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ffmpeg / libswscale / yuv2rgb.c @ 6b8bcd3e

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1 6611aa83 Nick Kurshev
/*
2 cabc90c2 Diego Biurrun
 * yuv2rgb.c, Software YUV to RGB converter
3 6611aa83 Nick Kurshev
 *
4
 *  Copyright (C) 1999, Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
5
 *
6
 *  Functions broken out from display_x11.c and several new modes
7 7ed8ccb5 Diego Biurrun
 *  added by Håkan Hjort <d95hjort@dtek.chalmers.se>
8 6611aa83 Nick Kurshev
 *
9
 *  15 & 16 bpp support by Franck Sicard <Franck.Sicard@solsoft.fr>
10
 *
11 c1578479 Diego Biurrun
 *  MMX/MMX2 template stuff (needed for fast movntq support),
12
 *  1,4,8bpp support and context / deglobalize stuff
13
 *  by Michael Niedermayer (michaelni@gmx.at)
14
 *
15 6611aa83 Nick Kurshev
 *  This file is part of mpeg2dec, a free MPEG-2 video decoder
16
 *
17
 *  mpeg2dec is free software; you can redistribute it and/or modify
18
 *  it under the terms of the GNU General Public License as published by
19
 *  the Free Software Foundation; either version 2, or (at your option)
20
 *  any later version.
21
 *
22
 *  mpeg2dec is distributed in the hope that it will be useful,
23
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
24
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
25
 *  GNU General Public License for more details.
26
 *
27
 *  You should have received a copy of the GNU General Public License
28 2c86a578 Diego Biurrun
 *  along with mpeg2dec; if not, write to the Free Software
29
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
30 6611aa83 Nick Kurshev
 */
31
32
#include <stdio.h>
33
#include <stdlib.h>
34
#include <inttypes.h>
35 5427e242 Michael Niedermayer
#include <assert.h>
36 6611aa83 Nick Kurshev
37
#include "config.h"
38
#include "rgb2rgb.h"
39 5427e242 Michael Niedermayer
#include "swscale.h"
40
#include "swscale_internal.h"
41 6611aa83 Nick Kurshev
42 90c1d7b4 Denes Balatoni
#ifdef HAVE_VIS
43
#include "yuv2rgb_vis.c"
44
#endif
45
46 6611aa83 Nick Kurshev
#ifdef HAVE_MLIB
47
#include "yuv2rgb_mlib.c"
48
#endif
49
50 43d8c23c Michael Niedermayer
#define DITHER1XBPP // only for mmx
51
52 7c307827 Michael Niedermayer
const uint8_t  __attribute__((aligned(8))) dither_2x2_4[2][8]={
53
{  1,   3,   1,   3,   1,   3,   1,   3, },
54
{  2,   0,   2,   0,   2,   0,   2,   0, },
55
};
56
57
const uint8_t  __attribute__((aligned(8))) dither_2x2_8[2][8]={
58
{  6,   2,   6,   2,   6,   2,   6,   2, },
59
{  0,   4,   0,   4,   0,   4,   0,   4, },
60
};
61
62
const uint8_t  __attribute__((aligned(8))) dither_8x8_32[8][8]={
63 f0063c1a Michael Niedermayer
{ 17,   9,  23,  15,  16,   8,  22,  14, },
64
{  5,  29,   3,  27,   4,  28,   2,  26, },
65
{ 21,  13,  19,  11,  20,  12,  18,  10, },
66
{  0,  24,   6,  30,   1,  25,   7,  31, },
67
{ 16,   8,  22,  14,  17,   9,  23,  15, },
68
{  4,  28,   2,  26,   5,  29,   3,  27, },
69
{ 20,  12,  18,  10,  21,  13,  19,  11, },
70
{  1,  25,   7,  31,   0,  24,   6,  30, },
71
};
72
73 7c307827 Michael Niedermayer
#if 0
74
const uint8_t  __attribute__((aligned(8))) dither_8x8_64[8][8]={
75 f0063c1a Michael Niedermayer
{  0,  48,  12,  60,   3,  51,  15,  63, },
76
{ 32,  16,  44,  28,  35,  19,  47,  31, },
77
{  8,  56,   4,  52,  11,  59,   7,  55, },
78
{ 40,  24,  36,  20,  43,  27,  39,  23, },
79
{  2,  50,  14,  62,   1,  49,  13,  61, },
80
{ 34,  18,  46,  30,  33,  17,  45,  29, },
81
{ 10,  58,   6,  54,   9,  57,   5,  53, },
82
{ 42,  26,  38,  22,  41,  25,  37,  21, },
83
};
84 7c307827 Michael Niedermayer
#endif
85
86
const uint8_t  __attribute__((aligned(8))) dither_8x8_73[8][8]={
87
{  0,  55,  14,  68,   3,  58,  17,  72, },
88
{ 37,  18,  50,  32,  40,  22,  54,  35, },
89
{  9,  64,   5,  59,  13,  67,   8,  63, },
90
{ 46,  27,  41,  23,  49,  31,  44,  26, },
91
{  2,  57,  16,  71,   1,  56,  15,  70, },
92
{ 39,  21,  52,  34,  38,  19,  51,  33, },
93
{ 11,  66,   7,  62,  10,  65,   6,  60, },
94
{ 48,  30,  43,  25,  47,  29,  42,  24, },
95
};
96 f0063c1a Michael Niedermayer
97 7c307827 Michael Niedermayer
#if 0
98
const uint8_t  __attribute__((aligned(8))) dither_8x8_128[8][8]={
99 f0063c1a Michael Niedermayer
{ 68,  36,  92,  60,  66,  34,  90,  58, },
100
{ 20, 116,  12, 108,  18, 114,  10, 106, },
101
{ 84,  52,  76,  44,  82,  50,  74,  42, },
102
{  0,  96,  24, 120,   6, 102,  30, 126, },
103
{ 64,  32,  88,  56,  70,  38,  94,  62, },
104
{ 16, 112,   8, 104,  22, 118,  14, 110, },
105
{ 80,  48,  72,  40,  86,  54,  78,  46, },
106
{  4, 100,  28, 124,   2,  98,  26, 122, },
107
};
108 7c307827 Michael Niedermayer
#endif
109
110
#if 1
111
const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={
112
{117,  62, 158, 103, 113,  58, 155, 100, },
113
{ 34, 199,  21, 186,  31, 196,  17, 182, },
114
{144,  89, 131,  76, 141,  86, 127,  72, },
115
{  0, 165,  41, 206,  10, 175,  52, 217, },
116
{110,  55, 151,  96, 120,  65, 162, 107, },
117
{ 28, 193,  14, 179,  38, 203,  24, 189, },
118
{138,  83, 124,  69, 148,  93, 134,  79, },
119
{  7, 172,  48, 213,   3, 168,  45, 210, },
120
};
121
#elif 1
122
// tries to correct a gamma of 1.5
123
const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={
124
{  0, 143,  18, 200,   2, 156,  25, 215, },
125
{ 78,  28, 125,  64,  89,  36, 138,  74, },
126
{ 10, 180,   3, 161,  16, 195,   8, 175, },
127
{109,  51,  93,  38, 121,  60, 105,  47, },
128
{  1, 152,  23, 210,   0, 147,  20, 205, },
129
{ 85,  33, 134,  71,  81,  30, 130,  67, },
130
{ 14, 190,   6, 171,  12, 185,   5, 166, },
131
{117,  57, 101,  44, 113,  54,  97,  41, },
132
};
133
#elif 1
134
// tries to correct a gamma of 2.0
135
const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={
136
{  0, 124,   8, 193,   0, 140,  12, 213, },
137
{ 55,  14, 104,  42,  66,  19, 119,  52, },
138
{  3, 168,   1, 145,   6, 187,   3, 162, },
139
{ 86,  31,  70,  21,  99,  39,  82,  28, },
140
{  0, 134,  11, 206,   0, 129,   9, 200, },
141
{ 62,  17, 114,  48,  58,  16, 109,  45, },
142
{  5, 181,   2, 157,   4, 175,   1, 151, },
143
{ 95,  36,  78,  26,  90,  34,  74,  24, },
144
};
145
#else
146
// tries to correct a gamma of 2.5
147
const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={
148
{  0, 107,   3, 187,   0, 125,   6, 212, },
149
{ 39,   7,  86,  28,  49,  11, 102,  36, },
150
{  1, 158,   0, 131,   3, 180,   1, 151, },
151
{ 68,  19,  52,  12,  81,  25,  64,  17, },
152
{  0, 119,   5, 203,   0, 113,   4, 195, },
153
{ 45,   9,  96,  33,  42,   8,  91,  30, },
154
{  2, 172,   1, 144,   2, 165,   0, 137, },
155
{ 77,  23,  60,  15,  72,  21,  56,  14, },
156
};
157
#endif
158 f0063c1a Michael Niedermayer
159 dbdae6ec Diego Biurrun
#ifdef HAVE_MMX
160 43d8c23c Michael Niedermayer
161
/* hope these constant values are cache line aligned */
162 42809816 Diego Biurrun
static uint64_t attribute_used __attribute__((aligned(8))) mmx_00ffw   = 0x00ff00ff00ff00ffULL;
163 a90ce386 Aurelien Jacobs
static uint64_t attribute_used __attribute__((aligned(8))) mmx_redmask = 0xf8f8f8f8f8f8f8f8ULL;
164
static uint64_t attribute_used __attribute__((aligned(8))) mmx_grnmask = 0xfcfcfcfcfcfcfcfcULL;
165 43d8c23c Michael Niedermayer
166 a90ce386 Aurelien Jacobs
static uint64_t attribute_used __attribute__((aligned(8))) M24A=   0x00FF0000FF0000FFULL;
167
static uint64_t attribute_used __attribute__((aligned(8))) M24B=   0xFF0000FF0000FF00ULL;
168
static uint64_t attribute_used __attribute__((aligned(8))) M24C=   0x0000FF0000FF0000ULL;
169 43d8c23c Michael Niedermayer
170
// the volatile is required because gcc otherwise optimizes some writes away not knowing that these
171
// are read in the asm block
172 a90ce386 Aurelien Jacobs
static volatile uint64_t attribute_used __attribute__((aligned(8))) b5Dither;
173
static volatile uint64_t attribute_used __attribute__((aligned(8))) g5Dither;
174
static volatile uint64_t attribute_used __attribute__((aligned(8))) g6Dither;
175
static volatile uint64_t attribute_used __attribute__((aligned(8))) r5Dither;
176 43d8c23c Michael Niedermayer
177 a90ce386 Aurelien Jacobs
static uint64_t __attribute__((aligned(8))) dither4[2]={
178 42809816 Diego Biurrun
    0x0103010301030103LL,
179
    0x0200020002000200LL,};
180 43d8c23c Michael Niedermayer
181 a90ce386 Aurelien Jacobs
static uint64_t __attribute__((aligned(8))) dither8[2]={
182 42809816 Diego Biurrun
    0x0602060206020602LL,
183
    0x0004000400040004LL,};
184 43d8c23c Michael Niedermayer
185
#undef HAVE_MMX
186
187
//MMX versions
188
#undef RENAME
189
#define HAVE_MMX
190
#undef HAVE_MMX2
191
#undef HAVE_3DNOW
192
#define RENAME(a) a ## _MMX
193
#include "yuv2rgb_template.c"
194
195
//MMX2 versions
196
#undef RENAME
197
#define HAVE_MMX
198
#define HAVE_MMX2
199
#undef HAVE_3DNOW
200
#define RENAME(a) a ## _MMX2
201
#include "yuv2rgb_template.c"
202
203 3d6a30d9 Diego Biurrun
#endif /* defined(ARCH_X86) */
204 6611aa83 Nick Kurshev
205
const int32_t Inverse_Table_6_9[8][4] = {
206
    {117504, 138453, 13954, 34903}, /* no sequence_display_extension */
207
    {117504, 138453, 13954, 34903}, /* ITU-R Rec. 709 (1990) */
208
    {104597, 132201, 25675, 53279}, /* unspecified */
209
    {104597, 132201, 25675, 53279}, /* reserved */
210
    {104448, 132798, 24759, 53109}, /* FCC */
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    {104597, 132201, 25675, 53279}, /* ITU-R Rec. 624-4 System B, G */
212
    {104597, 132201, 25675, 53279}, /* SMPTE 170M */
213
    {117579, 136230, 16907, 35559}  /* SMPTE 240M (1987) */
214
};
215
216 42809816 Diego Biurrun
#define RGB(i)                                      \
217
    U = pu[i];                                      \
218
    V = pv[i];                                      \
219
    r = (void *)c->table_rV[V];                     \
220
    g = (void *)(c->table_gU[U] + c->table_gV[V]);  \
221
    b = (void *)c->table_bU[U];
222
223
#define DST1(i)                         \
224
    Y = py_1[2*i];                      \
225
    dst_1[2*i] = r[Y] + g[Y] + b[Y];    \
226
    Y = py_1[2*i+1];                    \
227
    dst_1[2*i+1] = r[Y] + g[Y] + b[Y];
228
229
#define DST2(i)                         \
230
    Y = py_2[2*i];                      \
231
    dst_2[2*i] = r[Y] + g[Y] + b[Y];    \
232
    Y = py_2[2*i+1];                    \
233
    dst_2[2*i+1] = r[Y] + g[Y] + b[Y];
234
235
#define DST1RGB(i)                                                \
236
    Y = py_1[2*i];                                                \
237
    dst_1[6*i] = r[Y]; dst_1[6*i+1] = g[Y]; dst_1[6*i+2] = b[Y];  \
238
    Y = py_1[2*i+1];                                              \
239
    dst_1[6*i+3] = r[Y]; dst_1[6*i+4] = g[Y]; dst_1[6*i+5] = b[Y];
240
241
#define DST2RGB(i)                                                \
242
    Y = py_2[2*i];                                                \
243
    dst_2[6*i] = r[Y]; dst_2[6*i+1] = g[Y]; dst_2[6*i+2] = b[Y];  \
244
    Y = py_2[2*i+1];                                              \
245
    dst_2[6*i+3] = r[Y]; dst_2[6*i+4] = g[Y]; dst_2[6*i+5] = b[Y];
246
247
#define DST1BGR(i)                                                \
248
    Y = py_1[2*i];                                                \
249
    dst_1[6*i] = b[Y]; dst_1[6*i+1] = g[Y]; dst_1[6*i+2] = r[Y];  \
250
    Y = py_1[2*i+1];                                              \
251
    dst_1[6*i+3] = b[Y]; dst_1[6*i+4] = g[Y]; dst_1[6*i+5] = r[Y];
252
253
#define DST2BGR(i)                                                \
254
    Y = py_2[2*i];                                                \
255
    dst_2[6*i] = b[Y]; dst_2[6*i+1] = g[Y]; dst_2[6*i+2] = r[Y];  \
256
    Y = py_2[2*i+1];                                              \
257
    dst_2[6*i+3] = b[Y]; dst_2[6*i+4] = g[Y]; dst_2[6*i+5] = r[Y];
258 6611aa83 Nick Kurshev
259 5427e242 Michael Niedermayer
#define PROLOG(func_name, dst_type) \
260 3e499f53 Michael Niedermayer
static int func_name(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, \
261 42809816 Diego Biurrun
                     int srcSliceH, uint8_t* dst[], int dstStride[]){\
262 5427e242 Michael Niedermayer
    int y;\
263
\
264 42809816 Diego Biurrun
    if (c->srcFormat == PIX_FMT_YUV422P){\
265
        srcStride[1] *= 2;\
266
        srcStride[2] *= 2;\
267 5427e242 Michael Niedermayer
    }\
268 42809816 Diego Biurrun
    for (y=0; y<srcSliceH; y+=2){\
269
        dst_type *dst_1= (dst_type*)(dst[0] + (y+srcSliceY  )*dstStride[0]);\
270
        dst_type *dst_2= (dst_type*)(dst[0] + (y+srcSliceY+1)*dstStride[0]);\
271 2db27aad Carl Eugen Hoyos
        dst_type av_unused *r, *b;\
272 42809816 Diego Biurrun
        dst_type *g;\
273
        uint8_t *py_1= src[0] + y*srcStride[0];\
274
        uint8_t *py_2= py_1 + srcStride[0];\
275
        uint8_t *pu= src[1] + (y>>1)*srcStride[1];\
276
        uint8_t *pv= src[2] + (y>>1)*srcStride[2];\
277
        unsigned int h_size= c->dstW>>3;\
278
        while (h_size--) {\
279 2db27aad Carl Eugen Hoyos
            int av_unused U, V;\
280 42809816 Diego Biurrun
            int Y;\
281 5427e242 Michael Niedermayer
282 1a18eaf7 Reimar Döffinger
#define EPILOG1(dst_delta)\
283 42809816 Diego Biurrun
            pu += 4;\
284
            pv += 4;\
285
            py_1 += 8;\
286
            py_2 += 8;\
287
            dst_1 += dst_delta;\
288
            dst_2 += dst_delta;\
289
        }\
290 1a18eaf7 Reimar Döffinger
        if (c->dstW & 4) {\
291
            int av_unused U, V;\
292
            int Y;\
293
294
#define EPILOG2()\
295
        }\
296 5427e242 Michael Niedermayer
    }\
297 d4e24275 Michael Niedermayer
    return srcSliceH;\
298 5427e242 Michael Niedermayer
}
299 6611aa83 Nick Kurshev
300 1a18eaf7 Reimar Döffinger
#define EPILOG(dst_delta)\
301
    EPILOG1(dst_delta)\
302
    EPILOG2()
303
304 5427e242 Michael Niedermayer
PROLOG(yuv2rgb_c_32, uint32_t)
305 42809816 Diego Biurrun
    RGB(0);
306
    DST1(0);
307
    DST2(0);
308 6611aa83 Nick Kurshev
309 42809816 Diego Biurrun
    RGB(1);
310
    DST2(1);
311
    DST1(1);
312 6611aa83 Nick Kurshev
313 42809816 Diego Biurrun
    RGB(2);
314
    DST1(2);
315
    DST2(2);
316 6611aa83 Nick Kurshev
317 42809816 Diego Biurrun
    RGB(3);
318
    DST2(3);
319
    DST1(3);
320 1a18eaf7 Reimar Döffinger
EPILOG1(8)
321
    RGB(0);
322
    DST1(0);
323
    DST2(0);
324
325
    RGB(1);
326
    DST2(1);
327
    DST1(1);
328
EPILOG2()
329 6611aa83 Nick Kurshev
330 5427e242 Michael Niedermayer
PROLOG(yuv2rgb_c_24_rgb, uint8_t)
331 42809816 Diego Biurrun
    RGB(0);
332
    DST1RGB(0);
333
    DST2RGB(0);
334 6611aa83 Nick Kurshev
335 42809816 Diego Biurrun
    RGB(1);
336
    DST2RGB(1);
337
    DST1RGB(1);
338 6611aa83 Nick Kurshev
339 42809816 Diego Biurrun
    RGB(2);
340
    DST1RGB(2);
341
    DST2RGB(2);
342 6611aa83 Nick Kurshev
343 42809816 Diego Biurrun
    RGB(3);
344
    DST2RGB(3);
345
    DST1RGB(3);
346 1a18eaf7 Reimar Döffinger
EPILOG1(24)
347
    RGB(0);
348
    DST1RGB(0);
349
    DST2RGB(0);
350
351
    RGB(1);
352
    DST2RGB(1);
353
    DST1RGB(1);
354
EPILOG2()
355 6611aa83 Nick Kurshev
356
// only trivial mods from yuv2rgb_c_24_rgb
357 5427e242 Michael Niedermayer
PROLOG(yuv2rgb_c_24_bgr, uint8_t)
358 42809816 Diego Biurrun
    RGB(0);
359
    DST1BGR(0);
360
    DST2BGR(0);
361 6611aa83 Nick Kurshev
362 42809816 Diego Biurrun
    RGB(1);
363
    DST2BGR(1);
364
    DST1BGR(1);
365 6611aa83 Nick Kurshev
366 42809816 Diego Biurrun
    RGB(2);
367
    DST1BGR(2);
368
    DST2BGR(2);
369 6611aa83 Nick Kurshev
370 42809816 Diego Biurrun
    RGB(3);
371
    DST2BGR(3);
372
    DST1BGR(3);
373 1a18eaf7 Reimar Döffinger
EPILOG1(24)
374
    RGB(0);
375
    DST1BGR(0);
376
    DST2BGR(0);
377
378
    RGB(1);
379
    DST2BGR(1);
380
    DST1BGR(1);
381
EPILOG2()
382 6611aa83 Nick Kurshev
383
// This is exactly the same code as yuv2rgb_c_32 except for the types of
384
// r, g, b, dst_1, dst_2
385 5427e242 Michael Niedermayer
PROLOG(yuv2rgb_c_16, uint16_t)
386 42809816 Diego Biurrun
    RGB(0);
387
    DST1(0);
388
    DST2(0);
389 6611aa83 Nick Kurshev
390 42809816 Diego Biurrun
    RGB(1);
391
    DST2(1);
392
    DST1(1);
393 6611aa83 Nick Kurshev
394 42809816 Diego Biurrun
    RGB(2);
395
    DST1(2);
396
    DST2(2);
397 6611aa83 Nick Kurshev
398 42809816 Diego Biurrun
    RGB(3);
399
    DST2(3);
400
    DST1(3);
401 5427e242 Michael Niedermayer
EPILOG(8)
402 6611aa83 Nick Kurshev
403 431b47f9 Michael Niedermayer
// This is exactly the same code as yuv2rgb_c_32 except for the types of
404
// r, g, b, dst_1, dst_2
405 5427e242 Michael Niedermayer
PROLOG(yuv2rgb_c_8, uint8_t)
406 42809816 Diego Biurrun
    RGB(0);
407
    DST1(0);
408
    DST2(0);
409 431b47f9 Michael Niedermayer
410 42809816 Diego Biurrun
    RGB(1);
411
    DST2(1);
412
    DST1(1);
413 431b47f9 Michael Niedermayer
414 42809816 Diego Biurrun
    RGB(2);
415
    DST1(2);
416
    DST2(2);
417 431b47f9 Michael Niedermayer
418 42809816 Diego Biurrun
    RGB(3);
419
    DST2(3);
420
    DST1(3);
421 5427e242 Michael Niedermayer
EPILOG(8)
422 431b47f9 Michael Niedermayer
423 66cd0d8e Michael Niedermayer
// r, g, b, dst_1, dst_2
424 5427e242 Michael Niedermayer
PROLOG(yuv2rgb_c_8_ordered_dither, uint8_t)
425 42809816 Diego Biurrun
    const uint8_t *d32= dither_8x8_32[y&7];
426
    const uint8_t *d64= dither_8x8_73[y&7];
427
#define DST1bpp8(i,o)                                               \
428
    Y = py_1[2*i];                                                  \
429
    dst_1[2*i]   = r[Y+d32[0+o]] + g[Y+d32[0+o]] + b[Y+d64[0+o]];   \
430
    Y = py_1[2*i+1];                                                \
431
    dst_1[2*i+1] = r[Y+d32[1+o]] + g[Y+d32[1+o]] + b[Y+d64[1+o]];
432
433
#define DST2bpp8(i,o)                                               \
434
    Y = py_2[2*i];                                                  \
435
    dst_2[2*i]   =  r[Y+d32[8+o]] + g[Y+d32[8+o]] + b[Y+d64[8+o]];  \
436
    Y = py_2[2*i+1];                                                \
437
    dst_2[2*i+1] =  r[Y+d32[9+o]] + g[Y+d32[9+o]] + b[Y+d64[9+o]];
438
439
440
    RGB(0);
441
    DST1bpp8(0,0);
442
    DST2bpp8(0,0);
443
444
    RGB(1);
445
    DST2bpp8(1,2);
446
    DST1bpp8(1,2);
447
448
    RGB(2);
449
    DST1bpp8(2,4);
450
    DST2bpp8(2,4);
451
452
    RGB(3);
453
    DST2bpp8(3,6);
454
    DST1bpp8(3,6);
455 5427e242 Michael Niedermayer
EPILOG(8)
456 431b47f9 Michael Niedermayer
457 d03be26e Michael Niedermayer
458
// This is exactly the same code as yuv2rgb_c_32 except for the types of
459
// r, g, b, dst_1, dst_2
460 5427e242 Michael Niedermayer
PROLOG(yuv2rgb_c_4, uint8_t)
461 42809816 Diego Biurrun
    int acc;
462
#define DST1_4(i)                   \
463
    Y = py_1[2*i];                  \
464
    acc = r[Y] + g[Y] + b[Y];       \
465
    Y = py_1[2*i+1];                \
466
    acc |= (r[Y] + g[Y] + b[Y])<<4; \
467
    dst_1[i] = acc;
468
469
#define DST2_4(i)                   \
470
    Y = py_2[2*i];                  \
471
    acc = r[Y] + g[Y] + b[Y];       \
472
    Y = py_2[2*i+1];                \
473
    acc |= (r[Y] + g[Y] + b[Y])<<4; \
474
    dst_2[i] = acc;
475
476
    RGB(0);
477
    DST1_4(0);
478
    DST2_4(0);
479
480
    RGB(1);
481
    DST2_4(1);
482
    DST1_4(1);
483
484
    RGB(2);
485
    DST1_4(2);
486
    DST2_4(2);
487
488
    RGB(3);
489
    DST2_4(3);
490
    DST1_4(3);
491 5427e242 Michael Niedermayer
EPILOG(4)
492 f17457ac Michael Niedermayer
493 5427e242 Michael Niedermayer
PROLOG(yuv2rgb_c_4_ordered_dither, uint8_t)
494 42809816 Diego Biurrun
    const uint8_t *d64= dither_8x8_73[y&7];
495
    const uint8_t *d128=dither_8x8_220[y&7];
496
    int acc;
497
498
#define DST1bpp4(i,o)                                             \
499
    Y = py_1[2*i];                                                \
500
    acc = r[Y+d128[0+o]] + g[Y+d64[0+o]] + b[Y+d128[0+o]];        \
501
    Y = py_1[2*i+1];                                              \
502
    acc |= (r[Y+d128[1+o]] + g[Y+d64[1+o]] + b[Y+d128[1+o]])<<4;  \
503
    dst_1[i]= acc;
504
505
#define DST2bpp4(i,o)                                             \
506
    Y = py_2[2*i];                                                \
507
    acc =  r[Y+d128[8+o]] + g[Y+d64[8+o]] + b[Y+d128[8+o]];       \
508
    Y = py_2[2*i+1];                                              \
509
    acc |=  (r[Y+d128[9+o]] + g[Y+d64[9+o]] + b[Y+d128[9+o]])<<4; \
510
    dst_2[i]= acc;
511
512
513
    RGB(0);
514
    DST1bpp4(0,0);
515
    DST2bpp4(0,0);
516
517
    RGB(1);
518
    DST2bpp4(1,2);
519
    DST1bpp4(1,2);
520
521
    RGB(2);
522
    DST1bpp4(2,4);
523
    DST2bpp4(2,4);
524
525
    RGB(3);
526
    DST2bpp4(3,6);
527
    DST1bpp4(3,6);
528 5427e242 Michael Niedermayer
EPILOG(4)
529 f17457ac Michael Niedermayer
530
// This is exactly the same code as yuv2rgb_c_32 except for the types of
531
// r, g, b, dst_1, dst_2
532 5427e242 Michael Niedermayer
PROLOG(yuv2rgb_c_4b, uint8_t)
533 42809816 Diego Biurrun
    RGB(0);
534
    DST1(0);
535
    DST2(0);
536 d03be26e Michael Niedermayer
537 42809816 Diego Biurrun
    RGB(1);
538
    DST2(1);
539
    DST1(1);
540 d03be26e Michael Niedermayer
541 42809816 Diego Biurrun
    RGB(2);
542
    DST1(2);
543
    DST2(2);
544 d03be26e Michael Niedermayer
545 42809816 Diego Biurrun
    RGB(3);
546
    DST2(3);
547
    DST1(3);
548 5427e242 Michael Niedermayer
EPILOG(8)
549 d03be26e Michael Niedermayer
550 5427e242 Michael Niedermayer
PROLOG(yuv2rgb_c_4b_ordered_dither, uint8_t)
551 42809816 Diego Biurrun
    const uint8_t *d64= dither_8x8_73[y&7];
552
    const uint8_t *d128=dither_8x8_220[y&7];
553 d03be26e Michael Niedermayer
554 42809816 Diego Biurrun
#define DST1bpp4b(i,o)                                                \
555
    Y = py_1[2*i];                                                    \
556
    dst_1[2*i]   = r[Y+d128[0+o]] + g[Y+d64[0+o]] + b[Y+d128[0+o]];   \
557
    Y = py_1[2*i+1];                                                  \
558
    dst_1[2*i+1] = r[Y+d128[1+o]] + g[Y+d64[1+o]] + b[Y+d128[1+o]];
559 d03be26e Michael Niedermayer
560 42809816 Diego Biurrun
#define DST2bpp4b(i,o)                                                \
561
    Y = py_2[2*i];                                                    \
562
    dst_2[2*i]   =  r[Y+d128[8+o]] + g[Y+d64[8+o]] + b[Y+d128[8+o]];  \
563
    Y = py_2[2*i+1];                                                  \
564
    dst_2[2*i+1] =  r[Y+d128[9+o]] + g[Y+d64[9+o]] + b[Y+d128[9+o]];
565 d03be26e Michael Niedermayer
566
567 42809816 Diego Biurrun
    RGB(0);
568
    DST1bpp4b(0,0);
569
    DST2bpp4b(0,0);
570 d03be26e Michael Niedermayer
571 42809816 Diego Biurrun
    RGB(1);
572
    DST2bpp4b(1,2);
573
    DST1bpp4b(1,2);
574 d03be26e Michael Niedermayer
575 42809816 Diego Biurrun
    RGB(2);
576
    DST1bpp4b(2,4);
577
    DST2bpp4b(2,4);
578 d03be26e Michael Niedermayer
579 42809816 Diego Biurrun
    RGB(3);
580
    DST2bpp4b(3,6);
581
    DST1bpp4b(3,6);
582 5427e242 Michael Niedermayer
EPILOG(8)
583 d03be26e Michael Niedermayer
584 5427e242 Michael Niedermayer
PROLOG(yuv2rgb_c_1_ordered_dither, uint8_t)
585 42809816 Diego Biurrun
        const uint8_t *d128=dither_8x8_220[y&7];
586
        char out_1=0, out_2=0;
587
        g= c->table_gU[128] + c->table_gV[128];
588 e4b168df Michael Niedermayer
589 42809816 Diego Biurrun
#define DST1bpp1(i,o)               \
590
    Y = py_1[2*i];                  \
591
    out_1+= out_1 + g[Y+d128[0+o]]; \
592
    Y = py_1[2*i+1];                \
593
    out_1+= out_1 + g[Y+d128[1+o]];
594 e4b168df Michael Niedermayer
595 42809816 Diego Biurrun
#define DST2bpp1(i,o)               \
596
    Y = py_2[2*i];                  \
597
    out_2+= out_2 + g[Y+d128[8+o]]; \
598
    Y = py_2[2*i+1];                \
599
    out_2+= out_2 + g[Y+d128[9+o]];
600 e4b168df Michael Niedermayer
601 42809816 Diego Biurrun
    DST1bpp1(0,0);
602
    DST2bpp1(0,0);
603 e4b168df Michael Niedermayer
604 42809816 Diego Biurrun
    DST2bpp1(1,2);
605
    DST1bpp1(1,2);
606 e4b168df Michael Niedermayer
607 42809816 Diego Biurrun
    DST1bpp1(2,4);
608
    DST2bpp1(2,4);
609 e4b168df Michael Niedermayer
610 42809816 Diego Biurrun
    DST2bpp1(3,6);
611
    DST1bpp1(3,6);
612 6a4970ab Diego Biurrun
613 42809816 Diego Biurrun
    dst_1[0]= out_1;
614
    dst_2[0]= out_2;
615 5427e242 Michael Niedermayer
EPILOG(1)
616 e4b168df Michael Niedermayer
617 5427e242 Michael Niedermayer
SwsFunc yuv2rgb_get_func_ptr (SwsContext *c)
618
{
619 dbdae6ec Diego Biurrun
#if defined(HAVE_MMX2) || defined(HAVE_MMX)
620 42809816 Diego Biurrun
    if (c->flags & SWS_CPU_CAPS_MMX2){
621
        switch(c->dstFormat){
622
        case PIX_FMT_RGB32:  return yuv420_rgb32_MMX2;
623
        case PIX_FMT_BGR24:  return yuv420_rgb24_MMX2;
624
        case PIX_FMT_BGR565: return yuv420_rgb16_MMX2;
625
        case PIX_FMT_BGR555: return yuv420_rgb15_MMX2;
626
        }
627 e4b168df Michael Niedermayer
    }
628 42809816 Diego Biurrun
    if (c->flags & SWS_CPU_CAPS_MMX){
629
        switch(c->dstFormat){
630
        case PIX_FMT_RGB32:  return yuv420_rgb32_MMX;
631
        case PIX_FMT_BGR24:  return yuv420_rgb24_MMX;
632
        case PIX_FMT_BGR565: return yuv420_rgb16_MMX;
633
        case PIX_FMT_BGR555: return yuv420_rgb15_MMX;
634
        }
635 5427e242 Michael Niedermayer
    }
636
#endif
637 90c1d7b4 Denes Balatoni
#ifdef HAVE_VIS
638
    {
639
        SwsFunc t= yuv2rgb_init_vis(c);
640
        if (t) return t;
641
    }
642
#endif
643 5427e242 Michael Niedermayer
#ifdef HAVE_MLIB
644
    {
645 42809816 Diego Biurrun
        SwsFunc t= yuv2rgb_init_mlib(c);
646
        if (t) return t;
647 5427e242 Michael Niedermayer
    }
648
#endif
649 a31de956 Michael Niedermayer
#ifdef HAVE_ALTIVEC
650
    if (c->flags & SWS_CPU_CAPS_ALTIVEC)
651
    {
652 42809816 Diego Biurrun
        SwsFunc t = yuv2rgb_init_altivec(c);
653
        if (t) return t;
654 a31de956 Michael Niedermayer
    }
655
#endif
656
657 d3f3eea9 Marc Hoffman
#ifdef ARCH_BFIN
658
    if (c->flags & SWS_CPU_CAPS_BFIN)
659
    {
660
        SwsFunc t = ff_bfin_yuv2rgb_get_func_ptr (c);
661
        if (t) return t;
662
    }
663
#endif
664
665 2d529db5 Luca Abeni
    av_log(c, AV_LOG_WARNING, "No accelerated colorspace conversion found\n");
666 5427e242 Michael Niedermayer
667
    switch(c->dstFormat){
668 e9e12f0e Luca Abeni
    case PIX_FMT_BGR32:
669
    case PIX_FMT_RGB32: return yuv2rgb_c_32;
670
    case PIX_FMT_RGB24: return yuv2rgb_c_24_rgb;
671
    case PIX_FMT_BGR24: return yuv2rgb_c_24_bgr;
672
    case PIX_FMT_RGB565:
673
    case PIX_FMT_BGR565:
674
    case PIX_FMT_RGB555:
675
    case PIX_FMT_BGR555: return yuv2rgb_c_16;
676
    case PIX_FMT_RGB8:
677
    case PIX_FMT_BGR8:  return yuv2rgb_c_8_ordered_dither;
678
    case PIX_FMT_RGB4:
679
    case PIX_FMT_BGR4:  return yuv2rgb_c_4_ordered_dither;
680
    case PIX_FMT_RGB4_BYTE:
681
    case PIX_FMT_BGR4_BYTE:  return yuv2rgb_c_4b_ordered_dither;
682
    case PIX_FMT_MONOBLACK:  return yuv2rgb_c_1_ordered_dither;
683 5427e242 Michael Niedermayer
    default:
684 42809816 Diego Biurrun
        assert(0);
685 5427e242 Michael Niedermayer
    }
686
    return NULL;
687 e4b168df Michael Niedermayer
}
688
689 6611aa83 Nick Kurshev
static int div_round (int dividend, int divisor)
690
{
691
    if (dividend > 0)
692 42809816 Diego Biurrun
        return (dividend + (divisor>>1)) / divisor;
693 6611aa83 Nick Kurshev
    else
694 42809816 Diego Biurrun
        return -((-dividend + (divisor>>1)) / divisor);
695 6611aa83 Nick Kurshev
}
696
697 5427e242 Michael Niedermayer
int yuv2rgb_c_init_tables (SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation)
698 6a4970ab Diego Biurrun
{
699 e9e12f0e Luca Abeni
    const int isRgb = isBGR(c->dstFormat);
700
    const int bpp = fmt_depth(c->dstFormat);
701 6611aa83 Nick Kurshev
    int i;
702
    uint8_t table_Y[1024];
703
    uint32_t *table_32 = 0;
704
    uint16_t *table_16 = 0;
705
    uint8_t *table_8 = 0;
706 431b47f9 Michael Niedermayer
    uint8_t *table_332 = 0;
707 d03be26e Michael Niedermayer
    uint8_t *table_121 = 0;
708
    uint8_t *table_1 = 0;
709 b5a40dc6 Artur Grabowski
    int entry_size = 0;
710 6611aa83 Nick Kurshev
    void *table_r = 0, *table_g = 0, *table_b = 0;
711 7c307827 Michael Niedermayer
    void *table_start;
712 6611aa83 Nick Kurshev
713 5427e242 Michael Niedermayer
    int64_t crv =  inv_table[0];
714
    int64_t cbu =  inv_table[1];
715
    int64_t cgu = -inv_table[2];
716
    int64_t cgv = -inv_table[3];
717
    int64_t cy  = 1<<16;
718
    int64_t oy  = 0;
719
720
//printf("%lld %lld %lld %lld %lld\n", cy, crv, cbu, cgu, cgv);
721 42809816 Diego Biurrun
    if (!fullRange){
722
        cy= (cy*255) / 219;
723
        oy= 16<<16;
724 edf97a75 Michael Niedermayer
    }else{
725
        crv= (crv*224) / 255;
726
        cbu= (cbu*224) / 255;
727
        cgu= (cgu*224) / 255;
728
        cgv= (cgv*224) / 255;
729 5427e242 Michael Niedermayer
    }
730 6a4970ab Diego Biurrun
731 5427e242 Michael Niedermayer
    cy = (cy *contrast             )>>16;
732
    crv= (crv*contrast * saturation)>>32;
733
    cbu= (cbu*contrast * saturation)>>32;
734
    cgu= (cgu*contrast * saturation)>>32;
735
    cgv= (cgv*contrast * saturation)>>32;
736
//printf("%lld %lld %lld %lld %lld\n", cy, crv, cbu, cgu, cgv);
737
    oy -= 256*brightness;
738 6611aa83 Nick Kurshev
739
    for (i = 0; i < 1024; i++) {
740 42809816 Diego Biurrun
        int j;
741 6611aa83 Nick Kurshev
742 42809816 Diego Biurrun
        j= (cy*(((i - 384)<<16) - oy) + (1<<31))>>32;
743
        j = (j < 0) ? 0 : ((j > 255) ? 255 : j);
744
        table_Y[i] = j;
745 6611aa83 Nick Kurshev
    }
746
747
    switch (bpp) {
748
    case 32:
749 42809816 Diego Biurrun
        table_start= table_32 = av_malloc ((197 + 2*682 + 256 + 132) * sizeof (uint32_t));
750 6611aa83 Nick Kurshev
751 42809816 Diego Biurrun
        entry_size = sizeof (uint32_t);
752
        table_r = table_32 + 197;
753
        table_b = table_32 + 197 + 685;
754
        table_g = table_32 + 197 + 2*682;
755 6611aa83 Nick Kurshev
756 42809816 Diego Biurrun
        for (i = -197; i < 256+197; i++)
757
            ((uint32_t *)table_r)[i] = table_Y[i+384] << (isRgb ? 16 : 0);
758
        for (i = -132; i < 256+132; i++)
759
            ((uint32_t *)table_g)[i] = table_Y[i+384] << 8;
760
        for (i = -232; i < 256+232; i++)
761
            ((uint32_t *)table_b)[i] = table_Y[i+384] << (isRgb ? 0 : 16);
762
        break;
763 6611aa83 Nick Kurshev
764
    case 24:
765 42809816 Diego Biurrun
        table_start= table_8 = av_malloc ((256 + 2*232) * sizeof (uint8_t));
766 6611aa83 Nick Kurshev
767 42809816 Diego Biurrun
        entry_size = sizeof (uint8_t);
768
        table_r = table_g = table_b = table_8 + 232;
769 6611aa83 Nick Kurshev
770 42809816 Diego Biurrun
        for (i = -232; i < 256+232; i++)
771
            ((uint8_t * )table_b)[i] = table_Y[i+384];
772
        break;
773 6611aa83 Nick Kurshev
774
    case 15:
775
    case 16:
776 42809816 Diego Biurrun
        table_start= table_16 = av_malloc ((197 + 2*682 + 256 + 132) * sizeof (uint16_t));
777 6611aa83 Nick Kurshev
778 42809816 Diego Biurrun
        entry_size = sizeof (uint16_t);
779
        table_r = table_16 + 197;
780
        table_b = table_16 + 197 + 685;
781
        table_g = table_16 + 197 + 2*682;
782 6611aa83 Nick Kurshev
783 42809816 Diego Biurrun
        for (i = -197; i < 256+197; i++) {
784
            int j = table_Y[i+384] >> 3;
785 6611aa83 Nick Kurshev
786 42809816 Diego Biurrun
            if (isRgb)
787
                j <<= ((bpp==16) ? 11 : 10);
788 6611aa83 Nick Kurshev
789 42809816 Diego Biurrun
            ((uint16_t *)table_r)[i] = j;
790
        }
791
        for (i = -132; i < 256+132; i++) {
792
            int j = table_Y[i+384] >> ((bpp==16) ? 2 : 3);
793 6611aa83 Nick Kurshev
794 42809816 Diego Biurrun
            ((uint16_t *)table_g)[i] = j << 5;
795
        }
796
        for (i = -232; i < 256+232; i++) {
797
            int j = table_Y[i+384] >> 3;
798 6611aa83 Nick Kurshev
799 42809816 Diego Biurrun
            if (!isRgb)
800
                j <<= ((bpp==16) ? 11 : 10);
801 6611aa83 Nick Kurshev
802 42809816 Diego Biurrun
            ((uint16_t *)table_b)[i] = j;
803
        }
804
        break;
805 6611aa83 Nick Kurshev
806 431b47f9 Michael Niedermayer
    case 8:
807 42809816 Diego Biurrun
        table_start= table_332 = av_malloc ((197 + 2*682 + 256 + 132) * sizeof (uint8_t));
808 431b47f9 Michael Niedermayer
809 42809816 Diego Biurrun
        entry_size = sizeof (uint8_t);
810
        table_r = table_332 + 197;
811
        table_b = table_332 + 197 + 685;
812
        table_g = table_332 + 197 + 2*682;
813 431b47f9 Michael Niedermayer
814 42809816 Diego Biurrun
        for (i = -197; i < 256+197; i++) {
815
            int j = (table_Y[i+384 - 16] + 18)/36;
816 431b47f9 Michael Niedermayer
817 42809816 Diego Biurrun
            if (isRgb)
818
                j <<= 5;
819 431b47f9 Michael Niedermayer
820 42809816 Diego Biurrun
            ((uint8_t *)table_r)[i] = j;
821
        }
822
        for (i = -132; i < 256+132; i++) {
823
            int j = (table_Y[i+384 - 16] + 18)/36;
824 431b47f9 Michael Niedermayer
825 42809816 Diego Biurrun
            if (!isRgb)
826
                j <<= 1;
827 431b47f9 Michael Niedermayer
828 42809816 Diego Biurrun
            ((uint8_t *)table_g)[i] = j << 2;
829
        }
830
        for (i = -232; i < 256+232; i++) {
831
            int j = (table_Y[i+384 - 37] + 43)/85;
832 431b47f9 Michael Niedermayer
833 42809816 Diego Biurrun
            if (!isRgb)
834
                j <<= 6;
835 431b47f9 Michael Niedermayer
836 42809816 Diego Biurrun
            ((uint8_t *)table_b)[i] = j;
837
        }
838
        break;
839 d03be26e Michael Niedermayer
    case 4:
840 f17457ac Michael Niedermayer
    case 4|128:
841 42809816 Diego Biurrun
        table_start= table_121 = av_malloc ((197 + 2*682 + 256 + 132) * sizeof (uint8_t));
842 d03be26e Michael Niedermayer
843 42809816 Diego Biurrun
        entry_size = sizeof (uint8_t);
844
        table_r = table_121 + 197;
845
        table_b = table_121 + 197 + 685;
846
        table_g = table_121 + 197 + 2*682;
847 d03be26e Michael Niedermayer
848 42809816 Diego Biurrun
        for (i = -197; i < 256+197; i++) {
849
            int j = table_Y[i+384 - 110] >> 7;
850 d03be26e Michael Niedermayer
851 42809816 Diego Biurrun
            if (isRgb)
852
                j <<= 3;
853 d03be26e Michael Niedermayer
854 42809816 Diego Biurrun
            ((uint8_t *)table_r)[i] = j;
855
        }
856
        for (i = -132; i < 256+132; i++) {
857
            int j = (table_Y[i+384 - 37]+ 43)/85;
858 d03be26e Michael Niedermayer
859 42809816 Diego Biurrun
            ((uint8_t *)table_g)[i] = j << 1;
860
        }
861
        for (i = -232; i < 256+232; i++) {
862
            int j =table_Y[i+384 - 110] >> 7;
863 d03be26e Michael Niedermayer
864 42809816 Diego Biurrun
            if (!isRgb)
865
                j <<= 3;
866 d03be26e Michael Niedermayer
867 42809816 Diego Biurrun
            ((uint8_t *)table_b)[i] = j;
868
        }
869
        break;
870 431b47f9 Michael Niedermayer
871 e4b168df Michael Niedermayer
    case 1:
872 42809816 Diego Biurrun
        table_start= table_1 = av_malloc (256*2 * sizeof (uint8_t));
873 e4b168df Michael Niedermayer
874 42809816 Diego Biurrun
        entry_size = sizeof (uint8_t);
875
        table_g = table_1;
876
        table_r = table_b = NULL;
877 e4b168df Michael Niedermayer
878 42809816 Diego Biurrun
        for (i = 0; i < 256+256; i++) {
879
            int j = table_Y[i + 384 - 110]>>7;
880 e4b168df Michael Niedermayer
881 42809816 Diego Biurrun
            ((uint8_t *)table_g)[i] = j;
882
        }
883
        break;
884 e4b168df Michael Niedermayer
885 6611aa83 Nick Kurshev
    default:
886 42809816 Diego Biurrun
        table_start= NULL;
887
        av_log(c, AV_LOG_ERROR, "%ibpp not supported by yuv2rgb\n", bpp);
888
        //free mem?
889
        return -1;
890 6611aa83 Nick Kurshev
    }
891
892
    for (i = 0; i < 256; i++) {
893 42809816 Diego Biurrun
        c->table_rV[i] = (uint8_t *)table_r + entry_size * div_round (crv * (i-128), 76309);
894
        c->table_gU[i] = (uint8_t *)table_g + entry_size * div_round (cgu * (i-128), 76309);
895
        c->table_gV[i] = entry_size * div_round (cgv * (i-128), 76309);
896
        c->table_bU[i] = (uint8_t *)table_b + entry_size * div_round (cbu * (i-128), 76309);
897 6611aa83 Nick Kurshev
    }
898 7c307827 Michael Niedermayer
899 94c4def2 Luca Abeni
    av_free(c->yuvTable);
900 5427e242 Michael Niedermayer
    c->yuvTable= table_start;
901
    return 0;
902 6611aa83 Nick Kurshev
}