FFmpeg
rgb2rgb_template.c
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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 static inline void rgb24tobgr32_c(const uint8_t *src, uint8_t *dst,
32  int src_size)
33 {
34  uint8_t *dest = dst;
35  const uint8_t *s = src;
36  const uint8_t *end = s + src_size;
37 
38  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  *dest++ = *s++;
48  *dest++ = *s++;
49  *dest++ = *s++;
50  *dest++ = 255;
51 #endif
52  }
53 }
54 
55 static inline void rgb32tobgr24_c(const uint8_t *src, uint8_t *dst,
56  int src_size)
57 {
58  uint8_t *dest = dst;
59  const uint8_t *s = src;
60  const uint8_t *end = s + src_size;
61 
62  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  *dest++ = *s++;
72  *dest++ = *s++;
73  *dest++ = *s++;
74  s++;
75 #endif
76  }
77 }
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 static inline void rgb15tobgr24_c(const uint8_t *src, uint8_t *dst,
244  int src_size)
245 {
246  uint8_t *d = dst;
247  const uint16_t *s = (const uint16_t *)src;
248  const uint16_t *end = s + src_size / 2;
249 
250  while (s < end) {
251  register uint16_t bgr = *s++;
252  *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
253  *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7);
254  *d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
255  }
256 }
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 static inline void shuffle_bytes_2103_c(const uint8_t *src, uint8_t *dst,
318  int src_size)
319 {
320  int idx = 15 - src_size;
321  const uint8_t *s = src - idx;
322  uint8_t *d = dst - idx;
323 
324  for (; idx < 15; idx += 4) {
325  register unsigned v = *(const uint32_t *)&s[idx], g = v & 0xff00ff00;
326  v &= 0xff00ff;
327  *(uint32_t *)&d[idx] = (v >> 16) + g + (v << 16);
328  }
329 }
330 
331 static inline void shuffle_bytes_0321_c(const uint8_t *src, uint8_t *dst,
332  int src_size)
333 {
334  int idx = 15 - src_size;
335  const uint8_t *s = src - idx;
336  uint8_t *d = dst - idx;
337 
338  for (; idx < 15; idx += 4) {
339  register unsigned v = *(const uint32_t *)&s[idx], g = v & 0x00ff00ff;
340  v &= 0xff00ff00;
341  *(uint32_t *)&d[idx] = (v >> 16) + g + (v << 16);
342  }
343 }
344 
345 #if !HAVE_BIGENDIAN
346 #define DEFINE_SHUFFLE_BYTES(name, a, b, c, d) \
347 static void shuffle_bytes_##name (const uint8_t *src, \
348  uint8_t *dst, int src_size) \
349 { \
350  int i; \
351  \
352  for (i = 0; i < src_size; i += 4) { \
353  dst[i + 0] = src[i + a]; \
354  dst[i + 1] = src[i + b]; \
355  dst[i + 2] = src[i + c]; \
356  dst[i + 3] = src[i + d]; \
357  } \
358 }
359 
360 DEFINE_SHUFFLE_BYTES(1230_c, 1, 2, 3, 0)
361 DEFINE_SHUFFLE_BYTES(3012_c, 3, 0, 1, 2)
362 DEFINE_SHUFFLE_BYTES(3210_c, 3, 2, 1, 0)
363 #endif
364 
365 static inline void rgb24tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
366 {
367  unsigned i;
368 
369  for (i = 0; i < src_size; i += 3) {
370  register uint8_t x = src[i + 2];
371  dst[i + 1] = src[i + 1];
372  dst[i + 2] = src[i + 0];
373  dst[i + 0] = x;
374  }
375 }
376 
377 static inline void yuvPlanartoyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
378  const uint8_t *vsrc, uint8_t *dst,
379  int width, int height,
380  int lumStride, int chromStride,
381  int dstStride, int vertLumPerChroma)
382 {
383  int y, i;
384  const int chromWidth = width >> 1;
385 
386  for (y = 0; y < height; y++) {
387 #if HAVE_FAST_64BIT
388  uint64_t *ldst = (uint64_t *)dst;
389  const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
390  for (i = 0; i < chromWidth; i += 2) {
391  uint64_t k = yc[0] + (uc[0] << 8) +
392  (yc[1] << 16) + ((unsigned) vc[0] << 24);
393  uint64_t l = yc[2] + (uc[1] << 8) +
394  (yc[3] << 16) + ((unsigned) vc[1] << 24);
395  *ldst++ = k + (l << 32);
396  yc += 4;
397  uc += 2;
398  vc += 2;
399  }
400 
401 #else
402  int *idst = (int32_t *)dst;
403  const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
404 
405  for (i = 0; i < chromWidth; i++) {
406 #if HAVE_BIGENDIAN
407  *idst++ = (yc[0] << 24) + (uc[0] << 16) +
408  (yc[1] << 8) + (vc[0] << 0);
409 #else
410  *idst++ = yc[0] + (uc[0] << 8) +
411  (yc[1] << 16) + (vc[0] << 24);
412 #endif
413  yc += 2;
414  uc++;
415  vc++;
416  }
417 #endif
418  if ((y & (vertLumPerChroma - 1)) == vertLumPerChroma - 1) {
419  usrc += chromStride;
420  vsrc += chromStride;
421  }
422  ysrc += lumStride;
423  dst += dstStride;
424  }
425 }
426 
427 /**
428  * Height should be a multiple of 2 and width should be a multiple of 16.
429  * (If this is a problem for anyone then tell me, and I will fix it.)
430  */
431 static inline void yv12toyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
432  const uint8_t *vsrc, uint8_t *dst,
433  int width, int height, int lumStride,
434  int chromStride, int dstStride)
435 {
436  //FIXME interpolate chroma
437  yuvPlanartoyuy2_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
438  chromStride, dstStride, 2);
439 }
440 
441 static inline void yuvPlanartouyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
442  const uint8_t *vsrc, uint8_t *dst,
443  int width, int height,
444  int lumStride, int chromStride,
445  int dstStride, int vertLumPerChroma)
446 {
447  int y, i;
448  const int chromWidth = width >> 1;
449 
450  for (y = 0; y < height; y++) {
451 #if HAVE_FAST_64BIT
452  uint64_t *ldst = (uint64_t *)dst;
453  const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
454  for (i = 0; i < chromWidth; i += 2) {
455  uint64_t k = uc[0] + (yc[0] << 8) +
456  (vc[0] << 16) + ((unsigned) yc[1] << 24);
457  uint64_t l = uc[1] + (yc[2] << 8) +
458  (vc[1] << 16) + ((unsigned) yc[3] << 24);
459  *ldst++ = k + (l << 32);
460  yc += 4;
461  uc += 2;
462  vc += 2;
463  }
464 
465 #else
466  int *idst = (int32_t *)dst;
467  const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
468 
469  for (i = 0; i < chromWidth; i++) {
470 #if HAVE_BIGENDIAN
471  *idst++ = (uc[0] << 24) + (yc[0] << 16) +
472  (vc[0] << 8) + (yc[1] << 0);
473 #else
474  *idst++ = uc[0] + (yc[0] << 8) +
475  (vc[0] << 16) + (yc[1] << 24);
476 #endif
477  yc += 2;
478  uc++;
479  vc++;
480  }
481 #endif
482  if ((y & (vertLumPerChroma - 1)) == vertLumPerChroma - 1) {
483  usrc += chromStride;
484  vsrc += chromStride;
485  }
486  ysrc += lumStride;
487  dst += dstStride;
488  }
489 }
490 
491 /**
492  * Height should be a multiple of 2 and width should be a multiple of 16
493  * (If this is a problem for anyone then tell me, and I will fix it.)
494  */
495 static inline void yv12touyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
496  const uint8_t *vsrc, uint8_t *dst,
497  int width, int height, int lumStride,
498  int chromStride, int dstStride)
499 {
500  //FIXME interpolate chroma
501  yuvPlanartouyvy_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
502  chromStride, dstStride, 2);
503 }
504 
505 /**
506  * Width should be a multiple of 16.
507  */
508 static inline void yuv422ptouyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
509  const uint8_t *vsrc, uint8_t *dst,
510  int width, int height, int lumStride,
511  int chromStride, int dstStride)
512 {
513  yuvPlanartouyvy_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
514  chromStride, dstStride, 1);
515 }
516 
517 /**
518  * Width should be a multiple of 16.
519  */
520 static inline void yuv422ptoyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
521  const uint8_t *vsrc, uint8_t *dst,
522  int width, int height, int lumStride,
523  int chromStride, int dstStride)
524 {
525  yuvPlanartoyuy2_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
526  chromStride, dstStride, 1);
527 }
528 
529 /**
530  * Height should be a multiple of 2 and width should be a multiple of 16.
531  * (If this is a problem for anyone then tell me, and I will fix it.)
532  */
533 static inline void yuy2toyv12_c(const uint8_t *src, uint8_t *ydst,
534  uint8_t *udst, uint8_t *vdst,
535  int width, int height, int lumStride,
536  int chromStride, int srcStride)
537 {
538  int y;
539  const int chromWidth = width >> 1;
540 
541  for (y = 0; y < height; y += 2) {
542  int i;
543  for (i = 0; i < chromWidth; i++) {
544  ydst[2 * i + 0] = src[4 * i + 0];
545  udst[i] = src[4 * i + 1];
546  ydst[2 * i + 1] = src[4 * i + 2];
547  vdst[i] = src[4 * i + 3];
548  }
549  ydst += lumStride;
550  src += srcStride;
551 
552  for (i = 0; i < chromWidth; i++) {
553  ydst[2 * i + 0] = src[4 * i + 0];
554  ydst[2 * i + 1] = src[4 * i + 2];
555  }
556  udst += chromStride;
557  vdst += chromStride;
558  ydst += lumStride;
559  src += srcStride;
560  }
561 }
562 
563 static inline void planar2x_c(const uint8_t *src, uint8_t *dst, int srcWidth,
564  int srcHeight, int srcStride, int dstStride)
565 {
566  int x, y;
567 
568  dst[0] = src[0];
569 
570  // first line
571  for (x = 0; x < srcWidth - 1; x++) {
572  dst[2 * x + 1] = (3 * src[x] + src[x + 1]) >> 2;
573  dst[2 * x + 2] = (src[x] + 3 * src[x + 1]) >> 2;
574  }
575  dst[2 * srcWidth - 1] = src[srcWidth - 1];
576 
577  dst += dstStride;
578 
579  for (y = 1; y < srcHeight; y++) {
580  const int mmxSize = 1;
581 
582  dst[0] = (src[0] * 3 + src[srcStride]) >> 2;
583  dst[dstStride] = (src[0] + 3 * src[srcStride]) >> 2;
584 
585  for (x = mmxSize - 1; x < srcWidth - 1; x++) {
586  dst[2 * x + 1] = (src[x + 0] * 3 + src[x + srcStride + 1]) >> 2;
587  dst[2 * x + dstStride + 2] = (src[x + 0] + 3 * src[x + srcStride + 1]) >> 2;
588  dst[2 * x + dstStride + 1] = (src[x + 1] + 3 * src[x + srcStride]) >> 2;
589  dst[2 * x + 2] = (src[x + 1] * 3 + src[x + srcStride]) >> 2;
590  }
591  dst[srcWidth * 2 - 1] = (src[srcWidth - 1] * 3 + src[srcWidth - 1 + srcStride]) >> 2;
592  dst[srcWidth * 2 - 1 + dstStride] = (src[srcWidth - 1] + 3 * src[srcWidth - 1 + srcStride]) >> 2;
593 
594  dst += dstStride * 2;
595  src += srcStride;
596  }
597 
598  // last line
599  dst[0] = src[0];
600 
601  for (x = 0; x < srcWidth - 1; x++) {
602  dst[2 * x + 1] = (src[x] * 3 + src[x + 1]) >> 2;
603  dst[2 * x + 2] = (src[x] + 3 * src[x + 1]) >> 2;
604  }
605  dst[2 * srcWidth - 1] = src[srcWidth - 1];
606 }
607 
608 /**
609  * Height should be a multiple of 2 and width should be a multiple of 16.
610  * (If this is a problem for anyone then tell me, and I will fix it.)
611  * Chrominance data is only taken from every second line, others are ignored.
612  * FIXME: Write HQ version.
613  */
614 static inline void uyvytoyv12_c(const uint8_t *src, uint8_t *ydst,
615  uint8_t *udst, uint8_t *vdst,
616  int width, int height, int lumStride,
617  int chromStride, int srcStride)
618 {
619  int y;
620  const int chromWidth = width >> 1;
621 
622  for (y = 0; y < height; y += 2) {
623  int i;
624  for (i = 0; i < chromWidth; i++) {
625  udst[i] = src[4 * i + 0];
626  ydst[2 * i + 0] = src[4 * i + 1];
627  vdst[i] = src[4 * i + 2];
628  ydst[2 * i + 1] = src[4 * i + 3];
629  }
630  ydst += lumStride;
631  src += srcStride;
632 
633  for (i = 0; i < chromWidth; i++) {
634  ydst[2 * i + 0] = src[4 * i + 1];
635  ydst[2 * i + 1] = src[4 * i + 3];
636  }
637  udst += chromStride;
638  vdst += chromStride;
639  ydst += lumStride;
640  src += srcStride;
641  }
642 }
643 
644 /**
645  * Height should be a multiple of 2 and width should be a multiple of 2.
646  * (If this is a problem for anyone then tell me, and I will fix it.)
647  * Chrominance data is only taken from every second line,
648  * others are ignored in the C version.
649  * FIXME: Write HQ version.
650  */
651 void ff_rgb24toyv12_c(const uint8_t *src, uint8_t *ydst, uint8_t *udst,
652  uint8_t *vdst, int width, int height, int lumStride,
653  int chromStride, int srcStride, int32_t *rgb2yuv)
654 {
655  int32_t ry = rgb2yuv[RY_IDX], gy = rgb2yuv[GY_IDX], by = rgb2yuv[BY_IDX];
656  int32_t ru = rgb2yuv[RU_IDX], gu = rgb2yuv[GU_IDX], bu = rgb2yuv[BU_IDX];
657  int32_t rv = rgb2yuv[RV_IDX], gv = rgb2yuv[GV_IDX], bv = rgb2yuv[BV_IDX];
658  int y;
659  const int chromWidth = width >> 1;
660 
661  for (y = 0; y < height; y += 2) {
662  int i;
663  for (i = 0; i < chromWidth; i++) {
664  unsigned int b = src[6 * i + 0];
665  unsigned int g = src[6 * i + 1];
666  unsigned int r = src[6 * i + 2];
667 
668  unsigned int Y = ((ry * r + gy * g + by * b) >> RGB2YUV_SHIFT) + 16;
669  unsigned int V = ((rv * r + gv * g + bv * b) >> RGB2YUV_SHIFT) + 128;
670  unsigned int U = ((ru * r + gu * g + bu * b) >> RGB2YUV_SHIFT) + 128;
671 
672  udst[i] = U;
673  vdst[i] = V;
674  ydst[2 * i] = Y;
675 
676  b = src[6 * i + 3];
677  g = src[6 * i + 4];
678  r = src[6 * i + 5];
679 
680  Y = ((ry * r + gy * g + by * b) >> RGB2YUV_SHIFT) + 16;
681  ydst[2 * i + 1] = Y;
682  }
683  ydst += lumStride;
684  src += srcStride;
685 
686  if (y+1 == height)
687  break;
688 
689  for (i = 0; i < chromWidth; i++) {
690  unsigned int b = src[6 * i + 0];
691  unsigned int g = src[6 * i + 1];
692  unsigned int r = src[6 * i + 2];
693 
694  unsigned int Y = ((ry * r + gy * g + by * b) >> RGB2YUV_SHIFT) + 16;
695 
696  ydst[2 * i] = Y;
697 
698  b = src[6 * i + 3];
699  g = src[6 * i + 4];
700  r = src[6 * i + 5];
701 
702  Y = ((ry * r + gy * g + by * b) >> RGB2YUV_SHIFT) + 16;
703  ydst[2 * i + 1] = Y;
704  }
705  udst += chromStride;
706  vdst += chromStride;
707  ydst += lumStride;
708  src += srcStride;
709  }
710 }
711 
712 static void interleaveBytes_c(const uint8_t *src1, const uint8_t *src2,
713  uint8_t *dest, int width, int height,
714  int src1Stride, int src2Stride, int dstStride)
715 {
716  int h;
717 
718  for (h = 0; h < height; h++) {
719  int w;
720  for (w = 0; w < width; w++) {
721  dest[2 * w + 0] = src1[w];
722  dest[2 * w + 1] = src2[w];
723  }
724  dest += dstStride;
725  src1 += src1Stride;
726  src2 += src2Stride;
727  }
728 }
729 
730 static void deinterleaveBytes_c(const uint8_t *src, uint8_t *dst1, uint8_t *dst2,
731  int width, int height, int srcStride,
732  int dst1Stride, int dst2Stride)
733 {
734  int h;
735 
736  for (h = 0; h < height; h++) {
737  int w;
738  for (w = 0; w < width; w++) {
739  dst1[w] = src[2 * w + 0];
740  dst2[w] = src[2 * w + 1];
741  }
742  src += srcStride;
743  dst1 += dst1Stride;
744  dst2 += dst2Stride;
745  }
746 }
747 
748 static inline void vu9_to_vu12_c(const uint8_t *src1, const uint8_t *src2,
749  uint8_t *dst1, uint8_t *dst2,
750  int width, int height,
751  int srcStride1, int srcStride2,
752  int dstStride1, int dstStride2)
753 {
754  int x, y;
755  int w = width / 2;
756  int h = height / 2;
757 
758  for (y = 0; y < h; y++) {
759  const uint8_t *s1 = src1 + srcStride1 * (y >> 1);
760  uint8_t *d = dst1 + dstStride1 * y;
761  for (x = 0; x < w; x++)
762  d[2 * x] = d[2 * x + 1] = s1[x];
763  }
764  for (y = 0; y < h; y++) {
765  const uint8_t *s2 = src2 + srcStride2 * (y >> 1);
766  uint8_t *d = dst2 + dstStride2 * y;
767  for (x = 0; x < w; x++)
768  d[2 * x] = d[2 * x + 1] = s2[x];
769  }
770 }
771 
772 static inline void yvu9_to_yuy2_c(const uint8_t *src1, const uint8_t *src2,
773  const uint8_t *src3, uint8_t *dst,
774  int width, int height,
775  int srcStride1, int srcStride2,
776  int srcStride3, int dstStride)
777 {
778  int x, y;
779  int w = width / 2;
780  int h = height;
781 
782  for (y = 0; y < h; y++) {
783  const uint8_t *yp = src1 + srcStride1 * y;
784  const uint8_t *up = src2 + srcStride2 * (y >> 2);
785  const uint8_t *vp = src3 + srcStride3 * (y >> 2);
786  uint8_t *d = dst + dstStride * y;
787  for (x = 0; x < w; x++) {
788  const int x2 = x << 2;
789  d[8 * x + 0] = yp[x2];
790  d[8 * x + 1] = up[x];
791  d[8 * x + 2] = yp[x2 + 1];
792  d[8 * x + 3] = vp[x];
793  d[8 * x + 4] = yp[x2 + 2];
794  d[8 * x + 5] = up[x];
795  d[8 * x + 6] = yp[x2 + 3];
796  d[8 * x + 7] = vp[x];
797  }
798  }
799 }
800 
801 static void extract_even_c(const uint8_t *src, uint8_t *dst, int count)
802 {
803  dst += count;
804  src += count * 2;
805  count = -count;
806  while (count < 0) {
807  dst[count] = src[2 * count];
808  count++;
809  }
810 }
811 
812 static void extract_even2_c(const uint8_t *src, uint8_t *dst0, uint8_t *dst1,
813  int count)
814 {
815  dst0 += count;
816  dst1 += count;
817  src += count * 4;
818  count = -count;
819  while (count < 0) {
820  dst0[count] = src[4 * count + 0];
821  dst1[count] = src[4 * count + 2];
822  count++;
823  }
824 }
825 
826 static void extract_even2avg_c(const uint8_t *src0, const uint8_t *src1,
827  uint8_t *dst0, uint8_t *dst1, int count)
828 {
829  dst0 += count;
830  dst1 += count;
831  src0 += count * 4;
832  src1 += count * 4;
833  count = -count;
834  while (count < 0) {
835  dst0[count] = (src0[4 * count + 0] + src1[4 * count + 0]) >> 1;
836  dst1[count] = (src0[4 * count + 2] + src1[4 * count + 2]) >> 1;
837  count++;
838  }
839 }
840 
841 static void extract_odd2_c(const uint8_t *src, uint8_t *dst0, uint8_t *dst1,
842  int count)
843 {
844  dst0 += count;
845  dst1 += count;
846  src += count * 4;
847  count = -count;
848  src++;
849  while (count < 0) {
850  dst0[count] = src[4 * count + 0];
851  dst1[count] = src[4 * count + 2];
852  count++;
853  }
854 }
855 
856 static void extract_odd2avg_c(const uint8_t *src0, const uint8_t *src1,
857  uint8_t *dst0, uint8_t *dst1, int count)
858 {
859  dst0 += count;
860  dst1 += count;
861  src0 += count * 4;
862  src1 += count * 4;
863  count = -count;
864  src0++;
865  src1++;
866  while (count < 0) {
867  dst0[count] = (src0[4 * count + 0] + src1[4 * count + 0]) >> 1;
868  dst1[count] = (src0[4 * count + 2] + src1[4 * count + 2]) >> 1;
869  count++;
870  }
871 }
872 
873 static void yuyvtoyuv420_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
874  const uint8_t *src, int width, int height,
875  int lumStride, int chromStride, int srcStride)
876 {
877  int y;
878  const int chromWidth = AV_CEIL_RSHIFT(width, 1);
879 
880  for (y = 0; y < height; y++) {
881  extract_even_c(src, ydst, width);
882  if (y & 1) {
883  extract_odd2avg_c(src - srcStride, src, udst, vdst, chromWidth);
884  udst += chromStride;
885  vdst += chromStride;
886  }
887 
888  src += srcStride;
889  ydst += lumStride;
890  }
891 }
892 
893 static void yuyvtoyuv422_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
894  const uint8_t *src, int width, int height,
895  int lumStride, int chromStride, int srcStride)
896 {
897  int y;
898  const int chromWidth = AV_CEIL_RSHIFT(width, 1);
899 
900  for (y = 0; y < height; y++) {
901  extract_even_c(src, ydst, width);
902  extract_odd2_c(src, udst, vdst, chromWidth);
903 
904  src += srcStride;
905  ydst += lumStride;
906  udst += chromStride;
907  vdst += chromStride;
908  }
909 }
910 
911 static void uyvytoyuv420_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
912  const uint8_t *src, int width, int height,
913  int lumStride, int chromStride, int srcStride)
914 {
915  int y;
916  const int chromWidth = AV_CEIL_RSHIFT(width, 1);
917 
918  for (y = 0; y < height; y++) {
919  extract_even_c(src + 1, ydst, width);
920  if (y & 1) {
921  extract_even2avg_c(src - srcStride, src, udst, vdst, chromWidth);
922  udst += chromStride;
923  vdst += chromStride;
924  }
925 
926  src += srcStride;
927  ydst += lumStride;
928  }
929 }
930 
931 static void uyvytoyuv422_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
932  const uint8_t *src, int width, int height,
933  int lumStride, int chromStride, int srcStride)
934 {
935  int y;
936  const int chromWidth = AV_CEIL_RSHIFT(width, 1);
937 
938  for (y = 0; y < height; y++) {
939  extract_even_c(src + 1, ydst, width);
940  extract_even2_c(src, udst, vdst, chromWidth);
941 
942  src += srcStride;
943  ydst += lumStride;
944  udst += chromStride;
945  vdst += chromStride;
946  }
947 }
948 
949 static av_cold void rgb2rgb_init_c(void)
950 {
966 #if HAVE_BIGENDIAN
969 #else
972  shuffle_bytes_1230 = shuffle_bytes_1230_c;
973  shuffle_bytes_3012 = shuffle_bytes_3012_c;
974  shuffle_bytes_3210 = shuffle_bytes_3210_c;
975 #endif
989 
994 }
void(* yv12toyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, int width, int height, int lumStride, int chromStride, int dstStride)
Height should be a multiple of 2 and width should be a multiple of 16.
Definition: rgb2rgb.c:61
static void uyvytoyuv420_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, int width, int height, int lumStride, int chromStride, int srcStride)
void(* rgb15to32)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:52
static void uyvytoyv12_c(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, int width, int height, int lumStride, int chromStride, int srcStride)
Height should be a multiple of 2 and width should be a multiple of 16.
static void yuv422ptoyuy2_c(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, int width, int height, int lumStride, int chromStride, int dstStride)
Width should be a multiple of 16.
#define RV_IDX
#define BV_IDX
static void extract_odd2avg_c(const uint8_t *src0, const uint8_t *src1, uint8_t *dst0, uint8_t *dst1, int count)
static void fn() rgb2yuv(uint8_t *_yuv[3], const ptrdiff_t yuv_stride[3], int16_t *rgb[3], ptrdiff_t s, int w, int h, const int16_t rgb2yuv_coeffs[3][3][8], const int16_t yuv_offset[8])
static void yuyvtoyuv420_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, int width, int height, int lumStride, int chromStride, int srcStride)
const char * g
Definition: vf_curves.c:115
void(* shuffle_bytes_3012)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:57
static void planar2x_c(const uint8_t *src, uint8_t *dst, int srcWidth, int srcHeight, int srcStride, int dstStride)
static void rgb16to32_c(const uint8_t *src, uint8_t *dst, int src_size)
void(* rgb32tobgr16)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:36
#define GV_IDX
static void rgb24tobgr32_c(const uint8_t *src, uint8_t *dst, int src_size)
static void rgb15tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
#define src
Definition: vp8dsp.c:254
void(* rgb16tobgr24)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:42
static void vu9_to_vu12_c(const uint8_t *src1, const uint8_t *src2, uint8_t *dst1, uint8_t *dst2, int width, int height, int srcStride1, int srcStride2, int dstStride1, int dstStride2)
static void yuy2toyv12_c(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, int width, int height, int lumStride, int chromStride, int srcStride)
Height should be a multiple of 2 and width should be a multiple of 16.
Macro definitions for various function/variable attributes.
static void rgb16tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
void(* rgb24tobgr16)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:40
#define RU_IDX
void(* shuffle_bytes_2103)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:55
void(* rgb32to16)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:45
static void rgb24tobgr16_c(const uint8_t *src, uint8_t *dst, int src_size)
uint8_t
#define av_cold
Definition: attributes.h:82
void(* yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, int width, int height, int lumStride, int chromStride, int dstStride)
Height should be a multiple of 2 and width should be a multiple of 16.
Definition: rgb2rgb.c:65
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:90
static void extract_even_c(const uint8_t *src, uint8_t *dst, int count)
void ff_rgb24toyv12_c(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, int width, int height, int lumStride, int chromStride, int srcStride, int32_t *rgb2yuv)
Height should be a multiple of 2 and width should be a multiple of 2.
void(* shuffle_bytes_3210)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:58
#define height
static void rgb16to15_c(const uint8_t *src, uint8_t *dst, int src_size)
static void yuvPlanartouyvy_c(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, int width, int height, int lumStride, int chromStride, int dstStride, int vertLumPerChroma)
#define U(x)
Definition: vp56_arith.h:37
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:259
#define s2
Definition: regdef.h:39
static av_cold void rgb2rgb_init_c(void)
const char * r
Definition: vf_curves.c:114
static void yv12toyuy2_c(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, int width, int height, int lumStride, int chromStride, int dstStride)
Height should be a multiple of 2 and width should be a multiple of 16.
void(* shuffle_bytes_1230)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:56
static void interleaveBytes_c(const uint8_t *src1, const uint8_t *src2, uint8_t *dest, int width, int height, int src1Stride, int src2Stride, int dstStride)
void(* rgb15tobgr24)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:43
void(* rgb32tobgr15)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:37
GLsizei count
Definition: opengl_enc.c:108
void(* ff_rgb24toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, int width, int height, int lumStride, int chromStride, int srcStride, int32_t *rgb2yuv)
Height should be a multiple of 2 and width should be a multiple of 2.
Definition: rgb2rgb.c:81
void(* rgb24to16)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:47
static void rgb24to16_c(const uint8_t *src, uint8_t *dst, int src_size)
static void extract_even2_c(const uint8_t *src, uint8_t *dst0, uint8_t *dst1, int count)
#define RGB2YUV_SHIFT
#define b
Definition: input.c:41
void(* interleaveBytes)(const uint8_t *src1, const uint8_t *src2, uint8_t *dst, int width, int height, int src1Stride, int src2Stride, int dstStride)
Definition: rgb2rgb.c:88
#define Y
Definition: boxblur.h:38
void(* yvu9_to_yuy2)(const uint8_t *src1, const uint8_t *src2, const uint8_t *src3, uint8_t *dst, int width, int height, int srcStride1, int srcStride2, int srcStride3, int dstStride)
Definition: rgb2rgb.c:99
static void yv12touyvy_c(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, int width, int height, int lumStride, int chromStride, int dstStride)
Height should be a multiple of 2 and width should be a multiple of 16 (If this is a problem for anyon...
#define width
static void shuffle_bytes_0321_c(const uint8_t *src, uint8_t *dst, int src_size)
uint8_t w
Definition: llviddspenc.c:38
static void rgb24tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
int32_t
#define RY_IDX
void(* yuv422ptoyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, int width, int height, int lumStride, int chromStride, int dstStride)
Width should be a multiple of 16.
Definition: rgb2rgb.c:69
#define s(width, name)
Definition: cbs_vp9.c:257
static void rgb32tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
static void uyvytoyuv422_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, int width, int height, int lumStride, int chromStride, int srcStride)
void(* rgb24tobgr32)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:38
static void yuyvtoyuv422_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, int width, int height, int lumStride, int chromStride, int srcStride)
void(* rgb16to15)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:50
#define src1
Definition: h264pred.c:139
static void yuv422ptouyvy_c(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, int width, int height, int lumStride, int chromStride, int dstStride)
Width should be a multiple of 16.
static void deinterleaveBytes_c(const uint8_t *src, uint8_t *dst1, uint8_t *dst2, int width, int height, int srcStride, int dst1Stride, int dst2Stride)
void(* deinterleaveBytes)(const uint8_t *src, uint8_t *dst1, uint8_t *dst2, int width, int height, int srcStride, int dst1Stride, int dst2Stride)
Definition: rgb2rgb.c:91
static void yvu9_to_yuy2_c(const uint8_t *src1, const uint8_t *src2, const uint8_t *src3, uint8_t *dst, int width, int height, int srcStride1, int srcStride2, int srcStride3, int dstStride)
void(* yuyvtoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, int width, int height, int lumStride, int chromStride, int srcStride)
Definition: rgb2rgb.c:110
static void rgb15to32_c(const uint8_t *src, uint8_t *dst, int src_size)
static void rgb15to16_c(const uint8_t *src, uint8_t *dst, int src_size)
void(* yuv422ptouyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, int width, int height, int lumStride, int chromStride, int dstStride)
Width should be a multiple of 16.
Definition: rgb2rgb.c:73
void(* uyvytoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, int width, int height, int lumStride, int chromStride, int srcStride)
Definition: rgb2rgb.c:107
#define src0
Definition: h264pred.c:138
void(* rgb24to15)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:48
#define s1
Definition: regdef.h:38
static void rgb32to16_c(const uint8_t *src, uint8_t *dst, int src_size)
void(* uyvytoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, int width, int height, int lumStride, int chromStride, int srcStride)
Definition: rgb2rgb.c:104
#define GY_IDX
static void extract_even2avg_c(const uint8_t *src0, const uint8_t *src1, uint8_t *dst0, uint8_t *dst1, int count)
void(* shuffle_bytes_0321)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:54
void(* rgb16to32)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:49
static void extract_odd2_c(const uint8_t *src, uint8_t *dst0, uint8_t *dst1, int count)
#define DEFINE_SHUFFLE_BYTES(name, a, b, c, d)
void(* rgb24tobgr24)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:39
void(* rgb24tobgr15)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:41
static void rgb32to15_c(const uint8_t *src, uint8_t *dst, int src_size)
static void yuvPlanartoyuy2_c(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, int width, int height, int lumStride, int chromStride, int dstStride, int vertLumPerChroma)
static void rgb24tobgr15_c(const uint8_t *src, uint8_t *dst, int src_size)
static void rgb32tobgr15_c(const uint8_t *src, uint8_t *dst, int src_size)
void(* rgb32to15)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:46
static void shuffle_bytes_2103_c(const uint8_t *src, uint8_t *dst, int src_size)
void(* planar2x)(const uint8_t *src, uint8_t *dst, int width, int height, int srcStride, int dstStride)
Definition: rgb2rgb.c:86
void(* rgb32tobgr24)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:35
static void rgb24to15_c(const uint8_t *src, uint8_t *dst, int src_size)
#define GU_IDX
void(* yuy2toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, int width, int height, int lumStride, int chromStride, int srcStride)
Height should be a multiple of 2 and width should be a multiple of 16.
Definition: rgb2rgb.c:77
#define BY_IDX
static void rgb32tobgr16_c(const uint8_t *src, uint8_t *dst, int src_size)
void(* vu9_to_vu12)(const uint8_t *src1, const uint8_t *src2, uint8_t *dst1, uint8_t *dst2, int width, int height, int srcStride1, int srcStride2, int dstStride1, int dstStride2)
Definition: rgb2rgb.c:94
void(* rgb15to16)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:51
#define BU_IDX
void(* yuyvtoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, int width, int height, int lumStride, int chromStride, int srcStride)
Definition: rgb2rgb.c:113
#define V
Definition: avdct.c:30
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58