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
10 * This file is part of FFmpeg.
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.
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.
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
29 #include "libavutil/attributes.h"
31 static inline void rgb24tobgr32_c(const uint8_t *src, uint8_t *dst,
35 const uint8_t *s = src;
36 const uint8_t *end = s + src_size;
40 /* RGB24 (= R, G, B) -> RGB32 (= A, B, G, R) */
55 static inline void rgb32tobgr24_c(const uint8_t *src, uint8_t *dst,
59 const uint8_t *s = src;
60 const uint8_t *end = s + src_size;
64 /* RGB32 (= A, B, G, R) -> RGB24 (= R, G, B) */
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
85 static inline void rgb15to16_c(const uint8_t *src, uint8_t *dst, int src_size)
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;
93 register unsigned x = *((const uint32_t *)s);
94 *((uint32_t *)d) = (x & 0x7FFF7FFF) + (x & 0x7FE07FE0);
99 register unsigned short x = *((const uint16_t *)s);
100 *((uint16_t *)d) = (x & 0x7FFF) + (x & 0x7FE0);
104 static inline void rgb16to15_c(const uint8_t *src, uint8_t *dst, int src_size)
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;
112 register uint32_t x = *((const uint32_t *)s);
113 *((uint32_t *)d) = ((x >> 1) & 0x7FE07FE0) | (x & 0x001F001F);
118 register uint16_t x = *((const uint16_t *)s);
119 *((uint16_t *)d) = ((x >> 1) & 0x7FE0) | (x & 0x001F);
123 static inline void rgb32to16_c(const uint8_t *src, uint8_t *dst, int src_size)
125 uint16_t *d = (uint16_t *)dst;
126 const uint8_t *s = src;
127 const uint8_t *end = s + src_size;
130 register int rgb = *(const uint32_t *)s;
132 *d++ = ((rgb & 0xFF) >> 3) +
133 ((rgb & 0xFC00) >> 5) +
134 ((rgb & 0xF80000) >> 8);
138 static inline void rgb32tobgr16_c(const uint8_t *src, uint8_t *dst,
141 uint16_t *d = (uint16_t *)dst;
142 const uint8_t *s = src;
143 const uint8_t *end = s + src_size;
146 register int rgb = *(const uint32_t *)s;
148 *d++ = ((rgb & 0xF8) << 8) +
149 ((rgb & 0xFC00) >> 5) +
150 ((rgb & 0xF80000) >> 19);
154 static inline void rgb32to15_c(const uint8_t *src, uint8_t *dst, int src_size)
156 uint16_t *d = (uint16_t *)dst;
157 const uint8_t *s = src;
158 const uint8_t *end = s + src_size;
161 register int rgb = *(const uint32_t *)s;
163 *d++ = ((rgb & 0xFF) >> 3) +
164 ((rgb & 0xF800) >> 6) +
165 ((rgb & 0xF80000) >> 9);
169 static inline void rgb32tobgr15_c(const uint8_t *src, uint8_t *dst,
172 uint16_t *d = (uint16_t *)dst;
173 const uint8_t *s = src;
174 const uint8_t *end = s + src_size;
177 register int rgb = *(const uint32_t *)s;
179 *d++ = ((rgb & 0xF8) << 7) +
180 ((rgb & 0xF800) >> 6) +
181 ((rgb & 0xF80000) >> 19);
185 static inline void rgb24tobgr16_c(const uint8_t *src, uint8_t *dst,
188 uint16_t *d = (uint16_t *)dst;
189 const uint8_t *s = src;
190 const uint8_t *end = s + src_size;
196 *d++ = (b >> 3) | ((g & 0xFC) << 3) | ((r & 0xF8) << 8);
200 static inline void rgb24to16_c(const uint8_t *src, uint8_t *dst, int src_size)
202 uint16_t *d = (uint16_t *)dst;
203 const uint8_t *s = src;
204 const uint8_t *end = s + src_size;
210 *d++ = (b >> 3) | ((g & 0xFC) << 3) | ((r & 0xF8) << 8);
214 static inline void rgb24tobgr15_c(const uint8_t *src, uint8_t *dst,
217 uint16_t *d = (uint16_t *)dst;
218 const uint8_t *s = src;
219 const uint8_t *end = s + src_size;
225 *d++ = (b >> 3) | ((g & 0xF8) << 2) | ((r & 0xF8) << 7);
229 static inline void rgb24to15_c(const uint8_t *src, uint8_t *dst, int src_size)
231 uint16_t *d = (uint16_t *)dst;
232 const uint8_t *s = src;
233 const uint8_t *end = s + src_size;
239 *d++ = (b >> 3) | ((g & 0xF8) << 2) | ((r & 0xF8) << 7);
243 static inline void rgb15tobgr24_c(const uint8_t *src, uint8_t *dst,
247 const uint16_t *s = (const uint16_t *)src;
248 const uint16_t *end = s + src_size / 2;
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);
258 static inline void rgb16tobgr24_c(const uint8_t *src, uint8_t *dst,
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;
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);
273 static inline void rgb15to32_c(const uint8_t *src, uint8_t *dst, int src_size)
276 const uint16_t *s = (const uint16_t *)src;
277 const uint16_t *end = s + src_size / 2;
280 register uint16_t bgr = *s++;
283 *d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
284 *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7);
285 *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
287 *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
288 *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7);
289 *d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
295 static inline void rgb16to32_c(const uint8_t *src, uint8_t *dst, int src_size)
298 const uint16_t *s = (const uint16_t *)src;
299 const uint16_t *end = s + src_size / 2;
302 register uint16_t bgr = *s++;
305 *d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13);
306 *d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9);
307 *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
309 *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
310 *d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9);
311 *d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13);
317 static inline void shuffle_bytes_2103_c(const uint8_t *src, uint8_t *dst,
320 int idx = 15 - src_size;
321 const uint8_t *s = src - idx;
322 uint8_t *d = dst - idx;
324 for (; idx < 15; idx += 4) {
325 register unsigned v = *(const uint32_t *)&s[idx], g = v & 0xff00ff00;
327 *(uint32_t *)&d[idx] = (v >> 16) + g + (v << 16);
331 static inline void shuffle_bytes_0321_c(const uint8_t *src, uint8_t *dst,
334 int idx = 15 - src_size;
335 const uint8_t *s = src - idx;
336 uint8_t *d = dst - idx;
338 for (; idx < 15; idx += 4) {
339 register unsigned v = *(const uint32_t *)&s[idx], g = v & 0x00ff00ff;
341 *(uint32_t *)&d[idx] = (v >> 16) + g + (v << 16);
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) \
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]; \
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)
365 static inline void rgb24tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
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];
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)
384 const int chromWidth = width >> 1;
386 for (y = 0; y < height; y++) {
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);
402 int *idst = (int32_t *)dst;
403 const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
405 for (i = 0; i < chromWidth; i++) {
407 *idst++ = (yc[0] << 24) + (uc[0] << 16) +
408 (yc[1] << 8) + (vc[0] << 0);
410 *idst++ = yc[0] + (uc[0] << 8) +
411 (yc[1] << 16) + (vc[0] << 24);
418 if ((y & (vertLumPerChroma - 1)) == vertLumPerChroma - 1) {
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.)
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)
436 //FIXME interpolate chroma
437 yuvPlanartoyuy2_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
438 chromStride, dstStride, 2);
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)
448 const int chromWidth = width >> 1;
450 for (y = 0; y < height; y++) {
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);
466 int *idst = (int32_t *)dst;
467 const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
469 for (i = 0; i < chromWidth; i++) {
471 *idst++ = (uc[0] << 24) + (yc[0] << 16) +
472 (vc[0] << 8) + (yc[1] << 0);
474 *idst++ = uc[0] + (yc[0] << 8) +
475 (vc[0] << 16) + (yc[1] << 24);
482 if ((y & (vertLumPerChroma - 1)) == vertLumPerChroma - 1) {
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.)
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)
500 //FIXME interpolate chroma
501 yuvPlanartouyvy_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
502 chromStride, dstStride, 2);
506 * Width should be a multiple of 16.
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)
513 yuvPlanartouyvy_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
514 chromStride, dstStride, 1);
518 * Width should be a multiple of 16.
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)
525 yuvPlanartoyuy2_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
526 chromStride, dstStride, 1);
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.)
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)
539 const int chromWidth = width >> 1;
541 for (y = 0; y < height; y += 2) {
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];
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];
563 static inline void planar2x_c(const uint8_t *src, uint8_t *dst, int srcWidth,
564 int srcHeight, int srcStride, int dstStride)
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;
575 dst[2 * srcWidth - 1] = src[srcWidth - 1];
579 for (y = 1; y < srcHeight; y++) {
580 const int mmxSize = 1;
582 dst[0] = (src[0] * 3 + src[srcStride]) >> 2;
583 dst[dstStride] = (src[0] + 3 * src[srcStride]) >> 2;
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;
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;
594 dst += dstStride * 2;
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;
605 dst[2 * srcWidth - 1] = src[srcWidth - 1];
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.
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)
620 const int chromWidth = width >> 1;
622 for (y = 0; y < height; y += 2) {
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];
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];
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.
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)
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];
659 const int chromWidth = width >> 1;
661 for (y = 0; y < height; y += 2) {
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];
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;
680 Y = ((ry * r + gy * g + by * b) >> RGB2YUV_SHIFT) + 16;
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];
694 unsigned int Y = ((ry * r + gy * g + by * b) >> RGB2YUV_SHIFT) + 16;
702 Y = ((ry * r + gy * g + by * b) >> RGB2YUV_SHIFT) + 16;
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)
718 for (h = 0; h < height; h++) {
720 for (w = 0; w < width; w++) {
721 dest[2 * w + 0] = src1[w];
722 dest[2 * w + 1] = src2[w];
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)
736 for (h = 0; h < height; h++) {
738 for (w = 0; w < width; w++) {
739 dst1[w] = src[2 * w + 0];
740 dst2[w] = src[2 * w + 1];
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)
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];
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];
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)
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];
801 static void extract_even_c(const uint8_t *src, uint8_t *dst, int count)
807 dst[count] = src[2 * count];
812 static void extract_even2_c(const uint8_t *src, uint8_t *dst0, uint8_t *dst1,
820 dst0[count] = src[4 * count + 0];
821 dst1[count] = src[4 * count + 2];
826 static void extract_even2avg_c(const uint8_t *src0, const uint8_t *src1,
827 uint8_t *dst0, uint8_t *dst1, int count)
835 dst0[count] = (src0[4 * count + 0] + src1[4 * count + 0]) >> 1;
836 dst1[count] = (src0[4 * count + 2] + src1[4 * count + 2]) >> 1;
841 static void extract_odd2_c(const uint8_t *src, uint8_t *dst0, uint8_t *dst1,
850 dst0[count] = src[4 * count + 0];
851 dst1[count] = src[4 * count + 2];
856 static void extract_odd2avg_c(const uint8_t *src0, const uint8_t *src1,
857 uint8_t *dst0, uint8_t *dst1, int count)
867 dst0[count] = (src0[4 * count + 0] + src1[4 * count + 0]) >> 1;
868 dst1[count] = (src0[4 * count + 2] + src1[4 * count + 2]) >> 1;
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)
878 const int chromWidth = AV_CEIL_RSHIFT(width, 1);
880 for (y = 0; y < height; y++) {
881 extract_even_c(src, ydst, width);
883 extract_odd2avg_c(src - srcStride, src, udst, vdst, chromWidth);
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)
898 const int chromWidth = AV_CEIL_RSHIFT(width, 1);
900 for (y = 0; y < height; y++) {
901 extract_even_c(src, ydst, width);
902 extract_odd2_c(src, udst, vdst, chromWidth);
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)
916 const int chromWidth = AV_CEIL_RSHIFT(width, 1);
918 for (y = 0; y < height; y++) {
919 extract_even_c(src + 1, ydst, width);
921 extract_even2avg_c(src - srcStride, src, udst, vdst, chromWidth);
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)
936 const int chromWidth = AV_CEIL_RSHIFT(width, 1);
938 for (y = 0; y < height; y++) {
939 extract_even_c(src + 1, ydst, width);
940 extract_even2_c(src, udst, vdst, chromWidth);
949 static av_cold void rgb2rgb_init_c(void)
951 rgb15to16 = rgb15to16_c;
952 rgb15tobgr24 = rgb15tobgr24_c;
953 rgb15to32 = rgb15to32_c;
954 rgb16tobgr24 = rgb16tobgr24_c;
955 rgb16to32 = rgb16to32_c;
956 rgb16to15 = rgb16to15_c;
957 rgb24tobgr16 = rgb24tobgr16_c;
958 rgb24tobgr15 = rgb24tobgr15_c;
959 rgb24tobgr32 = rgb24tobgr32_c;
960 rgb32to16 = rgb32to16_c;
961 rgb32to15 = rgb32to15_c;
962 rgb32tobgr24 = rgb32tobgr24_c;
963 rgb24to15 = rgb24to15_c;
964 rgb24to16 = rgb24to16_c;
965 rgb24tobgr24 = rgb24tobgr24_c;
967 shuffle_bytes_0321 = shuffle_bytes_2103_c;
968 shuffle_bytes_2103 = shuffle_bytes_0321_c;
970 shuffle_bytes_0321 = shuffle_bytes_0321_c;
971 shuffle_bytes_2103 = shuffle_bytes_2103_c;
972 shuffle_bytes_1230 = shuffle_bytes_1230_c;
973 shuffle_bytes_3012 = shuffle_bytes_3012_c;
974 shuffle_bytes_3210 = shuffle_bytes_3210_c;
976 rgb32tobgr16 = rgb32tobgr16_c;
977 rgb32tobgr15 = rgb32tobgr15_c;
978 yv12toyuy2 = yv12toyuy2_c;
979 yv12touyvy = yv12touyvy_c;
980 yuv422ptoyuy2 = yuv422ptoyuy2_c;
981 yuv422ptouyvy = yuv422ptouyvy_c;
982 yuy2toyv12 = yuy2toyv12_c;
983 planar2x = planar2x_c;
984 ff_rgb24toyv12 = ff_rgb24toyv12_c;
985 interleaveBytes = interleaveBytes_c;
986 deinterleaveBytes = deinterleaveBytes_c;
987 vu9_to_vu12 = vu9_to_vu12_c;
988 yvu9_to_yuy2 = yvu9_to_yuy2_c;
990 uyvytoyuv420 = uyvytoyuv420_c;
991 uyvytoyuv422 = uyvytoyuv422_c;
992 yuyvtoyuv420 = yuyvtoyuv420_c;
993 yuyvtoyuv422 = yuyvtoyuv422_c;