1 /****************************************************************************** 2 * 3 * Copyright (C) 2015 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ***************************************************************************** 18 * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore 19 */ 20 /** 21 ******************************************************************************* 22 * @file 23 * ih264_common_tables.c 24 * 25 * @brief 26 * Contains common global tables 27 * 28 * @author 29 * Harish M 30 * 31 * @par List of Functions: 32 * 33 * @remarks 34 * None 35 * 36 ******************************************************************************* 37 */ 38 39 /*****************************************************************************/ 40 /* File Includes */ 41 /*****************************************************************************/ 42 43 /* User include files */ 44 #include "ih264_typedefs.h" 45 #include "ih264_defs.h" 46 #include "ih264_macros.h" 47 #include "ih264_structs.h" 48 #include "ih264_common_tables.h" 49 50 51 /*****************************************************************************/ 52 /* Extern global definitions */ 53 /*****************************************************************************/ 54 55 /** 56 ****************************************************************************** 57 * @brief while encoding, basing on the input configuration parameters, the 58 * the level of the bitstream is computed basing on the table below. 59 * input : table_idx 60 * output : level_idc or cpb size 61 * @remarks Table A-1 � level table limits 62 ****************************************************************************** 63 */ 64 const level_tables_t gas_ih264_lvl_tbl[16] = 65 { 66 { IH264_LEVEL_10, 1485, 99, 297, 64, 175, 64 }, 67 { IH264_LEVEL_1B, 1485, 99, 297, 128, 350, 64 }, 68 { IH264_LEVEL_11, 3000, 396, 675, 192, 500, 128 }, 69 { IH264_LEVEL_12, 6000, 396, 1782, 384, 1000, 128 }, 70 { IH264_LEVEL_13, 11880, 396, 1782, 768, 2000, 128 }, 71 { IH264_LEVEL_20, 11880, 396, 1782, 2000, 2000, 128 }, 72 { IH264_LEVEL_21, 19800, 792, 3564, 4000, 4000, 256 }, 73 { IH264_LEVEL_22, 20250, 1620, 6075, 4000, 4000, 256 }, 74 { IH264_LEVEL_30, 40500, 1620, 6075, 10000, 10000, 256 }, 75 { IH264_LEVEL_31, 108000, 3600, 13500, 14000, 14000, 512 }, 76 { IH264_LEVEL_32, 216000, 5120, 15360, 20000, 20000, 512 }, 77 { IH264_LEVEL_40, 245760, 8192, 24576, 20000, 25000, 512 }, 78 { IH264_LEVEL_41, 245760, 8192, 24576, 50000, 62500, 512 }, 79 { IH264_LEVEL_42, 522240, 8704, 26112, 50000, 62500, 512 }, 80 { IH264_LEVEL_50, 589824, 22080, 82800, 135000, 135000, 512 }, 81 { IH264_LEVEL_51, 983040, 36864, 138240, 240000, 240000, 512 }, 82 }; 83 84 85 /** 86 * Array containing supported levels 87 */ 88 const WORD32 gai4_ih264_levels[] = 89 { 90 IH264_LEVEL_10, 91 IH264_LEVEL_11, 92 IH264_LEVEL_12, 93 IH264_LEVEL_13, 94 IH264_LEVEL_20, 95 IH264_LEVEL_21, 96 IH264_LEVEL_22, 97 IH264_LEVEL_30, 98 IH264_LEVEL_31, 99 IH264_LEVEL_32, 100 IH264_LEVEL_40, 101 IH264_LEVEL_41, 102 IH264_LEVEL_42, 103 IH264_LEVEL_50, 104 IH264_LEVEL_51, 105 }; 106 107 108 /** 109 * Array giving size of max luma samples in a picture for a given level 110 */ 111 const WORD32 gai4_ih264_max_luma_pic_size[] = 112 { 113 /* Level 1 */ 114 25344, 115 /* Level 1.1 */ 116 101376, 117 /* Level 1.2 */ 118 101376, 119 /* Level 1.3 */ 120 101376, 121 /* Level 2 */ 122 101376, 123 /* Level 2.1 */ 124 202752, 125 /* Level 2.2 */ 126 414720, 127 /* Level 3 */ 128 414720, 129 /* Level 3.1 */ 130 921600, 131 /* Level 3.2 */ 132 1310720, 133 /* Level 4 */ 134 2097152, 135 /* Level 4.1 */ 136 2097152, 137 /* Level 4.2 */ 138 2228224, 139 /* Level 5 */ 140 5652480, 141 /* Level 5.1 */ 142 9437184 143 }; 144 145 146 /** Max width and height allowed for a given level */ 147 /** This is derived as SQRT(8 * gai4_ih264_max_luma_pic_size[]) */ 148 const WORD32 gai4_ih264_max_wd_ht[] = 149 { 150 /* Level 1 */ 151 451, 152 /* Level 1.1 */ 153 901, 154 /* Level 1.2 */ 155 901, 156 /* Level 1.3 */ 157 901, 158 /* Level 2 */ 159 901, 160 /* Level 2.1 */ 161 1274, 162 /* Level 2.2 */ 163 1822, 164 /* Level 3 */ 165 1822, 166 /* Level 3.1 */ 167 2716, 168 /* Level 3.2 */ 169 3239, 170 /* Level 4 */ 171 4096, 172 /* Level 4.1 */ 173 4096, 174 /* Level 4.2 */ 175 4223, 176 /* Level 5 */ 177 6725, 178 /* Level 5.1 */ 179 8689 180 }; 181 182 /** Min width and height allowed for a given level */ 183 /** This is derived as gai4_ih264_max_luma_pic_size[]/gai4_ih264_max_wd_ht[] */ 184 const WORD32 gai4_ih264_min_wd_ht[] = 185 { 186 /* Level 1 */ 187 57, 188 /* Level 1.1 */ 189 113, 190 /* Level 1.2 */ 191 113, 192 /* Level 1.3 */ 193 113, 194 /* Level 2 */ 195 113, 196 /* Level 2.1 */ 197 160, 198 /* Level 2.2 */ 199 228, 200 /* Level 3 */ 201 228, 202 /* Level 3.1 */ 203 340, 204 /* Level 3.2 */ 205 405, 206 /* Level 4 */ 207 512, 208 /* Level 4.1 */ 209 512, 210 /* Level 4.2 */ 211 528, 212 /* Level 5 */ 213 841, 214 /* Level 5.1 */ 215 1087 216 217 }; 218 219 220 /** Table 7-11 Macroblock types for I slices */ 221 intra_mbtype_info_t gas_ih264_i_mbtype_info[] = 222 { 223 /* For first entry, if transform_size_8x8_flag is 1, mode will be MBPART_I8x8 */ 224 /* This has to be taken care while accessing the table */ 225 {0, MBPART_I4x4, VERT_I16x16, 0, 0}, 226 {0, MBPART_I16x16, VERT_I16x16, 0, 0}, 227 {0, MBPART_I16x16, HORZ_I16x16, 0, 0}, 228 {0, MBPART_I16x16, DC_I16x16, 0, 0}, 229 {0, MBPART_I16x16, PLANE_I16x16, 0, 0}, 230 {0, MBPART_I16x16, VERT_I16x16, 1, 0}, 231 {0, MBPART_I16x16, HORZ_I16x16, 1, 0}, 232 {0, MBPART_I16x16, DC_I16x16, 1, 0}, 233 {0, MBPART_I16x16, PLANE_I16x16, 1, 0}, 234 {0, MBPART_I16x16, VERT_I16x16, 2, 0}, 235 {0, MBPART_I16x16, HORZ_I16x16, 2, 0}, 236 {0, MBPART_I16x16, DC_I16x16, 2, 0}, 237 {0, MBPART_I16x16, PLANE_I16x16, 2, 0}, 238 {0, MBPART_I16x16, VERT_I16x16, 0, 15}, 239 {0, MBPART_I16x16, HORZ_I16x16, 0, 15}, 240 {0, MBPART_I16x16, DC_I16x16, 0, 15}, 241 {0, MBPART_I16x16, PLANE_I16x16, 0, 15}, 242 {0, MBPART_I16x16, VERT_I16x16, 1, 15}, 243 {0, MBPART_I16x16, HORZ_I16x16, 1, 15}, 244 {0, MBPART_I16x16, DC_I16x16, 1, 15}, 245 {0, MBPART_I16x16, PLANE_I16x16, 1, 15}, 246 {0, MBPART_I16x16, VERT_I16x16, 2, 15}, 247 {0, MBPART_I16x16, HORZ_I16x16, 2, 15}, 248 {0, MBPART_I16x16, DC_I16x16, 2, 15}, 249 {0, MBPART_I16x16, PLANE_I16x16, 2, 15}, 250 {0, MBPART_IPCM, VERT_I16x16, 0, 0} 251 }; 252 253 /** Table 7-13 Macroblock types for P slices */ 254 inter_mbtype_info_t gas_ih264_p_mbtype_info[] = 255 { 256 {1, MBPART_L0, MBPART_NA, 16, 16}, 257 {2, MBPART_L0, MBPART_L0, 16, 8}, 258 {2, MBPART_L0, MBPART_L0, 8, 16}, 259 {4, MBPART_NA, MBPART_NA, 8, 8}, 260 {4, MBPART_NA, MBPART_NA, 8, 8}, 261 }; 262 263 /** Table 7-14 Macroblock types for B slices */ 264 inter_mbtype_info_t gas_ih264_b_mbtype_info[] = 265 { 266 {0, MBPART_DIRECT, MBPART_NA, 8, 8, }, 267 {1, MBPART_L0, MBPART_NA, 16, 16, }, 268 {1, MBPART_L1, MBPART_NA, 16, 16, }, 269 {1, MBPART_BI, MBPART_NA, 16, 16, }, 270 {2, MBPART_L0, MBPART_L0, 16, 8, }, 271 {2, MBPART_L0, MBPART_L0, 8, 16, }, 272 {2, MBPART_L1, MBPART_L1, 16, 8, }, 273 {2, MBPART_L1, MBPART_L1, 8, 16, }, 274 {2, MBPART_L0, MBPART_L1, 16, 8, }, 275 {2, MBPART_L0, MBPART_L1, 8, 16, }, 276 {2, MBPART_L1, MBPART_L0, 16, 8, }, 277 {2, MBPART_L1, MBPART_L0, 8, 16, }, 278 {2, MBPART_L0, MBPART_BI, 16, 8, }, 279 {2, MBPART_L0, MBPART_BI, 8, 16, }, 280 {2, MBPART_L1, MBPART_BI, 16, 8, }, 281 {2, MBPART_L1, MBPART_BI, 8, 16, }, 282 {2, MBPART_BI, MBPART_L0, 16, 8, }, 283 {2, MBPART_BI, MBPART_L0, 8, 16, }, 284 {2, MBPART_BI, MBPART_L1, 16, 8, }, 285 {2, MBPART_BI, MBPART_L1, 8, 16, }, 286 {2, MBPART_BI, MBPART_BI, 16, 8, }, 287 {2, MBPART_BI, MBPART_BI, 8, 16, }, 288 {4, MBPART_NA, MBPART_NA, 8, 8, }, 289 }; 290 291 /** Table 7-17 � Sub-macroblock types in P macroblocks */ 292 submbtype_info_t gas_ih264_p_submbtype_info[] = 293 { 294 {1, MBPART_L0, 8, 8}, 295 {2, MBPART_L0, 8, 4}, 296 {2, MBPART_L0, 4, 8}, 297 {4, MBPART_L0, 4, 4}, 298 }; 299 300 /** Table 7-18 � Sub-macroblock types in B macroblocks */ 301 submbtype_info_t gas_ih264_b_submbtype_info[] = 302 { 303 {4, MBPART_DIRECT, 4, 4}, 304 {1, MBPART_L0, 8, 8}, 305 {1, MBPART_L1, 8, 8}, 306 {1, MBPART_BI, 8, 8}, 307 {2, MBPART_L0, 8, 4}, 308 {2, MBPART_L0, 4, 8}, 309 {2, MBPART_L1, 8, 4}, 310 {2, MBPART_L1, 4, 8}, 311 {2, MBPART_BI, 8, 4}, 312 {2, MBPART_BI, 4, 8}, 313 {4, MBPART_L0, 4, 4}, 314 {4, MBPART_L1, 4, 4}, 315 {4, MBPART_BI, 4, 4}, 316 }; 317 318 319 320 321 const UWORD8 gau1_ih264_inv_scan_prog4x4[] = 322 { 323 0, 1, 4, 8, 324 5, 2, 3, 6, 325 9, 12, 13, 10, 326 7, 11, 14, 15 327 }; 328 329 const UWORD8 gau1_ih264_inv_scan_int4x4[] = 330 { 331 0, 4, 1, 8, 332 12, 5, 9, 13, 333 2, 6, 10, 14, 334 3, 7, 11, 15 335 }; 336 337 /** Inverse scan tables for individual 4x4 blocks of 8x8 transform coeffs of CAVLC */ 338 /* progressive */ 339 const UWORD8 gau1_ih264_inv_scan_prog8x8_cavlc[64] = 340 { 341 0, 9, 17, 18, 12, 40, 27, 7, 342 35, 57, 29, 30, 58, 38, 53, 47, 343 1, 2, 24, 11, 19, 48, 20, 14, 344 42, 50, 22, 37, 59, 31, 60, 55, 345 8, 3, 32, 4, 26, 41, 13, 21, 346 49, 43, 15, 44, 52, 39, 61, 62, 347 16, 10, 25, 5, 33, 34, 6, 28, 348 56, 36, 23, 51, 45, 46, 54, 63 349 }; 350 351 /* interlace */ 352 const UWORD8 gau1_ih264_inv_scan_int8x8_cavlc[64] = 353 { 354 0, 9, 2, 56, 18, 26, 34, 27, 355 35, 28, 36, 29, 45, 7, 54, 39, 356 8, 24, 25, 33, 41, 11, 42, 12, 357 43, 13, 44, 14, 53, 15, 62, 47, 358 16, 32, 40, 10, 49, 4, 50, 5, 359 51, 6, 52, 22, 61, 38, 23, 55, 360 1, 17, 48, 3, 57, 19, 58, 20, 361 59, 21, 60, 37, 30, 46, 31, 63 362 }; 363 364 365 366 /*Inverse scan tables for individual 8x8 blocks of 8x8 transform coeffs of CABAC */ 367 /* progressive */ 368 369 const UWORD8 gau1_ih264_inv_scan_prog8x8_cabac[64] = 370 { 371 0, 1, 8, 16, 9, 2, 3, 10, 372 17, 24, 32, 25, 18, 11, 4, 5, 373 12, 19, 26, 33, 40, 48, 41, 34, 374 27, 20, 13, 6, 7, 14, 21, 28, 375 35, 42, 49, 56, 57, 50, 43, 36, 376 29, 22, 15, 23, 30, 37, 44, 51, 377 58, 59, 52, 45, 38, 31, 39, 46, 378 53, 60, 61, 54, 47, 55, 62, 63 379 }; 380 381 382 /* interlace */ 383 384 const UWORD8 gau1_ih264_inv_scan_int8x8_cabac[64] = 385 { 386 0, 8, 16, 1, 9, 24, 32, 17, 387 2, 25, 40, 48, 56, 33, 10, 3, 388 18, 41, 49, 57, 26, 11, 4, 19, 389 34, 42, 50, 58, 27, 12, 5, 20, 390 35, 43, 51, 59, 28, 13, 6, 21, 391 36, 44, 52, 60, 29, 14, 22, 37, 392 45, 53, 61, 30, 7, 15, 38, 46, 393 54, 62, 23, 31, 39, 47, 55, 63 394 }; 395 396 397 const UWORD8 *const gpau1_ih264_inv_scan8x8[] = 398 { 399 gau1_ih264_inv_scan_prog8x8_cavlc, 400 gau1_ih264_inv_scan_int8x8_cavlc, 401 gau1_ih264_inv_scan_prog8x8_cabac, 402 gau1_ih264_inv_scan_int8x8_cabac 403 }; 404 405 const UWORD8 *const gpau1_ih264_inv_scan4x4[] = 406 { 407 gau1_ih264_inv_scan_prog4x4, 408 gau1_ih264_inv_scan_int4x4, 409 }; 410 411 const UWORD8 gau1_ih264_8x8_subblk_idx[] = 412 { 413 0, 1, 4, 5, 414 2, 3, 6, 7, 415 8, 9, 12, 13, 416 10, 11, 14, 15 417 }; 418 419 420 /* Table 8-15 Chroma QP offset table */ 421 const UWORD8 gau1_ih264_chroma_qp[] = 422 { 423 0, 1, 2, 3, 4, 5, 6, 7, 424 8, 9, 10, 11, 12, 13, 14, 15, 425 16, 17, 18, 19, 20, 21, 22, 23, 426 24, 25, 26, 27, 28, 29, 29, 30, 427 31, 32, 32, 33, 34, 34, 35, 35, 428 36, 36, 37, 37, 37, 38, 38, 38, 429 39, 39, 39, 39 430 }; 431 432 433 /** 434 ****************************************************************************** 435 * @brief look up table to compute neigbour availability of 4x4 blocks 436 * input : subblk idx, mb neighbor availability 437 * output : sub blk neighbor availability 438 * @remarks 439 ****************************************************************************** 440 */ 441 const UWORD8 gau1_ih264_4x4_ngbr_avbl[16][16] = 442 { 443 { 0x0, 0x1, 0xc, 0x7, 0x1, 0x1, 0xf, 0x7, 0xc, 0xf, 0xc, 0x7, 0xf, 0x7, 0xf, 0x7 }, 444 { 0x1, 0x1, 0xf, 0x7, 0x1, 0x1, 0xf, 0x7, 0xf, 0xf, 0xf, 0x7, 0xf, 0x7, 0xf, 0x7 }, 445 { 0x2, 0x1, 0xc, 0x7, 0x1, 0x1, 0xf, 0x7, 0xc, 0xf, 0xc, 0x7, 0xf, 0x7, 0xf, 0x7 }, 446 { 0x3, 0x1, 0xf, 0x7, 0x1, 0x1, 0xf, 0x7, 0xf, 0xf, 0xf, 0x7, 0xf, 0x7, 0xf, 0x7 }, 447 448 { 0xc, 0xf, 0xc, 0x7, 0xf, 0x7, 0xf, 0x7, 0xc, 0xf, 0xc, 0x7, 0xf, 0x7, 0xf, 0x7 }, 449 { 0xd, 0xf, 0xf, 0x7, 0xf, 0x7, 0xf, 0x7, 0xf, 0xf, 0xf, 0x7, 0xf, 0x7, 0xf, 0x7 }, 450 { 0xe, 0xf, 0xc, 0x7, 0xf, 0x7, 0xf, 0x7, 0xc, 0xf, 0xc, 0x7, 0xf, 0x7, 0xf, 0x7 }, 451 { 0xf, 0xf, 0xf, 0x7, 0xf, 0x7, 0xf, 0x7, 0xf, 0xf, 0xf, 0x7, 0xf, 0x7, 0xf, 0x7 }, 452 453 { 0x0, 0x1, 0xc, 0x7, 0x1, 0x9, 0xf, 0x7, 0xc, 0xf, 0xc, 0x7, 0xf, 0x7, 0xf, 0x7 }, 454 { 0x1, 0x1, 0xf, 0x7, 0x1, 0x9, 0xf, 0x7, 0xf, 0xf, 0xf, 0x7, 0xf, 0x7, 0xf, 0x7 }, 455 { 0x2, 0x1, 0xc, 0x7, 0x1, 0x9, 0xf, 0x7, 0xc, 0xf, 0xc, 0x7, 0xf, 0x7, 0xf, 0x7 }, 456 { 0x3, 0x1, 0xf, 0x7, 0x1, 0x9, 0xf, 0x7, 0xf, 0xf, 0xf, 0x7, 0xf, 0x7, 0xf, 0x7 }, 457 458 { 0xc, 0xf, 0xc, 0x7, 0xf, 0xf, 0xf, 0x7, 0xc, 0xf, 0xc, 0x7, 0xf, 0x7, 0xf, 0x7 }, 459 { 0xd, 0xf, 0xf, 0x7, 0xf, 0xf, 0xf, 0x7, 0xf, 0xf, 0xf, 0x7, 0xf, 0x7, 0xf, 0x7 }, 460 { 0xe, 0xf, 0xc, 0x7, 0xf, 0xf, 0xf, 0x7, 0xc, 0xf, 0xc, 0x7, 0xf, 0x7, 0xf, 0x7 }, 461 { 0xf, 0xf, 0xf, 0x7, 0xf, 0xf, 0xf, 0x7, 0xf, 0xf, 0xf, 0x7, 0xf, 0x7, 0xf, 0x7 }, 462 }; 463 464 465 /** 466 ****************************************************************************** 467 * @brief look up table to compute neigbour availability of 8x8 blocks 468 * input : subblk idx, mb neighbor availability 469 * output : sub blk neighbor availability 470 * @remarks 471 ****************************************************************************** 472 */ 473 const UWORD8 gau1_ih264_8x8_ngbr_avbl[16][4] = 474 { 475 { 0x0, 0x1, 0xc, 0x7 }, 476 { 0x1, 0x1, 0xf, 0x7 }, 477 { 0x2, 0x1, 0xc, 0x7 }, 478 { 0x3, 0x1, 0xf, 0x7 }, 479 480 { 0xc, 0x7, 0xc, 0x7 }, 481 { 0xd, 0x7, 0xf, 0x7 }, 482 { 0xe, 0x7, 0xc, 0x7 }, 483 { 0xf, 0x7, 0xf, 0x7 }, 484 485 { 0x0, 0x9, 0xc, 0x7 }, 486 { 0x1, 0x9, 0xf, 0x7 }, 487 { 0x2, 0x9, 0xc, 0x7 }, 488 { 0x3, 0x9, 0xf, 0x7 }, 489 490 { 0xc, 0xf, 0xc, 0x7 }, 491 { 0xd, 0xf, 0xf, 0x7 }, 492 { 0xe, 0xf, 0xc, 0x7 }, 493 { 0xf, 0xf, 0xf, 0x7 }, 494 }; 495 496 /** Table 7-3 Default intra 4x4 scaling list */ 497 const UWORD16 gau2_ih264_default_intra4x4_scaling_list[] = 498 { 499 6, 13, 13, 20, 500 20, 20, 28, 28, 501 28, 28, 32, 32, 502 32, 37, 37, 42 503 }; 504 505 /** Table 7-3 Default inter 4x4 scaling list */ 506 const UWORD16 gau2_ih264_default_inter4x4_scaling_list[] = 507 { 508 10, 14, 14, 20, 509 20, 20, 24, 24, 510 24, 24, 27, 27, 511 27, 30, 30, 34 512 }; 513 514 /* Inverse scanned output of gau2_ih264_default_intra4x4_scaling_list */ 515 const UWORD16 gau2_ih264_default_intra4x4_weight_scale[] = 516 { 517 6, 13, 20, 28, 518 13, 20, 28, 32, 519 20, 28, 32, 37, 520 28, 32, 37, 42 521 }; 522 523 /* Inverse scanned output of gau2_ih264_default_inter4x4_scaling_list */ 524 const UWORD16 gau2_ih264_default_inter4x4_weight_scale[] = 525 { 526 10, 14, 20, 24, 527 14, 20, 24, 27, 528 20, 24, 27, 30, 529 24, 27, 30, 34 530 }; 531 532 /** Table 7-4 Default intra 8x8 scaling list */ 533 const UWORD16 gau2_ih264_default_intra8x8_scaling_list[] = 534 { 535 6, 10, 10, 13, 11, 13, 16, 16, 536 16, 16, 18, 18, 18, 18, 18, 23, 537 23, 23, 23, 23, 23, 25, 25, 25, 538 25, 25, 25, 25, 27, 27, 27, 27, 539 27, 27, 27, 27, 29, 29, 29, 29, 540 29, 29, 29, 31, 31, 31, 31, 31, 541 31, 33, 33, 33, 33, 33, 36, 36, 542 36, 36, 38, 38, 38, 40, 40, 42 543 }; 544 545 /** Table 7-4 Default inter 8x8 scaling list */ 546 const UWORD16 gau2_ih264_default_inter8x8_scaling_list[] = 547 { 548 9, 13, 13, 15, 13, 15, 17, 17, 549 17, 17, 19, 19, 19, 19, 19, 21, 550 21, 21, 21, 21, 21, 22, 22, 22, 551 22, 22, 22, 22, 24, 24, 24, 24, 552 24, 24, 24, 24, 25, 25, 25, 25, 553 25, 25, 25, 27, 27, 27, 27, 27, 554 27, 28, 28, 28, 28, 28, 30, 30, 555 30, 30, 32, 32, 32, 33, 33, 35 556 }; 557 558 /* Inverse scanned output of gau2_ih264_default_intra8x8_scaling_list */ 559 const UWORD16 gau2_ih264_default_intra8x8_weight_scale[] = 560 { 561 6, 10, 13, 16, 18, 23, 25, 27, 562 10, 11, 16, 18, 23, 25, 27, 29, 563 13, 16, 18, 23, 25, 27, 29, 31, 564 16, 18, 23, 25, 27, 29, 31, 33, 565 18, 23, 25, 27, 29, 31, 33, 36, 566 23, 25, 27, 29, 31, 33, 36, 38, 567 25, 27, 29, 31, 33, 36, 38, 40, 568 27, 29, 31, 33, 36, 38, 40, 42 569 }; 570 571 /* Inverse scanned output of gau2_ih264_default_inter8x8_scaling_list */ 572 const UWORD16 gau2_ih264_default_inter8x8_weight_scale[] = 573 { 574 9, 13, 15, 17, 19, 21, 22, 24, 575 13, 13, 17, 19, 21, 22, 24, 25, 576 15, 17, 19, 21, 22, 24, 25, 27, 577 17, 19, 21, 22, 24, 25, 27, 28, 578 19, 21, 22, 24, 25, 27, 28, 30, 579 21, 22, 24, 25, 27, 28, 30, 32, 580 22, 24, 25, 27, 28, 30, 32, 33, 581 24, 25, 27, 28, 30, 32, 33, 35 582 }; 583 /* Eq 7-8 Flat scaling matrix for 4x4 */ 584 const UWORD16 gau2_ih264_flat_4x4_weight_scale[] = 585 { 586 16, 16, 16, 16, 587 16, 16, 16, 16, 588 16, 16, 16, 16, 589 16, 16, 16, 16 590 }; 591 592 /* Eq 7-9 Flat scaling matrix for 8x8 */ 593 const UWORD16 gau2_ih264_flat_8x8_weight_scale[] = 594 { 595 16, 16, 16, 16, 16, 16, 16, 16, 596 16, 16, 16, 16, 16, 16, 16, 16, 597 16, 16, 16, 16, 16, 16, 16, 16, 598 16, 16, 16, 16, 16, 16, 16, 16, 599 16, 16, 16, 16, 16, 16, 16, 16, 600 16, 16, 16, 16, 16, 16, 16, 16, 601 16, 16, 16, 16, 16, 16, 16, 16, 602 16, 16, 16, 16, 16, 16, 16, 16 603 }; 604 605 606 /** 607 ****************************************************************************** 608 * @brief Scale Table for inverse quantizing 4x4 subblock. To inverse quantize 609 * a given 4x4 quantized block, the coefficient at index location (i,j) is scaled 610 * by one of the constants in this table and right shift the result by abs (4 - 611 * floor(qp/6)), here qp is the quantization parameter used to quantize the mb. 612 * 613 * input : 16 * qp%6, index location (i,j) 614 * output : scale constant. 615 * 616 * @remarks 16 constants for each index position of the subblock and 6 for each 617 * qp%6 in the range 0-5 inclusive. 618 ****************************************************************************** 619 */ 620 621 const UWORD16 gau2_ih264_iquant_scale_matrix_4x4[96] = 622 { 623 10, 13, 10, 13, 624 13, 16, 13, 16, 625 10, 13, 10, 13, 626 13, 16, 13, 16, 627 628 11, 14, 11, 14, 629 14, 18, 14, 18, 630 11, 14, 11, 14, 631 14, 18, 14, 18, 632 633 13, 16, 13, 16, 634 16, 20, 16, 20, 635 13, 16, 13, 16, 636 16, 20, 16, 20, 637 638 14, 18, 14, 18, 639 18, 23, 18, 23, 640 14, 18, 14, 18, 641 18, 23, 18, 23, 642 643 16, 20, 16, 20, 644 20, 25, 20, 25, 645 16, 20, 16, 20, 646 20, 25, 20, 25, 647 648 18, 23, 18, 23, 649 23, 29, 23, 29, 650 18, 23, 18, 23, 651 23, 29, 23, 29, 652 653 }; 654 655 /** 656 ****************************************************************************** 657 * @brief Scale Table for inverse quantizing 8x8 subblock. To inverse quantize 658 * a given 8x8 quantized block, the coefficient at index location (i,j) is scaled 659 * by one of the constants in this table and right shift the result by abs (4 - 660 * floor(qp/6)), here qp is the quantization parameter used to quantize the mb. 661 * 662 * input : qp%6, index location (i,j) 663 * output : scale constant. 664 * 665 * @remarks 64 constants for each index position of the subblock and 6 for each 666 * qp%6 in the range 0-5 inclusive. 667 ****************************************************************************** 668 */ 669 const UWORD16 gau2_ih264_iquant_scale_matrix_8x8 [384] = 670 { 671 20, 19, 25, 19, 20, 19, 25, 19, 672 19, 18, 24, 18, 19, 18, 24, 18, 673 25, 24, 32, 24, 25, 24, 32, 24, 674 19, 18, 24, 18, 19, 18, 24, 18, 675 20, 19, 25, 19, 20, 19, 25, 19, 676 19, 18, 24, 18, 19, 18, 24, 18, 677 25, 24, 32, 24, 25, 24, 32, 24, 678 19, 18, 24, 18, 19, 18, 24, 18, 679 680 22, 21, 28, 21, 22, 21, 28, 21, 681 21, 19, 26, 19, 21, 19, 26, 19, 682 28, 26, 35, 26, 28, 26, 35, 26, 683 21, 19, 26, 19, 21, 19, 26, 19, 684 22, 21, 28, 21, 22, 21, 28, 21, 685 21, 19, 26, 19, 21, 19, 26, 19, 686 28, 26, 35, 26, 28, 26, 35, 26, 687 21, 19, 26, 19, 21, 19, 26, 19, 688 689 26, 24, 33, 24, 26, 24, 33, 24, 690 24, 23, 31, 23, 24, 23, 31, 23, 691 33, 31, 42, 31, 33, 31, 42, 31, 692 24, 23, 31, 23, 24, 23, 31, 23, 693 26, 24, 33, 24, 26, 24, 33, 24, 694 24, 23, 31, 23, 24, 23, 31, 23, 695 33, 31, 42, 31, 33, 31, 42, 31, 696 24, 23, 31, 23, 24, 23, 31, 23, 697 698 28, 26, 35, 26, 28, 26, 35, 26, 699 26, 25, 33, 25, 26, 25, 33, 25, 700 35, 33, 45, 33, 35, 33, 45, 33, 701 26, 25, 33, 25, 26, 25, 33, 25, 702 28, 26, 35, 26, 28, 26, 35, 26, 703 26, 25, 33, 25, 26, 25, 33, 25, 704 35, 33, 45, 33, 35, 33, 45, 33, 705 26, 25, 33, 25, 26, 25, 33, 25, 706 707 32, 30, 40, 30, 32, 30, 40, 30, 708 30, 28, 38, 28, 30, 28, 38, 28, 709 40, 38, 51, 38, 40, 38, 51, 38, 710 30, 28, 38, 28, 30, 28, 38, 28, 711 32, 30, 40, 30, 32, 30, 40, 30, 712 30, 28, 38, 28, 30, 28, 38, 28, 713 40, 38, 51, 38, 40, 38, 51, 38, 714 30, 28, 38, 28, 30, 28, 38, 28, 715 716 36, 34, 46, 34, 36, 34, 46, 34, 717 34, 32, 43, 32, 34, 32, 43, 32, 718 46, 43, 58, 43, 46, 43, 58, 43, 719 34, 32, 43, 32, 34, 32, 43, 32, 720 36, 34, 46, 34, 36, 34, 46, 34, 721 34, 32, 43, 32, 34, 32, 43, 32, 722 46, 43, 58, 43, 46, 43, 58, 43, 723 34, 32, 43, 32, 34, 32, 43, 32, 724 725 }; 726