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/*
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 * yuv2rgb.c, Software YUV to RGB coverter
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 *
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 *  Copyright (C) 1999, Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
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 *  All Rights Reserved.
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 *
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 *  Functions broken out from display_x11.c and several new modes
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 *  added by H?kan Hjort <d95hjort@dtek.chalmers.se>
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 *
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 *  15 & 16 bpp support by Franck Sicard <Franck.Sicard@solsoft.fr>
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 *
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 *  This file is part of mpeg2dec, a free MPEG-2 video decoder
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 *
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 *  mpeg2dec is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation; either version 2, or (at your option)
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 *  any later version.
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 *
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 *  mpeg2dec is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with GNU Make; see the file COPYING.  If not, write to
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 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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 *
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 * MMX/MMX2 Template stuff from Michael Niedermayer (michaelni@gmx.at) (needed for fast movntq support)
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 * 1,4,8bpp support by Michael Niedermayer (michaelni@gmx.at)
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 * context / deglobalize stuff by Michael Niedermayer
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 */
32

    
33
#include <stdio.h>
34
#include <stdlib.h>
35
#include <inttypes.h>
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#include <assert.h>
37

    
38
#include "config.h"
39
#include "rgb2rgb.h"
40
#include "swscale.h"
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#include "swscale_internal.h"
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#include "img_format.h" //FIXME try to reduce dependency of such stuff
43

    
44
#ifdef HAVE_MLIB
45
#include "yuv2rgb_mlib.c"
46
#endif
47

    
48
#define DITHER1XBPP // only for mmx
49

    
50
const uint8_t  __attribute__((aligned(8))) dither_2x2_4[2][8]={
51
{  1,   3,   1,   3,   1,   3,   1,   3, },
52
{  2,   0,   2,   0,   2,   0,   2,   0, },
53
};
54

    
55
const uint8_t  __attribute__((aligned(8))) dither_2x2_8[2][8]={
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{  6,   2,   6,   2,   6,   2,   6,   2, },
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{  0,   4,   0,   4,   0,   4,   0,   4, },
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};
59

    
60
const uint8_t  __attribute__((aligned(8))) dither_8x8_32[8][8]={
61
{ 17,   9,  23,  15,  16,   8,  22,  14, },
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{  5,  29,   3,  27,   4,  28,   2,  26, },
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{ 21,  13,  19,  11,  20,  12,  18,  10, },
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{  0,  24,   6,  30,   1,  25,   7,  31, },
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{ 16,   8,  22,  14,  17,   9,  23,  15, },
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{  4,  28,   2,  26,   5,  29,   3,  27, },
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{ 20,  12,  18,  10,  21,  13,  19,  11, },
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{  1,  25,   7,  31,   0,  24,   6,  30, },
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};
70

    
71
#if 0
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const uint8_t  __attribute__((aligned(8))) dither_8x8_64[8][8]={
73
{  0,  48,  12,  60,   3,  51,  15,  63, },
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{ 32,  16,  44,  28,  35,  19,  47,  31, },
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{  8,  56,   4,  52,  11,  59,   7,  55, },
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{ 40,  24,  36,  20,  43,  27,  39,  23, },
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{  2,  50,  14,  62,   1,  49,  13,  61, },
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{ 34,  18,  46,  30,  33,  17,  45,  29, },
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{ 10,  58,   6,  54,   9,  57,   5,  53, },
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{ 42,  26,  38,  22,  41,  25,  37,  21, },
81
};
82
#endif
83

    
84
const uint8_t  __attribute__((aligned(8))) dither_8x8_73[8][8]={
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{  0,  55,  14,  68,   3,  58,  17,  72, },
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{ 37,  18,  50,  32,  40,  22,  54,  35, },
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{  9,  64,   5,  59,  13,  67,   8,  63, },
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{ 46,  27,  41,  23,  49,  31,  44,  26, },
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{  2,  57,  16,  71,   1,  56,  15,  70, },
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{ 39,  21,  52,  34,  38,  19,  51,  33, },
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{ 11,  66,   7,  62,  10,  65,   6,  60, },
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{ 48,  30,  43,  25,  47,  29,  42,  24, },
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};
94

    
95
#if 0
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const uint8_t  __attribute__((aligned(8))) dither_8x8_128[8][8]={
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{ 68,  36,  92,  60,  66,  34,  90,  58, },
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{ 20, 116,  12, 108,  18, 114,  10, 106, },
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{ 84,  52,  76,  44,  82,  50,  74,  42, },
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{  0,  96,  24, 120,   6, 102,  30, 126, },
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{ 64,  32,  88,  56,  70,  38,  94,  62, },
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{ 16, 112,   8, 104,  22, 118,  14, 110, },
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{ 80,  48,  72,  40,  86,  54,  78,  46, },
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{  4, 100,  28, 124,   2,  98,  26, 122, },
105
};
106
#endif
107

    
108
#if 1
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const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={
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{117,  62, 158, 103, 113,  58, 155, 100, },
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{ 34, 199,  21, 186,  31, 196,  17, 182, },
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{144,  89, 131,  76, 141,  86, 127,  72, },
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{  0, 165,  41, 206,  10, 175,  52, 217, },
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{110,  55, 151,  96, 120,  65, 162, 107, },
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{ 28, 193,  14, 179,  38, 203,  24, 189, },
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{138,  83, 124,  69, 148,  93, 134,  79, },
117
{  7, 172,  48, 213,   3, 168,  45, 210, },
118
};
119
#elif 1
120
// tries to correct a gamma of 1.5
121
const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={
122
{  0, 143,  18, 200,   2, 156,  25, 215, },
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{ 78,  28, 125,  64,  89,  36, 138,  74, },
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{ 10, 180,   3, 161,  16, 195,   8, 175, },
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{109,  51,  93,  38, 121,  60, 105,  47, },
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{  1, 152,  23, 210,   0, 147,  20, 205, },
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{ 85,  33, 134,  71,  81,  30, 130,  67, },
128
{ 14, 190,   6, 171,  12, 185,   5, 166, },
129
{117,  57, 101,  44, 113,  54,  97,  41, },
130
};
131
#elif 1
132
// tries to correct a gamma of 2.0
133
const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={
134
{  0, 124,   8, 193,   0, 140,  12, 213, },
135
{ 55,  14, 104,  42,  66,  19, 119,  52, },
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{  3, 168,   1, 145,   6, 187,   3, 162, },
137
{ 86,  31,  70,  21,  99,  39,  82,  28, },
138
{  0, 134,  11, 206,   0, 129,   9, 200, },
139
{ 62,  17, 114,  48,  58,  16, 109,  45, },
140
{  5, 181,   2, 157,   4, 175,   1, 151, },
141
{ 95,  36,  78,  26,  90,  34,  74,  24, },
142
};
143
#else
144
// tries to correct a gamma of 2.5
145
const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={
146
{  0, 107,   3, 187,   0, 125,   6, 212, },
147
{ 39,   7,  86,  28,  49,  11, 102,  36, },
148
{  1, 158,   0, 131,   3, 180,   1, 151, },
149
{ 68,  19,  52,  12,  81,  25,  64,  17, },
150
{  0, 119,   5, 203,   0, 113,   4, 195, },
151
{ 45,   9,  96,  33,  42,   8,  91,  30, },
152
{  2, 172,   1, 144,   2, 165,   0, 137, },
153
{ 77,  23,  60,  15,  72,  21,  56,  14, },
154
};
155
#endif
156

    
157
#if defined(ARCH_X86) || defined(ARCH_X86_64)
158

    
159
/* hope these constant values are cache line aligned */
160
uint64_t attribute_used __attribute__((aligned(8))) mmx_00ffw = 0x00ff00ff00ff00ffULL;
161
uint64_t attribute_used __attribute__((aligned(8))) mmx_redmask = 0xf8f8f8f8f8f8f8f8ULL;
162
uint64_t attribute_used __attribute__((aligned(8))) mmx_grnmask = 0xfcfcfcfcfcfcfcfcULL;
163

    
164
uint64_t attribute_used __attribute__((aligned(8))) M24A=   0x00FF0000FF0000FFULL;
165
uint64_t attribute_used __attribute__((aligned(8))) M24B=   0xFF0000FF0000FF00ULL;
166
uint64_t attribute_used __attribute__((aligned(8))) M24C=   0x0000FF0000FF0000ULL;
167

    
168
// the volatile is required because gcc otherwise optimizes some writes away not knowing that these
169
// are read in the asm block
170
volatile uint64_t attribute_used __attribute__((aligned(8))) b5Dither;
171
volatile uint64_t attribute_used __attribute__((aligned(8))) g5Dither;
172
volatile uint64_t attribute_used __attribute__((aligned(8))) g6Dither;
173
volatile uint64_t attribute_used __attribute__((aligned(8))) r5Dither;
174

    
175
uint64_t __attribute__((aligned(8))) dither4[2]={
176
        0x0103010301030103LL,
177
        0x0200020002000200LL,};
178

    
179
uint64_t __attribute__((aligned(8))) dither8[2]={
180
        0x0602060206020602LL,
181
        0x0004000400040004LL,};
182

    
183
#undef HAVE_MMX
184

    
185
//MMX versions
186
#undef RENAME
187
#define HAVE_MMX
188
#undef HAVE_MMX2
189
#undef HAVE_3DNOW
190
#define RENAME(a) a ## _MMX
191
#include "yuv2rgb_template.c"
192

    
193
//MMX2 versions
194
#undef RENAME
195
#define HAVE_MMX
196
#define HAVE_MMX2
197
#undef HAVE_3DNOW
198
#define RENAME(a) a ## _MMX2
199
#include "yuv2rgb_template.c"
200

    
201
#endif /* defined(ARCH_X86) || defined(ARCH_X86_64) */
202

    
203
const int32_t Inverse_Table_6_9[8][4] = {
204
    {117504, 138453, 13954, 34903}, /* no sequence_display_extension */
205
    {117504, 138453, 13954, 34903}, /* ITU-R Rec. 709 (1990) */
206
    {104597, 132201, 25675, 53279}, /* unspecified */
207
    {104597, 132201, 25675, 53279}, /* reserved */
208
    {104448, 132798, 24759, 53109}, /* FCC */
209
    {104597, 132201, 25675, 53279}, /* ITU-R Rec. 624-4 System B, G */
210
    {104597, 132201, 25675, 53279}, /* SMPTE 170M */
211
    {117579, 136230, 16907, 35559}  /* SMPTE 240M (1987) */
212
};
213

    
214
#define RGB(i)                                        \
215
        U = pu[i];                                \
216
        V = pv[i];                                \
217
        r = c->table_rV[V];                        \
218
        g = c->table_gU[U] + c->table_gV[V];                \
219
        b = c->table_bU[U];
220

    
221
#define DST1(i)                                        \
222
        Y = py_1[2*i];                                \
223
        dst_1[2*i] = r[Y] + g[Y] + b[Y];        \
224
        Y = py_1[2*i+1];                        \
225
        dst_1[2*i+1] = r[Y] + g[Y] + b[Y];
226

    
227
#define DST2(i)                                        \
228
        Y = py_2[2*i];                                \
229
        dst_2[2*i] = r[Y] + g[Y] + b[Y];        \
230
        Y = py_2[2*i+1];                        \
231
        dst_2[2*i+1] = r[Y] + g[Y] + b[Y];
232

    
233
#define DST1RGB(i)                                                        \
234
        Y = py_1[2*i];                                                        \
235
        dst_1[6*i] = r[Y]; dst_1[6*i+1] = g[Y]; dst_1[6*i+2] = b[Y];        \
236
        Y = py_1[2*i+1];                                                \
237
        dst_1[6*i+3] = r[Y]; dst_1[6*i+4] = g[Y]; dst_1[6*i+5] = b[Y];
238

    
239
#define DST2RGB(i)                                                        \
240
        Y = py_2[2*i];                                                        \
241
        dst_2[6*i] = r[Y]; dst_2[6*i+1] = g[Y]; dst_2[6*i+2] = b[Y];        \
242
        Y = py_2[2*i+1];                                                \
243
        dst_2[6*i+3] = r[Y]; dst_2[6*i+4] = g[Y]; dst_2[6*i+5] = b[Y];
244

    
245
#define DST1BGR(i)                                                        \
246
        Y = py_1[2*i];                                                        \
247
        dst_1[6*i] = b[Y]; dst_1[6*i+1] = g[Y]; dst_1[6*i+2] = r[Y];        \
248
        Y = py_1[2*i+1];                                                \
249
        dst_1[6*i+3] = b[Y]; dst_1[6*i+4] = g[Y]; dst_1[6*i+5] = r[Y];
250

    
251
#define DST2BGR(i)                                                        \
252
        Y = py_2[2*i];                                                        \
253
        dst_2[6*i] = b[Y]; dst_2[6*i+1] = g[Y]; dst_2[6*i+2] = r[Y];        \
254
        Y = py_2[2*i+1];                                                \
255
        dst_2[6*i+3] = b[Y]; dst_2[6*i+4] = g[Y]; dst_2[6*i+5] = r[Y];
256

    
257
#define PROLOG(func_name, dst_type) \
258
static int func_name(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, \
259
             int srcSliceH, uint8_t* dst[], int dstStride[]){\
260
    int y;\
261
\
262
    if(c->srcFormat == IMGFMT_422P){\
263
        srcStride[1] *= 2;\
264
        srcStride[2] *= 2;\
265
    }\
266
    for(y=0; y<srcSliceH; y+=2){\
267
        dst_type *dst_1= (dst_type*)(dst[0] + (y+srcSliceY  )*dstStride[0]);\
268
        dst_type *dst_2= (dst_type*)(dst[0] + (y+srcSliceY+1)*dstStride[0]);\
269
        dst_type *r, *g, *b;\
270
        uint8_t *py_1= src[0] + y*srcStride[0];\
271
        uint8_t *py_2= py_1 + srcStride[0];\
272
        uint8_t *pu= src[1] + (y>>1)*srcStride[1];\
273
        uint8_t *pv= src[2] + (y>>1)*srcStride[2];\
274
        unsigned int h_size= c->dstW>>3;\
275
        while (h_size--) {\
276
            int U, V, Y;\
277

    
278
#define EPILOG(dst_delta)\
279
            pu += 4;\
280
            pv += 4;\
281
            py_1 += 8;\
282
            py_2 += 8;\
283
            dst_1 += dst_delta;\
284
            dst_2 += dst_delta;\
285
        }\
286
    }\
287
    return srcSliceH;\
288
}
289

    
290
PROLOG(yuv2rgb_c_32, uint32_t)
291
        RGB(0);
292
        DST1(0);
293
        DST2(0);
294

    
295
        RGB(1);
296
        DST2(1);
297
        DST1(1);
298

    
299
        RGB(2);
300
        DST1(2);
301
        DST2(2);
302

    
303
        RGB(3);
304
        DST2(3);
305
        DST1(3);
306
EPILOG(8)
307

    
308
PROLOG(yuv2rgb_c_24_rgb, uint8_t)
309
        RGB(0);
310
        DST1RGB(0);
311
        DST2RGB(0);
312

    
313
        RGB(1);
314
        DST2RGB(1);
315
        DST1RGB(1);
316

    
317
        RGB(2);
318
        DST1RGB(2);
319
        DST2RGB(2);
320

    
321
        RGB(3);
322
        DST2RGB(3);
323
        DST1RGB(3);
324
EPILOG(24)
325

    
326
// only trivial mods from yuv2rgb_c_24_rgb
327
PROLOG(yuv2rgb_c_24_bgr, uint8_t)
328
        RGB(0);
329
        DST1BGR(0);
330
        DST2BGR(0);
331

    
332
        RGB(1);
333
        DST2BGR(1);
334
        DST1BGR(1);
335

    
336
        RGB(2);
337
        DST1BGR(2);
338
        DST2BGR(2);
339

    
340
        RGB(3);
341
        DST2BGR(3);
342
        DST1BGR(3);
343
EPILOG(24)
344

    
345
// This is exactly the same code as yuv2rgb_c_32 except for the types of
346
// r, g, b, dst_1, dst_2
347
PROLOG(yuv2rgb_c_16, uint16_t)
348
        RGB(0);
349
        DST1(0);
350
        DST2(0);
351

    
352
        RGB(1);
353
        DST2(1);
354
        DST1(1);
355

    
356
        RGB(2);
357
        DST1(2);
358
        DST2(2);
359

    
360
        RGB(3);
361
        DST2(3);
362
        DST1(3);
363
EPILOG(8)
364

    
365
// This is exactly the same code as yuv2rgb_c_32 except for the types of
366
// r, g, b, dst_1, dst_2
367
PROLOG(yuv2rgb_c_8, uint8_t)
368
        RGB(0);
369
        DST1(0);
370
        DST2(0);
371

    
372
        RGB(1);
373
        DST2(1);
374
        DST1(1);
375

    
376
        RGB(2);
377
        DST1(2);
378
        DST2(2);
379

    
380
        RGB(3);
381
        DST2(3);
382
        DST1(3);
383
EPILOG(8)
384

    
385
// r, g, b, dst_1, dst_2
386
PROLOG(yuv2rgb_c_8_ordered_dither, uint8_t)
387
        const uint8_t *d32= dither_8x8_32[y&7];
388
        const uint8_t *d64= dither_8x8_73[y&7];
389
#define DST1bpp8(i,o)                                        \
390
        Y = py_1[2*i];                                \
391
        dst_1[2*i] = r[Y+d32[0+o]] + g[Y+d32[0+o]] + b[Y+d64[0+o]];        \
392
        Y = py_1[2*i+1];                        \
393
        dst_1[2*i+1] = r[Y+d32[1+o]] + g[Y+d32[1+o]] + b[Y+d64[1+o]];
394

    
395
#define DST2bpp8(i,o)                                        \
396
        Y = py_2[2*i];                                \
397
        dst_2[2*i] =  r[Y+d32[8+o]] + g[Y+d32[8+o]] + b[Y+d64[8+o]];        \
398
        Y = py_2[2*i+1];                        \
399
        dst_2[2*i+1] =  r[Y+d32[9+o]] + g[Y+d32[9+o]] + b[Y+d64[9+o]];
400

    
401

    
402
        RGB(0);
403
        DST1bpp8(0,0);
404
        DST2bpp8(0,0);
405

    
406
        RGB(1);
407
        DST2bpp8(1,2);
408
        DST1bpp8(1,2);
409

    
410
        RGB(2);
411
        DST1bpp8(2,4);
412
        DST2bpp8(2,4);
413

    
414
        RGB(3);
415
        DST2bpp8(3,6);
416
        DST1bpp8(3,6);
417
EPILOG(8)
418

    
419

    
420
// This is exactly the same code as yuv2rgb_c_32 except for the types of
421
// r, g, b, dst_1, dst_2
422
PROLOG(yuv2rgb_c_4, uint8_t)
423
        int acc;
424
#define DST1_4(i)                                        \
425
        Y = py_1[2*i];                                \
426
        acc = r[Y] + g[Y] + b[Y];        \
427
        Y = py_1[2*i+1];                        \
428
        acc |= (r[Y] + g[Y] + b[Y])<<4;\
429
        dst_1[i] = acc; 
430

    
431
#define DST2_4(i)                                        \
432
        Y = py_2[2*i];                                \
433
        acc = r[Y] + g[Y] + b[Y];        \
434
        Y = py_2[2*i+1];                        \
435
        acc |= (r[Y] + g[Y] + b[Y])<<4;\
436
        dst_2[i] = acc; 
437
        
438
        RGB(0);
439
        DST1_4(0);
440
        DST2_4(0);
441

    
442
        RGB(1);
443
        DST2_4(1);
444
        DST1_4(1);
445

    
446
        RGB(2);
447
        DST1_4(2);
448
        DST2_4(2);
449

    
450
        RGB(3);
451
        DST2_4(3);
452
        DST1_4(3);
453
EPILOG(4)
454

    
455
PROLOG(yuv2rgb_c_4_ordered_dither, uint8_t)
456
        const uint8_t *d64= dither_8x8_73[y&7];
457
        const uint8_t *d128=dither_8x8_220[y&7];
458
        int acc;
459

    
460
#define DST1bpp4(i,o)                                        \
461
        Y = py_1[2*i];                                \
462
        acc = r[Y+d128[0+o]] + g[Y+d64[0+o]] + b[Y+d128[0+o]];        \
463
        Y = py_1[2*i+1];                        \
464
        acc |= (r[Y+d128[1+o]] + g[Y+d64[1+o]] + b[Y+d128[1+o]])<<4;\
465
        dst_1[i]= acc;
466

    
467
#define DST2bpp4(i,o)                                        \
468
        Y = py_2[2*i];                                \
469
        acc =  r[Y+d128[8+o]] + g[Y+d64[8+o]] + b[Y+d128[8+o]];        \
470
        Y = py_2[2*i+1];                        \
471
        acc |=  (r[Y+d128[9+o]] + g[Y+d64[9+o]] + b[Y+d128[9+o]])<<4;\
472
        dst_2[i]= acc;
473

    
474

    
475
        RGB(0);
476
        DST1bpp4(0,0);
477
        DST2bpp4(0,0);
478

    
479
        RGB(1);
480
        DST2bpp4(1,2);
481
        DST1bpp4(1,2);
482

    
483
        RGB(2);
484
        DST1bpp4(2,4);
485
        DST2bpp4(2,4);
486

    
487
        RGB(3);
488
        DST2bpp4(3,6);
489
        DST1bpp4(3,6);
490
EPILOG(4)
491

    
492
// This is exactly the same code as yuv2rgb_c_32 except for the types of
493
// r, g, b, dst_1, dst_2
494
PROLOG(yuv2rgb_c_4b, uint8_t)
495
        RGB(0);
496
        DST1(0);
497
        DST2(0);
498

    
499
        RGB(1);
500
        DST2(1);
501
        DST1(1);
502

    
503
        RGB(2);
504
        DST1(2);
505
        DST2(2);
506

    
507
        RGB(3);
508
        DST2(3);
509
        DST1(3);
510
EPILOG(8)
511

    
512
PROLOG(yuv2rgb_c_4b_ordered_dither, uint8_t)
513
        const uint8_t *d64= dither_8x8_73[y&7];
514
        const uint8_t *d128=dither_8x8_220[y&7];
515

    
516
#define DST1bpp4b(i,o)                                        \
517
        Y = py_1[2*i];                                \
518
        dst_1[2*i] = r[Y+d128[0+o]] + g[Y+d64[0+o]] + b[Y+d128[0+o]];        \
519
        Y = py_1[2*i+1];                        \
520
        dst_1[2*i+1] = r[Y+d128[1+o]] + g[Y+d64[1+o]] + b[Y+d128[1+o]];
521

    
522
#define DST2bpp4b(i,o)                                        \
523
        Y = py_2[2*i];                                \
524
        dst_2[2*i] =  r[Y+d128[8+o]] + g[Y+d64[8+o]] + b[Y+d128[8+o]];        \
525
        Y = py_2[2*i+1];                        \
526
        dst_2[2*i+1] =  r[Y+d128[9+o]] + g[Y+d64[9+o]] + b[Y+d128[9+o]];
527

    
528

    
529
        RGB(0);
530
        DST1bpp4b(0,0);
531
        DST2bpp4b(0,0);
532

    
533
        RGB(1);
534
        DST2bpp4b(1,2);
535
        DST1bpp4b(1,2);
536

    
537
        RGB(2);
538
        DST1bpp4b(2,4);
539
        DST2bpp4b(2,4);
540

    
541
        RGB(3);
542
        DST2bpp4b(3,6);
543
        DST1bpp4b(3,6);
544
EPILOG(8)
545

    
546
PROLOG(yuv2rgb_c_1_ordered_dither, uint8_t)
547
        const uint8_t *d128=dither_8x8_220[y&7];
548
        char out_1=0, out_2=0;
549
        g= c->table_gU[128] + c->table_gV[128];
550

    
551
#define DST1bpp1(i,o)                                        \
552
        Y = py_1[2*i];                                \
553
        out_1+= out_1 + g[Y+d128[0+o]];        \
554
        Y = py_1[2*i+1];                        \
555
        out_1+= out_1 + g[Y+d128[1+o]];
556

    
557
#define DST2bpp1(i,o)                                        \
558
        Y = py_2[2*i];                                \
559
        out_2+= out_2 + g[Y+d128[8+o]];        \
560
        Y = py_2[2*i+1];                        \
561
        out_2+= out_2 + g[Y+d128[9+o]];
562

    
563
        DST1bpp1(0,0);
564
        DST2bpp1(0,0);
565

    
566
        DST2bpp1(1,2);
567
        DST1bpp1(1,2);
568

    
569
        DST1bpp1(2,4);
570
        DST2bpp1(2,4);
571

    
572
        DST2bpp1(3,6);
573
        DST1bpp1(3,6);
574
        
575
        dst_1[0]= out_1;
576
        dst_2[0]= out_2;
577
EPILOG(1)
578

    
579
SwsFunc yuv2rgb_get_func_ptr (SwsContext *c)
580
{
581
#if defined(ARCH_X86) || defined(ARCH_X86_64)
582
    if(c->flags & SWS_CPU_CAPS_MMX2){
583
        switch(c->dstFormat){
584
        case IMGFMT_BGR32: return yuv420_rgb32_MMX2;
585
        case IMGFMT_BGR24: return yuv420_rgb24_MMX2;
586
        case IMGFMT_BGR16: return yuv420_rgb16_MMX2;
587
        case IMGFMT_BGR15: return yuv420_rgb15_MMX2;
588
        }
589
    }
590
    if(c->flags & SWS_CPU_CAPS_MMX){
591
        switch(c->dstFormat){
592
        case IMGFMT_BGR32: return yuv420_rgb32_MMX;
593
        case IMGFMT_BGR24: return yuv420_rgb24_MMX;
594
        case IMGFMT_BGR16: return yuv420_rgb16_MMX;
595
        case IMGFMT_BGR15: return yuv420_rgb15_MMX;
596
        }
597
    }
598
#endif
599
#ifdef HAVE_MLIB
600
    {
601
        SwsFunc t= yuv2rgb_init_mlib(c);
602
        if(t) return t;
603
    }
604
#endif
605
#ifdef HAVE_ALTIVEC
606
    if (c->flags & SWS_CPU_CAPS_ALTIVEC)
607
    {
608
        SwsFunc t = yuv2rgb_init_altivec(c);
609
        if(t) return t;
610
    }
611
#endif
612

    
613
    MSG_WARN("No accelerated colorspace conversion found\n");
614

    
615
    switch(c->dstFormat){
616
    case IMGFMT_RGB32:
617
    case IMGFMT_BGR32: return yuv2rgb_c_32;
618
    case IMGFMT_RGB24: return yuv2rgb_c_24_rgb;
619
    case IMGFMT_BGR24: return yuv2rgb_c_24_bgr;
620
    case IMGFMT_RGB16:
621
    case IMGFMT_BGR16:
622
    case IMGFMT_RGB15:
623
    case IMGFMT_BGR15: return yuv2rgb_c_16;
624
    case IMGFMT_RGB8:
625
    case IMGFMT_BGR8:  return yuv2rgb_c_8_ordered_dither;
626
    case IMGFMT_RGB4:
627
    case IMGFMT_BGR4:  return yuv2rgb_c_4_ordered_dither;
628
    case IMGFMT_RG4B:
629
    case IMGFMT_BG4B:  return yuv2rgb_c_4b_ordered_dither;
630
    case IMGFMT_RGB1:
631
    case IMGFMT_BGR1:  return yuv2rgb_c_1_ordered_dither;
632
    default:
633
            assert(0);
634
    }
635
    return NULL;
636
}
637

    
638
static int div_round (int dividend, int divisor)
639
{
640
    if (dividend > 0)
641
        return (dividend + (divisor>>1)) / divisor;
642
    else
643
        return -((-dividend + (divisor>>1)) / divisor);
644
}
645

    
646
int yuv2rgb_c_init_tables (SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation)
647
{  
648
    const int isRgb = IMGFMT_IS_BGR(c->dstFormat);
649
    const int bpp = isRgb?IMGFMT_RGB_DEPTH(c->dstFormat):IMGFMT_BGR_DEPTH(c->dstFormat);
650
    int i;
651
    uint8_t table_Y[1024];
652
    uint32_t *table_32 = 0;
653
    uint16_t *table_16 = 0;
654
    uint8_t *table_8 = 0;
655
    uint8_t *table_332 = 0;
656
    uint8_t *table_121 = 0;
657
    uint8_t *table_1 = 0;
658
    int entry_size = 0;
659
    void *table_r = 0, *table_g = 0, *table_b = 0;
660
    void *table_start;
661

    
662
    int64_t crv =  inv_table[0];
663
    int64_t cbu =  inv_table[1];
664
    int64_t cgu = -inv_table[2];
665
    int64_t cgv = -inv_table[3];
666
    int64_t cy  = 1<<16;
667
    int64_t oy  = 0;
668

    
669
//printf("%lld %lld %lld %lld %lld\n", cy, crv, cbu, cgu, cgv);
670
    if(!fullRange){
671
        cy= (cy*255) / 219;
672
        oy= 16<<16;
673
    }
674
        
675
    cy = (cy *contrast             )>>16;
676
    crv= (crv*contrast * saturation)>>32;
677
    cbu= (cbu*contrast * saturation)>>32;
678
    cgu= (cgu*contrast * saturation)>>32;
679
    cgv= (cgv*contrast * saturation)>>32;
680
//printf("%lld %lld %lld %lld %lld\n", cy, crv, cbu, cgu, cgv);
681
    oy -= 256*brightness;
682

    
683
    for (i = 0; i < 1024; i++) {
684
        int j;
685

    
686
        j= (cy*(((i - 384)<<16) - oy) + (1<<31))>>32;
687
        j = (j < 0) ? 0 : ((j > 255) ? 255 : j);
688
        table_Y[i] = j;
689
    }
690

    
691
    switch (bpp) {
692
    case 32:
693
        table_start= table_32 = av_malloc ((197 + 2*682 + 256 + 132) * sizeof (uint32_t));
694

    
695
        entry_size = sizeof (uint32_t);
696
        table_r = table_32 + 197;
697
        table_b = table_32 + 197 + 685;
698
        table_g = table_32 + 197 + 2*682;
699

    
700
        for (i = -197; i < 256+197; i++)
701
            ((uint32_t *)table_r)[i] = table_Y[i+384] << (isRgb ? 16 : 0);
702
        for (i = -132; i < 256+132; i++)
703
            ((uint32_t *)table_g)[i] = table_Y[i+384] << 8;
704
        for (i = -232; i < 256+232; i++)
705
            ((uint32_t *)table_b)[i] = table_Y[i+384] << (isRgb ? 0 : 16);
706
        break;
707

    
708
    case 24:
709
        table_start= table_8 = av_malloc ((256 + 2*232) * sizeof (uint8_t));
710

    
711
        entry_size = sizeof (uint8_t);
712
        table_r = table_g = table_b = table_8 + 232;
713

    
714
        for (i = -232; i < 256+232; i++)
715
            ((uint8_t * )table_b)[i] = table_Y[i+384];
716
        break;
717

    
718
    case 15:
719
    case 16:
720
        table_start= table_16 = av_malloc ((197 + 2*682 + 256 + 132) * sizeof (uint16_t));
721

    
722
        entry_size = sizeof (uint16_t);
723
        table_r = table_16 + 197;
724
        table_b = table_16 + 197 + 685;
725
        table_g = table_16 + 197 + 2*682;
726

    
727
        for (i = -197; i < 256+197; i++) {
728
            int j = table_Y[i+384] >> 3;
729

    
730
            if (isRgb)
731
                j <<= ((bpp==16) ? 11 : 10);
732

    
733
            ((uint16_t *)table_r)[i] = j;
734
        }
735
        for (i = -132; i < 256+132; i++) {
736
            int j = table_Y[i+384] >> ((bpp==16) ? 2 : 3);
737

    
738
            ((uint16_t *)table_g)[i] = j << 5;
739
        }
740
        for (i = -232; i < 256+232; i++) {
741
            int j = table_Y[i+384] >> 3;
742

    
743
            if (!isRgb)
744
                j <<= ((bpp==16) ? 11 : 10);
745

    
746
            ((uint16_t *)table_b)[i] = j;
747
        }
748
        break;
749

    
750
    case 8:
751
        table_start= table_332 = av_malloc ((197 + 2*682 + 256 + 132) * sizeof (uint8_t));
752

    
753
        entry_size = sizeof (uint8_t);
754
        table_r = table_332 + 197;
755
        table_b = table_332 + 197 + 685;
756
        table_g = table_332 + 197 + 2*682;
757

    
758
        for (i = -197; i < 256+197; i++) {
759
            int j = (table_Y[i+384 - 16] + 18)/36;
760

    
761
            if (isRgb)
762
                j <<= 5;
763

    
764
            ((uint8_t *)table_r)[i] = j;
765
        }
766
        for (i = -132; i < 256+132; i++) {
767
            int j = (table_Y[i+384 - 16] + 18)/36;
768

    
769
            if (!isRgb)
770
                j <<= 1;
771

    
772
            ((uint8_t *)table_g)[i] = j << 2;
773
        }
774
        for (i = -232; i < 256+232; i++) {
775
            int j = (table_Y[i+384 - 37] + 43)/85;
776

    
777
            if (!isRgb)
778
                j <<= 6;
779

    
780
            ((uint8_t *)table_b)[i] = j;
781
        }
782
        break;
783
    case 4:
784
    case 4|128:
785
        table_start= table_121 = av_malloc ((197 + 2*682 + 256 + 132) * sizeof (uint8_t));
786

    
787
        entry_size = sizeof (uint8_t);
788
        table_r = table_121 + 197;
789
        table_b = table_121 + 197 + 685;
790
        table_g = table_121 + 197 + 2*682;
791

    
792
        for (i = -197; i < 256+197; i++) {
793
            int j = table_Y[i+384 - 110] >> 7;
794

    
795
            if (isRgb)
796
                j <<= 3;
797

    
798
            ((uint8_t *)table_r)[i] = j;
799
        }
800
        for (i = -132; i < 256+132; i++) {
801
            int j = (table_Y[i+384 - 37]+ 43)/85;
802

    
803
            ((uint8_t *)table_g)[i] = j << 1;
804
        }
805
        for (i = -232; i < 256+232; i++) {
806
            int j =table_Y[i+384 - 110] >> 7;
807

    
808
            if (!isRgb)
809
                j <<= 3;
810

    
811
            ((uint8_t *)table_b)[i] = j;
812
        }
813
        break;
814

    
815
    case 1:
816
        table_start= table_1 = av_malloc (256*2 * sizeof (uint8_t));
817

    
818
        entry_size = sizeof (uint8_t);
819
        table_g = table_1;
820
        table_r = table_b = NULL;
821

    
822
        for (i = 0; i < 256+256; i++) {
823
            int j = table_Y[i + 384 - 110]>>7;
824

    
825
            ((uint8_t *)table_g)[i] = j;
826
        }
827
        break;
828

    
829
    default:
830
        table_start= NULL;
831
        MSG_ERR("%ibpp not supported by yuv2rgb\n", bpp);
832
        //free mem?
833
        return -1;
834
    }
835

    
836
    for (i = 0; i < 256; i++) {
837
        c->table_rV[i] = table_r + entry_size * div_round (crv * (i-128), 76309);
838
        c->table_gU[i] = table_g + entry_size * div_round (cgu * (i-128), 76309);
839
        c->table_gV[i] = entry_size * div_round (cgv * (i-128), 76309);
840
        c->table_bU[i] = table_b + entry_size * div_round (cbu * (i-128), 76309);
841
    }
842

    
843
    av_free(c->yuvTable);
844
    c->yuvTable= table_start;
845
    return 0;
846
}