1/*
2 * Copyright (C) 2006  Aurelien Jacobs <aurel@gnuage.org>
3 *
4 * This file is part of Libav.
5 *
6 * Libav is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * Libav is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with Libav; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21/**
22 * @file
23 * VP6 compatible video decoder
24 */
25
26#ifndef AVCODEC_VP6DATA_H
27#define AVCODEC_VP6DATA_H
28
29#include "vp56data.h"
30
31static const uint8_t vp6_def_fdv_vector_model[2][8] = {
32    { 247, 210, 135, 68, 138, 220, 239, 246 },
33    { 244, 184, 201, 44, 173, 221, 239, 253 },
34};
35
36static const uint8_t vp6_def_pdv_vector_model[2][7] = {
37    { 225, 146, 172, 147, 214,  39, 156 },
38    { 204, 170, 119, 235, 140, 230, 228 },
39};
40
41static const uint8_t vp6_def_coeff_reorder[] = {
42     0,  0,  1,  1,  1,  2,  2,  2,
43     2,  2,  2,  3,  3,  4,  4,  4,
44     5,  5,  5,  5,  6,  6,  7,  7,
45     7,  7,  7,  8,  8,  9,  9,  9,
46     9,  9,  9, 10, 10, 11, 11, 11,
47    11, 11, 11, 12, 12, 12, 12, 12,
48    12, 13, 13, 13, 13, 13, 14, 14,
49    14, 14, 15, 15, 15, 15, 15, 15,
50};
51
52static const uint8_t vp6_def_runv_coeff_model[2][14] = {
53    { 198, 197, 196, 146, 198, 204, 169, 142, 130, 136, 149, 149, 191, 249 },
54    { 135, 201, 181, 154,  98, 117, 132, 126, 146, 169, 184, 240, 246, 254 },
55};
56
57static const uint8_t vp6_sig_dct_pct[2][2] = {
58    { 237, 246 },
59    { 231, 243 },
60};
61
62static const uint8_t vp6_pdv_pct[2][7] = {
63    { 253, 253, 254, 254, 254, 254, 254 },
64    { 245, 253, 254, 254, 254, 254, 254 },
65};
66
67static const uint8_t vp6_fdv_pct[2][8] = {
68    { 254, 254, 254, 254, 254, 250, 250, 252 },
69    { 254, 254, 254, 254, 254, 251, 251, 254 },
70};
71
72static const uint8_t vp6_dccv_pct[2][11] = {
73    { 146, 255, 181, 207, 232, 243, 238, 251, 244, 250, 249 },
74    { 179, 255, 214, 240, 250, 255, 244, 255, 255, 255, 255 },
75};
76
77static const uint8_t vp6_coeff_reorder_pct[] =  {
78    255, 132, 132, 159, 153, 151, 161, 170,
79    164, 162, 136, 110, 103, 114, 129, 118,
80    124, 125, 132, 136, 114, 110, 142, 135,
81    134, 123, 143, 126, 153, 183, 166, 161,
82    171, 180, 179, 164, 203, 218, 225, 217,
83    215, 206, 203, 217, 229, 241, 248, 243,
84    253, 255, 253, 255, 255, 255, 255, 255,
85    255, 255, 255, 255, 255, 255, 255, 255,
86};
87
88static const uint8_t vp6_runv_pct[2][14] = {
89  { 219, 246, 238, 249, 232, 239, 249, 255, 248, 253, 239, 244, 241, 248 },
90  { 198, 232, 251, 253, 219, 241, 253, 255, 248, 249, 244, 238, 251, 255 },
91};
92
93static const uint8_t vp6_ract_pct[3][2][6][11] = {
94  { { { 227, 246, 230, 247, 244, 255, 255, 255, 255, 255, 255 },
95      { 255, 255, 209, 231, 231, 249, 249, 253, 255, 255, 255 },
96      { 255, 255, 225, 242, 241, 251, 253, 255, 255, 255, 255 },
97      { 255, 255, 241, 253, 252, 255, 255, 255, 255, 255, 255 },
98      { 255, 255, 248, 255, 255, 255, 255, 255, 255, 255, 255 },
99      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } },
100    { { 240, 255, 248, 255, 255, 255, 255, 255, 255, 255, 255 },
101      { 255, 255, 240, 253, 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      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
105      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } } },
106  { { { 206, 203, 227, 239, 247, 255, 253, 255, 255, 255, 255 },
107      { 207, 199, 220, 236, 243, 252, 252, 255, 255, 255, 255 },
108      { 212, 219, 230, 243, 244, 253, 252, 255, 255, 255, 255 },
109      { 236, 237, 247, 252, 253, 255, 255, 255, 255, 255, 255 },
110      { 240, 240, 248, 255, 255, 255, 255, 255, 255, 255, 255 },
111      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } },
112    { { 230, 233, 249, 255, 255, 255, 255, 255, 255, 255, 255 },
113      { 238, 238, 250, 255, 255, 255, 255, 255, 255, 255, 255 },
114      { 248, 251, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
115      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
116      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
117      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } } },
118  { { { 225, 239, 227, 231, 244, 253, 243, 255, 255, 253, 255 },
119      { 232, 234, 224, 228, 242, 249, 242, 252, 251, 251, 255 },
120      { 235, 249, 238, 240, 251, 255, 249, 255, 253, 253, 255 },
121      { 249, 253, 251, 250, 255, 255, 255, 255, 255, 255, 255 },
122      { 251, 250, 249, 255, 255, 255, 255, 255, 255, 255, 255 },
123      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } },
124    { { 243, 244, 250, 250, 255, 255, 255, 255, 255, 255, 255 },
125      { 249, 248, 250, 253, 255, 255, 255, 255, 255, 255, 255 },
126      { 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
127      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
128      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
129      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } } }
130};
131
132static const int vp6_dccv_lc[3][5][2] = {
133  { { 122, 133 }, { 0, 1 }, { 78,  171 }, { 139, 117 }, { 168, 79 } },
134  { { 133,  51 }, { 0, 1 }, { 169,  71 }, { 214,  44 }, { 210, 38 } },
135  { { 142, -16 }, { 0, 1 }, { 221, -30 }, { 246,  -3 }, { 203, 17 } },
136};
137
138static const uint8_t vp6_coeff_groups[] = {
139    0, 0, 1, 1, 1, 2, 2, 2,
140    2, 2, 2, 3, 3, 3, 3, 3,
141    3, 3, 3, 3, 3, 3, 4, 4,
142    4, 4, 4, 4, 4, 4, 4, 4,
143    4, 4, 4, 4, 4, 5, 5, 5,
144    5, 5, 5, 5, 5, 5, 5, 5,
145    5, 5, 5, 5, 5, 5, 5, 5,
146    5, 5, 5, 5, 5, 5, 5, 5,
147};
148
149static const int16_t vp6_block_copy_filter[17][8][4] = {
150  { {   0, 128,   0,   0  },  /* 0 */
151    {  -3, 122,   9,   0  },
152    {  -4, 109,  24,  -1  },
153    {  -5,  91,  45,  -3  },
154    {  -4,  68,  68,  -4  },
155    {  -3,  45,  91,  -5  },
156    {  -1,  24, 109,  -4  },
157    {   0,   9, 122,  -3  } },
158  { {   0, 128,   0,   0  },  /* 1 */
159    {  -4, 124,   9,  -1  },
160    {  -5, 110,  25,  -2  },
161    {  -6,  91,  46,  -3  },
162    {  -5,  69,  69,  -5  },
163    {  -3,  46,  91,  -6  },
164    {  -2,  25, 110,  -5  },
165    {  -1,   9, 124,  -4  } },
166  { {   0, 128,   0,   0  },  /* 2 */
167    {  -4, 123,  10,  -1  },
168    {  -6, 110,  26,  -2  },
169    {  -7,  92,  47,  -4  },
170    {  -6,  70,  70,  -6  },
171    {  -4,  47,  92,  -7  },
172    {  -2,  26, 110,  -6  },
173    {  -1,  10, 123,  -4  } },
174  { {   0, 128,   0,   0  },  /* 3 */
175    {  -5, 124,  10,  -1  },
176    {  -7, 110,  27,  -2  },
177    {  -7,  91,  48,  -4  },
178    {  -6,  70,  70,  -6  },
179    {  -4,  48,  92,  -8  },
180    {  -2,  27, 110,  -7  },
181    {  -1,  10, 124,  -5  } },
182  { {   0, 128,   0,   0  },  /* 4 */
183    {  -6, 124,  11,  -1  },
184    {  -8, 111,  28,  -3  },
185    {  -8,  92,  49,  -5  },
186    {  -7,  71,  71,  -7  },
187    {  -5,  49,  92,  -8  },
188    {  -3,  28, 111,  -8  },
189    {  -1,  11, 124,  -6  } },
190  { {  0,  128,   0,   0  },  /* 5 */
191    {  -6, 123,  12,  -1  },
192    {  -9, 111,  29,  -3  },
193    {  -9,  93,  50,  -6  },
194    {  -8,  72,  72,  -8  },
195    {  -6,  50,  93,  -9  },
196    {  -3,  29, 111,  -9  },
197    {  -1,  12, 123,  -6  } },
198  { {   0, 128,   0,   0  },  /* 6 */
199    {  -7, 124,  12,  -1  },
200    { -10, 111,  30,  -3  },
201    { -10,  93,  51,  -6  },
202    {  -9,  73,  73,  -9  },
203    {  -6,  51,  93, -10  },
204    {  -3,  30, 111, -10  },
205    {  -1,  12, 124,  -7  } },
206  { {   0, 128,   0,   0  },  /* 7 */
207    {  -7, 123,  13,  -1  },
208    { -11, 112,  31,  -4  },
209    { -11,  94,  52,  -7  },
210    { -10,  74,  74, -10  },
211    {  -7,  52,  94, -11  },
212    {  -4,  31, 112, -11  },
213    {  -1,  13, 123,  -7  } },
214  { {   0, 128,   0,  0  },  /* 8 */
215    {  -8, 124,  13,  -1  },
216    { -12, 112,  32,  -4  },
217    { -12,  94,  53,  -7  },
218    { -10,  74,  74, -10  },
219    {  -7,  53,  94, -12  },
220    {  -4,  32, 112, -12  },
221    {  -1,  13, 124,  -8  } },
222  { {   0, 128,   0,   0  },  /* 9 */
223    {  -9, 124,  14,  -1  },
224    { -13, 112,  33,  -4  },
225    { -13,  95,  54,  -8  },
226    { -11,  75,  75, -11  },
227    {  -8,  54,  95, -13  },
228    {  -4,  33, 112, -13  },
229    {  -1,  14, 124,  -9  } },
230  { {   0, 128,   0,   0  },  /* 10 */
231    {  -9, 123,  15,  -1  },
232    { -14, 113,  34,  -5  },
233    { -14,  95,  55,  -8  },
234    { -12,  76,  76, -12  },
235    {  -8,  55,  95, -14  },
236    {  -5,  34, 112, -13  },
237    {  -1,  15, 123,  -9  } },
238  { {   0, 128,   0,   0  },  /* 11 */
239    { -10, 124,  15,  -1  },
240    { -14, 113,  34,  -5  },
241    { -15,  96,  56,  -9  },
242    { -13,  77,  77, -13  },
243    {  -9,  56,  96, -15  },
244    {  -5,  34, 113, -14  },
245    {  -1,  15, 124, -10  } },
246  { {   0, 128,   0,   0  },  /* 12 */
247    { -10, 123,  16,  -1  },
248    { -15, 113,  35,  -5  },
249    { -16,  98,  56, -10  },
250    { -14,  78,  78, -14  },
251    { -10,  56,  98, -16  },
252    {  -5,  35, 113, -15  },
253    {  -1,  16, 123, -10  } },
254  { {   0, 128,   0,   0  },  /* 13 */
255    { -11, 124,  17,  -2  },
256    { -16, 113,  36,  -5  },
257    { -17,  98,  57, -10  },
258    { -14,  78,  78, -14  },
259    { -10,  57,  98, -17  },
260    {  -5,  36, 113, -16  },
261    {  -2,  17, 124, -11  } },
262  { {   0, 128,   0,   0  },  /* 14 */
263    { -12, 125,  17,  -2  },
264    { -17, 114,  37,  -6  },
265    { -18,  99,  58, -11  },
266    { -15,  79,  79, -15  },
267    { -11,  58,  99, -18  },
268    {  -6,  37, 114, -17  },
269    {  -2,  17, 125, -12  } },
270  { {   0, 128,   0,   0  },  /* 15 */
271    { -12, 124,  18,  -2  },
272    { -18, 114,  38,  -6  },
273    { -19,  99,  59, -11  },
274    { -16,  80,  80, -16  },
275    { -11,  59,  99, -19  },
276    {  -6,  38, 114, -18  },
277    {  -2,  18, 124, -12  } },
278  { {   0, 128,   0,   0  },  /* 16 */
279    {  -4, 118,  16,  -2  },
280    {  -7, 106,  34,  -5  },
281    {  -8,  90,  53,  -7  },
282    {  -8,  72,  72,  -8  },
283    {  -7,  53,  90,  -8  },
284    {  -5,  34, 106,  -7  },
285    {  -2,  16, 118,  -4  } },
286};
287
288static const VP56Tree vp6_pcr_tree[] = {
289    { 8, 0},
290    { 4, 1},
291    { 2, 2}, {-1}, {-2},
292    { 2, 3}, {-3}, {-4},
293    { 8, 4},
294    { 4, 5},
295    { 2, 6}, {-5}, {-6},
296    { 2, 7}, {-7}, {-8},
297             {-0},
298};
299
300static const uint8_t vp6_coord_div[] = { 4, 4, 4, 4, 8, 8 };
301
302static const uint8_t vp6_huff_coeff_map[] = {
303    13, 14, 11, 0, 1, 15, 16, 18, 2, 17, 3, 4, 19, 20, 5, 6, 21, 22, 7, 8, 9, 10
304};
305
306static const uint8_t vp6_huff_run_map[] = {
307    10, 13, 11, 12, 0, 1, 2, 3, 14, 8, 15, 16, 4, 5, 6, 7
308};
309
310#endif /* AVCODEC_VP6DATA_H */
311