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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 mpeg2dec; if not, write to the Free Software
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 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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"
42

    
43
#ifdef HAVE_MLIB
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#include "yuv2rgb_mlib.c"
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#endif
46

    
47
#define DITHER1XBPP // only for mmx
48

    
49
const uint8_t  __attribute__((aligned(8))) dither_2x2_4[2][8]={
50
{  1,   3,   1,   3,   1,   3,   1,   3, },
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{  2,   0,   2,   0,   2,   0,   2,   0, },
52
};
53

    
54
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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};
58

    
59
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, },
68
};
69

    
70
#if 0
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const uint8_t  __attribute__((aligned(8))) dither_8x8_64[8][8]={
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{  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, },
80
};
81
#endif
82

    
83
const uint8_t  __attribute__((aligned(8))) dither_8x8_73[8][8]={
84
{  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, },
104
};
105
#endif
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107
#if 1
108
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, },
117
};
118
#elif 1
119
// tries to correct a gamma of 1.5
120
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, },
128
{117,  57, 101,  44, 113,  54,  97,  41, },
129
};
130
#elif 1
131
// tries to correct a gamma of 2.0
132
const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={
133
{  0, 124,   8, 193,   0, 140,  12, 213, },
134
{ 55,  14, 104,  42,  66,  19, 119,  52, },
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{  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, },
140
{ 95,  36,  78,  26,  90,  34,  74,  24, },
141
};
142
#else
143
// tries to correct a gamma of 2.5
144
const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={
145
{  0, 107,   3, 187,   0, 125,   6, 212, },
146
{ 39,   7,  86,  28,  49,  11, 102,  36, },
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{  1, 158,   0, 131,   3, 180,   1, 151, },
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{ 68,  19,  52,  12,  81,  25,  64,  17, },
149
{  0, 119,   5, 203,   0, 113,   4, 195, },
150
{ 45,   9,  96,  33,  42,   8,  91,  30, },
151
{  2, 172,   1, 144,   2, 165,   0, 137, },
152
{ 77,  23,  60,  15,  72,  21,  56,  14, },
153
};
154
#endif
155

    
156
#ifdef HAVE_MMX
157

    
158
/* hope these constant values are cache line aligned */
159
static uint64_t attribute_used __attribute__((aligned(8))) mmx_00ffw = 0x00ff00ff00ff00ffULL;
160
static uint64_t attribute_used __attribute__((aligned(8))) mmx_redmask = 0xf8f8f8f8f8f8f8f8ULL;
161
static uint64_t attribute_used __attribute__((aligned(8))) mmx_grnmask = 0xfcfcfcfcfcfcfcfcULL;
162

    
163
static uint64_t attribute_used __attribute__((aligned(8))) M24A=   0x00FF0000FF0000FFULL;
164
static uint64_t attribute_used __attribute__((aligned(8))) M24B=   0xFF0000FF0000FF00ULL;
165
static uint64_t attribute_used __attribute__((aligned(8))) M24C=   0x0000FF0000FF0000ULL;
166

    
167
// the volatile is required because gcc otherwise optimizes some writes away not knowing that these
168
// are read in the asm block
169
static volatile uint64_t attribute_used __attribute__((aligned(8))) b5Dither;
170
static volatile uint64_t attribute_used __attribute__((aligned(8))) g5Dither;
171
static volatile uint64_t attribute_used __attribute__((aligned(8))) g6Dither;
172
static volatile uint64_t attribute_used __attribute__((aligned(8))) r5Dither;
173

    
174
static uint64_t __attribute__((aligned(8))) dither4[2]={
175
        0x0103010301030103LL,
176
        0x0200020002000200LL,};
177

    
178
static uint64_t __attribute__((aligned(8))) dither8[2]={
179
        0x0602060206020602LL,
180
        0x0004000400040004LL,};
181

    
182
#undef HAVE_MMX
183

    
184
//MMX versions
185
#undef RENAME
186
#define HAVE_MMX
187
#undef HAVE_MMX2
188
#undef HAVE_3DNOW
189
#define RENAME(a) a ## _MMX
190
#include "yuv2rgb_template.c"
191

    
192
//MMX2 versions
193
#undef RENAME
194
#define HAVE_MMX
195
#define HAVE_MMX2
196
#undef HAVE_3DNOW
197
#define RENAME(a) a ## _MMX2
198
#include "yuv2rgb_template.c"
199

    
200
#endif /* defined(ARCH_X86) */
201

    
202
const int32_t Inverse_Table_6_9[8][4] = {
203
    {117504, 138453, 13954, 34903}, /* no sequence_display_extension */
204
    {117504, 138453, 13954, 34903}, /* ITU-R Rec. 709 (1990) */
205
    {104597, 132201, 25675, 53279}, /* unspecified */
206
    {104597, 132201, 25675, 53279}, /* reserved */
207
    {104448, 132798, 24759, 53109}, /* FCC */
208
    {104597, 132201, 25675, 53279}, /* ITU-R Rec. 624-4 System B, G */
209
    {104597, 132201, 25675, 53279}, /* SMPTE 170M */
210
    {117579, 136230, 16907, 35559}  /* SMPTE 240M (1987) */
211
};
212

    
213
#define RGB(i)                                        \
214
        U = pu[i];                                \
215
        V = pv[i];                                \
216
        r = (void *)c->table_rV[V];                        \
217
        g = (void *)(c->table_gU[U] + c->table_gV[V]);                \
218
        b = (void *)c->table_bU[U];
219

    
220
#define DST1(i)                                        \
221
        Y = py_1[2*i];                                \
222
        dst_1[2*i] = r[Y] + g[Y] + b[Y];        \
223
        Y = py_1[2*i+1];                        \
224
        dst_1[2*i+1] = r[Y] + g[Y] + b[Y];
225

    
226
#define DST2(i)                                        \
227
        Y = py_2[2*i];                                \
228
        dst_2[2*i] = r[Y] + g[Y] + b[Y];        \
229
        Y = py_2[2*i+1];                        \
230
        dst_2[2*i+1] = r[Y] + g[Y] + b[Y];
231

    
232
#define DST1RGB(i)                                                        \
233
        Y = py_1[2*i];                                                        \
234
        dst_1[6*i] = r[Y]; dst_1[6*i+1] = g[Y]; dst_1[6*i+2] = b[Y];        \
235
        Y = py_1[2*i+1];                                                \
236
        dst_1[6*i+3] = r[Y]; dst_1[6*i+4] = g[Y]; dst_1[6*i+5] = b[Y];
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238
#define DST2RGB(i)                                                        \
239
        Y = py_2[2*i];                                                        \
240
        dst_2[6*i] = r[Y]; dst_2[6*i+1] = g[Y]; dst_2[6*i+2] = b[Y];        \
241
        Y = py_2[2*i+1];                                                \
242
        dst_2[6*i+3] = r[Y]; dst_2[6*i+4] = g[Y]; dst_2[6*i+5] = b[Y];
243

    
244
#define DST1BGR(i)                                                        \
245
        Y = py_1[2*i];                                                        \
246
        dst_1[6*i] = b[Y]; dst_1[6*i+1] = g[Y]; dst_1[6*i+2] = r[Y];        \
247
        Y = py_1[2*i+1];                                                \
248
        dst_1[6*i+3] = b[Y]; dst_1[6*i+4] = g[Y]; dst_1[6*i+5] = r[Y];
249

    
250
#define DST2BGR(i)                                                        \
251
        Y = py_2[2*i];                                                        \
252
        dst_2[6*i] = b[Y]; dst_2[6*i+1] = g[Y]; dst_2[6*i+2] = r[Y];        \
253
        Y = py_2[2*i+1];                                                \
254
        dst_2[6*i+3] = b[Y]; dst_2[6*i+4] = g[Y]; dst_2[6*i+5] = r[Y];
255

    
256
#define PROLOG(func_name, dst_type) \
257
static int func_name(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, \
258
             int srcSliceH, uint8_t* dst[], int dstStride[]){\
259
    int y;\
260
\
261
    if(c->srcFormat == PIX_FMT_YUV422P){\
262
        srcStride[1] *= 2;\
263
        srcStride[2] *= 2;\
264
    }\
265
    for(y=0; y<srcSliceH; y+=2){\
266
        dst_type *dst_1= (dst_type*)(dst[0] + (y+srcSliceY  )*dstStride[0]);\
267
        dst_type *dst_2= (dst_type*)(dst[0] + (y+srcSliceY+1)*dstStride[0]);\
268
        dst_type attribute_unused *r, *b;\
269
        dst_type *g;\
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 attribute_unused U, V;\
277
            int Y;\
278

    
279
#define EPILOG(dst_delta)\
280
            pu += 4;\
281
            pv += 4;\
282
            py_1 += 8;\
283
            py_2 += 8;\
284
            dst_1 += dst_delta;\
285
            dst_2 += dst_delta;\
286
        }\
287
    }\
288
    return srcSliceH;\
289
}
290

    
291
PROLOG(yuv2rgb_c_32, uint32_t)
292
        RGB(0);
293
        DST1(0);
294
        DST2(0);
295

    
296
        RGB(1);
297
        DST2(1);
298
        DST1(1);
299

    
300
        RGB(2);
301
        DST1(2);
302
        DST2(2);
303

    
304
        RGB(3);
305
        DST2(3);
306
        DST1(3);
307
EPILOG(8)
308

    
309
PROLOG(yuv2rgb_c_24_rgb, uint8_t)
310
        RGB(0);
311
        DST1RGB(0);
312
        DST2RGB(0);
313

    
314
        RGB(1);
315
        DST2RGB(1);
316
        DST1RGB(1);
317

    
318
        RGB(2);
319
        DST1RGB(2);
320
        DST2RGB(2);
321

    
322
        RGB(3);
323
        DST2RGB(3);
324
        DST1RGB(3);
325
EPILOG(24)
326

    
327
// only trivial mods from yuv2rgb_c_24_rgb
328
PROLOG(yuv2rgb_c_24_bgr, uint8_t)
329
        RGB(0);
330
        DST1BGR(0);
331
        DST2BGR(0);
332

    
333
        RGB(1);
334
        DST2BGR(1);
335
        DST1BGR(1);
336

    
337
        RGB(2);
338
        DST1BGR(2);
339
        DST2BGR(2);
340

    
341
        RGB(3);
342
        DST2BGR(3);
343
        DST1BGR(3);
344
EPILOG(24)
345

    
346
// This is exactly the same code as yuv2rgb_c_32 except for the types of
347
// r, g, b, dst_1, dst_2
348
PROLOG(yuv2rgb_c_16, uint16_t)
349
        RGB(0);
350
        DST1(0);
351
        DST2(0);
352

    
353
        RGB(1);
354
        DST2(1);
355
        DST1(1);
356

    
357
        RGB(2);
358
        DST1(2);
359
        DST2(2);
360

    
361
        RGB(3);
362
        DST2(3);
363
        DST1(3);
364
EPILOG(8)
365

    
366
// This is exactly the same code as yuv2rgb_c_32 except for the types of
367
// r, g, b, dst_1, dst_2
368
PROLOG(yuv2rgb_c_8, uint8_t)
369
        RGB(0);
370
        DST1(0);
371
        DST2(0);
372

    
373
        RGB(1);
374
        DST2(1);
375
        DST1(1);
376

    
377
        RGB(2);
378
        DST1(2);
379
        DST2(2);
380

    
381
        RGB(3);
382
        DST2(3);
383
        DST1(3);
384
EPILOG(8)
385

    
386
// r, g, b, dst_1, dst_2
387
PROLOG(yuv2rgb_c_8_ordered_dither, uint8_t)
388
        const uint8_t *d32= dither_8x8_32[y&7];
389
        const uint8_t *d64= dither_8x8_73[y&7];
390
#define DST1bpp8(i,o)                                        \
391
        Y = py_1[2*i];                                \
392
        dst_1[2*i] = r[Y+d32[0+o]] + g[Y+d32[0+o]] + b[Y+d64[0+o]];        \
393
        Y = py_1[2*i+1];                        \
394
        dst_1[2*i+1] = r[Y+d32[1+o]] + g[Y+d32[1+o]] + b[Y+d64[1+o]];
395

    
396
#define DST2bpp8(i,o)                                        \
397
        Y = py_2[2*i];                                \
398
        dst_2[2*i] =  r[Y+d32[8+o]] + g[Y+d32[8+o]] + b[Y+d64[8+o]];        \
399
        Y = py_2[2*i+1];                        \
400
        dst_2[2*i+1] =  r[Y+d32[9+o]] + g[Y+d32[9+o]] + b[Y+d64[9+o]];
401

    
402

    
403
        RGB(0);
404
        DST1bpp8(0,0);
405
        DST2bpp8(0,0);
406

    
407
        RGB(1);
408
        DST2bpp8(1,2);
409
        DST1bpp8(1,2);
410

    
411
        RGB(2);
412
        DST1bpp8(2,4);
413
        DST2bpp8(2,4);
414

    
415
        RGB(3);
416
        DST2bpp8(3,6);
417
        DST1bpp8(3,6);
418
EPILOG(8)
419

    
420

    
421
// This is exactly the same code as yuv2rgb_c_32 except for the types of
422
// r, g, b, dst_1, dst_2
423
PROLOG(yuv2rgb_c_4, uint8_t)
424
        int acc;
425
#define DST1_4(i)                                        \
426
        Y = py_1[2*i];                                \
427
        acc = r[Y] + g[Y] + b[Y];        \
428
        Y = py_1[2*i+1];                        \
429
        acc |= (r[Y] + g[Y] + b[Y])<<4;\
430
        dst_1[i] = acc; 
431

    
432
#define DST2_4(i)                                        \
433
        Y = py_2[2*i];                                \
434
        acc = r[Y] + g[Y] + b[Y];        \
435
        Y = py_2[2*i+1];                        \
436
        acc |= (r[Y] + g[Y] + b[Y])<<4;\
437
        dst_2[i] = acc; 
438
        
439
        RGB(0);
440
        DST1_4(0);
441
        DST2_4(0);
442

    
443
        RGB(1);
444
        DST2_4(1);
445
        DST1_4(1);
446

    
447
        RGB(2);
448
        DST1_4(2);
449
        DST2_4(2);
450

    
451
        RGB(3);
452
        DST2_4(3);
453
        DST1_4(3);
454
EPILOG(4)
455

    
456
PROLOG(yuv2rgb_c_4_ordered_dither, uint8_t)
457
        const uint8_t *d64= dither_8x8_73[y&7];
458
        const uint8_t *d128=dither_8x8_220[y&7];
459
        int acc;
460

    
461
#define DST1bpp4(i,o)                                        \
462
        Y = py_1[2*i];                                \
463
        acc = r[Y+d128[0+o]] + g[Y+d64[0+o]] + b[Y+d128[0+o]];        \
464
        Y = py_1[2*i+1];                        \
465
        acc |= (r[Y+d128[1+o]] + g[Y+d64[1+o]] + b[Y+d128[1+o]])<<4;\
466
        dst_1[i]= acc;
467

    
468
#define DST2bpp4(i,o)                                        \
469
        Y = py_2[2*i];                                \
470
        acc =  r[Y+d128[8+o]] + g[Y+d64[8+o]] + b[Y+d128[8+o]];        \
471
        Y = py_2[2*i+1];                        \
472
        acc |=  (r[Y+d128[9+o]] + g[Y+d64[9+o]] + b[Y+d128[9+o]])<<4;\
473
        dst_2[i]= acc;
474

    
475

    
476
        RGB(0);
477
        DST1bpp4(0,0);
478
        DST2bpp4(0,0);
479

    
480
        RGB(1);
481
        DST2bpp4(1,2);
482
        DST1bpp4(1,2);
483

    
484
        RGB(2);
485
        DST1bpp4(2,4);
486
        DST2bpp4(2,4);
487

    
488
        RGB(3);
489
        DST2bpp4(3,6);
490
        DST1bpp4(3,6);
491
EPILOG(4)
492

    
493
// This is exactly the same code as yuv2rgb_c_32 except for the types of
494
// r, g, b, dst_1, dst_2
495
PROLOG(yuv2rgb_c_4b, uint8_t)
496
        RGB(0);
497
        DST1(0);
498
        DST2(0);
499

    
500
        RGB(1);
501
        DST2(1);
502
        DST1(1);
503

    
504
        RGB(2);
505
        DST1(2);
506
        DST2(2);
507

    
508
        RGB(3);
509
        DST2(3);
510
        DST1(3);
511
EPILOG(8)
512

    
513
PROLOG(yuv2rgb_c_4b_ordered_dither, uint8_t)
514
        const uint8_t *d64= dither_8x8_73[y&7];
515
        const uint8_t *d128=dither_8x8_220[y&7];
516

    
517
#define DST1bpp4b(i,o)                                        \
518
        Y = py_1[2*i];                                \
519
        dst_1[2*i] = r[Y+d128[0+o]] + g[Y+d64[0+o]] + b[Y+d128[0+o]];        \
520
        Y = py_1[2*i+1];                        \
521
        dst_1[2*i+1] = r[Y+d128[1+o]] + g[Y+d64[1+o]] + b[Y+d128[1+o]];
522

    
523
#define DST2bpp4b(i,o)                                        \
524
        Y = py_2[2*i];                                \
525
        dst_2[2*i] =  r[Y+d128[8+o]] + g[Y+d64[8+o]] + b[Y+d128[8+o]];        \
526
        Y = py_2[2*i+1];                        \
527
        dst_2[2*i+1] =  r[Y+d128[9+o]] + g[Y+d64[9+o]] + b[Y+d128[9+o]];
528

    
529

    
530
        RGB(0);
531
        DST1bpp4b(0,0);
532
        DST2bpp4b(0,0);
533

    
534
        RGB(1);
535
        DST2bpp4b(1,2);
536
        DST1bpp4b(1,2);
537

    
538
        RGB(2);
539
        DST1bpp4b(2,4);
540
        DST2bpp4b(2,4);
541

    
542
        RGB(3);
543
        DST2bpp4b(3,6);
544
        DST1bpp4b(3,6);
545
EPILOG(8)
546

    
547
PROLOG(yuv2rgb_c_1_ordered_dither, uint8_t)
548
        const uint8_t *d128=dither_8x8_220[y&7];
549
        char out_1=0, out_2=0;
550
        g= c->table_gU[128] + c->table_gV[128];
551

    
552
#define DST1bpp1(i,o)                                        \
553
        Y = py_1[2*i];                                \
554
        out_1+= out_1 + g[Y+d128[0+o]];        \
555
        Y = py_1[2*i+1];                        \
556
        out_1+= out_1 + g[Y+d128[1+o]];
557

    
558
#define DST2bpp1(i,o)                                        \
559
        Y = py_2[2*i];                                \
560
        out_2+= out_2 + g[Y+d128[8+o]];        \
561
        Y = py_2[2*i+1];                        \
562
        out_2+= out_2 + g[Y+d128[9+o]];
563

    
564
        DST1bpp1(0,0);
565
        DST2bpp1(0,0);
566

    
567
        DST2bpp1(1,2);
568
        DST1bpp1(1,2);
569

    
570
        DST1bpp1(2,4);
571
        DST2bpp1(2,4);
572

    
573
        DST2bpp1(3,6);
574
        DST1bpp1(3,6);
575
        
576
        dst_1[0]= out_1;
577
        dst_2[0]= out_2;
578
EPILOG(1)
579

    
580
SwsFunc yuv2rgb_get_func_ptr (SwsContext *c)
581
{
582
#if defined(HAVE_MMX2) || defined(HAVE_MMX)
583
    if(c->flags & SWS_CPU_CAPS_MMX2){
584
        switch(c->dstFormat){
585
        case PIX_FMT_RGB32: return yuv420_rgb32_MMX2;
586
        case PIX_FMT_BGR24: return yuv420_rgb24_MMX2;
587
        case PIX_FMT_BGR565: return yuv420_rgb16_MMX2;
588
        case PIX_FMT_BGR555: return yuv420_rgb15_MMX2;
589
        }
590
    }
591
    if(c->flags & SWS_CPU_CAPS_MMX){
592
        switch(c->dstFormat){
593
        case PIX_FMT_RGB32: return yuv420_rgb32_MMX;
594
        case PIX_FMT_BGR24: return yuv420_rgb24_MMX;
595
        case PIX_FMT_BGR565: return yuv420_rgb16_MMX;
596
        case PIX_FMT_BGR555: return yuv420_rgb15_MMX;
597
        }
598
    }
599
#endif
600
#ifdef HAVE_MLIB
601
    {
602
        SwsFunc t= yuv2rgb_init_mlib(c);
603
        if(t) return t;
604
    }
605
#endif
606
#ifdef HAVE_ALTIVEC
607
    if (c->flags & SWS_CPU_CAPS_ALTIVEC)
608
    {
609
        SwsFunc t = yuv2rgb_init_altivec(c);
610
        if(t) return t;
611
    }
612
#endif
613

    
614
    MSG_WARN("No accelerated colorspace conversion found\n");
615

    
616
    switch(c->dstFormat){
617
    case PIX_FMT_BGR32:
618
    case PIX_FMT_RGB32: return yuv2rgb_c_32;
619
    case PIX_FMT_RGB24: return yuv2rgb_c_24_rgb;
620
    case PIX_FMT_BGR24: return yuv2rgb_c_24_bgr;
621
    case PIX_FMT_RGB565:
622
    case PIX_FMT_BGR565:
623
    case PIX_FMT_RGB555:
624
    case PIX_FMT_BGR555: return yuv2rgb_c_16;
625
    case PIX_FMT_RGB8:
626
    case PIX_FMT_BGR8:  return yuv2rgb_c_8_ordered_dither;
627
    case PIX_FMT_RGB4:
628
    case PIX_FMT_BGR4:  return yuv2rgb_c_4_ordered_dither;
629
    case PIX_FMT_RGB4_BYTE:
630
    case PIX_FMT_BGR4_BYTE:  return yuv2rgb_c_4b_ordered_dither;
631
    case PIX_FMT_MONOBLACK:  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 = isBGR(c->dstFormat);
649
    const int bpp = fmt_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] = (uint8_t *)table_r + entry_size * div_round (crv * (i-128), 76309);
838
        c->table_gU[i] = (uint8_t *)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] = (uint8_t *)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
}