common_data.h (12944B)
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_INVALID, BLOCK_16X8, 86 BLOCK_32X16, BLOCK_64X32, BLOCK_128X64 87 }, { // PARTITION_HORZ_B 88 BLOCK_INVALID, BLOCK_INVALID, BLOCK_16X8, 89 BLOCK_32X16, BLOCK_64X32, BLOCK_128X64 90 }, { // PARTITION_VERT_A 91 BLOCK_INVALID, BLOCK_INVALID, BLOCK_8X16, 92 BLOCK_16X32, BLOCK_32X64, BLOCK_64X128 93 }, { // PARTITION_VERT_B 94 BLOCK_INVALID, BLOCK_INVALID, 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 width in log2 unit 261 static const int tx_size_wide_unit_log2[TX_SIZES_ALL] = { 262 0, 1, 2, 3, 4, 0, 1, 1, 2, 2, 3, 3, 4, 0, 2, 1, 3, 2, 4, 263 }; 264 265 // Transform block height in log2 266 static const int tx_size_high_log2[TX_SIZES_ALL] = { 267 2, 3, 4, 5, 6, 3, 2, 4, 3, 5, 4, 6, 5, 4, 2, 5, 3, 6, 4, 268 }; 269 270 // Transform block height in log2 unit 271 static const int tx_size_high_unit_log2[TX_SIZES_ALL] = { 272 0, 1, 2, 3, 4, 1, 0, 2, 1, 3, 2, 4, 3, 2, 0, 3, 1, 4, 2, 273 }; 274 275 static const int tx_size_2d[TX_SIZES_ALL + 1] = { 276 16, 64, 256, 1024, 4096, 32, 32, 128, 128, 512, 277 512, 2048, 2048, 64, 64, 256, 256, 1024, 1024, 278 }; 279 280 static const BLOCK_SIZE txsize_to_bsize[TX_SIZES_ALL] = { 281 BLOCK_4X4, // TX_4X4 282 BLOCK_8X8, // TX_8X8 283 BLOCK_16X16, // TX_16X16 284 BLOCK_32X32, // TX_32X32 285 BLOCK_64X64, // TX_64X64 286 BLOCK_4X8, // TX_4X8 287 BLOCK_8X4, // TX_8X4 288 BLOCK_8X16, // TX_8X16 289 BLOCK_16X8, // TX_16X8 290 BLOCK_16X32, // TX_16X32 291 BLOCK_32X16, // TX_32X16 292 BLOCK_32X64, // TX_32X64 293 BLOCK_64X32, // TX_64X32 294 BLOCK_4X16, // TX_4X16 295 BLOCK_16X4, // TX_16X4 296 BLOCK_8X32, // TX_8X32 297 BLOCK_32X8, // TX_32X8 298 BLOCK_16X64, // TX_16X64 299 BLOCK_64X16, // TX_64X16 300 }; 301 302 static const TX_SIZE txsize_sqr_map[TX_SIZES_ALL] = { 303 TX_4X4, // TX_4X4 304 TX_8X8, // TX_8X8 305 TX_16X16, // TX_16X16 306 TX_32X32, // TX_32X32 307 TX_64X64, // TX_64X64 308 TX_4X4, // TX_4X8 309 TX_4X4, // TX_8X4 310 TX_8X8, // TX_8X16 311 TX_8X8, // TX_16X8 312 TX_16X16, // TX_16X32 313 TX_16X16, // TX_32X16 314 TX_32X32, // TX_32X64 315 TX_32X32, // TX_64X32 316 TX_4X4, // TX_4X16 317 TX_4X4, // TX_16X4 318 TX_8X8, // TX_8X32 319 TX_8X8, // TX_32X8 320 TX_16X16, // TX_16X64 321 TX_16X16, // TX_64X16 322 }; 323 324 static const TX_SIZE txsize_sqr_up_map[TX_SIZES_ALL] = { 325 TX_4X4, // TX_4X4 326 TX_8X8, // TX_8X8 327 TX_16X16, // TX_16X16 328 TX_32X32, // TX_32X32 329 TX_64X64, // TX_64X64 330 TX_8X8, // TX_4X8 331 TX_8X8, // TX_8X4 332 TX_16X16, // TX_8X16 333 TX_16X16, // TX_16X8 334 TX_32X32, // TX_16X32 335 TX_32X32, // TX_32X16 336 TX_64X64, // TX_32X64 337 TX_64X64, // TX_64X32 338 TX_16X16, // TX_4X16 339 TX_16X16, // TX_16X4 340 TX_32X32, // TX_8X32 341 TX_32X32, // TX_32X8 342 TX_64X64, // TX_16X64 343 TX_64X64, // TX_64X16 344 }; 345 346 static const int8_t txsize_log2_minus4[TX_SIZES_ALL] = { 347 0, // TX_4X4 348 2, // TX_8X8 349 4, // TX_16X16 350 6, // TX_32X32 351 6, // TX_64X64 352 1, // TX_4X8 353 1, // TX_8X4 354 3, // TX_8X16 355 3, // TX_16X8 356 5, // TX_16X32 357 5, // TX_32X16 358 6, // TX_32X64 359 6, // TX_64X32 360 2, // TX_4X16 361 2, // TX_16X4 362 4, // TX_8X32 363 4, // TX_32X8 364 5, // TX_16X64 365 5, // TX_64X16 366 }; 367 368 static const TX_SIZE tx_mode_to_biggest_tx_size[TX_MODES] = { 369 TX_4X4, // ONLY_4X4 370 TX_64X64, // TX_MODE_LARGEST 371 TX_64X64, // TX_MODE_SELECT 372 }; 373 374 // The Subsampled_Size table in the spec (Section 5.11.38. Get plane residual 375 // size function). 376 extern const BLOCK_SIZE av1_ss_size_lookup[BLOCK_SIZES_ALL][2][2]; 377 378 // Generates 5 bit field in which each bit set to 1 represents 379 // a blocksize partition 11111 means we split 128x128, 64x64, 32x32, 16x16 380 // and 8x8. 10000 means we just split the 128x128 to 64x64 381 /* clang-format off */ 382 static const struct { 383 PARTITION_CONTEXT above; 384 PARTITION_CONTEXT left; 385 } partition_context_lookup[BLOCK_SIZES_ALL] = { 386 { 31, 31 }, // 4X4 - {0b11111, 0b11111} 387 { 31, 30 }, // 4X8 - {0b11111, 0b11110} 388 { 30, 31 }, // 8X4 - {0b11110, 0b11111} 389 { 30, 30 }, // 8X8 - {0b11110, 0b11110} 390 { 30, 28 }, // 8X16 - {0b11110, 0b11100} 391 { 28, 30 }, // 16X8 - {0b11100, 0b11110} 392 { 28, 28 }, // 16X16 - {0b11100, 0b11100} 393 { 28, 24 }, // 16X32 - {0b11100, 0b11000} 394 { 24, 28 }, // 32X16 - {0b11000, 0b11100} 395 { 24, 24 }, // 32X32 - {0b11000, 0b11000} 396 { 24, 16 }, // 32X64 - {0b11000, 0b10000} 397 { 16, 24 }, // 64X32 - {0b10000, 0b11000} 398 { 16, 16 }, // 64X64 - {0b10000, 0b10000} 399 { 16, 0 }, // 64X128- {0b10000, 0b00000} 400 { 0, 16 }, // 128X64- {0b00000, 0b10000} 401 { 0, 0 }, // 128X128-{0b00000, 0b00000} 402 { 31, 28 }, // 4X16 - {0b11111, 0b11100} 403 { 28, 31 }, // 16X4 - {0b11100, 0b11111} 404 { 30, 24 }, // 8X32 - {0b11110, 0b11000} 405 { 24, 30 }, // 32X8 - {0b11000, 0b11110} 406 { 28, 16 }, // 16X64 - {0b11100, 0b10000} 407 { 16, 28 }, // 64X16 - {0b10000, 0b11100} 408 }; 409 /* clang-format on */ 410 411 static const int intra_mode_context[INTRA_MODES] = { 412 0, 1, 2, 3, 4, 4, 4, 4, 3, 0, 1, 2, 0, 413 }; 414 415 // Note: this is also used in unit tests. So whenever one changes the table, 416 // the unit tests need to be changed accordingly. 417 static const int quant_dist_weight[4][2] = { 418 { 2, 3 }, { 2, 5 }, { 2, 7 }, { 1, MAX_FRAME_DISTANCE } 419 }; 420 421 static const int quant_dist_lookup_table[4][2] = { 422 { 9, 7 }, 423 { 11, 5 }, 424 { 12, 4 }, 425 { 13, 3 }, 426 }; 427 428 #ifdef __cplusplus 429 } // extern "C" 430 #endif 431 432 #endif // AOM_AV1_COMMON_COMMON_DATA_H_