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 * VP5 and VP6 compatible video decoder (common data)
24 */
25
26#include "vp56data.h"
27
28const uint8_t vp56_b2p[]   = { 0, 0, 0, 0, 1, 2, 3, 3, 3, 3 };
29const uint8_t vp56_b6to4[] = { 0, 0, 1, 1, 2, 3 };
30
31const uint8_t vp56_coeff_parse_table[6][11] = {
32    { 159,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0 },
33    { 145, 165,   0,   0,   0,   0,   0,   0,   0,   0,   0 },
34    { 140, 148, 173,   0,   0,   0,   0,   0,   0,   0,   0 },
35    { 135, 140, 155, 176,   0,   0,   0,   0,   0,   0,   0 },
36    { 130, 134, 141, 157, 180,   0,   0,   0,   0,   0,   0 },
37    { 129, 130, 133, 140, 153, 177, 196, 230, 243, 254, 254 },
38};
39
40const uint8_t vp56_def_mb_types_stats[3][10][2] = {
41    { {  69, 42 }, {   1,  2 }, {  1,   7 }, {  44, 42 }, {  6, 22 },
42      {   1,  3 }, {   0,  2 }, {  1,   5 }, {   0,  1 }, {  0,  0 }, },
43    { { 229,  8 }, {   1,  1 }, {  0,   8 }, {   0,  0 }, {  0,  0 },
44      {   1,  2 }, {   0,  1 }, {  0,   0 }, {   1,  1 }, {  0,  0 }, },
45    { { 122, 35 }, {   1,  1 }, {  1,   6 }, {  46, 34 }, {  0,  0 },
46      {   1,  2 }, {   0,  1 }, {  0,   1 }, {   1,  1 }, {  0,  0 }, },
47};
48
49const VP56Tree vp56_pva_tree[] = {
50    { 8, 0},
51    { 4, 1},
52    { 2, 2}, {-0}, {-1},
53    { 2, 3}, {-2}, {-3},
54    { 4, 4},
55    { 2, 5}, {-4}, {-5},
56    { 2, 6}, {-6}, {-7},
57};
58
59const VP56Tree vp56_pc_tree[] = {
60    { 4, 6},
61    { 2, 7}, {-0}, {-1},
62    { 4, 8},
63    { 2, 9}, {-2}, {-3},
64    { 2,10}, {-4}, {-5},
65};
66
67const uint8_t vp56_coeff_bias[] = { 0, 1, 2, 3, 4, 5, 7, 11, 19, 35, 67 };
68const uint8_t vp56_coeff_bit_length[] = { 0, 1, 2, 3, 4, 10 };
69