| 1 | /* |
| 2 | * RealVideo 3 decoder |
| 3 | * copyright (c) 2007 Konstantin Shishkov |
| 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 | * miscellaneous RV30 tables |
| 25 | */ |
| 26 | |
| 27 | #ifndef AVCODEC_RV30DATA_H |
| 28 | #define AVCODEC_RV30DATA_H |
| 29 | |
| 30 | #include <stdint.h> |
| 31 | |
| 32 | /** DC quantizer mapping for RV30 */ |
| 33 | static const uint8_t rv30_luma_dc_quant[32] = { |
| 34 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, |
| 35 | 16, 17, 18, 19, 20, 21, 22, 22, 22, 23, 23, 23, 24, 24, 25, 25 |
| 36 | }; |
| 37 | |
| 38 | /** |
| 39 | * This table is used for storing the differences |
| 40 | * between the predicted and the real intra type. |
| 41 | */ |
| 42 | static const uint8_t rv30_itype_code[9*9*2] = { |
| 43 | 0, 0, 0, 1, 1, 0, 1, 1, 0, 2, 2, 0, 0, 3, 3, 0, 1, 2, |
| 44 | 2, 1, 0, 4, 4, 0, 3, 1, 1, 3, 0, 5, 5, 0, 2, 2, 1, 4, |
| 45 | 4, 1, 0, 6, 3, 2, 1, 5, 2, 3, 5, 1, 6, 0, 0, 7, 4, 2, |
| 46 | 2, 4, 3, 3, 6, 1, 1, 6, 7, 0, 0, 8, 5, 2, 4, 3, 2, 5, |
| 47 | 3, 4, 1, 7, 4, 4, 7, 1, 8, 0, 6, 2, 3, 5, 5, 3, 2, 6, |
| 48 | 1, 8, 2, 7, 7, 2, 8, 1, 5, 4, 4, 5, 3, 6, 6, 3, 8, 2, |
| 49 | 4, 6, 5, 5, 6, 4, 2, 8, 7, 3, 3, 7, 6, 5, 5, 6, 7, 4, |
| 50 | 4, 7, 8, 3, 3, 8, 7, 5, 8, 4, 5, 7, 4, 8, 6, 6, 7, 6, |
| 51 | 5, 8, 8, 5, 6, 7, 8, 6, 7, 7, 6, 8, 8, 7, 7, 8, 8, 8, |
| 52 | }; |
| 53 | |
| 54 | /** |
| 55 | * This table is used for retrieving the current intra type |
| 56 | * based on its neighbors and adjustment provided by |
| 57 | * code read and decoded before. |
| 58 | * |
| 59 | * This is really a three-dimensional matrix with dimensions |
| 60 | * [-1..9][-1..9][0..9]. The first and second coordinates are |
| 61 | * determined by the top and left neighbors (-1 if unavailable). |
| 62 | */ |
| 63 | static const uint8_t rv30_itype_from_context[900] = { |
| 64 | 0, 9, 9, 9, 9, 9, 9, 9, 9, |
| 65 | 0, 2, 9, 9, 9, 9, 9, 9, 9, |
| 66 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 67 | 2, 0, 9, 9, 9, 9, 9, 9, 9, |
| 68 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 69 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 70 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 71 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 72 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 73 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 74 | |
| 75 | 0, 1, 9, 9, 9, 9, 9, 9, 9, |
| 76 | 0, 2, 1, 6, 4, 8, 5, 7, 3, |
| 77 | 1, 0, 2, 6, 5, 4, 3, 8, 7, |
| 78 | 2, 8, 0, 1, 7, 4, 3, 6, 5, |
| 79 | 2, 0, 1, 3, 8, 5, 4, 7, 6, |
| 80 | 2, 0, 1, 4, 6, 7, 8, 3, 5, |
| 81 | 0, 1, 5, 2, 6, 3, 8, 4, 7, |
| 82 | 0, 1, 6, 2, 4, 7, 5, 8, 3, |
| 83 | 2, 7, 0, 1, 4, 8, 6, 3, 5, |
| 84 | 2, 8, 0, 1, 7, 3, 4, 5, 6, |
| 85 | |
| 86 | 1, 0, 9, 9, 9, 9, 9, 9, 9, |
| 87 | 1, 2, 5, 6, 3, 0, 4, 8, 7, |
| 88 | 1, 6, 2, 5, 3, 0, 4, 8, 7, |
| 89 | 2, 1, 7, 6, 8, 3, 5, 0, 4, |
| 90 | 1, 2, 5, 3, 6, 8, 4, 7, 0, |
| 91 | 1, 6, 2, 0, 4, 5, 8, 7, 3, |
| 92 | 1, 5, 2, 6, 3, 8, 4, 0, 7, |
| 93 | 1, 6, 0, 2, 4, 5, 7, 3, 8, |
| 94 | 2, 1, 7, 6, 0, 8, 5, 4, 3, |
| 95 | 1, 2, 7, 8, 3, 4, 5, 6, 0, |
| 96 | |
| 97 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 98 | 0, 2, 1, 8, 7, 6, 5, 4, 3, |
| 99 | 1, 2, 0, 6, 5, 7, 4, 8, 3, |
| 100 | 2, 8, 7, 1, 0, 6, 4, 3, 5, |
| 101 | 2, 0, 8, 1, 3, 7, 5, 4, 6, |
| 102 | 2, 0, 4, 1, 7, 8, 6, 3, 5, |
| 103 | 2, 0, 1, 5, 8, 4, 6, 7, 3, |
| 104 | 2, 0, 6, 1, 4, 7, 8, 5, 3, |
| 105 | 2, 7, 8, 1, 0, 5, 4, 6, 3, |
| 106 | 2, 8, 7, 1, 0, 4, 3, 6, 5, |
| 107 | |
| 108 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 109 | 0, 2, 1, 3, 5, 8, 6, 4, 7, |
| 110 | 1, 0, 2, 5, 3, 6, 4, 8, 7, |
| 111 | 2, 8, 1, 0, 3, 5, 7, 6, 4, |
| 112 | 3, 2, 5, 8, 1, 4, 6, 7, 0, |
| 113 | 4, 2, 0, 6, 1, 5, 8, 3, 7, |
| 114 | 5, 3, 1, 2, 8, 6, 4, 0, 7, |
| 115 | 1, 6, 0, 2, 4, 5, 8, 3, 7, |
| 116 | 2, 7, 0, 1, 5, 4, 8, 6, 3, |
| 117 | 2, 8, 3, 5, 1, 0, 7, 6, 4, |
| 118 | |
| 119 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 120 | 2, 0, 6, 1, 4, 7, 5, 8, 3, |
| 121 | 1, 6, 2, 0, 4, 5, 3, 7, 8, |
| 122 | 2, 8, 7, 6, 4, 0, 1, 5, 3, |
| 123 | 4, 2, 1, 0, 6, 8, 3, 5, 7, |
| 124 | 4, 2, 6, 0, 1, 5, 7, 8, 3, |
| 125 | 1, 2, 5, 0, 6, 3, 4, 7, 8, |
| 126 | 6, 4, 0, 1, 2, 7, 5, 3, 8, |
| 127 | 2, 7, 4, 6, 0, 1, 8, 5, 3, |
| 128 | 2, 8, 7, 4, 6, 1, 3, 5, 0, |
| 129 | |
| 130 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 131 | 5, 1, 2, 3, 6, 8, 0, 4, 7, |
| 132 | 1, 5, 6, 3, 2, 0, 4, 8, 7, |
| 133 | 2, 1, 5, 3, 6, 8, 7, 4, 0, |
| 134 | 5, 3, 1, 2, 6, 8, 4, 7, 0, |
| 135 | 1, 6, 2, 4, 5, 8, 0, 3, 7, |
| 136 | 5, 1, 3, 6, 2, 0, 8, 4, 7, |
| 137 | 1, 6, 5, 2, 0, 4, 3, 7, 8, |
| 138 | 2, 7, 1, 6, 5, 0, 8, 3, 4, |
| 139 | 2, 5, 1, 3, 6, 8, 4, 0, 7, |
| 140 | |
| 141 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 142 | 1, 6, 2, 0, 5, 4, 3, 7, 8, |
| 143 | 1, 6, 5, 4, 2, 3, 0, 7, 8, |
| 144 | 2, 1, 6, 7, 4, 8, 5, 3, 0, |
| 145 | 2, 1, 6, 5, 8, 4, 3, 0, 7, |
| 146 | 6, 4, 1, 2, 0, 5, 7, 8, 3, |
| 147 | 1, 6, 5, 2, 3, 0, 4, 8, 7, |
| 148 | 6, 1, 4, 0, 2, 7, 5, 3, 8, |
| 149 | 2, 7, 4, 6, 1, 5, 0, 8, 3, |
| 150 | 2, 1, 6, 8, 4, 7, 3, 5, 0, |
| 151 | |
| 152 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 153 | 2, 0, 4, 7, 6, 1, 8, 5, 3, |
| 154 | 6, 1, 2, 0, 4, 7, 5, 8, 3, |
| 155 | 2, 7, 8, 0, 1, 6, 4, 3, 5, |
| 156 | 2, 4, 0, 8, 3, 1, 7, 6, 5, |
| 157 | 4, 2, 7, 0, 6, 1, 8, 5, 3, |
| 158 | 2, 1, 0, 8, 5, 6, 7, 4, 3, |
| 159 | 2, 6, 4, 1, 7, 0, 5, 8, 3, |
| 160 | 2, 7, 4, 0, 8, 6, 1, 5, 3, |
| 161 | 2, 8, 7, 4, 1, 0, 3, 6, 5, |
| 162 | |
| 163 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
| 164 | 2, 0, 8, 1, 3, 4, 6, 5, 7, |
| 165 | 1, 2, 0, 6, 8, 5, 7, 3, 4, |
| 166 | 2, 8, 7, 1, 0, 3, 6, 5, 4, |
| 167 | 8, 3, 2, 5, 1, 0, 4, 7, 6, |
| 168 | 2, 0, 4, 8, 5, 1, 7, 6, 3, |
| 169 | 2, 1, 0, 8, 5, 3, 6, 4, 7, |
| 170 | 2, 1, 6, 0, 8, 4, 5, 7, 3, |
| 171 | 2, 7, 8, 4, 0, 6, 1, 5, 3, |
| 172 | 2, 8, 3, 0, 7, 4, 1, 6, 5, |
| 173 | }; |
| 174 | |
| 175 | /** |
| 176 | * Loop filter limits are taken from this table. |
| 177 | */ |
| 178 | static const uint8_t rv30_loop_filt_lim[32] = { |
| 179 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5 |
| 180 | }; |
| 181 | #endif /* AVCODEC_RV30DATA_H */ |