Libav
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 Libav.
11  *
12  * Libav 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  * Libav 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 Libav; 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 /*
244  * I use less accurate approximation here by simply left-shifting the input
245  * value and filling the low order bits with zeroes. This method improves PNG
246  * compression but this scheme cannot reproduce white exactly, since it does
247  * not generate an all-ones maximum value; the net effect is to darken the
248  * image slightly.
249  *
250  * The better method should be "left bit replication":
251  *
252  * 4 3 2 1 0
253  * ---------
254  * 1 1 0 1 1
255  *
256  * 7 6 5 4 3 2 1 0
257  * ----------------
258  * 1 1 0 1 1 1 1 0
259  * |=======| |===|
260  * | leftmost bits repeated to fill open bits
261  * |
262  * original bits
263  */
264 static inline void rgb15tobgr24_c(const uint8_t *src, uint8_t *dst,
265  int src_size)
266 {
267  uint8_t *d = dst;
268  const uint16_t *s = (const uint16_t *)src;
269  const uint16_t *end = s + src_size / 2;
270 
271  while (s < end) {
272  register uint16_t bgr = *s++;
273  *d++ = (bgr & 0x1F) << 3;
274  *d++ = (bgr & 0x3E0) >> 2;
275  *d++ = (bgr & 0x7C00) >> 7;
276  }
277 }
278 
279 static inline void rgb16tobgr24_c(const uint8_t *src, uint8_t *dst,
280  int src_size)
281 {
282  uint8_t *d = (uint8_t *)dst;
283  const uint16_t *s = (const uint16_t *)src;
284  const uint16_t *end = s + src_size / 2;
285 
286  while (s < end) {
287  register uint16_t bgr = *s++;
288  *d++ = (bgr & 0x1F) << 3;
289  *d++ = (bgr & 0x7E0) >> 3;
290  *d++ = (bgr & 0xF800) >> 8;
291  }
292 }
293 
294 static inline void rgb15to32_c(const uint8_t *src, uint8_t *dst, int src_size)
295 {
296  uint8_t *d = dst;
297  const uint16_t *s = (const uint16_t *)src;
298  const uint16_t *end = s + src_size / 2;
299 
300  while (s < end) {
301  register uint16_t bgr = *s++;
302 #if HAVE_BIGENDIAN
303  *d++ = 255;
304  *d++ = (bgr & 0x7C00) >> 7;
305  *d++ = (bgr & 0x3E0) >> 2;
306  *d++ = (bgr & 0x1F) << 3;
307 #else
308  *d++ = (bgr & 0x1F) << 3;
309  *d++ = (bgr & 0x3E0) >> 2;
310  *d++ = (bgr & 0x7C00) >> 7;
311  *d++ = 255;
312 #endif
313  }
314 }
315 
316 static inline void rgb16to32_c(const uint8_t *src, uint8_t *dst, int src_size)
317 {
318  uint8_t *d = dst;
319  const uint16_t *s = (const uint16_t *)src;
320  const uint16_t *end = s + src_size / 2;
321 
322  while (s < end) {
323  register uint16_t bgr = *s++;
324 #if HAVE_BIGENDIAN
325  *d++ = 255;
326  *d++ = (bgr & 0xF800) >> 8;
327  *d++ = (bgr & 0x7E0) >> 3;
328  *d++ = (bgr & 0x1F) << 3;
329 #else
330  *d++ = (bgr & 0x1F) << 3;
331  *d++ = (bgr & 0x7E0) >> 3;
332  *d++ = (bgr & 0xF800) >> 8;
333  *d++ = 255;
334 #endif
335  }
336 }
337 
338 static inline void shuffle_bytes_2103_c(const uint8_t *src, uint8_t *dst,
339  int src_size)
340 {
341  int idx = 15 - src_size;
342  const uint8_t *s = src - idx;
343  uint8_t *d = dst - idx;
344 
345  for (; idx < 15; idx += 4) {
346  register int v = *(const uint32_t *)&s[idx], g = v & 0xff00ff00;
347  v &= 0xff00ff;
348  *(uint32_t *)&d[idx] = (v >> 16) + g + (v << 16);
349  }
350 }
351 
352 static inline void rgb24tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
353 {
354  unsigned i;
355 
356  for (i = 0; i < src_size; i += 3) {
357  register uint8_t x = src[i + 2];
358  dst[i + 1] = src[i + 1];
359  dst[i + 2] = src[i + 0];
360  dst[i + 0] = x;
361  }
362 }
363 
364 static inline void yuvPlanartoyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
365  const uint8_t *vsrc, uint8_t *dst,
366  int width, int height,
367  int lumStride, int chromStride,
368  int dstStride, int vertLumPerChroma)
369 {
370  int y, i;
371  const int chromWidth = width >> 1;
372 
373  for (y = 0; y < height; y++) {
374 #if HAVE_FAST_64BIT
375  uint64_t *ldst = (uint64_t *)dst;
376  const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
377  for (i = 0; i < chromWidth; i += 2) {
378  uint64_t k = yc[0] + (uc[0] << 8) +
379  (yc[1] << 16) + ((unsigned) vc[0] << 24);
380  uint64_t l = yc[2] + (uc[1] << 8) +
381  (yc[3] << 16) + ((unsigned) vc[1] << 24);
382  *ldst++ = k + (l << 32);
383  yc += 4;
384  uc += 2;
385  vc += 2;
386  }
387 
388 #else
389  int *idst = (int32_t *)dst;
390  const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
391 
392  for (i = 0; i < chromWidth; i++) {
393 #if HAVE_BIGENDIAN
394  *idst++ = (yc[0] << 24) + (uc[0] << 16) +
395  (yc[1] << 8) + (vc[0] << 0);
396 #else
397  *idst++ = yc[0] + (uc[0] << 8) +
398  (yc[1] << 16) + (vc[0] << 24);
399 #endif
400  yc += 2;
401  uc++;
402  vc++;
403  }
404 #endif
405  if ((y & (vertLumPerChroma - 1)) == vertLumPerChroma - 1) {
406  usrc += chromStride;
407  vsrc += chromStride;
408  }
409  ysrc += lumStride;
410  dst += dstStride;
411  }
412 }
413 
418 static inline void yv12toyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
419  const uint8_t *vsrc, uint8_t *dst,
420  int width, int height, int lumStride,
421  int chromStride, int dstStride)
422 {
423  //FIXME interpolate chroma
424  yuvPlanartoyuy2_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
425  chromStride, dstStride, 2);
426 }
427 
428 static inline void yuvPlanartouyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
429  const uint8_t *vsrc, uint8_t *dst,
430  int width, int height,
431  int lumStride, int chromStride,
432  int dstStride, int vertLumPerChroma)
433 {
434  int y, i;
435  const int chromWidth = width >> 1;
436 
437  for (y = 0; y < height; y++) {
438 #if HAVE_FAST_64BIT
439  uint64_t *ldst = (uint64_t *)dst;
440  const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
441  for (i = 0; i < chromWidth; i += 2) {
442  uint64_t k = uc[0] + (yc[0] << 8) +
443  (vc[0] << 16) + ((unsigned) yc[1] << 24);
444  uint64_t l = uc[1] + (yc[2] << 8) +
445  (vc[1] << 16) + ((unsigned) yc[3] << 24);
446  *ldst++ = k + (l << 32);
447  yc += 4;
448  uc += 2;
449  vc += 2;
450  }
451 
452 #else
453  int *idst = (int32_t *)dst;
454  const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
455 
456  for (i = 0; i < chromWidth; i++) {
457 #if HAVE_BIGENDIAN
458  *idst++ = (uc[0] << 24) + (yc[0] << 16) +
459  (vc[0] << 8) + (yc[1] << 0);
460 #else
461  *idst++ = uc[0] + (yc[0] << 8) +
462  (vc[0] << 16) + (yc[1] << 24);
463 #endif
464  yc += 2;
465  uc++;
466  vc++;
467  }
468 #endif
469  if ((y & (vertLumPerChroma - 1)) == vertLumPerChroma - 1) {
470  usrc += chromStride;
471  vsrc += chromStride;
472  }
473  ysrc += lumStride;
474  dst += dstStride;
475  }
476 }
477 
482 static inline void yv12touyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
483  const uint8_t *vsrc, uint8_t *dst,
484  int width, int height, int lumStride,
485  int chromStride, int dstStride)
486 {
487  //FIXME interpolate chroma
488  yuvPlanartouyvy_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
489  chromStride, dstStride, 2);
490 }
491 
495 static inline void yuv422ptouyvy_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  yuvPlanartouyvy_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
501  chromStride, dstStride, 1);
502 }
503 
507 static inline void yuv422ptoyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
508  const uint8_t *vsrc, uint8_t *dst,
509  int width, int height, int lumStride,
510  int chromStride, int dstStride)
511 {
512  yuvPlanartoyuy2_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
513  chromStride, dstStride, 1);
514 }
515 
520 static inline void yuy2toyv12_c(const uint8_t *src, uint8_t *ydst,
521  uint8_t *udst, uint8_t *vdst,
522  int width, int height, int lumStride,
523  int chromStride, int srcStride)
524 {
525  int y;
526  const int chromWidth = width >> 1;
527 
528  for (y = 0; y < height; y += 2) {
529  int i;
530  for (i = 0; i < chromWidth; i++) {
531  ydst[2 * i + 0] = src[4 * i + 0];
532  udst[i] = src[4 * i + 1];
533  ydst[2 * i + 1] = src[4 * i + 2];
534  vdst[i] = src[4 * i + 3];
535  }
536  ydst += lumStride;
537  src += srcStride;
538 
539  for (i = 0; i < chromWidth; i++) {
540  ydst[2 * i + 0] = src[4 * i + 0];
541  ydst[2 * i + 1] = src[4 * i + 2];
542  }
543  udst += chromStride;
544  vdst += chromStride;
545  ydst += lumStride;
546  src += srcStride;
547  }
548 }
549 
550 static inline void planar2x_c(const uint8_t *src, uint8_t *dst, int srcWidth,
551  int srcHeight, int srcStride, int dstStride)
552 {
553  int x, y;
554 
555  dst[0] = src[0];
556 
557  // first line
558  for (x = 0; x < srcWidth - 1; x++) {
559  dst[2 * x + 1] = (3 * src[x] + src[x + 1]) >> 2;
560  dst[2 * x + 2] = (src[x] + 3 * src[x + 1]) >> 2;
561  }
562  dst[2 * srcWidth - 1] = src[srcWidth - 1];
563 
564  dst += dstStride;
565 
566  for (y = 1; y < srcHeight; y++) {
567  const int mmxSize = 1;
568 
569  dst[0] = (src[0] * 3 + src[srcStride]) >> 2;
570  dst[dstStride] = (src[0] + 3 * src[srcStride]) >> 2;
571 
572  for (x = mmxSize - 1; x < srcWidth - 1; x++) {
573  dst[2 * x + 1] = (src[x + 0] * 3 + src[x + srcStride + 1]) >> 2;
574  dst[2 * x + dstStride + 2] = (src[x + 0] + 3 * src[x + srcStride + 1]) >> 2;
575  dst[2 * x + dstStride + 1] = (src[x + 1] + 3 * src[x + srcStride]) >> 2;
576  dst[2 * x + 2] = (src[x + 1] * 3 + src[x + srcStride]) >> 2;
577  }
578  dst[srcWidth * 2 - 1] = (src[srcWidth - 1] * 3 + src[srcWidth - 1 + srcStride]) >> 2;
579  dst[srcWidth * 2 - 1 + dstStride] = (src[srcWidth - 1] + 3 * src[srcWidth - 1 + srcStride]) >> 2;
580 
581  dst += dstStride * 2;
582  src += srcStride;
583  }
584 
585  // last line
586  dst[0] = src[0];
587 
588  for (x = 0; x < srcWidth - 1; x++) {
589  dst[2 * x + 1] = (src[x] * 3 + src[x + 1]) >> 2;
590  dst[2 * x + 2] = (src[x] + 3 * src[x + 1]) >> 2;
591  }
592  dst[2 * srcWidth - 1] = src[srcWidth - 1];
593 }
594 
601 static inline void uyvytoyv12_c(const uint8_t *src, uint8_t *ydst,
602  uint8_t *udst, uint8_t *vdst,
603  int width, int height, int lumStride,
604  int chromStride, int srcStride)
605 {
606  int y;
607  const int chromWidth = width >> 1;
608 
609  for (y = 0; y < height; y += 2) {
610  int i;
611  for (i = 0; i < chromWidth; i++) {
612  udst[i] = src[4 * i + 0];
613  ydst[2 * i + 0] = src[4 * i + 1];
614  vdst[i] = src[4 * i + 2];
615  ydst[2 * i + 1] = src[4 * i + 3];
616  }
617  ydst += lumStride;
618  src += srcStride;
619 
620  for (i = 0; i < chromWidth; i++) {
621  ydst[2 * i + 0] = src[4 * i + 1];
622  ydst[2 * i + 1] = src[4 * i + 3];
623  }
624  udst += chromStride;
625  vdst += chromStride;
626  ydst += lumStride;
627  src += srcStride;
628  }
629 }
630 
638 void rgb24toyv12_c(const uint8_t *src, uint8_t *ydst, uint8_t *udst,
639  uint8_t *vdst, int width, int height, int lumStride,
640  int chromStride, int srcStride)
641 {
642  int y;
643  const int chromWidth = width >> 1;
644 
645  for (y = 0; y < height; y += 2) {
646  int i;
647  for (i = 0; i < chromWidth; i++) {
648  unsigned int b = src[6 * i + 0];
649  unsigned int g = src[6 * i + 1];
650  unsigned int r = src[6 * i + 2];
651 
652  unsigned int Y = ((RY * r + GY * g + BY * b) >> RGB2YUV_SHIFT) + 16;
653  unsigned int V = ((RV * r + GV * g + BV * b) >> RGB2YUV_SHIFT) + 128;
654  unsigned int U = ((RU * r + GU * g + BU * b) >> RGB2YUV_SHIFT) + 128;
655 
656  udst[i] = U;
657  vdst[i] = V;
658  ydst[2 * i] = Y;
659 
660  b = src[6 * i + 3];
661  g = src[6 * i + 4];
662  r = src[6 * i + 5];
663 
664  Y = ((RY * r + GY * g + BY * b) >> RGB2YUV_SHIFT) + 16;
665  ydst[2 * i + 1] = Y;
666  }
667  ydst += lumStride;
668  src += srcStride;
669 
670  for (i = 0; i < chromWidth; i++) {
671  unsigned int b = src[6 * i + 0];
672  unsigned int g = src[6 * i + 1];
673  unsigned int r = src[6 * i + 2];
674 
675  unsigned int Y = ((RY * r + GY * g + BY * b) >> RGB2YUV_SHIFT) + 16;
676 
677  ydst[2 * i] = Y;
678 
679  b = src[6 * i + 3];
680  g = src[6 * i + 4];
681  r = src[6 * i + 5];
682 
683  Y = ((RY * r + GY * g + BY * b) >> RGB2YUV_SHIFT) + 16;
684  ydst[2 * i + 1] = Y;
685  }
686  udst += chromStride;
687  vdst += chromStride;
688  ydst += lumStride;
689  src += srcStride;
690  }
691 }
692 
693 static void interleaveBytes_c(const uint8_t *src1, const uint8_t *src2,
694  uint8_t *dest, int width, int height,
695  int src1Stride, int src2Stride, int dstStride)
696 {
697  int h;
698 
699  for (h = 0; h < height; h++) {
700  int w;
701  for (w = 0; w < width; w++) {
702  dest[2 * w + 0] = src1[w];
703  dest[2 * w + 1] = src2[w];
704  }
705  dest += dstStride;
706  src1 += src1Stride;
707  src2 += src2Stride;
708  }
709 }
710 
711 static void deinterleaveBytes_c(const uint8_t *src, uint8_t *dst1, uint8_t *dst2,
712  int width, int height, int srcStride,
713  int dst1Stride, int dst2Stride)
714 {
715  int h;
716 
717  for (h = 0; h < height; h++) {
718  int w;
719  for (w = 0; w < width; w++) {
720  dst1[w] = src[2 * w + 0];
721  dst2[w] = src[2 * w + 1];
722  }
723  src += srcStride;
724  dst1 += dst1Stride;
725  dst2 += dst2Stride;
726  }
727 }
728 
729 static inline void vu9_to_vu12_c(const uint8_t *src1, const uint8_t *src2,
730  uint8_t *dst1, uint8_t *dst2,
731  int width, int height,
732  int srcStride1, int srcStride2,
733  int dstStride1, int dstStride2)
734 {
735  int x, y;
736  int w = width / 2;
737  int h = height / 2;
738 
739  for (y = 0; y < h; y++) {
740  const uint8_t *s1 = src1 + srcStride1 * (y >> 1);
741  uint8_t *d = dst1 + dstStride1 * y;
742  for (x = 0; x < w; x++)
743  d[2 * x] = d[2 * x + 1] = s1[x];
744  }
745  for (y = 0; y < h; y++) {
746  const uint8_t *s2 = src2 + srcStride2 * (y >> 1);
747  uint8_t *d = dst2 + dstStride2 * y;
748  for (x = 0; x < w; x++)
749  d[2 * x] = d[2 * x + 1] = s2[x];
750  }
751 }
752 
753 static inline void yvu9_to_yuy2_c(const uint8_t *src1, const uint8_t *src2,
754  const uint8_t *src3, uint8_t *dst,
755  int width, int height,
756  int srcStride1, int srcStride2,
757  int srcStride3, int dstStride)
758 {
759  int x, y;
760  int w = width / 2;
761  int h = height;
762 
763  for (y = 0; y < h; y++) {
764  const uint8_t *yp = src1 + srcStride1 * y;
765  const uint8_t *up = src2 + srcStride2 * (y >> 2);
766  const uint8_t *vp = src3 + srcStride3 * (y >> 2);
767  uint8_t *d = dst + dstStride * y;
768  for (x = 0; x < w; x++) {
769  const int x2 = x << 2;
770  d[8 * x + 0] = yp[x2];
771  d[8 * x + 1] = up[x];
772  d[8 * x + 2] = yp[x2 + 1];
773  d[8 * x + 3] = vp[x];
774  d[8 * x + 4] = yp[x2 + 2];
775  d[8 * x + 5] = up[x];
776  d[8 * x + 6] = yp[x2 + 3];
777  d[8 * x + 7] = vp[x];
778  }
779  }
780 }
781 
782 static void extract_even_c(const uint8_t *src, uint8_t *dst, int count)
783 {
784  dst += count;
785  src += count * 2;
786  count = -count;
787  while (count < 0) {
788  dst[count] = src[2 * count];
789  count++;
790  }
791 }
792 
793 static void extract_even2_c(const uint8_t *src, uint8_t *dst0, uint8_t *dst1,
794  int count)
795 {
796  dst0 += count;
797  dst1 += count;
798  src += count * 4;
799  count = -count;
800  while (count < 0) {
801  dst0[count] = src[4 * count + 0];
802  dst1[count] = src[4 * count + 2];
803  count++;
804  }
805 }
806 
807 static void extract_even2avg_c(const uint8_t *src0, const uint8_t *src1,
808  uint8_t *dst0, uint8_t *dst1, int count)
809 {
810  dst0 += count;
811  dst1 += count;
812  src0 += count * 4;
813  src1 += count * 4;
814  count = -count;
815  while (count < 0) {
816  dst0[count] = (src0[4 * count + 0] + src1[4 * count + 0]) >> 1;
817  dst1[count] = (src0[4 * count + 2] + src1[4 * count + 2]) >> 1;
818  count++;
819  }
820 }
821 
822 static void extract_odd2_c(const uint8_t *src, uint8_t *dst0, uint8_t *dst1,
823  int count)
824 {
825  dst0 += count;
826  dst1 += count;
827  src += count * 4;
828  count = -count;
829  src++;
830  while (count < 0) {
831  dst0[count] = src[4 * count + 0];
832  dst1[count] = src[4 * count + 2];
833  count++;
834  }
835 }
836 
837 static void extract_odd2avg_c(const uint8_t *src0, const uint8_t *src1,
838  uint8_t *dst0, uint8_t *dst1, int count)
839 {
840  dst0 += count;
841  dst1 += count;
842  src0 += count * 4;
843  src1 += count * 4;
844  count = -count;
845  src0++;
846  src1++;
847  while (count < 0) {
848  dst0[count] = (src0[4 * count + 0] + src1[4 * count + 0]) >> 1;
849  dst1[count] = (src0[4 * count + 2] + src1[4 * count + 2]) >> 1;
850  count++;
851  }
852 }
853 
854 static void yuyvtoyuv420_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
855  const uint8_t *src, int width, int height,
856  int lumStride, int chromStride, int srcStride)
857 {
858  int y;
859  const int chromWidth = -((-width) >> 1);
860 
861  for (y = 0; y < height; y++) {
862  extract_even_c(src, ydst, width);
863  if (y & 1) {
864  extract_odd2avg_c(src - srcStride, src, udst, vdst, chromWidth);
865  udst += chromStride;
866  vdst += chromStride;
867  }
868 
869  src += srcStride;
870  ydst += lumStride;
871  }
872 }
873 
874 static void yuyvtoyuv422_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
875  const uint8_t *src, int width, int height,
876  int lumStride, int chromStride, int srcStride)
877 {
878  int y;
879  const int chromWidth = -((-width) >> 1);
880 
881  for (y = 0; y < height; y++) {
882  extract_even_c(src, ydst, width);
883  extract_odd2_c(src, udst, vdst, chromWidth);
884 
885  src += srcStride;
886  ydst += lumStride;
887  udst += chromStride;
888  vdst += chromStride;
889  }
890 }
891 
892 static void uyvytoyuv420_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
893  const uint8_t *src, int width, int height,
894  int lumStride, int chromStride, int srcStride)
895 {
896  int y;
897  const int chromWidth = -((-width) >> 1);
898 
899  for (y = 0; y < height; y++) {
900  extract_even_c(src + 1, ydst, width);
901  if (y & 1) {
902  extract_even2avg_c(src - srcStride, src, udst, vdst, chromWidth);
903  udst += chromStride;
904  vdst += chromStride;
905  }
906 
907  src += srcStride;
908  ydst += lumStride;
909  }
910 }
911 
912 static void uyvytoyuv422_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
913  const uint8_t *src, int width, int height,
914  int lumStride, int chromStride, int srcStride)
915 {
916  int y;
917  const int chromWidth = -((-width) >> 1);
918 
919  for (y = 0; y < height; y++) {
920  extract_even_c(src + 1, ydst, width);
921  extract_even2_c(src, udst, vdst, chromWidth);
922 
923  src += srcStride;
924  ydst += lumStride;
925  udst += chromStride;
926  vdst += chromStride;
927  }
928 }
929 
930 static av_cold void rgb2rgb_init_c(void)
931 {
961 
966 }
static void RENAME() rgb32tobgr15(const uint8_t *src, uint8_t *dst, int src_size)
static void RENAME() yuyvtoyuv422(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 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 RENAME() 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)
static void RENAME() uyvytoyuv422(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.
static void RENAME() rgb16tobgr24(const uint8_t *src, uint8_t *dst, int src_size)
Definition: vf_drawbox.c:37
static void extract_odd2avg_c(const uint8_t *src0, const uint8_t *src1, uint8_t *dst0, uint8_t *dst1, int count)
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)
static void RENAME() rgb24toyv12(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 2.
static void RENAME() rgb32tobgr16(const uint8_t *src, uint8_t *dst, int src_size)
static void RENAME() rgb24tobgr24(const uint8_t *src, uint8_t *dst, int src_size)
Definition: vf_drawbox.c:37
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)
#define GY
Definition: input.c:42
static void rgb24tobgr32_c(const uint8_t *src, uint8_t *dst, int src_size)
static void RENAME() 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.
static void rgb15tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
static void RENAME() rgb15to32(const uint8_t *src, uint8_t *dst, int src_size)
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.
#define BY
Definition: input.c:39
static void rgb16tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
static void rgb24tobgr16_c(const uint8_t *src, uint8_t *dst, int src_size)
uint8_t
#define av_cold
Definition: attributes.h:66
#define GU
Definition: input.c:44
static void RENAME() 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.
static void extract_even_c(const uint8_t *src, uint8_t *dst, int count)
#define b
Definition: input.c:52
void 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)
Height should be a multiple of 2 and width should be a multiple of 2.
static void RENAME() rgb24tobgr15(const uint8_t *src, uint8_t *dst, int src_size)
static void rgb16to15_c(const uint8_t *src, uint8_t *dst, int src_size)
static void RENAME() rgb24tobgr16(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 r
Definition: input.c:51
static av_cold void rgb2rgb_init_c(void)
static void RENAME() uyvytoyuv420(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 RENAME() shuffle_bytes_2103(const uint8_t *src, uint8_t *dst, int src_size)
static void RENAME() 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 (If this is a problem for anyon...
g
Definition: yuv2rgb.c:535
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.
#define BU
Definition: input.c:41
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)
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 V
Definition: options_table.h:35
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 RENAME() rgb24to15(const uint8_t *src, uint8_t *dst, int src_size)
static void RENAME() rgb15to16(const uint8_t *src, uint8_t *dst, int src_size)
static void rgb24tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
static void RENAME() rgb16to15(const uint8_t *src, uint8_t *dst, int src_size)
int32_t
static void RENAME() rgb32to16(const uint8_t *src, uint8_t *dst, int src_size)
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)
static void RENAME() 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.
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)
static int width
Definition: utils.c:156
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:85
static void RENAME() rgb16to32(const uint8_t *src, uint8_t *dst, int src_size)
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)
static void rgb15to32_c(const uint8_t *src, uint8_t *dst, int src_size)
static void RENAME() rgb15tobgr24(const uint8_t *src, uint8_t *dst, int src_size)
static void rgb15to16_c(const uint8_t *src, uint8_t *dst, int src_size)
static void RENAME() rgb32tobgr24(const uint8_t *src, uint8_t *dst, int src_size)
static void rgb32to16_c(const uint8_t *src, uint8_t *dst, int src_size)
static void extract_even2avg_c(const uint8_t *src0, const uint8_t *src1, uint8_t *dst0, uint8_t *dst1, int count)
#define RU
Definition: input.c:47
static void extract_odd2_c(const uint8_t *src, uint8_t *dst0, uint8_t *dst1, int count)
int height
Definition: gxfenc.c:72
static void RENAME() yuyvtoyuv420(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, int width, int height, int lumStride, int chromStride, int srcStride)
#define GV
Definition: input.c:43
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 RENAME() 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)
#define RGB2YUV_SHIFT
Definition: input.c:38
static void rgb32tobgr15_c(const uint8_t *src, uint8_t *dst, int src_size)
static void RENAME() rgb24tobgr32(const uint8_t *src, uint8_t *dst, int src_size)
#define RY
Definition: input.c:45
static void RENAME() 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.
#define RV
Definition: input.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:80
static void rgb24to15_c(const uint8_t *src, uint8_t *dst, int src_size)
static void RENAME() rgb24to16(const uint8_t *src, uint8_t *dst, int src_size)
#define BV
Definition: input.c:40
static void rgb32tobgr16_c(const uint8_t *src, uint8_t *dst, int src_size)
static void RENAME() rgb32to15(const uint8_t *src, uint8_t *dst, int src_size)
static void RENAME() interleaveBytes(const uint8_t *src1, const uint8_t *src2, uint8_t *dest, int width, int height, int src1Stride, int src2Stride, int dstStride)