FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libswscale/rgb2rgb.c
Date: 2024-05-03 15:42:48
Exec Total Coverage
Lines: 38 117 32.5%
Functions: 5 23 21.7%
Branches: 8 44 18.2%
Line Branch Exec Source
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 FFmpeg.
10 *
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.
15 *
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.
20 *
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
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_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);
59
60
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,
85 int32_t *rgb2yuv);
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);
116
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))
126
127 //plain C versions
128 #include "rgb2rgb_template.c"
129
130 /*
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
135 */
136
137 3397 av_cold void ff_sws_rgb2rgb_init(void)
138 {
139 3397 rgb2rgb_init_c();
140 #if ARCH_AARCH64
141 rgb2rgb_init_aarch64();
142 #elif ARCH_RISCV
143 rgb2rgb_init_riscv();
144 #elif ARCH_X86
145 3397 rgb2rgb_init_x86();
146 #elif ARCH_LOONGARCH64
147 rgb2rgb_init_loongarch();
148 #endif
149 3397 }
150
151 50860 void rgb32to24(const uint8_t *src, uint8_t *dst, int src_size)
152 {
153 50860 int i, num_pixels = src_size >> 2;
154
155
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 116855584 for (i = 0; i < num_pixels; i++) {
156 #if HAVE_BIGENDIAN
157 /* RGB32 (= A,B,G,R) -> BGR24 (= B,G,R) */
158 dst[3 * i + 0] = src[4 * i + 1];
159 dst[3 * i + 1] = src[4 * i + 2];
160 dst[3 * i + 2] = src[4 * i + 3];
161 #else
162 116804724 dst[3 * i + 0] = src[4 * i + 2];
163 116804724 dst[3 * i + 1] = src[4 * i + 1];
164 116804724 dst[3 * i + 2] = src[4 * i + 0];
165 #endif
166 }
167 50860 }
168
169 72 void rgb24to32(const uint8_t *src, uint8_t *dst, int src_size)
170 {
171 int i;
172
173
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 354816 for (i = 0; 3 * i < src_size; i++) {
174 #if HAVE_BIGENDIAN
175 /* RGB24 (= R, G, B) -> BGR32 (= A, R, G, B) */
176 dst[4 * i + 0] = 255;
177 dst[4 * i + 1] = src[3 * i + 0];
178 dst[4 * i + 2] = src[3 * i + 1];
179 dst[4 * i + 3] = src[3 * i + 2];
180 #else
181 354744 dst[4 * i + 0] = src[3 * i + 2];
182 354744 dst[4 * i + 1] = src[3 * i + 1];
183 354744 dst[4 * i + 2] = src[3 * i + 0];
184 354744 dst[4 * i + 3] = 255;
185 #endif
186 }
187 72 }
188
189 ✗ void rgb16tobgr32(const uint8_t *src, uint8_t *dst, int src_size)
190 {
191 ✗ uint8_t *d = dst;
192 ✗ const uint16_t *s = (const uint16_t *)src;
193 ✗ const uint16_t *end = s + src_size / 2;
194
195 ✗ while (s < end) {
196 ✗ register uint16_t bgr = *s++;
197 #if HAVE_BIGENDIAN
198 *d++ = 255;
199 *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
200 *d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9);
201 *d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13);
202 #else
203 ✗ *d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13);
204 ✗ *d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9);
205 ✗ *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
206 ✗ *d++ = 255;
207 #endif
208 }
209 ✗ }
210
211 ✗ void rgb12to15(const uint8_t *src, uint8_t *dst, int src_size)
212 {
213 uint16_t rgb, r, g, b;
214 ✗ uint16_t *d = (uint16_t *)dst;
215 ✗ const uint16_t *s = (const uint16_t *)src;
216 ✗ const uint16_t *end = s + src_size / 2;
217
218 ✗ while (s < end) {
219 ✗ rgb = *s++;
220 ✗ r = rgb & 0xF00;
221 ✗ g = rgb & 0x0F0;
222 ✗ b = rgb & 0x00F;
223 ✗ r = (r << 3) | ((r & 0x800) >> 1);
224 ✗ g = (g << 2) | ((g & 0x080) >> 2);
225 ✗ b = (b << 1) | ( b >> 3);
226 ✗ *d++ = r | g | b;
227 }
228 ✗ }
229
230 1710 void rgb16to24(const uint8_t *src, uint8_t *dst, int src_size)
231 {
232 1710 uint8_t *d = dst;
233 1710 const uint16_t *s = (const uint16_t *)src;
234 1710 const uint16_t *end = s + src_size / 2;
235
236
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 19457710 while (s < end) {
237 19456000 register uint16_t bgr = *s++;
238 19456000 *d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13);
239 19456000 *d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9);
240 19456000 *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
241 }
242 1710 }
243
244 ✗ void rgb16tobgr16(const uint8_t *src, uint8_t *dst, int src_size)
245 {
246 ✗ int i, num_pixels = src_size >> 1;
247
248 ✗ for (i = 0; i < num_pixels; i++) {
249 ✗ unsigned rgb = ((const uint16_t *)src)[i];
250 ✗ ((uint16_t *)dst)[i] = (rgb >> 11) | (rgb & 0x7E0) | (rgb << 11);
251 }
252 ✗ }
253
254 ✗ void rgb16tobgr15(const uint8_t *src, uint8_t *dst, int src_size)
255 {
256 ✗ int i, num_pixels = src_size >> 1;
257
258 ✗ for (i = 0; i < num_pixels; i++) {
259 ✗ unsigned rgb = ((const uint16_t *)src)[i];
260 ✗ ((uint16_t *)dst)[i] = (rgb >> 11) | ((rgb & 0x7C0) >> 1) | ((rgb & 0x1F) << 10);
261 }
262 ✗ }
263
264 ✗ void rgb15tobgr32(const uint8_t *src, uint8_t *dst, int src_size)
265 {
266 ✗ uint8_t *d = dst;
267 ✗ const uint16_t *s = (const uint16_t *)src;
268 ✗ const uint16_t *end = s + src_size / 2;
269
270 ✗ while (s < end) {
271 ✗ register uint16_t bgr = *s++;
272 #if HAVE_BIGENDIAN
273 *d++ = 255;
274 *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
275 *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7);
276 *d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
277 #else
278 ✗ *d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
279 ✗ *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7);
280 ✗ *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
281 ✗ *d++ = 255;
282 #endif
283 }
284 ✗ }
285
286 122200 void rgb15to24(const uint8_t *src, uint8_t *dst, int src_size)
287 {
288 122200 uint8_t *d = dst;
289 122200 const uint16_t *s = (const uint16_t *)src;
290 122200 const uint16_t *end = s + src_size / 2;
291
292
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 121668920 while (s < end) {
293 121546720 register uint16_t bgr = *s++;
294 121546720 *d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
295 121546720 *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7);
296 121546720 *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
297 }
298 122200 }
299
300 ✗ void rgb15tobgr16(const uint8_t *src, uint8_t *dst, int src_size)
301 {
302 ✗ int i, num_pixels = src_size >> 1;
303
304 ✗ for (i = 0; i < num_pixels; i++) {
305 ✗ unsigned rgb = ((const uint16_t *)src)[i];
306 ✗ ((uint16_t *)dst)[i] = ((rgb & 0x7C00) >> 10) | ((rgb & 0x3E0) << 1) | (rgb << 11);
307 }
308 ✗ }
309
310 ✗ void rgb15tobgr15(const uint8_t *src, uint8_t *dst, int src_size)
311 {
312 ✗ int i, num_pixels = src_size >> 1;
313
314 ✗ for (i = 0; i < num_pixels; i++) {
315 ✗ unsigned rgb = ((const uint16_t *)src)[i];
316 ✗ unsigned br = rgb & 0x7C1F;
317 ✗ ((uint16_t *)dst)[i] = (br >> 10) | (rgb & 0x3E0) | (br << 10);
318 }
319 ✗ }
320
321 ✗ void rgb12tobgr12(const uint8_t *src, uint8_t *dst, int src_size)
322 {
323 ✗ uint16_t *d = (uint16_t *)dst;
324 ✗ const uint16_t *s = (const uint16_t *)src;
325 ✗ int i, num_pixels = src_size >> 1;
326
327 ✗ for (i = 0; i < num_pixels; i++) {
328 ✗ unsigned rgb = s[i];
329 ✗ d[i] = (rgb << 8 | rgb & 0xF0 | rgb >> 8) & 0xFFF;
330 }
331 ✗ }
332
333 #define DEFINE_RGB48TOBGR48(need_bswap, swap) \
334 void rgb48tobgr48_ ## need_bswap(const uint8_t *src, \
335 uint8_t *dst, int src_size) \
336 { \
337 uint16_t *d = (uint16_t *)dst; \
338 const uint16_t *s = (const uint16_t *)src; \
339 int i, num_pixels = src_size >> 1; \
340 \
341 for (i = 0; i < num_pixels; i += 3) { \
342 d[i ] = swap ? av_bswap16(s[i + 2]) : s[i + 2]; \
343 d[i + 1] = swap ? av_bswap16(s[i + 1]) : s[i + 1]; \
344 d[i + 2] = swap ? av_bswap16(s[i ]) : s[i ]; \
345 } \
346 }
347
348 ✗ DEFINE_RGB48TOBGR48(nobswap, 0)
349 ✗ DEFINE_RGB48TOBGR48(bswap, 1)
350
351 #define DEFINE_RGB64TOBGR48(need_bswap, swap) \
352 void rgb64tobgr48_ ## need_bswap(const uint8_t *src, \
353 uint8_t *dst, int src_size) \
354 { \
355 uint16_t *d = (uint16_t *)dst; \
356 const uint16_t *s = (const uint16_t *)src; \
357 int i, num_pixels = src_size >> 3; \
358 \
359 for (i = 0; i < num_pixels; i++) { \
360 d[3 * i ] = swap ? av_bswap16(s[4 * i + 2]) : s[4 * i + 2]; \
361 d[3 * i + 1] = swap ? av_bswap16(s[4 * i + 1]) : s[4 * i + 1]; \
362 d[3 * i + 2] = swap ? av_bswap16(s[4 * i ]) : s[4 * i ]; \
363 } \
364 }
365
366 ✗ DEFINE_RGB64TOBGR48(nobswap, 0)
367 ✗ DEFINE_RGB64TOBGR48(bswap, 1)
368
369 #define DEFINE_RGB64TO48(need_bswap, swap) \
370 void rgb64to48_ ## need_bswap(const uint8_t *src, \
371 uint8_t *dst, int src_size) \
372 { \
373 uint16_t *d = (uint16_t *)dst; \
374 const uint16_t *s = (const uint16_t *)src; \
375 int i, num_pixels = src_size >> 3; \
376 \
377 for (i = 0; i < num_pixels; i++) { \
378 d[3 * i ] = swap ? av_bswap16(s[4 * i ]) : s[4 * i ]; \
379 d[3 * i + 1] = swap ? av_bswap16(s[4 * i + 1]) : s[4 * i + 1]; \
380 d[3 * i + 2] = swap ? av_bswap16(s[4 * i + 2]) : s[4 * i + 2]; \
381 } \
382 }
383
384 ✗ DEFINE_RGB64TO48(nobswap, 0)
385 ✗ DEFINE_RGB64TO48(bswap, 1)
386
387 #define DEFINE_RGB48TOBGR64(need_bswap, swap) \
388 void rgb48tobgr64_ ## need_bswap(const uint8_t *src, \
389 uint8_t *dst, int src_size) \
390 { \
391 uint16_t *d = (uint16_t *)dst; \
392 const uint16_t *s = (const uint16_t *)src; \
393 int i, num_pixels = src_size / 6; \
394 \
395 for (i = 0; i < num_pixels; i++) { \
396 d[4 * i ] = swap ? av_bswap16(s[3 * i + 2]) : s[3 * i + 2]; \
397 d[4 * i + 1] = swap ? av_bswap16(s[3 * i + 1]) : s[3 * i + 1]; \
398 d[4 * i + 2] = swap ? av_bswap16(s[3 * i ]) : s[3 * i ]; \
399 d[4 * i + 3] = 0xFFFF; \
400 } \
401 }
402
403 ✗ DEFINE_RGB48TOBGR64(nobswap, 0)
404 ✗ DEFINE_RGB48TOBGR64(bswap, 1)
405
406 #define DEFINE_RGB48TO64(need_bswap, swap) \
407 void rgb48to64_ ## need_bswap(const uint8_t *src, \
408 uint8_t *dst, int src_size) \
409 { \
410 uint16_t *d = (uint16_t *)dst; \
411 const uint16_t *s = (const uint16_t *)src; \
412 int i, num_pixels = src_size / 6; \
413 \
414 for (i = 0; i < num_pixels; i++) { \
415 d[4 * i ] = swap ? av_bswap16(s[3 * i ]) : s[3 * i ]; \
416 d[4 * i + 1] = swap ? av_bswap16(s[3 * i + 1]) : s[3 * i + 1]; \
417 d[4 * i + 2] = swap ? av_bswap16(s[3 * i + 2]) : s[3 * i + 2]; \
418 d[4 * i + 3] = 0xFFFF; \
419 } \
420 }
421
422 ✗ DEFINE_RGB48TO64(nobswap, 0)
423 ✗ DEFINE_RGB48TO64(bswap, 1)
424