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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"
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//#include "video_out.h"
40
#include "rgb2rgb.h"
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#include "swscale.h"
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#include "swscale_internal.h"
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#include "../mangle.h"
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#include "../libvo/img_format.h" //FIXME try to reduce dependency of such stuff
45

    
46
#ifdef HAVE_MLIB
47
#include "yuv2rgb_mlib.c"
48
#endif
49

    
50
#define DITHER1XBPP // only for mmx
51

    
52
const uint8_t  __attribute__((aligned(8))) dither_2x2_4[2][8]={
53
{  1,   3,   1,   3,   1,   3,   1,   3, },
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{  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, },
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{  0,   4,   0,   4,   0,   4,   0,   4, },
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};
61

    
62
const uint8_t  __attribute__((aligned(8))) dither_8x8_32[8][8]={
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{ 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, },
71
};
72

    
73
#if 0
74
const uint8_t  __attribute__((aligned(8))) dither_8x8_64[8][8]={
75
{  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, },
83
};
84
#endif
85

    
86
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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};
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#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, },
107
};
108
#endif
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110
#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, },
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{  7, 172,  48, 213,   3, 168,  45, 210, },
120
};
121
#elif 1
122
// tries to correct a gamma of 1.5
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const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={
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{  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, },
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{ 14, 190,   6, 171,  12, 185,   5, 166, },
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{117,  57, 101,  44, 113,  54,  97,  41, },
132
};
133
#elif 1
134
// tries to correct a gamma of 2.0
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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, },
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{ 86,  31,  70,  21,  99,  39,  82,  28, },
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{  0, 134,  11, 206,   0, 129,   9, 200, },
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{ 62,  17, 114,  48,  58,  16, 109,  45, },
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{  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
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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, },
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{  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

    
159
#ifdef ARCH_X86
160

    
161
/* hope these constant values are cache line aligned */
162
uint64_t __attribute__((aligned(8))) mmx_00ffw = 0x00ff00ff00ff00ff;
163
uint64_t __attribute__((aligned(8))) mmx_redmask = 0xf8f8f8f8f8f8f8f8;
164
uint64_t __attribute__((aligned(8))) mmx_grnmask = 0xfcfcfcfcfcfcfcfc;
165

    
166
uint64_t __attribute__((aligned(8))) M24A=   0x00FF0000FF0000FFLL;
167
uint64_t __attribute__((aligned(8))) M24B=   0xFF0000FF0000FF00LL;
168
uint64_t __attribute__((aligned(8))) M24C=   0x0000FF0000FF0000LL;
169

    
170
// the volatile is required because gcc otherwise optimizes some writes away not knowing that these
171
// are read in the asm block
172
volatile uint64_t __attribute__((aligned(8))) b5Dither;
173
volatile uint64_t __attribute__((aligned(8))) g5Dither;
174
volatile uint64_t __attribute__((aligned(8))) g6Dither;
175
volatile uint64_t __attribute__((aligned(8))) r5Dither;
176

    
177
uint64_t __attribute__((aligned(8))) dither4[2]={
178
        0x0103010301030103LL,
179
        0x0200020002000200LL,};
180

    
181
uint64_t __attribute__((aligned(8))) dither8[2]={
182
        0x0602060206020602LL,
183
        0x0004000400040004LL,};
184

    
185
#undef HAVE_MMX
186
#undef ARCH_X86
187

    
188
//MMX versions
189
#undef RENAME
190
#define HAVE_MMX
191
#undef HAVE_MMX2
192
#undef HAVE_3DNOW
193
#define ARCH_X86
194
#define RENAME(a) a ## _MMX
195
#include "yuv2rgb_template.c"
196

    
197
//MMX2 versions
198
#undef RENAME
199
#define HAVE_MMX
200
#define HAVE_MMX2
201
#undef HAVE_3DNOW
202
#define ARCH_X86
203
#define RENAME(a) a ## _MMX2
204
#include "yuv2rgb_template.c"
205

    
206
#endif // CAN_COMPILE_X86_ASM
207

    
208
const int32_t Inverse_Table_6_9[8][4] = {
209
    {117504, 138453, 13954, 34903}, /* no sequence_display_extension */
210
    {117504, 138453, 13954, 34903}, /* ITU-R Rec. 709 (1990) */
211
    {104597, 132201, 25675, 53279}, /* unspecified */
212
    {104597, 132201, 25675, 53279}, /* reserved */
213
    {104448, 132798, 24759, 53109}, /* FCC */
214
    {104597, 132201, 25675, 53279}, /* ITU-R Rec. 624-4 System B, G */
215
    {104597, 132201, 25675, 53279}, /* SMPTE 170M */
216
    {117579, 136230, 16907, 35559}  /* SMPTE 240M (1987) */
217
};
218

    
219
#define RGB(i)                                        \
220
        U = pu[i];                                \
221
        V = pv[i];                                \
222
        r = c->table_rV[V];                        \
223
        g = c->table_gU[U] + c->table_gV[V];                \
224
        b = c->table_bU[U];
225

    
226
#define DST1(i)                                        \
227
        Y = py_1[2*i];                                \
228
        dst_1[2*i] = r[Y] + g[Y] + b[Y];        \
229
        Y = py_1[2*i+1];                        \
230
        dst_1[2*i+1] = r[Y] + g[Y] + b[Y];
231

    
232
#define DST2(i)                                        \
233
        Y = py_2[2*i];                                \
234
        dst_2[2*i] = r[Y] + g[Y] + b[Y];        \
235
        Y = py_2[2*i+1];                        \
236
        dst_2[2*i+1] = r[Y] + g[Y] + b[Y];
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238
#define DST1RGB(i)                                                        \
239
        Y = py_1[2*i];                                                        \
240
        dst_1[6*i] = r[Y]; dst_1[6*i+1] = g[Y]; dst_1[6*i+2] = b[Y];        \
241
        Y = py_1[2*i+1];                                                \
242
        dst_1[6*i+3] = r[Y]; dst_1[6*i+4] = g[Y]; dst_1[6*i+5] = b[Y];
243

    
244
#define DST2RGB(i)                                                        \
245
        Y = py_2[2*i];                                                        \
246
        dst_2[6*i] = r[Y]; dst_2[6*i+1] = g[Y]; dst_2[6*i+2] = b[Y];        \
247
        Y = py_2[2*i+1];                                                \
248
        dst_2[6*i+3] = r[Y]; dst_2[6*i+4] = g[Y]; dst_2[6*i+5] = b[Y];
249

    
250
#define DST1BGR(i)                                                        \
251
        Y = py_1[2*i];                                                        \
252
        dst_1[6*i] = b[Y]; dst_1[6*i+1] = g[Y]; dst_1[6*i+2] = r[Y];        \
253
        Y = py_1[2*i+1];                                                \
254
        dst_1[6*i+3] = b[Y]; dst_1[6*i+4] = g[Y]; dst_1[6*i+5] = r[Y];
255

    
256
#define DST2BGR(i)                                                        \
257
        Y = py_2[2*i];                                                        \
258
        dst_2[6*i] = b[Y]; dst_2[6*i+1] = g[Y]; dst_2[6*i+2] = r[Y];        \
259
        Y = py_2[2*i+1];                                                \
260
        dst_2[6*i+3] = b[Y]; dst_2[6*i+4] = g[Y]; dst_2[6*i+5] = r[Y];
261

    
262
#define PROLOG(func_name, dst_type) \
263
static int func_name(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, \
264
             int srcSliceH, uint8_t* dst[], int dstStride[]){\
265
    int y;\
266
\
267
    if(c->srcFormat == IMGFMT_422P){\
268
        srcStride[1] *= 2;\
269
        srcStride[2] *= 2;\
270
    }\
271
    for(y=0; y<srcSliceH; y+=2){\
272
        dst_type *dst_1= (dst_type*)(dst[0] + (y+srcSliceY  )*dstStride[0]);\
273
        dst_type *dst_2= (dst_type*)(dst[0] + (y+srcSliceY+1)*dstStride[0]);\
274
        dst_type *r, *g, *b;\
275
        uint8_t *py_1= src[0] + y*srcStride[0];\
276
        uint8_t *py_2= py_1 + srcStride[0];\
277
        uint8_t *pu= src[1] + (y>>1)*srcStride[1];\
278
        uint8_t *pv= src[2] + (y>>1)*srcStride[2];\
279
        unsigned int h_size= c->dstW>>3;\
280
        while (h_size--) {\
281
            int U, V, Y;\
282

    
283
#define EPILOG(dst_delta)\
284
            pu += 4;\
285
            pv += 4;\
286
            py_1 += 8;\
287
            py_2 += 8;\
288
            dst_1 += dst_delta;\
289
            dst_2 += dst_delta;\
290
        }\
291
    }\
292
    return srcSliceH;\
293
}
294

    
295
PROLOG(yuv2rgb_c_32, uint32_t)
296
        RGB(0);
297
        DST1(0);
298
        DST2(0);
299

    
300
        RGB(1);
301
        DST2(1);
302
        DST1(1);
303

    
304
        RGB(2);
305
        DST1(2);
306
        DST2(2);
307

    
308
        RGB(3);
309
        DST2(3);
310
        DST1(3);
311
EPILOG(8)
312

    
313
PROLOG(yuv2rgb_c_24_rgb, uint8_t)
314
        RGB(0);
315
        DST1RGB(0);
316
        DST2RGB(0);
317

    
318
        RGB(1);
319
        DST2RGB(1);
320
        DST1RGB(1);
321

    
322
        RGB(2);
323
        DST1RGB(2);
324
        DST2RGB(2);
325

    
326
        RGB(3);
327
        DST2RGB(3);
328
        DST1RGB(3);
329
EPILOG(24)
330

    
331
// only trivial mods from yuv2rgb_c_24_rgb
332
PROLOG(yuv2rgb_c_24_bgr, uint8_t)
333
        RGB(0);
334
        DST1BGR(0);
335
        DST2BGR(0);
336

    
337
        RGB(1);
338
        DST2BGR(1);
339
        DST1BGR(1);
340

    
341
        RGB(2);
342
        DST1BGR(2);
343
        DST2BGR(2);
344

    
345
        RGB(3);
346
        DST2BGR(3);
347
        DST1BGR(3);
348
EPILOG(24)
349

    
350
// This is exactly the same code as yuv2rgb_c_32 except for the types of
351
// r, g, b, dst_1, dst_2
352
PROLOG(yuv2rgb_c_16, uint16_t)
353
        RGB(0);
354
        DST1(0);
355
        DST2(0);
356

    
357
        RGB(1);
358
        DST2(1);
359
        DST1(1);
360

    
361
        RGB(2);
362
        DST1(2);
363
        DST2(2);
364

    
365
        RGB(3);
366
        DST2(3);
367
        DST1(3);
368
EPILOG(8)
369

    
370
// This is exactly the same code as yuv2rgb_c_32 except for the types of
371
// r, g, b, dst_1, dst_2
372
PROLOG(yuv2rgb_c_8, uint8_t)
373
        RGB(0);
374
        DST1(0);
375
        DST2(0);
376

    
377
        RGB(1);
378
        DST2(1);
379
        DST1(1);
380

    
381
        RGB(2);
382
        DST1(2);
383
        DST2(2);
384

    
385
        RGB(3);
386
        DST2(3);
387
        DST1(3);
388
EPILOG(8)
389

    
390
// r, g, b, dst_1, dst_2
391
PROLOG(yuv2rgb_c_8_ordered_dither, uint8_t)
392
        const uint8_t *d32= dither_8x8_32[y&7];
393
        const uint8_t *d64= dither_8x8_73[y&7];
394
#define DST1bpp8(i,o)                                        \
395
        Y = py_1[2*i];                                \
396
        dst_1[2*i] = r[Y+d32[0+o]] + g[Y+d32[0+o]] + b[Y+d64[0+o]];        \
397
        Y = py_1[2*i+1];                        \
398
        dst_1[2*i+1] = r[Y+d32[1+o]] + g[Y+d32[1+o]] + b[Y+d64[1+o]];
399

    
400
#define DST2bpp8(i,o)                                        \
401
        Y = py_2[2*i];                                \
402
        dst_2[2*i] =  r[Y+d32[8+o]] + g[Y+d32[8+o]] + b[Y+d64[8+o]];        \
403
        Y = py_2[2*i+1];                        \
404
        dst_2[2*i+1] =  r[Y+d32[9+o]] + g[Y+d32[9+o]] + b[Y+d64[9+o]];
405

    
406

    
407
        RGB(0);
408
        DST1bpp8(0,0);
409
        DST2bpp8(0,0);
410

    
411
        RGB(1);
412
        DST2bpp8(1,2);
413
        DST1bpp8(1,2);
414

    
415
        RGB(2);
416
        DST1bpp8(2,4);
417
        DST2bpp8(2,4);
418

    
419
        RGB(3);
420
        DST2bpp8(3,6);
421
        DST1bpp8(3,6);
422
EPILOG(8)
423

    
424

    
425
// This is exactly the same code as yuv2rgb_c_32 except for the types of
426
// r, g, b, dst_1, dst_2
427
PROLOG(yuv2rgb_c_4, uint8_t)
428
        int acc;
429
#define DST1_4(i)                                        \
430
        Y = py_1[2*i];                                \
431
        acc = r[Y] + g[Y] + b[Y];        \
432
        Y = py_1[2*i+1];                        \
433
        acc |= (r[Y] + g[Y] + b[Y])<<4;\
434
        dst_1[i] = acc; 
435

    
436
#define DST2_4(i)                                        \
437
        Y = py_2[2*i];                                \
438
        acc = r[Y] + g[Y] + b[Y];        \
439
        Y = py_2[2*i+1];                        \
440
        acc |= (r[Y] + g[Y] + b[Y])<<4;\
441
        dst_2[i] = acc; 
442
        
443
        RGB(0);
444
        DST1_4(0);
445
        DST2_4(0);
446

    
447
        RGB(1);
448
        DST2_4(1);
449
        DST1_4(1);
450

    
451
        RGB(2);
452
        DST1_4(2);
453
        DST2_4(2);
454

    
455
        RGB(3);
456
        DST2_4(3);
457
        DST1_4(3);
458
EPILOG(4)
459

    
460
PROLOG(yuv2rgb_c_4_ordered_dither, uint8_t)
461
        const uint8_t *d64= dither_8x8_73[y&7];
462
        const uint8_t *d128=dither_8x8_220[y&7];
463
        int acc;
464

    
465
#define DST1bpp4(i,o)                                        \
466
        Y = py_1[2*i];                                \
467
        acc = r[Y+d128[0+o]] + g[Y+d64[0+o]] + b[Y+d128[0+o]];        \
468
        Y = py_1[2*i+1];                        \
469
        acc |= (r[Y+d128[1+o]] + g[Y+d64[1+o]] + b[Y+d128[1+o]])<<4;\
470
        dst_1[i]= acc;
471

    
472
#define DST2bpp4(i,o)                                        \
473
        Y = py_2[2*i];                                \
474
        acc =  r[Y+d128[8+o]] + g[Y+d64[8+o]] + b[Y+d128[8+o]];        \
475
        Y = py_2[2*i+1];                        \
476
        acc |=  (r[Y+d128[9+o]] + g[Y+d64[9+o]] + b[Y+d128[9+o]])<<4;\
477
        dst_2[i]= acc;
478

    
479

    
480
        RGB(0);
481
        DST1bpp4(0,0);
482
        DST2bpp4(0,0);
483

    
484
        RGB(1);
485
        DST2bpp4(1,2);
486
        DST1bpp4(1,2);
487

    
488
        RGB(2);
489
        DST1bpp4(2,4);
490
        DST2bpp4(2,4);
491

    
492
        RGB(3);
493
        DST2bpp4(3,6);
494
        DST1bpp4(3,6);
495
EPILOG(4)
496

    
497
// This is exactly the same code as yuv2rgb_c_32 except for the types of
498
// r, g, b, dst_1, dst_2
499
PROLOG(yuv2rgb_c_4b, uint8_t)
500
        RGB(0);
501
        DST1(0);
502
        DST2(0);
503

    
504
        RGB(1);
505
        DST2(1);
506
        DST1(1);
507

    
508
        RGB(2);
509
        DST1(2);
510
        DST2(2);
511

    
512
        RGB(3);
513
        DST2(3);
514
        DST1(3);
515
EPILOG(8)
516

    
517
PROLOG(yuv2rgb_c_4b_ordered_dither, uint8_t)
518
        const uint8_t *d64= dither_8x8_73[y&7];
519
        const uint8_t *d128=dither_8x8_220[y&7];
520

    
521
#define DST1bpp4b(i,o)                                        \
522
        Y = py_1[2*i];                                \
523
        dst_1[2*i] = r[Y+d128[0+o]] + g[Y+d64[0+o]] + b[Y+d128[0+o]];        \
524
        Y = py_1[2*i+1];                        \
525
        dst_1[2*i+1] = r[Y+d128[1+o]] + g[Y+d64[1+o]] + b[Y+d128[1+o]];
526

    
527
#define DST2bpp4b(i,o)                                        \
528
        Y = py_2[2*i];                                \
529
        dst_2[2*i] =  r[Y+d128[8+o]] + g[Y+d64[8+o]] + b[Y+d128[8+o]];        \
530
        Y = py_2[2*i+1];                        \
531
        dst_2[2*i+1] =  r[Y+d128[9+o]] + g[Y+d64[9+o]] + b[Y+d128[9+o]];
532

    
533

    
534
        RGB(0);
535
        DST1bpp4b(0,0);
536
        DST2bpp4b(0,0);
537

    
538
        RGB(1);
539
        DST2bpp4b(1,2);
540
        DST1bpp4b(1,2);
541

    
542
        RGB(2);
543
        DST1bpp4b(2,4);
544
        DST2bpp4b(2,4);
545

    
546
        RGB(3);
547
        DST2bpp4b(3,6);
548
        DST1bpp4b(3,6);
549
EPILOG(8)
550

    
551
PROLOG(yuv2rgb_c_1_ordered_dither, uint8_t)
552
        const uint8_t *d128=dither_8x8_220[y&7];
553
        char out_1=0, out_2=0;
554
        g= c->table_gU[128] + c->table_gV[128];
555

    
556
#define DST1bpp1(i,o)                                        \
557
        Y = py_1[2*i];                                \
558
        out_1+= out_1 + g[Y+d128[0+o]];        \
559
        Y = py_1[2*i+1];                        \
560
        out_1+= out_1 + g[Y+d128[1+o]];
561

    
562
#define DST2bpp1(i,o)                                        \
563
        Y = py_2[2*i];                                \
564
        out_2+= out_2 + g[Y+d128[8+o]];        \
565
        Y = py_2[2*i+1];                        \
566
        out_2+= out_2 + g[Y+d128[9+o]];
567

    
568
        DST1bpp1(0,0);
569
        DST2bpp1(0,0);
570

    
571
        DST2bpp1(1,2);
572
        DST1bpp1(1,2);
573

    
574
        DST1bpp1(2,4);
575
        DST2bpp1(2,4);
576

    
577
        DST2bpp1(3,6);
578
        DST1bpp1(3,6);
579
        
580
        dst_1[0]= out_1;
581
        dst_2[0]= out_2;
582
EPILOG(1)
583

    
584
SwsFunc yuv2rgb_get_func_ptr (SwsContext *c)
585
{
586
#ifdef ARCH_X86
587
    if(c->flags & SWS_CPU_CAPS_MMX2){
588
        switch(c->dstFormat){
589
        case IMGFMT_BGR32: return yuv420_rgb32_MMX2;
590
        case IMGFMT_BGR24: return yuv420_rgb24_MMX2;
591
        case IMGFMT_BGR16: return yuv420_rgb16_MMX2;
592
        case IMGFMT_BGR15: return yuv420_rgb15_MMX2;
593
        }
594
    }
595
    if(c->flags & SWS_CPU_CAPS_MMX){
596
        switch(c->dstFormat){
597
        case IMGFMT_BGR32: return yuv420_rgb32_MMX;
598
        case IMGFMT_BGR24: return yuv420_rgb24_MMX;
599
        case IMGFMT_BGR16: return yuv420_rgb16_MMX;
600
        case IMGFMT_BGR15: return yuv420_rgb15_MMX;
601
        }
602
    }
603
#endif
604
#ifdef HAVE_MLIB
605
    {
606
        SwsFunc t= yuv2rgb_init_mlib(c);
607
        if(t) return t;
608
    }
609
#endif
610
    MSG_WARN("No accelerated colorspace conversion found\n");
611

    
612
    switch(c->dstFormat){
613
    case IMGFMT_RGB32:
614
    case IMGFMT_BGR32: return yuv2rgb_c_32;
615
    case IMGFMT_RGB24: return yuv2rgb_c_24_rgb;
616
    case IMGFMT_BGR24: return yuv2rgb_c_24_bgr;
617
    case IMGFMT_RGB16:
618
    case IMGFMT_BGR16:
619
    case IMGFMT_RGB15:
620
    case IMGFMT_BGR15: return yuv2rgb_c_16;
621
    case IMGFMT_RGB8:
622
    case IMGFMT_BGR8:  return yuv2rgb_c_8_ordered_dither;
623
    case IMGFMT_RGB4:
624
    case IMGFMT_BGR4:  return yuv2rgb_c_4_ordered_dither;
625
    case IMGFMT_RG4B:
626
    case IMGFMT_BG4B:  return yuv2rgb_c_4b_ordered_dither;
627
    case IMGFMT_RGB1:
628
    case IMGFMT_BGR1:  return yuv2rgb_c_1_ordered_dither;
629
    default:
630
            assert(0);
631
    }
632
    return NULL;
633
}
634

    
635
static int div_round (int dividend, int divisor)
636
{
637
    if (dividend > 0)
638
        return (dividend + (divisor>>1)) / divisor;
639
    else
640
        return -((-dividend + (divisor>>1)) / divisor);
641
}
642

    
643
int yuv2rgb_c_init_tables (SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation)
644
{  
645
    const int isRgb = IMGFMT_IS_RGB(c->dstFormat);
646
    const int bpp = isRgb?IMGFMT_RGB_DEPTH(c->dstFormat):IMGFMT_BGR_DEPTH(c->dstFormat);
647
    int i;
648
    uint8_t table_Y[1024];
649
    uint32_t *table_32 = 0;
650
    uint16_t *table_16 = 0;
651
    uint8_t *table_8 = 0;
652
    uint8_t *table_332 = 0;
653
    uint8_t *table_121 = 0;
654
    uint8_t *table_1 = 0;
655
    int entry_size = 0;
656
    void *table_r = 0, *table_g = 0, *table_b = 0;
657
    void *table_start;
658

    
659
    int64_t crv =  inv_table[0];
660
    int64_t cbu =  inv_table[1];
661
    int64_t cgu = -inv_table[2];
662
    int64_t cgv = -inv_table[3];
663
    int64_t cy  = 1<<16;
664
    int64_t oy  = 0;
665

    
666
//printf("%lld %lld %lld %lld %lld\n", cy, crv, cbu, cgu, cgv);
667
    if(!fullRange){
668
        cy= (cy*255) / 219;
669
        oy= 16<<16;
670
    }
671
        
672
    cy = (cy *contrast             )>>16;
673
    crv= (crv*contrast * saturation)>>32;
674
    cbu= (cbu*contrast * saturation)>>32;
675
    cgu= (cgu*contrast * saturation)>>32;
676
    cgv= (cgv*contrast * saturation)>>32;
677
//printf("%lld %lld %lld %lld %lld\n", cy, crv, cbu, cgu, cgv);
678
    oy -= 256*brightness;
679

    
680
    for (i = 0; i < 1024; i++) {
681
        int j;
682

    
683
        j= (cy*(((i - 384)<<16) - oy) + (1<<31))>>32;
684
        j = (j < 0) ? 0 : ((j > 255) ? 255 : j);
685
        table_Y[i] = j;
686
    }
687

    
688
    switch (bpp) {
689
    case 32:
690
        table_start= table_32 = malloc ((197 + 2*682 + 256 + 132) * sizeof (uint32_t));
691

    
692
        entry_size = sizeof (uint32_t);
693
        table_r = table_32 + 197;
694
        table_b = table_32 + 197 + 685;
695
        table_g = table_32 + 197 + 2*682;
696

    
697
        for (i = -197; i < 256+197; i++)
698
            ((uint32_t *)table_r)[i] = table_Y[i+384] << (isRgb ? 16 : 0);
699
        for (i = -132; i < 256+132; i++)
700
            ((uint32_t *)table_g)[i] = table_Y[i+384] << 8;
701
        for (i = -232; i < 256+232; i++)
702
            ((uint32_t *)table_b)[i] = table_Y[i+384] << (isRgb ? 0 : 16);
703
        break;
704

    
705
    case 24:
706
        table_start= table_8 = malloc ((256 + 2*232) * sizeof (uint8_t));
707

    
708
        entry_size = sizeof (uint8_t);
709
        table_r = table_g = table_b = table_8 + 232;
710

    
711
        for (i = -232; i < 256+232; i++)
712
            ((uint8_t * )table_b)[i] = table_Y[i+384];
713
        break;
714

    
715
    case 15:
716
    case 16:
717
        table_start= table_16 = malloc ((197 + 2*682 + 256 + 132) * sizeof (uint16_t));
718

    
719
        entry_size = sizeof (uint16_t);
720
        table_r = table_16 + 197;
721
        table_b = table_16 + 197 + 685;
722
        table_g = table_16 + 197 + 2*682;
723

    
724
        for (i = -197; i < 256+197; i++) {
725
            int j = table_Y[i+384] >> 3;
726

    
727
            if (isRgb)
728
                j <<= ((bpp==16) ? 11 : 10);
729

    
730
            ((uint16_t *)table_r)[i] = j;
731
        }
732
        for (i = -132; i < 256+132; i++) {
733
            int j = table_Y[i+384] >> ((bpp==16) ? 2 : 3);
734

    
735
            ((uint16_t *)table_g)[i] = j << 5;
736
        }
737
        for (i = -232; i < 256+232; i++) {
738
            int j = table_Y[i+384] >> 3;
739

    
740
            if (!isRgb)
741
                j <<= ((bpp==16) ? 11 : 10);
742

    
743
            ((uint16_t *)table_b)[i] = j;
744
        }
745
        break;
746

    
747
    case 8:
748
        table_start= table_332 = malloc ((197 + 2*682 + 256 + 132) * sizeof (uint8_t));
749

    
750
        entry_size = sizeof (uint8_t);
751
        table_r = table_332 + 197;
752
        table_b = table_332 + 197 + 685;
753
        table_g = table_332 + 197 + 2*682;
754

    
755
        for (i = -197; i < 256+197; i++) {
756
            int j = (table_Y[i+384 - 16] + 18)/36;
757

    
758
            if (isRgb)
759
                j <<= 5;
760

    
761
            ((uint8_t *)table_r)[i] = j;
762
        }
763
        for (i = -132; i < 256+132; i++) {
764
            int j = (table_Y[i+384 - 16] + 18)/36;
765

    
766
            if (!isRgb)
767
                j <<= 1;
768

    
769
            ((uint8_t *)table_g)[i] = j << 2;
770
        }
771
        for (i = -232; i < 256+232; i++) {
772
            int j = (table_Y[i+384 - 37] + 43)/85;
773

    
774
            if (!isRgb)
775
                j <<= 6;
776

    
777
            ((uint8_t *)table_b)[i] = j;
778
        }
779
        break;
780
    case 4:
781
    case 4|128:
782
        table_start= table_121 = malloc ((197 + 2*682 + 256 + 132) * sizeof (uint8_t));
783

    
784
        entry_size = sizeof (uint8_t);
785
        table_r = table_121 + 197;
786
        table_b = table_121 + 197 + 685;
787
        table_g = table_121 + 197 + 2*682;
788

    
789
        for (i = -197; i < 256+197; i++) {
790
            int j = table_Y[i+384 - 110] >> 7;
791

    
792
            if (isRgb)
793
                j <<= 3;
794

    
795
            ((uint8_t *)table_r)[i] = j;
796
        }
797
        for (i = -132; i < 256+132; i++) {
798
            int j = (table_Y[i+384 - 37]+ 43)/85;
799

    
800
            ((uint8_t *)table_g)[i] = j << 1;
801
        }
802
        for (i = -232; i < 256+232; i++) {
803
            int j =table_Y[i+384 - 110] >> 7;
804

    
805
            if (!isRgb)
806
                j <<= 3;
807

    
808
            ((uint8_t *)table_b)[i] = j;
809
        }
810
        break;
811

    
812
    case 1:
813
        table_start= table_1 = malloc (256*2 * sizeof (uint8_t));
814

    
815
        entry_size = sizeof (uint8_t);
816
        table_g = table_1;
817
        table_r = table_b = NULL;
818

    
819
        for (i = 0; i < 256+256; i++) {
820
            int j = table_Y[i + 384 - 110]>>7;
821

    
822
            ((uint8_t *)table_g)[i] = j;
823
        }
824
        break;
825

    
826
    default:
827
        table_start= NULL;
828
        MSG_ERR("%ibpp not supported by yuv2rgb\n", bpp);
829
        //free mem?
830
        return -1;
831
    }
832

    
833
    for (i = 0; i < 256; i++) {
834
        c->table_rV[i] = table_r + entry_size * div_round (crv * (i-128), 76309);
835
        c->table_gU[i] = table_g + entry_size * div_round (cgu * (i-128), 76309);
836
        c->table_gV[i] = entry_size * div_round (cgv * (i-128), 76309);
837
        c->table_bU[i] = table_b + entry_size * div_round (cbu * (i-128), 76309);
838
    }
839

    
840
    if(c->yuvTable) free(c->yuvTable);
841
    c->yuvTable= table_start;
842
    return 0;
843
}