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)
9 * This file is part of FFmpeg.
11 * FFmpeg is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
16 * FFmpeg is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with FFmpeg; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
28 #include "libavutil/attributes.h"
29 #include "libavutil/bswap.h"
33 #include "swscale_internal.h"
35 void (*rgb32tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
36 void (*rgb32tobgr16)(const uint8_t *src, uint8_t *dst, int src_size);
37 void (*rgb32tobgr15)(const uint8_t *src, uint8_t *dst, int src_size);
38 void (*rgb24tobgr32)(const uint8_t *src, uint8_t *dst, int src_size);
39 void (*rgb24tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
40 void (*rgb24tobgr16)(const uint8_t *src, uint8_t *dst, int src_size);
41 void (*rgb24tobgr15)(const uint8_t *src, uint8_t *dst, int src_size);
42 void (*rgb16tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
43 void (*rgb15tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
45 void (*rgb32to16)(const uint8_t *src, uint8_t *dst, int src_size);
46 void (*rgb32to15)(const uint8_t *src, uint8_t *dst, int src_size);
47 void (*rgb24to16)(const uint8_t *src, uint8_t *dst, int src_size);
48 void (*rgb24to15)(const uint8_t *src, uint8_t *dst, int src_size);
49 void (*rgb16to32)(const uint8_t *src, uint8_t *dst, int src_size);
50 void (*rgb16to15)(const uint8_t *src, uint8_t *dst, int src_size);
51 void (*rgb15to16)(const uint8_t *src, uint8_t *dst, int src_size);
52 void (*rgb15to32)(const uint8_t *src, uint8_t *dst, int src_size);
54 void (*shuffle_bytes_0321)(const uint8_t *src, uint8_t *dst, int src_size);
55 void (*shuffle_bytes_2103)(const uint8_t *src, uint8_t *dst, int src_size);
56 void (*shuffle_bytes_1230)(const uint8_t *src, uint8_t *dst, int src_size);
57 void (*shuffle_bytes_3012)(const uint8_t *src, uint8_t *dst, int src_size);
58 void (*shuffle_bytes_3210)(const uint8_t *src, uint8_t *dst, int src_size);
61 void (*yv12toyuy2)(const uint8_t *ysrc, const uint8_t *usrc,
62 const uint8_t *vsrc, uint8_t *dst,
63 int width, int height,
64 int lumStride, int chromStride, int dstStride);
65 void (*yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc,
66 const uint8_t *vsrc, uint8_t *dst,
67 int width, int height,
68 int lumStride, int chromStride, int dstStride);
69 void (*yuv422ptoyuy2)(const uint8_t *ysrc, const uint8_t *usrc,
70 const uint8_t *vsrc, uint8_t *dst,
71 int width, int height,
72 int lumStride, int chromStride, int dstStride);
73 void (*yuv422ptouyvy)(const uint8_t *ysrc, const uint8_t *usrc,
74 const uint8_t *vsrc, uint8_t *dst,
75 int width, int height,
76 int lumStride, int chromStride, int dstStride);
77 void (*yuy2toyv12)(const uint8_t *src, uint8_t *ydst,
78 uint8_t *udst, uint8_t *vdst,
79 int width, int height,
80 int lumStride, int chromStride, int srcStride);
81 void (*ff_rgb24toyv12)(const uint8_t *src, uint8_t *ydst,
82 uint8_t *udst, uint8_t *vdst,
83 int width, int height,
84 int lumStride, int chromStride, int srcStride,
86 void (*planar2x)(const uint8_t *src, uint8_t *dst, int width, int height,
87 int srcStride, int dstStride);
88 void (*interleaveBytes)(const uint8_t *src1, const uint8_t *src2, uint8_t *dst,
89 int width, int height, int src1Stride,
90 int src2Stride, int dstStride);
91 void (*deinterleaveBytes)(const uint8_t *src, uint8_t *dst1, uint8_t *dst2,
92 int width, int height, int srcStride,
93 int dst1Stride, int dst2Stride);
94 void (*vu9_to_vu12)(const uint8_t *src1, const uint8_t *src2,
95 uint8_t *dst1, uint8_t *dst2,
96 int width, int height,
97 int srcStride1, int srcStride2,
98 int dstStride1, int dstStride2);
99 void (*yvu9_to_yuy2)(const uint8_t *src1, const uint8_t *src2,
100 const uint8_t *src3, uint8_t *dst,
101 int width, int height,
102 int srcStride1, int srcStride2,
103 int srcStride3, int dstStride);
104 void (*uyvytoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
105 const uint8_t *src, int width, int height,
106 int lumStride, int chromStride, int srcStride);
107 void (*uyvytoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
108 const uint8_t *src, int width, int height,
109 int lumStride, int chromStride, int srcStride);
110 void (*yuyvtoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
111 const uint8_t *src, int width, int height,
112 int lumStride, int chromStride, int srcStride);
113 void (*yuyvtoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
114 const uint8_t *src, int width, int height,
115 int lumStride, int chromStride, int srcStride);
117 #define BY ((int)( 0.098 * (1 << RGB2YUV_SHIFT) + 0.5))
118 #define BV ((int)(-0.071 * (1 << RGB2YUV_SHIFT) + 0.5))
119 #define BU ((int)( 0.439 * (1 << RGB2YUV_SHIFT) + 0.5))
120 #define GY ((int)( 0.504 * (1 << RGB2YUV_SHIFT) + 0.5))
121 #define GV ((int)(-0.368 * (1 << RGB2YUV_SHIFT) + 0.5))
122 #define GU ((int)(-0.291 * (1 << RGB2YUV_SHIFT) + 0.5))
123 #define RY ((int)( 0.257 * (1 << RGB2YUV_SHIFT) + 0.5))
124 #define RV ((int)( 0.439 * (1 << RGB2YUV_SHIFT) + 0.5))
125 #define RU ((int)(-0.148 * (1 << RGB2YUV_SHIFT) + 0.5))
128 #include "rgb2rgb_template.c"
131 * RGB15->RGB16 original by Strepto/Astral
132 * ported to gcc & bugfixed : A'rpi
133 * MMXEXT, 3DNOW optimization by Nick Kurshev
134 * 32-bit C version, and and&add trick by Michael Niedermayer
137 av_cold void ff_sws_rgb2rgb_init(void)
144 void rgb32to24(const uint8_t *src, uint8_t *dst, int src_size)
146 int i, num_pixels = src_size >> 2;
148 for (i = 0; i < num_pixels; i++) {
150 /* RGB32 (= A,B,G,R) -> BGR24 (= B,G,R) */
151 dst[3 * i + 0] = src[4 * i + 1];
152 dst[3 * i + 1] = src[4 * i + 2];
153 dst[3 * i + 2] = src[4 * i + 3];
155 dst[3 * i + 0] = src[4 * i + 2];
156 dst[3 * i + 1] = src[4 * i + 1];
157 dst[3 * i + 2] = src[4 * i + 0];
162 void rgb24to32(const uint8_t *src, uint8_t *dst, int src_size)
166 for (i = 0; 3 * i < src_size; i++) {
168 /* RGB24 (= R, G, B) -> BGR32 (= A, R, G, B) */
169 dst[4 * i + 0] = 255;
170 dst[4 * i + 1] = src[3 * i + 0];
171 dst[4 * i + 2] = src[3 * i + 1];
172 dst[4 * i + 3] = src[3 * i + 2];
174 dst[4 * i + 0] = src[3 * i + 2];
175 dst[4 * i + 1] = src[3 * i + 1];
176 dst[4 * i + 2] = src[3 * i + 0];
177 dst[4 * i + 3] = 255;
182 void rgb16tobgr32(const uint8_t *src, uint8_t *dst, int src_size)
185 const uint16_t *s = (const uint16_t *)src;
186 const uint16_t *end = s + src_size / 2;
189 register uint16_t bgr = *s++;
192 *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
193 *d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9);
194 *d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13);
196 *d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13);
197 *d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9);
198 *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
204 void rgb12to15(const uint8_t *src, uint8_t *dst, int src_size)
206 uint16_t rgb, r, g, b;
207 uint16_t *d = (uint16_t *)dst;
208 const uint16_t *s = (const uint16_t *)src;
209 const uint16_t *end = s + src_size / 2;
216 r = (r << 3) | ((r & 0x800) >> 1);
217 g = (g << 2) | ((g & 0x080) >> 2);
218 b = (b << 1) | ( b >> 3);
223 void rgb16to24(const uint8_t *src, uint8_t *dst, int src_size)
226 const uint16_t *s = (const uint16_t *)src;
227 const uint16_t *end = s + src_size / 2;
230 register uint16_t bgr = *s++;
231 *d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13);
232 *d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9);
233 *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
237 void rgb16tobgr16(const uint8_t *src, uint8_t *dst, int src_size)
239 int i, num_pixels = src_size >> 1;
241 for (i = 0; i < num_pixels; i++) {
242 unsigned rgb = ((const uint16_t *)src)[i];
243 ((uint16_t *)dst)[i] = (rgb >> 11) | (rgb & 0x7E0) | (rgb << 11);
247 void rgb16tobgr15(const uint8_t *src, uint8_t *dst, int src_size)
249 int i, num_pixels = src_size >> 1;
251 for (i = 0; i < num_pixels; i++) {
252 unsigned rgb = ((const uint16_t *)src)[i];
253 ((uint16_t *)dst)[i] = (rgb >> 11) | ((rgb & 0x7C0) >> 1) | ((rgb & 0x1F) << 10);
257 void rgb15tobgr32(const uint8_t *src, uint8_t *dst, int src_size)
260 const uint16_t *s = (const uint16_t *)src;
261 const uint16_t *end = s + src_size / 2;
264 register uint16_t bgr = *s++;
267 *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
268 *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7);
269 *d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
271 *d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
272 *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7);
273 *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
279 void rgb15to24(const uint8_t *src, uint8_t *dst, int src_size)
282 const uint16_t *s = (const uint16_t *)src;
283 const uint16_t *end = s + src_size / 2;
286 register uint16_t bgr = *s++;
287 *d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
288 *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7);
289 *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
293 void rgb15tobgr16(const uint8_t *src, uint8_t *dst, int src_size)
295 int i, num_pixels = src_size >> 1;
297 for (i = 0; i < num_pixels; i++) {
298 unsigned rgb = ((const uint16_t *)src)[i];
299 ((uint16_t *)dst)[i] = ((rgb & 0x7C00) >> 10) | ((rgb & 0x3E0) << 1) | (rgb << 11);
303 void rgb15tobgr15(const uint8_t *src, uint8_t *dst, int src_size)
305 int i, num_pixels = src_size >> 1;
307 for (i = 0; i < num_pixels; i++) {
308 unsigned rgb = ((const uint16_t *)src)[i];
309 unsigned br = rgb & 0x7C1F;
310 ((uint16_t *)dst)[i] = (br >> 10) | (rgb & 0x3E0) | (br << 10);
314 void rgb12tobgr12(const uint8_t *src, uint8_t *dst, int src_size)
316 uint16_t *d = (uint16_t *)dst;
317 uint16_t *s = (uint16_t *)src;
318 int i, num_pixels = src_size >> 1;
320 for (i = 0; i < num_pixels; i++) {
322 d[i] = (rgb << 8 | rgb & 0xF0 | rgb >> 8) & 0xFFF;
326 #define DEFINE_RGB48TOBGR48(need_bswap, swap) \
327 void rgb48tobgr48_ ## need_bswap(const uint8_t *src, \
328 uint8_t *dst, int src_size) \
330 uint16_t *d = (uint16_t *)dst; \
331 uint16_t *s = (uint16_t *)src; \
332 int i, num_pixels = src_size >> 1; \
334 for (i = 0; i < num_pixels; i += 3) { \
335 d[i ] = swap ? av_bswap16(s[i + 2]) : s[i + 2]; \
336 d[i + 1] = swap ? av_bswap16(s[i + 1]) : s[i + 1]; \
337 d[i + 2] = swap ? av_bswap16(s[i ]) : s[i ]; \
341 DEFINE_RGB48TOBGR48(nobswap, 0)
342 DEFINE_RGB48TOBGR48(bswap, 1)
344 #define DEFINE_RGB64TOBGR48(need_bswap, swap) \
345 void rgb64tobgr48_ ## need_bswap(const uint8_t *src, \
346 uint8_t *dst, int src_size) \
348 uint16_t *d = (uint16_t *)dst; \
349 uint16_t *s = (uint16_t *)src; \
350 int i, num_pixels = src_size >> 3; \
352 for (i = 0; i < num_pixels; i++) { \
353 d[3 * i ] = swap ? av_bswap16(s[4 * i + 2]) : s[4 * i + 2]; \
354 d[3 * i + 1] = swap ? av_bswap16(s[4 * i + 1]) : s[4 * i + 1]; \
355 d[3 * i + 2] = swap ? av_bswap16(s[4 * i ]) : s[4 * i ]; \
359 DEFINE_RGB64TOBGR48(nobswap, 0)
360 DEFINE_RGB64TOBGR48(bswap, 1)
362 #define DEFINE_RGB64TO48(need_bswap, swap) \
363 void rgb64to48_ ## need_bswap(const uint8_t *src, \
364 uint8_t *dst, int src_size) \
366 uint16_t *d = (uint16_t *)dst; \
367 uint16_t *s = (uint16_t *)src; \
368 int i, num_pixels = src_size >> 3; \
370 for (i = 0; i < num_pixels; i++) { \
371 d[3 * i ] = swap ? av_bswap16(s[4 * i ]) : s[4 * i ]; \
372 d[3 * i + 1] = swap ? av_bswap16(s[4 * i + 1]) : s[4 * i + 1]; \
373 d[3 * i + 2] = swap ? av_bswap16(s[4 * i + 2]) : s[4 * i + 2]; \
377 DEFINE_RGB64TO48(nobswap, 0)
378 DEFINE_RGB64TO48(bswap, 1)
380 #define DEFINE_RGB48TOBGR64(need_bswap, swap) \
381 void rgb48tobgr64_ ## need_bswap(const uint8_t *src, \
382 uint8_t *dst, int src_size) \
384 uint16_t *d = (uint16_t *)dst; \
385 uint16_t *s = (uint16_t *)src; \
386 int i, num_pixels = src_size / 6; \
388 for (i = 0; i < num_pixels; i++) { \
389 d[4 * i ] = swap ? av_bswap16(s[3 * i + 2]) : s[3 * i + 2]; \
390 d[4 * i + 1] = swap ? av_bswap16(s[3 * i + 1]) : s[3 * i + 1]; \
391 d[4 * i + 2] = swap ? av_bswap16(s[3 * i ]) : s[3 * i ]; \
392 d[4 * i + 3] = 0xFFFF; \
396 DEFINE_RGB48TOBGR64(nobswap, 0)
397 DEFINE_RGB48TOBGR64(bswap, 1)
399 #define DEFINE_RGB48TO64(need_bswap, swap) \
400 void rgb48to64_ ## need_bswap(const uint8_t *src, \
401 uint8_t *dst, int src_size) \
403 uint16_t *d = (uint16_t *)dst; \
404 uint16_t *s = (uint16_t *)src; \
405 int i, num_pixels = src_size / 6; \
407 for (i = 0; i < num_pixels; i++) { \
408 d[4 * i ] = swap ? av_bswap16(s[3 * i ]) : s[3 * i ]; \
409 d[4 * i + 1] = swap ? av_bswap16(s[3 * i + 1]) : s[3 * i + 1]; \
410 d[4 * i + 2] = swap ? av_bswap16(s[3 * i + 2]) : s[3 * i + 2]; \
411 d[4 * i + 3] = 0xFFFF; \
415 DEFINE_RGB48TO64(nobswap, 0)
416 DEFINE_RGB48TO64(bswap, 1)