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  • Committer: William Grant
  • Date: 2007-02-03 03:16:07 UTC
  • mto: This revision was merged to the branch mainline in revision 16.
  • Revision ID: william.grant@ubuntu.org.au-20070203031607-08gc2ompbz6spt9i
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postproc/rgb2rgb.c
1
 
/*
2
 
 *
3
 
 *  rgb2rgb.c, Software RGB to RGB convertor
4
 
 *  pluralize by Software PAL8 to RGB convertor
5
 
 *               Software YUV to YUV convertor
6
 
 *               Software YUV to RGB convertor
7
 
 *  Written by Nick Kurshev.
8
 
 *  palette & yuv & runtime cpu stuff by Michael (michaelni@gmx.at) (under GPL)
9
 
 */
10
 
#include <inttypes.h>
11
 
#include "config.h"
12
 
#include "rgb2rgb.h"
13
 
#include "swscale.h"
14
 
#include "cpudetect.h"
15
 
#include "mangle.h"
16
 
#include "bswap.h"
17
 
#include "libvo/fastmemcpy.h"
18
 
 
19
 
#define FAST_BGR2YV12 // use 7 bit coeffs instead of 15bit
20
 
 
21
 
void (*rgb24to32)(const uint8_t *src,uint8_t *dst,long src_size);
22
 
void (*rgb24to16)(const uint8_t *src,uint8_t *dst,long src_size);
23
 
void (*rgb24to15)(const uint8_t *src,uint8_t *dst,long src_size);
24
 
void (*rgb32to24)(const uint8_t *src,uint8_t *dst,long src_size);
25
 
void (*rgb32to16)(const uint8_t *src,uint8_t *dst,long src_size);
26
 
void (*rgb32to15)(const uint8_t *src,uint8_t *dst,long src_size);
27
 
void (*rgb15to16)(const uint8_t *src,uint8_t *dst,long src_size);
28
 
void (*rgb15to24)(const uint8_t *src,uint8_t *dst,long src_size);
29
 
void (*rgb15to32)(const uint8_t *src,uint8_t *dst,long src_size);
30
 
void (*rgb16to15)(const uint8_t *src,uint8_t *dst,long src_size);
31
 
void (*rgb16to24)(const uint8_t *src,uint8_t *dst,long src_size);
32
 
void (*rgb16to32)(const uint8_t *src,uint8_t *dst,long src_size);
33
 
//void (*rgb24tobgr32)(const uint8_t *src, uint8_t *dst, long src_size);
34
 
void (*rgb24tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
35
 
void (*rgb24tobgr16)(const uint8_t *src, uint8_t *dst, long src_size);
36
 
void (*rgb24tobgr15)(const uint8_t *src, uint8_t *dst, long src_size);
37
 
void (*rgb32tobgr32)(const uint8_t *src, uint8_t *dst, long src_size);
38
 
//void (*rgb32tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
39
 
void (*rgb32tobgr16)(const uint8_t *src, uint8_t *dst, long src_size);
40
 
void (*rgb32tobgr15)(const uint8_t *src, uint8_t *dst, long src_size);
41
 
 
42
 
void (*yv12toyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
43
 
        long width, long height,
44
 
        long lumStride, long chromStride, long dstStride);
45
 
void (*yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
46
 
        long width, long height,
47
 
        long lumStride, long chromStride, long dstStride);
48
 
void (*yuv422ptoyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
49
 
        long width, long height,
50
 
        long lumStride, long chromStride, long dstStride);
51
 
void (*yuy2toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
52
 
        long width, long height,
53
 
        long lumStride, long chromStride, long srcStride);
54
 
void (*rgb24toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
55
 
        long width, long height,
56
 
        long lumStride, long chromStride, long srcStride);
57
 
void (*planar2x)(const uint8_t *src, uint8_t *dst, long width, long height,
58
 
        long srcStride, long dstStride);
59
 
void (*interleaveBytes)(uint8_t *src1, uint8_t *src2, uint8_t *dst,
60
 
                            long width, long height, long src1Stride,
61
 
                            long src2Stride, long dstStride);
62
 
void (*vu9_to_vu12)(const uint8_t *src1, const uint8_t *src2,
63
 
                        uint8_t *dst1, uint8_t *dst2,
64
 
                        long width, long height,
65
 
                        long srcStride1, long srcStride2,
66
 
                        long dstStride1, long dstStride2);
67
 
void (*yvu9_to_yuy2)(const uint8_t *src1, const uint8_t *src2, const uint8_t *src3,
68
 
                        uint8_t *dst,
69
 
                        long width, long height,
70
 
                        long srcStride1, long srcStride2,
71
 
                        long srcStride3, long dstStride);
72
 
 
73
 
#if defined(ARCH_X86) || defined(ARCH_X86_64)
74
 
static const uint64_t mmx_null  __attribute__((aligned(8))) = 0x0000000000000000ULL;
75
 
static const uint64_t mmx_one   __attribute__((aligned(8))) = 0xFFFFFFFFFFFFFFFFULL;
76
 
static const uint64_t mask32b  attribute_used __attribute__((aligned(8))) = 0x000000FF000000FFULL;
77
 
static const uint64_t mask32g  attribute_used __attribute__((aligned(8))) = 0x0000FF000000FF00ULL;
78
 
static const uint64_t mask32r  attribute_used __attribute__((aligned(8))) = 0x00FF000000FF0000ULL;
79
 
static const uint64_t mask32   __attribute__((aligned(8))) = 0x00FFFFFF00FFFFFFULL;
80
 
static const uint64_t mask3216br __attribute__((aligned(8)))=0x00F800F800F800F8ULL;
81
 
static const uint64_t mask3216g  __attribute__((aligned(8)))=0x0000FC000000FC00ULL;
82
 
static const uint64_t mask3215g  __attribute__((aligned(8)))=0x0000F8000000F800ULL;
83
 
static const uint64_t mul3216  __attribute__((aligned(8))) = 0x2000000420000004ULL;
84
 
static const uint64_t mul3215  __attribute__((aligned(8))) = 0x2000000820000008ULL;
85
 
static const uint64_t mask24b  attribute_used __attribute__((aligned(8))) = 0x00FF0000FF0000FFULL;
86
 
static const uint64_t mask24g  attribute_used __attribute__((aligned(8))) = 0xFF0000FF0000FF00ULL;
87
 
static const uint64_t mask24r  attribute_used __attribute__((aligned(8))) = 0x0000FF0000FF0000ULL;
88
 
static const uint64_t mask24l  __attribute__((aligned(8))) = 0x0000000000FFFFFFULL;
89
 
static const uint64_t mask24h  __attribute__((aligned(8))) = 0x0000FFFFFF000000ULL;
90
 
static const uint64_t mask24hh  __attribute__((aligned(8))) = 0xffff000000000000ULL;
91
 
static const uint64_t mask24hhh  __attribute__((aligned(8))) = 0xffffffff00000000ULL;
92
 
static const uint64_t mask24hhhh  __attribute__((aligned(8))) = 0xffffffffffff0000ULL;
93
 
static const uint64_t mask15b  __attribute__((aligned(8))) = 0x001F001F001F001FULL; /* 00000000 00011111  xxB */
94
 
static const uint64_t mask15rg __attribute__((aligned(8))) = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000  RGx */
95
 
static const uint64_t mask15s  __attribute__((aligned(8))) = 0xFFE0FFE0FFE0FFE0ULL;
96
 
static const uint64_t mask15g  __attribute__((aligned(8))) = 0x03E003E003E003E0ULL;
97
 
static const uint64_t mask15r  __attribute__((aligned(8))) = 0x7C007C007C007C00ULL;
98
 
#define mask16b mask15b
99
 
static const uint64_t mask16g  __attribute__((aligned(8))) = 0x07E007E007E007E0ULL;
100
 
static const uint64_t mask16r  __attribute__((aligned(8))) = 0xF800F800F800F800ULL;
101
 
static const uint64_t red_16mask  __attribute__((aligned(8))) = 0x0000f8000000f800ULL;
102
 
static const uint64_t green_16mask __attribute__((aligned(8)))= 0x000007e0000007e0ULL;
103
 
static const uint64_t blue_16mask __attribute__((aligned(8))) = 0x0000001f0000001fULL;
104
 
static const uint64_t red_15mask  __attribute__((aligned(8))) = 0x00007c000000f800ULL;
105
 
static const uint64_t green_15mask __attribute__((aligned(8)))= 0x000003e0000007e0ULL;
106
 
static const uint64_t blue_15mask __attribute__((aligned(8))) = 0x0000001f0000001fULL;
107
 
 
108
 
#ifdef FAST_BGR2YV12
109
 
static const uint64_t bgr2YCoeff  attribute_used __attribute__((aligned(8))) = 0x000000210041000DULL;
110
 
static const uint64_t bgr2UCoeff  attribute_used __attribute__((aligned(8))) = 0x0000FFEEFFDC0038ULL;
111
 
static const uint64_t bgr2VCoeff  attribute_used __attribute__((aligned(8))) = 0x00000038FFD2FFF8ULL;
112
 
#else
113
 
static const uint64_t bgr2YCoeff  attribute_used __attribute__((aligned(8))) = 0x000020E540830C8BULL;
114
 
static const uint64_t bgr2UCoeff  attribute_used __attribute__((aligned(8))) = 0x0000ED0FDAC23831ULL;
115
 
static const uint64_t bgr2VCoeff  attribute_used __attribute__((aligned(8))) = 0x00003831D0E6F6EAULL;
116
 
#endif
117
 
static const uint64_t bgr2YOffset attribute_used __attribute__((aligned(8))) = 0x1010101010101010ULL;
118
 
static const uint64_t bgr2UVOffset attribute_used __attribute__((aligned(8)))= 0x8080808080808080ULL;
119
 
static const uint64_t w1111       attribute_used __attribute__((aligned(8))) = 0x0001000100010001ULL;
120
 
 
121
 
#if 0
122
 
static volatile uint64_t __attribute__((aligned(8))) b5Dither;
123
 
static volatile uint64_t __attribute__((aligned(8))) g5Dither;
124
 
static volatile uint64_t __attribute__((aligned(8))) g6Dither;
125
 
static volatile uint64_t __attribute__((aligned(8))) r5Dither;
126
 
 
127
 
static uint64_t __attribute__((aligned(8))) dither4[2]={
128
 
        0x0103010301030103LL,
129
 
        0x0200020002000200LL,};
130
 
 
131
 
static uint64_t __attribute__((aligned(8))) dither8[2]={
132
 
        0x0602060206020602LL,
133
 
        0x0004000400040004LL,};
134
 
#endif
135
 
#endif
136
 
 
137
 
#define RGB2YUV_SHIFT 8
138
 
#define BY ((int)( 0.098*(1<<RGB2YUV_SHIFT)+0.5))
139
 
#define BV ((int)(-0.071*(1<<RGB2YUV_SHIFT)+0.5))
140
 
#define BU ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
141
 
#define GY ((int)( 0.504*(1<<RGB2YUV_SHIFT)+0.5))
142
 
#define GV ((int)(-0.368*(1<<RGB2YUV_SHIFT)+0.5))
143
 
#define GU ((int)(-0.291*(1<<RGB2YUV_SHIFT)+0.5))
144
 
#define RY ((int)( 0.257*(1<<RGB2YUV_SHIFT)+0.5))
145
 
#define RV ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
146
 
#define RU ((int)(-0.148*(1<<RGB2YUV_SHIFT)+0.5))
147
 
 
148
 
//Note: we have C, MMX, MMX2, 3DNOW version therse no 3DNOW+MMX2 one
149
 
//Plain C versions
150
 
#undef HAVE_MMX
151
 
#undef HAVE_MMX2
152
 
#undef HAVE_3DNOW
153
 
#undef HAVE_SSE2
154
 
#define RENAME(a) a ## _C
155
 
#include "rgb2rgb_template.c"
156
 
 
157
 
#if defined(ARCH_X86) || defined(ARCH_X86_64)
158
 
 
159
 
//MMX versions
160
 
#undef RENAME
161
 
#define HAVE_MMX
162
 
#undef HAVE_MMX2
163
 
#undef HAVE_3DNOW
164
 
#undef HAVE_SSE2
165
 
#define RENAME(a) a ## _MMX
166
 
#include "rgb2rgb_template.c"
167
 
 
168
 
//MMX2 versions
169
 
#undef RENAME
170
 
#define HAVE_MMX
171
 
#define HAVE_MMX2
172
 
#undef HAVE_3DNOW
173
 
#undef HAVE_SSE2
174
 
#define RENAME(a) a ## _MMX2
175
 
#include "rgb2rgb_template.c"
176
 
 
177
 
//3DNOW versions
178
 
#undef RENAME
179
 
#define HAVE_MMX
180
 
#undef HAVE_MMX2
181
 
#define HAVE_3DNOW
182
 
#undef HAVE_SSE2
183
 
#define RENAME(a) a ## _3DNOW
184
 
#include "rgb2rgb_template.c"
185
 
 
186
 
#endif //ARCH_X86 || ARCH_X86_64
187
 
 
188
 
/*
189
 
 rgb15->rgb16 Original by Strepto/Astral
190
 
 ported to gcc & bugfixed : A'rpi
191
 
 MMX2, 3DNOW optimization by Nick Kurshev
192
 
 32bit c version, and and&add trick by Michael Niedermayer
193
 
*/
194
 
 
195
 
void sws_rgb2rgb_init(int flags){
196
 
#if defined(ARCH_X86) || defined(ARCH_X86_64)
197
 
        if(flags & SWS_CPU_CAPS_MMX2){
198
 
                rgb15to16= rgb15to16_MMX2;
199
 
                rgb15to24= rgb15to24_MMX2;
200
 
                rgb15to32= rgb15to32_MMX2;
201
 
                rgb16to24= rgb16to24_MMX2;
202
 
                rgb16to32= rgb16to32_MMX2;
203
 
                rgb16to15= rgb16to15_MMX2;
204
 
                rgb24to16= rgb24to16_MMX2;
205
 
                rgb24to15= rgb24to15_MMX2;
206
 
                rgb24to32= rgb24to32_MMX2;
207
 
                rgb32to16= rgb32to16_MMX2;
208
 
                rgb32to15= rgb32to15_MMX2;
209
 
                rgb32to24= rgb32to24_MMX2;
210
 
                rgb24tobgr15= rgb24tobgr15_MMX2;
211
 
                rgb24tobgr16= rgb24tobgr16_MMX2;
212
 
                rgb24tobgr24= rgb24tobgr24_MMX2;
213
 
                rgb32tobgr32= rgb32tobgr32_MMX2;
214
 
                rgb32tobgr16= rgb32tobgr16_MMX2;
215
 
                rgb32tobgr15= rgb32tobgr15_MMX2;
216
 
                yv12toyuy2= yv12toyuy2_MMX2;
217
 
                yv12touyvy= yv12touyvy_MMX2;
218
 
                yuv422ptoyuy2= yuv422ptoyuy2_MMX2;
219
 
                yuy2toyv12= yuy2toyv12_MMX2;
220
 
//              uyvytoyv12= uyvytoyv12_MMX2;
221
 
//              yvu9toyv12= yvu9toyv12_MMX2;
222
 
                planar2x= planar2x_MMX2;
223
 
                rgb24toyv12= rgb24toyv12_MMX2;
224
 
                interleaveBytes= interleaveBytes_MMX2;
225
 
                vu9_to_vu12= vu9_to_vu12_MMX2;
226
 
                yvu9_to_yuy2= yvu9_to_yuy2_MMX2;
227
 
        }else if(flags & SWS_CPU_CAPS_3DNOW){
228
 
                rgb15to16= rgb15to16_3DNOW;
229
 
                rgb15to24= rgb15to24_3DNOW;
230
 
                rgb15to32= rgb15to32_3DNOW;
231
 
                rgb16to24= rgb16to24_3DNOW;
232
 
                rgb16to32= rgb16to32_3DNOW;
233
 
                rgb16to15= rgb16to15_3DNOW;
234
 
                rgb24to16= rgb24to16_3DNOW;
235
 
                rgb24to15= rgb24to15_3DNOW;
236
 
                rgb24to32= rgb24to32_3DNOW;
237
 
                rgb32to16= rgb32to16_3DNOW;
238
 
                rgb32to15= rgb32to15_3DNOW;
239
 
                rgb32to24= rgb32to24_3DNOW;
240
 
                rgb24tobgr15= rgb24tobgr15_3DNOW;
241
 
                rgb24tobgr16= rgb24tobgr16_3DNOW;
242
 
                rgb24tobgr24= rgb24tobgr24_3DNOW;
243
 
                rgb32tobgr32= rgb32tobgr32_3DNOW;
244
 
                rgb32tobgr16= rgb32tobgr16_3DNOW;
245
 
                rgb32tobgr15= rgb32tobgr15_3DNOW;
246
 
                yv12toyuy2= yv12toyuy2_3DNOW;
247
 
                yv12touyvy= yv12touyvy_3DNOW;
248
 
                yuv422ptoyuy2= yuv422ptoyuy2_3DNOW;
249
 
                yuy2toyv12= yuy2toyv12_3DNOW;
250
 
//              uyvytoyv12= uyvytoyv12_3DNOW;
251
 
//              yvu9toyv12= yvu9toyv12_3DNOW;
252
 
                planar2x= planar2x_3DNOW;
253
 
                rgb24toyv12= rgb24toyv12_3DNOW;
254
 
                interleaveBytes= interleaveBytes_3DNOW;
255
 
                vu9_to_vu12= vu9_to_vu12_3DNOW;
256
 
                yvu9_to_yuy2= yvu9_to_yuy2_3DNOW;
257
 
        }else if(flags & SWS_CPU_CAPS_MMX){
258
 
                rgb15to16= rgb15to16_MMX;
259
 
                rgb15to24= rgb15to24_MMX;
260
 
                rgb15to32= rgb15to32_MMX;
261
 
                rgb16to24= rgb16to24_MMX;
262
 
                rgb16to32= rgb16to32_MMX;
263
 
                rgb16to15= rgb16to15_MMX;
264
 
                rgb24to16= rgb24to16_MMX;
265
 
                rgb24to15= rgb24to15_MMX;
266
 
                rgb24to32= rgb24to32_MMX;
267
 
                rgb32to16= rgb32to16_MMX;
268
 
                rgb32to15= rgb32to15_MMX;
269
 
                rgb32to24= rgb32to24_MMX;
270
 
                rgb24tobgr15= rgb24tobgr15_MMX;
271
 
                rgb24tobgr16= rgb24tobgr16_MMX;
272
 
                rgb24tobgr24= rgb24tobgr24_MMX;
273
 
                rgb32tobgr32= rgb32tobgr32_MMX;
274
 
                rgb32tobgr16= rgb32tobgr16_MMX;
275
 
                rgb32tobgr15= rgb32tobgr15_MMX;
276
 
                yv12toyuy2= yv12toyuy2_MMX;
277
 
                yv12touyvy= yv12touyvy_MMX;
278
 
                yuv422ptoyuy2= yuv422ptoyuy2_MMX;
279
 
                yuy2toyv12= yuy2toyv12_MMX;
280
 
//              uyvytoyv12= uyvytoyv12_MMX;
281
 
//              yvu9toyv12= yvu9toyv12_MMX;
282
 
                planar2x= planar2x_MMX;
283
 
                rgb24toyv12= rgb24toyv12_MMX;
284
 
                interleaveBytes= interleaveBytes_MMX;
285
 
                vu9_to_vu12= vu9_to_vu12_MMX;
286
 
                yvu9_to_yuy2= yvu9_to_yuy2_MMX;
287
 
        }else
288
 
#endif
289
 
        {
290
 
                rgb15to16= rgb15to16_C;
291
 
                rgb15to24= rgb15to24_C;
292
 
                rgb15to32= rgb15to32_C;
293
 
                rgb16to24= rgb16to24_C;
294
 
                rgb16to32= rgb16to32_C;
295
 
                rgb16to15= rgb16to15_C;
296
 
                rgb24to16= rgb24to16_C;
297
 
                rgb24to15= rgb24to15_C;
298
 
                rgb24to32= rgb24to32_C;
299
 
                rgb32to16= rgb32to16_C;
300
 
                rgb32to15= rgb32to15_C;
301
 
                rgb32to24= rgb32to24_C;
302
 
                rgb24tobgr15= rgb24tobgr15_C;
303
 
                rgb24tobgr16= rgb24tobgr16_C;
304
 
                rgb24tobgr24= rgb24tobgr24_C;
305
 
                rgb32tobgr32= rgb32tobgr32_C;
306
 
                rgb32tobgr16= rgb32tobgr16_C;
307
 
                rgb32tobgr15= rgb32tobgr15_C;
308
 
                yv12toyuy2= yv12toyuy2_C;
309
 
                yv12touyvy= yv12touyvy_C;
310
 
                yuv422ptoyuy2= yuv422ptoyuy2_C;
311
 
                yuy2toyv12= yuy2toyv12_C;
312
 
//              uyvytoyv12= uyvytoyv12_C;
313
 
//              yvu9toyv12= yvu9toyv12_C;
314
 
                planar2x= planar2x_C;
315
 
                rgb24toyv12= rgb24toyv12_C;
316
 
                interleaveBytes= interleaveBytes_C;
317
 
                vu9_to_vu12= vu9_to_vu12_C;
318
 
                yvu9_to_yuy2= yvu9_to_yuy2_C;
319
 
        }
320
 
}
321
 
 
322
 
/**
323
 
 * Pallete is assumed to contain bgr32
324
 
 */
325
 
void palette8torgb32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
326
 
{
327
 
        long i;
328
 
 
329
 
/*
330
 
        for(i=0; i<num_pixels; i++)
331
 
                ((unsigned *)dst)[i] = ((unsigned *)palette)[ src[i] ];
332
 
*/
333
 
 
334
 
        for(i=0; i<num_pixels; i++)
335
 
        {
336
 
                #ifdef WORDS_BIGENDIAN
337
 
                        dst[3]= palette[ src[i]*4+2 ];
338
 
                        dst[2]= palette[ src[i]*4+1 ];
339
 
                        dst[1]= palette[ src[i]*4+0 ];
340
 
                #else
341
 
                //FIXME slow?
342
 
                        dst[0]= palette[ src[i]*4+2 ];
343
 
                        dst[1]= palette[ src[i]*4+1 ];
344
 
                        dst[2]= palette[ src[i]*4+0 ];
345
 
                        //dst[3]= 0; /* do we need this cleansing? */
346
 
                #endif
347
 
                dst+= 4;
348
 
        }
349
 
}
350
 
 
351
 
void palette8tobgr32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
352
 
{
353
 
        long i;
354
 
        for(i=0; i<num_pixels; i++)
355
 
        {
356
 
                #ifdef WORDS_BIGENDIAN
357
 
                        dst[3]= palette[ src[i]*4+0 ];
358
 
                        dst[2]= palette[ src[i]*4+1 ];
359
 
                        dst[1]= palette[ src[i]*4+2 ];
360
 
                #else
361
 
                        //FIXME slow?
362
 
                        dst[0]= palette[ src[i]*4+0 ];
363
 
                        dst[1]= palette[ src[i]*4+1 ];
364
 
                        dst[2]= palette[ src[i]*4+2 ];
365
 
                        //dst[3]= 0; /* do we need this cleansing? */
366
 
                #endif
367
 
                
368
 
                dst+= 4;
369
 
        }
370
 
}
371
 
 
372
 
/**
373
 
 * Pallete is assumed to contain bgr32
374
 
 */
375
 
void palette8torgb24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
376
 
{
377
 
        long i;
378
 
/*
379
 
        writes 1 byte o much and might cause alignment issues on some architectures?
380
 
        for(i=0; i<num_pixels; i++)
381
 
                ((unsigned *)(&dst[i*3])) = ((unsigned *)palette)[ src[i] ];
382
 
*/
383
 
        for(i=0; i<num_pixels; i++)
384
 
        {
385
 
                //FIXME slow?
386
 
                dst[0]= palette[ src[i]*4+2 ];
387
 
                dst[1]= palette[ src[i]*4+1 ];
388
 
                dst[2]= palette[ src[i]*4+0 ];
389
 
                dst+= 3;
390
 
        }
391
 
}
392
 
 
393
 
void palette8tobgr24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
394
 
{
395
 
        long i;
396
 
/*
397
 
        writes 1 byte o much and might cause alignment issues on some architectures?
398
 
        for(i=0; i<num_pixels; i++)
399
 
                ((unsigned *)(&dst[i*3])) = ((unsigned *)palette)[ src[i] ];
400
 
*/
401
 
        for(i=0; i<num_pixels; i++)
402
 
        {
403
 
                //FIXME slow?
404
 
                dst[0]= palette[ src[i]*4+0 ];
405
 
                dst[1]= palette[ src[i]*4+1 ];
406
 
                dst[2]= palette[ src[i]*4+2 ];
407
 
                dst+= 3;
408
 
        }
409
 
}
410
 
 
411
 
/**
412
 
 * Palette is assumed to contain bgr16, see rgb32to16 to convert the palette
413
 
 */
414
 
void palette8torgb16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
415
 
{
416
 
        long i;
417
 
        for(i=0; i<num_pixels; i++)
418
 
                ((uint16_t *)dst)[i] = ((uint16_t *)palette)[ src[i] ];
419
 
}
420
 
void palette8tobgr16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
421
 
{
422
 
        long i;
423
 
        for(i=0; i<num_pixels; i++)
424
 
                ((uint16_t *)dst)[i] = bswap_16(((uint16_t *)palette)[ src[i] ]);
425
 
}
426
 
 
427
 
/**
428
 
 * Pallete is assumed to contain bgr15, see rgb32to15 to convert the palette
429
 
 */
430
 
void palette8torgb15(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
431
 
{
432
 
        long i;
433
 
        for(i=0; i<num_pixels; i++)
434
 
                ((uint16_t *)dst)[i] = ((uint16_t *)palette)[ src[i] ];
435
 
}
436
 
void palette8tobgr15(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
437
 
{
438
 
        long i;
439
 
        for(i=0; i<num_pixels; i++)
440
 
                ((uint16_t *)dst)[i] = bswap_16(((uint16_t *)palette)[ src[i] ]);
441
 
}
442
 
 
443
 
void rgb32tobgr24(const uint8_t *src, uint8_t *dst, long src_size)
444
 
{
445
 
        long i;
446
 
        long num_pixels = src_size >> 2;
447
 
        for(i=0; i<num_pixels; i++)
448
 
        {
449
 
                #ifdef WORDS_BIGENDIAN
450
 
                        /* RGB32 (= A,B,G,R) -> BGR24 (= B,G,R) */
451
 
                        dst[3*i + 0] = src[4*i + 1];
452
 
                        dst[3*i + 1] = src[4*i + 2];
453
 
                        dst[3*i + 2] = src[4*i + 3];
454
 
                #else
455
 
                        dst[3*i + 0] = src[4*i + 2];
456
 
                        dst[3*i + 1] = src[4*i + 1];
457
 
                        dst[3*i + 2] = src[4*i + 0];
458
 
                #endif
459
 
        }
460
 
}
461
 
 
462
 
void rgb24tobgr32(const uint8_t *src, uint8_t *dst, long src_size)
463
 
{
464
 
        long i;
465
 
        for(i=0; 3*i<src_size; i++)
466
 
        {
467
 
                #ifdef WORDS_BIGENDIAN
468
 
                        /* RGB24 (= R,G,B) -> BGR32 (= A,R,G,B) */
469
 
                        dst[4*i + 0] = 0;
470
 
                        dst[4*i + 1] = src[3*i + 0];
471
 
                        dst[4*i + 2] = src[3*i + 1];
472
 
                        dst[4*i + 3] = src[3*i + 2];
473
 
                #else
474
 
                        dst[4*i + 0] = src[3*i + 2];
475
 
                        dst[4*i + 1] = src[3*i + 1];
476
 
                        dst[4*i + 2] = src[3*i + 0];
477
 
                        dst[4*i + 3] = 0;
478
 
                #endif
479
 
        }
480
 
}
481
 
 
482
 
void rgb16tobgr32(const uint8_t *src, uint8_t *dst, long src_size)
483
 
{
484
 
        const uint16_t *end;
485
 
        uint8_t *d = (uint8_t *)dst;
486
 
        const uint16_t *s = (uint16_t *)src;
487
 
        end = s + src_size/2;
488
 
        while(s < end)
489
 
        {
490
 
                register uint16_t bgr;
491
 
                bgr = *s++;
492
 
                #ifdef WORDS_BIGENDIAN
493
 
                        *d++ = 0;
494
 
                        *d++ = (bgr&0x1F)<<3;
495
 
                        *d++ = (bgr&0x7E0)>>3;
496
 
                        *d++ = (bgr&0xF800)>>8;
497
 
                #else
498
 
                        *d++ = (bgr&0xF800)>>8;
499
 
                        *d++ = (bgr&0x7E0)>>3;
500
 
                        *d++ = (bgr&0x1F)<<3;
501
 
                        *d++ = 0;
502
 
                #endif
503
 
        }
504
 
}
505
 
 
506
 
void rgb16tobgr24(const uint8_t *src, uint8_t *dst, long src_size)
507
 
{
508
 
        const uint16_t *end;
509
 
        uint8_t *d = (uint8_t *)dst;
510
 
        const uint16_t *s = (const uint16_t *)src;
511
 
        end = s + src_size/2;
512
 
        while(s < end)
513
 
        {
514
 
                register uint16_t bgr;
515
 
                bgr = *s++;
516
 
                *d++ = (bgr&0xF800)>>8;
517
 
                *d++ = (bgr&0x7E0)>>3;
518
 
                *d++ = (bgr&0x1F)<<3;
519
 
        }
520
 
}
521
 
 
522
 
void rgb16tobgr16(const uint8_t *src, uint8_t *dst, long src_size)
523
 
{
524
 
        long i;
525
 
        long num_pixels = src_size >> 1;
526
 
        
527
 
        for(i=0; i<num_pixels; i++)
528
 
        {
529
 
            unsigned b,g,r;
530
 
            register uint16_t rgb;
531
 
            rgb = src[2*i];
532
 
            r = rgb&0x1F;
533
 
            g = (rgb&0x7E0)>>5;
534
 
            b = (rgb&0xF800)>>11;
535
 
            dst[2*i] = (b&0x1F) | ((g&0x3F)<<5) | ((r&0x1F)<<11);
536
 
        }
537
 
}
538
 
 
539
 
void rgb16tobgr15(const uint8_t *src, uint8_t *dst, long src_size)
540
 
{
541
 
        long i;
542
 
        long num_pixels = src_size >> 1;
543
 
        
544
 
        for(i=0; i<num_pixels; i++)
545
 
        {
546
 
            unsigned b,g,r;
547
 
            register uint16_t rgb;
548
 
            rgb = src[2*i];
549
 
            r = rgb&0x1F;
550
 
            g = (rgb&0x7E0)>>5;
551
 
            b = (rgb&0xF800)>>11;
552
 
            dst[2*i] = (b&0x1F) | ((g&0x1F)<<5) | ((r&0x1F)<<10);
553
 
        }
554
 
}
555
 
 
556
 
void rgb15tobgr32(const uint8_t *src, uint8_t *dst, long src_size)
557
 
{
558
 
        const uint16_t *end;
559
 
        uint8_t *d = (uint8_t *)dst;
560
 
        const uint16_t *s = (const uint16_t *)src;
561
 
        end = s + src_size/2;
562
 
        while(s < end)
563
 
        {
564
 
                register uint16_t bgr;
565
 
                bgr = *s++;
566
 
                #ifdef WORDS_BIGENDIAN
567
 
                        *d++ = 0;
568
 
                        *d++ = (bgr&0x1F)<<3;
569
 
                        *d++ = (bgr&0x3E0)>>2;
570
 
                        *d++ = (bgr&0x7C00)>>7;
571
 
                #else
572
 
                        *d++ = (bgr&0x7C00)>>7;
573
 
                        *d++ = (bgr&0x3E0)>>2;
574
 
                        *d++ = (bgr&0x1F)<<3;
575
 
                        *d++ = 0;
576
 
                #endif
577
 
        }
578
 
}
579
 
 
580
 
void rgb15tobgr24(const uint8_t *src, uint8_t *dst, long src_size)
581
 
{
582
 
        const uint16_t *end;
583
 
        uint8_t *d = (uint8_t *)dst;
584
 
        const uint16_t *s = (uint16_t *)src;
585
 
        end = s + src_size/2;
586
 
        while(s < end)
587
 
        {
588
 
                register uint16_t bgr;
589
 
                bgr = *s++;
590
 
                *d++ = (bgr&0x7C00)>>7;
591
 
                *d++ = (bgr&0x3E0)>>2;
592
 
                *d++ = (bgr&0x1F)<<3;
593
 
        }
594
 
}
595
 
 
596
 
void rgb15tobgr16(const uint8_t *src, uint8_t *dst, long src_size)
597
 
{
598
 
        long i;
599
 
        long num_pixels = src_size >> 1;
600
 
        
601
 
        for(i=0; i<num_pixels; i++)
602
 
        {
603
 
            unsigned b,g,r;
604
 
            register uint16_t rgb;
605
 
            rgb = src[2*i];
606
 
            r = rgb&0x1F;
607
 
            g = (rgb&0x3E0)>>5;
608
 
            b = (rgb&0x7C00)>>10;
609
 
            dst[2*i] = (b&0x1F) | ((g&0x3F)<<5) | ((r&0x1F)<<11);
610
 
        }
611
 
}
612
 
 
613
 
void rgb15tobgr15(const uint8_t *src, uint8_t *dst, long src_size)
614
 
{
615
 
        long i;
616
 
        long num_pixels = src_size >> 1;
617
 
        
618
 
        for(i=0; i<num_pixels; i++)
619
 
        {
620
 
            unsigned b,g,r;
621
 
            register uint16_t rgb;
622
 
            rgb = src[2*i];
623
 
            r = rgb&0x1F;
624
 
            g = (rgb&0x3E0)>>5;
625
 
            b = (rgb&0x7C00)>>10;
626
 
            dst[2*i] = (b&0x1F) | ((g&0x1F)<<5) | ((r&0x1F)<<10);
627
 
        }
628
 
}
629
 
 
630
 
void rgb8tobgr8(const uint8_t *src, uint8_t *dst, long src_size)
631
 
{
632
 
        long i;
633
 
        long num_pixels = src_size;
634
 
        for(i=0; i<num_pixels; i++)
635
 
        {
636
 
            unsigned b,g,r;
637
 
            register uint8_t rgb;
638
 
            rgb = src[i];
639
 
            r = (rgb&0x07);
640
 
            g = (rgb&0x38)>>3;
641
 
            b = (rgb&0xC0)>>6;
642
 
            dst[i] = ((b<<1)&0x07) | ((g&0x07)<<3) | ((r&0x03)<<6);
643
 
        }
644
 
}