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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 #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 DEFINE_SHUFFLE_BYTES(1230_c, 1, 2, 3, 0)
360 DEFINE_SHUFFLE_BYTES(3012_c, 3, 0, 1, 2)
361 DEFINE_SHUFFLE_BYTES(3210_c, 3, 2, 1, 0)
362 
363 static inline void rgb24tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
364 {
365  unsigned i;
366 
367  for (i = 0; i < src_size; i += 3) {
368  register uint8_t x = src[i + 2];
369  dst[i + 1] = src[i + 1];
370  dst[i + 2] = src[i + 0];
371  dst[i + 0] = x;
372  }
373 }
374 
375 static inline void yuvPlanartoyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
376  const uint8_t *vsrc, uint8_t *dst,
377  int width, int height,
378  int lumStride, int chromStride,
379  int dstStride, int vertLumPerChroma)
380 {
381  int y, i;
382  const int chromWidth = width >> 1;
383 
384  for (y = 0; y < height; y++) {
385 #if HAVE_FAST_64BIT
386  uint64_t *ldst = (uint64_t *)dst;
387  const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
388  for (i = 0; i < chromWidth; i += 2) {
389  uint64_t k = yc[0] + (uc[0] << 8) +
390  (yc[1] << 16) + ((unsigned) vc[0] << 24);
391  uint64_t l = yc[2] + (uc[1] << 8) +
392  (yc[3] << 16) + ((unsigned) vc[1] << 24);
393  *ldst++ = k + (l << 32);
394  yc += 4;
395  uc += 2;
396  vc += 2;
397  }
398 
399 #else
400  int *idst = (int32_t *)dst;
401  const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
402 
403  for (i = 0; i < chromWidth; i++) {
404 #if HAVE_BIGENDIAN
405  *idst++ = (yc[0] << 24) + (uc[0] << 16) +
406  (yc[1] << 8) + (vc[0] << 0);
407 #else
408  *idst++ = yc[0] + (uc[0] << 8) +
409  (yc[1] << 16) + (vc[0] << 24);
410 #endif
411  yc += 2;
412  uc++;
413  vc++;
414  }
415 #endif
416  if ((y & (vertLumPerChroma - 1)) == vertLumPerChroma - 1) {
417  usrc += chromStride;
418  vsrc += chromStride;
419  }
420  ysrc += lumStride;
421  dst += dstStride;
422  }
423 }
424 
425 /**
426  * Height should be a multiple of 2 and width should be a multiple of 16.
427  * (If this is a problem for anyone then tell me, and I will fix it.)
428  */
429 static inline void yv12toyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
430  const uint8_t *vsrc, uint8_t *dst,
431  int width, int height, int lumStride,
432  int chromStride, int dstStride)
433 {
434  //FIXME interpolate chroma
435  yuvPlanartoyuy2_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
436  chromStride, dstStride, 2);
437 }
438 
439 static inline void yuvPlanartouyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
440  const uint8_t *vsrc, uint8_t *dst,
441  int width, int height,
442  int lumStride, int chromStride,
443  int dstStride, int vertLumPerChroma)
444 {
445  int y, i;
446  const int chromWidth = width >> 1;
447 
448  for (y = 0; y < height; y++) {
449 #if HAVE_FAST_64BIT
450  uint64_t *ldst = (uint64_t *)dst;
451  const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
452  for (i = 0; i < chromWidth; i += 2) {
453  uint64_t k = uc[0] + (yc[0] << 8) +
454  (vc[0] << 16) + ((unsigned) yc[1] << 24);
455  uint64_t l = uc[1] + (yc[2] << 8) +
456  (vc[1] << 16) + ((unsigned) yc[3] << 24);
457  *ldst++ = k + (l << 32);
458  yc += 4;
459  uc += 2;
460  vc += 2;
461  }
462 
463 #else
464  int *idst = (int32_t *)dst;
465  const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
466 
467  for (i = 0; i < chromWidth; i++) {
468 #if HAVE_BIGENDIAN
469  *idst++ = (uc[0] << 24) + (yc[0] << 16) +
470  (vc[0] << 8) + (yc[1] << 0);
471 #else
472  *idst++ = uc[0] + (yc[0] << 8) +
473  (vc[0] << 16) + (yc[1] << 24);
474 #endif
475  yc += 2;
476  uc++;
477  vc++;
478  }
479 #endif
480  if ((y & (vertLumPerChroma - 1)) == vertLumPerChroma - 1) {
481  usrc += chromStride;
482  vsrc += chromStride;
483  }
484  ysrc += lumStride;
485  dst += dstStride;
486  }
487 }
488 
489 /**
490  * Height should be a multiple of 2 and width should be a multiple of 16
491  * (If this is a problem for anyone then tell me, and I will fix it.)
492  */
493 static inline void yv12touyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
494  const uint8_t *vsrc, uint8_t *dst,
495  int width, int height, int lumStride,
496  int chromStride, int dstStride)
497 {
498  //FIXME interpolate chroma
499  yuvPlanartouyvy_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
500  chromStride, dstStride, 2);
501 }
502 
503 /**
504  * Width should be a multiple of 16.
505  */
506 static inline void yuv422ptouyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
507  const uint8_t *vsrc, uint8_t *dst,
508  int width, int height, int lumStride,
509  int chromStride, int dstStride)
510 {
511  yuvPlanartouyvy_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
512  chromStride, dstStride, 1);
513 }
514 
515 /**
516  * Width should be a multiple of 16.
517  */
518 static inline void yuv422ptoyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
519  const uint8_t *vsrc, uint8_t *dst,
520  int width, int height, int lumStride,
521  int chromStride, int dstStride)
522 {
523  yuvPlanartoyuy2_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
524  chromStride, dstStride, 1);
525 }
526 
527 /**
528  * Height should be a multiple of 2 and width should be a multiple of 16.
529  * (If this is a problem for anyone then tell me, and I will fix it.)
530  */
531 static inline void yuy2toyv12_c(const uint8_t *src, uint8_t *ydst,
532  uint8_t *udst, uint8_t *vdst,
533  int width, int height, int lumStride,
534  int chromStride, int srcStride)
535 {
536  int y;
537  const int chromWidth = width >> 1;
538 
539  for (y = 0; y < height; y += 2) {
540  int i;
541  for (i = 0; i < chromWidth; i++) {
542  ydst[2 * i + 0] = src[4 * i + 0];
543  udst[i] = src[4 * i + 1];
544  ydst[2 * i + 1] = src[4 * i + 2];
545  vdst[i] = src[4 * i + 3];
546  }
547  ydst += lumStride;
548  src += srcStride;
549 
550  for (i = 0; i < chromWidth; i++) {
551  ydst[2 * i + 0] = src[4 * i + 0];
552  ydst[2 * i + 1] = src[4 * i + 2];
553  }
554  udst += chromStride;
555  vdst += chromStride;
556  ydst += lumStride;
557  src += srcStride;
558  }
559 }
560 
561 static inline void planar2x_c(const uint8_t *src, uint8_t *dst, int srcWidth,
562  int srcHeight, int srcStride, int dstStride)
563 {
564  int x, y;
565 
566  dst[0] = src[0];
567 
568  // first line
569  for (x = 0; x < srcWidth - 1; x++) {
570  dst[2 * x + 1] = (3 * src[x] + 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  dst += dstStride;
576 
577  for (y = 1; y < srcHeight; y++) {
578  const int mmxSize = 1;
579 
580  dst[0] = (src[0] * 3 + src[srcStride]) >> 2;
581  dst[dstStride] = (src[0] + 3 * src[srcStride]) >> 2;
582 
583  for (x = mmxSize - 1; x < srcWidth - 1; x++) {
584  dst[2 * x + 1] = (src[x + 0] * 3 + src[x + srcStride + 1]) >> 2;
585  dst[2 * x + dstStride + 2] = (src[x + 0] + 3 * src[x + srcStride + 1]) >> 2;
586  dst[2 * x + dstStride + 1] = (src[x + 1] + 3 * src[x + srcStride]) >> 2;
587  dst[2 * x + 2] = (src[x + 1] * 3 + src[x + srcStride]) >> 2;
588  }
589  dst[srcWidth * 2 - 1] = (src[srcWidth - 1] * 3 + src[srcWidth - 1 + srcStride]) >> 2;
590  dst[srcWidth * 2 - 1 + dstStride] = (src[srcWidth - 1] + 3 * src[srcWidth - 1 + srcStride]) >> 2;
591 
592  dst += dstStride * 2;
593  src += srcStride;
594  }
595 
596  // last line
597  dst[0] = src[0];
598 
599  for (x = 0; x < srcWidth - 1; x++) {
600  dst[2 * x + 1] = (src[x] * 3 + src[x + 1]) >> 2;
601  dst[2 * x + 2] = (src[x] + 3 * src[x + 1]) >> 2;
602  }
603  dst[2 * srcWidth - 1] = src[srcWidth - 1];
604 }
605 
606 /**
607  * Height should be a multiple of 2 and width should be a multiple of 16.
608  * (If this is a problem for anyone then tell me, and I will fix it.)
609  * Chrominance data is only taken from every second line, others are ignored.
610  * FIXME: Write HQ version.
611  */
612 static inline void uyvytoyv12_c(const uint8_t *src, uint8_t *ydst,
613  uint8_t *udst, uint8_t *vdst,
614  int width, int height, int lumStride,
615  int chromStride, int srcStride)
616 {
617  int y;
618  const int chromWidth = width >> 1;
619 
620  for (y = 0; y < height; y += 2) {
621  int i;
622  for (i = 0; i < chromWidth; i++) {
623  udst[i] = src[4 * i + 0];
624  ydst[2 * i + 0] = src[4 * i + 1];
625  vdst[i] = src[4 * i + 2];
626  ydst[2 * i + 1] = src[4 * i + 3];
627  }
628  ydst += lumStride;
629  src += srcStride;
630 
631  for (i = 0; i < chromWidth; i++) {
632  ydst[2 * i + 0] = src[4 * i + 1];
633  ydst[2 * i + 1] = src[4 * i + 3];
634  }
635  udst += chromStride;
636  vdst += chromStride;
637  ydst += lumStride;
638  src += srcStride;
639  }
640 }
641 
642 /**
643  * Height should be a multiple of 2 and width should be a multiple of 2.
644  * (If this is a problem for anyone then tell me, and I will fix it.)
645  * Chrominance data is only taken from every second line,
646  * others are ignored in the C version.
647  * FIXME: Write HQ version.
648  */
649 void ff_rgb24toyv12_c(const uint8_t *src, uint8_t *ydst, uint8_t *udst,
650  uint8_t *vdst, int width, int height, int lumStride,
651  int chromStride, int srcStride, int32_t *rgb2yuv)
652 {
653  int32_t ry = rgb2yuv[RY_IDX], gy = rgb2yuv[GY_IDX], by = rgb2yuv[BY_IDX];
654  int32_t ru = rgb2yuv[RU_IDX], gu = rgb2yuv[GU_IDX], bu = rgb2yuv[BU_IDX];
655  int32_t rv = rgb2yuv[RV_IDX], gv = rgb2yuv[GV_IDX], bv = rgb2yuv[BV_IDX];
656  int y;
657  const int chromWidth = width >> 1;
658 
659  for (y = 0; y < height; y += 2) {
660  int i;
661  for (i = 0; i < chromWidth; i++) {
662  unsigned int b = src[6 * i + 0];
663  unsigned int g = src[6 * i + 1];
664  unsigned int r = src[6 * i + 2];
665 
666  unsigned int Y = ((ry * r + gy * g + by * b) >> RGB2YUV_SHIFT) + 16;
667  unsigned int V = ((rv * r + gv * g + bv * b) >> RGB2YUV_SHIFT) + 128;
668  unsigned int U = ((ru * r + gu * g + bu * b) >> RGB2YUV_SHIFT) + 128;
669 
670  udst[i] = U;
671  vdst[i] = V;
672  ydst[2 * i] = Y;
673 
674  b = src[6 * i + 3];
675  g = src[6 * i + 4];
676  r = src[6 * i + 5];
677 
678  Y = ((ry * r + gy * g + by * b) >> RGB2YUV_SHIFT) + 16;
679  ydst[2 * i + 1] = Y;
680  }
681  ydst += lumStride;
682  src += srcStride;
683 
684  if (y+1 == height)
685  break;
686 
687  for (i = 0; i < chromWidth; i++) {
688  unsigned int b = src[6 * i + 0];
689  unsigned int g = src[6 * i + 1];
690  unsigned int r = src[6 * i + 2];
691 
692  unsigned int Y = ((ry * r + gy * g + by * b) >> RGB2YUV_SHIFT) + 16;
693 
694  ydst[2 * i] = Y;
695 
696  b = src[6 * i + 3];
697  g = src[6 * i + 4];
698  r = src[6 * i + 5];
699 
700  Y = ((ry * r + gy * g + by * b) >> RGB2YUV_SHIFT) + 16;
701  ydst[2 * i + 1] = Y;
702  }
703  udst += chromStride;
704  vdst += chromStride;
705  ydst += lumStride;
706  src += srcStride;
707  }
708 }
709 
710 static void interleaveBytes_c(const uint8_t *src1, const uint8_t *src2,
711  uint8_t *dest, int width, int height,
712  int src1Stride, int src2Stride, int dstStride)
713 {
714  int h;
715 
716  for (h = 0; h < height; h++) {
717  int w;
718  for (w = 0; w < width; w++) {
719  dest[2 * w + 0] = src1[w];
720  dest[2 * w + 1] = src2[w];
721  }
722  dest += dstStride;
723  src1 += src1Stride;
724  src2 += src2Stride;
725  }
726 }
727 
728 static void deinterleaveBytes_c(const uint8_t *src, uint8_t *dst1, uint8_t *dst2,
729  int width, int height, int srcStride,
730  int dst1Stride, int dst2Stride)
731 {
732  int h;
733 
734  for (h = 0; h < height; h++) {
735  int w;
736  for (w = 0; w < width; w++) {
737  dst1[w] = src[2 * w + 0];
738  dst2[w] = src[2 * w + 1];
739  }
740  src += srcStride;
741  dst1 += dst1Stride;
742  dst2 += dst2Stride;
743  }
744 }
745 
746 static inline void vu9_to_vu12_c(const uint8_t *src1, const uint8_t *src2,
747  uint8_t *dst1, uint8_t *dst2,
748  int width, int height,
749  int srcStride1, int srcStride2,
750  int dstStride1, int dstStride2)
751 {
752  int x, y;
753  int w = width / 2;
754  int h = height / 2;
755 
756  for (y = 0; y < h; y++) {
757  const uint8_t *s1 = src1 + srcStride1 * (y >> 1);
758  uint8_t *d = dst1 + dstStride1 * y;
759  for (x = 0; x < w; x++)
760  d[2 * x] = d[2 * x + 1] = s1[x];
761  }
762  for (y = 0; y < h; y++) {
763  const uint8_t *s2 = src2 + srcStride2 * (y >> 1);
764  uint8_t *d = dst2 + dstStride2 * y;
765  for (x = 0; x < w; x++)
766  d[2 * x] = d[2 * x + 1] = s2[x];
767  }
768 }
769 
770 static inline void yvu9_to_yuy2_c(const uint8_t *src1, const uint8_t *src2,
771  const uint8_t *src3, uint8_t *dst,
772  int width, int height,
773  int srcStride1, int srcStride2,
774  int srcStride3, int dstStride)
775 {
776  int x, y;
777  int w = width / 2;
778  int h = height;
779 
780  for (y = 0; y < h; y++) {
781  const uint8_t *yp = src1 + srcStride1 * y;
782  const uint8_t *up = src2 + srcStride2 * (y >> 2);
783  const uint8_t *vp = src3 + srcStride3 * (y >> 2);
784  uint8_t *d = dst + dstStride * y;
785  for (x = 0; x < w; x++) {
786  const int x2 = x << 2;
787  d[8 * x + 0] = yp[x2];
788  d[8 * x + 1] = up[x];
789  d[8 * x + 2] = yp[x2 + 1];
790  d[8 * x + 3] = vp[x];
791  d[8 * x + 4] = yp[x2 + 2];
792  d[8 * x + 5] = up[x];
793  d[8 * x + 6] = yp[x2 + 3];
794  d[8 * x + 7] = vp[x];
795  }
796  }
797 }
798 
799 static void extract_even_c(const uint8_t *src, uint8_t *dst, int count)
800 {
801  dst += count;
802  src += count * 2;
803  count = -count;
804  while (count < 0) {
805  dst[count] = src[2 * count];
806  count++;
807  }
808 }
809 
810 static void extract_even2_c(const uint8_t *src, uint8_t *dst0, uint8_t *dst1,
811  int count)
812 {
813  dst0 += count;
814  dst1 += count;
815  src += count * 4;
816  count = -count;
817  while (count < 0) {
818  dst0[count] = src[4 * count + 0];
819  dst1[count] = src[4 * count + 2];
820  count++;
821  }
822 }
823 
824 static void extract_even2avg_c(const uint8_t *src0, const uint8_t *src1,
825  uint8_t *dst0, uint8_t *dst1, int count)
826 {
827  dst0 += count;
828  dst1 += count;
829  src0 += count * 4;
830  src1 += count * 4;
831  count = -count;
832  while (count < 0) {
833  dst0[count] = (src0[4 * count + 0] + src1[4 * count + 0]) >> 1;
834  dst1[count] = (src0[4 * count + 2] + src1[4 * count + 2]) >> 1;
835  count++;
836  }
837 }
838 
839 static void extract_odd2_c(const uint8_t *src, uint8_t *dst0, uint8_t *dst1,
840  int count)
841 {
842  dst0 += count;
843  dst1 += count;
844  src += count * 4;
845  count = -count;
846  src++;
847  while (count < 0) {
848  dst0[count] = src[4 * count + 0];
849  dst1[count] = src[4 * count + 2];
850  count++;
851  }
852 }
853 
854 static void extract_odd2avg_c(const uint8_t *src0, const uint8_t *src1,
855  uint8_t *dst0, uint8_t *dst1, int count)
856 {
857  dst0 += count;
858  dst1 += count;
859  src0 += count * 4;
860  src1 += count * 4;
861  count = -count;
862  src0++;
863  src1++;
864  while (count < 0) {
865  dst0[count] = (src0[4 * count + 0] + src1[4 * count + 0]) >> 1;
866  dst1[count] = (src0[4 * count + 2] + src1[4 * count + 2]) >> 1;
867  count++;
868  }
869 }
870 
871 static void yuyvtoyuv420_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
872  const uint8_t *src, int width, int height,
873  int lumStride, int chromStride, int srcStride)
874 {
875  int y;
876  const int chromWidth = AV_CEIL_RSHIFT(width, 1);
877 
878  for (y = 0; y < height; y++) {
879  extract_even_c(src, ydst, width);
880  if (y & 1) {
881  extract_odd2avg_c(src - srcStride, src, udst, vdst, chromWidth);
882  udst += chromStride;
883  vdst += chromStride;
884  }
885 
886  src += srcStride;
887  ydst += lumStride;
888  }
889 }
890 
891 static void yuyvtoyuv422_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
892  const uint8_t *src, int width, int height,
893  int lumStride, int chromStride, int srcStride)
894 {
895  int y;
896  const int chromWidth = AV_CEIL_RSHIFT(width, 1);
897 
898  for (y = 0; y < height; y++) {
899  extract_even_c(src, ydst, width);
900  extract_odd2_c(src, udst, vdst, chromWidth);
901 
902  src += srcStride;
903  ydst += lumStride;
904  udst += chromStride;
905  vdst += chromStride;
906  }
907 }
908 
909 static void uyvytoyuv420_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
910  const uint8_t *src, int width, int height,
911  int lumStride, int chromStride, int srcStride)
912 {
913  int y;
914  const int chromWidth = AV_CEIL_RSHIFT(width, 1);
915 
916  for (y = 0; y < height; y++) {
917  extract_even_c(src + 1, ydst, width);
918  if (y & 1) {
919  extract_even2avg_c(src - srcStride, src, udst, vdst, chromWidth);
920  udst += chromStride;
921  vdst += chromStride;
922  }
923 
924  src += srcStride;
925  ydst += lumStride;
926  }
927 }
928 
929 static void uyvytoyuv422_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
930  const uint8_t *src, int width, int height,
931  int lumStride, int chromStride, int srcStride)
932 {
933  int y;
934  const int chromWidth = AV_CEIL_RSHIFT(width, 1);
935 
936  for (y = 0; y < height; y++) {
937  extract_even_c(src + 1, ydst, width);
938  extract_even2_c(src, udst, vdst, chromWidth);
939 
940  src += srcStride;
941  ydst += lumStride;
942  udst += chromStride;
943  vdst += chromStride;
944  }
945 }
946 
947 static av_cold void rgb2rgb_init_c(void)
948 {
964 #if HAVE_BIGENDIAN
967 #else
970  shuffle_bytes_1230 = shuffle_bytes_1230_c;
971  shuffle_bytes_3012 = shuffle_bytes_3012_c;
972  shuffle_bytes_3210 = shuffle_bytes_3210_c;
973 #endif
987 
992 }
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)
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)
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(* planar2x)(const uint8_t *src, uint8_t *dst, int width, int height, int srcStride, int dstStride)
Definition: rgb2rgb.c:86
const char * g
Definition: vf_curves.c:112
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)
const char * b
Definition: vf_curves.c:113
#define GV_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
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
static void rgb24tobgr32_c(const uint8_t *src, uint8_t *dst, int src_size)
void(* shuffle_bytes_3210)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:58
void(* rgb32to16)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:45
static void rgb15tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
#define src
Definition: vp8dsp.c:254
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.
void(* rgb16to15)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:50
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
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
static void rgb16tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
#define RU_IDX
static void rgb24tobgr16_c(const uint8_t *src, uint8_t *dst, int src_size)
uint8_t
#define av_cold
Definition: attributes.h:82
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 Y
Definition: vf_boxblur.c:76
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(* rgb15tobgr24)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:43
#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)
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
#define U(x)
Definition: vp56_arith.h:37
#define s2
Definition: regdef.h:39
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
static av_cold void rgb2rgb_init_c(void)
void(* rgb16to32)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:49
void(* rgb24tobgr32)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:38
const char * r
Definition: vf_curves.c:111
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(* rgb24to15)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:48
uint16_t width
Definition: gdv.c:47
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)
GLsizei count
Definition: opengl_enc.c:109
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
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...
static void shuffle_bytes_0321_c(const uint8_t *src, uint8_t *dst, int src_size)
void(* rgb32tobgr15)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:37
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(* shuffle_bytes_1230)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:56
#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(* 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
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(* rgb15to32)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:52
#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(* rgb15to16)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:51
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(* 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
static void rgb15to32_c(const uint8_t *src, uint8_t *dst, int src_size)
void(* shuffle_bytes_3012)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:57
static void rgb15to16_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
void(* shuffle_bytes_2103)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:55
#define src0
Definition: h264pred.c:138
#define s1
Definition: regdef.h:38
static void rgb32to16_c(const uint8_t *src, uint8_t *dst, int src_size)
void(* shuffle_bytes_0321)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:54
#define GY_IDX
void(* rgb24tobgr15)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:41
static void extract_even2avg_c(const uint8_t *src0, const uint8_t *src1, uint8_t *dst0, uint8_t *dst1, int count)
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(* 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 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)
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
void(* rgb24tobgr16)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:40
static void rgb32tobgr15_c(const uint8_t *src, uint8_t *dst, int src_size)
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
void(* rgb32tobgr24)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:35
void(* rgb24to16)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:47
void(* rgb16tobgr24)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:42
void(* rgb32tobgr16)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:36
static void shuffle_bytes_2103_c(const uint8_t *src, uint8_t *dst, int src_size)
static void rgb24to15_c(const uint8_t *src, uint8_t *dst, int src_size)
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
#define GU_IDX
#define BY_IDX
static void rgb32tobgr16_c(const uint8_t *src, uint8_t *dst, int src_size)
#define BU_IDX
void(* rgb24tobgr24)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:39
#define V
Definition: avdct.c:30
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58