, pa_2, 2, 24);
287 
288  LOADCHROMA(3);
289  PUTRGBA(dst_2, py_2, pa_2, 3, 24);
290  PUTRGBA(dst_1, py_1, pa_1, 3, 24);
291  pa_1 += 8;
292  pa_2 += 8;
293 ENDYUV2RGBLINE(8, 0)
294  LOADCHROMA(0);
295  PUTRGBA(dst_1, py_1, pa_1, 0, 24);
296  PUTRGBA(dst_2, py_2, pa_2, 0, 24);
297 
298  LOADCHROMA(1);
299  PUTRGBA(dst_2, py_2, pa_2, 1, 24);
300  PUTRGBA(dst_1, py_1, pa_1, 1, 24);
301  pa_1 += 4;
302  pa_2 += 4;
303 ENDYUV2RGBLINE(8, 1)
304  LOADCHROMA(0);
305  PUTRGBA(dst_1, py_1, pa_1, 0, 24);
306  PUTRGBA(dst_2, py_2, pa_2, 0, 24);
308 
309 #if HAVE_BIGENDIAN
310 YUV2RGBFUNC(yuva2rgba_c, uint32_t, 1)
311 #else
312 YUV2RGBFUNC(yuva2argb_c, uint32_t, 1)
313 #endif
314  LOADCHROMA(0);
315  PUTRGBA(dst_1, py_1, pa_1, 0, 0);
316  PUTRGBA(dst_2, py_2, pa_2, 0, 0);
317 
318  LOADCHROMA(1);
319  PUTRGBA(dst_2, py_2, pa_2, 1, 0);
320  PUTRGBA(dst_1, py_1, pa_1, 1, 0);
321 
322  LOADCHROMA(2);
323  PUTRGBA(dst_1, py_1, pa_1, 2, 0);
324  PUTRGBA(dst_2, py_2, pa_2, 2, 0);
325 
326  LOADCHROMA(3);
327  PUTRGBA(dst_2, py_2, pa_2, 3, 0);
328  PUTRGBA(dst_1, py_1, pa_1, 3, 0);
329  pa_1 += 8;
330  pa_2 += 8;
331 ENDYUV2RGBLINE(8, 0)
332  LOADCHROMA(0);
333  PUTRGBA(dst_1, py_1, pa_1, 0, 0);
334  PUTRGBA(dst_2, py_2, pa_2, 0, 0);
335 
336  LOADCHROMA(1);
337  PUTRGBA(dst_2, py_2, pa_2, 1, 0);
338  PUTRGBA(dst_1, py_1, pa_1, 1, 0);
339  pa_1 += 4;
340  pa_2 += 4;
341 ENDYUV2RGBLINE(8, 1)
342  LOADCHROMA(0);
343  PUTRGBA(dst_1, py_1, pa_1, 0, 0);
344  PUTRGBA(dst_2, py_2, pa_2, 0, 0);
346 
347 YUV2RGBFUNC(yuv2rgb_c_24_rgb, uint8_t, 0)
348  LOADCHROMA(0);
349  PUTRGB24(dst_1, py_1, 0);
350  PUTRGB24(dst_2, py_2, 0);
351 
352  LOADCHROMA(1);
353  PUTRGB24(dst_2, py_2, 1);
354  PUTRGB24(dst_1, py_1, 1);
355 
356  LOADCHROMA(2);
357  PUTRGB24(dst_1, py_1, 2);
358  PUTRGB24(dst_2, py_2, 2);
359 
360  LOADCHROMA(3);
361  PUTRGB24(dst_2, py_2, 3);
362  PUTRGB24(dst_1, py_1, 3);
363 ENDYUV2RGBLINE(24, 0)
364  LOADCHROMA(0);
365  PUTRGB24(dst_1, py_1, 0);
366  PUTRGB24(dst_2, py_2, 0);
367 
368  LOADCHROMA(1);
369  PUTRGB24(dst_2, py_2, 1);
370  PUTRGB24(dst_1, py_1, 1);
371 ENDYUV2RGBLINE(24, 1)
372  LOADCHROMA(0);
373  PUTRGB24(dst_1, py_1, 0);
374  PUTRGB24(dst_2, py_2, 0);
376 
377 // only trivial mods from yuv2rgb_c_24_rgb
378 YUV2RGBFUNC(yuv2rgb_c_24_bgr, uint8_t, 0)
379  LOADCHROMA(0);
380  PUTBGR24(dst_1, py_1, 0);
381  PUTBGR24(dst_2, py_2, 0);
382 
383  LOADCHROMA(1);
384  PUTBGR24(dst_2, py_2, 1);
385  PUTBGR24(dst_1, py_1, 1);
386 
387  LOADCHROMA(2);
388  PUTBGR24(dst_1, py_1, 2);
389  PUTBGR24(dst_2, py_2, 2);
390 
391  LOADCHROMA(3);
392  PUTBGR24(dst_2, py_2, 3);
393  PUTBGR24(dst_1, py_1, 3);
394 ENDYUV2RGBLINE(24, 0)
395  LOADCHROMA(0);
396  PUTBGR24(dst_1, py_1, 0);
397  PUTBGR24(dst_2, py_2, 0);
398 
399  LOADCHROMA(1);
400  PUTBGR24(dst_2, py_2, 1);
401  PUTBGR24(dst_1, py_1, 1);
402 ENDYUV2RGBLINE(24, 1)
403  LOADCHROMA(0);
404  PUTBGR24(dst_1, py_1, 0);
405  PUTBGR24(dst_2, py_2, 0);
407 
408 YUV2RGBFUNC(yuv2rgb_c_16_ordered_dither, uint16_t, 0)
409  const uint8_t *d16 = ff_dither_2x2_8[y & 1];
410  const uint8_t *e16 = ff_dither_2x2_4[y & 1];
411  const uint8_t *f16 = ff_dither_2x2_8[(y & 1)^1];
412 
413 #define PUTRGB16(dst, src, i, o) \
414  Y = src[2 * i]; \
415  dst[2 * i] = r[Y + d16[0 + o]] + \
416  g[Y + e16[0 + o]] + \
417  b[Y + f16[0 + o]]; \
418  Y = src[2 * i + 1]; \
419  dst[2 * i + 1] = r[Y + d16[1 + o]] + \
420  g[Y + e16[1 + o]] + \
421  b[Y + f16[1 + o]];
422  LOADCHROMA(0);
423  PUTRGB16(dst_1, py_1, 0, 0);
424  PUTRGB16(dst_2, py_2, 0, 0 + 8);
425 
426  LOADCHROMA(1);
427  PUTRGB16(dst_2, py_2, 1, 2 + 8);
428  PUTRGB16(dst_1, py_1, 1, 2);
429 
430  LOADCHROMA(2);
431  PUTRGB16(dst_1, py_1, 2, 4);
432  PUTRGB16(dst_2, py_2, 2, 4 + 8);
433 
434  LOADCHROMA(3);
435  PUTRGB16(dst_2, py_2, 3, 6 + 8);
436  PUTRGB16(dst_1, py_1, 3, 6);
438 
439 YUV2RGBFUNC(yuv2rgb_c_15_ordered_dither, uint16_t, 0)
440  const uint8_t *d16 = ff_dither_2x2_8[y & 1];
441  const uint8_t *e16 = ff_dither_2x2_8[(y & 1)^1];
442 
443 #define PUTRGB15(dst, src, i, o) \
444  Y = src[2 * i]; \
445  dst[2 * i] = r[Y + d16[0 + o]] + \
446  g[Y + d16[1 + o]] + \
447  b[Y + e16[0 + o]]; \
448  Y = src[2 * i + 1]; \
449  dst[2 * i + 1] = r[Y + d16[1 + o]] + \
450  g[Y + d16[0 + o]] + \
451  b[Y + e16[1 + o]];
452  LOADCHROMA(0);
453  PUTRGB15(dst_1, py_1, 0, 0);
454  PUTRGB15(dst_2, py_2, 0, 0 + 8);
455 
456  LOADCHROMA(1);
457  PUTRGB15(dst_2, py_2, 1, 2 + 8);
458  PUTRGB15(dst_1, py_1, 1, 2);
459 
460  LOADCHROMA(2);
461  PUTRGB15(dst_1, py_1, 2, 4);
462  PUTRGB15(dst_2, py_2, 2, 4 + 8);
463 
464  LOADCHROMA(3);
465  PUTRGB15(dst_2, py_2, 3, 6 + 8);
466  PUTRGB15(dst_1, py_1, 3, 6);
468 
469 // r, g, b, dst_1, dst_2
470 YUV2RGBFUNC(yuv2rgb_c_12_ordered_dither, uint16_t, 0)
471  const uint8_t *d16 = ff_dither_4x4_16[y & 3];
472 
473 #define PUTRGB12(dst, src, i, o) \
474  Y = src[2 * i]; \
475  dst[2 * i] = r[Y + d16[0 + o]] + \
476  g[Y + d16[0 + o]] + \
477  b[Y + d16[0 + o]]; \
478  Y = src[2 * i + 1]; \
479  dst[2 * i + 1] = r[Y + d16[1 + o]] + \
480  g[Y + d16[1 + o]] + \
481  b[Y + d16[1 + o]];
482 
483  LOADCHROMA(0);
484  PUTRGB12(dst_1, py_1, 0, 0);
485  PUTRGB12(dst_2, py_2, 0, 0 + 8);
486 
487  LOADCHROMA(1);
488  PUTRGB12(dst_2, py_2, 1, 2 + 8);
489  PUTRGB12(dst_1, py_1, 1, 2);
490 
491  LOADCHROMA(2);
492  PUTRGB12(dst_1, py_1, 2, 4);
493  PUTRGB12(dst_2, py_2, 2, 4 + 8);
494 
495  LOADCHROMA(3);
496  PUTRGB12(dst_2, py_2, 3, 6 + 8);
497  PUTRGB12(dst_1, py_1, 3, 6);
499 
500 // r, g, b, dst_1, dst_2
501 YUV2RGBFUNC(yuv2rgb_c_8_ordered_dither, uint8_t, 0)
502  const uint8_t *d32 = ff_dither_8x8_32[yd & 7];
503  const uint8_t *d64 = ff_dither_8x8_73[yd & 7];
504 
505 #define PUTRGB8(dst, src, i, o) \
506  Y = src[2 * i]; \
507  dst[2 * i] = r[Y + d32[0 + o]] + \
508  g[Y + d32[0 + o]] + \
509  b[Y + d64[0 + o]]; \
510  Y = src[2 * i + 1]; \
511  dst[2 * i + 1] = r[Y + d32[1 + o]] + \
512  g[Y + d32[1 + o]] + \
513  b[Y + d64[1 + o]];
514 
515  LOADCHROMA(0);
516  PUTRGB8(dst_1, py_1, 0, 0);
517  PUTRGB8(dst_2, py_2, 0, 0 + 8);
518 
519  LOADCHROMA(1);
520  PUTRGB8(dst_2, py_2, 1, 2 + 8);
521  PUTRGB8(dst_1, py_1, 1, 2);
522 
523  LOADCHROMA(2);
524  PUTRGB8(dst_1, py_1, 2, 4);
525  PUTRGB8(dst_2, py_2, 2, 4 + 8);
526 
527  LOADCHROMA(3);
528  PUTRGB8(dst_2, py_2, 3, 6 + 8);
529  PUTRGB8(dst_1, py_1, 3, 6);
530 
531 ENDYUV2RGBLINE(8, 0)
532  const uint8_t *d32 = ff_dither_8x8_32[yd & 7];
533  const uint8_t *d64 = ff_dither_8x8_73[yd & 7];
534  LOADCHROMA(0);
535  PUTRGB8(dst_1, py_1, 0, 0);
536  PUTRGB8(dst_2, py_2, 0, 0 + 8);
537 
538  LOADCHROMA(1);
539  PUTRGB8(dst_2, py_2, 1, 2 + 8);
540  PUTRGB8(dst_1, py_1, 1, 2);
541 
542 ENDYUV2RGBLINE(8, 1)
543  const uint8_t *d32 = ff_dither_8x8_32[yd & 7];
544  const uint8_t *d64 = ff_dither_8x8_73[yd & 7];
545  LOADCHROMA(0);
546  PUTRGB8(dst_1, py_1, 0, 0);
547  PUTRGB8(dst_2, py_2, 0, 0 + 8);
548 
550 
551 
552 YUV2RGBFUNC(yuv2rgb_c_4_ordered_dither, uint8_t, 0)
553  const uint8_t * d64 = ff_dither_8x8_73[yd & 7];
554  const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
555  int acc;
556 
557 #define PUTRGB4D(dst, src, i, o) \
558  Y = src[2 * i]; \
559  acc = r[Y + d128[0 + o]] + \
560  g[Y + d64[0 + o]] + \
561  b[Y + d128[0 + o]]; \
562  Y = src[2 * i + 1]; \
563  acc |= (r[Y + d128[1 + o]] + \
564  g[Y + d64[1 + o]] + \
565  b[Y + d128[1 + o]]) << 4; \
566  dst[i] = acc;
567 
568  LOADCHROMA(0);
569  PUTRGB4D(dst_1, py_1, 0, 0);
570  PUTRGB4D(dst_2, py_2, 0, 0 + 8);
571 
572  LOADCHROMA(1);
573  PUTRGB4D(dst_2, py_2, 1, 2 + 8);
574  PUTRGB4D(dst_1, py_1, 1, 2);
575 
576  LOADCHROMA(2);
577  PUTRGB4D(dst_1, py_1, 2, 4);
578  PUTRGB4D(dst_2, py_2, 2, 4 + 8);
579 
580  LOADCHROMA(3);
581  PUTRGB4D(dst_2, py_2, 3, 6 + 8);
582  PUTRGB4D(dst_1, py_1, 3, 6);
583 
584 ENDYUV2RGBLINE(4, 0)
585  const uint8_t * d64 = ff_dither_8x8_73[yd & 7];
586  const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
587  int acc;
588  LOADCHROMA(0);
589  PUTRGB4D(dst_1, py_1, 0, 0);
590  PUTRGB4D(dst_2, py_2, 0, 0 + 8);
591 
592  LOADCHROMA(1);
593  PUTRGB4D(dst_2, py_2, 1, 2 + 8);
594  PUTRGB4D(dst_1, py_1, 1, 2);
595 
596 ENDYUV2RGBLINE(4, 1)
597  const uint8_t * d64 = ff_dither_8x8_73[yd & 7];
598  const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
599  int acc;
600  LOADCHROMA(0);
601  PUTRGB4D(dst_1, py_1, 0, 0);
602  PUTRGB4D(dst_2, py_2, 0, 0 + 8);
604 
605 YUV2RGBFUNC(yuv2rgb_c_4b_ordered_dither, uint8_t, 0)
606  const uint8_t *d64 = ff_dither_8x8_73[yd & 7];
607  const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
608 
609 #define PUTRGB4DB(dst, src, i, o) \
610  Y = src[2 * i]; \
611  dst[2 * i] = r[Y + d128[0 + o]] + \
612  g[Y + d64[0 + o]] + \
613  b[Y + d128[0 + o]]; \
614  Y = src[2 * i + 1]; \
615  dst[2 * i + 1] = r[Y + d128[1 + o]] + \
616  g[Y + d64[1 + o]] + \
617  b[Y + d128[1 + o]];
618 
619  LOADCHROMA(0);
620  PUTRGB4DB(dst_1, py_1, 0, 0);
621  PUTRGB4DB(dst_2, py_2, 0, 0 + 8);
622 
623  LOADCHROMA(1);
624  PUTRGB4DB(dst_2, py_2, 1, 2 + 8);
625  PUTRGB4DB(dst_1, py_1, 1, 2);
626 
627  LOADCHROMA(2);
628  PUTRGB4DB(dst_1, py_1, 2, 4);
629  PUTRGB4DB(dst_2, py_2, 2, 4 + 8);
630 
631  LOADCHROMA(3);
632  PUTRGB4DB(dst_2, py_2, 3, 6 + 8);
633  PUTRGB4DB(dst_1, py_1, 3, 6);
634 ENDYUV2RGBLINE(8, 0)
635  const uint8_t *d64 = ff_dither_8x8_73[yd & 7];
636  const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
637  LOADCHROMA(0);
638  PUTRGB4DB(dst_1, py_1, 0, 0);
639  PUTRGB4DB(dst_2, py_2, 0, 0 + 8);
640 
641  LOADCHROMA(1);
642  PUTRGB4DB(dst_2, py_2, 1, 2 + 8);
643  PUTRGB4DB(dst_1, py_1, 1, 2);
644 ENDYUV2RGBLINE(8, 1)
645  const uint8_t *d64 = ff_dither_8x8_73[yd & 7];
646  const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
647  LOADCHROMA(0);
648  PUTRGB4DB(dst_1, py_1, 0, 0);
649  PUTRGB4DB(dst_2, py_2, 0, 0 + 8);
651 
652 YUV2RGBFUNC(yuv2rgb_c_1_ordered_dither, uint8_t, 0)
653  const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
654  char out_1 = 0, out_2 = 0;
655  g = c->table_gU[128 + YUVRGB_TABLE_HEADROOM] + c->table_gV[128 + YUVRGB_TABLE_HEADROOM];
656 
657 #define PUTRGB1(out, src, i, o) \
658  Y = src[2 * i]; \
659  out += out + g[Y + d128[0 + o]]; \
660  Y = src[2 * i + 1]; \
661  out += out + g[Y + d128[1 + o]];
662 
663  PUTRGB1(out_1, py_1, 0, 0);
664  PUTRGB1(out_2, py_2, 0, 0 + 8);
665 
666  PUTRGB1(out_2, py_2, 1, 2 + 8);
667  PUTRGB1(out_1, py_1, 1, 2);
668 
669  PUTRGB1(out_1, py_1, 2, 4);
670  PUTRGB1(out_2, py_2, 2, 4 + 8);
671 
672  PUTRGB1(out_2, py_2, 3, 6 + 8);
673  PUTRGB1(out_1, py_1, 3, 6);
674 
675  dst_1[0] = out_1;
676  dst_2[0] = out_2;
678 
680 {
681  SwsFunc t = NULL;
682 
683  if (ARCH_PPC)
684  t = ff_yuv2rgb_init_ppc(c);
685  if (ARCH_X86)
686  t = ff_yuv2rgb_init_x86(c);
687 
688  if (t)
689  return t;
690 
692  "No accelerated colorspace conversion found from %s to %s.\n",
693  av_get_pix_fmt_name(c->srcFormat), av_get_pix_fmt_name(c->dstFormat));
694 
695  switch (c->dstFormat) {
696  case AV_PIX_FMT_BGR48BE:
697  case AV_PIX_FMT_BGR48LE:
698  return yuv2rgb_c_bgr48;
699  case AV_PIX_FMT_RGB48BE:
700  case AV_PIX_FMT_RGB48LE:
701  return yuv2rgb_c_48;
702  case AV_PIX_FMT_ARGB:
703  case AV_PIX_FMT_ABGR:
704  if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat))
705  return yuva2argb_c;
706  case AV_PIX_FMT_RGBA:
707  case AV_PIX_FMT_BGRA:
708  return (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat)) ? yuva2rgba_c : yuv2rgb_c_32;
709  case AV_PIX_FMT_RGB24:
710  return yuv2rgb_c_24_rgb;
711  case AV_PIX_FMT_BGR24:
712  return yuv2rgb_c_24_bgr;
713  case AV_PIX_FMT_RGB565:
714  case AV_PIX_FMT_BGR565:
715  return yuv2rgb_c_16_ordered_dither;
716  case AV_PIX_FMT_RGB555:
717  case AV_PIX_FMT_BGR555:
718  return yuv2rgb_c_15_ordered_dither;
719  case AV_PIX_FMT_RGB444:
720  case AV_PIX_FMT_BGR444:
721  return yuv2rgb_c_12_ordered_dither;
722  case AV_PIX_FMT_RGB8:
723  case AV_PIX_FMT_BGR8:
724  return yuv2rgb_c_8_ordered_dither;
725  case AV_PIX_FMT_RGB4:
726  case AV_PIX_FMT_BGR4:
727  return yuv2rgb_c_4_ordered_dither;
730  return yuv2rgb_c_4b_ordered_dither;
732  return yuv2rgb_c_1_ordered_dither;
733  }
734  return NULL;
735 }
736 
737 static void fill_table(uint8_t* table[256 + 2*YUVRGB_TABLE_HEADROOM], const int elemsize,
738  const int64_t inc, void *y_tab)
739 {
740  int i;
741  uint8_t *y_table = y_tab;
742 
743  y_table -= elemsize * (inc >> 9);
744 
745  for (i = 0; i < 256 + 2*YUVRGB_TABLE_HEADROOM; i++) {
747  table[i] = y_table + elemsize * (cb >> 16);
748  }
749 }
750 
751 static void fill_gv_table(int table[256 + 2*YUVRGB_TABLE_HEADROOM], const int elemsize, const int64_t inc)
752 {
753  int i;
754  int off = -(inc >> 9);
755 
756  for (i = 0; i < 256 + 2*YUVRGB_TABLE_HEADROOM; i++) {
758  table[i] = elemsize * (off + (cb >> 16));
759  }
760 }
761 
762 static uint16_t roundToInt16(int64_t f)
763 {
764  int r = (f + (1 << 15)) >> 16;
765 
766  if (r < -0x7FFF)
767  return 0x8000;
768  else if (r > 0x7FFF)
769  return 0x7FFF;
770  else
771  return r;
772 }
773 
774 av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4],
775  int fullRange, int brightness,
776  int contrast, int saturation)
777 {
778  const int isRgb = c->dstFormat == AV_PIX_FMT_RGB32 ||
779  c->dstFormat == AV_PIX_FMT_RGB32_1 ||
780  c->dstFormat == AV_PIX_FMT_BGR24 ||
781  c->dstFormat == AV_PIX_FMT_RGB565BE ||
782  c->dstFormat == AV_PIX_FMT_RGB565LE ||
783  c->dstFormat == AV_PIX_FMT_RGB555BE ||
784  c->dstFormat == AV_PIX_FMT_RGB555LE ||
785  c->dstFormat == AV_PIX_FMT_RGB444BE ||
786  c->dstFormat == AV_PIX_FMT_RGB444LE ||
787  c->dstFormat == AV_PIX_FMT_RGB8 ||
788  c->dstFormat == AV_PIX_FMT_RGB4 ||
789  c->dstFormat == AV_PIX_FMT_RGB4_BYTE ||
790  c->dstFormat == AV_PIX_FMT_MONOBLACK;
791  const int isNotNe = c->dstFormat == AV_PIX_FMT_NE(RGB565LE, RGB565BE) ||
792  c->dstFormat == AV_PIX_FMT_NE(RGB555LE, RGB555BE) ||
793  c->dstFormat == AV_PIX_FMT_NE(RGB444LE, RGB444BE) ||
794  c->dstFormat == AV_PIX_FMT_NE(BGR565LE, BGR565BE) ||
795  c->dstFormat == AV_PIX_FMT_NE(BGR555LE, BGR555BE) ||
796  c->dstFormat == AV_PIX_FMT_NE(BGR444LE, BGR444BE) ||
797  c->dstFormat == AV_PIX_FMT_NE(X2RGB10LE, X2RGB10BE);
798  const int bpp = c->dstFormatBpp;
799  uint8_t *y_table;
800  uint16_t *y_table16;
801  uint32_t *y_table32;
802  int i, base, rbase, gbase, bbase, av_uninit(abase), needAlpha;
803  const int yoffs = (fullRange ? 384 : 326) + YUVRGB_TABLE_LUMA_HEADROOM;
804  const int table_plane_size = 1024 + 2*YUVRGB_TABLE_LUMA_HEADROOM;
805 
806  int64_t crv = inv_table[0];
807  int64_t cbu = inv_table[1];
808  int64_t cgu = -inv_table[2];
809  int64_t cgv = -inv_table[3];
810  int64_t cy = 1 << 16;
811  int64_t oy = 0;
812  int64_t yb = 0;
813 
814  if (!fullRange) {
815  cy = (cy * 255) / 219;
816  oy = 16 << 16;
817  } else {
818  crv = (crv * 224) / 255;
819  cbu = (cbu * 224) / 255;
820  cgu = (cgu * 224) / 255;
821  cgv = (cgv * 224) / 255;
822  }
823 
824  cy = (cy * contrast) >> 16;
825  crv = (crv * contrast * saturation) >> 32;
826  cbu = (cbu * contrast * saturation) >> 32;
827  cgu = (cgu * contrast * saturation) >> 32;
828  cgv = (cgv * contrast * saturation) >> 32;
829  oy -= 256LL * brightness;
830 
831  c->uOffset = 0x0400040004000400LL;
832  c->vOffset = 0x0400040004000400LL;
833  c->yCoeff = roundToInt16(cy * (1 << 13)) * 0x0001000100010001ULL;
834  c->vrCoeff = roundToInt16(crv * (1 << 13)) * 0x0001000100010001ULL;
835  c->ubCoeff = roundToInt16(cbu * (1 << 13)) * 0x0001000100010001ULL;
836  c->vgCoeff = roundToInt16(cgv * (1 << 13)) * 0x0001000100010001ULL;
837  c->ugCoeff = roundToInt16(cgu * (1 << 13)) * 0x0001000100010001ULL;
838  c->yOffset = roundToInt16(oy * (1 << 3)) * 0x0001000100010001ULL;
839 
840  c->yuv2rgb_y_coeff = (int16_t)roundToInt16(cy * (1 << 13));
841  c->yuv2rgb_y_offset = (int16_t)roundToInt16(oy * (1 << 9));
842  c->yuv2rgb_v2r_coeff = (int16_t)roundToInt16(crv * (1 << 13));
843  c->yuv2rgb_v2g_coeff = (int16_t)roundToInt16(cgv * (1 << 13));
844  c->yuv2rgb_u2g_coeff = (int16_t)roundToInt16(cgu * (1 << 13));
845  c->yuv2rgb_u2b_coeff = (int16_t)roundToInt16(cbu * (1 << 13));
846 
847  //scale coefficients by cy
848  crv = ((crv * (1 << 16)) + 0x8000) / FFMAX(cy, 1);
849  cbu = ((cbu * (1 << 16)) + 0x8000) / FFMAX(cy, 1);
850  cgu = ((cgu * (1 << 16)) + 0x8000) / FFMAX(cy, 1);
851  cgv = ((cgv * (1 << 16)) + 0x8000) / FFMAX(cy, 1);
852 
853  av_freep(&c->yuvTable);
854 
855 #define ALLOC_YUV_TABLE(x) \
856  c->yuvTable = av_malloc(x); \
857  if (!c->yuvTable) \
858  return AVERROR(ENOMEM);
859  switch (bpp) {
860  case 1:
861  ALLOC_YUV_TABLE(table_plane_size);
862  y_table = c->yuvTable;
863  yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
864  for (i = 0; i < table_plane_size - 110; i++) {
865  y_table[i + 110] = av_clip_uint8((yb + 0x8000) >> 16) >> 7;
866  yb += cy;
867  }
868  fill_table(c->table_gU, 1, cgu, y_table + yoffs);
869  fill_gv_table(c->table_gV, 1, cgv);
870  break;
871  case 4:
872  case 4 | 128:
873  rbase = isRgb ? 3 : 0;
874  gbase = 1;
875  bbase = isRgb ? 0 : 3;
876  ALLOC_YUV_TABLE(table_plane_size * 3);
877  y_table = c->yuvTable;
878  yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
879  for (i = 0; i < table_plane_size - 110; i++) {
880  int yval = av_clip_uint8((yb + 0x8000) >> 16);
881  y_table[i + 110] = (yval >> 7) << rbase;
882  y_table[i + 37 + table_plane_size] = ((yval + 43) / 85) << gbase;
883  y_table[i + 110 + 2*table_plane_size] = (yval >> 7) << bbase;
884  yb += cy;
885  }
886  fill_table(c->table_rV, 1, crv, y_table + yoffs);
887  fill_table(c->table_gU, 1, cgu, y_table + yoffs + table_plane_size);
888  fill_table(c->table_bU, 1, cbu, y_table + yoffs + 2*table_plane_size);
889  fill_gv_table(c->table_gV, 1, cgv);
890  break;
891  case 8:
892  rbase = isRgb ? 5 : 0;
893  gbase = isRgb ? 2 : 3;
894  bbase = isRgb ? 0 : 6;
895  ALLOC_YUV_TABLE(table_plane_size * 3);
896  y_table = c->yuvTable;
897  yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
898  for (i = 0; i < table_plane_size - 38; i++) {
899  int yval = av_clip_uint8((yb + 0x8000) >> 16);
900  y_table[i + 16] = ((yval + 18) / 36) << rbase;
901  y_table[i + 16 + table_plane_size] = ((yval + 18) / 36) << gbase;
902  y_table[i + 37 + 2*table_plane_size] = ((yval + 43) / 85) << bbase;
903  yb += cy;
904  }
905  fill_table(c->table_rV, 1, crv, y_table + yoffs);
906  fill_table(c->table_gU, 1, cgu, y_table + yoffs + table_plane_size);
907  fill_table(c->table_bU, 1, cbu, y_table + yoffs + 2*table_plane_size);
908  fill_gv_table(c->table_gV, 1, cgv);
909  break;
910  case 12:
911  rbase = isRgb ? 8 : 0;
912  gbase = 4;
913  bbase = isRgb ? 0 : 8;
914  ALLOC_YUV_TABLE(table_plane_size * 3 * 2);
915  y_table16 = c->yuvTable;
916  yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
917  for (i = 0; i < table_plane_size; i++) {
918  uint8_t yval = av_clip_uint8((yb + 0x8000) >> 16);
919  y_table16[i] = (yval >> 4) << rbase;
920  y_table16[i + table_plane_size] = (yval >> 4) << gbase;
921  y_table16[i + 2*table_plane_size] = (yval >> 4) << bbase;
922  yb += cy;
923  }
924  if (isNotNe)
925  for (i = 0; i < table_plane_size * 3; i++)
926  y_table16[i] = av_bswap16(y_table16[i]);
927  fill_table(c->table_rV, 2, crv, y_table16 + yoffs);
928  fill_table(c->table_gU, 2, cgu, y_table16 + yoffs + table_plane_size);
929  fill_table(c->table_bU, 2, cbu, y_table16 + yoffs + 2*table_plane_size);
930  fill_gv_table(c->table_gV, 2, cgv);
931  break;
932  case 15:
933  case 16:
934  rbase = isRgb ? bpp - 5 : 0;
935  gbase = 5;
936  bbase = isRgb ? 0 : (bpp - 5);
937  ALLOC_YUV_TABLE(table_plane_size * 3 * 2);
938  y_table16 = c->yuvTable;
939  yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
940  for (i = 0; i < table_plane_size; i++) {
941  uint8_t yval = av_clip_uint8((yb + 0x8000) >> 16);
942  y_table16[i] = (yval >> 3) << rbase;
943  y_table16[i + table_plane_size] = (yval >> (18 - bpp)) << gbase;
944  y_table16[i + 2*table_plane_size] = (yval >> 3) << bbase;
945  yb += cy;
946  }
947  if (isNotNe)
948  for (i = 0; i < table_plane_size * 3; i++)
949  y_table16[i] = av_bswap16(y_table16[i]);
950  fill_table(c->table_rV, 2, crv, y_table16 + yoffs);
951  fill_table(c->table_gU, 2, cgu, y_table16 + yoffs + table_plane_size);
952  fill_table(c->table_bU, 2, cbu, y_table16 + yoffs + 2*table_plane_size);
953  fill_gv_table(c->table_gV, 2, cgv);
954  break;
955  case 24:
956  case 48:
957  ALLOC_YUV_TABLE(table_plane_size);
958  y_table = c->yuvTable;
959  yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
960  for (i = 0; i < table_plane_size; i++) {
961  y_table[i] = av_clip_uint8((yb + 0x8000) >> 16);
962  yb += cy;
963  }
964  fill_table(c->table_rV, 1, crv, y_table + yoffs);
965  fill_table(c->table_gU, 1, cgu, y_table + yoffs);
966  fill_table(c->table_bU, 1, cbu, y_table + yoffs);
967  fill_gv_table(c->table_gV, 1, cgv);
968  break;
969  case 30:
970  rbase = 20;
971  gbase = 10;
972  bbase = 0;
973  needAlpha = CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat);
974  if (!needAlpha)
975  abase = 30;
976  ALLOC_YUV_TABLE(table_plane_size * 3 * 4);
977  y_table32 = c->yuvTable;
978  yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
979  for (i = 0; i < table_plane_size; i++) {
980  unsigned yval = av_clip_uint8((yb + 0x8000) >> 16);
981  y_table32[i]= (yval << rbase) + (needAlpha ? 0 : (255u << abase));
982  y_table32[i + table_plane_size] = yval << gbase;
983  y_table32[i + 2 * table_plane_size] = yval << bbase;
984  yb += cy;
985  }
986  if (isNotNe) {
987  for (i = 0; i < table_plane_size * 3; i++)
988  y_table32[i] = av_bswap32(y_table32[i]);
989  }
990  fill_table(c->table_rV, 4, crv, y_table32 + yoffs);
991  fill_table(c->table_gU, 4, cgu, y_table32 + yoffs + table_plane_size);
992  fill_table(c->table_bU, 4, cbu, y_table32 + yoffs + 2 * table_plane_size);
993  fill_gv_table(c->table_gV, 4, cgv);
994  break;
995  case 32:
996  case 64:
997  base = (c->dstFormat == AV_PIX_FMT_RGB32_1 ||
998  c->dstFormat == AV_PIX_FMT_BGR32_1) ? 8 : 0;
999  rbase = base + (isRgb ? 16 : 0);
1000  gbase = base + 8;
1001  bbase = base + (isRgb ? 0 : 16);
1002  needAlpha = CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat);
1003  if (!needAlpha)
1004  abase = (base + 24) & 31;
1005  ALLOC_YUV_TABLE(table_plane_size * 3 * 4);
1006  y_table32 = c->yuvTable;
1007  yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
1008  for (i = 0; i < table_plane_size; i++) {
1009  unsigned yval = av_clip_uint8((yb + 0x8000) >> 16);
1010  y_table32[i] = (yval << rbase) +
1011  (needAlpha ? 0 : (255u << abase));
1012  y_table32[i + table_plane_size] = yval << gbase;
1013  y_table32[i + 2*table_plane_size] = yval << bbase;
1014  yb += cy;
1015  }
1016  fill_table(c->table_rV, 4, crv, y_table32 + yoffs);
1017  fill_table(c->table_gU, 4, cgu, y_table32 + yoffs + table_plane_size);
1018  fill_table(c->table_bU, 4, cbu, y_table32 + yoffs + 2*table_plane_size);
1019  fill_gv_table(c->table_gV, 4, cgv);
1020  break;
1021  default:
1022  if(!isPlanar(c->dstFormat) || bpp <= 24)
1023  av_log(c, AV_LOG_ERROR, "%ibpp not supported by yuv2rgb\n", bpp);
1024  return AVERROR(EINVAL);
1025  }
1026  return 0;
1027 }
#define av_uninit(x)
Definition: attributes.h:154
#define av_cold
Definition: attributes.h:88
uint8_t
int32_t
#define av_bswap32
Definition: bswap.h:33
byte swapping routines
#define f(width, name)
Definition: cbs_vp9.c:255
#define FFMAX(a, b)
Definition: common.h:103
#define av_clip_uint8
Definition: common.h:128
#define ARCH_PPC
Definition: config.h:30
#define ARCH_X86
Definition: config.h:39
#define CONFIG_SWSCALE_ALPHA
Definition: config.h:568
#define NULL
Definition: coverity.c:32
long long int64_t
Definition: coverity.c:34
#define AVERROR(e)
Definition: error.h:43
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:200
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:194
#define SWS_CS_DEFAULT
Definition: swscale.h:95
const int * sws_getCoefficients(int colorspace)
Return a pointer to yuv<->rgb coefficients for the given colorspace suitable for sws_setColorspaceDet...
Definition: yuv2rgb.c:63
int i
Definition: input.c:407
const uint8_t ff_dither_8x8_73[][8]
Definition: output.c:72
const uint8_t ff_dither_2x2_4[][8]
Definition: output.c:40
const uint8_t ff_dither_2x2_8[][8]
Definition: output.c:46
const uint8_t ff_dither_4x4_16[][8]
Definition: output.c:52
const uint8_t ff_dither_8x8_220[][8]
Definition: output.c:85
const uint8_t ff_dither_8x8_32[][8]
Definition: output.c:60
const char * av_get_pix_fmt_name(enum AVPixelFormat pix_fmt)
Return the short name for a pixel format, NULL in case pix_fmt is unknown.
Definition: pixdesc.c:2489
#define AV_PIX_FMT_BGR444
Definition: pixfmt.h:393
#define AV_PIX_FMT_BGR555
Definition: pixfmt.h:392
@ AV_PIX_FMT_RGB24
packed RGB 8:8:8, 24bpp, RGBRGB...
Definition: pixfmt.h:68
@ AV_PIX_FMT_MONOBLACK
Y , 1bpp, 0 is black, 1 is white, in each byte pixels are ordered from the msb to the lsb.
Definition: pixfmt.h:76
@ AV_PIX_FMT_ARGB
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
Definition: pixfmt.h:92
@ AV_PIX_FMT_RGB555BE
packed RGB 5:5:5, 16bpp, (msb)1X 5R 5G 5B(lsb), big-endian , X=unused/undefined
Definition: pixfmt.h:107
@ AV_PIX_FMT_BGRA
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
Definition: pixfmt.h:95
@ AV_PIX_FMT_BGR48BE
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:148
@ AV_PIX_FMT_RGB48BE
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:102
@ AV_PIX_FMT_ABGR
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
Definition: pixfmt.h:94
@ AV_PIX_FMT_RGB8
packed RGB 3:3:2, 8bpp, (msb)2R 3G 3B(lsb)
Definition: pixfmt.h:86
@ AV_PIX_FMT_BGR8
packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb)
Definition: pixfmt.h:83
@ AV_PIX_FMT_RGB444LE
packed RGB 4:4:4, 16bpp, (msb)4X 4R 4G 4B(lsb), little-endian, X=unused/undefined
Definition: pixfmt.h:139
@ AV_PIX_FMT_RGB4_BYTE
packed RGB 1:2:1, 8bpp, (msb)1R 2G 1B(lsb)
Definition: pixfmt.h:88
@ AV_PIX_FMT_BGR4_BYTE
packed RGB 1:2:1, 8bpp, (msb)1B 2G 1R(lsb)
Definition: pixfmt.h:85
@ AV_PIX_FMT_RGBA
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
Definition: pixfmt.h:93
@ AV_PIX_FMT_RGB565LE
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), little-endian
Definition: pixfmt.h:106
@ AV_PIX_FMT_RGB555LE
packed RGB 5:5:5, 16bpp, (msb)1X 5R 5G 5B(lsb), little-endian, X=unused/undefined
Definition: pixfmt.h:108
@ AV_PIX_FMT_RGB48LE
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:103
@ AV_PIX_FMT_RGB444BE
packed RGB 4:4:4, 16bpp, (msb)4X 4R 4G 4B(lsb), big-endian, X=unused/undefined
Definition: pixfmt.h:140
@ AV_PIX_FMT_BGR48LE
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:149
@ AV_PIX_FMT_RGB565BE
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), big-endian
Definition: pixfmt.h:105
@ AV_PIX_FMT_BGR24
packed RGB 8:8:8, 24bpp, BGRBGR...
Definition: pixfmt.h:69
@ AV_PIX_FMT_RGB4
packed RGB 1:2:1 bitstream, 4bpp, (msb)1R 2G 1B(lsb), a byte contains two pixels, the first pixel in ...
Definition: pixfmt.h:87
@ AV_PIX_FMT_BGR4
packed RGB 1:2:1 bitstream, 4bpp, (msb)1B 2G 1R(lsb), a byte contains two pixels, the first pixel in ...
Definition: pixfmt.h:84
#define AV_PIX_FMT_RGB32_1
Definition: pixfmt.h:373
#define AV_PIX_FMT_BGR32_1
Definition: pixfmt.h:375
#define AV_PIX_FMT_BGR565
Definition: pixfmt.h:391
#define AV_PIX_FMT_RGB565
Definition: pixfmt.h:386
#define AV_PIX_FMT_RGB444
Definition: pixfmt.h:388
#define AV_PIX_FMT_NE(be, le)
Definition: pixfmt.h:369
#define AV_PIX_FMT_RGB32
Definition: pixfmt.h:372
#define AV_PIX_FMT_RGB555
Definition: pixfmt.h:387
static const uint16_t table[]
Definition: prosumer.c:206
#define av_bswap16
Definition: bswap.h:31
external API header
#define YUVRGB_TABLE_HEADROOM
#define YUVRGB_TABLE_LUMA_HEADROOM
int(* SwsFunc)(struct SwsContext *context, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[])
static av_always_inline int isPlanar(enum AVPixelFormat pix_fmt)
#define av_freep(p)
#define av_log(a,...)
#define isALPHA(x)
Definition: swscale.c:51
const char * r
Definition: vf_curves.c:116
static double cb(void *priv, double x, double y)
Definition: vf_geq.c:215
uint8_t base
Definition: vp3data.h:141
static double c[64]
av_cold SwsFunc ff_yuv2rgb_init_x86(SwsContext *c)
Definition: yuv2rgb.c:69
#define PUTRGB24(dst, src, i)
Definition: yuv2rgb.c:83
char out_2
Definition: yuv2rgb.c:654
const uint8_t * d64
Definition: yuv2rgb.c:503
pa_1
Definition: yuv2rgb.c:291
#define PUTRGB15(dst, src, i, o)
Definition: yuv2rgb.c:443
#define CLOSEYUV2RGBFUNC(dst_delta)
Definition: yuv2rgb.c:177
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:774
#define PUTRGB1(out, src, i, o)
Definition: yuv2rgb.c:657
const uint8_t * d16
Definition: yuv2rgb.c:409
#define ENDYUV2RGBFUNC()
Definition: yuv2rgb.c:171
const uint8_t * e16
Definition: yuv2rgb.c:410
#define PUTRGB(dst, src, i)
Definition: yuv2rgb.c:77
const uint8_t * d128
Definition: yuv2rgb.c:554
#define PUTRGB8(dst, src, i, o)
Definition: yuv2rgb.c:505
#define PUTRGB4DB(dst, src, i, o)
Definition: yuv2rgb.c:609
#define LOADCHROMA(i)
Definition: yuv2rgb.c:70
const uint8_t * d32
Definition: yuv2rgb.c:502
g
Definition: yuv2rgb.c:655
SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c)
Definition: yuv2rgb.c:679
static uint16_t roundToInt16(int64_t f)
Definition: yuv2rgb.c:762
#define ENDYUV2RGBLINE(dst_delta, ss)
Definition: yuv2rgb.c:160
#define PUTRGB4D(dst, src, i, o)
Definition: yuv2rgb.c:557
pa_2
Definition: yuv2rgb.c:292
#define PUTRGB16(dst, src, i, o)
Definition: yuv2rgb.c:413
#define YUV2RGBFUNC(func_name, dst_type, alpha)
Definition: yuv2rgb.c:129
#define PUTRGB48(dst, src, i)
Definition: yuv2rgb.c:109
static void fill_table(uint8_t *table[256+2 *YUVRGB_TABLE_HEADROOM], const int elemsize, const int64_t inc, void *y_tab)
Definition: yuv2rgb.c:737
#define ALLOC_YUV_TABLE(x)
static void fill_gv_table(int table[256+2 *YUVRGB_TABLE_HEADROOM], const int elemsize, const int64_t inc)
Definition: yuv2rgb.c:751
#define PUTRGBA(dst, ysrc, asrc, i, s)
Definition: yuv2rgb.c:103
char out_1
Definition: yuv2rgb.c:654
#define PUTRGB12(dst, src, i, o)
Definition: yuv2rgb.c:473
dst_2[0]
Definition: yuv2rgb.c:676
int acc
Definition: yuv2rgb.c:555
#define PUTBGR24(dst, src, i)
Definition: yuv2rgb.c:93
dst_1[0]
Definition: yuv2rgb.c:675
const uint8_t * f16
Definition: yuv2rgb.c:411
const int32_t ff_yuv2rgb_coeffs[11][4]
Definition: yuv2rgb.c:49
#define PUTBGR48(dst, src, i)
Definition: yuv2rgb.c:119
av_cold SwsFunc ff_yuv2rgb_init_ppc(SwsContext *c)