1 /* 2 * MPEG-1/2 tables 3 * copyright (c) 2000,2001 Fabrice Bellard 4 * copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> 5 * 6 * This file is part of FFmpeg. 7 * 8 * FFmpeg is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public 10 * License as published by the Free Software Foundation; either 11 * version 2.1 of the License, or (at your option) any later version. 12 * 13 * FFmpeg is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with FFmpeg; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 */ 22 23 /** 24 * @file 25 * MPEG-1/2 tables. 26 */ 27 28 #include "mpeg12data.h" 29 30 const uint16_t ff_mpeg1_default_intra_matrix[256] = { 31 8, 16, 19, 22, 26, 27, 29, 34, 32 16, 16, 22, 24, 27, 29, 34, 37, 33 19, 22, 26, 27, 29, 34, 34, 38, 34 22, 22, 26, 27, 29, 34, 37, 40, 35 22, 26, 27, 29, 32, 35, 40, 48, 36 26, 27, 29, 32, 35, 40, 48, 58, 37 26, 27, 29, 34, 38, 46, 56, 69, 38 27, 29, 35, 38, 46, 56, 69, 83 39 }; 40 41 const uint16_t ff_mpeg1_default_non_intra_matrix[64] = { 42 16, 16, 16, 16, 16, 16, 16, 16, 43 16, 16, 16, 16, 16, 16, 16, 16, 44 16, 16, 16, 16, 16, 16, 16, 16, 45 16, 16, 16, 16, 16, 16, 16, 16, 46 16, 16, 16, 16, 16, 16, 16, 16, 47 16, 16, 16, 16, 16, 16, 16, 16, 48 16, 16, 16, 16, 16, 16, 16, 16, 49 16, 16, 16, 16, 16, 16, 16, 16, 50 }; 51 52 const uint16_t ff_mpeg12_vlc_dc_lum_code[12] = { 53 0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x1ff, 54 }; 55 const unsigned char ff_mpeg12_vlc_dc_lum_bits[12] = { 56 3, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9, 57 }; 58 59 const uint16_t ff_mpeg12_vlc_dc_chroma_code[12] = { 60 0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x3fe, 0x3ff, 61 }; 62 const unsigned char ff_mpeg12_vlc_dc_chroma_bits[12] = { 63 2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 64 }; 65 66 static const uint16_t mpeg1_vlc[113][2] = { 67 { 0x3, 2 }, { 0x4, 4 }, { 0x5, 5 }, { 0x6, 7 }, 68 { 0x26, 8 }, { 0x21, 8 }, { 0xa, 10 }, { 0x1d, 12 }, 69 { 0x18, 12 }, { 0x13, 12 }, { 0x10, 12 }, { 0x1a, 13 }, 70 { 0x19, 13 }, { 0x18, 13 }, { 0x17, 13 }, { 0x1f, 14 }, 71 { 0x1e, 14 }, { 0x1d, 14 }, { 0x1c, 14 }, { 0x1b, 14 }, 72 { 0x1a, 14 }, { 0x19, 14 }, { 0x18, 14 }, { 0x17, 14 }, 73 { 0x16, 14 }, { 0x15, 14 }, { 0x14, 14 }, { 0x13, 14 }, 74 { 0x12, 14 }, { 0x11, 14 }, { 0x10, 14 }, { 0x18, 15 }, 75 { 0x17, 15 }, { 0x16, 15 }, { 0x15, 15 }, { 0x14, 15 }, 76 { 0x13, 15 }, { 0x12, 15 }, { 0x11, 15 }, { 0x10, 15 }, 77 { 0x3, 3 }, { 0x6, 6 }, { 0x25, 8 }, { 0xc, 10 }, 78 { 0x1b, 12 }, { 0x16, 13 }, { 0x15, 13 }, { 0x1f, 15 }, 79 { 0x1e, 15 }, { 0x1d, 15 }, { 0x1c, 15 }, { 0x1b, 15 }, 80 { 0x1a, 15 }, { 0x19, 15 }, { 0x13, 16 }, { 0x12, 16 }, 81 { 0x11, 16 }, { 0x10, 16 }, { 0x5, 4 }, { 0x4, 7 }, 82 { 0xb, 10 }, { 0x14, 12 }, { 0x14, 13 }, { 0x7, 5 }, 83 { 0x24, 8 }, { 0x1c, 12 }, { 0x13, 13 }, { 0x6, 5 }, 84 { 0xf, 10 }, { 0x12, 12 }, { 0x7, 6 }, { 0x9, 10 }, 85 { 0x12, 13 }, { 0x5, 6 }, { 0x1e, 12 }, { 0x14, 16 }, 86 { 0x4, 6 }, { 0x15, 12 }, { 0x7, 7 }, { 0x11, 12 }, 87 { 0x5, 7 }, { 0x11, 13 }, { 0x27, 8 }, { 0x10, 13 }, 88 { 0x23, 8 }, { 0x1a, 16 }, { 0x22, 8 }, { 0x19, 16 }, 89 { 0x20, 8 }, { 0x18, 16 }, { 0xe, 10 }, { 0x17, 16 }, 90 { 0xd, 10 }, { 0x16, 16 }, { 0x8, 10 }, { 0x15, 16 }, 91 { 0x1f, 12 }, { 0x1a, 12 }, { 0x19, 12 }, { 0x17, 12 }, 92 { 0x16, 12 }, { 0x1f, 13 }, { 0x1e, 13 }, { 0x1d, 13 }, 93 { 0x1c, 13 }, { 0x1b, 13 }, { 0x1f, 16 }, { 0x1e, 16 }, 94 { 0x1d, 16 }, { 0x1c, 16 }, { 0x1b, 16 }, 95 { 0x1, 6 }, /* escape */ 96 { 0x2, 2 }, /* EOB */ 97 }; 98 99 static const uint16_t mpeg2_vlc[113][2] = { 100 {0x02, 2}, {0x06, 3}, {0x07, 4}, {0x1c, 5}, 101 {0x1d, 5}, {0x05, 6}, {0x04, 6}, {0x7b, 7}, 102 {0x7c, 7}, {0x23, 8}, {0x22, 8}, {0xfa, 8}, 103 {0xfb, 8}, {0xfe, 8}, {0xff, 8}, {0x1f,14}, 104 {0x1e,14}, {0x1d,14}, {0x1c,14}, {0x1b,14}, 105 {0x1a,14}, {0x19,14}, {0x18,14}, {0x17,14}, 106 {0x16,14}, {0x15,14}, {0x14,14}, {0x13,14}, 107 {0x12,14}, {0x11,14}, {0x10,14}, {0x18,15}, 108 {0x17,15}, {0x16,15}, {0x15,15}, {0x14,15}, 109 {0x13,15}, {0x12,15}, {0x11,15}, {0x10,15}, 110 {0x02, 3}, {0x06, 5}, {0x79, 7}, {0x27, 8}, 111 {0x20, 8}, {0x16,13}, {0x15,13}, {0x1f,15}, 112 {0x1e,15}, {0x1d,15}, {0x1c,15}, {0x1b,15}, 113 {0x1a,15}, {0x19,15}, {0x13,16}, {0x12,16}, 114 {0x11,16}, {0x10,16}, {0x05, 5}, {0x07, 7}, 115 {0xfc, 8}, {0x0c,10}, {0x14,13}, {0x07, 5}, 116 {0x26, 8}, {0x1c,12}, {0x13,13}, {0x06, 6}, 117 {0xfd, 8}, {0x12,12}, {0x07, 6}, {0x04, 9}, 118 {0x12,13}, {0x06, 7}, {0x1e,12}, {0x14,16}, 119 {0x04, 7}, {0x15,12}, {0x05, 7}, {0x11,12}, 120 {0x78, 7}, {0x11,13}, {0x7a, 7}, {0x10,13}, 121 {0x21, 8}, {0x1a,16}, {0x25, 8}, {0x19,16}, 122 {0x24, 8}, {0x18,16}, {0x05, 9}, {0x17,16}, 123 {0x07, 9}, {0x16,16}, {0x0d,10}, {0x15,16}, 124 {0x1f,12}, {0x1a,12}, {0x19,12}, {0x17,12}, 125 {0x16,12}, {0x1f,13}, {0x1e,13}, {0x1d,13}, 126 {0x1c,13}, {0x1b,13}, {0x1f,16}, {0x1e,16}, 127 {0x1d,16}, {0x1c,16}, {0x1b,16}, 128 {0x01,6}, /* escape */ 129 {0x06,4}, /* EOB */ 130 }; 131 132 static const int8_t mpeg1_level[111] = { 133 1, 2, 3, 4, 5, 6, 7, 8, 134 9, 10, 11, 12, 13, 14, 15, 16, 135 17, 18, 19, 20, 21, 22, 23, 24, 136 25, 26, 27, 28, 29, 30, 31, 32, 137 33, 34, 35, 36, 37, 38, 39, 40, 138 1, 2, 3, 4, 5, 6, 7, 8, 139 9, 10, 11, 12, 13, 14, 15, 16, 140 17, 18, 1, 2, 3, 4, 5, 1, 141 2, 3, 4, 1, 2, 3, 1, 2, 142 3, 1, 2, 3, 1, 2, 1, 2, 143 1, 2, 1, 2, 1, 2, 1, 2, 144 1, 2, 1, 2, 1, 2, 1, 2, 145 1, 1, 1, 1, 1, 1, 1, 1, 146 1, 1, 1, 1, 1, 1, 1, 147 }; 148 149 static const int8_t mpeg1_run[111] = { 150 0, 0, 0, 0, 0, 0, 0, 0, 151 0, 0, 0, 0, 0, 0, 0, 0, 152 0, 0, 0, 0, 0, 0, 0, 0, 153 0, 0, 0, 0, 0, 0, 0, 0, 154 0, 0, 0, 0, 0, 0, 0, 0, 155 1, 1, 1, 1, 1, 1, 1, 1, 156 1, 1, 1, 1, 1, 1, 1, 1, 157 1, 1, 2, 2, 2, 2, 2, 3, 158 3, 3, 3, 4, 4, 4, 5, 5, 159 5, 6, 6, 6, 7, 7, 8, 8, 160 9, 9, 10, 10, 11, 11, 12, 12, 161 13, 13, 14, 14, 15, 15, 16, 16, 162 17, 18, 19, 20, 21, 22, 23, 24, 163 25, 26, 27, 28, 29, 30, 31, 164 }; 165 166 RLTable ff_rl_mpeg1 = { 167 111, 168 111, 169 mpeg1_vlc, 170 mpeg1_run, 171 mpeg1_level, 172 }; 173 174 RLTable ff_rl_mpeg2 = { 175 111, 176 111, 177 mpeg2_vlc, 178 mpeg1_run, 179 mpeg1_level, 180 }; 181 182 const uint8_t ff_mpeg12_mbAddrIncrTable[36][2] = { 183 {0x1, 1}, 184 {0x3, 3}, 185 {0x2, 3}, 186 {0x3, 4}, 187 {0x2, 4}, 188 {0x3, 5}, 189 {0x2, 5}, 190 {0x7, 7}, 191 {0x6, 7}, 192 {0xb, 8}, 193 {0xa, 8}, 194 {0x9, 8}, 195 {0x8, 8}, 196 {0x7, 8}, 197 {0x6, 8}, 198 {0x17, 10}, 199 {0x16, 10}, 200 {0x15, 10}, 201 {0x14, 10}, 202 {0x13, 10}, 203 {0x12, 10}, 204 {0x23, 11}, 205 {0x22, 11}, 206 {0x21, 11}, 207 {0x20, 11}, 208 {0x1f, 11}, 209 {0x1e, 11}, 210 {0x1d, 11}, 211 {0x1c, 11}, 212 {0x1b, 11}, 213 {0x1a, 11}, 214 {0x19, 11}, 215 {0x18, 11}, 216 {0x8, 11}, /* escape */ 217 {0xf, 11}, /* stuffing */ 218 {0x0, 8}, /* end (and 15 more 0 bits should follow) */ 219 }; 220 221 const uint8_t ff_mpeg12_mbPatTable[64][2] = { 222 {0x1, 9}, 223 {0xb, 5}, 224 {0x9, 5}, 225 {0xd, 6}, 226 {0xd, 4}, 227 {0x17, 7}, 228 {0x13, 7}, 229 {0x1f, 8}, 230 {0xc, 4}, 231 {0x16, 7}, 232 {0x12, 7}, 233 {0x1e, 8}, 234 {0x13, 5}, 235 {0x1b, 8}, 236 {0x17, 8}, 237 {0x13, 8}, 238 {0xb, 4}, 239 {0x15, 7}, 240 {0x11, 7}, 241 {0x1d, 8}, 242 {0x11, 5}, 243 {0x19, 8}, 244 {0x15, 8}, 245 {0x11, 8}, 246 {0xf, 6}, 247 {0xf, 8}, 248 {0xd, 8}, 249 {0x3, 9}, 250 {0xf, 5}, 251 {0xb, 8}, 252 {0x7, 8}, 253 {0x7, 9}, 254 {0xa, 4}, 255 {0x14, 7}, 256 {0x10, 7}, 257 {0x1c, 8}, 258 {0xe, 6}, 259 {0xe, 8}, 260 {0xc, 8}, 261 {0x2, 9}, 262 {0x10, 5}, 263 {0x18, 8}, 264 {0x14, 8}, 265 {0x10, 8}, 266 {0xe, 5}, 267 {0xa, 8}, 268 {0x6, 8}, 269 {0x6, 9}, 270 {0x12, 5}, 271 {0x1a, 8}, 272 {0x16, 8}, 273 {0x12, 8}, 274 {0xd, 5}, 275 {0x9, 8}, 276 {0x5, 8}, 277 {0x5, 9}, 278 {0xc, 5}, 279 {0x8, 8}, 280 {0x4, 8}, 281 {0x4, 9}, 282 {0x7, 3}, 283 {0xa, 5}, 284 {0x8, 5}, 285 {0xc, 6} 286 }; 287 288 const uint8_t ff_mpeg12_mbMotionVectorTable[17][2] = { 289 { 0x1, 1 }, 290 { 0x1, 2 }, 291 { 0x1, 3 }, 292 { 0x1, 4 }, 293 { 0x3, 6 }, 294 { 0x5, 7 }, 295 { 0x4, 7 }, 296 { 0x3, 7 }, 297 { 0xb, 9 }, 298 { 0xa, 9 }, 299 { 0x9, 9 }, 300 { 0x11, 10 }, 301 { 0x10, 10 }, 302 { 0xf, 10 }, 303 { 0xe, 10 }, 304 { 0xd, 10 }, 305 { 0xc, 10 }, 306 }; 307 308 const AVRational ff_mpeg2_frame_rate_tab[] = { 309 { 1, 1}, 310 { 2, 1}, 311 { 3, 1}, 312 { 4, 1}, 313 { 5, 1}, 314 { 6, 1}, 315 { 8, 1}, 316 { 9, 1}, 317 { 10, 1}, 318 { 12, 1}, 319 { 15, 1}, 320 { 16, 1}, 321 { 18, 1}, 322 { 20, 1}, 323 { 24, 1}, 324 { 25, 1}, 325 { 30, 1}, 326 { 32, 1}, 327 { 36, 1}, 328 { 40, 1}, 329 { 45, 1}, 330 { 48, 1}, 331 { 50, 1}, 332 { 60, 1}, 333 { 72, 1}, 334 { 75, 1}, 335 { 80, 1}, 336 { 90, 1}, 337 { 96, 1}, 338 { 100, 1}, 339 { 120, 1}, 340 { 150, 1}, 341 { 180, 1}, 342 { 200, 1}, 343 { 240, 1}, 344 { 750, 1001}, 345 { 800, 1001}, 346 { 960, 1001}, 347 { 1000, 1001}, 348 { 1200, 1001}, 349 { 1250, 1001}, 350 { 1500, 1001}, 351 { 1600, 1001}, 352 { 1875, 1001}, 353 { 2000, 1001}, 354 { 2400, 1001}, 355 { 2500, 1001}, 356 { 3000, 1001}, 357 { 3750, 1001}, 358 { 4000, 1001}, 359 { 4800, 1001}, 360 { 5000, 1001}, 361 { 6000, 1001}, 362 { 7500, 1001}, 363 { 8000, 1001}, 364 { 10000, 1001}, 365 { 12000, 1001}, 366 { 15000, 1001}, 367 { 20000, 1001}, 368 { 24000, 1001}, 369 { 30000, 1001}, 370 { 60000, 1001}, 371 { 0, 0}, 372 }; 373 374 const float ff_mpeg1_aspect[16]={ 375 0.0000, 376 1.0000, 377 0.6735, 378 0.7031, 379 380 0.7615, 381 0.8055, 382 0.8437, 383 0.8935, 384 385 0.9157, 386 0.9815, 387 1.0255, 388 1.0695, 389 390 1.0950, 391 1.1575, 392 1.2015, 393 }; 394 395 const AVRational ff_mpeg2_aspect[16]={ 396 {0,1}, 397 {1,1}, 398 {4,3}, 399 {16,9}, 400 {221,100}, 401 {0,1}, 402 {0,1}, 403 {0,1}, 404 {0,1}, 405 {0,1}, 406 {0,1}, 407 {0,1}, 408 {0,1}, 409 {0,1}, 410 {0,1}, 411 {0,1}, 412 }; 413