1/*
2 * Copyright (C) 2010 David Conrad
3 * Copyright (C) 2010 Ronald S. Bultje
4 *
5 * This file is part of Libav.
6 *
7 * Libav 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 * Libav 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 Libav; 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
33static 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
41static 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
49static 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
57static 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
66static 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
79static 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
85static const uint8_t vp8_mbsplit_count[4] = {   2,   2,   4,  16 };
86static const uint8_t vp8_mbsplit_prob[3]  = { 110, 111, 150 };
87
88static 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
96static const uint8_t vp8_pred16x16_prob_intra[4] = { 145, 156, 163, 128 };
97static const uint8_t vp8_pred16x16_prob_inter[4] = { 112,  86, 140,  37 };
98
99static 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
112static 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
119static const uint8_t vp8_pred8x8c_prob_intra[3] = { 142, 114, 183 };
120static const uint8_t vp8_pred8x8c_prob_inter[3] = { 162, 101, 204 };
121
122static const uint8_t vp8_pred4x4_prob_inter[9] =
123{
124    120, 90, 79, 133, 87, 85, 80, 111, 151
125};
126
127static 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
251static const int8_t vp8_segmentid_tree[][2] =
252{
253    { 1, 2 },
254     { -0, -1 },    // '00', '01'
255     { -2, -3 },    // '10', '11'
256};
257
258static 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. */
265static 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
277static const uint8_t vp8_dct_cat1_prob[] = { 159, 0 };
278static const uint8_t vp8_dct_cat2_prob[] = { 165, 145, 0 };
279static const uint8_t vp8_dct_cat3_prob[] = { 173, 148, 140, 0 };
280static const uint8_t vp8_dct_cat4_prob[] = { 176, 155, 140, 135, 0 };
281static const uint8_t vp8_dct_cat5_prob[] = { 180, 157, 141, 134, 130, 0 };
282static 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
285const 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
293static 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
465static 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
638static 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
645static 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
657static 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
669static 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
680static 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 */
692