remove palette8torgb15 and palette8tobgr15
[libav.git] / libswscale / rgb2rgb.c
CommitLineData
fcfbc150 1/*
8a322796
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2 * software RGB to RGB converter
3 * pluralize by software PAL8 to RGB converter
4 * software YUV to YUV converter
5 * software YUV to RGB converter
6 * Written by Nick Kurshev.
7 * palette & YUV & runtime CPU stuff by Michael (michaelni@gmx.at)
4fadc2b4 8 *
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9 * This file is part of FFmpeg.
10 *
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11 * FFmpeg is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
4fadc2b4 15 *
d026b45e 16 * FFmpeg is distributed in the hope that it will be useful,
4fadc2b4 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
4fadc2b4 20 *
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21 * You should have received a copy of the GNU Lesser General Public
22 * License along with FFmpeg; if not, write to the Free Software
b19bcbaa 23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
a3aece93 24 */
b234ae81 25#include <inttypes.h>
b2d374c9 26#include "config.h"
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27#include "libavutil/x86_cpu.h"
28#include "libavutil/bswap.h"
b234ae81 29#include "rgb2rgb.h"
700490a4 30#include "swscale.h"
94c4def2 31#include "swscale_internal.h"
a3aece93 32
8a322796 33#define FAST_BGR2YV12 // use 7-bit instead of 15-bit coefficients
21316f3c 34
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35void (*rgb24tobgr32)(const uint8_t *src, uint8_t *dst, long src_size);
36void (*rgb24tobgr16)(const uint8_t *src, uint8_t *dst, long src_size);
37void (*rgb24tobgr15)(const uint8_t *src, uint8_t *dst, long src_size);
38void (*rgb32tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
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39void (*rgb32to16)(const uint8_t *src, uint8_t *dst, long src_size);
40void (*rgb32to15)(const uint8_t *src, uint8_t *dst, long src_size);
41void (*rgb15to16)(const uint8_t *src, uint8_t *dst, long src_size);
6107059c 42void (*rgb15tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
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43void (*rgb15to32)(const uint8_t *src, uint8_t *dst, long src_size);
44void (*rgb16to15)(const uint8_t *src, uint8_t *dst, long src_size);
6107059c 45void (*rgb16tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
30c48a0a 46void (*rgb16to32)(const uint8_t *src, uint8_t *dst, long src_size);
7f526efd 47void (*rgb24tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
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48void (*rgb24to16)(const uint8_t *src, uint8_t *dst, long src_size);
49void (*rgb24to15)(const uint8_t *src, uint8_t *dst, long src_size);
7f526efd 50void (*rgb32tobgr32)(const uint8_t *src, uint8_t *dst, long src_size);
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51void (*rgb32tobgr16)(const uint8_t *src, uint8_t *dst, long src_size);
52void (*rgb32tobgr15)(const uint8_t *src, uint8_t *dst, long src_size);
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53
54void (*yv12toyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
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55 long width, long height,
56 long lumStride, long chromStride, long dstStride);
caeaabe7 57void (*yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
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58 long width, long height,
59 long lumStride, long chromStride, long dstStride);
700490a4 60void (*yuv422ptoyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
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61 long width, long height,
62 long lumStride, long chromStride, long dstStride);
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63void (*yuv422ptouyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
64 long width, long height,
65 long lumStride, long chromStride, long dstStride);
700490a4 66void (*yuy2toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
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67 long width, long height,
68 long lumStride, long chromStride, long srcStride);
700490a4 69void (*rgb24toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
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70 long width, long height,
71 long lumStride, long chromStride, long srcStride);
7f526efd 72void (*planar2x)(const uint8_t *src, uint8_t *dst, long width, long height,
6e42e6c4 73 long srcStride, long dstStride);
a959e247 74void (*interleaveBytes)(const uint8_t *src1, const uint8_t *src2, uint8_t *dst,
6e42e6c4
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75 long width, long height, long src1Stride,
76 long src2Stride, long dstStride);
700490a4 77void (*vu9_to_vu12)(const uint8_t *src1, const uint8_t *src2,
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78 uint8_t *dst1, uint8_t *dst2,
79 long width, long height,
80 long srcStride1, long srcStride2,
81 long dstStride1, long dstStride2);
700490a4 82void (*yvu9_to_yuy2)(const uint8_t *src1, const uint8_t *src2, const uint8_t *src3,
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83 uint8_t *dst,
84 long width, long height,
85 long srcStride1, long srcStride2,
86 long srcStride3, long dstStride);
0411072e 87void (*uyvytoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
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88 long width, long height,
89 long lumStride, long chromStride, long srcStride);
0411072e 90void (*uyvytoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
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91 long width, long height,
92 long lumStride, long chromStride, long srcStride);
0411072e 93void (*yuyvtoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
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94 long width, long height,
95 long lumStride, long chromStride, long srcStride);
0411072e 96void (*yuyvtoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
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97 long width, long height,
98 long lumStride, long chromStride, long srcStride);
0411072e 99
700490a4 100
819ee683 101#if ARCH_X86
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102DECLARE_ASM_CONST(8, uint64_t, mmx_null) = 0x0000000000000000ULL;
103DECLARE_ASM_CONST(8, uint64_t, mmx_one) = 0xFFFFFFFFFFFFFFFFULL;
104DECLARE_ASM_CONST(8, uint64_t, mask32b) = 0x000000FF000000FFULL;
105DECLARE_ASM_CONST(8, uint64_t, mask32g) = 0x0000FF000000FF00ULL;
106DECLARE_ASM_CONST(8, uint64_t, mask32r) = 0x00FF000000FF0000ULL;
f8a138be 107DECLARE_ASM_CONST(8, uint64_t, mask32a) = 0xFF000000FF000000ULL;
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108DECLARE_ASM_CONST(8, uint64_t, mask32) = 0x00FFFFFF00FFFFFFULL;
109DECLARE_ASM_CONST(8, uint64_t, mask3216br) = 0x00F800F800F800F8ULL;
110DECLARE_ASM_CONST(8, uint64_t, mask3216g) = 0x0000FC000000FC00ULL;
111DECLARE_ASM_CONST(8, uint64_t, mask3215g) = 0x0000F8000000F800ULL;
112DECLARE_ASM_CONST(8, uint64_t, mul3216) = 0x2000000420000004ULL;
113DECLARE_ASM_CONST(8, uint64_t, mul3215) = 0x2000000820000008ULL;
114DECLARE_ASM_CONST(8, uint64_t, mask24b) = 0x00FF0000FF0000FFULL;
115DECLARE_ASM_CONST(8, uint64_t, mask24g) = 0xFF0000FF0000FF00ULL;
116DECLARE_ASM_CONST(8, uint64_t, mask24r) = 0x0000FF0000FF0000ULL;
117DECLARE_ASM_CONST(8, uint64_t, mask24l) = 0x0000000000FFFFFFULL;
118DECLARE_ASM_CONST(8, uint64_t, mask24h) = 0x0000FFFFFF000000ULL;
119DECLARE_ASM_CONST(8, uint64_t, mask24hh) = 0xffff000000000000ULL;
120DECLARE_ASM_CONST(8, uint64_t, mask24hhh) = 0xffffffff00000000ULL;
121DECLARE_ASM_CONST(8, uint64_t, mask24hhhh) = 0xffffffffffff0000ULL;
122DECLARE_ASM_CONST(8, uint64_t, mask15b) = 0x001F001F001F001FULL; /* 00000000 00011111 xxB */
123DECLARE_ASM_CONST(8, uint64_t, mask15rg) = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000 RGx */
124DECLARE_ASM_CONST(8, uint64_t, mask15s) = 0xFFE0FFE0FFE0FFE0ULL;
125DECLARE_ASM_CONST(8, uint64_t, mask15g) = 0x03E003E003E003E0ULL;
126DECLARE_ASM_CONST(8, uint64_t, mask15r) = 0x7C007C007C007C00ULL;
0d9f3d85 127#define mask16b mask15b
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128DECLARE_ASM_CONST(8, uint64_t, mask16g) = 0x07E007E007E007E0ULL;
129DECLARE_ASM_CONST(8, uint64_t, mask16r) = 0xF800F800F800F800ULL;
130DECLARE_ASM_CONST(8, uint64_t, red_16mask) = 0x0000f8000000f800ULL;
131DECLARE_ASM_CONST(8, uint64_t, green_16mask) = 0x000007e0000007e0ULL;
132DECLARE_ASM_CONST(8, uint64_t, blue_16mask) = 0x0000001f0000001fULL;
133DECLARE_ASM_CONST(8, uint64_t, red_15mask) = 0x00007c0000007c00ULL;
134DECLARE_ASM_CONST(8, uint64_t, green_15mask) = 0x000003e0000003e0ULL;
135DECLARE_ASM_CONST(8, uint64_t, blue_15mask) = 0x0000001f0000001fULL;
b63f641e 136#endif /* ARCH_X86 */
79811694 137
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138#define RGB2YUV_SHIFT 8
139#define BY ((int)( 0.098*(1<<RGB2YUV_SHIFT)+0.5))
140#define BV ((int)(-0.071*(1<<RGB2YUV_SHIFT)+0.5))
141#define BU ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
142#define GY ((int)( 0.504*(1<<RGB2YUV_SHIFT)+0.5))
143#define GV ((int)(-0.368*(1<<RGB2YUV_SHIFT)+0.5))
144#define GU ((int)(-0.291*(1<<RGB2YUV_SHIFT)+0.5))
145#define RY ((int)( 0.257*(1<<RGB2YUV_SHIFT)+0.5))
146#define RV ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
147#define RU ((int)(-0.148*(1<<RGB2YUV_SHIFT)+0.5))
148
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149//Note: We have C, MMX, MMX2, 3DNOW versions, there is no 3DNOW + MMX2 one.
150//plain C versions
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151#undef HAVE_MMX
152#undef HAVE_MMX2
f4406ec1 153#undef HAVE_AMD3DNOW
52075cde 154#undef HAVE_SSE2
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155#define HAVE_MMX 0
156#define HAVE_MMX2 0
f4406ec1 157#define HAVE_AMD3DNOW 0
b63f641e 158#define HAVE_SSE2 0
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159#define RENAME(a) a ## _C
160#include "rgb2rgb_template.c"
161
819ee683 162#if ARCH_X86
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163
164//MMX versions
165#undef RENAME
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166#undef HAVE_MMX
167#define HAVE_MMX 1
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168#define RENAME(a) a ## _MMX
169#include "rgb2rgb_template.c"
170
171//MMX2 versions
172#undef RENAME
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173#undef HAVE_MMX2
174#define HAVE_MMX2 1
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175#define RENAME(a) a ## _MMX2
176#include "rgb2rgb_template.c"
177
178//3DNOW versions
179#undef RENAME
1de97d84 180#undef HAVE_MMX2
f4406ec1 181#undef HAVE_AMD3DNOW
b63f641e 182#define HAVE_MMX2 0
f4406ec1 183#define HAVE_AMD3DNOW 1
abdcd337 184#define RENAME(a) a ## _3DNOW
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185#include "rgb2rgb_template.c"
186
6e1c66bc 187#endif //ARCH_X86 || ARCH_X86_64
b238eb2e 188
a3aece93 189/*
8a322796 190 RGB15->RGB16 original by Strepto/Astral
a3aece93 191 ported to gcc & bugfixed : A'rpi
51da31f1 192 MMX2, 3DNOW optimization by Nick Kurshev
8a322796 193 32-bit C version, and and&add trick by Michael Niedermayer
a3aece93 194*/
fcfbc150 195
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RP
196void sws_rgb2rgb_init(int flags)
197{
819ee683 198#if HAVE_MMX2 || HAVE_AMD3DNOW || HAVE_MMX
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DB
199 if (flags & SWS_CPU_CAPS_MMX2)
200 rgb2rgb_init_MMX2();
201 else if (flags & SWS_CPU_CAPS_3DNOW)
202 rgb2rgb_init_3DNOW();
203 else if (flags & SWS_CPU_CAPS_MMX)
204 rgb2rgb_init_MMX();
205 else
f4406ec1 206#endif /* HAVE_MMX2 || HAVE_AMD3DNOW || HAVE_MMX */
6e42e6c4 207 rgb2rgb_init_C();
ac4d0aea 208}
700490a4 209
fcfbc150 210/**
522ce957 211 * Convert the palette to the same packet 32-bit format as the palette
fcfbc150 212 */
522ce957 213void palette8topacked32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
fcfbc150 214{
6e42e6c4 215 long i;
9780c7ff 216
6e42e6c4 217 for (i=0; i<num_pixels; i++)
522ce957 218 ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i]];
6c1baeb0 219}
6c1baeb0 220
9ce6584e 221/**
522ce957 222 * Palette format: ABCD -> dst format: ABC
9ce6584e 223 */
522ce957 224void palette8topacked24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
9ce6584e 225{
6e42e6c4 226 long i;
9ce6584e 227
dd68318c 228 for (i=0; i<num_pixels; i++) {
6e42e6c4 229 //FIXME slow?
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230 dst[0]= palette[src[i]*4+0];
231 dst[1]= palette[src[i]*4+1];
232 dst[2]= palette[src[i]*4+2];
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DB
233 dst+= 3;
234 }
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AB
235}
236
fcfbc150 237/**
8a322796 238 * Palette is assumed to contain BGR16, see rgb32to16 to convert the palette.
fcfbc150 239 */
7f526efd 240void palette8torgb16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
fcfbc150 241{
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DB
242 long i;
243 for (i=0; i<num_pixels; i++)
774c386a 244 ((uint16_t *)dst)[i] = ((const uint16_t *)palette)[src[i]];
fcfbc150 245}
7f526efd 246void palette8tobgr16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
6c1baeb0 247{
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DB
248 long i;
249 for (i=0; i<num_pixels; i++)
774c386a 250 ((uint16_t *)dst)[i] = bswap_16(((const uint16_t *)palette)[src[i]]);
6c1baeb0 251}
fcfbc150 252
6107059c 253void rgb32to24(const uint8_t *src, uint8_t *dst, long src_size)
ac4d0aea 254{
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DB
255 long i;
256 long num_pixels = src_size >> 2;
dd68318c 257 for (i=0; i<num_pixels; i++) {
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258#if HAVE_BIGENDIAN
259 /* RGB32 (= A,B,G,R) -> BGR24 (= B,G,R) */
260 dst[3*i + 0] = src[4*i + 1];
261 dst[3*i + 1] = src[4*i + 2];
262 dst[3*i + 2] = src[4*i + 3];
263#else
264 dst[3*i + 0] = src[4*i + 2];
265 dst[3*i + 1] = src[4*i + 1];
266 dst[3*i + 2] = src[4*i + 0];
267#endif
6e42e6c4 268 }
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269}
270
6107059c 271void rgb24to32(const uint8_t *src, uint8_t *dst, long src_size)
ac4d0aea 272{
6e42e6c4 273 long i;
dd68318c 274 for (i=0; 3*i<src_size; i++) {
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RP
275#if HAVE_BIGENDIAN
276 /* RGB24 (= R,G,B) -> BGR32 (= A,R,G,B) */
277 dst[4*i + 0] = 255;
278 dst[4*i + 1] = src[3*i + 0];
279 dst[4*i + 2] = src[3*i + 1];
280 dst[4*i + 3] = src[3*i + 2];
281#else
282 dst[4*i + 0] = src[3*i + 2];
283 dst[4*i + 1] = src[3*i + 1];
284 dst[4*i + 2] = src[3*i + 0];
285 dst[4*i + 3] = 255;
286#endif
6e42e6c4 287 }
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288}
289
7f526efd 290void rgb16tobgr32(const uint8_t *src, uint8_t *dst, long src_size)
ac4d0aea 291{
6e42e6c4 292 const uint16_t *end;
72d6b610 293 uint8_t *d = dst;
774c386a 294 const uint16_t *s = (const uint16_t *)src;
6e42e6c4 295 end = s + src_size/2;
dd68318c 296 while (s < end) {
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DB
297 register uint16_t bgr;
298 bgr = *s++;
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RP
299#if HAVE_BIGENDIAN
300 *d++ = 255;
301 *d++ = (bgr&0x1F)<<3;
302 *d++ = (bgr&0x7E0)>>3;
303 *d++ = (bgr&0xF800)>>8;
304#else
305 *d++ = (bgr&0xF800)>>8;
306 *d++ = (bgr&0x7E0)>>3;
307 *d++ = (bgr&0x1F)<<3;
308 *d++ = 255;
309#endif
6e42e6c4 310 }
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311}
312
6107059c 313void rgb16to24(const uint8_t *src, uint8_t *dst, long src_size)
ac4d0aea 314{
6e42e6c4 315 const uint16_t *end;
72d6b610 316 uint8_t *d = dst;
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DB
317 const uint16_t *s = (const uint16_t *)src;
318 end = s + src_size/2;
dd68318c 319 while (s < end) {
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320 register uint16_t bgr;
321 bgr = *s++;
322 *d++ = (bgr&0xF800)>>8;
323 *d++ = (bgr&0x7E0)>>3;
324 *d++ = (bgr&0x1F)<<3;
325 }
ac4d0aea
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326}
327
7f526efd 328void rgb16tobgr16(const uint8_t *src, uint8_t *dst, long src_size)
ac4d0aea 329{
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DB
330 long i;
331 long num_pixels = src_size >> 1;
332
dd68318c 333 for (i=0; i<num_pixels; i++) {
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334 unsigned rgb = ((const uint16_t*)src)[i];
335 ((uint16_t*)dst)[i] = (rgb>>11) | (rgb&0x7E0) | (rgb<<11);
6e42e6c4 336 }
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337}
338
7f526efd 339void rgb16tobgr15(const uint8_t *src, uint8_t *dst, long src_size)
ac4d0aea 340{
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DB
341 long i;
342 long num_pixels = src_size >> 1;
343
dd68318c 344 for (i=0; i<num_pixels; i++) {
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345 unsigned rgb = ((const uint16_t*)src)[i];
346 ((uint16_t*)dst)[i] = (rgb>>11) | ((rgb&0x7C0)>>1) | ((rgb&0x1F)<<10);
6e42e6c4 347 }
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348}
349
7f526efd 350void rgb15tobgr32(const uint8_t *src, uint8_t *dst, long src_size)
ac4d0aea 351{
6e42e6c4 352 const uint16_t *end;
72d6b610 353 uint8_t *d = dst;
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DB
354 const uint16_t *s = (const uint16_t *)src;
355 end = s + src_size/2;
dd68318c 356 while (s < end) {
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DB
357 register uint16_t bgr;
358 bgr = *s++;
7d73d1c3
RP
359#if HAVE_BIGENDIAN
360 *d++ = 255;
361 *d++ = (bgr&0x1F)<<3;
362 *d++ = (bgr&0x3E0)>>2;
363 *d++ = (bgr&0x7C00)>>7;
364#else
365 *d++ = (bgr&0x7C00)>>7;
366 *d++ = (bgr&0x3E0)>>2;
367 *d++ = (bgr&0x1F)<<3;
368 *d++ = 255;
369#endif
6e42e6c4 370 }
ac4d0aea
MN
371}
372
6107059c 373void rgb15to24(const uint8_t *src, uint8_t *dst, long src_size)
ac4d0aea 374{
6e42e6c4 375 const uint16_t *end;
72d6b610 376 uint8_t *d = dst;
774c386a 377 const uint16_t *s = (const uint16_t *)src;
6e42e6c4 378 end = s + src_size/2;
dd68318c 379 while (s < end) {
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DB
380 register uint16_t bgr;
381 bgr = *s++;
382 *d++ = (bgr&0x7C00)>>7;
383 *d++ = (bgr&0x3E0)>>2;
384 *d++ = (bgr&0x1F)<<3;
385 }
ac4d0aea
MN
386}
387
7f526efd 388void rgb15tobgr16(const uint8_t *src, uint8_t *dst, long src_size)
ac4d0aea 389{
6e42e6c4
DB
390 long i;
391 long num_pixels = src_size >> 1;
392
dd68318c 393 for (i=0; i<num_pixels; i++) {
7372e9bb
MN
394 unsigned rgb = ((const uint16_t*)src)[i];
395 ((uint16_t*)dst)[i] = ((rgb&0x7C00)>>10) | ((rgb&0x3E0)<<1) | (rgb<<11);
6e42e6c4 396 }
ac4d0aea
MN
397}
398
7f526efd 399void rgb15tobgr15(const uint8_t *src, uint8_t *dst, long src_size)
ac4d0aea 400{
6e42e6c4
DB
401 long i;
402 long num_pixels = src_size >> 1;
403
dd68318c 404 for (i=0; i<num_pixels; i++) {
7372e9bb
MN
405 unsigned br;
406 unsigned rgb = ((const uint16_t*)src)[i];
407 br = rgb&0x7c1F;
408 ((uint16_t*)dst)[i] = (br>>10) | (rgb&0x3E0) | (br<<10);
6e42e6c4 409 }
ac4d0aea
MN
410}
411
6107059c 412void bgr8torgb8(const uint8_t *src, uint8_t *dst, long src_size)
ac4d0aea 413{
6e42e6c4
DB
414 long i;
415 long num_pixels = src_size;
dd68318c 416 for (i=0; i<num_pixels; i++) {
6e42e6c4
DB
417 unsigned b,g,r;
418 register uint8_t rgb;
419 rgb = src[i];
420 r = (rgb&0x07);
421 g = (rgb&0x38)>>3;
422 b = (rgb&0xC0)>>6;
423 dst[i] = ((b<<1)&0x07) | ((g&0x07)<<3) | ((r&0x03)<<6);
424 }
ac4d0aea 425}
82e5f86b
SS
426
427#define DEFINE_SHUFFLE_BYTES(a, b, c, d) \
428void shuffle_bytes_##a##b##c##d(const uint8_t *src, uint8_t *dst, long src_size) \
429{ \
430 long i; \
431 \
432 for (i = 0; i < src_size; i+=4) { \
433 dst[i + 0] = src[i + a]; \
434 dst[i + 1] = src[i + b]; \
435 dst[i + 2] = src[i + c]; \
436 dst[i + 3] = src[i + d]; \
437 } \
438}
439
440DEFINE_SHUFFLE_BYTES(0, 3, 2, 1);
441DEFINE_SHUFFLE_BYTES(1, 2, 3, 0);
442DEFINE_SHUFFLE_BYTES(2, 1, 0, 3);
443DEFINE_SHUFFLE_BYTES(3, 0, 1, 2);
444DEFINE_SHUFFLE_BYTES(3, 2, 1, 0);
445