swscale: support AV_PIX_FMT_YA16 as input
[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_uv(uint8_t *dstU, uint8_t *dstV, const uint8_t *src[4], int width)
600 {
601 int i;
602 for (i = 0; i < width; i++) {
603 int g = src[0][i];
604 int b = src[1][i];
605 int r = src[2][i];
606
607 dstU[i] = (RU * r + GU * g + BU * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
608 dstV[i] = (RV * r + GV * g + BV * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
609 }
610 }
611
612 #define rdpx(src) \
613 is_be ? AV_RB16(src) : AV_RL16(src)
614 static av_always_inline void planar_rgb16_to_y(uint8_t *_dst, const uint8_t *_src[4],
615 int width, int bpc, int is_be)
616 {
617 int i;
618 const uint16_t **src = (const uint16_t **)_src;
619 uint16_t *dst = (uint16_t *)_dst;
620 for (i = 0; i < width; i++) {
621 int g = rdpx(src[0] + i);
622 int b = rdpx(src[1] + i);
623 int r = rdpx(src[2] + i);
624
625 dst[i] = ((RY * r + GY * g + BY * b + (33 << (RGB2YUV_SHIFT + bpc - 9))) >> RGB2YUV_SHIFT);
626 }
627 }
628
629 static void planar_rgb9le_to_y(uint8_t *dst, const uint8_t *src[4], int w)
630 {
631 planar_rgb16_to_y(dst, src, w, 9, 0);
632 }
633
634 static void planar_rgb9be_to_y(uint8_t *dst, const uint8_t *src[4], int w)
635 {
636 planar_rgb16_to_y(dst, src, w, 9, 1);
637 }
638
639 static void planar_rgb10le_to_y(uint8_t *dst, const uint8_t *src[4], int w)
640 {
641 planar_rgb16_to_y(dst, src, w, 10, 0);
642 }
643
644 static void planar_rgb10be_to_y(uint8_t *dst, const uint8_t *src[4], int w)
645 {
646 planar_rgb16_to_y(dst, src, w, 10, 1);
647 }
648
649 static void planar_rgb16le_to_y(uint8_t *dst, const uint8_t *src[4], int w)
650 {
651 planar_rgb16_to_y(dst, src, w, 16, 0);
652 }
653
654 static void planar_rgb16be_to_y(uint8_t *dst, const uint8_t *src[4], int w)
655 {
656 planar_rgb16_to_y(dst, src, w, 16, 1);
657 }
658
659 static av_always_inline void planar_rgb16_to_uv(uint8_t *_dstU, uint8_t *_dstV,
660 const uint8_t *_src[4], int width,
661 int bpc, int is_be)
662 {
663 int i;
664 const uint16_t **src = (const uint16_t **)_src;
665 uint16_t *dstU = (uint16_t *)_dstU;
666 uint16_t *dstV = (uint16_t *)_dstV;
667 for (i = 0; i < width; i++) {
668 int g = rdpx(src[0] + i);
669 int b = rdpx(src[1] + i);
670 int r = rdpx(src[2] + i);
671
672 dstU[i] = (RU * r + GU * g + BU * b + (257 << (RGB2YUV_SHIFT + bpc - 9))) >> RGB2YUV_SHIFT;
673 dstV[i] = (RV * r + GV * g + BV * b + (257 << (RGB2YUV_SHIFT + bpc - 9))) >> RGB2YUV_SHIFT;
674 }
675 }
676 #undef rdpx
677
678 static void planar_rgb9le_to_uv(uint8_t *dstU, uint8_t *dstV,
679 const uint8_t *src[4], int w)
680 {
681 planar_rgb16_to_uv(dstU, dstV, src, w, 9, 0);
682 }
683
684 static void planar_rgb9be_to_uv(uint8_t *dstU, uint8_t *dstV,
685 const uint8_t *src[4], int w)
686 {
687 planar_rgb16_to_uv(dstU, dstV, src, w, 9, 1);
688 }
689
690 static void planar_rgb10le_to_uv(uint8_t *dstU, uint8_t *dstV,
691 const uint8_t *src[4], int w)
692 {
693 planar_rgb16_to_uv(dstU, dstV, src, w, 10, 0);
694 }
695
696 static void planar_rgb10be_to_uv(uint8_t *dstU, uint8_t *dstV,
697 const uint8_t *src[4], int w)
698 {
699 planar_rgb16_to_uv(dstU, dstV, src, w, 10, 1);
700 }
701
702 static void planar_rgb16le_to_uv(uint8_t *dstU, uint8_t *dstV,
703 const uint8_t *src[4], int w)
704 {
705 planar_rgb16_to_uv(dstU, dstV, src, w, 16, 0);
706 }
707
708 static void planar_rgb16be_to_uv(uint8_t *dstU, uint8_t *dstV,
709 const uint8_t *src[4], int w)
710 {
711 planar_rgb16_to_uv(dstU, dstV, src, w, 16, 1);
712 }
713
714 av_cold void ff_sws_init_input_funcs(SwsContext *c)
715 {
716 enum AVPixelFormat srcFormat = c->srcFormat;
717
718 c->chrToYV12 = NULL;
719 switch (srcFormat) {
720 case AV_PIX_FMT_YUYV422:
721 c->chrToYV12 = yuy2ToUV_c;
722 break;
723 case AV_PIX_FMT_YVYU422:
724 c->chrToYV12 = yvy2ToUV_c;
725 break;
726 case AV_PIX_FMT_UYVY422:
727 c->chrToYV12 = uyvyToUV_c;
728 break;
729 case AV_PIX_FMT_NV12:
730 c->chrToYV12 = nv12ToUV_c;
731 break;
732 case AV_PIX_FMT_NV21:
733 c->chrToYV12 = nv21ToUV_c;
734 break;
735 case AV_PIX_FMT_RGB8:
736 case AV_PIX_FMT_BGR8:
737 case AV_PIX_FMT_PAL8:
738 case AV_PIX_FMT_BGR4_BYTE:
739 case AV_PIX_FMT_RGB4_BYTE:
740 c->chrToYV12 = palToUV_c;
741 break;
742 case AV_PIX_FMT_GBRP9LE:
743 c->readChrPlanar = planar_rgb9le_to_uv;
744 break;
745 case AV_PIX_FMT_GBRP10LE:
746 c->readChrPlanar = planar_rgb10le_to_uv;
747 break;
748 case AV_PIX_FMT_GBRP16LE:
749 c->readChrPlanar = planar_rgb16le_to_uv;
750 break;
751 case AV_PIX_FMT_GBRP9BE:
752 c->readChrPlanar = planar_rgb9be_to_uv;
753 break;
754 case AV_PIX_FMT_GBRP10BE:
755 c->readChrPlanar = planar_rgb10be_to_uv;
756 break;
757 case AV_PIX_FMT_GBRP16BE:
758 c->readChrPlanar = planar_rgb16be_to_uv;
759 break;
760 case AV_PIX_FMT_GBRP:
761 c->readChrPlanar = planar_rgb_to_uv;
762 break;
763 #if HAVE_BIGENDIAN
764 case AV_PIX_FMT_YUV444P9LE:
765 case AV_PIX_FMT_YUV422P9LE:
766 case AV_PIX_FMT_YUV420P9LE:
767 case AV_PIX_FMT_YUV422P10LE:
768 case AV_PIX_FMT_YUV444P10LE:
769 case AV_PIX_FMT_YUV420P10LE:
770 case AV_PIX_FMT_YUV420P16LE:
771 case AV_PIX_FMT_YUV422P16LE:
772 case AV_PIX_FMT_YUV444P16LE:
773 case AV_PIX_FMT_YUVA444P9LE:
774 case AV_PIX_FMT_YUVA422P9LE:
775 case AV_PIX_FMT_YUVA420P9LE:
776 case AV_PIX_FMT_YUVA422P10LE:
777 case AV_PIX_FMT_YUVA444P10LE:
778 case AV_PIX_FMT_YUVA420P10LE:
779 case AV_PIX_FMT_YUVA420P16LE:
780 case AV_PIX_FMT_YUVA422P16LE:
781 case AV_PIX_FMT_YUVA444P16LE:
782 c->chrToYV12 = bswap16UV_c;
783 break;
784 #else
785 case AV_PIX_FMT_YUV444P9BE:
786 case AV_PIX_FMT_YUV422P9BE:
787 case AV_PIX_FMT_YUV420P9BE:
788 case AV_PIX_FMT_YUV444P10BE:
789 case AV_PIX_FMT_YUV422P10BE:
790 case AV_PIX_FMT_YUV420P10BE:
791 case AV_PIX_FMT_YUV420P16BE:
792 case AV_PIX_FMT_YUV422P16BE:
793 case AV_PIX_FMT_YUV444P16BE:
794 case AV_PIX_FMT_YUVA444P9BE:
795 case AV_PIX_FMT_YUVA422P9BE:
796 case AV_PIX_FMT_YUVA420P9BE:
797 case AV_PIX_FMT_YUVA422P10BE:
798 case AV_PIX_FMT_YUVA444P10BE:
799 case AV_PIX_FMT_YUVA420P10BE:
800 case AV_PIX_FMT_YUVA420P16BE:
801 case AV_PIX_FMT_YUVA422P16BE:
802 case AV_PIX_FMT_YUVA444P16BE:
803 c->chrToYV12 = bswap16UV_c;
804 break;
805 #endif
806 }
807 if (c->chrSrcHSubSample) {
808 switch (srcFormat) {
809 case AV_PIX_FMT_RGB48BE:
810 c->chrToYV12 = rgb48BEToUV_half_c;
811 break;
812 case AV_PIX_FMT_RGB48LE:
813 c->chrToYV12 = rgb48LEToUV_half_c;
814 break;
815 case AV_PIX_FMT_BGR48BE:
816 c->chrToYV12 = bgr48BEToUV_half_c;
817 break;
818 case AV_PIX_FMT_BGR48LE:
819 c->chrToYV12 = bgr48LEToUV_half_c;
820 break;
821 case AV_PIX_FMT_RGB32:
822 c->chrToYV12 = bgr32ToUV_half_c;
823 break;
824 case AV_PIX_FMT_RGB32_1:
825 c->chrToYV12 = bgr321ToUV_half_c;
826 break;
827 case AV_PIX_FMT_BGR24:
828 c->chrToYV12 = bgr24ToUV_half_c;
829 break;
830 case AV_PIX_FMT_BGR565LE:
831 c->chrToYV12 = bgr16leToUV_half_c;
832 break;
833 case AV_PIX_FMT_BGR565BE:
834 c->chrToYV12 = bgr16beToUV_half_c;
835 break;
836 case AV_PIX_FMT_BGR555LE:
837 c->chrToYV12 = bgr15leToUV_half_c;
838 break;
839 case AV_PIX_FMT_BGR555BE:
840 c->chrToYV12 = bgr15beToUV_half_c;
841 break;
842 case AV_PIX_FMT_BGR444LE:
843 c->chrToYV12 = bgr12leToUV_half_c;
844 break;
845 case AV_PIX_FMT_BGR444BE:
846 c->chrToYV12 = bgr12beToUV_half_c;
847 break;
848 case AV_PIX_FMT_BGR32:
849 c->chrToYV12 = rgb32ToUV_half_c;
850 break;
851 case AV_PIX_FMT_BGR32_1:
852 c->chrToYV12 = rgb321ToUV_half_c;
853 break;
854 case AV_PIX_FMT_RGB24:
855 c->chrToYV12 = rgb24ToUV_half_c;
856 break;
857 case AV_PIX_FMT_RGB565LE:
858 c->chrToYV12 = rgb16leToUV_half_c;
859 break;
860 case AV_PIX_FMT_RGB565BE:
861 c->chrToYV12 = rgb16beToUV_half_c;
862 break;
863 case AV_PIX_FMT_RGB555LE:
864 c->chrToYV12 = rgb15leToUV_half_c;
865 break;
866 case AV_PIX_FMT_RGB555BE:
867 c->chrToYV12 = rgb15beToUV_half_c;
868 break;
869 case AV_PIX_FMT_RGB444LE:
870 c->chrToYV12 = rgb12leToUV_half_c;
871 break;
872 case AV_PIX_FMT_RGB444BE:
873 c->chrToYV12 = rgb12beToUV_half_c;
874 break;
875 }
876 } else {
877 switch (srcFormat) {
878 case AV_PIX_FMT_RGB48BE:
879 c->chrToYV12 = rgb48BEToUV_c;
880 break;
881 case AV_PIX_FMT_RGB48LE:
882 c->chrToYV12 = rgb48LEToUV_c;
883 break;
884 case AV_PIX_FMT_BGR48BE:
885 c->chrToYV12 = bgr48BEToUV_c;
886 break;
887 case AV_PIX_FMT_BGR48LE:
888 c->chrToYV12 = bgr48LEToUV_c;
889 break;
890 case AV_PIX_FMT_RGB32:
891 c->chrToYV12 = bgr32ToUV_c;
892 break;
893 case AV_PIX_FMT_RGB32_1:
894 c->chrToYV12 = bgr321ToUV_c;
895 break;
896 case AV_PIX_FMT_BGR24:
897 c->chrToYV12 = bgr24ToUV_c;
898 break;
899 case AV_PIX_FMT_BGR565LE:
900 c->chrToYV12 = bgr16leToUV_c;
901 break;
902 case AV_PIX_FMT_BGR565BE:
903 c->chrToYV12 = bgr16beToUV_c;
904 break;
905 case AV_PIX_FMT_BGR555LE:
906 c->chrToYV12 = bgr15leToUV_c;
907 break;
908 case AV_PIX_FMT_BGR555BE:
909 c->chrToYV12 = bgr15beToUV_c;
910 break;
911 case AV_PIX_FMT_BGR444LE:
912 c->chrToYV12 = bgr12leToUV_c;
913 break;
914 case AV_PIX_FMT_BGR444BE:
915 c->chrToYV12 = bgr12beToUV_c;
916 break;
917 case AV_PIX_FMT_BGR32:
918 c->chrToYV12 = rgb32ToUV_c;
919 break;
920 case AV_PIX_FMT_BGR32_1:
921 c->chrToYV12 = rgb321ToUV_c;
922 break;
923 case AV_PIX_FMT_RGB24:
924 c->chrToYV12 = rgb24ToUV_c;
925 break;
926 case AV_PIX_FMT_RGB565LE:
927 c->chrToYV12 = rgb16leToUV_c;
928 break;
929 case AV_PIX_FMT_RGB565BE:
930 c->chrToYV12 = rgb16beToUV_c;
931 break;
932 case AV_PIX_FMT_RGB555LE:
933 c->chrToYV12 = rgb15leToUV_c;
934 break;
935 case AV_PIX_FMT_RGB555BE:
936 c->chrToYV12 = rgb15beToUV_c;
937 break;
938 case AV_PIX_FMT_RGB444LE:
939 c->chrToYV12 = rgb12leToUV_c;
940 break;
941 case AV_PIX_FMT_RGB444BE:
942 c->chrToYV12 = rgb12beToUV_c;
943 break;
944 }
945 }
946
947 c->lumToYV12 = NULL;
948 c->alpToYV12 = NULL;
949 switch (srcFormat) {
950 case AV_PIX_FMT_GBRP9LE:
951 c->readLumPlanar = planar_rgb9le_to_y;
952 break;
953 case AV_PIX_FMT_GBRP10LE:
954 c->readLumPlanar = planar_rgb10le_to_y;
955 break;
956 case AV_PIX_FMT_GBRP16LE:
957 c->readLumPlanar = planar_rgb16le_to_y;
958 break;
959 case AV_PIX_FMT_GBRP9BE:
960 c->readLumPlanar = planar_rgb9be_to_y;
961 break;
962 case AV_PIX_FMT_GBRP10BE:
963 c->readLumPlanar = planar_rgb10be_to_y;
964 break;
965 case AV_PIX_FMT_GBRP16BE:
966 c->readLumPlanar = planar_rgb16be_to_y;
967 break;
968 case AV_PIX_FMT_GBRP:
969 c->readLumPlanar = planar_rgb_to_y;
970 break;
971 #if HAVE_BIGENDIAN
972 case AV_PIX_FMT_YUV444P9LE:
973 case AV_PIX_FMT_YUV422P9LE:
974 case AV_PIX_FMT_YUV420P9LE:
975 case AV_PIX_FMT_YUV444P10LE:
976 case AV_PIX_FMT_YUV422P10LE:
977 case AV_PIX_FMT_YUV420P10LE:
978 case AV_PIX_FMT_YUV420P16LE:
979 case AV_PIX_FMT_YUV422P16LE:
980 case AV_PIX_FMT_YUV444P16LE:
981 case AV_PIX_FMT_GRAY16LE:
982 c->lumToYV12 = bswap16Y_c;
983 break;
984 case AV_PIX_FMT_YUVA444P9LE:
985 case AV_PIX_FMT_YUVA422P9LE:
986 case AV_PIX_FMT_YUVA420P9LE:
987 case AV_PIX_FMT_YUVA444P10LE:
988 case AV_PIX_FMT_YUVA422P10LE:
989 case AV_PIX_FMT_YUVA420P10LE:
990 case AV_PIX_FMT_YUVA420P16LE:
991 case AV_PIX_FMT_YUVA422P16LE:
992 case AV_PIX_FMT_YUVA444P16LE:
993 c->lumToYV12 = bswap16Y_c;
994 c->alpToYV12 = bswap16Y_c;
995 break;
996 #else
997 case AV_PIX_FMT_YUV444P9BE:
998 case AV_PIX_FMT_YUV422P9BE:
999 case AV_PIX_FMT_YUV420P9BE:
1000 case AV_PIX_FMT_YUV444P10BE:
1001 case AV_PIX_FMT_YUV422P10BE:
1002 case AV_PIX_FMT_YUV420P10BE:
1003 case AV_PIX_FMT_YUV420P16BE:
1004 case AV_PIX_FMT_YUV422P16BE:
1005 case AV_PIX_FMT_YUV444P16BE:
1006 case AV_PIX_FMT_GRAY16BE:
1007 c->lumToYV12 = bswap16Y_c;
1008 break;
1009 case AV_PIX_FMT_YUVA444P9BE:
1010 case AV_PIX_FMT_YUVA422P9BE:
1011 case AV_PIX_FMT_YUVA420P9BE:
1012 case AV_PIX_FMT_YUVA444P10BE:
1013 case AV_PIX_FMT_YUVA422P10BE:
1014 case AV_PIX_FMT_YUVA420P10BE:
1015 case AV_PIX_FMT_YUVA420P16BE:
1016 case AV_PIX_FMT_YUVA422P16BE:
1017 case AV_PIX_FMT_YUVA444P16BE:
1018 c->lumToYV12 = bswap16Y_c;
1019 c->alpToYV12 = bswap16Y_c;
1020 break;
1021 #endif
1022 case AV_PIX_FMT_YA16LE:
1023 c->lumToYV12 = read_ya16le_gray_c;
1024 c->alpToYV12 = read_ya16le_alpha_c;
1025 break;
1026 case AV_PIX_FMT_YA16BE:
1027 c->lumToYV12 = read_ya16be_gray_c;
1028 c->alpToYV12 = read_ya16be_alpha_c;
1029 break;
1030 case AV_PIX_FMT_YUYV422:
1031 case AV_PIX_FMT_YVYU422:
1032 case AV_PIX_FMT_YA8:
1033 c->lumToYV12 = yuy2ToY_c;
1034 break;
1035 case AV_PIX_FMT_UYVY422:
1036 c->lumToYV12 = uyvyToY_c;
1037 break;
1038 case AV_PIX_FMT_BGR24:
1039 c->lumToYV12 = bgr24ToY_c;
1040 break;
1041 case AV_PIX_FMT_BGR565LE:
1042 c->lumToYV12 = bgr16leToY_c;
1043 break;
1044 case AV_PIX_FMT_BGR565BE:
1045 c->lumToYV12 = bgr16beToY_c;
1046 break;
1047 case AV_PIX_FMT_BGR555LE:
1048 c->lumToYV12 = bgr15leToY_c;
1049 break;
1050 case AV_PIX_FMT_BGR555BE:
1051 c->lumToYV12 = bgr15beToY_c;
1052 break;
1053 case AV_PIX_FMT_BGR444LE:
1054 c->lumToYV12 = bgr12leToY_c;
1055 break;
1056 case AV_PIX_FMT_BGR444BE:
1057 c->lumToYV12 = bgr12beToY_c;
1058 break;
1059 case AV_PIX_FMT_RGB24:
1060 c->lumToYV12 = rgb24ToY_c;
1061 break;
1062 case AV_PIX_FMT_RGB565LE:
1063 c->lumToYV12 = rgb16leToY_c;
1064 break;
1065 case AV_PIX_FMT_RGB565BE:
1066 c->lumToYV12 = rgb16beToY_c;
1067 break;
1068 case AV_PIX_FMT_RGB555LE:
1069 c->lumToYV12 = rgb15leToY_c;
1070 break;
1071 case AV_PIX_FMT_RGB555BE:
1072 c->lumToYV12 = rgb15beToY_c;
1073 break;
1074 case AV_PIX_FMT_RGB444LE:
1075 c->lumToYV12 = rgb12leToY_c;
1076 break;
1077 case AV_PIX_FMT_RGB444BE:
1078 c->lumToYV12 = rgb12beToY_c;
1079 break;
1080 case AV_PIX_FMT_RGB8:
1081 case AV_PIX_FMT_BGR8:
1082 case AV_PIX_FMT_PAL8:
1083 case AV_PIX_FMT_BGR4_BYTE:
1084 case AV_PIX_FMT_RGB4_BYTE:
1085 c->lumToYV12 = palToY_c;
1086 break;
1087 case AV_PIX_FMT_MONOBLACK:
1088 c->lumToYV12 = monoblack2Y_c;
1089 break;
1090 case AV_PIX_FMT_MONOWHITE:
1091 c->lumToYV12 = monowhite2Y_c;
1092 break;
1093 case AV_PIX_FMT_RGB32:
1094 c->lumToYV12 = bgr32ToY_c;
1095 break;
1096 case AV_PIX_FMT_RGB32_1:
1097 c->lumToYV12 = bgr321ToY_c;
1098 break;
1099 case AV_PIX_FMT_BGR32:
1100 c->lumToYV12 = rgb32ToY_c;
1101 break;
1102 case AV_PIX_FMT_BGR32_1:
1103 c->lumToYV12 = rgb321ToY_c;
1104 break;
1105 case AV_PIX_FMT_RGB48BE:
1106 c->lumToYV12 = rgb48BEToY_c;
1107 break;
1108 case AV_PIX_FMT_RGB48LE:
1109 c->lumToYV12 = rgb48LEToY_c;
1110 break;
1111 case AV_PIX_FMT_BGR48BE:
1112 c->lumToYV12 = bgr48BEToY_c;
1113 break;
1114 case AV_PIX_FMT_BGR48LE:
1115 c->lumToYV12 = bgr48LEToY_c;
1116 break;
1117 }
1118 if (c->alpPixBuf) {
1119 switch (srcFormat) {
1120 case AV_PIX_FMT_BGRA:
1121 case AV_PIX_FMT_RGBA:
1122 c->alpToYV12 = rgbaToA_c;
1123 break;
1124 case AV_PIX_FMT_ABGR:
1125 case AV_PIX_FMT_ARGB:
1126 c->alpToYV12 = abgrToA_c;
1127 break;
1128 case AV_PIX_FMT_YA8:
1129 c->alpToYV12 = uyvyToY_c;
1130 break;
1131 }
1132 }
1133 }