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/bswap.h"
31 #include "config.h"
32 #include "rgb2rgb.h"
33 #include "swscale.h"
34 #include "swscale_internal.h"
35 #include "libavutil/pixdesc.h"
36
37 /* Color space conversion coefficients for YCbCr -> RGB mapping.
38 *
39 * Entries are {crv, cbu, cgu, cgv}
40 *
41 * crv = (255 / 224) * 65536 * (1 - cr) / 0.5
42 * cbu = (255 / 224) * 65536 * (1 - cb) / 0.5
43 * cgu = (255 / 224) * 65536 * (cb / cg) * (1 - cb) / 0.5
44 * cgv = (255 / 224) * 65536 * (cr / cg) * (1 - cr) / 0.5
45 *
46 * where Y = cr * R + cg * G + cb * B and cr + cg + cb = 1.
47 */
48 const int32_t ff_yuv2rgb_coeffs[11][4] = {
49 { 117489, 138438, 13975, 34925 }, /* no sequence_display_extension */
50 { 117489, 138438, 13975, 34925 }, /* ITU-R Rec. 709 (1990) */
51 { 104597, 132201, 25675, 53279 }, /* unspecified */
52 { 104597, 132201, 25675, 53279 }, /* reserved */
53 { 104448, 132798, 24759, 53109 }, /* FCC */
54 { 104597, 132201, 25675, 53279 }, /* ITU-R Rec. 624-4 System B, G */
55 { 104597, 132201, 25675, 53279 }, /* SMPTE 170M */
56 { 117579, 136230, 16907, 35559 }, /* SMPTE 240M (1987) */
57 { 0 }, /* YCgCo */
58 { 110013, 140363, 12277, 42626 }, /* Bt-2020-NCL */
59 { 110013, 140363, 12277, 42626 }, /* Bt-2020-CL */
60 };
61
sws_getCoefficients(int colorspace)62 const int *sws_getCoefficients(int colorspace)
63 {
64 if (colorspace > 10 || colorspace < 0 || colorspace == 8)
65 colorspace = SWS_CS_DEFAULT;
66 return ff_yuv2rgb_coeffs[colorspace];
67 }
68
69 #define LOADCHROMA(i) \
70 U = pu[i]; \
71 V = pv[i]; \
72 r = (void *)c->table_rV[V+YUVRGB_TABLE_HEADROOM]; \
73 g = (void *)(c->table_gU[U+YUVRGB_TABLE_HEADROOM] + c->table_gV[V+YUVRGB_TABLE_HEADROOM]); \
74 b = (void *)c->table_bU[U+YUVRGB_TABLE_HEADROOM];
75
76 #define PUTRGB(dst, src, i) \
77 Y = src[2 * i]; \
78 dst[2 * i] = r[Y] + g[Y] + b[Y]; \
79 Y = src[2 * i + 1]; \
80 dst[2 * i + 1] = r[Y] + g[Y] + b[Y];
81
82 #define PUTRGB24(dst, src, i) \
83 Y = src[2 * i]; \
84 dst[6 * i + 0] = r[Y]; \
85 dst[6 * i + 1] = g[Y]; \
86 dst[6 * i + 2] = b[Y]; \
87 Y = src[2 * i + 1]; \
88 dst[6 * i + 3] = r[Y]; \
89 dst[6 * i + 4] = g[Y]; \
90 dst[6 * i + 5] = b[Y];
91
92 #define PUTBGR24(dst, src, i) \
93 Y = src[2 * i]; \
94 dst[6 * i + 0] = b[Y]; \
95 dst[6 * i + 1] = g[Y]; \
96 dst[6 * i + 2] = r[Y]; \
97 Y = src[2 * i + 1]; \
98 dst[6 * i + 3] = b[Y]; \
99 dst[6 * i + 4] = g[Y]; \
100 dst[6 * i + 5] = r[Y];
101
102 #define PUTRGBA(dst, ysrc, asrc, i, s) \
103 Y = ysrc[2 * i]; \
104 dst[2 * i] = r[Y] + g[Y] + b[Y] + ((uint32_t)asrc[2 * i] << s); \
105 Y = ysrc[2 * i + 1]; \
106 dst[2 * i + 1] = r[Y] + g[Y] + b[Y] + ((uint32_t)asrc[2 * i + 1] << s);
107
108 #define PUTRGB48(dst, src, i) \
109 Y = src[ 2 * i]; \
110 dst[12 * i + 0] = dst[12 * i + 1] = r[Y]; \
111 dst[12 * i + 2] = dst[12 * i + 3] = g[Y]; \
112 dst[12 * i + 4] = dst[12 * i + 5] = b[Y]; \
113 Y = src[ 2 * i + 1]; \
114 dst[12 * i + 6] = dst[12 * i + 7] = r[Y]; \
115 dst[12 * i + 8] = dst[12 * i + 9] = g[Y]; \
116 dst[12 * i + 10] = dst[12 * i + 11] = b[Y];
117
118 #define PUTBGR48(dst, src, i) \
119 Y = src[2 * i]; \
120 dst[12 * i + 0] = dst[12 * i + 1] = b[Y]; \
121 dst[12 * i + 2] = dst[12 * i + 3] = g[Y]; \
122 dst[12 * i + 4] = dst[12 * i + 5] = r[Y]; \
123 Y = src[2 * i + 1]; \
124 dst[12 * i + 6] = dst[12 * i + 7] = b[Y]; \
125 dst[12 * i + 8] = dst[12 * i + 9] = g[Y]; \
126 dst[12 * i + 10] = dst[12 * i + 11] = r[Y];
127
128 #define YUV2RGBFUNC(func_name, dst_type, alpha) \
129 static int func_name(SwsContext *c, const uint8_t *src[], \
130 int srcStride[], int srcSliceY, int srcSliceH, \
131 uint8_t *dst[], int dstStride[]) \
132 { \
133 int y; \
134 \
135 if (!alpha && c->srcFormat == AV_PIX_FMT_YUV422P) { \
136 srcStride[1] *= 2; \
137 srcStride[2] *= 2; \
138 } \
139 for (y = 0; y < srcSliceH; y += 2) { \
140 int yd = y + srcSliceY; \
141 dst_type *dst_1 = \
142 (dst_type *)(dst[0] + (yd) * dstStride[0]); \
143 dst_type *dst_2 = \
144 (dst_type *)(dst[0] + (yd + 1) * dstStride[0]); \
145 dst_type av_unused *r, *g, *b; \
146 const uint8_t *py_1 = src[0] + y * srcStride[0]; \
147 const uint8_t *py_2 = py_1 + srcStride[0]; \
148 const uint8_t av_unused *pu = src[1] + (y >> 1) * srcStride[1]; \
149 const uint8_t av_unused *pv = src[2] + (y >> 1) * srcStride[2]; \
150 const uint8_t av_unused *pa_1, *pa_2; \
151 unsigned int h_size = c->dstW >> 3; \
152 if (alpha) { \
153 pa_1 = src[3] + y * srcStride[3]; \
154 pa_2 = pa_1 + srcStride[3]; \
155 } \
156 while (h_size--) { \
157 int av_unused U, V, Y; \
158
159 #define ENDYUV2RGBLINE(dst_delta, ss) \
160 pu += 4 >> ss; \
161 pv += 4 >> ss; \
162 py_1 += 8 >> ss; \
163 py_2 += 8 >> ss; \
164 dst_1 += dst_delta >> ss; \
165 dst_2 += dst_delta >> ss; \
166 } \
167 if (c->dstW & (4 >> ss)) { \
168 int av_unused Y, U, V; \
169
170 #define ENDYUV2RGBFUNC() \
171 } \
172 } \
173 return srcSliceH; \
174 }
175
176 #define CLOSEYUV2RGBFUNC(dst_delta) \
177 ENDYUV2RGBLINE(dst_delta, 0) \
178 ENDYUV2RGBFUNC()
179
180 YUV2RGBFUNC(yuv2rgb_c_48, uint8_t, 0)
181 LOADCHROMA(0);
182 PUTRGB48(dst_1, py_1, 0);
183 PUTRGB48(dst_2, py_2, 0);
184
185 LOADCHROMA(1);
186 PUTRGB48(dst_2, py_2, 1);
187 PUTRGB48(dst_1, py_1, 1);
188
189 LOADCHROMA(2);
190 PUTRGB48(dst_1, py_1, 2);
191 PUTRGB48(dst_2, py_2, 2);
192
193 LOADCHROMA(3);
194 PUTRGB48(dst_2, py_2, 3);
195 PUTRGB48(dst_1, py_1, 3);
196 ENDYUV2RGBLINE(48, 0)
197 LOADCHROMA(0);
198 PUTRGB48(dst_1, py_1, 0);
199 PUTRGB48(dst_2, py_2, 0);
200
201 LOADCHROMA(1);
202 PUTRGB48(dst_2, py_2, 1);
203 PUTRGB48(dst_1, py_1, 1);
204 ENDYUV2RGBLINE(48, 1)
205 LOADCHROMA(0);
206 PUTRGB48(dst_1, py_1, 0);
207 PUTRGB48(dst_2, py_2, 0);
208 ENDYUV2RGBFUNC()
209
210 YUV2RGBFUNC(yuv2rgb_c_bgr48, uint8_t, 0)
211 LOADCHROMA(0);
212 PUTBGR48(dst_1, py_1, 0);
213 PUTBGR48(dst_2, py_2, 0);
214
215 LOADCHROMA(1);
216 PUTBGR48(dst_2, py_2, 1);
217 PUTBGR48(dst_1, py_1, 1);
218
219 LOADCHROMA(2);
220 PUTBGR48(dst_1, py_1, 2);
221 PUTBGR48(dst_2, py_2, 2);
222
223 LOADCHROMA(3);
224 PUTBGR48(dst_2, py_2, 3);
225 PUTBGR48(dst_1, py_1, 3);
226 ENDYUV2RGBLINE(48, 0)
227 LOADCHROMA(0);
228 PUTBGR48(dst_1, py_1, 0);
229 PUTBGR48(dst_2, py_2, 0);
230
231 LOADCHROMA(1);
232 PUTBGR48(dst_2, py_2, 1);
233 PUTBGR48(dst_1, py_1, 1);
234 ENDYUV2RGBLINE(48, 1)
235 LOADCHROMA(0);
236 PUTBGR48(dst_1, py_1, 0);
237 PUTBGR48(dst_2, py_2, 0);
238 ENDYUV2RGBFUNC()
239
240 YUV2RGBFUNC(yuv2rgb_c_32, uint32_t, 0)
241 LOADCHROMA(0);
242 PUTRGB(dst_1, py_1, 0);
243 PUTRGB(dst_2, py_2, 0);
244
245 LOADCHROMA(1);
246 PUTRGB(dst_2, py_2, 1);
247 PUTRGB(dst_1, py_1, 1);
248
249 LOADCHROMA(2);
250 PUTRGB(dst_1, py_1, 2);
251 PUTRGB(dst_2, py_2, 2);
252
253 LOADCHROMA(3);
254 PUTRGB(dst_2, py_2, 3);
255 PUTRGB(dst_1, py_1, 3);
256 ENDYUV2RGBLINE(8, 0)
257 LOADCHROMA(0);
258 PUTRGB(dst_1, py_1, 0);
259 PUTRGB(dst_2, py_2, 0);
260
261 LOADCHROMA(1);
262 PUTRGB(dst_2, py_2, 1);
263 PUTRGB(dst_1, py_1, 1);
264 ENDYUV2RGBLINE(8, 1)
265 LOADCHROMA(0);
266 PUTRGB(dst_1, py_1, 0);
267 PUTRGB(dst_2, py_2, 0);
268 ENDYUV2RGBFUNC()
269
270 #if HAVE_BIGENDIAN
271 YUV2RGBFUNC(yuva2argb_c, uint32_t, 1)
272 #else
273 YUV2RGBFUNC(yuva2rgba_c, uint32_t, 1)
274 #endif
275 LOADCHROMA(0);
276 PUTRGBA(dst_1, py_1, pa_1, 0, 24);
277 PUTRGBA(dst_2, py_2, pa_2, 0, 24);
278
279 LOADCHROMA(1);
280 PUTRGBA(dst_2, py_2, pa_2, 1, 24);
281 PUTRGBA(dst_1, py_1, pa_1, 1, 24);
282
283 LOADCHROMA(2);
284 PUTRGBA(dst_1, py_1, pa_1, 2, 24);
285 PUTRGBA(dst_2, py_2, pa_2, 2, 24);
286
287 LOADCHROMA(3);
288 PUTRGBA(dst_2, py_2, pa_2, 3, 24);
289 PUTRGBA(dst_1, py_1, pa_1, 3, 24);
290 pa_1 += 8;
291 pa_2 += 8;
292 ENDYUV2RGBLINE(8, 0)
293 LOADCHROMA(0);
294 PUTRGBA(dst_1, py_1, pa_1, 0, 24);
295 PUTRGBA(dst_2, py_2, pa_2, 0, 24);
296
297 LOADCHROMA(1);
298 PUTRGBA(dst_2, py_2, pa_2, 1, 24);
299 PUTRGBA(dst_1, py_1, pa_1, 1, 24);
300 pa_1 += 4;
301 pa_2 += 4;
302 ENDYUV2RGBLINE(8, 1)
303 LOADCHROMA(0);
304 PUTRGBA(dst_1, py_1, pa_1, 0, 24);
305 PUTRGBA(dst_2, py_2, pa_2, 0, 24);
306 ENDYUV2RGBFUNC()
307
308 #if HAVE_BIGENDIAN
309 YUV2RGBFUNC(yuva2rgba_c, uint32_t, 1)
310 #else
311 YUV2RGBFUNC(yuva2argb_c, uint32_t, 1)
312 #endif
313 LOADCHROMA(0);
314 PUTRGBA(dst_1, py_1, pa_1, 0, 0);
315 PUTRGBA(dst_2, py_2, pa_2, 0, 0);
316
317 LOADCHROMA(1);
318 PUTRGBA(dst_2, py_2, pa_2, 1, 0);
319 PUTRGBA(dst_1, py_1, pa_1, 1, 0);
320
321 LOADCHROMA(2);
322 PUTRGBA(dst_1, py_1, pa_1, 2, 0);
323 PUTRGBA(dst_2, py_2, pa_2, 2, 0);
324
325 LOADCHROMA(3);
326 PUTRGBA(dst_2, py_2, pa_2, 3, 0);
327 PUTRGBA(dst_1, py_1, pa_1, 3, 0);
328 pa_1 += 8;
329 pa_2 += 8;
330 ENDYUV2RGBLINE(8, 0)
331 LOADCHROMA(0);
332 PUTRGBA(dst_1, py_1, pa_1, 0, 0);
333 PUTRGBA(dst_2, py_2, pa_2, 0, 0);
334
335 LOADCHROMA(1);
336 PUTRGBA(dst_2, py_2, pa_2, 1, 0);
337 PUTRGBA(dst_1, py_1, pa_1, 1, 0);
338 pa_1 += 4;
339 pa_2 += 4;
340 ENDYUV2RGBLINE(8, 1)
341 LOADCHROMA(0);
342 PUTRGBA(dst_1, py_1, pa_1, 0, 0);
343 PUTRGBA(dst_2, py_2, pa_2, 0, 0);
344 ENDYUV2RGBFUNC()
345
346 YUV2RGBFUNC(yuv2rgb_c_24_rgb, uint8_t, 0)
347 LOADCHROMA(0);
348 PUTRGB24(dst_1, py_1, 0);
349 PUTRGB24(dst_2, py_2, 0);
350
351 LOADCHROMA(1);
352 PUTRGB24(dst_2, py_2, 1);
353 PUTRGB24(dst_1, py_1, 1);
354
355 LOADCHROMA(2);
356 PUTRGB24(dst_1, py_1, 2);
357 PUTRGB24(dst_2, py_2, 2);
358
359 LOADCHROMA(3);
360 PUTRGB24(dst_2, py_2, 3);
361 PUTRGB24(dst_1, py_1, 3);
362 ENDYUV2RGBLINE(24, 0)
363 LOADCHROMA(0);
364 PUTRGB24(dst_1, py_1, 0);
365 PUTRGB24(dst_2, py_2, 0);
366
367 LOADCHROMA(1);
368 PUTRGB24(dst_2, py_2, 1);
369 PUTRGB24(dst_1, py_1, 1);
370 ENDYUV2RGBLINE(24, 1)
371 LOADCHROMA(0);
372 PUTRGB24(dst_1, py_1, 0);
373 PUTRGB24(dst_2, py_2, 0);
374 ENDYUV2RGBFUNC()
375
376 // only trivial mods from yuv2rgb_c_24_rgb
377 YUV2RGBFUNC(yuv2rgb_c_24_bgr, uint8_t, 0)
378 LOADCHROMA(0);
379 PUTBGR24(dst_1, py_1, 0);
380 PUTBGR24(dst_2, py_2, 0);
381
382 LOADCHROMA(1);
383 PUTBGR24(dst_2, py_2, 1);
384 PUTBGR24(dst_1, py_1, 1);
385
386 LOADCHROMA(2);
387 PUTBGR24(dst_1, py_1, 2);
388 PUTBGR24(dst_2, py_2, 2);
389
390 LOADCHROMA(3);
391 PUTBGR24(dst_2, py_2, 3);
392 PUTBGR24(dst_1, py_1, 3);
393 ENDYUV2RGBLINE(24, 0)
394 LOADCHROMA(0);
395 PUTBGR24(dst_1, py_1, 0);
396 PUTBGR24(dst_2, py_2, 0);
397
398 LOADCHROMA(1);
399 PUTBGR24(dst_2, py_2, 1);
400 PUTBGR24(dst_1, py_1, 1);
401 ENDYUV2RGBLINE(24, 1)
402 LOADCHROMA(0);
403 PUTBGR24(dst_1, py_1, 0);
404 PUTBGR24(dst_2, py_2, 0);
405 ENDYUV2RGBFUNC()
406
407 YUV2RGBFUNC(yuv2rgb_c_16_ordered_dither, uint16_t, 0)
408 const uint8_t *d16 = ff_dither_2x2_8[y & 1];
409 const uint8_t *e16 = ff_dither_2x2_4[y & 1];
410 const uint8_t *f16 = ff_dither_2x2_8[(y & 1)^1];
411
412 #define PUTRGB16(dst, src, i, o) \
413 Y = src[2 * i]; \
414 dst[2 * i] = r[Y + d16[0 + o]] + \
415 g[Y + e16[0 + o]] + \
416 b[Y + f16[0 + o]]; \
417 Y = src[2 * i + 1]; \
418 dst[2 * i + 1] = r[Y + d16[1 + o]] + \
419 g[Y + e16[1 + o]] + \
420 b[Y + f16[1 + o]];
421 LOADCHROMA(0);
422 PUTRGB16(dst_1, py_1, 0, 0);
423 PUTRGB16(dst_2, py_2, 0, 0 + 8);
424
425 LOADCHROMA(1);
426 PUTRGB16(dst_2, py_2, 1, 2 + 8);
427 PUTRGB16(dst_1, py_1, 1, 2);
428
429 LOADCHROMA(2);
430 PUTRGB16(dst_1, py_1, 2, 4);
431 PUTRGB16(dst_2, py_2, 2, 4 + 8);
432
433 LOADCHROMA(3);
434 PUTRGB16(dst_2, py_2, 3, 6 + 8);
435 PUTRGB16(dst_1, py_1, 3, 6);
436 CLOSEYUV2RGBFUNC(8)
437
438 YUV2RGBFUNC(yuv2rgb_c_15_ordered_dither, uint16_t, 0)
439 const uint8_t *d16 = ff_dither_2x2_8[y & 1];
440 const uint8_t *e16 = ff_dither_2x2_8[(y & 1)^1];
441
442 #define PUTRGB15(dst, src, i, o) \
443 Y = src[2 * i]; \
444 dst[2 * i] = r[Y + d16[0 + o]] + \
445 g[Y + d16[1 + o]] + \
446 b[Y + e16[0 + o]]; \
447 Y = src[2 * i + 1]; \
448 dst[2 * i + 1] = r[Y + d16[1 + o]] + \
449 g[Y + d16[0 + o]] + \
450 b[Y + e16[1 + o]];
451 LOADCHROMA(0);
452 PUTRGB15(dst_1, py_1, 0, 0);
453 PUTRGB15(dst_2, py_2, 0, 0 + 8);
454
455 LOADCHROMA(1);
456 PUTRGB15(dst_2, py_2, 1, 2 + 8);
457 PUTRGB15(dst_1, py_1, 1, 2);
458
459 LOADCHROMA(2);
460 PUTRGB15(dst_1, py_1, 2, 4);
461 PUTRGB15(dst_2, py_2, 2, 4 + 8);
462
463 LOADCHROMA(3);
464 PUTRGB15(dst_2, py_2, 3, 6 + 8);
465 PUTRGB15(dst_1, py_1, 3, 6);
466 CLOSEYUV2RGBFUNC(8)
467
468 // r, g, b, dst_1, dst_2
469 YUV2RGBFUNC(yuv2rgb_c_12_ordered_dither, uint16_t, 0)
470 const uint8_t *d16 = ff_dither_4x4_16[y & 3];
471
472 #define PUTRGB12(dst, src, i, o) \
473 Y = src[2 * i]; \
474 dst[2 * i] = r[Y + d16[0 + o]] + \
475 g[Y + d16[0 + o]] + \
476 b[Y + d16[0 + o]]; \
477 Y = src[2 * i + 1]; \
478 dst[2 * i + 1] = r[Y + d16[1 + o]] + \
479 g[Y + d16[1 + o]] + \
480 b[Y + d16[1 + o]];
481
482 LOADCHROMA(0);
483 PUTRGB12(dst_1, py_1, 0, 0);
484 PUTRGB12(dst_2, py_2, 0, 0 + 8);
485
486 LOADCHROMA(1);
487 PUTRGB12(dst_2, py_2, 1, 2 + 8);
488 PUTRGB12(dst_1, py_1, 1, 2);
489
490 LOADCHROMA(2);
491 PUTRGB12(dst_1, py_1, 2, 4);
492 PUTRGB12(dst_2, py_2, 2, 4 + 8);
493
494 LOADCHROMA(3);
495 PUTRGB12(dst_2, py_2, 3, 6 + 8);
496 PUTRGB12(dst_1, py_1, 3, 6);
497 CLOSEYUV2RGBFUNC(8)
498
499 // r, g, b, dst_1, dst_2
500 YUV2RGBFUNC(yuv2rgb_c_8_ordered_dither, uint8_t, 0)
501 const uint8_t *d32 = ff_dither_8x8_32[yd & 7];
502 const uint8_t *d64 = ff_dither_8x8_73[yd & 7];
503
504 #define PUTRGB8(dst, src, i, o) \
505 Y = src[2 * i]; \
506 dst[2 * i] = r[Y + d32[0 + o]] + \
507 g[Y + d32[0 + o]] + \
508 b[Y + d64[0 + o]]; \
509 Y = src[2 * i + 1]; \
510 dst[2 * i + 1] = r[Y + d32[1 + o]] + \
511 g[Y + d32[1 + o]] + \
512 b[Y + d64[1 + o]];
513
514 LOADCHROMA(0);
515 PUTRGB8(dst_1, py_1, 0, 0);
516 PUTRGB8(dst_2, py_2, 0, 0 + 8);
517
518 LOADCHROMA(1);
519 PUTRGB8(dst_2, py_2, 1, 2 + 8);
520 PUTRGB8(dst_1, py_1, 1, 2);
521
522 LOADCHROMA(2);
523 PUTRGB8(dst_1, py_1, 2, 4);
524 PUTRGB8(dst_2, py_2, 2, 4 + 8);
525
526 LOADCHROMA(3);
527 PUTRGB8(dst_2, py_2, 3, 6 + 8);
528 PUTRGB8(dst_1, py_1, 3, 6);
529
530 ENDYUV2RGBLINE(8, 0)
531 const uint8_t *d32 = ff_dither_8x8_32[yd & 7];
532 const uint8_t *d64 = ff_dither_8x8_73[yd & 7];
533 LOADCHROMA(0);
534 PUTRGB8(dst_1, py_1, 0, 0);
535 PUTRGB8(dst_2, py_2, 0, 0 + 8);
536
537 LOADCHROMA(1);
538 PUTRGB8(dst_2, py_2, 1, 2 + 8);
539 PUTRGB8(dst_1, py_1, 1, 2);
540
541 ENDYUV2RGBLINE(8, 1)
542 const uint8_t *d32 = ff_dither_8x8_32[yd & 7];
543 const uint8_t *d64 = ff_dither_8x8_73[yd & 7];
544 LOADCHROMA(0);
545 PUTRGB8(dst_1, py_1, 0, 0);
546 PUTRGB8(dst_2, py_2, 0, 0 + 8);
547
548 ENDYUV2RGBFUNC()
549
550
551 YUV2RGBFUNC(yuv2rgb_c_4_ordered_dither, uint8_t, 0)
552 const uint8_t * d64 = ff_dither_8x8_73[yd & 7];
553 const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
554 int acc;
555
556 #define PUTRGB4D(dst, src, i, o) \
557 Y = src[2 * i]; \
558 acc = r[Y + d128[0 + o]] + \
559 g[Y + d64[0 + o]] + \
560 b[Y + d128[0 + o]]; \
561 Y = src[2 * i + 1]; \
562 acc |= (r[Y + d128[1 + o]] + \
563 g[Y + d64[1 + o]] + \
564 b[Y + d128[1 + o]]) << 4; \
565 dst[i] = acc;
566
567 LOADCHROMA(0);
568 PUTRGB4D(dst_1, py_1, 0, 0);
569 PUTRGB4D(dst_2, py_2, 0, 0 + 8);
570
571 LOADCHROMA(1);
572 PUTRGB4D(dst_2, py_2, 1, 2 + 8);
573 PUTRGB4D(dst_1, py_1, 1, 2);
574
575 LOADCHROMA(2);
576 PUTRGB4D(dst_1, py_1, 2, 4);
577 PUTRGB4D(dst_2, py_2, 2, 4 + 8);
578
579 LOADCHROMA(3);
580 PUTRGB4D(dst_2, py_2, 3, 6 + 8);
581 PUTRGB4D(dst_1, py_1, 3, 6);
582
583 ENDYUV2RGBLINE(4, 0)
584 const uint8_t * d64 = ff_dither_8x8_73[yd & 7];
585 const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
586 int acc;
587 LOADCHROMA(0);
588 PUTRGB4D(dst_1, py_1, 0, 0);
589 PUTRGB4D(dst_2, py_2, 0, 0 + 8);
590
591 LOADCHROMA(1);
592 PUTRGB4D(dst_2, py_2, 1, 2 + 8);
593 PUTRGB4D(dst_1, py_1, 1, 2);
594
595 ENDYUV2RGBLINE(4, 1)
596 const uint8_t * d64 = ff_dither_8x8_73[yd & 7];
597 const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
598 int acc;
599 LOADCHROMA(0);
600 PUTRGB4D(dst_1, py_1, 0, 0);
601 PUTRGB4D(dst_2, py_2, 0, 0 + 8);
602 ENDYUV2RGBFUNC()
603
604 YUV2RGBFUNC(yuv2rgb_c_4b_ordered_dither, uint8_t, 0)
605 const uint8_t *d64 = ff_dither_8x8_73[yd & 7];
606 const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
607
608 #define PUTRGB4DB(dst, src, i, o) \
609 Y = src[2 * i]; \
610 dst[2 * i] = r[Y + d128[0 + o]] + \
611 g[Y + d64[0 + o]] + \
612 b[Y + d128[0 + o]]; \
613 Y = src[2 * i + 1]; \
614 dst[2 * i + 1] = r[Y + d128[1 + o]] + \
615 g[Y + d64[1 + o]] + \
616 b[Y + d128[1 + o]];
617
618 LOADCHROMA(0);
619 PUTRGB4DB(dst_1, py_1, 0, 0);
620 PUTRGB4DB(dst_2, py_2, 0, 0 + 8);
621
622 LOADCHROMA(1);
623 PUTRGB4DB(dst_2, py_2, 1, 2 + 8);
624 PUTRGB4DB(dst_1, py_1, 1, 2);
625
626 LOADCHROMA(2);
627 PUTRGB4DB(dst_1, py_1, 2, 4);
628 PUTRGB4DB(dst_2, py_2, 2, 4 + 8);
629
630 LOADCHROMA(3);
631 PUTRGB4DB(dst_2, py_2, 3, 6 + 8);
632 PUTRGB4DB(dst_1, py_1, 3, 6);
633 ENDYUV2RGBLINE(8, 0)
634 const uint8_t *d64 = ff_dither_8x8_73[yd & 7];
635 const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
636 LOADCHROMA(0);
637 PUTRGB4DB(dst_1, py_1, 0, 0);
638 PUTRGB4DB(dst_2, py_2, 0, 0 + 8);
639
640 LOADCHROMA(1);
641 PUTRGB4DB(dst_2, py_2, 1, 2 + 8);
642 PUTRGB4DB(dst_1, py_1, 1, 2);
643 ENDYUV2RGBLINE(8, 1)
644 const uint8_t *d64 = ff_dither_8x8_73[yd & 7];
645 const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
646 LOADCHROMA(0);
647 PUTRGB4DB(dst_1, py_1, 0, 0);
648 PUTRGB4DB(dst_2, py_2, 0, 0 + 8);
649 ENDYUV2RGBFUNC()
650
651 YUV2RGBFUNC(yuv2rgb_c_1_ordered_dither, uint8_t, 0)
652 const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
653 char out_1 = 0, out_2 = 0;
654 g = c->table_gU[128 + YUVRGB_TABLE_HEADROOM] + c->table_gV[128 + YUVRGB_TABLE_HEADROOM];
655
656 #define PUTRGB1(out, src, i, o) \
657 Y = src[2 * i]; \
658 out += out + g[Y + d128[0 + o]]; \
659 Y = src[2 * i + 1]; \
660 out += out + g[Y + d128[1 + o]];
661
662 PUTRGB1(out_1, py_1, 0, 0);
663 PUTRGB1(out_2, py_2, 0, 0 + 8);
664
665 PUTRGB1(out_2, py_2, 1, 2 + 8);
666 PUTRGB1(out_1, py_1, 1, 2);
667
668 PUTRGB1(out_1, py_1, 2, 4);
669 PUTRGB1(out_2, py_2, 2, 4 + 8);
670
671 PUTRGB1(out_2, py_2, 3, 6 + 8);
672 PUTRGB1(out_1, py_1, 3, 6);
673
674 dst_1[0] = out_1;
675 dst_2[0] = out_2;
676 CLOSEYUV2RGBFUNC(1)
677
ff_yuv2rgb_get_func_ptr(SwsContext * c)678 SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c)
679 {
680 SwsFunc t = NULL;
681
682 #if ARCH_PPC
683 t = ff_yuv2rgb_init_ppc(c);
684 #elif ARCH_X86
685 t = ff_yuv2rgb_init_x86(c);
686 #endif
687
688 if (t)
689 return t;
690
691 av_log(c, AV_LOG_WARNING,
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;
728 case AV_PIX_FMT_RGB4_BYTE:
729 case AV_PIX_FMT_BGR4_BYTE:
730 return yuv2rgb_c_4b_ordered_dither;
731 case AV_PIX_FMT_MONOBLACK:
732 return yuv2rgb_c_1_ordered_dither;
733 }
734 return NULL;
735 }
736
fill_table(uint8_t * table[256+2* YUVRGB_TABLE_HEADROOM],const int elemsize,const int64_t inc,void * y_tab)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++) {
746 int64_t cb = av_clip_uint8(i-YUVRGB_TABLE_HEADROOM)*inc;
747 table[i] = y_table + elemsize * (cb >> 16);
748 }
749 }
750
fill_gv_table(int table[256+2* YUVRGB_TABLE_HEADROOM],const int elemsize,const int64_t inc)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++) {
757 int64_t cb = av_clip_uint8(i-YUVRGB_TABLE_HEADROOM)*inc;
758 table[i] = elemsize * (off + (cb >> 16));
759 }
760 }
761
roundToInt16(int64_t f)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
ff_yuv2rgb_c_init_tables(SwsContext * c,const int inv_table[4],int fullRange,int brightness,int contrast,int saturation)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_X2RGB10BE ||
788 c->dstFormat == AV_PIX_FMT_X2RGB10LE ||
789 c->dstFormat == AV_PIX_FMT_RGB8 ||
790 c->dstFormat == AV_PIX_FMT_RGB4 ||
791 c->dstFormat == AV_PIX_FMT_RGB4_BYTE ||
792 c->dstFormat == AV_PIX_FMT_MONOBLACK;
793 const int isNotNe = c->dstFormat == AV_PIX_FMT_NE(RGB565LE, RGB565BE) ||
794 c->dstFormat == AV_PIX_FMT_NE(RGB555LE, RGB555BE) ||
795 c->dstFormat == AV_PIX_FMT_NE(RGB444LE, RGB444BE) ||
796 c->dstFormat == AV_PIX_FMT_NE(BGR565LE, BGR565BE) ||
797 c->dstFormat == AV_PIX_FMT_NE(BGR555LE, BGR555BE) ||
798 c->dstFormat == AV_PIX_FMT_NE(BGR444LE, BGR444BE) ||
799 c->dstFormat == AV_PIX_FMT_NE(X2RGB10LE, X2RGB10BE) ||
800 c->dstFormat == AV_PIX_FMT_NE(X2BGR10LE, X2BGR10BE);
801 const int bpp = c->dstFormatBpp;
802 uint8_t *y_table;
803 uint16_t *y_table16;
804 uint32_t *y_table32;
805 int i, base, rbase, gbase, bbase, av_uninit(abase), needAlpha;
806 const int yoffs = (fullRange ? 384 : 326) + YUVRGB_TABLE_LUMA_HEADROOM;
807 const int table_plane_size = 1024 + 2*YUVRGB_TABLE_LUMA_HEADROOM;
808
809 int64_t crv = inv_table[0];
810 int64_t cbu = inv_table[1];
811 int64_t cgu = -inv_table[2];
812 int64_t cgv = -inv_table[3];
813 int64_t cy = 1 << 16;
814 int64_t oy = 0;
815 int64_t yb = 0;
816
817 if (!fullRange) {
818 cy = (cy * 255) / 219;
819 oy = 16 << 16;
820 } else {
821 crv = (crv * 224) / 255;
822 cbu = (cbu * 224) / 255;
823 cgu = (cgu * 224) / 255;
824 cgv = (cgv * 224) / 255;
825 }
826
827 cy = (cy * contrast) >> 16;
828 crv = (crv * contrast * saturation) >> 32;
829 cbu = (cbu * contrast * saturation) >> 32;
830 cgu = (cgu * contrast * saturation) >> 32;
831 cgv = (cgv * contrast * saturation) >> 32;
832 oy -= 256 * brightness;
833
834 c->uOffset = 0x0400040004000400LL;
835 c->vOffset = 0x0400040004000400LL;
836 c->yCoeff = roundToInt16(cy * (1 << 13)) * 0x0001000100010001ULL;
837 c->vrCoeff = roundToInt16(crv * (1 << 13)) * 0x0001000100010001ULL;
838 c->ubCoeff = roundToInt16(cbu * (1 << 13)) * 0x0001000100010001ULL;
839 c->vgCoeff = roundToInt16(cgv * (1 << 13)) * 0x0001000100010001ULL;
840 c->ugCoeff = roundToInt16(cgu * (1 << 13)) * 0x0001000100010001ULL;
841 c->yOffset = roundToInt16(oy * (1 << 3)) * 0x0001000100010001ULL;
842
843 c->yuv2rgb_y_coeff = (int16_t)roundToInt16(cy * (1 << 13));
844 c->yuv2rgb_y_offset = (int16_t)roundToInt16(oy * (1 << 9));
845 c->yuv2rgb_v2r_coeff = (int16_t)roundToInt16(crv * (1 << 13));
846 c->yuv2rgb_v2g_coeff = (int16_t)roundToInt16(cgv * (1 << 13));
847 c->yuv2rgb_u2g_coeff = (int16_t)roundToInt16(cgu * (1 << 13));
848 c->yuv2rgb_u2b_coeff = (int16_t)roundToInt16(cbu * (1 << 13));
849
850 //scale coefficients by cy
851 crv = ((crv * (1 << 16)) + 0x8000) / FFMAX(cy, 1);
852 cbu = ((cbu * (1 << 16)) + 0x8000) / FFMAX(cy, 1);
853 cgu = ((cgu * (1 << 16)) + 0x8000) / FFMAX(cy, 1);
854 cgv = ((cgv * (1 << 16)) + 0x8000) / FFMAX(cy, 1);
855
856 av_freep(&c->yuvTable);
857
858 #define ALLOC_YUV_TABLE(x) \
859 c->yuvTable = av_malloc(x); \
860 if (!c->yuvTable) \
861 return AVERROR(ENOMEM);
862 switch (bpp) {
863 case 1:
864 ALLOC_YUV_TABLE(table_plane_size);
865 y_table = c->yuvTable;
866 yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
867 for (i = 0; i < table_plane_size - 110; i++) {
868 y_table[i + 110] = av_clip_uint8((yb + 0x8000) >> 16) >> 7;
869 yb += cy;
870 }
871 fill_table(c->table_gU, 1, cgu, y_table + yoffs);
872 fill_gv_table(c->table_gV, 1, cgv);
873 break;
874 case 4:
875 case 4 | 128:
876 rbase = isRgb ? 3 : 0;
877 gbase = 1;
878 bbase = isRgb ? 0 : 3;
879 ALLOC_YUV_TABLE(table_plane_size * 3);
880 y_table = c->yuvTable;
881 yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
882 for (i = 0; i < table_plane_size - 110; i++) {
883 int yval = av_clip_uint8((yb + 0x8000) >> 16);
884 y_table[i + 110] = (yval >> 7) << rbase;
885 y_table[i + 37 + table_plane_size] = ((yval + 43) / 85) << gbase;
886 y_table[i + 110 + 2*table_plane_size] = (yval >> 7) << bbase;
887 yb += cy;
888 }
889 fill_table(c->table_rV, 1, crv, y_table + yoffs);
890 fill_table(c->table_gU, 1, cgu, y_table + yoffs + table_plane_size);
891 fill_table(c->table_bU, 1, cbu, y_table + yoffs + 2*table_plane_size);
892 fill_gv_table(c->table_gV, 1, cgv);
893 break;
894 case 8:
895 rbase = isRgb ? 5 : 0;
896 gbase = isRgb ? 2 : 3;
897 bbase = isRgb ? 0 : 6;
898 ALLOC_YUV_TABLE(table_plane_size * 3);
899 y_table = c->yuvTable;
900 yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
901 for (i = 0; i < table_plane_size - 38; i++) {
902 int yval = av_clip_uint8((yb + 0x8000) >> 16);
903 y_table[i + 16] = ((yval + 18) / 36) << rbase;
904 y_table[i + 16 + table_plane_size] = ((yval + 18) / 36) << gbase;
905 y_table[i + 37 + 2*table_plane_size] = ((yval + 43) / 85) << bbase;
906 yb += cy;
907 }
908 fill_table(c->table_rV, 1, crv, y_table + yoffs);
909 fill_table(c->table_gU, 1, cgu, y_table + yoffs + table_plane_size);
910 fill_table(c->table_bU, 1, cbu, y_table + yoffs + 2*table_plane_size);
911 fill_gv_table(c->table_gV, 1, cgv);
912 break;
913 case 12:
914 rbase = isRgb ? 8 : 0;
915 gbase = 4;
916 bbase = isRgb ? 0 : 8;
917 ALLOC_YUV_TABLE(table_plane_size * 3 * 2);
918 y_table16 = c->yuvTable;
919 yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
920 for (i = 0; i < table_plane_size; i++) {
921 uint8_t yval = av_clip_uint8((yb + 0x8000) >> 16);
922 y_table16[i] = (yval >> 4) << rbase;
923 y_table16[i + table_plane_size] = (yval >> 4) << gbase;
924 y_table16[i + 2*table_plane_size] = (yval >> 4) << bbase;
925 yb += cy;
926 }
927 if (isNotNe)
928 for (i = 0; i < table_plane_size * 3; i++)
929 y_table16[i] = av_bswap16(y_table16[i]);
930 fill_table(c->table_rV, 2, crv, y_table16 + yoffs);
931 fill_table(c->table_gU, 2, cgu, y_table16 + yoffs + table_plane_size);
932 fill_table(c->table_bU, 2, cbu, y_table16 + yoffs + 2*table_plane_size);
933 fill_gv_table(c->table_gV, 2, cgv);
934 break;
935 case 15:
936 case 16:
937 rbase = isRgb ? bpp - 5 : 0;
938 gbase = 5;
939 bbase = isRgb ? 0 : (bpp - 5);
940 ALLOC_YUV_TABLE(table_plane_size * 3 * 2);
941 y_table16 = c->yuvTable;
942 yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
943 for (i = 0; i < table_plane_size; i++) {
944 uint8_t yval = av_clip_uint8((yb + 0x8000) >> 16);
945 y_table16[i] = (yval >> 3) << rbase;
946 y_table16[i + table_plane_size] = (yval >> (18 - bpp)) << gbase;
947 y_table16[i + 2*table_plane_size] = (yval >> 3) << bbase;
948 yb += cy;
949 }
950 if (isNotNe)
951 for (i = 0; i < table_plane_size * 3; i++)
952 y_table16[i] = av_bswap16(y_table16[i]);
953 fill_table(c->table_rV, 2, crv, y_table16 + yoffs);
954 fill_table(c->table_gU, 2, cgu, y_table16 + yoffs + table_plane_size);
955 fill_table(c->table_bU, 2, cbu, y_table16 + yoffs + 2*table_plane_size);
956 fill_gv_table(c->table_gV, 2, cgv);
957 break;
958 case 24:
959 case 48:
960 ALLOC_YUV_TABLE(table_plane_size);
961 y_table = c->yuvTable;
962 yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
963 for (i = 0; i < table_plane_size; i++) {
964 y_table[i] = av_clip_uint8((yb + 0x8000) >> 16);
965 yb += cy;
966 }
967 fill_table(c->table_rV, 1, crv, y_table + yoffs);
968 fill_table(c->table_gU, 1, cgu, y_table + yoffs);
969 fill_table(c->table_bU, 1, cbu, y_table + yoffs);
970 fill_gv_table(c->table_gV, 1, cgv);
971 break;
972 case 30:
973 rbase = isRgb ? 20 : 0;
974 gbase = 10;
975 bbase = isRgb ? 0 : 20;
976 needAlpha = CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat);
977 if (!needAlpha)
978 abase = 30;
979 ALLOC_YUV_TABLE(table_plane_size * 3 * 4);
980 y_table32 = c->yuvTable;
981 yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
982 for (i = 0; i < table_plane_size; i++) {
983 unsigned yval = av_clip_uintp2((yb + 0x8000) >> 14, 10);
984 y_table32[i]= (yval << rbase) + (needAlpha ? 0 : (255u << abase));
985 y_table32[i + table_plane_size] = yval << gbase;
986 y_table32[i + 2 * table_plane_size] = yval << bbase;
987 yb += cy;
988 }
989 if (isNotNe) {
990 for (i = 0; i < table_plane_size * 3; i++)
991 y_table32[i] = av_bswap32(y_table32[i]);
992 }
993 fill_table(c->table_rV, 4, crv, y_table32 + yoffs);
994 fill_table(c->table_gU, 4, cgu, y_table32 + yoffs + table_plane_size);
995 fill_table(c->table_bU, 4, cbu, y_table32 + yoffs + 2 * table_plane_size);
996 fill_gv_table(c->table_gV, 4, cgv);
997 break;
998 case 32:
999 case 64:
1000 base = (c->dstFormat == AV_PIX_FMT_RGB32_1 ||
1001 c->dstFormat == AV_PIX_FMT_BGR32_1) ? 8 : 0;
1002 rbase = base + (isRgb ? 16 : 0);
1003 gbase = base + 8;
1004 bbase = base + (isRgb ? 0 : 16);
1005 needAlpha = CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat);
1006 if (!needAlpha)
1007 abase = (base + 24) & 31;
1008 ALLOC_YUV_TABLE(table_plane_size * 3 * 4);
1009 y_table32 = c->yuvTable;
1010 yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
1011 for (i = 0; i < table_plane_size; i++) {
1012 unsigned yval = av_clip_uint8((yb + 0x8000) >> 16);
1013 y_table32[i] = (yval << rbase) +
1014 (needAlpha ? 0 : (255u << abase));
1015 y_table32[i + table_plane_size] = yval << gbase;
1016 y_table32[i + 2*table_plane_size] = yval << bbase;
1017 yb += cy;
1018 }
1019 fill_table(c->table_rV, 4, crv, y_table32 + yoffs);
1020 fill_table(c->table_gU, 4, cgu, y_table32 + yoffs + table_plane_size);
1021 fill_table(c->table_bU, 4, cbu, y_table32 + yoffs + 2*table_plane_size);
1022 fill_gv_table(c->table_gV, 4, cgv);
1023 break;
1024 default:
1025 if(!isPlanar(c->dstFormat) || bpp <= 24)
1026 av_log(c, AV_LOG_ERROR, "%ibpp not supported by yuv2rgb\n", bpp);
1027 return AVERROR(EINVAL);
1028 }
1029 return 0;
1030 }
1031