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4349 Serge 1
/*
2
 * Copyright (C) 2010 David Conrad
3
 * Copyright (C) 2010 Ronald S. Bultje
4
 *
5
 * This file is part of FFmpeg.
6
 *
7
 * FFmpeg is free software; you can redistribute it and/or
8
 * modify it under the terms of the GNU Lesser General Public
9
 * License as published by the Free Software Foundation; either
10
 * version 2.1 of the License, or (at your option) any later version.
11
 *
12
 * FFmpeg is distributed in the hope that it will be useful,
13
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15
 * Lesser General Public License for more details.
16
 *
17
 * You should have received a copy of the GNU Lesser General Public
18
 * License along with FFmpeg; if not, write to the Free Software
19
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20
 */
21
 
22
/**
23
 * @file
24
 * VP8 compatible video decoder
25
 */
26
 
27
#ifndef AVCODEC_VP8DATA_H
28
#define AVCODEC_VP8DATA_H
29
 
30
#include "vp8.h"
31
#include "h264pred.h"
32
 
33
static const uint8_t vp8_pred4x4_mode[] =
34
{
35
    [DC_PRED8x8]    = DC_PRED,
36
    [VERT_PRED8x8]  = VERT_PRED,
37
    [HOR_PRED8x8]   = HOR_PRED,
38
    [PLANE_PRED8x8] = TM_VP8_PRED,
39
};
40
 
41
static const int8_t vp8_pred16x16_tree_intra[4][2] =
42
{
43
    { -MODE_I4x4, 1 },                      // '0'
44
     { 2, 3 },
45
      {  -DC_PRED8x8,  -VERT_PRED8x8 },     // '100', '101'
46
      { -HOR_PRED8x8, -PLANE_PRED8x8 },     // '110', '111'
47
};
48
 
49
static const int8_t vp8_pred16x16_tree_inter[4][2] =
50
{
51
    { -DC_PRED8x8, 1 },                     // '0'
52
     { 2, 3 },
53
      {  -VERT_PRED8x8, -HOR_PRED8x8 },     // '100', '101'
54
      { -PLANE_PRED8x8, -MODE_I4x4 },       // '110', '111'
55
};
56
 
57
static const int vp8_mode_contexts[6][4] = {
58
    {   7,   1,   1, 143 },
59
    {  14,  18,  14, 107 },
60
    { 135,  64,  57,  68 },
61
    {  60,  56, 128,  65 },
62
    { 159, 134, 128,  34 },
63
    { 234, 188, 128,  28 },
64
};
65
 
66
static const uint8_t vp8_mbsplits[5][16] = {
67
    {  0,  0,  0,  0,  0,  0,  0,  0,
68
       1,  1,  1,  1,  1,  1,  1,  1  },
69
    {  0,  0,  1,  1,  0,  0,  1,  1,
70
       0,  0,  1,  1,  0,  0,  1,  1  },
71
    {  0,  0,  1,  1,  0,  0,  1,  1,
72
       2,  2,  3,  3,  2,  2,  3,  3  },
73
    {  0,  1,  2,  3,  4,  5,  6,  7,
74
       8,  9, 10, 11, 12, 13, 14, 15  },
75
    {  0,  0,  0,  0,  0,  0,  0,  0,
76
       0,  0,  0,  0,  0,  0,  0,  0  }
77
};
78
 
79
static const uint8_t vp8_mbfirstidx[4][16] = {
80
    {  0,  8 }, {  0,  2 }, {  0,  2,  8,  10 },
81
    {  0,  1,  2,  3,  4,  5,  6,  7,
82
       8,  9, 10, 11, 12, 13, 14, 15 }
83
};
84
 
85
static const uint8_t vp8_mbsplit_count[4] = {   2,   2,   4,  16 };
86
static const uint8_t vp8_mbsplit_prob[3]  = { 110, 111, 150 };
87
 
88
static const uint8_t vp8_submv_prob[5][3] = {
89
    { 147, 136,  18 },
90
    { 106, 145,   1 },
91
    { 179, 121,   1 },
92
    { 223,   1,  34 },
93
    { 208,   1,   1 }
94
};
95
 
96
static const uint8_t vp8_pred16x16_prob_intra[4] = { 145, 156, 163, 128 };
97
static const uint8_t vp8_pred16x16_prob_inter[4] = { 112,  86, 140,  37 };
98
 
99
static const int8_t vp8_pred4x4_tree[9][2] =
100
{
101
    { -DC_PRED, 1 },                                    // '0'
102
     { -TM_VP8_PRED, 2 },                               // '10'
103
      { -VERT_PRED, 3 },                                // '110'
104
       { 4, 6 },
105
        { -HOR_PRED, 5 },                               // '11100'
106
         { -DIAG_DOWN_RIGHT_PRED, -VERT_RIGHT_PRED },   // '111010', '111011'
107
        { -DIAG_DOWN_LEFT_PRED, 7 },                    // '11110'
108
         { -VERT_LEFT_PRED, 8 },                        // '111110'
109
          { -HOR_DOWN_PRED, -HOR_UP_PRED },             // '1111110', '1111111'
110
};
111
 
112
static const int8_t vp8_pred8x8c_tree[3][2] =
113
{
114
    { -DC_PRED8x8, 1 },                 // '0'
115
     { -VERT_PRED8x8, 2 },              // '10
116
      { -HOR_PRED8x8, -PLANE_PRED8x8 }, // '110', '111'
117
};
118
 
119
static const uint8_t vp8_pred8x8c_prob_intra[3] = { 142, 114, 183 };
120
static const uint8_t vp8_pred8x8c_prob_inter[3] = { 162, 101, 204 };
121
 
122
static const uint8_t vp8_pred4x4_prob_inter[9] =
123
{
124
    120, 90, 79, 133, 87, 85, 80, 111, 151
125
};
126
 
127
static const uint8_t vp8_pred4x4_prob_intra[10][10][9] =
128
{
129
    {
130
        {  39,  53, 200,  87,  26,  21,  43, 232, 171 },
131
        {  56,  34,  51, 104, 114, 102,  29,  93,  77 },
132
        {  88,  88, 147, 150,  42,  46,  45, 196, 205 },
133
        { 107,  54,  32,  26,  51,   1,  81,  43,  31 },
134
        {  39,  28,  85, 171,  58, 165,  90,  98,  64 },
135
        {  34,  22, 116, 206,  23,  34,  43, 166,  73 },
136
        {  34,  19,  21, 102, 132, 188,  16,  76, 124 },
137
        {  68,  25, 106,  22,  64, 171,  36, 225, 114 },
138
        {  62,  18,  78,  95,  85,  57,  50,  48,  51 },
139
        {  43,  97, 183, 117,  85,  38,  35, 179,  61 },
140
    },
141
    {
142
        { 112, 113,  77,  85, 179, 255,  38, 120, 114 },
143
        {  40,  42,   1, 196, 245, 209,  10,  25, 109 },
144
        { 193, 101,  35, 159, 215, 111,  89,  46, 111 },
145
        { 100,  80,   8,  43, 154,   1,  51,  26,  71 },
146
        {  88,  43,  29, 140, 166, 213,  37,  43, 154 },
147
        {  61,  63,  30, 155,  67,  45,  68,   1, 209 },
148
        {  41,  40,   5, 102, 211, 183,   4,   1, 221 },
149
        { 142,  78,  78,  16, 255, 128,  34, 197, 171 },
150
        {  51,  50,  17, 168, 209, 192,  23,  25,  82 },
151
        {  60, 148,  31, 172, 219, 228,  21,  18, 111 },
152
    },
153
    {
154
        { 175,  69, 143,  80,  85,  82,  72, 155, 103 },
155
        {  56,  58,  10, 171, 218, 189,  17,  13, 152 },
156
        { 231, 120,  48,  89, 115, 113, 120, 152, 112 },
157
        { 144,  71,  10,  38, 171, 213, 144,  34,  26 },
158
        { 114,  26,  17, 163,  44, 195,  21,  10, 173 },
159
        { 121,  24,  80, 195,  26,  62,  44,  64,  85 },
160
        {  63,  20,   8, 114, 114, 208,  12,   9, 226 },
161
        { 170,  46,  55,  19, 136, 160,  33, 206,  71 },
162
        {  81,  40,  11,  96, 182,  84,  29,  16,  36 },
163
        { 152, 179,  64, 126, 170, 118,  46,  70,  95 },
164
    },
165
    {
166
        {  75,  79, 123,  47,  51, 128,  81, 171,   1 },
167
        {  57,  17,   5,  71, 102,  57,  53,  41,  49 },
168
        { 125,  98,  42,  88, 104,  85, 117, 175,  82 },
169
        { 115,  21,   2,  10, 102, 255, 166,  23,   6 },
170
        {  38,  33,  13, 121,  57,  73,  26,   1,  85 },
171
        {  41,  10,  67, 138,  77, 110,  90,  47, 114 },
172
        {  57,  18,  10, 102, 102, 213,  34,  20,  43 },
173
        { 101,  29,  16,  10,  85, 128, 101, 196,  26 },
174
        { 117,  20,  15,  36, 163, 128,  68,   1,  26 },
175
        {  95,  84,  53,  89, 128, 100, 113, 101,  45 },
176
    },
177
    {
178
        {  63,  59,  90, 180,  59, 166,  93,  73, 154 },
179
        {  40,  40,  21, 116, 143, 209,  34,  39, 175 },
180
        { 138,  31,  36, 171,  27, 166,  38,  44, 229 },
181
        {  57,  46,  22,  24, 128,   1,  54,  17,  37 },
182
        {  47,  15,  16, 183,  34, 223,  49,  45, 183 },
183
        {  46,  17,  33, 183,   6,  98,  15,  32, 183 },
184
        {  40,   3,   9, 115,  51, 192,  18,   6, 223 },
185
        {  65,  32,  73, 115,  28, 128,  23, 128, 205 },
186
        {  87,  37,   9, 115,  59,  77,  64,  21,  47 },
187
        {  67,  87,  58, 169,  82, 115,  26,  59, 179 },
188
    },
189
    {
190
        {  54,  57, 112, 184,   5,  41,  38, 166, 213 },
191
        {  30,  34,  26, 133, 152, 116,  10,  32, 134 },
192
        { 104,  55,  44, 218,   9,  54,  53, 130, 226 },
193
        {  75,  32,  12,  51, 192, 255, 160,  43,  51 },
194
        {  39,  19,  53, 221,  26, 114,  32,  73, 255 },
195
        {  31,   9,  65, 234,   2,  15,   1, 118,  73 },
196
        {  56,  21,  23, 111,  59, 205,  45,  37, 192 },
197
        {  88,  31,  35,  67, 102,  85,  55, 186,  85 },
198
        {  55,  38,  70, 124,  73, 102,   1,  34,  98 },
199
        {  64,  90,  70, 205,  40,  41,  23,  26,  57 },
200
    },
201
    {
202
        {  86,  40,  64, 135, 148, 224,  45, 183, 128 },
203
        {  22,  26,  17, 131, 240, 154,  14,   1, 209 },
204
        { 164,  50,  31, 137, 154, 133,  25,  35, 218 },
205
        {  83,  12,  13,  54, 192, 255,  68,  47,  28 },
206
        {  45,  16,  21,  91,  64, 222,   7,   1, 197 },
207
        {  56,  21,  39, 155,  60, 138,  23, 102, 213 },
208
        {  18,  11,   7,  63, 144, 171,   4,   4, 246 },
209
        {  85,  26,  85,  85, 128, 128,  32, 146, 171 },
210
        {  35,  27,  10, 146, 174, 171,  12,  26, 128 },
211
        {  51, 103,  44, 131, 131, 123,  31,   6, 158 },
212
    },
213
    {
214
        {  68,  45, 128,  34,   1,  47,  11, 245, 171 },
215
        {  62,  17,  19,  70, 146,  85,  55,  62,  70 },
216
        { 102,  61,  71,  37,  34,  53,  31, 243, 192 },
217
        {  75,  15,   9,   9,  64, 255, 184, 119,  16 },
218
        {  37,  43,  37, 154, 100, 163,  85, 160,   1 },
219
        {  63,   9,  92, 136,  28,  64,  32, 201,  85 },
220
        {  56,   8,  17, 132, 137, 255,  55, 116, 128 },
221
        {  86,   6,  28,   5,  64, 255,  25, 248,   1 },
222
        {  58,  15,  20,  82, 135,  57,  26, 121,  40 },
223
        {  69,  60,  71,  38,  73, 119,  28, 222,  37 },
224
    },
225
    {
226
        { 101,  75, 128, 139, 118, 146, 116, 128,  85 },
227
        {  56,  41,  15, 176, 236,  85,  37,   9,  62 },
228
        { 190,  80,  35,  99, 180,  80, 126,  54,  45 },
229
        { 146,  36,  19,  30, 171, 255,  97,  27,  20 },
230
        {  71,  30,  17, 119, 118, 255,  17,  18, 138 },
231
        { 101,  38,  60, 138,  55,  70,  43,  26, 142 },
232
        {  32,  41,  20, 117, 151, 142,  20,  21, 163 },
233
        { 138,  45,  61,  62, 219,   1,  81, 188,  64 },
234
        { 112,  19,  12,  61, 195, 128,  48,   4,  24 },
235
        {  85, 126,  47,  87, 176,  51,  41,  20,  32 },
236
    },
237
    {
238
        {  66, 102, 167,  99,  74,  62,  40, 234, 128 },
239
        {  41,  53,   9, 178, 241, 141,  26,   8, 107 },
240
        { 134, 183,  89, 137,  98, 101, 106, 165, 148 },
241
        { 104,  79,  12,  27, 217, 255,  87,  17,   7 },
242
        {  74,  43,  26, 146,  73, 166,  49,  23, 157 },
243
        {  65,  38, 105, 160,  51,  52,  31, 115, 128 },
244
        {  47,  41,  14, 110, 182, 183,  21,  17, 194 },
245
        {  87,  68,  71,  44, 114,  51,  15, 186,  23 },
246
        {  66,  45,  25, 102, 197, 189,  23,  18,  22 },
247
        {  72, 187, 100, 130, 157, 111,  32,  75,  80 },
248
    },
249
};
250
 
251
static const int8_t vp8_segmentid_tree[][2] =
252
{
253
    { 1, 2 },
254
     { -0, -1 },    // '00', '01'
255
     { -2, -3 },    // '10', '11'
256
};
257
 
258
static const uint8_t vp8_coeff_band[16] =
259
{
260
    0, 1, 2, 3, 6, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7
261
};
262
 
263
/* Inverse of vp8_coeff_band: mappings of bands to coefficient indexes.
264
 * Each list is -1-terminated. */
265
static const int8_t vp8_coeff_band_indexes[8][10] =
266
{
267
    {0, -1},
268
    {1, -1},
269
    {2, -1},
270
    {3, -1},
271
    {5, -1},
272
    {6, -1},
273
    {4, 7, 8, 9, 10, 11, 12, 13, 14, -1},
274
    {15, -1}
275
};
276
 
277
static const uint8_t vp8_dct_cat1_prob[] = { 159, 0 };
278
static const uint8_t vp8_dct_cat2_prob[] = { 165, 145, 0 };
279
static const uint8_t vp8_dct_cat3_prob[] = { 173, 148, 140, 0 };
280
static const uint8_t vp8_dct_cat4_prob[] = { 176, 155, 140, 135, 0 };
281
static const uint8_t vp8_dct_cat5_prob[] = { 180, 157, 141, 134, 130, 0 };
282
static const uint8_t vp8_dct_cat6_prob[] = { 254, 254, 243, 230, 196, 177, 153, 140, 133, 130, 129, 0 };
283
 
284
// only used for cat3 and above; cat 1 and 2 are referenced directly
285
const uint8_t * const ff_vp8_dct_cat_prob[] =
286
{
287
    vp8_dct_cat3_prob,
288
    vp8_dct_cat4_prob,
289
    vp8_dct_cat5_prob,
290
    vp8_dct_cat6_prob,
291
};
292
 
293
static const uint8_t vp8_token_default_probs[4][8][3][NUM_DCT_TOKENS-1] =
294
{
295
    {
296
        {
297
            { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 },
298
            { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 },
299
            { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 },
300
        },
301
        {
302
            { 253, 136, 254, 255, 228, 219, 128, 128, 128, 128, 128 },
303
            { 189, 129, 242, 255, 227, 213, 255, 219, 128, 128, 128 },
304
            { 106, 126, 227, 252, 214, 209, 255, 255, 128, 128, 128 },
305
        },
306
        {
307
            {   1,  98, 248, 255, 236, 226, 255, 255, 128, 128, 128 },
308
            { 181, 133, 238, 254, 221, 234, 255, 154, 128, 128, 128 },
309
            {  78, 134, 202, 247, 198, 180, 255, 219, 128, 128, 128 },
310
        },
311
        {
312
            {   1, 185, 249, 255, 243, 255, 128, 128, 128, 128, 128 },
313
            { 184, 150, 247, 255, 236, 224, 128, 128, 128, 128, 128 },
314
            {  77, 110, 216, 255, 236, 230, 128, 128, 128, 128, 128 },
315
        },
316
        {
317
            {   1, 101, 251, 255, 241, 255, 128, 128, 128, 128, 128 },
318
            { 170, 139, 241, 252, 236, 209, 255, 255, 128, 128, 128 },
319
            {  37, 116, 196, 243, 228, 255, 255, 255, 128, 128, 128 },
320
        },
321
        {
322
            {   1, 204, 254, 255, 245, 255, 128, 128, 128, 128, 128 },
323
            { 207, 160, 250, 255, 238, 128, 128, 128, 128, 128, 128 },
324
            { 102, 103, 231, 255, 211, 171, 128, 128, 128, 128, 128 },
325
        },
326
        {
327
            {   1, 152, 252, 255, 240, 255, 128, 128, 128, 128, 128 },
328
            { 177, 135, 243, 255, 234, 225, 128, 128, 128, 128, 128 },
329
            {  80, 129, 211, 255, 194, 224, 128, 128, 128, 128, 128 },
330
        },
331
        {
332
            {   1,   1, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
333
            { 246,   1, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
334
            { 255, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 },
335
        },
336
    },
337
    {
338
        {
339
            { 198,  35, 237, 223, 193, 187, 162, 160, 145, 155,  62 },
340
            { 131,  45, 198, 221, 172, 176, 220, 157, 252, 221,   1 },
341
            {  68,  47, 146, 208, 149, 167, 221, 162, 255, 223, 128 },
342
        },
343
        {
344
            {   1, 149, 241, 255, 221, 224, 255, 255, 128, 128, 128 },
345
            { 184, 141, 234, 253, 222, 220, 255, 199, 128, 128, 128 },
346
            {  81,  99, 181, 242, 176, 190, 249, 202, 255, 255, 128 },
347
        },
348
        {
349
            {   1, 129, 232, 253, 214, 197, 242, 196, 255, 255, 128 },
350
            {  99, 121, 210, 250, 201, 198, 255, 202, 128, 128, 128 },
351
            {  23,  91, 163, 242, 170, 187, 247, 210, 255, 255, 128 },
352
        },
353
        {
354
            {   1, 200, 246, 255, 234, 255, 128, 128, 128, 128, 128 },
355
            { 109, 178, 241, 255, 231, 245, 255, 255, 128, 128, 128 },
356
            {  44, 130, 201, 253, 205, 192, 255, 255, 128, 128, 128 },
357
        },
358
        {
359
            {   1, 132, 239, 251, 219, 209, 255, 165, 128, 128, 128 },
360
            {  94, 136, 225, 251, 218, 190, 255, 255, 128, 128, 128 },
361
            {  22, 100, 174, 245, 186, 161, 255, 199, 128, 128, 128 },
362
        },
363
        {
364
            {   1, 182, 249, 255, 232, 235, 128, 128, 128, 128, 128 },
365
            { 124, 143, 241, 255, 227, 234, 128, 128, 128, 128, 128 },
366
            {  35,  77, 181, 251, 193, 211, 255, 205, 128, 128, 128 },
367
        },
368
        {
369
            {   1, 157, 247, 255, 236, 231, 255, 255, 128, 128, 128 },
370
            { 121, 141, 235, 255, 225, 227, 255, 255, 128, 128, 128 },
371
            {  45,  99, 188, 251, 195, 217, 255, 224, 128, 128, 128 },
372
        },
373
        {
374
            {   1,   1, 251, 255, 213, 255, 128, 128, 128, 128, 128 },
375
            { 203,   1, 248, 255, 255, 128, 128, 128, 128, 128, 128 },
376
            { 137,   1, 177, 255, 224, 255, 128, 128, 128, 128, 128 },
377
        },
378
    },
379
    {
380
        {
381
            { 253,   9, 248, 251, 207, 208, 255, 192, 128, 128, 128 },
382
            { 175,  13, 224, 243, 193, 185, 249, 198, 255, 255, 128 },
383
            {  73,  17, 171, 221, 161, 179, 236, 167, 255, 234, 128 },
384
        },
385
        {
386
            {   1,  95, 247, 253, 212, 183, 255, 255, 128, 128, 128 },
387
            { 239,  90, 244, 250, 211, 209, 255, 255, 128, 128, 128 },
388
            { 155,  77, 195, 248, 188, 195, 255, 255, 128, 128, 128 },
389
        },
390
        {
391
            {   1,  24, 239, 251, 218, 219, 255, 205, 128, 128, 128 },
392
            { 201,  51, 219, 255, 196, 186, 128, 128, 128, 128, 128 },
393
            {  69,  46, 190, 239, 201, 218, 255, 228, 128, 128, 128 },
394
        },
395
        {
396
            {   1, 191, 251, 255, 255, 128, 128, 128, 128, 128, 128 },
397
            { 223, 165, 249, 255, 213, 255, 128, 128, 128, 128, 128 },
398
            { 141, 124, 248, 255, 255, 128, 128, 128, 128, 128, 128 },
399
        },
400
        {
401
            {   1,  16, 248, 255, 255, 128, 128, 128, 128, 128, 128 },
402
            { 190,  36, 230, 255, 236, 255, 128, 128, 128, 128, 128 },
403
            { 149,   1, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
404
        },
405
        {
406
            {   1, 226, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
407
            { 247, 192, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
408
            { 240, 128, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
409
        },
410
        {
411
            {   1, 134, 252, 255, 255, 128, 128, 128, 128, 128, 128 },
412
            { 213,  62, 250, 255, 255, 128, 128, 128, 128, 128, 128 },
413
            {  55,  93, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
414
        },
415
        {
416
            { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 },
417
            { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 },
418
            { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 },
419
        },
420
    },
421
    {
422
        {
423
            { 202,  24, 213, 235, 186, 191, 220, 160, 240, 175, 255 },
424
            { 126,  38, 182, 232, 169, 184, 228, 174, 255, 187, 128 },
425
            {  61,  46, 138, 219, 151, 178, 240, 170, 255, 216, 128 },
426
        },
427
        {
428
            {   1, 112, 230, 250, 199, 191, 247, 159, 255, 255, 128 },
429
            { 166, 109, 228, 252, 211, 215, 255, 174, 128, 128, 128 },
430
            {  39,  77, 162, 232, 172, 180, 245, 178, 255, 255, 128 },
431
        },
432
        {
433
            {   1,  52, 220, 246, 198, 199, 249, 220, 255, 255, 128 },
434
            { 124,  74, 191, 243, 183, 193, 250, 221, 255, 255, 128 },
435
            {  24,  71, 130, 219, 154, 170, 243, 182, 255, 255, 128 },
436
        },
437
        {
438
            {   1, 182, 225, 249, 219, 240, 255, 224, 128, 128, 128 },
439
            { 149, 150, 226, 252, 216, 205, 255, 171, 128, 128, 128 },
440
            {  28, 108, 170, 242, 183, 194, 254, 223, 255, 255, 128 },
441
        },
442
        {
443
            {   1,  81, 230, 252, 204, 203, 255, 192, 128, 128, 128 },
444
            { 123, 102, 209, 247, 188, 196, 255, 233, 128, 128, 128 },
445
            {  20,  95, 153, 243, 164, 173, 255, 203, 128, 128, 128 },
446
        },
447
        {
448
            {   1, 222, 248, 255, 216, 213, 128, 128, 128, 128, 128 },
449
            { 168, 175, 246, 252, 235, 205, 255, 255, 128, 128, 128 },
450
            {  47, 116, 215, 255, 211, 212, 255, 255, 128, 128, 128 },
451
        },
452
        {
453
            {   1, 121, 236, 253, 212, 214, 255, 255, 128, 128, 128 },
454
            { 141,  84, 213, 252, 201, 202, 255, 219, 128, 128, 128 },
455
            {  42,  80, 160, 240, 162, 185, 255, 205, 128, 128, 128 },
456
        },
457
        {
458
            {   1,   1, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
459
            { 244,   1, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
460
            { 238,   1, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
461
        },
462
    },
463
};
464
 
465
static const uint8_t vp8_token_update_probs[4][8][3][NUM_DCT_TOKENS-1] =
466
{
467
    {
468
        {
469
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
470
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
471
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
472
        },
473
        {
474
            { 176, 246, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
475
            { 223, 241, 252, 255, 255, 255, 255, 255, 255, 255, 255 },
476
            { 249, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 },
477
        },
478
        {
479
            { 255, 244, 252, 255, 255, 255, 255, 255, 255, 255, 255 },
480
            { 234, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
481
            { 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
482
        },
483
        {
484
            { 255, 246, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
485
            { 239, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
486
            { 254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
487
        },
488
        {
489
            { 255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
490
            { 251, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
491
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
492
        },
493
        {
494
            { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
495
            { 251, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
496
            { 254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
497
        },
498
        {
499
            { 255, 254, 253, 255, 254, 255, 255, 255, 255, 255, 255 },
500
            { 250, 255, 254, 255, 254, 255, 255, 255, 255, 255, 255 },
501
            { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
502
        },
503
        {
504
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
505
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
506
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
507
        },
508
    },
509
    {
510
        {
511
            { 217, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
512
            { 225, 252, 241, 253, 255, 255, 254, 255, 255, 255, 255 },
513
            { 234, 250, 241, 250, 253, 255, 253, 254, 255, 255, 255 },
514
        },
515
        {
516
            { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
517
            { 223, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
518
            { 238, 253, 254, 254, 255, 255, 255, 255, 255, 255, 255 },
519
        },
520
        {
521
            { 255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
522
            { 249, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
523
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
524
        },
525
        {
526
            { 255, 253, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
527
            { 247, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
528
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
529
        },
530
        {
531
            { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
532
            { 252, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
533
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
534
        },
535
        {
536
            { 255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
537
            { 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
538
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
539
        },
540
        {
541
            { 255, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255 },
542
            { 250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
543
            { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
544
        },
545
        {
546
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
547
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
548
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
549
        },
550
    },
551
    {
552
        {
553
            { 186, 251, 250, 255, 255, 255, 255, 255, 255, 255, 255 },
554
            { 234, 251, 244, 254, 255, 255, 255, 255, 255, 255, 255 },
555
            { 251, 251, 243, 253, 254, 255, 254, 255, 255, 255, 255 },
556
        },
557
        {
558
            { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
559
            { 236, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
560
            { 251, 253, 253, 254, 254, 255, 255, 255, 255, 255, 255 },
561
        },
562
        {
563
            { 255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
564
            { 254, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
565
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
566
        },
567
        {
568
            { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
569
            { 254, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
570
            { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
571
        },
572
        {
573
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
574
            { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
575
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
576
        },
577
        {
578
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
579
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
580
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
581
        },
582
        {
583
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
584
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
585
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
586
        },
587
        {
588
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
589
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
590
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
591
        },
592
    },
593
    {
594
        {
595
            { 248, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
596
            { 250, 254, 252, 254, 255, 255, 255, 255, 255, 255, 255 },
597
            { 248, 254, 249, 253, 255, 255, 255, 255, 255, 255, 255 },
598
        },
599
        {
600
            { 255, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 },
601
            { 246, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 },
602
            { 252, 254, 251, 254, 254, 255, 255, 255, 255, 255, 255 },
603
        },
604
        {
605
            { 255, 254, 252, 255, 255, 255, 255, 255, 255, 255, 255 },
606
            { 248, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255 },
607
            { 253, 255, 254, 254, 255, 255, 255, 255, 255, 255, 255 },
608
        },
609
        {
610
            { 255, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
611
            { 245, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
612
            { 253, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
613
        },
614
        {
615
            { 255, 251, 253, 255, 255, 255, 255, 255, 255, 255, 255 },
616
            { 252, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
617
            { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
618
        },
619
        {
620
            { 255, 252, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
621
            { 249, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
622
            { 255, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
623
        },
624
        {
625
            { 255, 255, 253, 255, 255, 255, 255, 255, 255, 255, 255 },
626
            { 250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
627
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
628
        },
629
        {
630
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
631
            { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
632
            { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
633
        },
634
    },
635
};
636
 
637
// fixme: copied from h264data.h
638
static const uint8_t zigzag_scan[16]={
639
    0+0*4, 1+0*4, 0+1*4, 0+2*4,
640
    1+1*4, 2+0*4, 3+0*4, 2+1*4,
641
    1+2*4, 0+3*4, 1+3*4, 2+2*4,
642
    3+1*4, 3+2*4, 2+3*4, 3+3*4,
643
};
644
 
645
static const uint8_t vp8_dc_qlookup[VP8_MAX_QUANT+1] =
646
{
647
      4,   5,   6,   7,   8,   9,  10,  10,  11,  12,  13,  14,  15,  16,  17,  17,
648
     18,  19,  20,  20,  21,  21,  22,  22,  23,  23,  24,  25,  25,  26,  27,  28,
649
     29,  30,  31,  32,  33,  34,  35,  36,  37,  37,  38,  39,  40,  41,  42,  43,
650
     44,  45,  46,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,
651
     59,  60,  61,  62,  63,  64,  65,  66,  67,  68,  69,  70,  71,  72,  73,  74,
652
     75,  76,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,  88,  89,
653
     91,  93,  95,  96,  98, 100, 101, 102, 104, 106, 108, 110, 112, 114, 116, 118,
654
    122, 124, 126, 128, 130, 132, 134, 136, 138, 140, 143, 145, 148, 151, 154, 157,
655
};
656
 
657
static const uint16_t vp8_ac_qlookup[VP8_MAX_QUANT+1] =
658
{
659
      4,   5,   6,   7,   8,   9,  10,  11,  12,  13,  14,  15,  16,  17,  18,  19,
660
     20,  21,  22,  23,  24,  25,  26,  27,  28,  29,  30,  31,  32,  33,  34,  35,
661
     36,  37,  38,  39,  40,  41,  42,  43,  44,  45,  46,  47,  48,  49,  50,  51,
662
     52,  53,  54,  55,  56,  57,  58,  60,  62,  64,  66,  68,  70,  72,  74,  76,
663
     78,  80,  82,  84,  86,  88,  90,  92,  94,  96,  98, 100, 102, 104, 106, 108,
664
    110, 112, 114, 116, 119, 122, 125, 128, 131, 134, 137, 140, 143, 146, 149, 152,
665
    155, 158, 161, 164, 167, 170, 173, 177, 181, 185, 189, 193, 197, 201, 205, 209,
666
    213, 217, 221, 225, 229, 234, 239, 245, 249, 254, 259, 264, 269, 274, 279, 284,
667
};
668
 
669
static const uint8_t vp8_mv_update_prob[2][19] = {
670
    { 237,
671
      246,
672
      253, 253, 254, 254, 254, 254, 254,
673
      254, 254, 254, 254, 254, 250, 250, 252, 254, 254 },
674
    { 231,
675
      243,
676
      245, 253, 254, 254, 254, 254, 254,
677
      254, 254, 254, 254, 254, 251, 251, 254, 254, 254 }
678
};
679
 
680
static const uint8_t vp8_mv_default_prob[2][19] = {
681
    { 162,
682
      128,
683
      225, 146, 172, 147, 214, 39, 156,
684
      128, 129, 132,  75, 145, 178, 206, 239, 254, 254 },
685
    { 164,
686
      128,
687
      204, 170, 119, 235, 140, 230, 228,
688
      128, 130, 130,  74, 148, 180, 203, 236, 254, 254 }
689
};
690
 
691
#endif /* AVCODEC_VP8DATA_H */