1 /* 2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved 3 * 4 * This source code is subject to the terms of the BSD 2 Clause License and 5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License 6 * was not distributed with this source code in the LICENSE file, you can 7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open 8 * Media Patent License 1.0 was not distributed with this source code in the 9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent. 10 */ 11 12 #ifndef AOM_AV1_COMMON_COMMON_DATA_H_ 13 #define AOM_AV1_COMMON_COMMON_DATA_H_ 14 15 #include "av1/common/enums.h" 16 #include "aom/aom_integer.h" 17 #include "aom_dsp/aom_dsp_common.h" 18 19 #ifdef __cplusplus 20 extern "C" { 21 #endif 22 23 // Log 2 conversion lookup tables in units of mode info (4x4). 24 // The Mi_Width_Log2 table in the spec (Section 9.3. Conversion tables). 25 static const uint8_t mi_size_wide_log2[BLOCK_SIZES_ALL] = { 26 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 0, 2, 1, 3, 2, 4 27 }; 28 // The Mi_Height_Log2 table in the spec (Section 9.3. Conversion tables). 29 static const uint8_t mi_size_high_log2[BLOCK_SIZES_ALL] = { 30 0, 1, 0, 1, 2, 1, 2, 3, 2, 3, 4, 3, 4, 5, 4, 5, 2, 0, 3, 1, 4, 2 31 }; 32 33 // Width/height lookup tables in units of mode info (4x4). 34 // The Num_4x4_Blocks_Wide table in the spec (Section 9.3. Conversion tables). 35 static const uint8_t mi_size_wide[BLOCK_SIZES_ALL] = { 36 1, 1, 2, 2, 2, 4, 4, 4, 8, 8, 8, 16, 16, 16, 32, 32, 1, 4, 2, 8, 4, 16 37 }; 38 39 // The Num_4x4_Blocks_High table in the spec (Section 9.3. Conversion tables). 40 static const uint8_t mi_size_high[BLOCK_SIZES_ALL] = { 41 1, 2, 1, 2, 4, 2, 4, 8, 4, 8, 16, 8, 16, 32, 16, 32, 4, 1, 8, 2, 16, 4 42 }; 43 44 // Width/height lookup tables in units of samples. 45 // The Block_Width table in the spec (Section 9.3. Conversion tables). 46 static const uint8_t block_size_wide[BLOCK_SIZES_ALL] = { 47 4, 4, 8, 8, 8, 16, 16, 16, 32, 32, 32, 48 64, 64, 64, 128, 128, 4, 16, 8, 32, 16, 64 49 }; 50 51 // The Block_Height table in the spec (Section 9.3. Conversion tables). 52 static const uint8_t block_size_high[BLOCK_SIZES_ALL] = { 53 4, 8, 4, 8, 16, 8, 16, 32, 16, 32, 64, 54 32, 64, 128, 64, 128, 16, 4, 32, 8, 64, 16 55 }; 56 57 // Maps a block size to a context. 58 // The Size_Group table in the spec (Section 9.3. Conversion tables). 59 // AOMMIN(3, AOMMIN(mi_size_wide_log2(bsize), mi_size_high_log2(bsize))) 60 static const uint8_t size_group_lookup[BLOCK_SIZES_ALL] = { 61 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 0, 0, 1, 1, 2, 2 62 }; 63 64 static const uint8_t num_pels_log2_lookup[BLOCK_SIZES_ALL] = { 65 4, 5, 5, 6, 7, 7, 8, 9, 9, 10, 11, 11, 12, 13, 13, 14, 6, 6, 8, 8, 10, 10 66 }; 67 68 // A compressed version of the Partition_Subsize table in the spec (9.3. 69 // Conversion tables), for square block sizes only. 70 /* clang-format off */ 71 static const BLOCK_SIZE subsize_lookup[EXT_PARTITION_TYPES][SQR_BLOCK_SIZES] = { 72 { // PARTITION_NONE 73 BLOCK_4X4, BLOCK_8X8, BLOCK_16X16, 74 BLOCK_32X32, BLOCK_64X64, BLOCK_128X128 75 }, { // PARTITION_HORZ 76 BLOCK_INVALID, BLOCK_8X4, BLOCK_16X8, 77 BLOCK_32X16, BLOCK_64X32, BLOCK_128X64 78 }, { // PARTITION_VERT 79 BLOCK_INVALID, BLOCK_4X8, BLOCK_8X16, 80 BLOCK_16X32, BLOCK_32X64, BLOCK_64X128 81 }, { // PARTITION_SPLIT 82 BLOCK_INVALID, BLOCK_4X4, BLOCK_8X8, 83 BLOCK_16X16, BLOCK_32X32, BLOCK_64X64 84 }, { // PARTITION_HORZ_A 85 BLOCK_INVALID, BLOCK_8X4, BLOCK_16X8, 86 BLOCK_32X16, BLOCK_64X32, BLOCK_128X64 87 }, { // PARTITION_HORZ_B 88 BLOCK_INVALID, BLOCK_8X4, BLOCK_16X8, 89 BLOCK_32X16, BLOCK_64X32, BLOCK_128X64 90 }, { // PARTITION_VERT_A 91 BLOCK_INVALID, BLOCK_4X8, BLOCK_8X16, 92 BLOCK_16X32, BLOCK_32X64, BLOCK_64X128 93 }, { // PARTITION_VERT_B 94 BLOCK_INVALID, BLOCK_4X8, BLOCK_8X16, 95 BLOCK_16X32, BLOCK_32X64, BLOCK_64X128 96 }, { // PARTITION_HORZ_4 97 BLOCK_INVALID, BLOCK_INVALID, BLOCK_16X4, 98 BLOCK_32X8, BLOCK_64X16, BLOCK_INVALID 99 }, { // PARTITION_VERT_4 100 BLOCK_INVALID, BLOCK_INVALID, BLOCK_4X16, 101 BLOCK_8X32, BLOCK_16X64, BLOCK_INVALID 102 } 103 }; 104 105 static const TX_SIZE max_txsize_lookup[BLOCK_SIZES_ALL] = { 106 // 4X4 107 TX_4X4, 108 // 4X8, 8X4, 8X8 109 TX_4X4, TX_4X4, TX_8X8, 110 // 8X16, 16X8, 16X16 111 TX_8X8, TX_8X8, TX_16X16, 112 // 16X32, 32X16, 32X32 113 TX_16X16, TX_16X16, TX_32X32, 114 // 32X64, 64X32, 115 TX_32X32, TX_32X32, 116 // 64X64 117 TX_64X64, 118 // 64x128, 128x64, 128x128 119 TX_64X64, TX_64X64, TX_64X64, 120 // 4x16, 16x4, 8x32 121 TX_4X4, TX_4X4, TX_8X8, 122 // 32x8, 16x64 64x16 123 TX_8X8, TX_16X16, TX_16X16 124 }; 125 126 static const TX_SIZE max_txsize_rect_lookup[BLOCK_SIZES_ALL] = { 127 // 4X4 128 TX_4X4, 129 // 4X8, 8X4, 8X8 130 TX_4X8, TX_8X4, TX_8X8, 131 // 8X16, 16X8, 16X16 132 TX_8X16, TX_16X8, TX_16X16, 133 // 16X32, 32X16, 32X32 134 TX_16X32, TX_32X16, TX_32X32, 135 // 32X64, 64X32, 136 TX_32X64, TX_64X32, 137 // 64X64 138 TX_64X64, 139 // 64x128, 128x64, 128x128 140 TX_64X64, TX_64X64, TX_64X64, 141 // 4x16, 16x4, 142 TX_4X16, TX_16X4, 143 // 8x32, 32x8 144 TX_8X32, TX_32X8, 145 // 16x64, 64x16 146 TX_16X64, TX_64X16 147 }; 148 149 static const TX_TYPE_1D vtx_tab[TX_TYPES] = { 150 DCT_1D, ADST_1D, DCT_1D, ADST_1D, 151 FLIPADST_1D, DCT_1D, FLIPADST_1D, ADST_1D, FLIPADST_1D, IDTX_1D, 152 DCT_1D, IDTX_1D, ADST_1D, IDTX_1D, FLIPADST_1D, IDTX_1D, 153 }; 154 155 static const TX_TYPE_1D htx_tab[TX_TYPES] = { 156 DCT_1D, DCT_1D, ADST_1D, ADST_1D, 157 DCT_1D, FLIPADST_1D, FLIPADST_1D, FLIPADST_1D, ADST_1D, IDTX_1D, 158 IDTX_1D, DCT_1D, IDTX_1D, ADST_1D, IDTX_1D, FLIPADST_1D, 159 }; 160 161 #define TXSIZE_CAT_INVALID (-1) 162 163 /* clang-format on */ 164 165 static const TX_SIZE sub_tx_size_map[TX_SIZES_ALL] = { 166 TX_4X4, // TX_4X4 167 TX_4X4, // TX_8X8 168 TX_8X8, // TX_16X16 169 TX_16X16, // TX_32X32 170 TX_32X32, // TX_64X64 171 TX_4X4, // TX_4X8 172 TX_4X4, // TX_8X4 173 TX_8X8, // TX_8X16 174 TX_8X8, // TX_16X8 175 TX_16X16, // TX_16X32 176 TX_16X16, // TX_32X16 177 TX_32X32, // TX_32X64 178 TX_32X32, // TX_64X32 179 TX_4X8, // TX_4X16 180 TX_8X4, // TX_16X4 181 TX_8X16, // TX_8X32 182 TX_16X8, // TX_32X8 183 TX_16X32, // TX_16X64 184 TX_32X16, // TX_64X16 185 }; 186 187 static const TX_SIZE txsize_horz_map[TX_SIZES_ALL] = { 188 TX_4X4, // TX_4X4 189 TX_8X8, // TX_8X8 190 TX_16X16, // TX_16X16 191 TX_32X32, // TX_32X32 192 TX_64X64, // TX_64X64 193 TX_4X4, // TX_4X8 194 TX_8X8, // TX_8X4 195 TX_8X8, // TX_8X16 196 TX_16X16, // TX_16X8 197 TX_16X16, // TX_16X32 198 TX_32X32, // TX_32X16 199 TX_32X32, // TX_32X64 200 TX_64X64, // TX_64X32 201 TX_4X4, // TX_4X16 202 TX_16X16, // TX_16X4 203 TX_8X8, // TX_8X32 204 TX_32X32, // TX_32X8 205 TX_16X16, // TX_16X64 206 TX_64X64, // TX_64X16 207 }; 208 209 static const TX_SIZE txsize_vert_map[TX_SIZES_ALL] = { 210 TX_4X4, // TX_4X4 211 TX_8X8, // TX_8X8 212 TX_16X16, // TX_16X16 213 TX_32X32, // TX_32X32 214 TX_64X64, // TX_64X64 215 TX_8X8, // TX_4X8 216 TX_4X4, // TX_8X4 217 TX_16X16, // TX_8X16 218 TX_8X8, // TX_16X8 219 TX_32X32, // TX_16X32 220 TX_16X16, // TX_32X16 221 TX_64X64, // TX_32X64 222 TX_32X32, // TX_64X32 223 TX_16X16, // TX_4X16 224 TX_4X4, // TX_16X4 225 TX_32X32, // TX_8X32 226 TX_8X8, // TX_32X8 227 TX_64X64, // TX_16X64 228 TX_16X16, // TX_64X16 229 }; 230 231 #define TX_SIZE_W_MIN 4 232 233 // Transform block width in pixels 234 static const int tx_size_wide[TX_SIZES_ALL] = { 235 4, 8, 16, 32, 64, 4, 8, 8, 16, 16, 32, 32, 64, 4, 16, 8, 32, 16, 64, 236 }; 237 238 #define TX_SIZE_H_MIN 4 239 240 // Transform block height in pixels 241 static const int tx_size_high[TX_SIZES_ALL] = { 242 4, 8, 16, 32, 64, 8, 4, 16, 8, 32, 16, 64, 32, 16, 4, 32, 8, 64, 16, 243 }; 244 245 // Transform block width in unit 246 static const int tx_size_wide_unit[TX_SIZES_ALL] = { 247 1, 2, 4, 8, 16, 1, 2, 2, 4, 4, 8, 8, 16, 1, 4, 2, 8, 4, 16, 248 }; 249 250 // Transform block height in unit 251 static const int tx_size_high_unit[TX_SIZES_ALL] = { 252 1, 2, 4, 8, 16, 2, 1, 4, 2, 8, 4, 16, 8, 4, 1, 8, 2, 16, 4, 253 }; 254 255 // Transform block width in log2 256 static const int tx_size_wide_log2[TX_SIZES_ALL] = { 257 2, 3, 4, 5, 6, 2, 3, 3, 4, 4, 5, 5, 6, 2, 4, 3, 5, 4, 6, 258 }; 259 260 // Transform block height in log2 261 static const int tx_size_high_log2[TX_SIZES_ALL] = { 262 2, 3, 4, 5, 6, 3, 2, 4, 3, 5, 4, 6, 5, 4, 2, 5, 3, 6, 4, 263 }; 264 265 static const int tx_size_2d[TX_SIZES_ALL + 1] = { 266 16, 64, 256, 1024, 4096, 32, 32, 128, 128, 512, 267 512, 2048, 2048, 64, 64, 256, 256, 1024, 1024, 268 }; 269 270 static const BLOCK_SIZE txsize_to_bsize[TX_SIZES_ALL] = { 271 BLOCK_4X4, // TX_4X4 272 BLOCK_8X8, // TX_8X8 273 BLOCK_16X16, // TX_16X16 274 BLOCK_32X32, // TX_32X32 275 BLOCK_64X64, // TX_64X64 276 BLOCK_4X8, // TX_4X8 277 BLOCK_8X4, // TX_8X4 278 BLOCK_8X16, // TX_8X16 279 BLOCK_16X8, // TX_16X8 280 BLOCK_16X32, // TX_16X32 281 BLOCK_32X16, // TX_32X16 282 BLOCK_32X64, // TX_32X64 283 BLOCK_64X32, // TX_64X32 284 BLOCK_4X16, // TX_4X16 285 BLOCK_16X4, // TX_16X4 286 BLOCK_8X32, // TX_8X32 287 BLOCK_32X8, // TX_32X8 288 BLOCK_16X64, // TX_16X64 289 BLOCK_64X16, // TX_64X16 290 }; 291 292 static const TX_SIZE txsize_sqr_map[TX_SIZES_ALL] = { 293 TX_4X4, // TX_4X4 294 TX_8X8, // TX_8X8 295 TX_16X16, // TX_16X16 296 TX_32X32, // TX_32X32 297 TX_64X64, // TX_64X64 298 TX_4X4, // TX_4X8 299 TX_4X4, // TX_8X4 300 TX_8X8, // TX_8X16 301 TX_8X8, // TX_16X8 302 TX_16X16, // TX_16X32 303 TX_16X16, // TX_32X16 304 TX_32X32, // TX_32X64 305 TX_32X32, // TX_64X32 306 TX_4X4, // TX_4X16 307 TX_4X4, // TX_16X4 308 TX_8X8, // TX_8X32 309 TX_8X8, // TX_32X8 310 TX_16X16, // TX_16X64 311 TX_16X16, // TX_64X16 312 }; 313 314 static const TX_SIZE txsize_sqr_up_map[TX_SIZES_ALL] = { 315 TX_4X4, // TX_4X4 316 TX_8X8, // TX_8X8 317 TX_16X16, // TX_16X16 318 TX_32X32, // TX_32X32 319 TX_64X64, // TX_64X64 320 TX_8X8, // TX_4X8 321 TX_8X8, // TX_8X4 322 TX_16X16, // TX_8X16 323 TX_16X16, // TX_16X8 324 TX_32X32, // TX_16X32 325 TX_32X32, // TX_32X16 326 TX_64X64, // TX_32X64 327 TX_64X64, // TX_64X32 328 TX_16X16, // TX_4X16 329 TX_16X16, // TX_16X4 330 TX_32X32, // TX_8X32 331 TX_32X32, // TX_32X8 332 TX_64X64, // TX_16X64 333 TX_64X64, // TX_64X16 334 }; 335 336 static const int8_t txsize_log2_minus4[TX_SIZES_ALL] = { 337 0, // TX_4X4 338 2, // TX_8X8 339 4, // TX_16X16 340 6, // TX_32X32 341 6, // TX_64X64 342 1, // TX_4X8 343 1, // TX_8X4 344 3, // TX_8X16 345 3, // TX_16X8 346 5, // TX_16X32 347 5, // TX_32X16 348 6, // TX_32X64 349 6, // TX_64X32 350 2, // TX_4X16 351 2, // TX_16X4 352 4, // TX_8X32 353 4, // TX_32X8 354 5, // TX_16X64 355 5, // TX_64X16 356 }; 357 358 /* clang-format off */ 359 static const TX_SIZE tx_mode_to_biggest_tx_size[TX_MODES] = { 360 TX_4X4, // ONLY_4X4 361 TX_64X64, // TX_MODE_LARGEST 362 TX_64X64, // TX_MODE_SELECT 363 }; 364 365 // The Subsampled_Size table in the spec (Section 5.11.38. Get plane residual 366 // size function). 367 static const BLOCK_SIZE ss_size_lookup[BLOCK_SIZES_ALL][2][2] = { 368 // ss_x == 0 ss_x == 0 ss_x == 1 ss_x == 1 369 // ss_y == 0 ss_y == 1 ss_y == 0 ss_y == 1 370 { { BLOCK_4X4, BLOCK_4X4 }, { BLOCK_4X4, BLOCK_4X4 } }, 371 { { BLOCK_4X8, BLOCK_4X4 }, { BLOCK_INVALID, BLOCK_4X4 } }, 372 { { BLOCK_8X4, BLOCK_INVALID }, { BLOCK_4X4, BLOCK_4X4 } }, 373 { { BLOCK_8X8, BLOCK_8X4 }, { BLOCK_4X8, BLOCK_4X4 } }, 374 { { BLOCK_8X16, BLOCK_8X8 }, { BLOCK_INVALID, BLOCK_4X8 } }, 375 { { BLOCK_16X8, BLOCK_INVALID }, { BLOCK_8X8, BLOCK_8X4 } }, 376 { { BLOCK_16X16, BLOCK_16X8 }, { BLOCK_8X16, BLOCK_8X8 } }, 377 { { BLOCK_16X32, BLOCK_16X16 }, { BLOCK_INVALID, BLOCK_8X16 } }, 378 { { BLOCK_32X16, BLOCK_INVALID }, { BLOCK_16X16, BLOCK_16X8 } }, 379 { { BLOCK_32X32, BLOCK_32X16 }, { BLOCK_16X32, BLOCK_16X16 } }, 380 { { BLOCK_32X64, BLOCK_32X32 }, { BLOCK_INVALID, BLOCK_16X32 } }, 381 { { BLOCK_64X32, BLOCK_INVALID }, { BLOCK_32X32, BLOCK_32X16 } }, 382 { { BLOCK_64X64, BLOCK_64X32 }, { BLOCK_32X64, BLOCK_32X32 } }, 383 { { BLOCK_64X128, BLOCK_64X64 }, { BLOCK_INVALID, BLOCK_32X64 } }, 384 { { BLOCK_128X64, BLOCK_INVALID }, { BLOCK_64X64, BLOCK_64X32 } }, 385 { { BLOCK_128X128, BLOCK_128X64 }, { BLOCK_64X128, BLOCK_64X64 } }, 386 { { BLOCK_4X16, BLOCK_4X8 }, { BLOCK_INVALID, BLOCK_4X8 } }, 387 { { BLOCK_16X4, BLOCK_INVALID }, { BLOCK_8X4, BLOCK_8X4 } }, 388 { { BLOCK_8X32, BLOCK_8X16 }, { BLOCK_INVALID, BLOCK_4X16 } }, 389 { { BLOCK_32X8, BLOCK_INVALID }, { BLOCK_16X8, BLOCK_16X4 } }, 390 { { BLOCK_16X64, BLOCK_16X32 }, { BLOCK_INVALID, BLOCK_8X32 } }, 391 { { BLOCK_64X16, BLOCK_INVALID }, { BLOCK_32X16, BLOCK_32X8 } } 392 }; 393 /* clang-format on */ 394 395 // Generates 5 bit field in which each bit set to 1 represents 396 // a blocksize partition 11111 means we split 128x128, 64x64, 32x32, 16x16 397 // and 8x8. 10000 means we just split the 128x128 to 64x64 398 /* clang-format off */ 399 static const struct { 400 PARTITION_CONTEXT above; 401 PARTITION_CONTEXT left; 402 } partition_context_lookup[BLOCK_SIZES_ALL] = { 403 { 31, 31 }, // 4X4 - {0b11111, 0b11111} 404 { 31, 30 }, // 4X8 - {0b11111, 0b11110} 405 { 30, 31 }, // 8X4 - {0b11110, 0b11111} 406 { 30, 30 }, // 8X8 - {0b11110, 0b11110} 407 { 30, 28 }, // 8X16 - {0b11110, 0b11100} 408 { 28, 30 }, // 16X8 - {0b11100, 0b11110} 409 { 28, 28 }, // 16X16 - {0b11100, 0b11100} 410 { 28, 24 }, // 16X32 - {0b11100, 0b11000} 411 { 24, 28 }, // 32X16 - {0b11000, 0b11100} 412 { 24, 24 }, // 32X32 - {0b11000, 0b11000} 413 { 24, 16 }, // 32X64 - {0b11000, 0b10000} 414 { 16, 24 }, // 64X32 - {0b10000, 0b11000} 415 { 16, 16 }, // 64X64 - {0b10000, 0b10000} 416 { 16, 0 }, // 64X128- {0b10000, 0b00000} 417 { 0, 16 }, // 128X64- {0b00000, 0b10000} 418 { 0, 0 }, // 128X128-{0b00000, 0b00000} 419 { 31, 28 }, // 4X16 - {0b11111, 0b11100} 420 { 28, 31 }, // 16X4 - {0b11100, 0b11111} 421 { 30, 24 }, // 8X32 - {0b11110, 0b11000} 422 { 24, 30 }, // 32X8 - {0b11000, 0b11110} 423 { 28, 16 }, // 16X64 - {0b11100, 0b10000} 424 { 16, 28 }, // 64X16 - {0b10000, 0b11100} 425 }; 426 /* clang-format on */ 427 428 static const int intra_mode_context[INTRA_MODES] = { 429 0, 1, 2, 3, 4, 4, 4, 4, 3, 0, 1, 2, 0, 430 }; 431 432 // Note: this is also used in unit tests. So whenever one changes the table, 433 // the unit tests need to be changed accordingly. 434 static const int quant_dist_weight[4][2] = { 435 { 2, 3 }, { 2, 5 }, { 2, 7 }, { 1, MAX_FRAME_DISTANCE } 436 }; 437 static const int quant_dist_lookup_table[2][4][2] = { 438 { { 9, 7 }, { 11, 5 }, { 12, 4 }, { 13, 3 } }, 439 { { 7, 9 }, { 5, 11 }, { 4, 12 }, { 3, 13 } }, 440 }; 441 442 #ifdef __cplusplus 443 } // extern "C" 444 #endif 445 446 #endif // AOM_AV1_COMMON_COMMON_DATA_H_ 447
