hevc: Add names for reserved NAL unit types
[libav.git] / libswscale / rgb2rgb.c
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 *
9 * This file is part of Libav.
10 *
11 * Libav 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.
15 *
16 * Libav 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.
20 *
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with Libav; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 */
25
26 #include <inttypes.h>
27
28 #include "libavutil/attributes.h"
29 #include "libavutil/bswap.h"
30 #include "config.h"
31 #include "rgb2rgb.h"
32 #include "swscale.h"
33 #include "swscale_internal.h"
34
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);
44
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);
53
54 void (*shuffle_bytes_2103)(const uint8_t *src, uint8_t *dst, int src_size);
55
56 void (*yv12toyuy2)(const uint8_t *ysrc, const uint8_t *usrc,
57 const uint8_t *vsrc, uint8_t *dst,
58 int width, int height,
59 int lumStride, int chromStride, int dstStride);
60 void (*yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc,
61 const uint8_t *vsrc, uint8_t *dst,
62 int width, int height,
63 int lumStride, int chromStride, int dstStride);
64 void (*yuv422ptoyuy2)(const uint8_t *ysrc, const uint8_t *usrc,
65 const uint8_t *vsrc, uint8_t *dst,
66 int width, int height,
67 int lumStride, int chromStride, int dstStride);
68 void (*yuv422ptouyvy)(const uint8_t *ysrc, const uint8_t *usrc,
69 const uint8_t *vsrc, uint8_t *dst,
70 int width, int height,
71 int lumStride, int chromStride, int dstStride);
72 void (*yuy2toyv12)(const uint8_t *src, uint8_t *ydst,
73 uint8_t *udst, uint8_t *vdst,
74 int width, int height,
75 int lumStride, int chromStride, int srcStride);
76 void (*rgb24toyv12)(const uint8_t *src, uint8_t *ydst,
77 uint8_t *udst, uint8_t *vdst,
78 int width, int height,
79 int lumStride, int chromStride, int srcStride);
80 void (*planar2x)(const uint8_t *src, uint8_t *dst, int width, int height,
81 int srcStride, int dstStride);
82 void (*interleaveBytes)(const uint8_t *src1, const uint8_t *src2, uint8_t *dst,
83 int width, int height, int src1Stride,
84 int src2Stride, int dstStride);
85 void (*deinterleaveBytes)(const uint8_t *src, uint8_t *dst1, uint8_t *dst2,
86 int width, int height, int srcStride,
87 int dst1Stride, int dst2Stride);
88 void (*vu9_to_vu12)(const uint8_t *src1, const uint8_t *src2,
89 uint8_t *dst1, uint8_t *dst2,
90 int width, int height,
91 int srcStride1, int srcStride2,
92 int dstStride1, int dstStride2);
93 void (*yvu9_to_yuy2)(const uint8_t *src1, const uint8_t *src2,
94 const uint8_t *src3, uint8_t *dst,
95 int width, int height,
96 int srcStride1, int srcStride2,
97 int srcStride3, int dstStride);
98 void (*uyvytoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
99 const uint8_t *src, int width, int height,
100 int lumStride, int chromStride, int srcStride);
101 void (*uyvytoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
102 const uint8_t *src, int width, int height,
103 int lumStride, int chromStride, int srcStride);
104 void (*yuyvtoyuv420)(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 (*yuyvtoyuv422)(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
111 #define RGB2YUV_SHIFT 8
112 #define BY ((int)( 0.098 * (1 << RGB2YUV_SHIFT) + 0.5))
113 #define BV ((int)(-0.071 * (1 << RGB2YUV_SHIFT) + 0.5))
114 #define BU ((int)( 0.439 * (1 << RGB2YUV_SHIFT) + 0.5))
115 #define GY ((int)( 0.504 * (1 << RGB2YUV_SHIFT) + 0.5))
116 #define GV ((int)(-0.368 * (1 << RGB2YUV_SHIFT) + 0.5))
117 #define GU ((int)(-0.291 * (1 << RGB2YUV_SHIFT) + 0.5))
118 #define RY ((int)( 0.257 * (1 << RGB2YUV_SHIFT) + 0.5))
119 #define RV ((int)( 0.439 * (1 << RGB2YUV_SHIFT) + 0.5))
120 #define RU ((int)(-0.148 * (1 << RGB2YUV_SHIFT) + 0.5))
121
122 //plain C versions
123 #include "rgb2rgb_template.c"
124
125 /*
126 * RGB15->RGB16 original by Strepto/Astral
127 * ported to gcc & bugfixed : A'rpi
128 * MMXEXT, 3DNOW optimization by Nick Kurshev
129 * 32-bit C version, and and&add trick by Michael Niedermayer
130 */
131
132 av_cold void ff_rgb2rgb_init(void)
133 {
134 rgb2rgb_init_c();
135 if (ARCH_X86)
136 ff_rgb2rgb_init_x86();
137 }
138
139 void rgb32to24(const uint8_t *src, uint8_t *dst, int src_size)
140 {
141 int i, num_pixels = src_size >> 2;
142
143 for (i = 0; i < num_pixels; i++) {
144 #if HAVE_BIGENDIAN
145 /* RGB32 (= A,B,G,R) -> BGR24 (= B,G,R) */
146 dst[3 * i + 0] = src[4 * i + 1];
147 dst[3 * i + 1] = src[4 * i + 2];
148 dst[3 * i + 2] = src[4 * i + 3];
149 #else
150 dst[3 * i + 0] = src[4 * i + 2];
151 dst[3 * i + 1] = src[4 * i + 1];
152 dst[3 * i + 2] = src[4 * i + 0];
153 #endif
154 }
155 }
156
157 void rgb24to32(const uint8_t *src, uint8_t *dst, int src_size)
158 {
159 int i;
160
161 for (i = 0; 3 * i < src_size; i++) {
162 #if HAVE_BIGENDIAN
163 /* RGB24 (= R, G, B) -> BGR32 (= A, R, G, B) */
164 dst[4 * i + 0] = 255;
165 dst[4 * i + 1] = src[3 * i + 0];
166 dst[4 * i + 2] = src[3 * i + 1];
167 dst[4 * i + 3] = src[3 * i + 2];
168 #else
169 dst[4 * i + 0] = src[3 * i + 2];
170 dst[4 * i + 1] = src[3 * i + 1];
171 dst[4 * i + 2] = src[3 * i + 0];
172 dst[4 * i + 3] = 255;
173 #endif
174 }
175 }
176
177 void rgb16tobgr32(const uint8_t *src, uint8_t *dst, int src_size)
178 {
179 uint8_t *d = dst;
180 const uint16_t *s = (const uint16_t *)src;
181 const uint16_t *end = s + src_size / 2;
182
183 while (s < end) {
184 register uint16_t bgr = *s++;
185 #if HAVE_BIGENDIAN
186 *d++ = 255;
187 *d++ = (bgr & 0x1F) << 3;
188 *d++ = (bgr & 0x7E0) >> 3;
189 *d++ = (bgr & 0xF800) >> 8;
190 #else
191 *d++ = (bgr & 0xF800) >> 8;
192 *d++ = (bgr & 0x7E0) >> 3;
193 *d++ = (bgr & 0x1F) << 3;
194 *d++ = 255;
195 #endif
196 }
197 }
198
199 void rgb12to15(const uint8_t *src, uint8_t *dst, int src_size)
200 {
201 uint16_t rgb, r, g, b;
202 uint16_t *d = (uint16_t *)dst;
203 const uint16_t *s = (const uint16_t *)src;
204 const uint16_t *end = s + src_size / 2;
205
206 while (s < end) {
207 rgb = *s++;
208 r = rgb & 0xF00;
209 g = rgb & 0x0F0;
210 b = rgb & 0x00F;
211 r = (r << 3) | ((r & 0x800) >> 1);
212 g = (g << 2) | ((g & 0x080) >> 2);
213 b = (b << 1) | ( b >> 3);
214 *d++ = r | g | b;
215 }
216 }
217
218 void rgb16to24(const uint8_t *src, uint8_t *dst, int src_size)
219 {
220 uint8_t *d = dst;
221 const uint16_t *s = (const uint16_t *)src;
222 const uint16_t *end = s + src_size / 2;
223
224 while (s < end) {
225 register uint16_t bgr = *s++;
226 *d++ = (bgr & 0xF800) >> 8;
227 *d++ = (bgr & 0x7E0) >> 3;
228 *d++ = (bgr & 0x1F) << 3;
229 }
230 }
231
232 void rgb16tobgr16(const uint8_t *src, uint8_t *dst, int src_size)
233 {
234 int i, num_pixels = src_size >> 1;
235
236 for (i = 0; i < num_pixels; i++) {
237 unsigned rgb = ((const uint16_t *)src)[i];
238 ((uint16_t *)dst)[i] = (rgb >> 11) | (rgb & 0x7E0) | (rgb << 11);
239 }
240 }
241
242 void rgb16tobgr15(const uint8_t *src, uint8_t *dst, int src_size)
243 {
244 int i, num_pixels = src_size >> 1;
245
246 for (i = 0; i < num_pixels; i++) {
247 unsigned rgb = ((const uint16_t *)src)[i];
248 ((uint16_t *)dst)[i] = (rgb >> 11) | ((rgb & 0x7C0) >> 1) | ((rgb & 0x1F) << 10);
249 }
250 }
251
252 void rgb15tobgr32(const uint8_t *src, uint8_t *dst, int src_size)
253 {
254 uint8_t *d = dst;
255 const uint16_t *s = (const uint16_t *)src;
256 const uint16_t *end = s + src_size / 2;
257
258 while (s < end) {
259 register uint16_t bgr = *s++;
260 #if HAVE_BIGENDIAN
261 *d++ = 255;
262 *d++ = (bgr & 0x1F) << 3;
263 *d++ = (bgr & 0x3E0) >> 2;
264 *d++ = (bgr & 0x7C00) >> 7;
265 #else
266 *d++ = (bgr & 0x7C00) >> 7;
267 *d++ = (bgr & 0x3E0) >> 2;
268 *d++ = (bgr & 0x1F) << 3;
269 *d++ = 255;
270 #endif
271 }
272 }
273
274 void rgb15to24(const uint8_t *src, uint8_t *dst, int src_size)
275 {
276 uint8_t *d = dst;
277 const uint16_t *s = (const uint16_t *)src;
278 const uint16_t *end = s + src_size / 2;
279
280 while (s < end) {
281 register uint16_t bgr = *s++;
282 *d++ = (bgr & 0x7C00) >> 7;
283 *d++ = (bgr & 0x3E0) >> 2;
284 *d++ = (bgr & 0x1F) << 3;
285 }
286 }
287
288 void rgb15tobgr16(const uint8_t *src, uint8_t *dst, int src_size)
289 {
290 int i, num_pixels = src_size >> 1;
291
292 for (i = 0; i < num_pixels; i++) {
293 unsigned rgb = ((const uint16_t *)src)[i];
294 ((uint16_t *)dst)[i] = ((rgb & 0x7C00) >> 10) | ((rgb & 0x3E0) << 1) | (rgb << 11);
295 }
296 }
297
298 void rgb15tobgr15(const uint8_t *src, uint8_t *dst, int src_size)
299 {
300 int i, num_pixels = src_size >> 1;
301
302 for (i = 0; i < num_pixels; i++) {
303 unsigned rgb = ((const uint16_t *)src)[i];
304 unsigned br = rgb & 0x7C1F;
305 ((uint16_t *)dst)[i] = (br >> 10) | (rgb & 0x3E0) | (br << 10);
306 }
307 }
308
309 void rgb12tobgr12(const uint8_t *src, uint8_t *dst, int src_size)
310 {
311 uint16_t *d = (uint16_t *)dst;
312 uint16_t *s = (uint16_t *)src;
313 int i, num_pixels = src_size >> 1;
314
315 for (i = 0; i < num_pixels; i++) {
316 unsigned rgb = s[i];
317 d[i] = (rgb << 8 | rgb & 0xF0 | rgb >> 8) & 0xFFF;
318 }
319 }
320
321 void bgr8torgb8(const uint8_t *src, uint8_t *dst, int src_size)
322 {
323 int i, num_pixels = src_size;
324
325 for (i = 0; i < num_pixels; i++) {
326 register uint8_t rgb = src[i];
327 unsigned r = (rgb & 0x07);
328 unsigned g = (rgb & 0x38) >> 3;
329 unsigned b = (rgb & 0xC0) >> 6;
330 dst[i] = ((b << 1) & 0x07) | ((g & 0x07) << 3) | ((r & 0x03) << 6);
331 }
332 }
333
334 #define DEFINE_SHUFFLE_BYTES(a, b, c, d) \
335 void shuffle_bytes_ ## a ## b ## c ## d(const uint8_t *src, \
336 uint8_t *dst, int src_size) \
337 { \
338 int i; \
339 \
340 for (i = 0; i < src_size; i += 4) { \
341 dst[i + 0] = src[i + a]; \
342 dst[i + 1] = src[i + b]; \
343 dst[i + 2] = src[i + c]; \
344 dst[i + 3] = src[i + d]; \
345 } \
346 }
347
348 DEFINE_SHUFFLE_BYTES(0, 3, 2, 1)
349 DEFINE_SHUFFLE_BYTES(1, 2, 3, 0)
350 DEFINE_SHUFFLE_BYTES(3, 0, 1, 2)
351 DEFINE_SHUFFLE_BYTES(3, 2, 1, 0)