FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libswscale/rgb2rgb_template.c
Date: 2026-05-01 13:04:54
Exec Total Coverage
Lines: 194 485 40.0%
Functions: 20 46 43.5%
Branches: 45 112 40.2%

Line Branch Exec Source
1 /*
2 * software RGB to RGB converter
3 * pluralize by software PAL8 to RGB converter
4 * software YUV to YUV converter
5 * software YUV to RGB converter
6 * Written by Nick Kurshev.
7 * palette & YUV & runtime CPU stuff by Michael (michaelni@gmx.at)
8 * lot of big-endian byte order fixes by Alex Beregszaszi
9 *
10 * This file is part of FFmpeg.
11 *
12 * FFmpeg is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU Lesser General Public
14 * License as published by the Free Software Foundation; either
15 * version 2.1 of the License, or (at your option) any later version.
16 *
17 * FFmpeg is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * Lesser General Public License for more details.
21 *
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with FFmpeg; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 */
26
27 #include <stddef.h>
28
29 #include "libavutil/attributes.h"
30
31 123 static inline void rgb24tobgr32_c(const uint8_t *src, uint8_t *dst,
32 int src_size)
33 {
34 123 uint8_t *dest = dst;
35 123 const uint8_t *s = src;
36 123 const uint8_t *end = s + src_size;
37
38
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839719 while (s < end) {
39 #if HAVE_BIGENDIAN
40 /* RGB24 (= R, G, B) -> RGB32 (= A, B, G, R) */
41 *dest++ = 255;
42 *dest++ = s[2];
43 *dest++ = s[1];
44 *dest++ = s[0];
45 s += 3;
46 #else
47 839596 *dest++ = *s++;
48 839596 *dest++ = *s++;
49 839596 *dest++ = *s++;
50 839596 *dest++ = 255;
51 #endif
52 }
53 123 }
54
55 61 static inline void rgb32tobgr24_c(const uint8_t *src, uint8_t *dst,
56 int src_size)
57 {
58 61 uint8_t *dest = dst;
59 61 const uint8_t *s = src;
60 61 const uint8_t *end = s + src_size;
61
62
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55302 while (s < end) {
63 #if HAVE_BIGENDIAN
64 /* RGB32 (= A, B, G, R) -> RGB24 (= R, G, B) */
65 s++;
66 dest[2] = *s++;
67 dest[1] = *s++;
68 dest[0] = *s++;
69 dest += 3;
70 #else
71 55241 *dest++ = *s++;
72 55241 *dest++ = *s++;
73 55241 *dest++ = *s++;
74 55241 s++;
75 #endif
76 }
77 61 }
78
79 /*
80 * original by Strepto/Astral
81 * ported to gcc & bugfixed: A'rpi
82 * MMXEXT, 3DNOW optimization by Nick Kurshev
83 * 32-bit C version, and and&add trick by Michael Niedermayer
84 */
85 static inline void rgb15to16_c(const uint8_t *src, uint8_t *dst, int src_size)
86 {
87 register uint8_t *d = dst;
88 register const uint8_t *s = src;
89 register const uint8_t *end = s + src_size;
90 const uint8_t *mm_end = end - 3;
91
92 while (s < mm_end) {
93 register unsigned x = *((const uint32_t *)s);
94 *((uint32_t *)d) = (x & 0x7FFF7FFF) + (x & 0x7FE07FE0);
95 d += 4;
96 s += 4;
97 }
98 if (s < end) {
99 register unsigned short x = *((const uint16_t *)s);
100 *((uint16_t *)d) = (x & 0x7FFF) + (x & 0x7FE0);
101 }
102 }
103
104 static inline void rgb16to15_c(const uint8_t *src, uint8_t *dst, int src_size)
105 {
106 register uint8_t *d = dst;
107 register const uint8_t *s = src;
108 register const uint8_t *end = s + src_size;
109 const uint8_t *mm_end = end - 3;
110
111 while (s < mm_end) {
112 register uint32_t x = *((const uint32_t *)s);
113 *((uint32_t *)d) = ((x >> 1) & 0x7FE07FE0) | (x & 0x001F001F);
114 s += 4;
115 d += 4;
116 }
117 if (s < end) {
118 register uint16_t x = *((const uint16_t *)s);
119 *((uint16_t *)d) = ((x >> 1) & 0x7FE0) | (x & 0x001F);
120 }
121 }
122
123 static inline void rgb32to16_c(const uint8_t *src, uint8_t *dst, int src_size)
124 {
125 uint16_t *d = (uint16_t *)dst;
126 const uint8_t *s = src;
127 const uint8_t *end = s + src_size;
128
129 while (s < end) {
130 register int rgb = *(const uint32_t *)s;
131 s += 4;
132 *d++ = ((rgb & 0xFF) >> 3) +
133 ((rgb & 0xFC00) >> 5) +
134 ((rgb & 0xF80000) >> 8);
135 }
136 }
137
138 static inline void rgb32tobgr16_c(const uint8_t *src, uint8_t *dst,
139 int src_size)
140 {
141 uint16_t *d = (uint16_t *)dst;
142 const uint8_t *s = src;
143 const uint8_t *end = s + src_size;
144
145 while (s < end) {
146 register int rgb = *(const uint32_t *)s;
147 s += 4;
148 *d++ = ((rgb & 0xF8) << 8) +
149 ((rgb & 0xFC00) >> 5) +
150 ((rgb & 0xF80000) >> 19);
151 }
152 }
153
154 static inline void rgb32to15_c(const uint8_t *src, uint8_t *dst, int src_size)
155 {
156 uint16_t *d = (uint16_t *)dst;
157 const uint8_t *s = src;
158 const uint8_t *end = s + src_size;
159
160 while (s < end) {
161 register int rgb = *(const uint32_t *)s;
162 s += 4;
163 *d++ = ((rgb & 0xFF) >> 3) +
164 ((rgb & 0xF800) >> 6) +
165 ((rgb & 0xF80000) >> 9);
166 }
167 }
168
169 static inline void rgb32tobgr15_c(const uint8_t *src, uint8_t *dst,
170 int src_size)
171 {
172 uint16_t *d = (uint16_t *)dst;
173 const uint8_t *s = src;
174 const uint8_t *end = s + src_size;
175
176 while (s < end) {
177 register int rgb = *(const uint32_t *)s;
178 s += 4;
179 *d++ = ((rgb & 0xF8) << 7) +
180 ((rgb & 0xF800) >> 6) +
181 ((rgb & 0xF80000) >> 19);
182 }
183 }
184
185 static inline void rgb24tobgr16_c(const uint8_t *src, uint8_t *dst,
186 int src_size)
187 {
188 uint16_t *d = (uint16_t *)dst;
189 const uint8_t *s = src;
190 const uint8_t *end = s + src_size;
191
192 while (s < end) {
193 const int b = *s++;
194 const int g = *s++;
195 const int r = *s++;
196 *d++ = (b >> 3) | ((g & 0xFC) << 3) | ((r & 0xF8) << 8);
197 }
198 }
199
200 static inline void rgb24to16_c(const uint8_t *src, uint8_t *dst, int src_size)
201 {
202 uint16_t *d = (uint16_t *)dst;
203 const uint8_t *s = src;
204 const uint8_t *end = s + src_size;
205
206 while (s < end) {
207 const int r = *s++;
208 const int g = *s++;
209 const int b = *s++;
210 *d++ = (b >> 3) | ((g & 0xFC) << 3) | ((r & 0xF8) << 8);
211 }
212 }
213
214 static inline void rgb24tobgr15_c(const uint8_t *src, uint8_t *dst,
215 int src_size)
216 {
217 uint16_t *d = (uint16_t *)dst;
218 const uint8_t *s = src;
219 const uint8_t *end = s + src_size;
220
221 while (s < end) {
222 const int b = *s++;
223 const int g = *s++;
224 const int r = *s++;
225 *d++ = (b >> 3) | ((g & 0xF8) << 2) | ((r & 0xF8) << 7);
226 }
227 }
228
229 static inline void rgb24to15_c(const uint8_t *src, uint8_t *dst, int src_size)
230 {
231 uint16_t *d = (uint16_t *)dst;
232 const uint8_t *s = src;
233 const uint8_t *end = s + src_size;
234
235 while (s < end) {
236 const int r = *s++;
237 const int g = *s++;
238 const int b = *s++;
239 *d++ = (b >> 3) | ((g & 0xF8) << 2) | ((r & 0xF8) << 7);
240 }
241 }
242
243 19497 static inline void rgb15tobgr24_c(const uint8_t *src, uint8_t *dst,
244 int src_size)
245 {
246 19497 uint8_t *d = dst;
247 19497 const uint16_t *s = (const uint16_t *)src;
248 19497 const uint16_t *end = s + src_size / 2;
249
250
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4827689 while (s < end) {
251 4808192 register uint16_t bgr = *s++;
252 4808192 *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
253 4808192 *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7);
254 4808192 *d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
255 }
256 19497 }
257
258 static inline void rgb16tobgr24_c(const uint8_t *src, uint8_t *dst,
259 int src_size)
260 {
261 uint8_t *d = (uint8_t *)dst;
262 const uint16_t *s = (const uint16_t *)src;
263 const uint16_t *end = s + src_size / 2;
264
265 while (s < end) {
266 register uint16_t bgr = *s++;
267 *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
268 *d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9);
269 *d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13);
270 }
271 }
272
273 static inline void rgb15to32_c(const uint8_t *src, uint8_t *dst, int src_size)
274 {
275 uint8_t *d = dst;
276 const uint16_t *s = (const uint16_t *)src;
277 const uint16_t *end = s + src_size / 2;
278
279 while (s < end) {
280 register uint16_t bgr = *s++;
281 #if HAVE_BIGENDIAN
282 *d++ = 255;
283 *d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
284 *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7);
285 *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
286 #else
287 *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
288 *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7);
289 *d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
290 *d++ = 255;
291 #endif
292 }
293 }
294
295 static inline void rgb16to32_c(const uint8_t *src, uint8_t *dst, int src_size)
296 {
297 uint8_t *d = dst;
298 const uint16_t *s = (const uint16_t *)src;
299 const uint16_t *end = s + src_size / 2;
300
301 while (s < end) {
302 register uint16_t bgr = *s++;
303 #if HAVE_BIGENDIAN
304 *d++ = 255;
305 *d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13);
306 *d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9);
307 *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
308 #else
309 *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
310 *d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9);
311 *d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13);
312 *d++ = 255;
313 #endif
314 }
315 }
316
317 122 static inline void shuffle_bytes_2103_c(const uint8_t *src, uint8_t *dst,
318 int src_size)
319 {
320 122 int idx = 15 - src_size;
321 122 const uint8_t *s = src - idx;
322 122 uint8_t *d = dst - idx;
323
324
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442089 for (; idx < 15; idx += 4) {
325 441967 register unsigned v = *(const uint32_t *)&s[idx], g = v & 0xff00ff00;
326 441967 v &= 0xff00ff;
327 441967 *(uint32_t *)&d[idx] = (v >> 16) + g + (v << 16);
328 }
329 122 }
330
331 18 static inline void shuffle_bytes_0321_c(const uint8_t *src, uint8_t *dst,
332 int src_size)
333 {
334 18 int idx = 15 - src_size;
335 18 const uint8_t *s = src - idx;
336 18 uint8_t *d = dst - idx;
337
338
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201 for (; idx < 15; idx += 4) {
339 183 register unsigned v = *(const uint32_t *)&s[idx], g = v & 0x00ff00ff;
340 183 v &= 0xff00ff00;
341 183 *(uint32_t *)&d[idx] = (v >> 16) + g + (v << 16);
342 }
343 18 }
344
345 #define DEFINE_SHUFFLE_BYTES(name, a, b, c, d) \
346 static void shuffle_bytes_##name (const uint8_t *src, \
347 uint8_t *dst, int src_size) \
348 { \
349 int i; \
350 \
351 for (i = 0; i < src_size; i += 4) { \
352 dst[i + 0] = src[i + a]; \
353 dst[i + 1] = src[i + b]; \
354 dst[i + 2] = src[i + c]; \
355 dst[i + 3] = src[i + d]; \
356 } \
357 }
358
359
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201 DEFINE_SHUFFLE_BYTES(1230_c, 1, 2, 3, 0)
360
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201 DEFINE_SHUFFLE_BYTES(3012_c, 3, 0, 1, 2)
361
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8986035 DEFINE_SHUFFLE_BYTES(3210_c, 3, 2, 1, 0)
362
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201 DEFINE_SHUFFLE_BYTES(3102_c, 3, 1, 0, 2)
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201 DEFINE_SHUFFLE_BYTES(2013_c, 2, 0, 1, 3)
364
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201 DEFINE_SHUFFLE_BYTES(2130_c, 2, 1, 3, 0)
365
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201 DEFINE_SHUFFLE_BYTES(1203_c, 1, 2, 0, 3)
366
367 888 static inline void rgb24tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
368 {
369 unsigned i;
370
371
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8003505 for (i = 0; i < src_size; i += 3) {
372 8002617 register uint8_t x = src[i + 2];
373 8002617 dst[i + 1] = src[i + 1];
374 8002617 dst[i + 2] = src[i + 0];
375 8002617 dst[i + 0] = x;
376 }
377 888 }
378
379 static inline void yuvPlanartoyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
380 const uint8_t *vsrc, uint8_t *dst,
381 int width, int height,
382 int lumStride, int chromStride,
383 int dstStride, int vertLumPerChroma)
384 {
385 int y, i;
386 const int chromWidth = width >> 1;
387
388 for (y = 0; y < height; y++) {
389 #if HAVE_FAST_64BIT
390 uint64_t *ldst = (uint64_t *)dst;
391 const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
392 for (i = 0; i < chromWidth; i += 2) {
393 uint64_t k = yc[0] + (uc[0] << 8) +
394 (yc[1] << 16) + ((unsigned) vc[0] << 24);
395 uint64_t l = yc[2] + (uc[1] << 8) +
396 (yc[3] << 16) + ((unsigned) vc[1] << 24);
397 *ldst++ = k + (l << 32);
398 yc += 4;
399 uc += 2;
400 vc += 2;
401 }
402
403 #else
404 int *idst = (int32_t *)dst;
405 const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
406
407 for (i = 0; i < chromWidth; i++) {
408 #if HAVE_BIGENDIAN
409 *idst++ = (yc[0] << 24) + (uc[0] << 16) +
410 (yc[1] << 8) + (vc[0] << 0);
411 #else
412 *idst++ = yc[0] + (uc[0] << 8) +
413 (yc[1] << 16) + (vc[0] << 24);
414 #endif
415 yc += 2;
416 uc++;
417 vc++;
418 }
419 #endif
420 if ((y & (vertLumPerChroma - 1)) == vertLumPerChroma - 1) {
421 usrc += chromStride;
422 vsrc += chromStride;
423 }
424 ysrc += lumStride;
425 dst += dstStride;
426 }
427 }
428
429 /**
430 * Height should be a multiple of 2 and width should be a multiple of 16.
431 * (If this is a problem for anyone then tell me, and I will fix it.)
432 */
433 static inline void yv12toyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
434 const uint8_t *vsrc, uint8_t *dst,
435 int width, int height, int lumStride,
436 int chromStride, int dstStride)
437 {
438 //FIXME interpolate chroma
439 yuvPlanartoyuy2_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
440 chromStride, dstStride, 2);
441 }
442
443 static inline void yuvPlanartouyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
444 const uint8_t *vsrc, uint8_t *dst,
445 int width, int height,
446 int lumStride, int chromStride,
447 int dstStride, int vertLumPerChroma)
448 {
449 int y, i;
450 const int chromWidth = width >> 1;
451
452 for (y = 0; y < height; y++) {
453 #if HAVE_FAST_64BIT
454 uint64_t *ldst = (uint64_t *)dst;
455 const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
456 for (i = 0; i < chromWidth; i += 2) {
457 uint64_t k = uc[0] + (yc[0] << 8) +
458 (vc[0] << 16) + ((unsigned) yc[1] << 24);
459 uint64_t l = uc[1] + (yc[2] << 8) +
460 (vc[1] << 16) + ((unsigned) yc[3] << 24);
461 *ldst++ = k + (l << 32);
462 yc += 4;
463 uc += 2;
464 vc += 2;
465 }
466
467 #else
468 int *idst = (int32_t *)dst;
469 const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
470
471 for (i = 0; i < chromWidth; i++) {
472 #if HAVE_BIGENDIAN
473 *idst++ = ((unsigned)uc[0] << 24) + (yc[0] << 16) +
474 (vc[0] << 8) + (yc[1] << 0);
475 #else
476 *idst++ = uc[0] + (yc[0] << 8) +
477 (vc[0] << 16) + ((unsigned)yc[1] << 24);
478 #endif
479 yc += 2;
480 uc++;
481 vc++;
482 }
483 #endif
484 if ((y & (vertLumPerChroma - 1)) == vertLumPerChroma - 1) {
485 usrc += chromStride;
486 vsrc += chromStride;
487 }
488 ysrc += lumStride;
489 dst += dstStride;
490 }
491 }
492
493 /**
494 * Height should be a multiple of 2 and width should be a multiple of 16
495 * (If this is a problem for anyone then tell me, and I will fix it.)
496 */
497 static inline void yv12touyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
498 const uint8_t *vsrc, uint8_t *dst,
499 int width, int height, int lumStride,
500 int chromStride, int dstStride)
501 {
502 //FIXME interpolate chroma
503 yuvPlanartouyvy_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
504 chromStride, dstStride, 2);
505 }
506
507 /**
508 * Width should be a multiple of 16.
509 */
510 static inline void yuv422ptouyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
511 const uint8_t *vsrc, uint8_t *dst,
512 int width, int height, int lumStride,
513 int chromStride, int dstStride)
514 {
515 yuvPlanartouyvy_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
516 chromStride, dstStride, 1);
517 }
518
519 /**
520 * Width should be a multiple of 16.
521 */
522 static inline void yuv422ptoyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
523 const uint8_t *vsrc, uint8_t *dst,
524 int width, int height, int lumStride,
525 int chromStride, int dstStride)
526 {
527 yuvPlanartoyuy2_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
528 chromStride, dstStride, 1);
529 }
530
531 static inline void planar2x_c(const uint8_t *src, uint8_t *dst, int srcWidth,
532 int srcHeight, int srcStride, int dstStride)
533 {
534 int x, y;
535
536 dst[0] = src[0];
537
538 // first line
539 for (x = 0; x < srcWidth - 1; x++) {
540 dst[2 * x + 1] = (3 * src[x] + src[x + 1]) >> 2;
541 dst[2 * x + 2] = (src[x] + 3 * src[x + 1]) >> 2;
542 }
543 dst[2 * srcWidth - 1] = src[srcWidth - 1];
544
545 dst += dstStride;
546
547 for (y = 1; y < srcHeight; y++) {
548 const int mmxSize = 1;
549
550 dst[0] = (src[0] * 3 + src[srcStride]) >> 2;
551 dst[dstStride] = (src[0] + 3 * src[srcStride]) >> 2;
552
553 for (x = mmxSize - 1; x < srcWidth - 1; x++) {
554 dst[2 * x + 1] = (src[x + 0] * 3 + src[x + srcStride + 1]) >> 2;
555 dst[2 * x + dstStride + 2] = (src[x + 0] + 3 * src[x + srcStride + 1]) >> 2;
556 dst[2 * x + dstStride + 1] = (src[x + 1] + 3 * src[x + srcStride]) >> 2;
557 dst[2 * x + 2] = (src[x + 1] * 3 + src[x + srcStride]) >> 2;
558 }
559 dst[srcWidth * 2 - 1] = (src[srcWidth - 1] * 3 + src[srcWidth - 1 + srcStride]) >> 2;
560 dst[srcWidth * 2 - 1 + dstStride] = (src[srcWidth - 1] + 3 * src[srcWidth - 1 + srcStride]) >> 2;
561
562 dst += dstStride * 2;
563 src += srcStride;
564 }
565
566 // last line
567 dst[0] = src[0];
568
569 for (x = 0; x < srcWidth - 1; x++) {
570 dst[2 * x + 1] = (src[x] * 3 + src[x + 1]) >> 2;
571 dst[2 * x + 2] = (src[x] + 3 * src[x + 1]) >> 2;
572 }
573 dst[2 * srcWidth - 1] = src[srcWidth - 1];
574 }
575
576 /**
577 * width should be a multiple of 2.
578 * (If this is a problem for anyone then tell me, and I will fix it.)
579 */
580 10 void ff_rgb24toyv12_c(const uint8_t *src, uint8_t *ydst, uint8_t *udst,
581 uint8_t *vdst, int width, int height, int lumStride,
582 int chromStride, int srcStride, const int32_t *rgb2yuv)
583 {
584 10 int32_t ry = rgb2yuv[RY_IDX], gy = rgb2yuv[GY_IDX], by = rgb2yuv[BY_IDX];
585 10 int32_t ru = rgb2yuv[RU_IDX], gu = rgb2yuv[GU_IDX], bu = rgb2yuv[BU_IDX];
586 10 int32_t rv = rgb2yuv[RV_IDX], gv = rgb2yuv[GV_IDX], bv = rgb2yuv[BV_IDX];
587 int y;
588 10 const int chromWidth = width >> 1;
589 10 const uint8_t *src1 = src;
590 10 const uint8_t *src2 = src1 + srcStride;
591 10 uint8_t *ydst1 = ydst;
592 10 uint8_t *ydst2 = ydst + lumStride;
593
594
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294 for (y = 0; y < height; y += 2) {
595 int i;
596
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284 if (y + 1 == height) {
597 ydst2 = ydst1;
598 src2 = src1;
599 }
600
601
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17500 for (i = 0; i < chromWidth; i++) {
602 17216 unsigned int b11 = src1[6 * i + 0];
603 17216 unsigned int g11 = src1[6 * i + 1];
604 17216 unsigned int r11 = src1[6 * i + 2];
605 17216 unsigned int b12 = src1[6 * i + 3];
606 17216 unsigned int g12 = src1[6 * i + 4];
607 17216 unsigned int r12 = src1[6 * i + 5];
608 17216 unsigned int b21 = src2[6 * i + 0];
609 17216 unsigned int g21 = src2[6 * i + 1];
610 17216 unsigned int r21 = src2[6 * i + 2];
611 17216 unsigned int b22 = src2[6 * i + 3];
612 17216 unsigned int g22 = src2[6 * i + 4];
613 17216 unsigned int r22 = src2[6 * i + 5];
614
615 17216 unsigned int Y11 = ((ry * r11 + gy * g11 + by * b11) >> RGB2YUV_SHIFT) + 16;
616 17216 unsigned int Y12 = ((ry * r12 + gy * g12 + by * b12) >> RGB2YUV_SHIFT) + 16;
617 17216 unsigned int Y21 = ((ry * r21 + gy * g21 + by * b21) >> RGB2YUV_SHIFT) + 16;
618 17216 unsigned int Y22 = ((ry * r22 + gy * g22 + by * b22) >> RGB2YUV_SHIFT) + 16;
619
620 17216 unsigned int bx = (b11 + b12 + b21 + b22) >> 2;
621 17216 unsigned int gx = (g11 + g12 + g21 + g22) >> 2;
622 17216 unsigned int rx = (r11 + r12 + r21 + r22) >> 2;
623
624 17216 unsigned int U = ((ru * rx + gu * gx + bu * bx) >> RGB2YUV_SHIFT) + 128;
625 17216 unsigned int V = ((rv * rx + gv * gx + bv * bx) >> RGB2YUV_SHIFT) + 128;
626
627 17216 ydst1[2 * i + 0] = Y11;
628 17216 ydst1[2 * i + 1] = Y12;
629 17216 ydst2[2 * i + 0] = Y21;
630 17216 ydst2[2 * i + 1] = Y22;
631 17216 udst[i] = U;
632 17216 vdst[i] = V;
633 }
634 284 src1 += srcStride * 2;
635 284 src2 += srcStride * 2;
636 284 ydst1 += lumStride * 2;
637 284 ydst2 += lumStride * 2;
638 284 udst += chromStride;
639 284 vdst += chromStride;
640 }
641 10 }
642
643 1503 static void interleaveBytes_c(const uint8_t *src1, const uint8_t *src2,
644 uint8_t *dest, int width, int height,
645 int src1Stride, int src2Stride, int dstStride)
646 {
647 int h;
648
649
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45526 for (h = 0; h < height; h++) {
650 int w;
651
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11615741 for (w = 0; w < width; w++) {
652 11571718 dest[2 * w + 0] = src1[w];
653 11571718 dest[2 * w + 1] = src2[w];
654 }
655 44023 dest += dstStride;
656 44023 src1 += src1Stride;
657 44023 src2 += src2Stride;
658 }
659 1503 }
660
661 1420 static void deinterleaveBytes_c(const uint8_t *src, uint8_t *dst1, uint8_t *dst2,
662 int width, int height, int srcStride,
663 int dst1Stride, int dst2Stride)
664 {
665 int h;
666
667
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34329 for (h = 0; h < height; h++) {
668 int w;
669
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7980116 for (w = 0; w < width; w++) {
670 7947207 dst1[w] = src[2 * w + 0];
671 7947207 dst2[w] = src[2 * w + 1];
672 }
673 32909 src += srcStride;
674 32909 dst1 += dst1Stride;
675 32909 dst2 += dst2Stride;
676 }
677 1420 }
678
679 987 static void extract_even_c(const uint8_t *src, uint8_t *dst, int count)
680 {
681 987 dst += count;
682 987 src += count * 2;
683 987 count = -count;
684
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57663 while (count < 0) {
685 56676 dst[count] = src[2 * count];
686 56676 count++;
687 }
688 987 }
689
690 987 static void extract_even2_c(const uint8_t *src, uint8_t *dst0, uint8_t *dst1,
691 int count)
692 {
693 987 dst0 += count;
694 987 dst1 += count;
695 987 src += count * 4;
696 987 count = -count;
697
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29325 while (count < 0) {
698 28338 dst0[count] = src[4 * count + 0];
699 28338 dst1[count] = src[4 * count + 2];
700 28338 count++;
701 }
702 987 }
703
704 static void extract_even2avg_c(const uint8_t *src0, const uint8_t *src1,
705 uint8_t *dst0, uint8_t *dst1, int count)
706 {
707 dst0 += count;
708 dst1 += count;
709 src0 += count * 4;
710 src1 += count * 4;
711 count = -count;
712 while (count < 0) {
713 dst0[count] = (src0[4 * count + 0] + src1[4 * count + 0]) >> 1;
714 dst1[count] = (src0[4 * count + 2] + src1[4 * count + 2]) >> 1;
715 count++;
716 }
717 }
718
719 static void extract_odd2_c(const uint8_t *src, uint8_t *dst0, uint8_t *dst1,
720 int count)
721 {
722 dst0 += count;
723 dst1 += count;
724 src += count * 4;
725 count = -count;
726 src++;
727 while (count < 0) {
728 dst0[count] = src[4 * count + 0];
729 dst1[count] = src[4 * count + 2];
730 count++;
731 }
732 }
733
734 static void extract_odd2avg_c(const uint8_t *src0, const uint8_t *src1,
735 uint8_t *dst0, uint8_t *dst1, int count)
736 {
737 dst0 += count;
738 dst1 += count;
739 src0 += count * 4;
740 src1 += count * 4;
741 count = -count;
742 src0++;
743 src1++;
744 while (count < 0) {
745 dst0[count] = (src0[4 * count + 0] + src1[4 * count + 0]) >> 1;
746 dst1[count] = (src0[4 * count + 2] + src1[4 * count + 2]) >> 1;
747 count++;
748 }
749 }
750
751 static void yuyvtoyuv420_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
752 const uint8_t *src, int width, int height,
753 int lumStride, int chromStride, int srcStride)
754 {
755 int y;
756 const int chromWidth = AV_CEIL_RSHIFT(width, 1);
757
758 for (y = 0; y < height; y++) {
759 extract_even_c(src, ydst, width);
760 if (y & 1) {
761 extract_odd2avg_c(src - srcStride, src, udst, vdst, chromWidth);
762 udst += chromStride;
763 vdst += chromStride;
764 }
765
766 src += srcStride;
767 ydst += lumStride;
768 }
769 }
770
771 static void yuyvtoyuv422_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
772 const uint8_t *src, int width, int height,
773 int lumStride, int chromStride, int srcStride)
774 {
775 int y;
776 const int chromWidth = AV_CEIL_RSHIFT(width, 1);
777
778 for (y = 0; y < height; y++) {
779 extract_even_c(src, ydst, width);
780 extract_odd2_c(src, udst, vdst, chromWidth);
781
782 src += srcStride;
783 ydst += lumStride;
784 udst += chromStride;
785 vdst += chromStride;
786 }
787 }
788
789 static void uyvytoyuv420_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
790 const uint8_t *src, int width, int height,
791 int lumStride, int chromStride, int srcStride)
792 {
793 int y;
794 const int chromWidth = AV_CEIL_RSHIFT(width, 1);
795
796 for (y = 0; y < height; y++) {
797 extract_even_c(src + 1, ydst, width);
798 if (y & 1) {
799 extract_even2avg_c(src - srcStride, src, udst, vdst, chromWidth);
800 udst += chromStride;
801 vdst += chromStride;
802 }
803
804 src += srcStride;
805 ydst += lumStride;
806 }
807 }
808
809 18 static void uyvytoyuv422_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
810 const uint8_t *src, int width, int height,
811 int lumStride, int chromStride, int srcStride)
812 {
813 int y;
814 18 const int chromWidth = AV_CEIL_RSHIFT(width, 1);
815
816
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1005 for (y = 0; y < height; y++) {
817 987 extract_even_c(src + 1, ydst, width);
818 987 extract_even2_c(src, udst, vdst, chromWidth);
819
820 987 src += srcStride;
821 987 ydst += lumStride;
822 987 udst += chromStride;
823 987 vdst += chromStride;
824 }
825 18 }
826
827 5019 static av_cold void rgb2rgb_init_c(void)
828 {
829 5019 rgb15to16 = rgb15to16_c;
830 5019 rgb15tobgr24 = rgb15tobgr24_c;
831 5019 rgb15to32 = rgb15to32_c;
832 5019 rgb16tobgr24 = rgb16tobgr24_c;
833 5019 rgb16to32 = rgb16to32_c;
834 5019 rgb16to15 = rgb16to15_c;
835 5019 rgb24tobgr16 = rgb24tobgr16_c;
836 5019 rgb24tobgr15 = rgb24tobgr15_c;
837 5019 rgb24tobgr32 = rgb24tobgr32_c;
838 5019 rgb32to16 = rgb32to16_c;
839 5019 rgb32to15 = rgb32to15_c;
840 5019 rgb32tobgr24 = rgb32tobgr24_c;
841 5019 rgb24to15 = rgb24to15_c;
842 5019 rgb24to16 = rgb24to16_c;
843 5019 rgb24tobgr24 = rgb24tobgr24_c;
844 #if HAVE_BIGENDIAN
845 shuffle_bytes_0321 = shuffle_bytes_2103_c;
846 shuffle_bytes_2103 = shuffle_bytes_0321_c;
847 #else
848 5019 shuffle_bytes_0321 = shuffle_bytes_0321_c;
849 5019 shuffle_bytes_2103 = shuffle_bytes_2103_c;
850 #endif
851 5019 shuffle_bytes_1230 = shuffle_bytes_1230_c;
852 5019 shuffle_bytes_3012 = shuffle_bytes_3012_c;
853 5019 shuffle_bytes_3210 = shuffle_bytes_3210_c;
854 5019 shuffle_bytes_3102 = shuffle_bytes_3102_c;
855 5019 shuffle_bytes_2013 = shuffle_bytes_2013_c;
856 5019 shuffle_bytes_2130 = shuffle_bytes_2130_c;
857 5019 shuffle_bytes_1203 = shuffle_bytes_1203_c;
858 5019 rgb32tobgr16 = rgb32tobgr16_c;
859 5019 rgb32tobgr15 = rgb32tobgr15_c;
860 5019 yv12toyuy2 = yv12toyuy2_c;
861 5019 yv12touyvy = yv12touyvy_c;
862 5019 yuv422ptoyuy2 = yuv422ptoyuy2_c;
863 5019 yuv422ptouyvy = yuv422ptouyvy_c;
864 5019 planar2x = planar2x_c;
865 5019 ff_rgb24toyv12 = ff_rgb24toyv12_c;
866 5019 interleaveBytes = interleaveBytes_c;
867 5019 deinterleaveBytes = deinterleaveBytes_c;
868
869 5019 uyvytoyuv420 = uyvytoyuv420_c;
870 5019 uyvytoyuv422 = uyvytoyuv422_c;
871 5019 yuyvtoyuv420 = yuyvtoyuv420_c;
872 5019 yuyvtoyuv422 = yuyvtoyuv422_c;
873 5019 }
874