1/**
2 * @file
3 * VP6 compatible video decoder
4 *
5 * Copyright (C) 2006  Aurelien Jacobs <aurel@gnuage.org>
6 *
7 * This file is part of FFmpeg.
8 *
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * FFmpeg is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
24#ifndef AVCODEC_VP6DATA_H
25#define AVCODEC_VP6DATA_H
26
27#include "vp56data.h"
28
29static const uint8_t vp6_def_fdv_vector_model[2][8] = {
30    { 247, 210, 135, 68, 138, 220, 239, 246 },
31    { 244, 184, 201, 44, 173, 221, 239, 253 },
32};
33
34static const uint8_t vp6_def_pdv_vector_model[2][7] = {
35    { 225, 146, 172, 147, 214,  39, 156 },
36    { 204, 170, 119, 235, 140, 230, 228 },
37};
38
39static const uint8_t vp6_def_coeff_reorder[] = {
40     0,  0,  1,  1,  1,  2,  2,  2,
41     2,  2,  2,  3,  3,  4,  4,  4,
42     5,  5,  5,  5,  6,  6,  7,  7,
43     7,  7,  7,  8,  8,  9,  9,  9,
44     9,  9,  9, 10, 10, 11, 11, 11,
45    11, 11, 11, 12, 12, 12, 12, 12,
46    12, 13, 13, 13, 13, 13, 14, 14,
47    14, 14, 15, 15, 15, 15, 15, 15,
48};
49
50static const uint8_t vp6_def_runv_coeff_model[2][14] = {
51    { 198, 197, 196, 146, 198, 204, 169, 142, 130, 136, 149, 149, 191, 249 },
52    { 135, 201, 181, 154,  98, 117, 132, 126, 146, 169, 184, 240, 246, 254 },
53};
54
55static const uint8_t vp6_sig_dct_pct[2][2] = {
56    { 237, 246 },
57    { 231, 243 },
58};
59
60static const uint8_t vp6_pdv_pct[2][7] = {
61    { 253, 253, 254, 254, 254, 254, 254 },
62    { 245, 253, 254, 254, 254, 254, 254 },
63};
64
65static const uint8_t vp6_fdv_pct[2][8] = {
66    { 254, 254, 254, 254, 254, 250, 250, 252 },
67    { 254, 254, 254, 254, 254, 251, 251, 254 },
68};
69
70static const uint8_t vp6_dccv_pct[2][11] = {
71    { 146, 255, 181, 207, 232, 243, 238, 251, 244, 250, 249 },
72    { 179, 255, 214, 240, 250, 255, 244, 255, 255, 255, 255 },
73};
74
75static const uint8_t vp6_coeff_reorder_pct[] =  {
76    255, 132, 132, 159, 153, 151, 161, 170,
77    164, 162, 136, 110, 103, 114, 129, 118,
78    124, 125, 132, 136, 114, 110, 142, 135,
79    134, 123, 143, 126, 153, 183, 166, 161,
80    171, 180, 179, 164, 203, 218, 225, 217,
81    215, 206, 203, 217, 229, 241, 248, 243,
82    253, 255, 253, 255, 255, 255, 255, 255,
83    255, 255, 255, 255, 255, 255, 255, 255,
84};
85
86static const uint8_t vp6_runv_pct[2][14] = {
87  { 219, 246, 238, 249, 232, 239, 249, 255, 248, 253, 239, 244, 241, 248 },
88  { 198, 232, 251, 253, 219, 241, 253, 255, 248, 249, 244, 238, 251, 255 },
89};
90
91static const uint8_t vp6_ract_pct[3][2][6][11] = {
92  { { { 227, 246, 230, 247, 244, 255, 255, 255, 255, 255, 255 },
93      { 255, 255, 209, 231, 231, 249, 249, 253, 255, 255, 255 },
94      { 255, 255, 225, 242, 241, 251, 253, 255, 255, 255, 255 },
95      { 255, 255, 241, 253, 252, 255, 255, 255, 255, 255, 255 },
96      { 255, 255, 248, 255, 255, 255, 255, 255, 255, 255, 255 },
97      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } },
98    { { 240, 255, 248, 255, 255, 255, 255, 255, 255, 255, 255 },
99      { 255, 255, 240, 253, 255, 255, 255, 255, 255, 255, 255 },
100      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
101      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
102      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
103      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } } },
104  { { { 206, 203, 227, 239, 247, 255, 253, 255, 255, 255, 255 },
105      { 207, 199, 220, 236, 243, 252, 252, 255, 255, 255, 255 },
106      { 212, 219, 230, 243, 244, 253, 252, 255, 255, 255, 255 },
107      { 236, 237, 247, 252, 253, 255, 255, 255, 255, 255, 255 },
108      { 240, 240, 248, 255, 255, 255, 255, 255, 255, 255, 255 },
109      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } },
110    { { 230, 233, 249, 255, 255, 255, 255, 255, 255, 255, 255 },
111      { 238, 238, 250, 255, 255, 255, 255, 255, 255, 255, 255 },
112      { 248, 251, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
113      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
114      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
115      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } } },
116  { { { 225, 239, 227, 231, 244, 253, 243, 255, 255, 253, 255 },
117      { 232, 234, 224, 228, 242, 249, 242, 252, 251, 251, 255 },
118      { 235, 249, 238, 240, 251, 255, 249, 255, 253, 253, 255 },
119      { 249, 253, 251, 250, 255, 255, 255, 255, 255, 255, 255 },
120      { 251, 250, 249, 255, 255, 255, 255, 255, 255, 255, 255 },
121      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } },
122    { { 243, 244, 250, 250, 255, 255, 255, 255, 255, 255, 255 },
123      { 249, 248, 250, 253, 255, 255, 255, 255, 255, 255, 255 },
124      { 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
125      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
126      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
127      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } } }
128};
129
130static const int vp6_dccv_lc[3][5][2] = {
131  { { 122, 133 }, { 0, 1 }, { 78,  171 }, { 139, 117 }, { 168, 79 } },
132  { { 133,  51 }, { 0, 1 }, { 169,  71 }, { 214,  44 }, { 210, 38 } },
133  { { 142, -16 }, { 0, 1 }, { 221, -30 }, { 246,  -3 }, { 203, 17 } },
134};
135
136static const uint8_t vp6_coeff_groups[] = {
137    0, 0, 1, 1, 1, 2, 2, 2,
138    2, 2, 2, 3, 3, 3, 3, 3,
139    3, 3, 3, 3, 3, 3, 4, 4,
140    4, 4, 4, 4, 4, 4, 4, 4,
141    4, 4, 4, 4, 4, 5, 5, 5,
142    5, 5, 5, 5, 5, 5, 5, 5,
143    5, 5, 5, 5, 5, 5, 5, 5,
144    5, 5, 5, 5, 5, 5, 5, 5,
145};
146
147static const int16_t vp6_block_copy_filter[17][8][4] = {
148  { {   0, 128,   0,   0  },  /* 0 */
149    {  -3, 122,   9,   0  },
150    {  -4, 109,  24,  -1  },
151    {  -5,  91,  45,  -3  },
152    {  -4,  68,  68,  -4  },
153    {  -3,  45,  91,  -5  },
154    {  -1,  24, 109,  -4  },
155    {   0,   9, 122,  -3  } },
156  { {   0, 128,   0,   0  },  /* 1 */
157    {  -4, 124,   9,  -1  },
158    {  -5, 110,  25,  -2  },
159    {  -6,  91,  46,  -3  },
160    {  -5,  69,  69,  -5  },
161    {  -3,  46,  91,  -6  },
162    {  -2,  25, 110,  -5  },
163    {  -1,   9, 124,  -4  } },
164  { {   0, 128,   0,   0  },  /* 2 */
165    {  -4, 123,  10,  -1  },
166    {  -6, 110,  26,  -2  },
167    {  -7,  92,  47,  -4  },
168    {  -6,  70,  70,  -6  },
169    {  -4,  47,  92,  -7  },
170    {  -2,  26, 110,  -6  },
171    {  -1,  10, 123,  -4  } },
172  { {   0, 128,   0,   0  },  /* 3 */
173    {  -5, 124,  10,  -1  },
174    {  -7, 110,  27,  -2  },
175    {  -7,  91,  48,  -4  },
176    {  -6,  70,  70,  -6  },
177    {  -4,  48,  92,  -8  },
178    {  -2,  27, 110,  -7  },
179    {  -1,  10, 124,  -5  } },
180  { {   0, 128,   0,   0  },  /* 4 */
181    {  -6, 124,  11,  -1  },
182    {  -8, 111,  28,  -3  },
183    {  -8,  92,  49,  -5  },
184    {  -7,  71,  71,  -7  },
185    {  -5,  49,  92,  -8  },
186    {  -3,  28, 111,  -8  },
187    {  -1,  11, 124,  -6  } },
188  { {  0,  128,   0,   0  },  /* 5 */
189    {  -6, 123,  12,  -1  },
190    {  -9, 111,  29,  -3  },
191    {  -9,  93,  50,  -6  },
192    {  -8,  72,  72,  -8  },
193    {  -6,  50,  93,  -9  },
194    {  -3,  29, 111,  -9  },
195    {  -1,  12, 123,  -6  } },
196  { {   0, 128,   0,   0  },  /* 6 */
197    {  -7, 124,  12,  -1  },
198    { -10, 111,  30,  -3  },
199    { -10,  93,  51,  -6  },
200    {  -9,  73,  73,  -9  },
201    {  -6,  51,  93, -10  },
202    {  -3,  30, 111, -10  },
203    {  -1,  12, 124,  -7  } },
204  { {   0, 128,   0,   0  },  /* 7 */
205    {  -7, 123,  13,  -1  },
206    { -11, 112,  31,  -4  },
207    { -11,  94,  52,  -7  },
208    { -10,  74,  74, -10  },
209    {  -7,  52,  94, -11  },
210    {  -4,  31, 112, -11  },
211    {  -1,  13, 123,  -7  } },
212  { {   0, 128,   0,  0  },  /* 8 */
213    {  -8, 124,  13,  -1  },
214    { -12, 112,  32,  -4  },
215    { -12,  94,  53,  -7  },
216    { -10,  74,  74, -10  },
217    {  -7,  53,  94, -12  },
218    {  -4,  32, 112, -12  },
219    {  -1,  13, 124,  -8  } },
220  { {   0, 128,   0,   0  },  /* 9 */
221    {  -9, 124,  14,  -1  },
222    { -13, 112,  33,  -4  },
223    { -13,  95,  54,  -8  },
224    { -11,  75,  75, -11  },
225    {  -8,  54,  95, -13  },
226    {  -4,  33, 112, -13  },
227    {  -1,  14, 124,  -9  } },
228  { {   0, 128,   0,   0  },  /* 10 */
229    {  -9, 123,  15,  -1  },
230    { -14, 113,  34,  -5  },
231    { -14,  95,  55,  -8  },
232    { -12,  76,  76, -12  },
233    {  -8,  55,  95, -14  },
234    {  -5,  34, 112, -13  },
235    {  -1,  15, 123,  -9  } },
236  { {   0, 128,   0,   0  },  /* 11 */
237    { -10, 124,  15,  -1  },
238    { -14, 113,  34,  -5  },
239    { -15,  96,  56,  -9  },
240    { -13,  77,  77, -13  },
241    {  -9,  56,  96, -15  },
242    {  -5,  34, 113, -14  },
243    {  -1,  15, 124, -10  } },
244  { {   0, 128,   0,   0  },  /* 12 */
245    { -10, 123,  16,  -1  },
246    { -15, 113,  35,  -5  },
247    { -16,  98,  56, -10  },
248    { -14,  78,  78, -14  },
249    { -10,  56,  98, -16  },
250    {  -5,  35, 113, -15  },
251    {  -1,  16, 123, -10  } },
252  { {   0, 128,   0,   0  },  /* 13 */
253    { -11, 124,  17,  -2  },
254    { -16, 113,  36,  -5  },
255    { -17,  98,  57, -10  },
256    { -14,  78,  78, -14  },
257    { -10,  57,  98, -17  },
258    {  -5,  36, 113, -16  },
259    {  -2,  17, 124, -11  } },
260  { {   0, 128,   0,   0  },  /* 14 */
261    { -12, 125,  17,  -2  },
262    { -17, 114,  37,  -6  },
263    { -18,  99,  58, -11  },
264    { -15,  79,  79, -15  },
265    { -11,  58,  99, -18  },
266    {  -6,  37, 114, -17  },
267    {  -2,  17, 125, -12  } },
268  { {   0, 128,   0,   0  },  /* 15 */
269    { -12, 124,  18,  -2  },
270    { -18, 114,  38,  -6  },
271    { -19,  99,  59, -11  },
272    { -16,  80,  80, -16  },
273    { -11,  59,  99, -19  },
274    {  -6,  38, 114, -18  },
275    {  -2,  18, 124, -12  } },
276  { {   0, 128,   0,   0  },  /* 16 */
277    {  -4, 118,  16,  -2  },
278    {  -7, 106,  34,  -5  },
279    {  -8,  90,  53,  -7  },
280    {  -8,  72,  72,  -8  },
281    {  -7,  53,  90,  -8  },
282    {  -5,  34, 106,  -7  },
283    {  -2,  16, 118,  -4  } },
284};
285
286static const VP56Tree vp6_pcr_tree[] = {
287    { 8, 0},
288    { 4, 1},
289    { 2, 2}, {-1}, {-2},
290    { 2, 3}, {-3}, {-4},
291    { 8, 4},
292    { 4, 5},
293    { 2, 6}, {-5}, {-6},
294    { 2, 7}, {-7}, {-8},
295             {-0},
296};
297
298static const uint8_t vp6_coord_div[] = { 4, 4, 4, 4, 8, 8 };
299
300static const uint8_t vp6_huff_coeff_map[] = {
301    13, 14, 11, 0, 1, 15, 16, 18, 2, 17, 3, 4, 19, 20, 5, 6, 21, 22, 7, 8, 9, 10
302};
303
304static const uint8_t vp6_huff_run_map[] = {
305    10, 13, 11, 12, 0, 1, 2, 3, 14, 8, 15, 16, 4, 5, 6, 7
306};
307
308#endif /* AVCODEC_VP6DATA_H */
309