FFmpeg  3.4.9
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)
182  LOADCHROMA(0);
183  PUTRGB48(dst_1, py_1, 0);
184  PUTRGB48(dst_2, py_2, 0);
185 
186  LOADCHROMA(1);
187  PUTRGB48(dst_2, py_2, 1);
188  PUTRGB48(dst_1, py_1, 1);
189 
190  LOADCHROMA(2);
191  PUTRGB48(dst_1, py_1, 2);
192  PUTRGB48(dst_2, py_2, 2);
193 
194  LOADCHROMA(3);
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 YUV2RGBFUNC(yuva2rgba_c, uint32_t, 1)
272  LOADCHROMA(0);
273  PUTRGBA(dst_1, py_1, pa_1, 0, 24);
274  PUTRGBA(dst_2, py_2, pa_2, 0, 24);
275 
276  LOADCHROMA(1);
277  PUTRGBA(dst_2, py_2, pa_2, 1, 24);
278  PUTRGBA(dst_1, py_1, pa_1, 1, 24);
279 
280  LOADCHROMA(2);
281  PUTRGBA(dst_1, py_1, pa_1, 2, 24);
282  PUTRGBA(dst_2, py_2, pa_2, 2, 24);
283 
284  LOADCHROMA(3);
285  PUTRGBA(dst_2, py_2, pa_2, 3, 24);
286  PUTRGBA(dst_1, py_1, pa_1, 3, 24);
287  pa_1 += 8;
288  pa_2 += 8;
289 ENDYUV2RGBLINE(8, 0)
290  LOADCHROMA(0);
291  PUTRGBA(dst_1, py_1, pa_1, 0, 24);
292  PUTRGBA(dst_2, py_2, pa_2, 0, 24);
293 
294  LOADCHROMA(1);
295  PUTRGBA(dst_2, py_2, pa_2, 1, 24);
296  PUTRGBA(dst_1, py_1, pa_1, 1, 24);
297  pa_1 += 4;
298  pa_2 += 4;
299 ENDYUV2RGBLINE(8, 1)
300  LOADCHROMA(0);
301  PUTRGBA(dst_1, py_1, pa_1, 0, 24);
302  PUTRGBA(dst_2, py_2, pa_2, 0, 24);
304 
305 YUV2RGBFUNC(yuva2argb_c, uint32_t, 1)
306  LOADCHROMA(0);
307  PUTRGBA(dst_1, py_1, pa_1, 0, 0);
308  PUTRGBA(dst_2, py_2, pa_2, 0, 0);
309 
310  LOADCHROMA(1);
311  PUTRGBA(dst_2, py_2, pa_2, 1, 0);
312  PUTRGBA(dst_1, py_1, pa_1, 1, 0);
313 
314  LOADCHROMA(2);
315  PUTRGBA(dst_1, py_1, pa_1, 2, 0);
316  PUTRGBA(dst_2, py_2, pa_2, 2, 0);
317 
318  LOADCHROMA(3);
319  PUTRGBA(dst_2, py_2, pa_2, 3, 0);
320  PUTRGBA(dst_1, py_1, pa_1, 3, 0);
321  pa_1 += 8;
322  pa_2 += 8;
323 ENDYUV2RGBLINE(8, 0)
324  LOADCHROMA(0);
325  PUTRGBA(dst_1, py_1, pa_1, 0, 0);
326  PUTRGBA(dst_2, py_2, pa_2, 0, 0);
327 
328  LOADCHROMA(1);
329  PUTRGBA(dst_2, py_2, pa_2, 1, 0);
330  PUTRGBA(dst_1, py_1, pa_1, 1, 0);
331  pa_1 += 4;
332  pa_2 += 4;
333 ENDYUV2RGBLINE(8, 1)
334  LOADCHROMA(0);
335  PUTRGBA(dst_1, py_1, pa_1, 0, 0);
336  PUTRGBA(dst_2, py_2, pa_2, 0, 0);
338 
339 YUV2RGBFUNC(yuv2rgb_c_24_rgb, uint8_t, 0)
340  LOADCHROMA(0);
341  PUTRGB24(dst_1, py_1, 0);
342  PUTRGB24(dst_2, py_2, 0);
343 
344  LOADCHROMA(1);
345  PUTRGB24(dst_2, py_2, 1);
346  PUTRGB24(dst_1, py_1, 1);
347 
348  LOADCHROMA(2);
349  PUTRGB24(dst_1, py_1, 2);
350  PUTRGB24(dst_2, py_2, 2);
351 
352  LOADCHROMA(3);
353  PUTRGB24(dst_2, py_2, 3);
354  PUTRGB24(dst_1, py_1, 3);
355 ENDYUV2RGBLINE(24, 0)
356  LOADCHROMA(0);
357  PUTRGB24(dst_1, py_1, 0);
358  PUTRGB24(dst_2, py_2, 0);
359 
360  LOADCHROMA(1);
361  PUTRGB24(dst_2, py_2, 1);
362  PUTRGB24(dst_1, py_1, 1);
363 ENDYUV2RGBLINE(24, 1)
364  LOADCHROMA(0);
365  PUTRGB24(dst_1, py_1, 0);
366  PUTRGB24(dst_2, py_2, 0);
368 
369 // only trivial mods from yuv2rgb_c_24_rgb
370 YUV2RGBFUNC(yuv2rgb_c_24_bgr, uint8_t, 0)
371  LOADCHROMA(0);
372  PUTBGR24(dst_1, py_1, 0);
373  PUTBGR24(dst_2, py_2, 0);
374 
375  LOADCHROMA(1);
376  PUTBGR24(dst_2, py_2, 1);
377  PUTBGR24(dst_1, py_1, 1);
378 
379  LOADCHROMA(2);
380  PUTBGR24(dst_1, py_1, 2);
381  PUTBGR24(dst_2, py_2, 2);
382 
383  LOADCHROMA(3);
384  PUTBGR24(dst_2, py_2, 3);
385  PUTBGR24(dst_1, py_1, 3);
386 ENDYUV2RGBLINE(24, 0)
387  LOADCHROMA(0);
388  PUTBGR24(dst_1, py_1, 0);
389  PUTBGR24(dst_2, py_2, 0);
390 
391  LOADCHROMA(1);
392  PUTBGR24(dst_2, py_2, 1);
393  PUTBGR24(dst_1, py_1, 1);
394 ENDYUV2RGBLINE(24, 1)
395  LOADCHROMA(0);
396  PUTBGR24(dst_1, py_1, 0);
397  PUTBGR24(dst_2, py_2, 0);
399 
400 YUV2RGBFUNC(yuv2rgb_c_16_ordered_dither, uint16_t, 0)
401  const uint8_t *d16 = ff_dither_2x2_8[y & 1];
402  const uint8_t *e16 = ff_dither_2x2_4[y & 1];
403  const uint8_t *f16 = ff_dither_2x2_8[(y & 1)^1];
404 
405 #define PUTRGB16(dst, src, i, o) \
406  Y = src[2 * i]; \
407  dst[2 * i] = r[Y + d16[0 + o]] + \
408  g[Y + e16[0 + o]] + \
409  b[Y + f16[0 + o]]; \
410  Y = src[2 * i + 1]; \
411  dst[2 * i + 1] = r[Y + d16[1 + o]] + \
412  g[Y + e16[1 + o]] + \
413  b[Y + f16[1 + o]];
414  LOADCHROMA(0);
415  PUTRGB16(dst_1, py_1, 0, 0);
416  PUTRGB16(dst_2, py_2, 0, 0 + 8);
417 
418  LOADCHROMA(1);
419  PUTRGB16(dst_2, py_2, 1, 2 + 8);
420  PUTRGB16(dst_1, py_1, 1, 2);
421 
422  LOADCHROMA(2);
423  PUTRGB16(dst_1, py_1, 2, 4);
424  PUTRGB16(dst_2, py_2, 2, 4 + 8);
425 
426  LOADCHROMA(3);
427  PUTRGB16(dst_2, py_2, 3, 6 + 8);
428  PUTRGB16(dst_1, py_1, 3, 6);
430 
431 YUV2RGBFUNC(yuv2rgb_c_15_ordered_dither, uint16_t, 0)
432  const uint8_t *d16 = ff_dither_2x2_8[y & 1];
433  const uint8_t *e16 = ff_dither_2x2_8[(y & 1)^1];
434 
435 #define PUTRGB15(dst, src, i, o) \
436  Y = src[2 * i]; \
437  dst[2 * i] = r[Y + d16[0 + o]] + \
438  g[Y + d16[1 + o]] + \
439  b[Y + e16[0 + o]]; \
440  Y = src[2 * i + 1]; \
441  dst[2 * i + 1] = r[Y + d16[1 + o]] + \
442  g[Y + d16[0 + o]] + \
443  b[Y + e16[1 + o]];
444  LOADCHROMA(0);
445  PUTRGB15(dst_1, py_1, 0, 0);
446  PUTRGB15(dst_2, py_2, 0, 0 + 8);
447 
448  LOADCHROMA(1);
449  PUTRGB15(dst_2, py_2, 1, 2 + 8);
450  PUTRGB15(dst_1, py_1, 1, 2);
451 
452  LOADCHROMA(2);
453  PUTRGB15(dst_1, py_1, 2, 4);
454  PUTRGB15(dst_2, py_2, 2, 4 + 8);
455 
456  LOADCHROMA(3);
457  PUTRGB15(dst_2, py_2, 3, 6 + 8);
458  PUTRGB15(dst_1, py_1, 3, 6);
460 
461 // r, g, b, dst_1, dst_2
462 YUV2RGBFUNC(yuv2rgb_c_12_ordered_dither, uint16_t, 0)
463  const uint8_t *d16 = ff_dither_4x4_16[y & 3];
464 
465 #define PUTRGB12(dst, src, i, o) \
466  Y = src[2 * i]; \
467  dst[2 * i] = r[Y + d16[0 + o]] + \
468  g[Y + d16[0 + o]] + \
469  b[Y + d16[0 + o]]; \
470  Y = src[2 * i + 1]; \
471  dst[2 * i + 1] = r[Y + d16[1 + o]] + \
472  g[Y + d16[1 + o]] + \
473  b[Y + d16[1 + o]];
474 
475  LOADCHROMA(0);
476  PUTRGB12(dst_1, py_1, 0, 0);
477  PUTRGB12(dst_2, py_2, 0, 0 + 8);
478 
479  LOADCHROMA(1);
480  PUTRGB12(dst_2, py_2, 1, 2 + 8);
481  PUTRGB12(dst_1, py_1, 1, 2);
482 
483  LOADCHROMA(2);
484  PUTRGB12(dst_1, py_1, 2, 4);
485  PUTRGB12(dst_2, py_2, 2, 4 + 8);
486 
487  LOADCHROMA(3);
488  PUTRGB12(dst_2, py_2, 3, 6 + 8);
489  PUTRGB12(dst_1, py_1, 3, 6);
491 
492 // r, g, b, dst_1, dst_2
493 YUV2RGBFUNC(yuv2rgb_c_8_ordered_dither, uint8_t, 0)
494  const uint8_t *d32 = ff_dither_8x8_32[yd & 7];
495  const uint8_t *d64 = ff_dither_8x8_73[yd & 7];
496 
497 #define PUTRGB8(dst, src, i, o) \
498  Y = src[2 * i]; \
499  dst[2 * i] = r[Y + d32[0 + o]] + \
500  g[Y + d32[0 + o]] + \
501  b[Y + d64[0 + o]]; \
502  Y = src[2 * i + 1]; \
503  dst[2 * i + 1] = r[Y + d32[1 + o]] + \
504  g[Y + d32[1 + o]] + \
505  b[Y + d64[1 + o]];
506 
507  LOADCHROMA(0);
508  PUTRGB8(dst_1, py_1, 0, 0);
509  PUTRGB8(dst_2, py_2, 0, 0 + 8);
510 
511  LOADCHROMA(1);
512  PUTRGB8(dst_2, py_2, 1, 2 + 8);
513  PUTRGB8(dst_1, py_1, 1, 2);
514 
515  LOADCHROMA(2);
516  PUTRGB8(dst_1, py_1, 2, 4);
517  PUTRGB8(dst_2, py_2, 2, 4 + 8);
518 
519  LOADCHROMA(3);
520  PUTRGB8(dst_2, py_2, 3, 6 + 8);
521  PUTRGB8(dst_1, py_1, 3, 6);
522 
523 ENDYUV2RGBLINE(8, 0)
524  const uint8_t *d32 = ff_dither_8x8_32[yd & 7];
525  const uint8_t *d64 = ff_dither_8x8_73[yd & 7];
526  LOADCHROMA(0);
527  PUTRGB8(dst_1, py_1, 0, 0);
528  PUTRGB8(dst_2, py_2, 0, 0 + 8);
529 
530  LOADCHROMA(1);
531  PUTRGB8(dst_2, py_2, 1, 2 + 8);
532  PUTRGB8(dst_1, py_1, 1, 2);
533 
534 ENDYUV2RGBLINE(8, 1)
535  const uint8_t *d32 = ff_dither_8x8_32[yd & 7];
536  const uint8_t *d64 = ff_dither_8x8_73[yd & 7];
537  LOADCHROMA(0);
538  PUTRGB8(dst_1, py_1, 0, 0);
539  PUTRGB8(dst_2, py_2, 0, 0 + 8);
540 
542 
543 
544 YUV2RGBFUNC(yuv2rgb_c_4_ordered_dither, uint8_t, 0)
545  const uint8_t * d64 = ff_dither_8x8_73[yd & 7];
546  const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
547  int acc;
548 
549 #define PUTRGB4D(dst, src, i, o) \
550  Y = src[2 * i]; \
551  acc = r[Y + d128[0 + o]] + \
552  g[Y + d64[0 + o]] + \
553  b[Y + d128[0 + o]]; \
554  Y = src[2 * i + 1]; \
555  acc |= (r[Y + d128[1 + o]] + \
556  g[Y + d64[1 + o]] + \
557  b[Y + d128[1 + o]]) << 4; \
558  dst[i] = acc;
559 
560  LOADCHROMA(0);
561  PUTRGB4D(dst_1, py_1, 0, 0);
562  PUTRGB4D(dst_2, py_2, 0, 0 + 8);
563 
564  LOADCHROMA(1);
565  PUTRGB4D(dst_2, py_2, 1, 2 + 8);
566  PUTRGB4D(dst_1, py_1, 1, 2);
567 
568  LOADCHROMA(2);
569  PUTRGB4D(dst_1, py_1, 2, 4);
570  PUTRGB4D(dst_2, py_2, 2, 4 + 8);
571 
572  LOADCHROMA(3);
573  PUTRGB4D(dst_2, py_2, 3, 6 + 8);
574  PUTRGB4D(dst_1, py_1, 3, 6);
575 
576 ENDYUV2RGBLINE(4, 0)
577  const uint8_t * d64 = ff_dither_8x8_73[yd & 7];
578  const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
579  int acc;
580  LOADCHROMA(0);
581  PUTRGB4D(dst_1, py_1, 0, 0);
582  PUTRGB4D(dst_2, py_2, 0, 0 + 8);
583 
584  LOADCHROMA(1);
585  PUTRGB4D(dst_2, py_2, 1, 2 + 8);
586  PUTRGB4D(dst_1, py_1, 1, 2);
587 
588 ENDYUV2RGBLINE(4, 1)
589  const uint8_t * d64 = ff_dither_8x8_73[yd & 7];
590  const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
591  int acc;
592  LOADCHROMA(0);
593  PUTRGB4D(dst_1, py_1, 0, 0);
594  PUTRGB4D(dst_2, py_2, 0, 0 + 8);
596 
597 YUV2RGBFUNC(yuv2rgb_c_4b_ordered_dither, uint8_t, 0)
598  const uint8_t *d64 = ff_dither_8x8_73[yd & 7];
599  const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
600 
601 #define PUTRGB4DB(dst, src, i, o) \
602  Y = src[2 * i]; \
603  dst[2 * i] = r[Y + d128[0 + o]] + \
604  g[Y + d64[0 + o]] + \
605  b[Y + d128[0 + o]]; \
606  Y = src[2 * i + 1]; \
607  dst[2 * i + 1] = r[Y + d128[1 + o]] + \
608  g[Y + d64[1 + o]] + \
609  b[Y + d128[1 + o]];
610 
611  LOADCHROMA(0);
612  PUTRGB4DB(dst_1, py_1, 0, 0);
613  PUTRGB4DB(dst_2, py_2, 0, 0 + 8);
614 
615  LOADCHROMA(1);
616  PUTRGB4DB(dst_2, py_2, 1, 2 + 8);
617  PUTRGB4DB(dst_1, py_1, 1, 2);
618 
619  LOADCHROMA(2);
620  PUTRGB4DB(dst_1, py_1, 2, 4);
621  PUTRGB4DB(dst_2, py_2, 2, 4 + 8);
622 
623  LOADCHROMA(3);
624  PUTRGB4DB(dst_2, py_2, 3, 6 + 8);
625  PUTRGB4DB(dst_1, py_1, 3, 6);
626 ENDYUV2RGBLINE(8, 0)
627  const uint8_t *d64 = ff_dither_8x8_73[yd & 7];
628  const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
629  LOADCHROMA(0);
630  PUTRGB4DB(dst_1, py_1, 0, 0);
631  PUTRGB4DB(dst_2, py_2, 0, 0 + 8);
632 
633  LOADCHROMA(1);
634  PUTRGB4DB(dst_2, py_2, 1, 2 + 8);
635  PUTRGB4DB(dst_1, py_1, 1, 2);
636 ENDYUV2RGBLINE(8, 1)
637  const uint8_t *d64 = ff_dither_8x8_73[yd & 7];
638  const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
639  LOADCHROMA(0);
640  PUTRGB4DB(dst_1, py_1, 0, 0);
641  PUTRGB4DB(dst_2, py_2, 0, 0 + 8);
643 
644 YUV2RGBFUNC(yuv2rgb_c_1_ordered_dither, uint8_t, 0)
645  const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
646  char out_1 = 0, out_2 = 0;
647  g = c->table_gU[128 + YUVRGB_TABLE_HEADROOM] + c->table_gV[128 + YUVRGB_TABLE_HEADROOM];
648 
649 #define PUTRGB1(out, src, i, o) \
650  Y = src[2 * i]; \
651  out += out + g[Y + d128[0 + o]]; \
652  Y = src[2 * i + 1]; \
653  out += out + g[Y + d128[1 + o]];
654 
655  PUTRGB1(out_1, py_1, 0, 0);
656  PUTRGB1(out_2, py_2, 0, 0 + 8);
657 
658  PUTRGB1(out_2, py_2, 1, 2 + 8);
659  PUTRGB1(out_1, py_1, 1, 2);
660 
661  PUTRGB1(out_1, py_1, 2, 4);
662  PUTRGB1(out_2, py_2, 2, 4 + 8);
663 
664  PUTRGB1(out_2, py_2, 3, 6 + 8);
665  PUTRGB1(out_1, py_1, 3, 6);
666 
667  dst_1[0] = out_1;
668  dst_2[0] = out_2;
670 
672 {
673  SwsFunc t = NULL;
674 
675  if (ARCH_PPC)
676  t = ff_yuv2rgb_init_ppc(c);
677  if (ARCH_X86)
678  t = ff_yuv2rgb_init_x86(c);
679 
680  if (t)
681  return t;
682 
684  "No accelerated colorspace conversion found from %s to %s.\n",
685  av_get_pix_fmt_name(c->srcFormat), av_get_pix_fmt_name(c->dstFormat));
686 
687  switch (c->dstFormat) {
688  case AV_PIX_FMT_BGR48BE:
689  case AV_PIX_FMT_BGR48LE:
690  return yuv2rgb_c_bgr48;
691  case AV_PIX_FMT_RGB48BE:
692  case AV_PIX_FMT_RGB48LE:
693  return yuv2rgb_c_48;
694  case AV_PIX_FMT_ARGB:
695  case AV_PIX_FMT_ABGR:
696  if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat))
697  return yuva2argb_c;
698  case AV_PIX_FMT_RGBA:
699  case AV_PIX_FMT_BGRA:
700  return (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat)) ? yuva2rgba_c : yuv2rgb_c_32;
701  case AV_PIX_FMT_RGB24:
702  return yuv2rgb_c_24_rgb;
703  case AV_PIX_FMT_BGR24:
704  return yuv2rgb_c_24_bgr;
705  case AV_PIX_FMT_RGB565:
706  case AV_PIX_FMT_BGR565:
707  return yuv2rgb_c_16_ordered_dither;
708  case AV_PIX_FMT_RGB555:
709  case AV_PIX_FMT_BGR555:
710  return yuv2rgb_c_15_ordered_dither;
711  case AV_PIX_FMT_RGB444:
712  case AV_PIX_FMT_BGR444:
713  return yuv2rgb_c_12_ordered_dither;
714  case AV_PIX_FMT_RGB8:
715  case AV_PIX_FMT_BGR8:
716  return yuv2rgb_c_8_ordered_dither;
717  case AV_PIX_FMT_RGB4:
718  case AV_PIX_FMT_BGR4:
719  return yuv2rgb_c_4_ordered_dither;
722  return yuv2rgb_c_4b_ordered_dither;
724  return yuv2rgb_c_1_ordered_dither;
725  }
726  return NULL;
727 }
728 
729 static void fill_table(uint8_t* table[256 + 2*YUVRGB_TABLE_HEADROOM], const int elemsize,
730  const int64_t inc, void *y_tab)
731 {
732  int i;
733  uint8_t *y_table = y_tab;
734 
735  y_table -= elemsize * (inc >> 9);
736 
737  for (i = 0; i < 256 + 2*YUVRGB_TABLE_HEADROOM; i++) {
738  int64_t cb = av_clip_uint8(i-YUVRGB_TABLE_HEADROOM)*inc;
739  table[i] = y_table + elemsize * (cb >> 16);
740  }
741 }
742 
743 static void fill_gv_table(int table[256 + 2*YUVRGB_TABLE_HEADROOM], const int elemsize, const int64_t inc)
744 {
745  int i;
746  int off = -(inc >> 9);
747 
748  for (i = 0; i < 256 + 2*YUVRGB_TABLE_HEADROOM; i++) {
749  int64_t cb = av_clip_uint8(i-YUVRGB_TABLE_HEADROOM)*inc;
750  table[i] = elemsize * (off + (cb >> 16));
751  }
752 }
753 
754 static uint16_t roundToInt16(int64_t f)
755 {
756  int r = (f + (1 << 15)) >> 16;
757 
758  if (r < -0x7FFF)
759  return 0x8000;
760  else if (r > 0x7FFF)
761  return 0x7FFF;
762  else
763  return r;
764 }
765 
766 av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4],
767  int fullRange, int brightness,
768  int contrast, int saturation)
769 {
770  const int isRgb = c->dstFormat == AV_PIX_FMT_RGB32 ||
772  c->dstFormat == AV_PIX_FMT_BGR24 ||
779  c->dstFormat == AV_PIX_FMT_RGB8 ||
780  c->dstFormat == AV_PIX_FMT_RGB4 ||
783  const int isNotNe = c->dstFormat == AV_PIX_FMT_NE(RGB565LE, RGB565BE) ||
784  c->dstFormat == AV_PIX_FMT_NE(RGB555LE, RGB555BE) ||
785  c->dstFormat == AV_PIX_FMT_NE(RGB444LE, RGB444BE) ||
786  c->dstFormat == AV_PIX_FMT_NE(BGR565LE, BGR565BE) ||
787  c->dstFormat == AV_PIX_FMT_NE(BGR555LE, BGR555BE) ||
788  c->dstFormat == AV_PIX_FMT_NE(BGR444LE, BGR444BE);
789  const int bpp = c->dstFormatBpp;
790  uint8_t *y_table;
791  uint16_t *y_table16;
792  uint32_t *y_table32;
793  int i, base, rbase, gbase, bbase, av_uninit(abase), needAlpha;
794  const int yoffs = (fullRange ? 384 : 326) + YUVRGB_TABLE_LUMA_HEADROOM;
795  const int table_plane_size = 1024 + 2*YUVRGB_TABLE_LUMA_HEADROOM;
796 
797  int64_t crv = inv_table[0];
798  int64_t cbu = inv_table[1];
799  int64_t cgu = -inv_table[2];
800  int64_t cgv = -inv_table[3];
801  int64_t cy = 1 << 16;
802  int64_t oy = 0;
803  int64_t yb = 0;
804 
805  if (!fullRange) {
806  cy = (cy * 255) / 219;
807  oy = 16 << 16;
808  } else {
809  crv = (crv * 224) / 255;
810  cbu = (cbu * 224) / 255;
811  cgu = (cgu * 224) / 255;
812  cgv = (cgv * 224) / 255;
813  }
814 
815  cy = (cy * contrast) >> 16;
816  crv = (crv * contrast * saturation) >> 32;
817  cbu = (cbu * contrast * saturation) >> 32;
818  cgu = (cgu * contrast * saturation) >> 32;
819  cgv = (cgv * contrast * saturation) >> 32;
820  oy -= 256 * brightness;
821 
822  c->uOffset = 0x0400040004000400LL;
823  c->vOffset = 0x0400040004000400LL;
824  c->yCoeff = roundToInt16(cy * (1 << 13)) * 0x0001000100010001ULL;
825  c->vrCoeff = roundToInt16(crv * (1 << 13)) * 0x0001000100010001ULL;
826  c->ubCoeff = roundToInt16(cbu * (1 << 13)) * 0x0001000100010001ULL;
827  c->vgCoeff = roundToInt16(cgv * (1 << 13)) * 0x0001000100010001ULL;
828  c->ugCoeff = roundToInt16(cgu * (1 << 13)) * 0x0001000100010001ULL;
829  c->yOffset = roundToInt16(oy * (1 << 3)) * 0x0001000100010001ULL;
830 
831  c->yuv2rgb_y_coeff = (int16_t)roundToInt16(cy * (1 << 13));
832  c->yuv2rgb_y_offset = (int16_t)roundToInt16(oy * (1 << 9));
833  c->yuv2rgb_v2r_coeff = (int16_t)roundToInt16(crv * (1 << 13));
834  c->yuv2rgb_v2g_coeff = (int16_t)roundToInt16(cgv * (1 << 13));
835  c->yuv2rgb_u2g_coeff = (int16_t)roundToInt16(cgu * (1 << 13));
836  c->yuv2rgb_u2b_coeff = (int16_t)roundToInt16(cbu * (1 << 13));
837 
838  //scale coefficients by cy
839  crv = ((crv * (1 << 16)) + 0x8000) / FFMAX(cy, 1);
840  cbu = ((cbu * (1 << 16)) + 0x8000) / FFMAX(cy, 1);
841  cgu = ((cgu * (1 << 16)) + 0x8000) / FFMAX(cy, 1);
842  cgv = ((cgv * (1 << 16)) + 0x8000) / FFMAX(cy, 1);
843 
844  av_freep(&c->yuvTable);
845 
846 #define ALLOC_YUV_TABLE(x) \
847  c->yuvTable = av_malloc(x); \
848  if (!c->yuvTable) \
849  return AVERROR(ENOMEM);
850  switch (bpp) {
851  case 1:
852  ALLOC_YUV_TABLE(table_plane_size);
853  y_table = c->yuvTable;
854  yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
855  for (i = 0; i < table_plane_size - 110; i++) {
856  y_table[i + 110] = av_clip_uint8((yb + 0x8000) >> 16) >> 7;
857  yb += cy;
858  }
859  fill_table(c->table_gU, 1, cgu, y_table + yoffs);
860  fill_gv_table(c->table_gV, 1, cgv);
861  break;
862  case 4:
863  case 4 | 128:
864  rbase = isRgb ? 3 : 0;
865  gbase = 1;
866  bbase = isRgb ? 0 : 3;
867  ALLOC_YUV_TABLE(table_plane_size * 3);
868  y_table = c->yuvTable;
869  yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
870  for (i = 0; i < table_plane_size - 110; i++) {
871  int yval = av_clip_uint8((yb + 0x8000) >> 16);
872  y_table[i + 110] = (yval >> 7) << rbase;
873  y_table[i + 37 + table_plane_size] = ((yval + 43) / 85) << gbase;
874  y_table[i + 110 + 2*table_plane_size] = (yval >> 7) << bbase;
875  yb += cy;
876  }
877  fill_table(c->table_rV, 1, crv, y_table + yoffs);
878  fill_table(c->table_gU, 1, cgu, y_table + yoffs + table_plane_size);
879  fill_table(c->table_bU, 1, cbu, y_table + yoffs + 2*table_plane_size);
880  fill_gv_table(c->table_gV, 1, cgv);
881  break;
882  case 8:
883  rbase = isRgb ? 5 : 0;
884  gbase = isRgb ? 2 : 3;
885  bbase = isRgb ? 0 : 6;
886  ALLOC_YUV_TABLE(table_plane_size * 3);
887  y_table = c->yuvTable;
888  yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
889  for (i = 0; i < table_plane_size - 38; i++) {
890  int yval = av_clip_uint8((yb + 0x8000) >> 16);
891  y_table[i + 16] = ((yval + 18) / 36) << rbase;
892  y_table[i + 16 + table_plane_size] = ((yval + 18) / 36) << gbase;
893  y_table[i + 37 + 2*table_plane_size] = ((yval + 43) / 85) << bbase;
894  yb += cy;
895  }
896  fill_table(c->table_rV, 1, crv, y_table + yoffs);
897  fill_table(c->table_gU, 1, cgu, y_table + yoffs + table_plane_size);
898  fill_table(c->table_bU, 1, cbu, y_table + yoffs + 2*table_plane_size);
899  fill_gv_table(c->table_gV, 1, cgv);
900  break;
901  case 12:
902  rbase = isRgb ? 8 : 0;
903  gbase = 4;
904  bbase = isRgb ? 0 : 8;
905  ALLOC_YUV_TABLE(table_plane_size * 3 * 2);
906  y_table16 = c->yuvTable;
907  yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
908  for (i = 0; i < table_plane_size; i++) {
909  uint8_t yval = av_clip_uint8((yb + 0x8000) >> 16);
910  y_table16[i] = (yval >> 4) << rbase;
911  y_table16[i + table_plane_size] = (yval >> 4) << gbase;
912  y_table16[i + 2*table_plane_size] = (yval >> 4) << bbase;
913  yb += cy;
914  }
915  if (isNotNe)
916  for (i = 0; i < table_plane_size * 3; i++)
917  y_table16[i] = av_bswap16(y_table16[i]);
918  fill_table(c->table_rV, 2, crv, y_table16 + yoffs);
919  fill_table(c->table_gU, 2, cgu, y_table16 + yoffs + table_plane_size);
920  fill_table(c->table_bU, 2, cbu, y_table16 + yoffs + 2*table_plane_size);
921  fill_gv_table(c->table_gV, 2, cgv);
922  break;
923  case 15:
924  case 16:
925  rbase = isRgb ? bpp - 5 : 0;
926  gbase = 5;
927  bbase = isRgb ? 0 : (bpp - 5);
928  ALLOC_YUV_TABLE(table_plane_size * 3 * 2);
929  y_table16 = c->yuvTable;
930  yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
931  for (i = 0; i < table_plane_size; i++) {
932  uint8_t yval = av_clip_uint8((yb + 0x8000) >> 16);
933  y_table16[i] = (yval >> 3) << rbase;
934  y_table16[i + table_plane_size] = (yval >> (18 - bpp)) << gbase;
935  y_table16[i + 2*table_plane_size] = (yval >> 3) << bbase;
936  yb += cy;
937  }
938  if (isNotNe)
939  for (i = 0; i < table_plane_size * 3; i++)
940  y_table16[i] = av_bswap16(y_table16[i]);
941  fill_table(c->table_rV, 2, crv, y_table16 + yoffs);
942  fill_table(c->table_gU, 2, cgu, y_table16 + yoffs + table_plane_size);
943  fill_table(c->table_bU, 2, cbu, y_table16 + yoffs + 2*table_plane_size);
944  fill_gv_table(c->table_gV, 2, cgv);
945  break;
946  case 24:
947  case 48:
948  ALLOC_YUV_TABLE(table_plane_size);
949  y_table = c->yuvTable;
950  yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
951  for (i = 0; i < table_plane_size; i++) {
952  y_table[i] = av_clip_uint8((yb + 0x8000) >> 16);
953  yb += cy;
954  }
955  fill_table(c->table_rV, 1, crv, y_table + yoffs);
956  fill_table(c->table_gU, 1, cgu, y_table + yoffs);
957  fill_table(c->table_bU, 1, cbu, y_table + yoffs);
958  fill_gv_table(c->table_gV, 1, cgv);
959  break;
960  case 32:
961  case 64:
962  base = (c->dstFormat == AV_PIX_FMT_RGB32_1 ||
963  c->dstFormat == AV_PIX_FMT_BGR32_1) ? 8 : 0;
964  rbase = base + (isRgb ? 16 : 0);
965  gbase = base + 8;
966  bbase = base + (isRgb ? 0 : 16);
967  needAlpha = CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat);
968  if (!needAlpha)
969  abase = (base + 24) & 31;
970  ALLOC_YUV_TABLE(table_plane_size * 3 * 4);
971  y_table32 = c->yuvTable;
972  yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
973  for (i = 0; i < table_plane_size; i++) {
974  unsigned yval = av_clip_uint8((yb + 0x8000) >> 16);
975  y_table32[i] = (yval << rbase) +
976  (needAlpha ? 0 : (255u << abase));
977  y_table32[i + table_plane_size] = yval << gbase;
978  y_table32[i + 2*table_plane_size] = yval << bbase;
979  yb += cy;
980  }
981  fill_table(c->table_rV, 4, crv, y_table32 + yoffs);
982  fill_table(c->table_gU, 4, cgu, y_table32 + yoffs + table_plane_size);
983  fill_table(c->table_bU, 4, cbu, y_table32 + yoffs + 2*table_plane_size);
984  fill_gv_table(c->table_gV, 4, cgv);
985  break;
986  default:
987  if(!isPlanar(c->dstFormat) || bpp <= 24)
988  av_log(c, AV_LOG_ERROR, "%ibpp not supported by yuv2rgb\n", bpp);
989  return -1;
990  }
991  return 0;
992 }
uint64_t vrCoeff
dst_1[0]
Definition: yuv2rgb.c:667
#define NULL
Definition: coverity.c:32
char out_2
Definition: yuv2rgb.c:646
#define YUVRGB_TABLE_HEADROOM
pa_1
Definition: yuv2rgb.c:287
#define ARCH_PPC
Definition: config.h:29
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
packed RGB 8:8:8, 24bpp, RGBRGB...
Definition: pixfmt.h:68
packed RGB 1:2:1 bitstream, 4bpp, (msb)1B 2G 1R(lsb), a byte contains two pixels, the first pixel in ...
Definition: pixfmt.h:89
const uint8_t * e16
Definition: yuv2rgb.c:402
int acc
Definition: yuv2rgb.c:547
const uint8_t ff_dither_2x2_8[][8]
Definition: output.c:45
av_cold SwsFunc ff_yuv2rgb_init_x86(SwsContext *c)
Definition: yuv2rgb.c:72
packed RGB 5:5:5, 16bpp, (msb)1X 5R 5G 5B(lsb), little-endian, X=unused/undefined ...
Definition: pixfmt.h:120
uint8_t * table_bU[256+2 *YUVRGB_TABLE_HEADROOM]
#define av_bswap16
Definition: bswap.h:31
int dstFormatBpp
Number of bits per pixel of the destination pixel format.
#define ALLOC_YUV_TABLE(x)
#define PUTRGB15(dst, src, i, o)
Definition: yuv2rgb.c:435
packed RGB 4:4:4, 16bpp, (msb)4X 4R 4G 4B(lsb), big-endian, X=unused/undefined
Definition: pixfmt.h:155
#define PUTBGR24(dst, src, i)
Definition: yuv2rgb.c:93
#define AV_PIX_FMT_RGB444
Definition: pixfmt.h:372
const uint8_t ff_dither_8x8_220[][8]
Definition: output.c:84
packed RGB 1:2:1 bitstream, 4bpp, (msb)1R 2G 1B(lsb), a byte contains two pixels, the first pixel in ...
Definition: pixfmt.h:92
uint64_t ubCoeff
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:729
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), little-endian
Definition: pixfmt.h:118
packed RGB 1:2:1, 8bpp, (msb)1B 2G 1R(lsb)
Definition: pixfmt.h:90
const uint8_t ff_dither_8x8_32[][8]
Definition: output.c:59
#define PUTRGB(dst, src, i)
Definition: yuv2rgb.c:77
static double cb(void *priv, double x, double y)
Definition: vf_geq.c:106
const uint8_t ff_dither_2x2_4[][8]
Definition: output.c:39
uint8_t
#define av_cold
Definition: attributes.h:82
const uint8_t ff_dither_4x4_16[][8]
Definition: output.c:51
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:115
static void fill_gv_table(int table[256+2 *YUVRGB_TABLE_HEADROOM], const int elemsize, const int64_t inc)
Definition: yuv2rgb.c:743
packed RGB 4:4:4, 16bpp, (msb)4X 4R 4G 4B(lsb), little-endian, X=unused/undefined ...
Definition: pixfmt.h:154
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), big-endian
Definition: pixfmt.h:117
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
Definition: pixfmt.h:99
#define PUTRGB16(dst, src, i, o)
Definition: yuv2rgb.c:405
uint64_t yOffset
external API header
enum AVPixelFormat dstFormat
Destination pixel format.
#define isALPHA(x)
Definition: swscale.c:51
uint8_t * table_gU[256+2 *YUVRGB_TABLE_HEADROOM]
#define PUTRGBA(dst, ysrc, asrc, i, s)
Definition: yuv2rgb.c:103
#define av_log(a,...)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
#define AV_PIX_FMT_BGR32_1
Definition: pixfmt.h:360
#define AV_PIX_FMT_NE(be, le)
Definition: pixfmt.h:354
const int32_t ff_yuv2rgb_coeffs[11][4]
Definition: yuv2rgb.c:49
#define PUTBGR48(dst, src, i)
Definition: yuv2rgb.c:119
#define ARCH_X86
Definition: config.h:38
const uint8_t * d64
Definition: yuv2rgb.c:495
static const struct endianess table[]
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
Definition: pixfmt.h:100
const char * r
Definition: vf_curves.c:111
g
Definition: yuv2rgb.c:647
#define YUVRGB_TABLE_LUMA_HEADROOM
#define ENDYUV2RGBFUNC()
Definition: yuv2rgb.c:171
uint64_t ugCoeff
#define SWS_CS_DEFAULT
Definition: swscale.h:95
#define FFMAX(a, b)
Definition: common.h:94
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
Definition: pixfmt.h:97
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:164
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
Definition: pixfmt.h:98
#define YUV2RGBFUNC(func_name, dst_type, alpha)
Definition: yuv2rgb.c:129
static uint16_t roundToInt16(int64_t f)
Definition: yuv2rgb.c:754
packed RGB 1:2:1, 8bpp, (msb)1R 2G 1B(lsb)
Definition: pixfmt.h:93
uint64_t vgCoeff
uint64_t uOffset
int32_t
int table_gV[256+2 *YUVRGB_TABLE_HEADROOM]
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
packed RGB 8:8:8, 24bpp, BGRBGR...
Definition: pixfmt.h:69
uint8_t * table_rV[256+2 *YUVRGB_TABLE_HEADROOM]
#define PUTRGB4D(dst, src, i, o)
Definition: yuv2rgb.c:549
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:163
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:766
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:401
#define AV_PIX_FMT_BGR555
Definition: pixfmt.h:376
const uint8_t * f16
Definition: yuv2rgb.c:403
packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb)
Definition: pixfmt.h:88
#define CLOSEYUV2RGBFUNC(dst_delta)
Definition: yuv2rgb.c:177
SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c)
Definition: yuv2rgb.c:671
static av_always_inline int isPlanar(enum AVPixelFormat pix_fmt)
#define PUTRGB12(dst, src, i, o)
Definition: yuv2rgb.c:465
#define AV_PIX_FMT_RGB32
Definition: pixfmt.h:357
const uint8_t ff_dither_8x8_73[][8]
Definition: output.c:71
byte swapping routines
const uint8_t * d32
Definition: yuv2rgb.c:494
#define ENDYUV2RGBLINE(dst_delta, ss)
Definition: yuv2rgb.c:160
pa_2
Definition: yuv2rgb.c:288
#define u(width,...)
#define AV_PIX_FMT_BGR565
Definition: pixfmt.h:375
av_cold SwsFunc ff_yuv2rgb_init_ppc(SwsContext *c)
packed RGB 5:5:5, 16bpp, (msb)1X 5R 5G 5B(lsb), big-endian , X=unused/undefined
Definition: pixfmt.h:119
#define PUTRGB48(dst, src, i)
Definition: yuv2rgb.c:109
Y , 1bpp, 0 is black, 1 is white, in each byte pixels are ordered from the msb to the lsb...
Definition: pixfmt.h:76
#define CONFIG_SWSCALE_ALPHA
Definition: config.h:536
#define PUTRGB4DB(dst, src, i, o)
Definition: yuv2rgb.c:601
static double c[64]
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:114
#define PUTRGB8(dst, src, i, o)
Definition: yuv2rgb.c:497
#define AV_PIX_FMT_BGR444
Definition: pixfmt.h:377
enum AVPixelFormat srcFormat
Source pixel format.
const uint8_t * d128
Definition: yuv2rgb.c:546
packed RGB 3:3:2, 8bpp, (msb)2R 3G 3B(lsb)
Definition: pixfmt.h:91
#define AV_PIX_FMT_RGB555
Definition: pixfmt.h:371
#define PUTRGB1(out, src, i, o)
Definition: yuv2rgb.c:649
#define AV_PIX_FMT_RGB32_1
Definition: pixfmt.h:358
char out_1
Definition: yuv2rgb.c:646
uint64_t yCoeff
#define AV_PIX_FMT_RGB565
Definition: pixfmt.h:370
#define LOADCHROMA(i)
Definition: yuv2rgb.c:70
#define av_uninit(x)
Definition: attributes.h:148
#define av_freep(p)
dst_2[0]
Definition: yuv2rgb.c:668
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:2335
uint64_t vOffset
#define PUTRGB24(dst, src, i)
Definition: yuv2rgb.c:83