| 1 | /* |
| 2 | * Indeo Video Interactive 4 compatible decoder |
| 3 | * Copyright (c) 2009-2010 Maxim Poliakovski |
| 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 | * This file contains data needed for the Indeo 4 decoder. |
| 25 | */ |
| 26 | |
| 27 | #ifndef AVCODEC_INDEO4DATA_H |
| 28 | #define AVCODEC_INDEO4DATA_H |
| 29 | |
| 30 | #include <stdint.h> |
| 31 | |
| 32 | #include "ivi_common.h" |
| 33 | #include "mathops.h" |
| 34 | |
| 35 | /** |
| 36 | * standard picture dimensions |
| 37 | */ |
| 38 | static const uint16_t ivi4_common_pic_sizes[14] = { |
| 39 | 640, 480, 320, 240, 160, 120, 704, 480, 352, 240, 352, 288, 176, 144 |
| 40 | }; |
| 41 | |
| 42 | /** |
| 43 | * Indeo 4 8x8 scan (zigzag) patterns |
| 44 | */ |
| 45 | static const uint8_t ivi4_alternate_scan_8x8[64] = { |
| 46 | 0, 8, 1, 9, 16, 24, 2, 3, 17, 25, 10, 11, 32, 40, 48, 56, |
| 47 | 4, 5, 6, 7, 33, 41, 49, 57, 18, 19, 26, 27, 12, 13, 14, 15, |
| 48 | 34, 35, 43, 42, 50, 51, 59, 58, 20, 21, 22, 23, 31, 30, 29, 28, |
| 49 | 36, 37, 38, 39, 47, 46, 45, 44, 52, 53, 54, 55, 63, 62, 61, 60 |
| 50 | }; |
| 51 | |
| 52 | static const uint8_t ivi4_alternate_scan_4x4[16] = { |
| 53 | 0, 1, 4, 5, 8, 12, 2, 3, 9, 13, 6, 7, 10, 11, 14, 15 |
| 54 | }; |
| 55 | |
| 56 | static const uint8_t ivi4_vertical_scan_4x4[16] = { |
| 57 | 0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15 |
| 58 | }; |
| 59 | |
| 60 | static const uint8_t ivi4_horizontal_scan_4x4[16] = { |
| 61 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 |
| 62 | }; |
| 63 | |
| 64 | static const uint8_t * const scan_index_to_tab[15] = { |
| 65 | // for 8x8 transforms |
| 66 | ff_zigzag_direct, |
| 67 | ivi4_alternate_scan_8x8, |
| 68 | ff_ivi_horizontal_scan_8x8, |
| 69 | ff_ivi_vertical_scan_8x8, |
| 70 | ff_zigzag_direct, |
| 71 | |
| 72 | // for 4x4 transforms |
| 73 | ff_ivi_direct_scan_4x4, |
| 74 | ivi4_alternate_scan_4x4, |
| 75 | ivi4_vertical_scan_4x4, |
| 76 | ivi4_horizontal_scan_4x4, |
| 77 | ff_ivi_direct_scan_4x4, |
| 78 | |
| 79 | // TODO: check if those are needed |
| 80 | ff_ivi_horizontal_scan_8x8, |
| 81 | ff_ivi_horizontal_scan_8x8, |
| 82 | ff_ivi_horizontal_scan_8x8, |
| 83 | ff_ivi_horizontal_scan_8x8, |
| 84 | ff_ivi_horizontal_scan_8x8 |
| 85 | }; |
| 86 | |
| 87 | /** |
| 88 | * Indeo 4 dequant tables |
| 89 | */ |
| 90 | static const uint16_t ivi4_quant_8x8_intra[9][64] = { |
| 91 | { |
| 92 | 43, 342, 385, 470, 555, 555, 598, 726, |
| 93 | 342, 342, 470, 513, 555, 598, 726, 769, |
| 94 | 385, 470, 555, 555, 598, 726, 726, 811, |
| 95 | 470, 470, 555, 555, 598, 726, 769, 854, |
| 96 | 470, 555, 555, 598, 683, 726, 854, 1025, |
| 97 | 555, 555, 598, 683, 726, 854, 1025, 1153, |
| 98 | 555, 555, 598, 726, 811, 982, 1195, 1451, |
| 99 | 555, 598, 726, 811, 982, 1195, 1451, 1793 |
| 100 | }, |
| 101 | { |
| 102 | 86, 1195, 2390, 2390, 4865, 4865, 4865, 4865, |
| 103 | 1195, 1195, 2390, 2390, 4865, 4865, 4865, 4865, |
| 104 | 2390, 2390, 4865, 4865, 6827, 6827, 6827, 6827, |
| 105 | 2390, 2390, 4865, 4865, 6827, 6827, 6827, 6827, |
| 106 | 4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827, |
| 107 | 4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827, |
| 108 | 4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827, |
| 109 | 4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827 |
| 110 | }, |
| 111 | { |
| 112 | 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835, |
| 113 | 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835, |
| 114 | 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835, |
| 115 | 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835, |
| 116 | 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835, |
| 117 | 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835, |
| 118 | 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835, |
| 119 | 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835 |
| 120 | }, |
| 121 | { |
| 122 | 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414, |
| 123 | 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414, |
| 124 | 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414, |
| 125 | 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414, |
| 126 | 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414, |
| 127 | 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414, |
| 128 | 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414, |
| 129 | 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414 |
| 130 | }, |
| 131 | { |
| 132 | 897, 897, 897, 897, 897, 897, 897, 897, |
| 133 | 1067, 1067, 1067, 1067, 1067, 1067, 1067, 1067, |
| 134 | 1238, 1238, 1238, 1238, 1238, 1238, 1238, 1238, |
| 135 | 1409, 1409, 1409, 1409, 1409, 1409, 1409, 1409, |
| 136 | 1579, 1579, 1579, 1579, 1579, 1579, 1579, 1579, |
| 137 | 1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750, |
| 138 | 1921, 1921, 1921, 1921, 1921, 1921, 1921, 1921, |
| 139 | 2091, 2091, 2091, 2091, 2091, 2091, 2091, 2091 |
| 140 | }, |
| 141 | { |
| 142 | 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, |
| 143 | 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, |
| 144 | 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414, |
| 145 | 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414, |
| 146 | 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414, |
| 147 | 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414, |
| 148 | 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414, |
| 149 | 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414 |
| 150 | }, |
| 151 | { |
| 152 | 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390, |
| 153 | 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390, |
| 154 | 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390, |
| 155 | 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390, |
| 156 | 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390, |
| 157 | 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390, |
| 158 | 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390, |
| 159 | 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390 |
| 160 | }, |
| 161 | { |
| 162 | 22, 171, 214, 257, 257, 299, 299, 342, |
| 163 | 171, 171, 257, 257, 299, 299, 342, 385, |
| 164 | 214, 257, 257, 299, 299, 342, 342, 385, |
| 165 | 257, 257, 257, 299, 299, 342, 385, 427, |
| 166 | 257, 257, 299, 299, 342, 385, 427, 513, |
| 167 | 257, 299, 299, 342, 385, 427, 513, 598, |
| 168 | 299, 299, 299, 385, 385, 470, 598, 726, |
| 169 | 299, 299, 385, 385, 470, 598, 726, 897 |
| 170 | }, |
| 171 | { |
| 172 | 86, 598, 1195, 1195, 2390, 2390, 2390, 2390, |
| 173 | 598, 598, 1195, 1195, 2390, 2390, 2390, 2390, |
| 174 | 1195, 1195, 2390, 2390, 3414, 3414, 3414, 3414, |
| 175 | 1195, 1195, 2390, 2390, 3414, 3414, 3414, 3414, |
| 176 | 2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414, |
| 177 | 2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414, |
| 178 | 2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414, |
| 179 | 2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414 |
| 180 | } |
| 181 | }; |
| 182 | |
| 183 | static const uint16_t ivi4_quant_8x8_inter[9][64] = { |
| 184 | { |
| 185 | 427, 427, 470, 427, 427, 427, 470, 470, |
| 186 | 427, 427, 470, 427, 427, 427, 470, 470, |
| 187 | 470, 470, 470, 470, 470, 470, 470, 470, |
| 188 | 427, 427, 470, 470, 427, 427, 470, 470, |
| 189 | 427, 427, 470, 427, 427, 427, 470, 470, |
| 190 | 427, 427, 470, 427, 427, 427, 470, 470, |
| 191 | 470, 470, 470, 470, 470, 470, 470, 470, |
| 192 | 470, 470, 470, 470, 470, 470, 470, 470 |
| 193 | }, |
| 194 | { |
| 195 | 1707, 1707, 2433, 2433, 3414, 3414, 3414, 3414, |
| 196 | 1707, 1707, 2433, 2433, 3414, 3414, 3414, 3414, |
| 197 | 2433, 2433, 3414, 3414, 4822, 4822, 4822, 4822, |
| 198 | 2433, 2433, 3414, 3414, 4822, 4822, 4822, 4822, |
| 199 | 3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414, |
| 200 | 3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414, |
| 201 | 3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414, |
| 202 | 3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414 |
| 203 | }, |
| 204 | { |
| 205 | 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281, |
| 206 | 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281, |
| 207 | 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281, |
| 208 | 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281, |
| 209 | 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281, |
| 210 | 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281, |
| 211 | 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281, |
| 212 | 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281 |
| 213 | }, |
| 214 | { |
| 215 | 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433, |
| 216 | 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433, |
| 217 | 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433, |
| 218 | 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433, |
| 219 | 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433, |
| 220 | 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433, |
| 221 | 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433, |
| 222 | 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433 |
| 223 | }, |
| 224 | { |
| 225 | 1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195, |
| 226 | 1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195, |
| 227 | 1281, 1281, 1281, 1281, 1281, 1281, 1281, 1281, |
| 228 | 1238, 1238, 1238, 1238, 1238, 1238, 1238, 1238, |
| 229 | 1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195, |
| 230 | 1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195, |
| 231 | 1281, 1281, 1281, 1281, 1281, 1281, 1281, 1281, |
| 232 | 1281, 1281, 1281, 1281, 1281, 1281, 1281, 1281 |
| 233 | }, |
| 234 | { |
| 235 | 2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433, |
| 236 | 2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433, |
| 237 | 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414, |
| 238 | 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414, |
| 239 | 2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433, |
| 240 | 2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433, |
| 241 | 2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433, |
| 242 | 2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433 |
| 243 | }, |
| 244 | { |
| 245 | 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, |
| 246 | 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, |
| 247 | 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, |
| 248 | 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, |
| 249 | 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, |
| 250 | 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, |
| 251 | 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, |
| 252 | 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707 |
| 253 | }, |
| 254 | { |
| 255 | 86, 171, 171, 214, 214, 214, 214, 257, |
| 256 | 171, 171, 214, 214, 214, 214, 257, 257, |
| 257 | 171, 214, 214, 214, 214, 257, 257, 257, |
| 258 | 214, 214, 214, 214, 257, 257, 257, 299, |
| 259 | 214, 214, 214, 257, 257, 257, 299, 299, |
| 260 | 214, 214, 257, 257, 257, 299, 299, 299, |
| 261 | 214, 257, 257, 257, 299, 299, 299, 342, |
| 262 | 257, 257, 257, 299, 299, 299, 342, 342 |
| 263 | }, |
| 264 | { |
| 265 | 854, 854, 1195, 1195, 1707, 1707, 1707, 1707, |
| 266 | 854, 854, 1195, 1195, 1707, 1707, 1707, 1707, |
| 267 | 1195, 1195, 1707, 1707, 2390, 2390, 2390, 2390, |
| 268 | 1195, 1195, 1707, 1707, 2390, 2390, 2390, 2390, |
| 269 | 1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707, |
| 270 | 1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707, |
| 271 | 1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707, |
| 272 | 1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707 |
| 273 | } |
| 274 | }; |
| 275 | |
| 276 | static const uint16_t ivi4_quant_4x4_intra[5][16] = { |
| 277 | { |
| 278 | 22, 214, 257, 299, |
| 279 | 214, 257, 299, 342, |
| 280 | 257, 299, 342, 427, |
| 281 | 299, 342, 427, 513 |
| 282 | }, |
| 283 | { |
| 284 | 129, 1025, 1451, 1451, |
| 285 | 1025, 1025, 1451, 1451, |
| 286 | 1451, 1451, 2049, 2049, |
| 287 | 1451, 1451, 2049, 2049 |
| 288 | }, |
| 289 | { |
| 290 | 43, 171, 171, 171, |
| 291 | 43, 171, 171, 171, |
| 292 | 43, 171, 171, 171, |
| 293 | 43, 171, 171, 171 |
| 294 | }, |
| 295 | { |
| 296 | 43, 43, 43, 43, |
| 297 | 171, 171, 171, 171, |
| 298 | 171, 171, 171, 171, |
| 299 | 171, 171, 171, 171 |
| 300 | }, |
| 301 | { |
| 302 | 43, 43, 43, 43, |
| 303 | 43, 43, 43, 43, |
| 304 | 43, 43, 43, 43, |
| 305 | 43, 43, 43, 43 |
| 306 | } |
| 307 | }; |
| 308 | |
| 309 | static const uint16_t ivi4_quant_4x4_inter[5][16] = { |
| 310 | { |
| 311 | 107, 214, 257, 299, |
| 312 | 214, 257, 299, 299, |
| 313 | 257, 299, 299, 342, |
| 314 | 299, 299, 342, 342 |
| 315 | }, |
| 316 | { |
| 317 | 513, 1025, 1238, 1238, |
| 318 | 1025, 1025, 1238, 1238, |
| 319 | 1238, 1238, 1451, 1451, |
| 320 | 1238, 1238, 1451, 1451 |
| 321 | }, |
| 322 | { |
| 323 | 43, 171, 171, 171, |
| 324 | 43, 171, 171, 171, |
| 325 | 43, 171, 171, 171, |
| 326 | 43, 171, 171, 171 |
| 327 | }, |
| 328 | { |
| 329 | 43, 43, 43, 43, |
| 330 | 171, 171, 171, 171, |
| 331 | 171, 171, 171, 171, |
| 332 | 171, 171, 171, 171 |
| 333 | }, |
| 334 | { |
| 335 | 43, 43, 43, 43, |
| 336 | 43, 43, 43, 43, |
| 337 | 43, 43, 43, 43, |
| 338 | 43, 43, 43, 43 |
| 339 | } |
| 340 | }; |
| 341 | |
| 342 | /** |
| 343 | * Table for mapping quant matrix index from the bitstream |
| 344 | * into internal quant table number. |
| 345 | */ |
| 346 | static const uint8_t quant_index_to_tab[22] = { |
| 347 | 0, 1, 0, 2, 1, 3, 0, 4, 1, 5, 0, 1, 6, 7, 8, // for 8x8 quant matrixes |
| 348 | 0, 1, 2, 2, 3, 3, 4 // for 4x4 quant matrixes |
| 349 | }; |
| 350 | |
| 351 | #endif /* AVCODEC_INDEO4DATA_H */ |