swscale: Check memory allocations
[libav.git] / libswscale / input.c
1 /*
2 * Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
3 *
4 * This file is part of Libav.
5 *
6 * Libav is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * Libav is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with Libav; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #include <assert.h>
22 #include <math.h>
23 #include <stdint.h>
24 #include <stdio.h>
25 #include <string.h>
26
27 #include "libavutil/avutil.h"
28 #include "libavutil/bswap.h"
29 #include "libavutil/cpu.h"
30 #include "libavutil/intreadwrite.h"
31 #include "libavutil/mathematics.h"
32 #include "libavutil/pixdesc.h"
33 #include "config.h"
34 #include "rgb2rgb.h"
35 #include "swscale.h"
36 #include "swscale_internal.h"
37
38 #define RGB2YUV_SHIFT 15
39 #define BY ((int)(0.114 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
40 #define BV (-(int)(0.081 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
41 #define BU ((int)(0.500 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
42 #define GY ((int)(0.587 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
43 #define GV (-(int)(0.419 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
44 #define GU (-(int)(0.331 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
45 #define RY ((int)(0.299 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
46 #define RV ((int)(0.500 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
47 #define RU (-(int)(0.169 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5))
48
49 #define input_pixel(pos) (isBE(origin) ? AV_RB16(pos) : AV_RL16(pos))
50
51 #define r ((origin == AV_PIX_FMT_BGR48BE || origin == AV_PIX_FMT_BGR48LE) ? b_r : r_b)
52 #define b ((origin == AV_PIX_FMT_BGR48BE || origin == AV_PIX_FMT_BGR48LE) ? r_b : b_r)
53
54 static av_always_inline void rgb48ToY_c_template(uint16_t *dst,
55 const uint16_t *src, int width,
56 enum AVPixelFormat origin)
57 {
58 int i;
59 for (i = 0; i < width; i++) {
60 unsigned int r_b = input_pixel(&src[i * 3 + 0]);
61 unsigned int g = input_pixel(&src[i * 3 + 1]);
62 unsigned int b_r = input_pixel(&src[i * 3 + 2]);
63
64 dst[i] = (RY * r + GY * g + BY * b + (0x2001 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
65 }
66 }
67
68 static av_always_inline void rgb48ToUV_c_template(uint16_t *dstU,
69 uint16_t *dstV,
70 const uint16_t *src1,
71 const uint16_t *src2,
72 int width,
73 enum AVPixelFormat origin)
74 {
75 int i;
76 assert(src1 == src2);
77 for (i = 0; i < width; i++) {
78 int r_b = input_pixel(&src1[i * 3 + 0]);
79 int g = input_pixel(&src1[i * 3 + 1]);
80 int b_r = input_pixel(&src1[i * 3 + 2]);
81
82 dstU[i] = (RU * r + GU * g + BU * b + (0x10001 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
83 dstV[i] = (RV * r + GV * g + BV * b + (0x10001 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
84 }
85 }
86
87 static av_always_inline void rgb48ToUV_half_c_template(uint16_t *dstU,
88 uint16_t *dstV,
89 const uint16_t *src1,
90 const uint16_t *src2,
91 int width,
92 enum AVPixelFormat origin)
93 {
94 int i;
95 assert(src1 == src2);
96 for (i = 0; i < width; i++) {
97 int r_b = (input_pixel(&src1[6 * i + 0]) +
98 input_pixel(&src1[6 * i + 3]) + 1) >> 1;
99 int g = (input_pixel(&src1[6 * i + 1]) +
100 input_pixel(&src1[6 * i + 4]) + 1) >> 1;
101 int b_r = (input_pixel(&src1[6 * i + 2]) +
102 input_pixel(&src1[6 * i + 5]) + 1) >> 1;
103
104 dstU[i] = (RU * r + GU * g + BU * b + (0x10001 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
105 dstV[i] = (RV * r + GV * g + BV * b + (0x10001 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
106 }
107 }
108
109 #undef r
110 #undef b
111 #undef input_pixel
112
113 #define rgb48funcs(pattern, BE_LE, origin) \
114 static void pattern ## 48 ## BE_LE ## ToY_c(uint8_t *_dst, \
115 const uint8_t *_src, \
116 int width, \
117 uint32_t *unused) \
118 { \
119 const uint16_t *src = (const uint16_t *)_src; \
120 uint16_t *dst = (uint16_t *)_dst; \
121 rgb48ToY_c_template(dst, src, width, origin); \
122 } \
123 \
124 static void pattern ## 48 ## BE_LE ## ToUV_c(uint8_t *_dstU, \
125 uint8_t *_dstV, \
126 const uint8_t *_src1, \
127 const uint8_t *_src2, \
128 int width, \
129 uint32_t *unused) \
130 { \
131 const uint16_t *src1 = (const uint16_t *)_src1, \
132 *src2 = (const uint16_t *)_src2; \
133 uint16_t *dstU = (uint16_t *)_dstU, \
134 *dstV = (uint16_t *)_dstV; \
135 rgb48ToUV_c_template(dstU, dstV, src1, src2, width, origin); \
136 } \
137 \
138 static void pattern ## 48 ## BE_LE ## ToUV_half_c(uint8_t *_dstU, \
139 uint8_t *_dstV, \
140 const uint8_t *_src1, \
141 const uint8_t *_src2, \
142 int width, \
143 uint32_t *unused) \
144 { \
145 const uint16_t *src1 = (const uint16_t *)_src1, \
146 *src2 = (const uint16_t *)_src2; \
147 uint16_t *dstU = (uint16_t *)_dstU, \
148 *dstV = (uint16_t *)_dstV; \
149 rgb48ToUV_half_c_template(dstU, dstV, src1, src2, width, origin); \
150 }
151
152 rgb48funcs(rgb, LE, AV_PIX_FMT_RGB48LE)
153 rgb48funcs(rgb, BE, AV_PIX_FMT_RGB48BE)
154 rgb48funcs(bgr, LE, AV_PIX_FMT_BGR48LE)
155 rgb48funcs(bgr, BE, AV_PIX_FMT_BGR48BE)
156
157 #define input_pixel(i) ((origin == AV_PIX_FMT_RGBA || \
158 origin == AV_PIX_FMT_BGRA || \
159 origin == AV_PIX_FMT_ARGB || \
160 origin == AV_PIX_FMT_ABGR) \
161 ? AV_RN32A(&src[(i) * 4]) \
162 : (isBE(origin) ? AV_RB16(&src[(i) * 2]) \
163 : AV_RL16(&src[(i) * 2])))
164
165 static av_always_inline void rgb16_32ToY_c_template(uint8_t *dst,
166 const uint8_t *src,
167 int width,
168 enum AVPixelFormat origin,
169 int shr, int shg,
170 int shb, int shp,
171 int maskr, int maskg,
172 int maskb, int rsh,
173 int gsh, int bsh, int S)
174 {
175 const int ry = RY << rsh, gy = GY << gsh, by = BY << bsh;
176 const unsigned rnd = 33u << (S - 1);
177 int i;
178
179 for (i = 0; i < width; i++) {
180 int px = input_pixel(i) >> shp;
181 int b = (px & maskb) >> shb;
182 int g = (px & maskg) >> shg;
183 int r = (px & maskr) >> shr;
184
185 dst[i] = (ry * r + gy * g + by * b + rnd) >> S;
186 }
187 }
188
189 static av_always_inline void rgb16_32ToUV_c_template(uint8_t *dstU,
190 uint8_t *dstV,
191 const uint8_t *src,
192 int width,
193 enum AVPixelFormat origin,
194 int shr, int shg,
195 int shb, int shp,
196 int maskr, int maskg,
197 int maskb, int rsh,
198 int gsh, int bsh, int S)
199 {
200 const int ru = RU << rsh, gu = GU << gsh, bu = BU << bsh,
201 rv = RV << rsh, gv = GV << gsh, bv = BV << bsh;
202 const unsigned rnd = 257u << (S - 1);
203 int i;
204
205 for (i = 0; i < width; i++) {
206 int px = input_pixel(i) >> shp;
207 int b = (px & maskb) >> shb;
208 int g = (px & maskg) >> shg;
209 int r = (px & maskr) >> shr;
210
211 dstU[i] = (ru * r + gu * g + bu * b + rnd) >> S;
212 dstV[i] = (rv * r + gv * g + bv * b + rnd) >> S;
213 }
214 }
215
216 static av_always_inline void rgb16_32ToUV_half_c_template(uint8_t *dstU,
217 uint8_t *dstV,
218 const uint8_t *src,
219 int width,
220 enum AVPixelFormat origin,
221 int shr, int shg,
222 int shb, int shp,
223 int maskr, int maskg,
224 int maskb, int rsh,
225 int gsh, int bsh, int S)
226 {
227 const int ru = RU << rsh, gu = GU << gsh, bu = BU << bsh,
228 rv = RV << rsh, gv = GV << gsh, bv = BV << bsh,
229 maskgx = ~(maskr | maskb);
230 const unsigned rnd = 257u << S;
231 int i;
232
233 maskr |= maskr << 1;
234 maskb |= maskb << 1;
235 maskg |= maskg << 1;
236 for (i = 0; i < width; i++) {
237 int px0 = input_pixel(2 * i + 0) >> shp;
238 int px1 = input_pixel(2 * i + 1) >> shp;
239 int b, r, g = (px0 & maskgx) + (px1 & maskgx);
240 int rb = px0 + px1 - g;
241
242 b = (rb & maskb) >> shb;
243 if (shp ||
244 origin == AV_PIX_FMT_BGR565LE || origin == AV_PIX_FMT_BGR565BE ||
245 origin == AV_PIX_FMT_RGB565LE || origin == AV_PIX_FMT_RGB565BE) {
246 g >>= shg;
247 } else {
248 g = (g & maskg) >> shg;
249 }
250 r = (rb & maskr) >> shr;
251
252 dstU[i] = (ru * r + gu * g + bu * b + rnd) >> (S + 1);
253 dstV[i] = (rv * r + gv * g + bv * b + rnd) >> (S + 1);
254 }
255 }
256
257 #undef input_pixel
258
259 #define rgb16_32_wrapper(fmt, name, shr, shg, shb, shp, maskr, \
260 maskg, maskb, rsh, gsh, bsh, S) \
261 static void name ## ToY_c(uint8_t *dst, const uint8_t *src, \
262 int width, uint32_t *unused) \
263 { \
264 rgb16_32ToY_c_template(dst, src, width, fmt, shr, shg, shb, shp, \
265 maskr, maskg, maskb, rsh, gsh, bsh, S); \
266 } \
267 \
268 static void name ## ToUV_c(uint8_t *dstU, uint8_t *dstV, \
269 const uint8_t *src, const uint8_t *dummy, \
270 int width, uint32_t *unused) \
271 { \
272 rgb16_32ToUV_c_template(dstU, dstV, src, width, fmt, \
273 shr, shg, shb, shp, \
274 maskr, maskg, maskb, rsh, gsh, bsh, S); \
275 } \
276 \
277 static void name ## ToUV_half_c(uint8_t *dstU, uint8_t *dstV, \
278 const uint8_t *src, \
279 const uint8_t *dummy, \
280 int width, uint32_t *unused) \
281 { \
282 rgb16_32ToUV_half_c_template(dstU, dstV, src, width, fmt, \
283 shr, shg, shb, shp, \
284 maskr, maskg, maskb, \
285 rsh, gsh, bsh, S); \
286 }
287
288 rgb16_32_wrapper(AV_PIX_FMT_BGR32, bgr32, 16, 0, 0, 0, 0xFF0000, 0xFF00, 0x00FF, 8, 0, 8, RGB2YUV_SHIFT + 8)
289 rgb16_32_wrapper(AV_PIX_FMT_BGR32_1, bgr321, 16, 0, 0, 8, 0xFF0000, 0xFF00, 0x00FF, 8, 0, 8, RGB2YUV_SHIFT + 8)
290 rgb16_32_wrapper(AV_PIX_FMT_RGB32, rgb32, 0, 0, 16, 0, 0x00FF, 0xFF00, 0xFF0000, 8, 0, 8, RGB2YUV_SHIFT + 8)
291 rgb16_32_wrapper(AV_PIX_FMT_RGB32_1, rgb321, 0, 0, 16, 8, 0x00FF, 0xFF00, 0xFF0000, 8, 0, 8, RGB2YUV_SHIFT + 8)
292 rgb16_32_wrapper(AV_PIX_FMT_BGR565LE, bgr16le, 0, 0, 0, 0, 0x001F, 0x07E0, 0xF800, 11, 5, 0, RGB2YUV_SHIFT + 8)
293 rgb16_32_wrapper(AV_PIX_FMT_BGR555LE, bgr15le, 0, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, 10, 5, 0, RGB2YUV_SHIFT + 7)
294 rgb16_32_wrapper(AV_PIX_FMT_BGR444LE, bgr12le, 0, 0, 0, 0, 0x000F, 0x00F0, 0x0F00, 8, 4, 0, RGB2YUV_SHIFT + 4)
295 rgb16_32_wrapper(AV_PIX_FMT_RGB565LE, rgb16le, 0, 0, 0, 0, 0xF800, 0x07E0, 0x001F, 0, 5, 11, RGB2YUV_SHIFT + 8)
296 rgb16_32_wrapper(AV_PIX_FMT_RGB555LE, rgb15le, 0, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, 0, 5, 10, RGB2YUV_SHIFT + 7)
297 rgb16_32_wrapper(AV_PIX_FMT_RGB444LE, rgb12le, 0, 0, 0, 0, 0x0F00, 0x00F0, 0x000F, 0, 4, 8, RGB2YUV_SHIFT + 4)
298 rgb16_32_wrapper(AV_PIX_FMT_BGR565BE, bgr16be, 0, 0, 0, 0, 0x001F, 0x07E0, 0xF800, 11, 5, 0, RGB2YUV_SHIFT + 8)
299 rgb16_32_wrapper(AV_PIX_FMT_BGR555BE, bgr15be, 0, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, 10, 5, 0, RGB2YUV_SHIFT + 7)
300 rgb16_32_wrapper(AV_PIX_FMT_BGR444BE, bgr12be, 0, 0, 0, 0, 0x000F, 0x00F0, 0x0F00, 8, 4, 0, RGB2YUV_SHIFT + 4)
301 rgb16_32_wrapper(AV_PIX_FMT_RGB565BE, rgb16be, 0, 0, 0, 0, 0xF800, 0x07E0, 0x001F, 0, 5, 11, RGB2YUV_SHIFT + 8)
302 rgb16_32_wrapper(AV_PIX_FMT_RGB555BE, rgb15be, 0, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, 0, 5, 10, RGB2YUV_SHIFT + 7)
303 rgb16_32_wrapper(AV_PIX_FMT_RGB444BE, rgb12be, 0, 0, 0, 0, 0x0F00, 0x00F0, 0x000F, 0, 4, 8, RGB2YUV_SHIFT + 4)
304
305 static void abgrToA_c(uint8_t *dst, const uint8_t *src, int width,
306 uint32_t *unused)
307 {
308 int i;
309 for (i = 0; i < width; i++)
310 dst[i] = src[4 * i];
311 }
312
313 static void rgbaToA_c(uint8_t *dst, const uint8_t *src, int width,
314 uint32_t *unused)
315 {
316 int i;
317 for (i = 0; i < width; i++)
318 dst[i] = src[4 * i + 3];
319 }
320
321 static void palToY_c(uint8_t *dst, const uint8_t *src, int width, uint32_t *pal)
322 {
323 int i;
324 for (i = 0; i < width; i++) {
325 int d = src[i];
326
327 dst[i] = pal[d] & 0xFF;
328 }
329 }
330
331 static void palToUV_c(uint8_t *dstU, uint8_t *dstV,
332 const uint8_t *src1, const uint8_t *src2,
333 int width, uint32_t *pal)
334 {
335 int i;
336 assert(src1 == src2);
337 for (i = 0; i < width; i++) {
338 int p = pal[src1[i]];
339
340 dstU[i] = p >> 8;
341 dstV[i] = p >> 16;
342 }
343 }
344
345 static void monowhite2Y_c(uint8_t *dst, const uint8_t *src,
346 int width, uint32_t *unused)
347 {
348 int i, j;
349 width = (width + 7) >> 3;
350 for (i = 0; i < width; i++) {
351 int d = ~src[i];
352 for (j = 0; j < 8; j++)
353 dst[8 * i + j] = ((d >> (7 - j)) & 1) * 255;
354 }
355 }
356
357 static void monoblack2Y_c(uint8_t *dst, const uint8_t *src,
358 int width, uint32_t *unused)
359 {
360 int i, j;
361 width = (width + 7) >> 3;
362 for (i = 0; i < width; i++) {
363 int d = src[i];
364 for (j = 0; j < 8; j++)
365 dst[8 * i + j] = ((d >> (7 - j)) & 1) * 255;
366 }
367 }
368
369 static void yuy2ToY_c(uint8_t *dst, const uint8_t *src, int width,
370 uint32_t *unused)
371 {
372 int i;
373 for (i = 0; i < width; i++)
374 dst[i] = src[2 * i];
375 }
376
377 static void yuy2ToUV_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1,
378 const uint8_t *src2, int width, uint32_t *unused)
379 {
380 int i;
381 for (i = 0; i < width; i++) {
382 dstU[i] = src1[4 * i + 1];
383 dstV[i] = src1[4 * i + 3];
384 }
385 assert(src1 == src2);
386 }
387
388 static void yvy2ToUV_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1,
389 const uint8_t *src2, int width, uint32_t *unused)
390 {
391 int i;
392 for (i = 0; i < width; i++) {
393 dstV[i] = src1[4 * i + 1];
394 dstU[i] = src1[4 * i + 3];
395 }
396 assert(src1 == src2);
397 }
398
399 static void bswap16Y_c(uint8_t *_dst, const uint8_t *_src, int width,
400 uint32_t *unused)
401 {
402 int i;
403 const uint16_t *src = (const uint16_t *)_src;
404 uint16_t *dst = (uint16_t *)_dst;
405 for (i = 0; i < width; i++)
406 dst[i] = av_bswap16(src[i]);
407 }
408
409 static void bswap16UV_c(uint8_t *_dstU, uint8_t *_dstV, const uint8_t *_src1,
410 const uint8_t *_src2, int width, uint32_t *unused)
411 {
412 int i;
413 const uint16_t *src1 = (const uint16_t *)_src1,
414 *src2 = (const uint16_t *)_src2;
415 uint16_t *dstU = (uint16_t *)_dstU, *dstV = (uint16_t *)_dstV;
416 for (i = 0; i < width; i++) {
417 dstU[i] = av_bswap16(src1[i]);
418 dstV[i] = av_bswap16(src2[i]);
419 }
420 }
421
422 static void read_ya16le_gray_c(uint8_t *dst, const uint8_t *src, int width,
423 uint32_t *unused)
424 {
425 int i;
426 for (i = 0; i < width; i++)
427 AV_WN16(dst + i * 2, AV_RL16(src + i * 4));
428 }
429
430 static void read_ya16le_alpha_c(uint8_t *dst, const uint8_t *src, int width,
431 uint32_t *unused)
432 {
433 int i;
434 for (i = 0; i < width; i++)
435 AV_WN16(dst + i * 2, AV_RL16(src + i * 4 + 2));
436 }
437
438 static void read_ya16be_gray_c(uint8_t *dst, const uint8_t *src, int width,
439 uint32_t *unused)
440 {
441 int i;
442 for (i = 0; i < width; i++)
443 AV_WN16(dst + i * 2, AV_RB16(src + i * 4));
444 }
445
446 static void read_ya16be_alpha_c(uint8_t *dst, const uint8_t *src, int width,
447 uint32_t *unused)
448 {
449 int i;
450 for (i = 0; i < width; i++)
451 AV_WN16(dst + i * 2, AV_RB16(src + i * 4 + 2));
452 }
453
454 /* This is almost identical to the previous, end exists only because
455 * yuy2ToY/UV)(dst, src + 1, ...) would have 100% unaligned accesses. */
456 static void uyvyToY_c(uint8_t *dst, const uint8_t *src, int width,
457 uint32_t *unused)
458 {
459 int i;
460 for (i = 0; i < width; i++)
461 dst[i] = src[2 * i + 1];
462 }
463
464 static void uyvyToUV_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1,
465 const uint8_t *src2, int width, uint32_t *unused)
466 {
467 int i;
468 for (i = 0; i < width; i++) {
469 dstU[i] = src1[4 * i + 0];
470 dstV[i] = src1[4 * i + 2];
471 }
472 assert(src1 == src2);
473 }
474
475 static av_always_inline void nvXXtoUV_c(uint8_t *dst1, uint8_t *dst2,
476 const uint8_t *src, int width)
477 {
478 int i;
479 for (i = 0; i < width; i++) {
480 dst1[i] = src[2 * i + 0];
481 dst2[i] = src[2 * i + 1];
482 }
483 }
484
485 static void nv12ToUV_c(uint8_t *dstU, uint8_t *dstV,
486 const uint8_t *src1, const uint8_t *src2,
487 int width, uint32_t *unused)
488 {
489 nvXXtoUV_c(dstU, dstV, src1, width);
490 }
491
492 static void nv21ToUV_c(uint8_t *dstU, uint8_t *dstV,
493 const uint8_t *src1, const uint8_t *src2,
494 int width, uint32_t *unused)
495 {
496 nvXXtoUV_c(dstV, dstU, src1, width);
497 }
498
499 #define input_pixel(pos) (isBE(origin) ? AV_RB16(pos) : AV_RL16(pos))
500
501 static void bgr24ToY_c(uint8_t *dst, const uint8_t *src,
502 int width, uint32_t *unused)
503 {
504 int i;
505 for (i = 0; i < width; i++) {
506 int b = src[i * 3 + 0];
507 int g = src[i * 3 + 1];
508 int r = src[i * 3 + 2];
509
510 dst[i] = ((RY * r + GY * g + BY * b + (33 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT);
511 }
512 }
513
514 static void bgr24ToUV_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1,
515 const uint8_t *src2, int width, uint32_t *unused)
516 {
517 int i;
518 for (i = 0; i < width; i++) {
519 int b = src1[3 * i + 0];
520 int g = src1[3 * i + 1];
521 int r = src1[3 * i + 2];
522
523 dstU[i] = (RU * r + GU * g + BU * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
524 dstV[i] = (RV * r + GV * g + BV * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
525 }
526 assert(src1 == src2);
527 }
528
529 static void bgr24ToUV_half_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1,
530 const uint8_t *src2, int width, uint32_t *unused)
531 {
532 int i;
533 for (i = 0; i < width; i++) {
534 int b = src1[6 * i + 0] + src1[6 * i + 3];
535 int g = src1[6 * i + 1] + src1[6 * i + 4];
536 int r = src1[6 * i + 2] + src1[6 * i + 5];
537
538 dstU[i] = (RU * r + GU * g + BU * b + (257 << RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT + 1);
539 dstV[i] = (RV * r + GV * g + BV * b + (257 << RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT + 1);
540 }
541 assert(src1 == src2);
542 }
543
544 static void rgb24ToY_c(uint8_t *dst, const uint8_t *src, int width,
545 uint32_t *unused)
546 {
547 int i;
548 for (i = 0; i < width; i++) {
549 int r = src[i * 3 + 0];
550 int g = src[i * 3 + 1];
551 int b = src[i * 3 + 2];
552
553 dst[i] = ((RY * r + GY * g + BY * b + (33 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT);
554 }
555 }
556
557 static void rgb24ToUV_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1,
558 const uint8_t *src2, int width, uint32_t *unused)
559 {
560 int i;
561 assert(src1 == src2);
562 for (i = 0; i < width; i++) {
563 int r = src1[3 * i + 0];
564 int g = src1[3 * i + 1];
565 int b = src1[3 * i + 2];
566
567 dstU[i] = (RU * r + GU * g + BU * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
568 dstV[i] = (RV * r + GV * g + BV * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
569 }
570 }
571
572 static void rgb24ToUV_half_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1,
573 const uint8_t *src2, int width, uint32_t *unused)
574 {
575 int i;
576 assert(src1 == src2);
577 for (i = 0; i < width; i++) {
578 int r = src1[6 * i + 0] + src1[6 * i + 3];
579 int g = src1[6 * i + 1] + src1[6 * i + 4];
580 int b = src1[6 * i + 2] + src1[6 * i + 5];
581
582 dstU[i] = (RU * r + GU * g + BU * b + (257 << RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT + 1);
583 dstV[i] = (RV * r + GV * g + BV * b + (257 << RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT + 1);
584 }
585 }
586
587 static void planar_rgb_to_y(uint8_t *dst, const uint8_t *src[4], int width)
588 {
589 int i;
590 for (i = 0; i < width; i++) {
591 int g = src[0][i];
592 int b = src[1][i];
593 int r = src[2][i];
594
595 dst[i] = ((RY * r + GY * g + BY * b + (33 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT);
596 }
597 }
598
599 static void planar_rgb_to_a(uint8_t *dst, const uint8_t *src[4], int width)
600 {
601 int i;
602 for (i = 0; i < width; i++)
603 dst[i] = src[3][i];
604 }
605
606 static void planar_rgb_to_uv(uint8_t *dstU, uint8_t *dstV, const uint8_t *src[4], int width)
607 {
608 int i;
609 for (i = 0; i < width; i++) {
610 int g = src[0][i];
611 int b = src[1][i];
612 int r = src[2][i];
613
614 dstU[i] = (RU * r + GU * g + BU * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
615 dstV[i] = (RV * r + GV * g + BV * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
616 }
617 }
618
619 #define rdpx(src) \
620 is_be ? AV_RB16(src) : AV_RL16(src)
621 static av_always_inline void planar_rgb16_to_y(uint8_t *_dst, const uint8_t *_src[4],
622 int width, int bpc, int is_be)
623 {
624 int i;
625 const uint16_t **src = (const uint16_t **)_src;
626 uint16_t *dst = (uint16_t *)_dst;
627 for (i = 0; i < width; i++) {
628 int g = rdpx(src[0] + i);
629 int b = rdpx(src[1] + i);
630 int r = rdpx(src[2] + i);
631
632 dst[i] = ((RY * r + GY * g + BY * b + (33 << (RGB2YUV_SHIFT + bpc - 9))) >> RGB2YUV_SHIFT);
633 }
634 }
635
636 static void planar_rgb9le_to_y(uint8_t *dst, const uint8_t *src[4], int w)
637 {
638 planar_rgb16_to_y(dst, src, w, 9, 0);
639 }
640
641 static void planar_rgb9be_to_y(uint8_t *dst, const uint8_t *src[4], int w)
642 {
643 planar_rgb16_to_y(dst, src, w, 9, 1);
644 }
645
646 static void planar_rgb10le_to_y(uint8_t *dst, const uint8_t *src[4], int w)
647 {
648 planar_rgb16_to_y(dst, src, w, 10, 0);
649 }
650
651 static void planar_rgb10be_to_y(uint8_t *dst, const uint8_t *src[4], int w)
652 {
653 planar_rgb16_to_y(dst, src, w, 10, 1);
654 }
655
656 static void planar_rgb16le_to_y(uint8_t *dst, const uint8_t *src[4], int w)
657 {
658 planar_rgb16_to_y(dst, src, w, 16, 0);
659 }
660
661 static void planar_rgb16be_to_y(uint8_t *dst, const uint8_t *src[4], int w)
662 {
663 planar_rgb16_to_y(dst, src, w, 16, 1);
664 }
665
666 static av_always_inline void planar_rgb16_to_uv(uint8_t *_dstU, uint8_t *_dstV,
667 const uint8_t *_src[4], int width,
668 int bpc, int is_be)
669 {
670 int i;
671 const uint16_t **src = (const uint16_t **)_src;
672 uint16_t *dstU = (uint16_t *)_dstU;
673 uint16_t *dstV = (uint16_t *)_dstV;
674 for (i = 0; i < width; i++) {
675 int g = rdpx(src[0] + i);
676 int b = rdpx(src[1] + i);
677 int r = rdpx(src[2] + i);
678
679 dstU[i] = (RU * r + GU * g + BU * b + (257 << (RGB2YUV_SHIFT + bpc - 9))) >> RGB2YUV_SHIFT;
680 dstV[i] = (RV * r + GV * g + BV * b + (257 << (RGB2YUV_SHIFT + bpc - 9))) >> RGB2YUV_SHIFT;
681 }
682 }
683 #undef rdpx
684
685 static void planar_rgb9le_to_uv(uint8_t *dstU, uint8_t *dstV,
686 const uint8_t *src[4], int w)
687 {
688 planar_rgb16_to_uv(dstU, dstV, src, w, 9, 0);
689 }
690
691 static void planar_rgb9be_to_uv(uint8_t *dstU, uint8_t *dstV,
692 const uint8_t *src[4], int w)
693 {
694 planar_rgb16_to_uv(dstU, dstV, src, w, 9, 1);
695 }
696
697 static void planar_rgb10le_to_uv(uint8_t *dstU, uint8_t *dstV,
698 const uint8_t *src[4], int w)
699 {
700 planar_rgb16_to_uv(dstU, dstV, src, w, 10, 0);
701 }
702
703 static void planar_rgb10be_to_uv(uint8_t *dstU, uint8_t *dstV,
704 const uint8_t *src[4], int w)
705 {
706 planar_rgb16_to_uv(dstU, dstV, src, w, 10, 1);
707 }
708
709 static void planar_rgb16le_to_uv(uint8_t *dstU, uint8_t *dstV,
710 const uint8_t *src[4], int w)
711 {
712 planar_rgb16_to_uv(dstU, dstV, src, w, 16, 0);
713 }
714
715 static void planar_rgb16be_to_uv(uint8_t *dstU, uint8_t *dstV,
716 const uint8_t *src[4], int w)
717 {
718 planar_rgb16_to_uv(dstU, dstV, src, w, 16, 1);
719 }
720
721 av_cold void ff_sws_init_input_funcs(SwsContext *c)
722 {
723 enum AVPixelFormat srcFormat = c->srcFormat;
724
725 c->chrToYV12 = NULL;
726 switch (srcFormat) {
727 case AV_PIX_FMT_YUYV422:
728 c->chrToYV12 = yuy2ToUV_c;
729 break;
730 case AV_PIX_FMT_YVYU422:
731 c->chrToYV12 = yvy2ToUV_c;
732 break;
733 case AV_PIX_FMT_UYVY422:
734 c->chrToYV12 = uyvyToUV_c;
735 break;
736 case AV_PIX_FMT_NV12:
737 c->chrToYV12 = nv12ToUV_c;
738 break;
739 case AV_PIX_FMT_NV21:
740 c->chrToYV12 = nv21ToUV_c;
741 break;
742 case AV_PIX_FMT_RGB8:
743 case AV_PIX_FMT_BGR8:
744 case AV_PIX_FMT_PAL8:
745 case AV_PIX_FMT_BGR4_BYTE:
746 case AV_PIX_FMT_RGB4_BYTE:
747 c->chrToYV12 = palToUV_c;
748 break;
749 case AV_PIX_FMT_GBRP9LE:
750 c->readChrPlanar = planar_rgb9le_to_uv;
751 break;
752 case AV_PIX_FMT_GBRP10LE:
753 c->readChrPlanar = planar_rgb10le_to_uv;
754 break;
755 case AV_PIX_FMT_GBRAP16LE:
756 case AV_PIX_FMT_GBRP16LE:
757 c->readChrPlanar = planar_rgb16le_to_uv;
758 break;
759 case AV_PIX_FMT_GBRP9BE:
760 c->readChrPlanar = planar_rgb9be_to_uv;
761 break;
762 case AV_PIX_FMT_GBRP10BE:
763 c->readChrPlanar = planar_rgb10be_to_uv;
764 break;
765 case AV_PIX_FMT_GBRAP16BE:
766 case AV_PIX_FMT_GBRP16BE:
767 c->readChrPlanar = planar_rgb16be_to_uv;
768 break;
769 case AV_PIX_FMT_GBRAP:
770 case AV_PIX_FMT_GBRP:
771 c->readChrPlanar = planar_rgb_to_uv;
772 break;
773 #if HAVE_BIGENDIAN
774 case AV_PIX_FMT_YUV444P9LE:
775 case AV_PIX_FMT_YUV422P9LE:
776 case AV_PIX_FMT_YUV420P9LE:
777 case AV_PIX_FMT_YUV422P10LE:
778 case AV_PIX_FMT_YUV444P10LE:
779 case AV_PIX_FMT_YUV420P10LE:
780 case AV_PIX_FMT_YUV420P16LE:
781 case AV_PIX_FMT_YUV422P16LE:
782 case AV_PIX_FMT_YUV444P16LE:
783 case AV_PIX_FMT_YUVA444P9LE:
784 case AV_PIX_FMT_YUVA422P9LE:
785 case AV_PIX_FMT_YUVA420P9LE:
786 case AV_PIX_FMT_YUVA422P10LE:
787 case AV_PIX_FMT_YUVA444P10LE:
788 case AV_PIX_FMT_YUVA420P10LE:
789 case AV_PIX_FMT_YUVA420P16LE:
790 case AV_PIX_FMT_YUVA422P16LE:
791 case AV_PIX_FMT_YUVA444P16LE:
792 c->chrToYV12 = bswap16UV_c;
793 break;
794 #else
795 case AV_PIX_FMT_YUV444P9BE:
796 case AV_PIX_FMT_YUV422P9BE:
797 case AV_PIX_FMT_YUV420P9BE:
798 case AV_PIX_FMT_YUV444P10BE:
799 case AV_PIX_FMT_YUV422P10BE:
800 case AV_PIX_FMT_YUV420P10BE:
801 case AV_PIX_FMT_YUV420P16BE:
802 case AV_PIX_FMT_YUV422P16BE:
803 case AV_PIX_FMT_YUV444P16BE:
804 case AV_PIX_FMT_YUVA444P9BE:
805 case AV_PIX_FMT_YUVA422P9BE:
806 case AV_PIX_FMT_YUVA420P9BE:
807 case AV_PIX_FMT_YUVA422P10BE:
808 case AV_PIX_FMT_YUVA444P10BE:
809 case AV_PIX_FMT_YUVA420P10BE:
810 case AV_PIX_FMT_YUVA420P16BE:
811 case AV_PIX_FMT_YUVA422P16BE:
812 case AV_PIX_FMT_YUVA444P16BE:
813 c->chrToYV12 = bswap16UV_c;
814 break;
815 #endif
816 }
817 if (c->chrSrcHSubSample) {
818 switch (srcFormat) {
819 case AV_PIX_FMT_RGB48BE:
820 c->chrToYV12 = rgb48BEToUV_half_c;
821 break;
822 case AV_PIX_FMT_RGB48LE:
823 c->chrToYV12 = rgb48LEToUV_half_c;
824 break;
825 case AV_PIX_FMT_BGR48BE:
826 c->chrToYV12 = bgr48BEToUV_half_c;
827 break;
828 case AV_PIX_FMT_BGR48LE:
829 c->chrToYV12 = bgr48LEToUV_half_c;
830 break;
831 case AV_PIX_FMT_RGB32:
832 c->chrToYV12 = bgr32ToUV_half_c;
833 break;
834 case AV_PIX_FMT_RGB32_1:
835 c->chrToYV12 = bgr321ToUV_half_c;
836 break;
837 case AV_PIX_FMT_BGR24:
838 c->chrToYV12 = bgr24ToUV_half_c;
839 break;
840 case AV_PIX_FMT_BGR565LE:
841 c->chrToYV12 = bgr16leToUV_half_c;
842 break;
843 case AV_PIX_FMT_BGR565BE:
844 c->chrToYV12 = bgr16beToUV_half_c;
845 break;
846 case AV_PIX_FMT_BGR555LE:
847 c->chrToYV12 = bgr15leToUV_half_c;
848 break;
849 case AV_PIX_FMT_BGR555BE:
850 c->chrToYV12 = bgr15beToUV_half_c;
851 break;
852 case AV_PIX_FMT_BGR444LE:
853 c->chrToYV12 = bgr12leToUV_half_c;
854 break;
855 case AV_PIX_FMT_BGR444BE:
856 c->chrToYV12 = bgr12beToUV_half_c;
857 break;
858 case AV_PIX_FMT_BGR32:
859 c->chrToYV12 = rgb32ToUV_half_c;
860 break;
861 case AV_PIX_FMT_BGR32_1:
862 c->chrToYV12 = rgb321ToUV_half_c;
863 break;
864 case AV_PIX_FMT_RGB24:
865 c->chrToYV12 = rgb24ToUV_half_c;
866 break;
867 case AV_PIX_FMT_RGB565LE:
868 c->chrToYV12 = rgb16leToUV_half_c;
869 break;
870 case AV_PIX_FMT_RGB565BE:
871 c->chrToYV12 = rgb16beToUV_half_c;
872 break;
873 case AV_PIX_FMT_RGB555LE:
874 c->chrToYV12 = rgb15leToUV_half_c;
875 break;
876 case AV_PIX_FMT_RGB555BE:
877 c->chrToYV12 = rgb15beToUV_half_c;
878 break;
879 case AV_PIX_FMT_RGB444LE:
880 c->chrToYV12 = rgb12leToUV_half_c;
881 break;
882 case AV_PIX_FMT_RGB444BE:
883 c->chrToYV12 = rgb12beToUV_half_c;
884 break;
885 }
886 } else {
887 switch (srcFormat) {
888 case AV_PIX_FMT_RGB48BE:
889 c->chrToYV12 = rgb48BEToUV_c;
890 break;
891 case AV_PIX_FMT_RGB48LE:
892 c->chrToYV12 = rgb48LEToUV_c;
893 break;
894 case AV_PIX_FMT_BGR48BE:
895 c->chrToYV12 = bgr48BEToUV_c;
896 break;
897 case AV_PIX_FMT_BGR48LE:
898 c->chrToYV12 = bgr48LEToUV_c;
899 break;
900 case AV_PIX_FMT_RGB32:
901 c->chrToYV12 = bgr32ToUV_c;
902 break;
903 case AV_PIX_FMT_RGB32_1:
904 c->chrToYV12 = bgr321ToUV_c;
905 break;
906 case AV_PIX_FMT_BGR24:
907 c->chrToYV12 = bgr24ToUV_c;
908 break;
909 case AV_PIX_FMT_BGR565LE:
910 c->chrToYV12 = bgr16leToUV_c;
911 break;
912 case AV_PIX_FMT_BGR565BE:
913 c->chrToYV12 = bgr16beToUV_c;
914 break;
915 case AV_PIX_FMT_BGR555LE:
916 c->chrToYV12 = bgr15leToUV_c;
917 break;
918 case AV_PIX_FMT_BGR555BE:
919 c->chrToYV12 = bgr15beToUV_c;
920 break;
921 case AV_PIX_FMT_BGR444LE:
922 c->chrToYV12 = bgr12leToUV_c;
923 break;
924 case AV_PIX_FMT_BGR444BE:
925 c->chrToYV12 = bgr12beToUV_c;
926 break;
927 case AV_PIX_FMT_BGR32:
928 c->chrToYV12 = rgb32ToUV_c;
929 break;
930 case AV_PIX_FMT_BGR32_1:
931 c->chrToYV12 = rgb321ToUV_c;
932 break;
933 case AV_PIX_FMT_RGB24:
934 c->chrToYV12 = rgb24ToUV_c;
935 break;
936 case AV_PIX_FMT_RGB565LE:
937 c->chrToYV12 = rgb16leToUV_c;
938 break;
939 case AV_PIX_FMT_RGB565BE:
940 c->chrToYV12 = rgb16beToUV_c;
941 break;
942 case AV_PIX_FMT_RGB555LE:
943 c->chrToYV12 = rgb15leToUV_c;
944 break;
945 case AV_PIX_FMT_RGB555BE:
946 c->chrToYV12 = rgb15beToUV_c;
947 break;
948 case AV_PIX_FMT_RGB444LE:
949 c->chrToYV12 = rgb12leToUV_c;
950 break;
951 case AV_PIX_FMT_RGB444BE:
952 c->chrToYV12 = rgb12beToUV_c;
953 break;
954 }
955 }
956
957 c->lumToYV12 = NULL;
958 c->alpToYV12 = NULL;
959 switch (srcFormat) {
960 case AV_PIX_FMT_GBRP9LE:
961 c->readLumPlanar = planar_rgb9le_to_y;
962 break;
963 case AV_PIX_FMT_GBRP10LE:
964 c->readLumPlanar = planar_rgb10le_to_y;
965 break;
966 case AV_PIX_FMT_GBRAP16LE:
967 case AV_PIX_FMT_GBRP16LE:
968 c->readLumPlanar = planar_rgb16le_to_y;
969 break;
970 case AV_PIX_FMT_GBRP9BE:
971 c->readLumPlanar = planar_rgb9be_to_y;
972 break;
973 case AV_PIX_FMT_GBRP10BE:
974 c->readLumPlanar = planar_rgb10be_to_y;
975 break;
976 case AV_PIX_FMT_GBRAP16BE:
977 case AV_PIX_FMT_GBRP16BE:
978 c->readLumPlanar = planar_rgb16be_to_y;
979 break;
980 case AV_PIX_FMT_GBRAP:
981 c->readAlpPlanar = planar_rgb_to_a;
982 case AV_PIX_FMT_GBRP:
983 c->readLumPlanar = planar_rgb_to_y;
984 break;
985 #if HAVE_BIGENDIAN
986 case AV_PIX_FMT_YUV444P9LE:
987 case AV_PIX_FMT_YUV422P9LE:
988 case AV_PIX_FMT_YUV420P9LE:
989 case AV_PIX_FMT_YUV444P10LE:
990 case AV_PIX_FMT_YUV422P10LE:
991 case AV_PIX_FMT_YUV420P10LE:
992 case AV_PIX_FMT_YUV420P16LE:
993 case AV_PIX_FMT_YUV422P16LE:
994 case AV_PIX_FMT_YUV444P16LE:
995 case AV_PIX_FMT_GRAY16LE:
996 c->lumToYV12 = bswap16Y_c;
997 break;
998 case AV_PIX_FMT_YUVA444P9LE:
999 case AV_PIX_FMT_YUVA422P9LE:
1000 case AV_PIX_FMT_YUVA420P9LE:
1001 case AV_PIX_FMT_YUVA444P10LE:
1002 case AV_PIX_FMT_YUVA422P10LE:
1003 case AV_PIX_FMT_YUVA420P10LE:
1004 case AV_PIX_FMT_YUVA420P16LE:
1005 case AV_PIX_FMT_YUVA422P16LE:
1006 case AV_PIX_FMT_YUVA444P16LE:
1007 c->lumToYV12 = bswap16Y_c;
1008 c->alpToYV12 = bswap16Y_c;
1009 break;
1010 #else
1011 case AV_PIX_FMT_YUV444P9BE:
1012 case AV_PIX_FMT_YUV422P9BE:
1013 case AV_PIX_FMT_YUV420P9BE:
1014 case AV_PIX_FMT_YUV444P10BE:
1015 case AV_PIX_FMT_YUV422P10BE:
1016 case AV_PIX_FMT_YUV420P10BE:
1017 case AV_PIX_FMT_YUV420P16BE:
1018 case AV_PIX_FMT_YUV422P16BE:
1019 case AV_PIX_FMT_YUV444P16BE:
1020 case AV_PIX_FMT_GRAY16BE:
1021 c->lumToYV12 = bswap16Y_c;
1022 break;
1023 case AV_PIX_FMT_YUVA444P9BE:
1024 case AV_PIX_FMT_YUVA422P9BE:
1025 case AV_PIX_FMT_YUVA420P9BE:
1026 case AV_PIX_FMT_YUVA444P10BE:
1027 case AV_PIX_FMT_YUVA422P10BE:
1028 case AV_PIX_FMT_YUVA420P10BE:
1029 case AV_PIX_FMT_YUVA420P16BE:
1030 case AV_PIX_FMT_YUVA422P16BE:
1031 case AV_PIX_FMT_YUVA444P16BE:
1032 c->lumToYV12 = bswap16Y_c;
1033 c->alpToYV12 = bswap16Y_c;
1034 break;
1035 #endif
1036 case AV_PIX_FMT_YA16LE:
1037 c->lumToYV12 = read_ya16le_gray_c;
1038 c->alpToYV12 = read_ya16le_alpha_c;
1039 break;
1040 case AV_PIX_FMT_YA16BE:
1041 c->lumToYV12 = read_ya16be_gray_c;
1042 c->alpToYV12 = read_ya16be_alpha_c;
1043 break;
1044 case AV_PIX_FMT_YUYV422:
1045 case AV_PIX_FMT_YVYU422:
1046 case AV_PIX_FMT_YA8:
1047 c->lumToYV12 = yuy2ToY_c;
1048 break;
1049 case AV_PIX_FMT_UYVY422:
1050 c->lumToYV12 = uyvyToY_c;
1051 break;
1052 case AV_PIX_FMT_BGR24:
1053 c->lumToYV12 = bgr24ToY_c;
1054 break;
1055 case AV_PIX_FMT_BGR565LE:
1056 c->lumToYV12 = bgr16leToY_c;
1057 break;
1058 case AV_PIX_FMT_BGR565BE:
1059 c->lumToYV12 = bgr16beToY_c;
1060 break;
1061 case AV_PIX_FMT_BGR555LE:
1062 c->lumToYV12 = bgr15leToY_c;
1063 break;
1064 case AV_PIX_FMT_BGR555BE:
1065 c->lumToYV12 = bgr15beToY_c;
1066 break;
1067 case AV_PIX_FMT_BGR444LE:
1068 c->lumToYV12 = bgr12leToY_c;
1069 break;
1070 case AV_PIX_FMT_BGR444BE:
1071 c->lumToYV12 = bgr12beToY_c;
1072 break;
1073 case AV_PIX_FMT_RGB24:
1074 c->lumToYV12 = rgb24ToY_c;
1075 break;
1076 case AV_PIX_FMT_RGB565LE:
1077 c->lumToYV12 = rgb16leToY_c;
1078 break;
1079 case AV_PIX_FMT_RGB565BE:
1080 c->lumToYV12 = rgb16beToY_c;
1081 break;
1082 case AV_PIX_FMT_RGB555LE:
1083 c->lumToYV12 = rgb15leToY_c;
1084 break;
1085 case AV_PIX_FMT_RGB555BE:
1086 c->lumToYV12 = rgb15beToY_c;
1087 break;
1088 case AV_PIX_FMT_RGB444LE:
1089 c->lumToYV12 = rgb12leToY_c;
1090 break;
1091 case AV_PIX_FMT_RGB444BE:
1092 c->lumToYV12 = rgb12beToY_c;
1093 break;
1094 case AV_PIX_FMT_RGB8:
1095 case AV_PIX_FMT_BGR8:
1096 case AV_PIX_FMT_PAL8:
1097 case AV_PIX_FMT_BGR4_BYTE:
1098 case AV_PIX_FMT_RGB4_BYTE:
1099 c->lumToYV12 = palToY_c;
1100 break;
1101 case AV_PIX_FMT_MONOBLACK:
1102 c->lumToYV12 = monoblack2Y_c;
1103 break;
1104 case AV_PIX_FMT_MONOWHITE:
1105 c->lumToYV12 = monowhite2Y_c;
1106 break;
1107 case AV_PIX_FMT_RGB32:
1108 c->lumToYV12 = bgr32ToY_c;
1109 break;
1110 case AV_PIX_FMT_RGB32_1:
1111 c->lumToYV12 = bgr321ToY_c;
1112 break;
1113 case AV_PIX_FMT_BGR32:
1114 c->lumToYV12 = rgb32ToY_c;
1115 break;
1116 case AV_PIX_FMT_BGR32_1:
1117 c->lumToYV12 = rgb321ToY_c;
1118 break;
1119 case AV_PIX_FMT_RGB48BE:
1120 c->lumToYV12 = rgb48BEToY_c;
1121 break;
1122 case AV_PIX_FMT_RGB48LE:
1123 c->lumToYV12 = rgb48LEToY_c;
1124 break;
1125 case AV_PIX_FMT_BGR48BE:
1126 c->lumToYV12 = bgr48BEToY_c;
1127 break;
1128 case AV_PIX_FMT_BGR48LE:
1129 c->lumToYV12 = bgr48LEToY_c;
1130 break;
1131 }
1132 if (c->alpPixBuf) {
1133 switch (srcFormat) {
1134 case AV_PIX_FMT_BGRA:
1135 case AV_PIX_FMT_RGBA:
1136 c->alpToYV12 = rgbaToA_c;
1137 break;
1138 case AV_PIX_FMT_ABGR:
1139 case AV_PIX_FMT_ARGB:
1140 c->alpToYV12 = abgrToA_c;
1141 break;
1142 case AV_PIX_FMT_YA8:
1143 c->alpToYV12 = uyvyToY_c;
1144 break;
1145 }
1146 }
1147 }