pixfmt: add AV_ prefixes to PIX_FMT_*
[libav.git] / libswscale / input.c
CommitLineData
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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
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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))
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48
49#define input_pixel(pos) (isBE(origin) ? AV_RB16(pos) : AV_RL16(pos))
50
51#define r ((origin == PIX_FMT_BGR48BE || origin == PIX_FMT_BGR48LE) ? b_r : r_b)
52#define b ((origin == PIX_FMT_BGR48BE || origin == PIX_FMT_BGR48LE) ? r_b : b_r)
53
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54static av_always_inline void rgb48ToY_c_template(uint16_t *dst,
55 const uint16_t *src, int width,
56 enum PixelFormat origin)
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57{
58 int i;
59 for (i = 0; i < width; i++) {
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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]);
2dd7a1c0 63
9b75ae05 64 dst[i] = (RY * r + GY * g + BY * b + (0x2001 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
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65 }
66}
67
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68static 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 PixelFormat origin)
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74{
75 int i;
9b75ae05 76 assert(src1 == src2);
2dd7a1c0 77 for (i = 0; i < width; i++) {
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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]);
2dd7a1c0 81
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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;
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84 }
85}
86
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87static 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 PixelFormat origin)
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93{
94 int i;
9b75ae05 95 assert(src1 == src2);
2dd7a1c0 96 for (i = 0; i < width; i++) {
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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;
2dd7a1c0 103
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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;
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106 }
107}
108
109#undef r
110#undef b
111#undef input_pixel
112
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113#define rgb48funcs(pattern, BE_LE, origin) \
114static 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 \
124static 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 \
138static 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); \
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150}
151
152rgb48funcs(rgb, LE, PIX_FMT_RGB48LE)
153rgb48funcs(rgb, BE, PIX_FMT_RGB48BE)
154rgb48funcs(bgr, LE, PIX_FMT_BGR48LE)
155rgb48funcs(bgr, BE, PIX_FMT_BGR48BE)
156
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157#define input_pixel(i) ((origin == PIX_FMT_RGBA || \
158 origin == PIX_FMT_BGRA || \
159 origin == PIX_FMT_ARGB || \
160 origin == PIX_FMT_ABGR) \
161 ? AV_RN32A(&src[(i) * 4]) \
162 : (isBE(origin) ? AV_RB16(&src[(i) * 2]) \
163 : AV_RL16(&src[(i) * 2])))
164
165static av_always_inline void rgb16_32ToY_c_template(uint8_t *dst,
166 const uint8_t *src,
167 int width,
168 enum PixelFormat 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;
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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;
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181 int b = (px & maskb) >> shb;
182 int g = (px & maskg) >> shg;
183 int r = (px & maskr) >> shr;
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184
185 dst[i] = (ry * r + gy * g + by * b + rnd) >> S;
186 }
187}
188
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189static 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 PixelFormat 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)
2dd7a1c0 199{
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200 const int ru = RU << rsh, gu = GU << gsh, bu = BU << bsh,
201 rv = RV << rsh, gv = GV << gsh, bv = BV << bsh;
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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;
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207 int b = (px & maskb) >> shb;
208 int g = (px & maskg) >> shg;
209 int r = (px & maskr) >> shr;
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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
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216static 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 PixelFormat 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)
2dd7a1c0 226{
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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);
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230 const unsigned rnd = 257u << S;
231 int i;
232
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233 maskr |= maskr << 1;
234 maskb |= maskb << 1;
235 maskg |= maskg << 1;
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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;
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243 if (shp ||
244 origin == PIX_FMT_BGR565LE || origin == PIX_FMT_BGR565BE ||
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245 origin == PIX_FMT_RGB565LE || origin == PIX_FMT_RGB565BE) {
246 g >>= shg;
247 } else {
9b75ae05 248 g = (g & maskg) >> shg;
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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
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259#define rgb16_32_wrapper(fmt, name, shr, shg, shb, shp, maskr, \
260 maskg, maskb, rsh, gsh, bsh, S) \
261static 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 \
268static 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 \
277static 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
288rgb16_32_wrapper(PIX_FMT_BGR32, bgr32, 16, 0, 0, 0, 0xFF0000, 0xFF00, 0x00FF, 8, 0, 8, RGB2YUV_SHIFT + 8)
289rgb16_32_wrapper(PIX_FMT_BGR32_1, bgr321, 16, 0, 0, 8, 0xFF0000, 0xFF00, 0x00FF, 8, 0, 8, RGB2YUV_SHIFT + 8)
290rgb16_32_wrapper(PIX_FMT_RGB32, rgb32, 0, 0, 16, 0, 0x00FF, 0xFF00, 0xFF0000, 8, 0, 8, RGB2YUV_SHIFT + 8)
291rgb16_32_wrapper(PIX_FMT_RGB32_1, rgb321, 0, 0, 16, 8, 0x00FF, 0xFF00, 0xFF0000, 8, 0, 8, RGB2YUV_SHIFT + 8)
292rgb16_32_wrapper(PIX_FMT_BGR565LE, bgr16le, 0, 0, 0, 0, 0x001F, 0x07E0, 0xF800, 11, 5, 0, RGB2YUV_SHIFT + 8)
293rgb16_32_wrapper(PIX_FMT_BGR555LE, bgr15le, 0, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, 10, 5, 0, RGB2YUV_SHIFT + 7)
294rgb16_32_wrapper(PIX_FMT_BGR444LE, bgr12le, 0, 0, 0, 0, 0x000F, 0x00F0, 0x0F00, 8, 4, 0, RGB2YUV_SHIFT + 4)
295rgb16_32_wrapper(PIX_FMT_RGB565LE, rgb16le, 0, 0, 0, 0, 0xF800, 0x07E0, 0x001F, 0, 5, 11, RGB2YUV_SHIFT + 8)
296rgb16_32_wrapper(PIX_FMT_RGB555LE, rgb15le, 0, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, 0, 5, 10, RGB2YUV_SHIFT + 7)
297rgb16_32_wrapper(PIX_FMT_RGB444LE, rgb12le, 0, 0, 0, 0, 0x0F00, 0x00F0, 0x000F, 0, 4, 8, RGB2YUV_SHIFT + 4)
298rgb16_32_wrapper(PIX_FMT_BGR565BE, bgr16be, 0, 0, 0, 0, 0x001F, 0x07E0, 0xF800, 11, 5, 0, RGB2YUV_SHIFT + 8)
299rgb16_32_wrapper(PIX_FMT_BGR555BE, bgr15be, 0, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, 10, 5, 0, RGB2YUV_SHIFT + 7)
300rgb16_32_wrapper(PIX_FMT_BGR444BE, bgr12be, 0, 0, 0, 0, 0x000F, 0x00F0, 0x0F00, 8, 4, 0, RGB2YUV_SHIFT + 4)
301rgb16_32_wrapper(PIX_FMT_RGB565BE, rgb16be, 0, 0, 0, 0, 0xF800, 0x07E0, 0x001F, 0, 5, 11, RGB2YUV_SHIFT + 8)
302rgb16_32_wrapper(PIX_FMT_RGB555BE, rgb15be, 0, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, 0, 5, 10, RGB2YUV_SHIFT + 7)
303rgb16_32_wrapper(PIX_FMT_RGB444BE, rgb12be, 0, 0, 0, 0, 0x0F00, 0x00F0, 0x000F, 0, 4, 8, RGB2YUV_SHIFT + 4)
304
305static void abgrToA_c(uint8_t *dst, const uint8_t *src, int width,
306 uint32_t *unused)
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307{
308 int i;
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309 for (i = 0; i < width; i++)
310 dst[i] = src[4 * i];
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311}
312
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313static void rgbaToA_c(uint8_t *dst, const uint8_t *src, int width,
314 uint32_t *unused)
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315{
316 int i;
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317 for (i = 0; i < width; i++)
318 dst[i] = src[4 * i + 3];
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319}
320
321static void palToY_c(uint8_t *dst, const uint8_t *src, int width, uint32_t *pal)
322{
323 int i;
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324 for (i = 0; i < width; i++) {
325 int d = src[i];
2dd7a1c0 326
9b75ae05 327 dst[i] = pal[d] & 0xFF;
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328 }
329}
330
331static 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);
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337 for (i = 0; i < width; i++) {
338 int p = pal[src1[i]];
2dd7a1c0 339
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340 dstU[i] = p >> 8;
341 dstV[i] = p >> 16;
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342 }
343}
344
345static void monowhite2Y_c(uint8_t *dst, const uint8_t *src,
346 int width, uint32_t *unused)
347{
348 int i, j;
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349 width = (width + 7) >> 3;
350 for (i = 0; i < width; i++) {
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351 int d = ~src[i];
352 for (j = 0; j < 8; j++)
353 dst[8 * i + j] = ((d >> (7 - j)) & 1) * 255;
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354 }
355}
356
357static void monoblack2Y_c(uint8_t *dst, const uint8_t *src,
358 int width, uint32_t *unused)
359{
360 int i, j;
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361 width = (width + 7) >> 3;
362 for (i = 0; i < width; i++) {
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363 int d = src[i];
364 for (j = 0; j < 8; j++)
365 dst[8 * i + j] = ((d >> (7 - j)) & 1) * 255;
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366 }
367}
368
369static void yuy2ToY_c(uint8_t *dst, const uint8_t *src, int width,
370 uint32_t *unused)
371{
372 int i;
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373 for (i = 0; i < width; i++)
374 dst[i] = src[2 * i];
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375}
376
377static 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;
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381 for (i = 0; i < width; i++) {
382 dstU[i] = src1[4 * i + 1];
383 dstV[i] = src1[4 * i + 3];
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384 }
385 assert(src1 == src2);
386}
387
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388static void bswap16Y_c(uint8_t *_dst, const uint8_t *_src, int width,
389 uint32_t *unused)
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390{
391 int i;
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392 const uint16_t *src = (const uint16_t *)_src;
393 uint16_t *dst = (uint16_t *)_dst;
394 for (i = 0; i < width; i++)
2dd7a1c0 395 dst[i] = av_bswap16(src[i]);
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396}
397
398static void bswap16UV_c(uint8_t *_dstU, uint8_t *_dstV, const uint8_t *_src1,
399 const uint8_t *_src2, int width, uint32_t *unused)
400{
401 int i;
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402 const uint16_t *src1 = (const uint16_t *)_src1,
403 *src2 = (const uint16_t *)_src2;
404 uint16_t *dstU = (uint16_t *)_dstU, *dstV = (uint16_t *)_dstV;
405 for (i = 0; i < width; i++) {
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406 dstU[i] = av_bswap16(src1[i]);
407 dstV[i] = av_bswap16(src2[i]);
408 }
409}
410
411/* This is almost identical to the previous, end exists only because
9b75ae05 412 * yuy2ToY/UV)(dst, src + 1, ...) would have 100% unaligned accesses. */
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413static void uyvyToY_c(uint8_t *dst, const uint8_t *src, int width,
414 uint32_t *unused)
415{
416 int i;
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417 for (i = 0; i < width; i++)
418 dst[i] = src[2 * i + 1];
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419}
420
421static void uyvyToUV_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1,
422 const uint8_t *src2, int width, uint32_t *unused)
423{
424 int i;
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425 for (i = 0; i < width; i++) {
426 dstU[i] = src1[4 * i + 0];
427 dstV[i] = src1[4 * i + 2];
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428 }
429 assert(src1 == src2);
430}
431
432static av_always_inline void nvXXtoUV_c(uint8_t *dst1, uint8_t *dst2,
433 const uint8_t *src, int width)
434{
435 int i;
436 for (i = 0; i < width; i++) {
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437 dst1[i] = src[2 * i + 0];
438 dst2[i] = src[2 * i + 1];
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439 }
440}
441
442static void nv12ToUV_c(uint8_t *dstU, uint8_t *dstV,
443 const uint8_t *src1, const uint8_t *src2,
444 int width, uint32_t *unused)
445{
446 nvXXtoUV_c(dstU, dstV, src1, width);
447}
448
449static void nv21ToUV_c(uint8_t *dstU, uint8_t *dstV,
450 const uint8_t *src1, const uint8_t *src2,
451 int width, uint32_t *unused)
452{
453 nvXXtoUV_c(dstV, dstU, src1, width);
454}
455
456#define input_pixel(pos) (isBE(origin) ? AV_RB16(pos) : AV_RL16(pos))
457
458static void bgr24ToY_c(uint8_t *dst, const uint8_t *src,
459 int width, uint32_t *unused)
460{
461 int i;
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462 for (i = 0; i < width; i++) {
463 int b = src[i * 3 + 0];
464 int g = src[i * 3 + 1];
465 int r = src[i * 3 + 2];
2dd7a1c0 466
9b75ae05 467 dst[i] = ((RY * r + GY * g + BY * b + (33 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT);
2dd7a1c0
RB
468 }
469}
470
471static void bgr24ToUV_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1,
472 const uint8_t *src2, int width, uint32_t *unused)
473{
474 int i;
9b75ae05
DB
475 for (i = 0; i < width; i++) {
476 int b = src1[3 * i + 0];
477 int g = src1[3 * i + 1];
478 int r = src1[3 * i + 2];
2dd7a1c0 479
9b75ae05
DB
480 dstU[i] = (RU * r + GU * g + BU * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
481 dstV[i] = (RV * r + GV * g + BV * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
2dd7a1c0
RB
482 }
483 assert(src1 == src2);
484}
485
486static void bgr24ToUV_half_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1,
487 const uint8_t *src2, int width, uint32_t *unused)
488{
489 int i;
9b75ae05
DB
490 for (i = 0; i < width; i++) {
491 int b = src1[6 * i + 0] + src1[6 * i + 3];
492 int g = src1[6 * i + 1] + src1[6 * i + 4];
493 int r = src1[6 * i + 2] + src1[6 * i + 5];
2dd7a1c0 494
9b75ae05
DB
495 dstU[i] = (RU * r + GU * g + BU * b + (257 << RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT + 1);
496 dstV[i] = (RV * r + GV * g + BV * b + (257 << RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT + 1);
2dd7a1c0
RB
497 }
498 assert(src1 == src2);
499}
500
501static void rgb24ToY_c(uint8_t *dst, const uint8_t *src, int width,
502 uint32_t *unused)
503{
504 int i;
9b75ae05
DB
505 for (i = 0; i < width; i++) {
506 int r = src[i * 3 + 0];
507 int g = src[i * 3 + 1];
508 int b = src[i * 3 + 2];
2dd7a1c0 509
9b75ae05 510 dst[i] = ((RY * r + GY * g + BY * b + (33 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT);
2dd7a1c0
RB
511 }
512}
513
514static void rgb24ToUV_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;
9b75ae05
DB
518 assert(src1 == src2);
519 for (i = 0; i < width; i++) {
520 int r = src1[3 * i + 0];
521 int g = src1[3 * i + 1];
522 int b = src1[3 * i + 2];
523
524 dstU[i] = (RU * r + GU * g + BU * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
525 dstV[i] = (RV * r + GV * g + BV * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
2dd7a1c0
RB
526 }
527}
528
529static void rgb24ToUV_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;
9b75ae05
DB
533 assert(src1 == src2);
534 for (i = 0; i < width; i++) {
535 int r = src1[6 * i + 0] + src1[6 * i + 3];
536 int g = src1[6 * i + 1] + src1[6 * i + 4];
537 int b = src1[6 * i + 2] + src1[6 * i + 5];
538
539 dstU[i] = (RU * r + GU * g + BU * b + (257 << RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT + 1);
540 dstV[i] = (RV * r + GV * g + BV * b + (257 << RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT + 1);
2dd7a1c0
RB
541 }
542}
543
544static void planar_rgb_to_y(uint8_t *dst, const uint8_t *src[4], int width)
545{
546 int i;
547 for (i = 0; i < width; i++) {
548 int g = src[0][i];
549 int b = src[1][i];
550 int r = src[2][i];
551
552 dst[i] = ((RY * r + GY * g + BY * b + (33 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT);
553 }
554}
555
404410a5 556static void planar_rgb_to_uv(uint8_t *dstU, uint8_t *dstV, const uint8_t *src[4], int width)
2dd7a1c0
RB
557{
558 int i;
2dd7a1c0 559 for (i = 0; i < width; i++) {
404410a5
RB
560 int g = src[0][i];
561 int b = src[1][i];
562 int r = src[2][i];
2dd7a1c0 563
404410a5
RB
564 dstU[i] = (RU * r + GU * g + BU * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
565 dstV[i] = (RV * r + GV * g + BV * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
2dd7a1c0
RB
566 }
567}
568
404410a5
RB
569#define rdpx(src) \
570 is_be ? AV_RB16(src) : AV_RL16(src)
571static av_always_inline void planar_rgb16_to_y(uint8_t *_dst, const uint8_t *_src[4],
572 int width, int bpc, int is_be)
2dd7a1c0
RB
573{
574 int i;
9b75ae05
DB
575 const uint16_t **src = (const uint16_t **)_src;
576 uint16_t *dst = (uint16_t *)_dst;
2dd7a1c0 577 for (i = 0; i < width; i++) {
404410a5
RB
578 int g = rdpx(src[0] + i);
579 int b = rdpx(src[1] + i);
580 int r = rdpx(src[2] + i);
2dd7a1c0 581
404410a5 582 dst[i] = ((RY * r + GY * g + BY * b + (33 << (RGB2YUV_SHIFT + bpc - 9))) >> RGB2YUV_SHIFT);
2dd7a1c0
RB
583 }
584}
585
404410a5 586static void planar_rgb9le_to_y(uint8_t *dst, const uint8_t *src[4], int w)
2dd7a1c0 587{
404410a5
RB
588 planar_rgb16_to_y(dst, src, w, 9, 0);
589}
2dd7a1c0 590
404410a5
RB
591static void planar_rgb9be_to_y(uint8_t *dst, const uint8_t *src[4], int w)
592{
593 planar_rgb16_to_y(dst, src, w, 9, 1);
2dd7a1c0
RB
594}
595
404410a5 596static void planar_rgb10le_to_y(uint8_t *dst, const uint8_t *src[4], int w)
2dd7a1c0 597{
404410a5
RB
598 planar_rgb16_to_y(dst, src, w, 10, 0);
599}
2dd7a1c0 600
404410a5
RB
601static void planar_rgb10be_to_y(uint8_t *dst, const uint8_t *src[4], int w)
602{
603 planar_rgb16_to_y(dst, src, w, 10, 1);
2dd7a1c0
RB
604}
605
404410a5
RB
606static void planar_rgb16le_to_y(uint8_t *dst, const uint8_t *src[4], int w)
607{
608 planar_rgb16_to_y(dst, src, w, 16, 0);
609}
610
611static void planar_rgb16be_to_y(uint8_t *dst, const uint8_t *src[4], int w)
612{
613 planar_rgb16_to_y(dst, src, w, 16, 1);
614}
615
616static av_always_inline void planar_rgb16_to_uv(uint8_t *_dstU, uint8_t *_dstV,
617 const uint8_t *_src[4], int width,
618 int bpc, int is_be)
2dd7a1c0
RB
619{
620 int i;
9b75ae05
DB
621 const uint16_t **src = (const uint16_t **)_src;
622 uint16_t *dstU = (uint16_t *)_dstU;
623 uint16_t *dstV = (uint16_t *)_dstV;
2dd7a1c0 624 for (i = 0; i < width; i++) {
404410a5
RB
625 int g = rdpx(src[0] + i);
626 int b = rdpx(src[1] + i);
627 int r = rdpx(src[2] + i);
2dd7a1c0 628
404410a5
RB
629 dstU[i] = (RU * r + GU * g + BU * b + (257 << (RGB2YUV_SHIFT + bpc - 9))) >> RGB2YUV_SHIFT;
630 dstV[i] = (RV * r + GV * g + BV * b + (257 << (RGB2YUV_SHIFT + bpc - 9))) >> RGB2YUV_SHIFT;
2dd7a1c0
RB
631 }
632}
404410a5
RB
633#undef rdpx
634
635static void planar_rgb9le_to_uv(uint8_t *dstU, uint8_t *dstV,
636 const uint8_t *src[4], int w)
637{
638 planar_rgb16_to_uv(dstU, dstV, src, w, 9, 0);
639}
640
641static void planar_rgb9be_to_uv(uint8_t *dstU, uint8_t *dstV,
642 const uint8_t *src[4], int w)
643{
644 planar_rgb16_to_uv(dstU, dstV, src, w, 9, 1);
645}
646
647static void planar_rgb10le_to_uv(uint8_t *dstU, uint8_t *dstV,
648 const uint8_t *src[4], int w)
649{
650 planar_rgb16_to_uv(dstU, dstV, src, w, 10, 0);
651}
652
653static void planar_rgb10be_to_uv(uint8_t *dstU, uint8_t *dstV,
654 const uint8_t *src[4], int w)
655{
656 planar_rgb16_to_uv(dstU, dstV, src, w, 10, 1);
657}
658
659static void planar_rgb16le_to_uv(uint8_t *dstU, uint8_t *dstV,
660 const uint8_t *src[4], int w)
661{
662 planar_rgb16_to_uv(dstU, dstV, src, w, 16, 0);
663}
664
665static void planar_rgb16be_to_uv(uint8_t *dstU, uint8_t *dstV,
666 const uint8_t *src[4], int w)
667{
668 planar_rgb16_to_uv(dstU, dstV, src, w, 16, 1);
669}
2dd7a1c0
RB
670
671av_cold void ff_sws_init_input_funcs(SwsContext *c)
672{
673 enum PixelFormat srcFormat = c->srcFormat;
674
675 c->chrToYV12 = NULL;
9b75ae05
DB
676 switch (srcFormat) {
677 case PIX_FMT_YUYV422:
678 c->chrToYV12 = yuy2ToUV_c;
679 break;
680 case PIX_FMT_UYVY422:
681 c->chrToYV12 = uyvyToUV_c;
682 break;
683 case PIX_FMT_NV12:
684 c->chrToYV12 = nv12ToUV_c;
685 break;
686 case PIX_FMT_NV21:
687 c->chrToYV12 = nv21ToUV_c;
688 break;
689 case PIX_FMT_RGB8:
690 case PIX_FMT_BGR8:
691 case PIX_FMT_PAL8:
692 case PIX_FMT_BGR4_BYTE:
693 case PIX_FMT_RGB4_BYTE:
694 c->chrToYV12 = palToUV_c;
695 break;
696 case PIX_FMT_GBRP9LE:
404410a5
RB
697 c->readChrPlanar = planar_rgb9le_to_uv;
698 break;
9b75ae05 699 case PIX_FMT_GBRP10LE:
404410a5
RB
700 c->readChrPlanar = planar_rgb10le_to_uv;
701 break;
9b75ae05
DB
702 case PIX_FMT_GBRP16LE:
703 c->readChrPlanar = planar_rgb16le_to_uv;
704 break;
705 case PIX_FMT_GBRP9BE:
404410a5
RB
706 c->readChrPlanar = planar_rgb9be_to_uv;
707 break;
9b75ae05 708 case PIX_FMT_GBRP10BE:
404410a5
RB
709 c->readChrPlanar = planar_rgb10be_to_uv;
710 break;
9b75ae05
DB
711 case PIX_FMT_GBRP16BE:
712 c->readChrPlanar = planar_rgb16be_to_uv;
713 break;
714 case PIX_FMT_GBRP:
715 c->readChrPlanar = planar_rgb_to_uv;
716 break;
2dd7a1c0 717#if HAVE_BIGENDIAN
9b75ae05
DB
718 case PIX_FMT_YUV444P9LE:
719 case PIX_FMT_YUV422P9LE:
720 case PIX_FMT_YUV420P9LE:
721 case PIX_FMT_YUV422P10LE:
722 case PIX_FMT_YUV444P10LE:
723 case PIX_FMT_YUV420P10LE:
724 case PIX_FMT_YUV420P16LE:
725 case PIX_FMT_YUV422P16LE:
726 case PIX_FMT_YUV444P16LE:
727 c->chrToYV12 = bswap16UV_c;
728 break;
2dd7a1c0 729#else
9b75ae05
DB
730 case PIX_FMT_YUV444P9BE:
731 case PIX_FMT_YUV422P9BE:
732 case PIX_FMT_YUV420P9BE:
733 case PIX_FMT_YUV444P10BE:
734 case PIX_FMT_YUV422P10BE:
735 case PIX_FMT_YUV420P10BE:
736 case PIX_FMT_YUV420P16BE:
737 case PIX_FMT_YUV422P16BE:
738 case PIX_FMT_YUV444P16BE:
739 c->chrToYV12 = bswap16UV_c;
740 break;
2dd7a1c0
RB
741#endif
742 }
743 if (c->chrSrcHSubSample) {
9b75ae05
DB
744 switch (srcFormat) {
745 case PIX_FMT_RGB48BE:
746 c->chrToYV12 = rgb48BEToUV_half_c;
747 break;
748 case PIX_FMT_RGB48LE:
749 c->chrToYV12 = rgb48LEToUV_half_c;
750 break;
751 case PIX_FMT_BGR48BE:
752 c->chrToYV12 = bgr48BEToUV_half_c;
753 break;
754 case PIX_FMT_BGR48LE:
755 c->chrToYV12 = bgr48LEToUV_half_c;
756 break;
757 case PIX_FMT_RGB32:
758 c->chrToYV12 = bgr32ToUV_half_c;
759 break;
760 case PIX_FMT_RGB32_1:
761 c->chrToYV12 = bgr321ToUV_half_c;
762 break;
763 case PIX_FMT_BGR24:
764 c->chrToYV12 = bgr24ToUV_half_c;
765 break;
766 case PIX_FMT_BGR565LE:
767 c->chrToYV12 = bgr16leToUV_half_c;
768 break;
769 case PIX_FMT_BGR565BE:
770 c->chrToYV12 = bgr16beToUV_half_c;
771 break;
772 case PIX_FMT_BGR555LE:
773 c->chrToYV12 = bgr15leToUV_half_c;
774 break;
775 case PIX_FMT_BGR555BE:
776 c->chrToYV12 = bgr15beToUV_half_c;
777 break;
778 case PIX_FMT_BGR444LE:
779 c->chrToYV12 = bgr12leToUV_half_c;
780 break;
781 case PIX_FMT_BGR444BE:
782 c->chrToYV12 = bgr12beToUV_half_c;
783 break;
784 case PIX_FMT_BGR32:
785 c->chrToYV12 = rgb32ToUV_half_c;
786 break;
787 case PIX_FMT_BGR32_1:
788 c->chrToYV12 = rgb321ToUV_half_c;
789 break;
790 case PIX_FMT_RGB24:
791 c->chrToYV12 = rgb24ToUV_half_c;
792 break;
793 case PIX_FMT_RGB565LE:
794 c->chrToYV12 = rgb16leToUV_half_c;
795 break;
796 case PIX_FMT_RGB565BE:
797 c->chrToYV12 = rgb16beToUV_half_c;
798 break;
799 case PIX_FMT_RGB555LE:
800 c->chrToYV12 = rgb15leToUV_half_c;
801 break;
802 case PIX_FMT_RGB555BE:
803 c->chrToYV12 = rgb15beToUV_half_c;
804 break;
805 case PIX_FMT_RGB444LE:
806 c->chrToYV12 = rgb12leToUV_half_c;
807 break;
808 case PIX_FMT_RGB444BE:
809 c->chrToYV12 = rgb12beToUV_half_c;
810 break;
2dd7a1c0
RB
811 }
812 } else {
9b75ae05
DB
813 switch (srcFormat) {
814 case PIX_FMT_RGB48BE:
815 c->chrToYV12 = rgb48BEToUV_c;
816 break;
817 case PIX_FMT_RGB48LE:
818 c->chrToYV12 = rgb48LEToUV_c;
819 break;
820 case PIX_FMT_BGR48BE:
821 c->chrToYV12 = bgr48BEToUV_c;
822 break;
823 case PIX_FMT_BGR48LE:
824 c->chrToYV12 = bgr48LEToUV_c;
825 break;
826 case PIX_FMT_RGB32:
827 c->chrToYV12 = bgr32ToUV_c;
828 break;
829 case PIX_FMT_RGB32_1:
830 c->chrToYV12 = bgr321ToUV_c;
831 break;
832 case PIX_FMT_BGR24:
833 c->chrToYV12 = bgr24ToUV_c;
834 break;
835 case PIX_FMT_BGR565LE:
836 c->chrToYV12 = bgr16leToUV_c;
837 break;
838 case PIX_FMT_BGR565BE:
839 c->chrToYV12 = bgr16beToUV_c;
840 break;
841 case PIX_FMT_BGR555LE:
842 c->chrToYV12 = bgr15leToUV_c;
843 break;
844 case PIX_FMT_BGR555BE:
845 c->chrToYV12 = bgr15beToUV_c;
846 break;
847 case PIX_FMT_BGR444LE:
848 c->chrToYV12 = bgr12leToUV_c;
849 break;
850 case PIX_FMT_BGR444BE:
851 c->chrToYV12 = bgr12beToUV_c;
852 break;
853 case PIX_FMT_BGR32:
854 c->chrToYV12 = rgb32ToUV_c;
855 break;
856 case PIX_FMT_BGR32_1:
857 c->chrToYV12 = rgb321ToUV_c;
858 break;
859 case PIX_FMT_RGB24:
860 c->chrToYV12 = rgb24ToUV_c;
861 break;
862 case PIX_FMT_RGB565LE:
863 c->chrToYV12 = rgb16leToUV_c;
864 break;
865 case PIX_FMT_RGB565BE:
866 c->chrToYV12 = rgb16beToUV_c;
867 break;
868 case PIX_FMT_RGB555LE:
869 c->chrToYV12 = rgb15leToUV_c;
870 break;
871 case PIX_FMT_RGB555BE:
872 c->chrToYV12 = rgb15beToUV_c;
873 break;
874 case PIX_FMT_RGB444LE:
875 c->chrToYV12 = rgb12leToUV_c;
876 break;
877 case PIX_FMT_RGB444BE:
878 c->chrToYV12 = rgb12beToUV_c;
879 break;
2dd7a1c0
RB
880 }
881 }
882
883 c->lumToYV12 = NULL;
884 c->alpToYV12 = NULL;
885 switch (srcFormat) {
886 case PIX_FMT_GBRP9LE:
404410a5
RB
887 c->readLumPlanar = planar_rgb9le_to_y;
888 break;
2dd7a1c0 889 case PIX_FMT_GBRP10LE:
404410a5
RB
890 c->readLumPlanar = planar_rgb10le_to_y;
891 break;
9b75ae05
DB
892 case PIX_FMT_GBRP16LE:
893 c->readLumPlanar = planar_rgb16le_to_y;
894 break;
2dd7a1c0 895 case PIX_FMT_GBRP9BE:
404410a5
RB
896 c->readLumPlanar = planar_rgb9be_to_y;
897 break;
2dd7a1c0 898 case PIX_FMT_GBRP10BE:
404410a5
RB
899 c->readLumPlanar = planar_rgb10be_to_y;
900 break;
9b75ae05
DB
901 case PIX_FMT_GBRP16BE:
902 c->readLumPlanar = planar_rgb16be_to_y;
903 break;
904 case PIX_FMT_GBRP:
905 c->readLumPlanar = planar_rgb_to_y;
906 break;
2dd7a1c0
RB
907#if HAVE_BIGENDIAN
908 case PIX_FMT_YUV444P9LE:
909 case PIX_FMT_YUV422P9LE:
910 case PIX_FMT_YUV420P9LE:
911 case PIX_FMT_YUV444P10LE:
912 case PIX_FMT_YUV422P10LE:
913 case PIX_FMT_YUV420P10LE:
914 case PIX_FMT_YUV420P16LE:
915 case PIX_FMT_YUV422P16LE:
916 case PIX_FMT_YUV444P16LE:
9b75ae05
DB
917 case PIX_FMT_GRAY16LE:
918 c->lumToYV12 = bswap16Y_c;
919 break;
2dd7a1c0
RB
920#else
921 case PIX_FMT_YUV444P9BE:
922 case PIX_FMT_YUV422P9BE:
923 case PIX_FMT_YUV420P9BE:
924 case PIX_FMT_YUV444P10BE:
925 case PIX_FMT_YUV422P10BE:
926 case PIX_FMT_YUV420P10BE:
927 case PIX_FMT_YUV420P16BE:
928 case PIX_FMT_YUV422P16BE:
929 case PIX_FMT_YUV444P16BE:
9b75ae05
DB
930 case PIX_FMT_GRAY16BE:
931 c->lumToYV12 = bswap16Y_c;
932 break;
2dd7a1c0 933#endif
9b75ae05
DB
934 case PIX_FMT_YUYV422:
935 case PIX_FMT_Y400A:
936 c->lumToYV12 = yuy2ToY_c;
937 break;
938 case PIX_FMT_UYVY422:
939 c->lumToYV12 = uyvyToY_c;
940 break;
941 case PIX_FMT_BGR24:
942 c->lumToYV12 = bgr24ToY_c;
943 break;
944 case PIX_FMT_BGR565LE:
945 c->lumToYV12 = bgr16leToY_c;
946 break;
947 case PIX_FMT_BGR565BE:
948 c->lumToYV12 = bgr16beToY_c;
949 break;
950 case PIX_FMT_BGR555LE:
951 c->lumToYV12 = bgr15leToY_c;
952 break;
953 case PIX_FMT_BGR555BE:
954 c->lumToYV12 = bgr15beToY_c;
955 break;
956 case PIX_FMT_BGR444LE:
957 c->lumToYV12 = bgr12leToY_c;
958 break;
959 case PIX_FMT_BGR444BE:
960 c->lumToYV12 = bgr12beToY_c;
961 break;
962 case PIX_FMT_RGB24:
963 c->lumToYV12 = rgb24ToY_c;
964 break;
965 case PIX_FMT_RGB565LE:
966 c->lumToYV12 = rgb16leToY_c;
967 break;
968 case PIX_FMT_RGB565BE:
969 c->lumToYV12 = rgb16beToY_c;
970 break;
971 case PIX_FMT_RGB555LE:
972 c->lumToYV12 = rgb15leToY_c;
973 break;
974 case PIX_FMT_RGB555BE:
975 c->lumToYV12 = rgb15beToY_c;
976 break;
977 case PIX_FMT_RGB444LE:
978 c->lumToYV12 = rgb12leToY_c;
979 break;
980 case PIX_FMT_RGB444BE:
981 c->lumToYV12 = rgb12beToY_c;
982 break;
983 case PIX_FMT_RGB8:
984 case PIX_FMT_BGR8:
985 case PIX_FMT_PAL8:
2dd7a1c0 986 case PIX_FMT_BGR4_BYTE:
9b75ae05
DB
987 case PIX_FMT_RGB4_BYTE:
988 c->lumToYV12 = palToY_c;
989 break;
990 case PIX_FMT_MONOBLACK:
991 c->lumToYV12 = monoblack2Y_c;
992 break;
993 case PIX_FMT_MONOWHITE:
994 c->lumToYV12 = monowhite2Y_c;
995 break;
996 case PIX_FMT_RGB32:
997 c->lumToYV12 = bgr32ToY_c;
998 break;
999 case PIX_FMT_RGB32_1:
1000 c->lumToYV12 = bgr321ToY_c;
1001 break;
1002 case PIX_FMT_BGR32:
1003 c->lumToYV12 = rgb32ToY_c;
1004 break;
1005 case PIX_FMT_BGR32_1:
1006 c->lumToYV12 = rgb321ToY_c;
1007 break;
1008 case PIX_FMT_RGB48BE:
1009 c->lumToYV12 = rgb48BEToY_c;
1010 break;
1011 case PIX_FMT_RGB48LE:
1012 c->lumToYV12 = rgb48LEToY_c;
1013 break;
1014 case PIX_FMT_BGR48BE:
1015 c->lumToYV12 = bgr48BEToY_c;
1016 break;
1017 case PIX_FMT_BGR48LE:
1018 c->lumToYV12 = bgr48LEToY_c;
1019 break;
2dd7a1c0
RB
1020 }
1021 if (c->alpPixBuf) {
1022 switch (srcFormat) {
1023 case PIX_FMT_BGRA:
9b75ae05
DB
1024 case PIX_FMT_RGBA:
1025 c->alpToYV12 = rgbaToA_c;
1026 break;
2dd7a1c0 1027 case PIX_FMT_ABGR:
9b75ae05
DB
1028 case PIX_FMT_ARGB:
1029 c->alpToYV12 = abgrToA_c;
1030 break;
1031 case PIX_FMT_Y400A:
1032 c->alpToYV12 = uyvyToY_c;
1033 break;
2dd7a1c0
RB
1034 }
1035 }
1036}