1/* 2 * MPEG1/2 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 Libav. 7 * 8 * Libav 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 * Libav 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 Libav; 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 * MPEG1/2 tables. 26 */ 27 28#include "mpeg12data.h" 29 30const uint16_t ff_mpeg1_default_intra_matrix[64] = { 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 41const 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 52const uint16_t ff_mpeg12_vlc_dc_lum_code[12] = { 53 0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x1ff, 54}; 55const unsigned char ff_mpeg12_vlc_dc_lum_bits[12] = { 56 3, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9, 57}; 58 59const uint16_t ff_mpeg12_vlc_dc_chroma_code[12] = { 60 0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x3fe, 0x3ff, 61}; 62const unsigned char ff_mpeg12_vlc_dc_chroma_bits[12] = { 63 2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 64}; 65 66static 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 99static 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 132static 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 149static 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 166RLTable ff_rl_mpeg1 = { 167 111, 168 111, 169 mpeg1_vlc, 170 mpeg1_run, 171 mpeg1_level, 172}; 173 174RLTable ff_rl_mpeg2 = { 175 111, 176 111, 177 mpeg2_vlc, 178 mpeg1_run, 179 mpeg1_level, 180}; 181 182const 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 221const 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 288const 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 308const AVRational avpriv_frame_rate_tab[16] = { 309 { 0, 0}, 310 {24000, 1001}, 311 { 24, 1}, 312 { 25, 1}, 313 {30000, 1001}, 314 { 30, 1}, 315 { 50, 1}, 316 {60000, 1001}, 317 { 60, 1}, 318 // Xing's 15fps: (9) 319 { 15, 1}, 320 // libmpeg3's "Unofficial economy rates": (10-13) 321 { 5, 1}, 322 { 10, 1}, 323 { 12, 1}, 324 { 15, 1}, 325 { 0, 0}, 326}; 327 328const float ff_mpeg1_aspect[16]={ 329 0.0000, 330 1.0000, 331 0.6735, 332 0.7031, 333 334 0.7615, 335 0.8055, 336 0.8437, 337 0.8935, 338 339 0.9157, 340 0.9815, 341 1.0255, 342 1.0695, 343 344 1.0950, 345 1.1575, 346 1.2015, 347}; 348 349const AVRational ff_mpeg2_aspect[16]={ 350 {0,1}, 351 {1,1}, 352 {4,3}, 353 {16,9}, 354 {221,100}, 355 {0,1}, 356 {0,1}, 357 {0,1}, 358 {0,1}, 359 {0,1}, 360 {0,1}, 361 {0,1}, 362 {0,1}, 363 {0,1}, 364 {0,1}, 365 {0,1}, 366}; 367