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 ************************************************************************** 23 * \file ih264d_tables.c 24 * 25 * \brief 26 * Defination of all tables used by h264 decoder 27 * 28 * \date 29 * 17/09/2004 30 * 31 * \author MA 32 ************************************************************************** 33 */ 34 #include "ih264_typedefs.h" 35 #include "ih264_macros.h" 36 #include "ih264_platform_macros.h" 37 #include "ih264d_defs.h" 38 #include "ih264d_tables.h" 39 40 const UWORD8 gau1_ih264d_qp_scale_cr[] = 41 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 42 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 43 29, 30, 31, 32, 32, 33, 34, 34, 35, 35, 36, 36, 37, 37, 37, 38, 38, 38, 44 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39 }; 45 const UWORD8 gau1_ih264d_alpha_table[] = 46 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 47 0, 0, 0, 4, 4, 5, 6, 7, 8, 9, 10, 12, 13, 15, 17, 20, 22, 25, 28, 32, 36, 48 40, 45, 50, 56, 63, 71, 80, 90, 101, 113, 127, 144, 162, 182, 203, 226, 49 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }; 50 const UWORD8 gau1_ih264d_beta_table[] = 51 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 52 0, 0, 0, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 53 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 18, 18, 18, 54 18, 18, 18, 18, 18, 18, 18, 18, 18 }; 55 56 const UWORD8 gau1_ih264d_clip_table[][4] = 57 { 58 { 0, 0, 0, 0 }, 59 { 0, 0, 0, 0 }, 60 { 0, 0, 0, 0 }, 61 { 0, 0, 0, 0 }, 62 { 0, 0, 0, 0 }, 63 { 0, 0, 0, 0 }, 64 { 0, 0, 0, 0 }, 65 { 0, 0, 0, 0 }, 66 { 0, 0, 0, 0 }, 67 { 0, 0, 0, 0 }, 68 { 0, 0, 0, 0 }, 69 { 0, 0, 0, 0 }, 70 71 { 0, 0, 0, 0 }, 72 { 0, 0, 0, 0 }, 73 { 0, 0, 0, 0 }, 74 { 0, 0, 0, 0 }, 75 { 0, 0, 0, 0 }, 76 { 0, 0, 0, 0 }, 77 { 0, 0, 0, 0 }, 78 { 0, 0, 0, 0 }, 79 { 0, 0, 0, 0 }, 80 { 0, 0, 0, 0 }, 81 { 0, 0, 0, 0 }, 82 { 0, 0, 0, 0 }, 83 { 0, 0, 0, 0 }, 84 { 0, 0, 0, 0 }, 85 { 0, 0, 0, 0 }, 86 { 0, 0, 0, 0 }, 87 { 0, 0, 0, 0 }, 88 { 0, 0, 0, 1 }, 89 { 0, 0, 0, 1 }, 90 { 0, 0, 0, 1 }, 91 { 0, 0, 0, 1 }, 92 { 0, 0, 1, 1 }, 93 { 0, 0, 1, 1 }, 94 { 0, 1, 1, 1 }, 95 { 0, 1, 1, 1 }, 96 { 0, 1, 1, 1 }, 97 { 0, 1, 1, 1 }, 98 { 0, 1, 1, 2 }, 99 { 0, 1, 1, 2 }, 100 { 0, 1, 1, 2 }, 101 { 0, 1, 1, 2 }, 102 { 0, 1, 2, 3 }, 103 { 0, 1, 2, 3 }, 104 { 0, 2, 2, 3 }, 105 { 0, 2, 2, 4 }, 106 { 0, 2, 3, 4 }, 107 { 0, 2, 3, 4 }, 108 { 0, 3, 3, 5 }, 109 { 0, 3, 4, 6 }, 110 { 0, 3, 4, 6 }, 111 { 0, 4, 5, 7 }, 112 { 0, 4, 5, 8 }, 113 { 0, 4, 6, 9 }, 114 { 0, 5, 7, 10 }, 115 { 0, 6, 8, 11 }, 116 { 0, 6, 8, 13 }, 117 { 0, 7, 10, 14 }, 118 { 0, 8, 11, 16 }, 119 { 0, 9, 12, 18 }, 120 { 0, 10, 13, 20 }, 121 { 0, 11, 15, 23 }, 122 { 0, 13, 17, 25 }, 123 124 { 0, 13, 17, 25 }, 125 { 0, 13, 17, 25 }, 126 { 0, 13, 17, 25 }, 127 { 0, 13, 17, 25 }, 128 { 0, 13, 17, 25 }, 129 { 0, 13, 17, 25 }, 130 { 0, 13, 17, 25 }, 131 { 0, 13, 17, 25 }, 132 { 0, 13, 17, 25 }, 133 { 0, 13, 17, 25 }, 134 { 0, 13, 17, 25 }, 135 { 0, 13, 17, 25 }, 136 { 0, 13, 17, 25 }, 137 { 0, 13, 17, 25 }, 138 { 0, 13, 17, 25 }, 139 { 0, 13, 17, 25 }, 140 { 0, 13, 17, 25 }, 141 { 0, 13, 17, 25 }, 142 { 0, 13, 17, 25 }, 143 { 0, 13, 17, 25 }, 144 { 0, 13, 17, 25 }, 145 { 0, 13, 17, 25 }, 146 { 0, 13, 17, 25 }, 147 { 0, 13, 17, 25 } 148 149 }; 150 const UWORD8 gau1_ih264d_clip_table_deblock[] = 151 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 152 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 153 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 154 48, 49, 50, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51 }; 155 156 /****************DEBLOCKING TABLES ENDS*******************/ 157 158 /*************************************************************/ 159 /* BS CALCULATION TABLES */ 160 /*************************************************************/ 161 UWORD32 const gau4_ih264d_packed_bs2[32] = 162 { 163 /*************************************************************/ 164 /* BS TABLES FOR NORMAL EDGES */ 165 /*************************************************************/ 166 0x00000000, 167 0x02000000, 0x00020000, 0x02020000, 0x00000200, 0x02000200, 0x00020200, 168 0x02020200, 0x00000002, 0x02000002, 0x00020002, 0x02020002, 0x00000202, 169 0x02000202, 0x00020202, 0x02020202, 170 171 /*************************************************************/ 172 /* BS TABLES FOR XTRA LEFT MB EDGES IN MBAFF CASE */ 173 /*************************************************************/ 174 0x01010101, 175 0x02010101, 0x01020101, 0x02020101, 0x01010201, 0x02010201, 0x01020201, 176 0x02020201, 0x01010102, 0x02010102, 0x01020102, 0x02020102, 0x01010202, 177 0x02010202, 0x01020202, 0x02020202, }; 178 179 UWORD16 const gau2_ih264d_4x4_v2h_reorder[16] = 180 { 0x0000, 0x0001, 0x0010, 0x0011, 0x0100, 0x0101, 0x0110, 0x0111, 0x1000, 181 0x1001, 0x1010, 0x1011, 0x1100, 0x1101, 0x1110, 0x1111 }; 182 183 /****************SCALING TABLES STARTS *****************/ 184 const WORD16 gai2_ih264d_default_intra4x4[16] = 185 { 6, 13, 13, 20, 20, 20, 28, 28, 28, 28, 32, 32, 32, 37, 37, 42 }; 186 187 const WORD16 gai2_ih264d_default_inter4x4[16] = 188 { 10, 14, 14, 20, 20, 20, 24, 24, 24, 24, 27, 27, 27, 30, 30, 34 }; 189 190 const WORD16 gai2_ih264d_default_intra8x8[64] = 191 { 6, 10, 10, 13, 11, 13, 16, 16, 16, 16, 18, 18, 18, 18, 18, 23, 23, 23, 23, 192 23, 23, 25, 25, 25, 25, 25, 25, 25, 27, 27, 27, 27, 27, 27, 27, 27, 29, 193 29, 29, 29, 29, 29, 29, 31, 31, 31, 31, 31, 31, 33, 33, 33, 33, 33, 36, 194 36, 36, 36, 38, 38, 38, 40, 40, 42 }; 195 196 const WORD16 gai2_ih264d_default_inter8x8[64] = 197 { 9, 13, 13, 15, 13, 15, 17, 17, 17, 17, 19, 19, 19, 19, 19, 21, 21, 21, 21, 198 21, 21, 22, 22, 22, 22, 22, 22, 22, 24, 24, 24, 24, 24, 24, 24, 24, 25, 199 25, 25, 25, 25, 25, 25, 27, 27, 27, 27, 27, 27, 28, 28, 28, 28, 28, 30, 200 30, 30, 30, 32, 32, 32, 33, 33, 35 }; 201 202 const WORD16 gai2_ih264d_flat_4x4[16] = 203 { 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16 }; 204 205 const WORD16 gai2_ih264d_flat_8x8[64] = 206 { 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 207 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 208 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 209 16, 16, 16, 16, 16, 16, 16, 16, 16, 16 }; 210 211 /****************SCALING TABLES ENDS *****************/ 212 213 /*Inverse scan tables for individual 4x4 blocks of 8x8 transform coeffs of CAVLC */ 214 215 /* progressive */ 216 217 const UWORD8 gau1_ih264d_inv_scan_prog8x8_cavlc[4][16] = 218 { 219 { 0, 9, 17, 18, 12, 40, 27, 7, 35, 57, 29, 30, 58, 38, 53, 47 }, /* for First subblock */ 220 { 1, 2, 24, 11, 19, 48, 20, 14, 42, 50, 22, 37, 59, 31, 60, 55 }, /* for second subblock */ 221 { 8, 3, 32, 4, 26, 41, 13, 21, 49, 43, 15, 44, 52, 39, 61, 62 }, /* for third subblock */ 222 { 16, 10, 25, 5, 33, 34, 6, 28, 56, 36, 23, 51, 45, 46, 54, 63 } /* for fourth subblock */ 223 }; 224 225 const UWORD8 gau1_ih264d_inv_scan_int8x8_cavlc[4][16] = 226 { 227 { 0, 9, 2, 56, 18, 26, 34, 27, 35, 28, 36, 29, 45, 7, 54, 39 }, /* for First subblock */ 228 { 8, 24, 25, 33, 41, 11, 42, 12, 43, 13, 44, 14, 53, 15, 62, 47 }, /* for second subblock */ 229 { 16, 32, 40, 10, 49, 4, 50, 5, 51, 6, 52, 22, 61, 38, 23, 55 }, /* for third subblock */ 230 { 1, 17, 48, 3, 57, 19, 58, 20, 59, 21, 60, 37, 30, 46, 31, 63 } /* for fourth subblock */ 231 }; 232 233 /*Inverse scan tables for individual 8x8 blocks of 8x8 transform coeffs of CABAC */ 234 /* progressive */ 235 236 const UWORD8 gau1_ih264d_inv_scan_prog8x8_cabac[64] = 237 { 0, 1, 8, 16, 9, 2, 3, 10, 17, 24, 32, 25, 18, 11, 4, 5, 12, 19, 26, 33, 238 40, 48, 41, 34, 27, 20, 13, 6, 7, 14, 21, 28, 35, 42, 49, 56, 57, 50, 43, 239 36, 29, 22, 15, 23, 30, 37, 44, 51, 58, 59, 52, 45, 38, 31, 39, 46, 53, 240 60, 61, 54, 47, 55, 62, 63 }; 241 242 /* interlace */ 243 244 const UWORD8 gau1_ih264d_inv_scan_int8x8_cabac[64] = 245 { 0, 8, 16, 1, 9, 24, 32, 17, 2, 25, 40, 48, 56, 33, 10, 3, 18, 41, 49, 57, 246 26, 11, 4, 19, 34, 42, 50, 58, 27, 12, 5, 20, 35, 43, 51, 59, 28, 13, 6, 247 21, 36, 44, 52, 60, 29, 14, 22, 37, 45, 53, 61, 30, 7, 15, 38, 46, 54, 62, 248 23, 31, 39, 47, 55, 63 }; 249 250 /****************PARSING TABLES *******************/ 251 UWORD8 const gau1_ih264d_subblk_offset[16] = 252 { 8, 9, 12, 13, 10, 11, 14, 15, 16, 17, 20, 21, 18, 19, 22, 23 }; 253 254 const UWORD8 gau1_ih264d_cbp_tab[6] = 255 { 0, 16, 32, 15, 31, 47 }; 256 257 /** gives CBP value from codeword number, both for intra and inter */ 258 259 const UWORD8 gau1_ih264d_cbp_table[48][2] = 260 { 261 { 47, 0 }, 262 { 31, 16 }, 263 { 15, 1 }, 264 { 0, 2 }, 265 { 23, 4 }, 266 { 27, 8 }, 267 { 29, 32 }, 268 { 30, 3 }, 269 { 7, 5 }, 270 { 11, 10 }, 271 { 13, 12 }, 272 { 14, 15 }, 273 { 39, 47 }, 274 { 43, 7 }, 275 { 45, 11 }, 276 { 46, 13 }, 277 { 16, 14 }, 278 { 3, 6 }, 279 { 5, 9 }, 280 { 10, 31 }, 281 { 12, 35 }, 282 { 19, 37 }, 283 { 21, 42 }, 284 { 26, 44 }, 285 { 28, 33 }, 286 { 35, 34 }, 287 { 37, 36 }, 288 { 42, 40 }, 289 { 44, 39 }, 290 { 1, 43 }, 291 { 2, 45 }, 292 { 4, 46 }, 293 { 8, 17 }, 294 { 17, 18 }, 295 { 18, 20 }, 296 { 20, 24 }, 297 { 24, 19 }, 298 { 6, 21 }, 299 { 9, 26 }, 300 { 22, 28 }, 301 { 25, 23 }, 302 { 32, 27 }, 303 { 33, 29 }, 304 { 34, 30 }, 305 { 36, 22 }, 306 { 40, 25 }, 307 { 38, 38 }, 308 { 41, 41 }, }; 309 /****************PARSING TABLES ENDS *******************/ 310 311 /****************DECODE SLICE TABLES STARTS *******************/ 312 /*Definition of Tables needed by functions of this file */ 313 const UWORD8 gau1_ih264d_inv_scan[16] = 314 { 0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15 }; 315 316 const UWORD8 gau1_ih264d_inv_scan_fld[16] = 317 { 0, 4, 1, 8, 12, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15 }; 318 319 const UWORD8 gau1_ih264d_dequant_matrix[6][16] = 320 { 321 { 10, 13, 10, 13, 13, 16, 13, 16, 10, 13, 10 ,13, 13, 16, 13, 16}, 322 { 11, 14, 11, 14, 14, 18, 14, 18, 11, 14, 11 ,14, 14, 18, 14, 18}, 323 { 13, 16, 13, 16, 16, 20, 16, 20, 13, 16, 13 ,16, 16, 20, 16, 20}, 324 { 14, 18, 14, 18, 18, 23, 18, 23, 14, 18, 14, 18, 18, 23, 18, 23}, 325 { 16, 20, 16, 20, 20, 25, 20, 25, 16, 20, 16, 20, 20, 25, 20, 25}, 326 { 18, 23, 18, 23, 23, 29, 23, 29, 18, 23, 18, 23, 23, 29, 23, 29} 327 }; 328 329 const UWORD16 gau2_ih264_iquant_scale_4x4[6][16] = 330 { 331 { 10, 13, 10, 13, 13, 16, 13, 16, 10, 13, 10, 13, 13, 16, 13, 16 }, 332 { 11, 14, 11, 14, 14, 18, 14, 18, 11, 14, 11, 14, 14, 18, 14, 18 }, 333 { 13, 16, 13, 16, 16, 20, 16, 20, 13, 16, 13, 16, 16, 20, 16, 20 }, 334 { 14, 18, 14, 18, 18, 23, 18, 23, 14, 18, 14, 18, 18, 23, 18, 23 }, 335 { 16, 20, 16, 20, 20, 25, 20, 25, 16, 20, 16, 20, 20, 25, 20, 25 }, 336 { 18, 23, 18, 23, 23, 29, 23, 29, 18, 23, 18, 23, 23, 29, 23, 29 } }; 337 338 const UWORD8 gau1_ih264d_dequant8x8_zigzag_cavlc[4][6][16] = 339 { 340 { 341 { 20, 18, 24, 32, 19, 19, 18, 19, 19, 18, 18, 24, 342 24, 25, 24, 18 }, /* for First subblock */ 343 { 22, 19, 26, 35, 21, 21, 19, 21, 21, 19, 19, 26, 344 26, 28, 26, 19 }, 345 { 26, 23, 31, 42, 24, 24, 23, 24, 24, 23, 23, 31, 346 31, 33, 31, 23 }, 347 { 28, 25, 33, 45, 26, 26, 25, 26, 26, 25, 25, 33, 348 33, 35, 33, 25 }, 349 { 32, 28, 38, 51, 30, 30, 28, 30, 30, 28, 28, 38, 350 38, 40, 38, 28 }, 351 { 36, 32, 43, 58, 34, 34, 32, 34, 34, 32, 32, 43, 352 43, 46, 43, 32 } }, 353 { 354 { 19, 25, 19, 18, 24, 25, 25, 24, 24, 32, 32, 19, 355 18, 18, 19, 24 }, /* for second subblock */ 356 { 21, 28, 21, 19, 26, 28, 28, 26, 26, 35, 35, 357 21, 19, 19, 21, 26 }, 358 { 24, 33, 24, 23, 31, 33, 33, 31, 31, 42, 42, 359 24, 23, 23, 24, 31 }, 360 { 26, 35, 26, 25, 33, 35, 35, 33, 33, 45, 45, 361 26, 25, 25, 26, 33 }, 362 { 30, 40, 30, 28, 38, 40, 40, 38, 38, 51, 51, 363 30, 28, 28, 30, 38 }, 364 { 34, 46, 34, 32, 43, 46, 46, 43, 43, 58, 58, 365 34, 32, 32, 34, 43 } }, 366 { 367 { 19, 19, 20, 20, 24, 18, 18, 24, 24, 18, 18, 19, 368 25, 19, 18, 24 }, /* for third subblock */ 369 { 21, 21, 22, 22, 26, 19, 19, 26, 26, 19, 19, 370 21, 28, 21, 19, 26 }, 371 { 24, 24, 26, 26, 31, 23, 23, 31, 31, 23, 23, 372 24, 33, 24, 23, 31 }, 373 { 26, 26, 28, 28, 33, 25, 25, 33, 33, 25, 25, 374 26, 35, 26, 25, 33 }, 375 { 30, 30, 32, 32, 38, 28, 28, 38, 38, 28, 28, 376 30, 40, 30, 28, 38 }, 377 { 34, 34, 36, 36, 43, 32, 32, 43, 43, 32, 32, 378 34, 46, 34, 32, 43 } }, 379 { 380 { 25, 24, 18, 19, 19, 25, 25, 19, 19, 20, 24, 24, 381 18, 24, 32, 18 }, /* for fourth subblock */ 382 { 28, 26, 19, 21, 21, 28, 28, 21, 21, 22, 26, 383 26, 19, 26, 35, 19 }, 384 { 33, 31, 23, 24, 24, 33, 33, 24, 24, 26, 31, 385 31, 23, 31, 42, 23 }, 386 { 35, 33, 25, 26, 26, 35, 35, 26, 26, 28, 33, 387 33, 25, 33, 45, 25 }, 388 { 40, 38, 28, 30, 30, 40, 40, 30, 30, 32, 38, 389 38, 28, 38, 51, 28 }, 390 { 46, 43, 32, 34, 34, 46, 46, 34, 34, 36, 43, 391 43, 32, 43, 58, 32 } } 392 393 }; 394 395 const UWORD16 gau1_ih264d_dequant8x8_cavlc[6][64] = 396 { 397 { 20, 19, 25, 19, 20, 19, 25, 19, 19, 18, 24, 18, 19, 398 18, 24, 18, 25, 24, 32, 24, 25, 24, 32, 24, 19, 18, 399 24, 18, 19, 18, 24, 18, 20, 19, 25, 19, 20, 19, 25, 400 19, 19, 18, 24, 18, 19, 18, 24, 18, 25, 24, 32, 24, 401 25, 24, 32, 24, 19, 18, 24, 18, 19, 18, 24, 18 }, 402 { 22, 21, 28, 21, 22, 21, 28, 21, 21, 19, 26, 19, 21, 403 19, 26, 19, 28, 26, 35, 26, 28, 26, 35, 26, 21, 19, 404 26, 19, 21, 19, 26, 19, 22, 21, 28, 21, 22, 21, 28, 405 21, 21, 19, 26, 19, 21, 19, 26, 19, 28, 26, 35, 26, 406 28, 26, 35, 26, 21, 19, 26, 19, 21, 19, 26, 19 }, 407 { 26, 24, 33, 24, 26, 24, 33, 24, 24, 23, 31, 23, 24, 408 23, 31, 23, 33, 31, 42, 31, 33, 31, 42, 31, 24, 23, 409 31, 23, 24, 23, 31, 23, 26, 24, 33, 24, 26, 24, 33, 410 24, 24, 23, 31, 23, 24, 23, 31, 23, 33, 31, 42, 31, 411 33, 31, 42, 31, 24, 23, 31, 23, 24, 23, 31, 23 }, 412 { 28, 26, 35, 26, 28, 26, 35, 26, 26, 25, 33, 25, 26, 413 25, 33, 25, 35, 33, 45, 33, 35, 33, 45, 33, 26, 25, 414 33, 25, 26, 25, 33, 25, 28, 26, 35, 26, 28, 26, 35, 415 26, 26, 25, 33, 25, 26, 25, 33, 25, 35, 33, 45, 33, 416 35, 33, 45, 33, 26, 25, 33, 25, 26, 25, 33, 25 }, 417 { 32, 30, 40, 30, 32, 30, 40, 30, 30, 28, 38, 28, 30, 418 28, 38, 28, 40, 38, 51, 38, 40, 38, 51, 38, 30, 28, 419 38, 28, 30, 28, 38, 28, 32, 30, 40, 30, 32, 30, 40, 420 30, 30, 28, 38, 28, 30, 28, 38, 28, 40, 38, 51, 38, 421 40, 38, 51, 38, 30, 28, 38, 28, 30, 28, 38, 28 }, 422 { 36, 34, 46, 34, 36, 34, 46, 34, 34, 32, 43, 32, 34, 423 32, 43, 32, 46, 43, 58, 43, 46, 43, 58, 43, 34, 32, 424 43, 32, 34, 32, 43, 32, 36, 34, 46, 34, 36, 34, 46, 425 34, 34, 32, 43, 32, 34, 32, 43, 32, 46, 43, 58, 43, 426 46, 43, 58, 43, 34, 32, 43, 32, 34, 32, 43, 32 }, }; 427 428 /****************DECODE SLICE TABLES ENDS *******************/ 429 430 /****************MOTION VECTOR DECODING TABLES STARTS *******************/ 431 432 /** 433 ************************************************************************** 434 * \brief This array is used to evaluate the condition when only one of 435 * predictor subMbs has a reference frame equal to that of E subMb. 436 ************************************************************************** 437 */ 438 439 const WORD8 gau1_ih264d_mv_pred_condition[] = 440 { -1, 0, 1, -1, 2, -1, -1, -1 }; 441 442 /** Number of subMbs for the 8x8 prediction mode */ 443 const UWORD8 gau1_ih264d_num_submb_part[] = 444 { 1, 2, 2, 4 }; 445 446 /** Width of the 8x8 prediction mode in terms of subMbs */ 447 const UWORD8 gau1_ih264d_submb_partw[] = 448 { 2, 2, 1, 1 }; 449 450 /** Height of the 8x8 prediction mode in terms of subMbs */ 451 const UWORD8 gau1_ih264d_submb_parth[] = 452 { 2, 1, 2, 1 }; 453 454 /** Number of MB partitions for the MB prediction mode */ 455 const UWORD8 gau1_ih264d_num_mb_part[] = 456 { 1, 2, 2, 4 }; 457 458 /** Width of the MB partition in terms of subMbs */ 459 const UWORD8 gau1_ih264d_mb_partw[] = 460 { 4, 4, 2, 2, 2 }; 461 462 /** Height of the MB partition in terms of subMbs */ 463 const UWORD8 gau1_ih264d_mb_parth[] = 464 { 4, 2, 4, 2, 2 }; 465 466 /** MB partition information is packed into a UWORD32 {0,number,width,height} */ 467 const UWORD32 gau4_ih264d_submb_part[] = 468 { 0x00010202, 0x00020201, 0x00020102, 0x00040101 }; 469 470 const UWORD8 gau1_ih264d_submb_indx_mod[] = 471 { 0, 0, /* 16x16 */ 472 0, 8, /* 16x8 */ 473 0, 2, /* 8x16 */ 474 0, 0, /* 8x8 */ 475 0, 4, /* 8x4 */ 476 0, 1, /* 4x8 */ 477 0, 1, 3, 1 /* 4x4 */ 478 }; 479 480 /** This table is used to assign CBPs to Inter MBs. */ 481 const UWORD8 gau1_ih264d_cbp_inter[] = 482 { 0, 16, 1, 2, 4, 8, 32, 3, 5, 10, 12, 15, 47, 7, 11, 13, 14, 6, 9, 31, 35, 483 37, 42, 44, 33, 34, 36, 40, 39, 43, 45, 46, 17, 18, 20, 24, 19, 21, 26, 484 28, 23, 27, 29, 30, 22, 25, 38, 41 }; 485 486 /** Motion comp modes for P followed by B, 487 0 to 4 : P Mbs 488 5 to 27 : B Mbs 489 28 to 30 : DIRECT */ 490 const UWORD8 gau1_ih264d_mb_mc_mode[] = 491 { 492 PRED_16x16, 493 PRED_16x8, PRED_8x16, PRED_8x8, PRED_8x8R0, 494 PRED_16x16, 495 PRED_16x16, PRED_16x16, PRED_16x16, PRED_16x8, PRED_8x16, 496 PRED_16x8, 497 PRED_8x16, PRED_16x8, PRED_8x16, PRED_16x8, PRED_8x16, 498 PRED_16x8, 499 PRED_8x16, PRED_16x8, PRED_8x16, PRED_16x8, PRED_8x16, 500 PRED_16x8, 501 PRED_8x16, PRED_16x8, PRED_8x16, PRED_8x8, 502 /* Self defined modes for B_SKIP and DIRECT16x16 */ 503 PRED_8x8, 504 PRED_8x8, PRED_8x8 }; 505 506 const UWORD8 gau1_ih264d_submb_mc_mode[] = 507 { SUBMB_8x8, SUBMB_8x4, SUBMB_4x8, SUBMB_4x4, 508 SUBMB_8x8, 509 SUBMB_8x8, SUBMB_8x8, SUBMB_8x8, SUBMB_8x4, SUBMB_4x8, 510 SUBMB_8x4, 511 SUBMB_4x8, SUBMB_8x4, SUBMB_4x8, SUBMB_4x4, SUBMB_4x4, SUBMB_4x4, 512 /* Self defined modes B DIRECT8x8 */ 513 SUBMB_4x4, 514 SUBMB_4x4, SUBMB_4x4 }; 515 516 /** Sub MB pred modes for B slice */ 517 const UWORD8 gau1_ih264d_submb_pred_modes[] = 518 { 519 PRED_L0, 520 PRED_L0, PRED_L0, PRED_L0, 521 B_DIRECT, 522 PRED_L0, PRED_L1, BI_PRED, PRED_L0, PRED_L0, PRED_L1, 523 PRED_L1, 524 BI_PRED, BI_PRED, PRED_L0, PRED_L1, BI_PRED, 525 /* Self defined modes for B DIRECT8x8 */ 526 BI_PRED, 527 PRED_L0, PRED_L1, }; 528 529 /** MB pred modes for P and B slice */ 530 const WORD8 gau1_ih264d_mb_pred_modes[2][32] = 531 { 532 { PRED_L0, PRED_L0, PRED_L0, PRED_INVALID, PRED_INVALID, 533 B_DIRECT, 534 PRED_L0, PRED_L1, BI_PRED, PRED_L0, PRED_L0, PRED_L1, PRED_L1, 535 PRED_L0, 536 PRED_L0, PRED_L1, PRED_L1, PRED_L0, PRED_L0, PRED_L1, PRED_L1, 537 BI_PRED, 538 BI_PRED, BI_PRED, BI_PRED, BI_PRED, BI_PRED, PRED_INVALID, 539 /* Self defined modes for B_SKIP and DIRECT16x16 */ 540 BI_PRED, 541 PRED_L0, PRED_L1, }, 542 { PRED_INVALID, PRED_L0, PRED_L0, PRED_INVALID, PRED_INVALID, 543 PRED_INVALID, 544 PRED_INVALID, PRED_INVALID, PRED_INVALID, PRED_L0, PRED_L0, 545 PRED_L1, 546 PRED_L1, PRED_L1, PRED_L1, PRED_L0, PRED_L0, BI_PRED, BI_PRED, 547 BI_PRED, 548 BI_PRED, PRED_L0, PRED_L0, PRED_L1, PRED_L1, BI_PRED, BI_PRED, 549 PRED_INVALID, 550 /* Self defined modes for B_SKIP and DIRECT16x16 */ 551 PRED_INVALID, 552 PRED_INVALID, PRED_INVALID } }; 553 554 /****************MOTION VECTOR DECODING TABLES ENDS *******************/ 555 556 /****************CAVLC DECODING TABLES STARTS *******************/ 557 558 /*****************************************************************************/ 559 /* 6 Bit table look for total zeros (totalcoeff = 2to10) as in Table 9.7 */ 560 /* of H264 standard. In each table entry, lower 4 bits represent total zeros */ 561 /* decoded while upper 4 bit represent the bits to be flushed from ps_bitstrm */ 562 /*****************************************************************************/ 563 const UWORD8 gau1_ih264d_table_total_zero_2to10[9][64] = 564 { 565 /* For total coeff = 2 */ 566 { 0x6E, 0x6D, 0x6C, 0x6B, 0x5A, 0x5A, 0x59, 0x59, 0x48, 0x48, 0x48, 567 0x48, 0x47, 0x47, 0x47, 0x47, 0x46, 0x46, 0x46, 0x46, 0x45, 0x45, 568 0x45, 0x45, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x33, 569 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x32, 0x32, 0x32, 0x32, 570 0x32, 0x32, 0x32, 0x32, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 571 0x31, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, }, 572 573 /* For total coeff = 3 */ 574 { 0x6D, 0x6B, 0x5C, 0x5C, 0x5A, 0x5A, 0x59, 0x59, 0x48, 0x48, 0x48, 575 0x48, 0x45, 0x45, 0x45, 0x45, 0x44, 0x44, 0x44, 0x44, 0x40, 0x40, 576 0x40, 0x40, 0x37, 0x37, 0x37, 0x37, 0x37, 0x37, 0x37, 0x37, 0x36, 577 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x33, 0x33, 0x33, 0x33, 578 0x33, 0x33, 0x33, 0x33, 0x32, 0x32, 0x32, 0x32, 0x32, 0x32, 0x32, 579 0x32, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, }, 580 581 /* For total coeff = 4 */ 582 { 0x5C, 0x5C, 0x5B, 0x5B, 0x5A, 0x5A, 0x50, 0x50, 0x49, 0x49, 0x49, 583 0x49, 0x47, 0x47, 0x47, 0x47, 0x43, 0x43, 0x43, 0x43, 0x42, 0x42, 584 0x42, 0x42, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x36, 585 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x35, 0x35, 0x35, 0x35, 586 0x35, 0x35, 0x35, 0x35, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 587 0x34, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, }, 588 589 /* For total coeff = 5 */ 590 { 0x5B, 0x5B, 0x59, 0x59, 0x4A, 0x4A, 0x4A, 0x4A, 0x48, 0x48, 0x48, 591 0x48, 0x42, 0x42, 0x42, 0x42, 0x41, 0x41, 0x41, 0x41, 0x40, 0x40, 592 0x40, 0x40, 0x37, 0x37, 0x37, 0x37, 0x37, 0x37, 0x37, 0x37, 0x36, 593 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x35, 0x35, 0x35, 0x35, 594 0x35, 0x35, 0x35, 0x35, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 595 0x34, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, }, 596 597 /* For total coeff = 6 */ 598 { 0x6A, 0x60, 0x51, 0x51, 0x48, 0x48, 0x48, 0x48, 0x39, 0x39, 0x39, 599 0x39, 0x39, 0x39, 0x39, 0x39, 0x37, 0x37, 0x37, 0x37, 0x37, 0x37, 600 0x37, 0x37, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x35, 601 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x34, 0x34, 0x34, 0x34, 602 0x34, 0x34, 0x34, 0x34, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 603 0x33, 0x32, 0x32, 0x32, 0x32, 0x32, 0x32, 0x32, 0x32, }, 604 605 /* For total coeff = 7 */ 606 { 0x69, 0x60, 0x51, 0x51, 0x47, 0x47, 0x47, 0x47, 0x38, 0x38, 0x38, 607 0x38, 0x38, 0x38, 0x38, 0x38, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 608 0x36, 0x36, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x33, 609 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x32, 0x32, 0x32, 0x32, 610 0x32, 0x32, 0x32, 0x32, 0x25, 0x25, 0x25, 0x25, 0x25, 0x25, 0x25, 611 0x25, 0x25, 0x25, 0x25, 0x25, 0x25, 0x25, 0x25, 0x25, }, 612 613 /* For total coeff = 8 */ 614 { 0x68, 0x60, 0x52, 0x52, 0x41, 0x41, 0x41, 0x41, 0x37, 0x37, 0x37, 615 0x37, 0x37, 0x37, 0x37, 0x37, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 616 0x36, 0x36, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x25, 617 0x25, 0x25, 0x25, 0x25, 0x25, 0x25, 0x25, 0x25, 0x25, 0x25, 0x25, 618 0x25, 0x25, 0x25, 0x25, 0x24, 0x24, 0x24, 0x24, 0x24, 0x24, 0x24, 619 0x24, 0x24, 0x24, 0x24, 0x24, 0x24, 0x24, 0x24, 0x24, }, 620 621 /* For total coeff = 9 */ 622 { 0x61, 0x60, 0x57, 0x57, 0x42, 0x42, 0x42, 0x42, 0x35, 0x35, 0x35, 623 0x35, 0x35, 0x35, 0x35, 0x35, 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 624 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x24, 625 0x24, 0x24, 0x24, 0x24, 0x24, 0x24, 0x24, 0x24, 0x24, 0x24, 0x24, 626 0x24, 0x24, 0x24, 0x24, 0x23, 0x23, 0x23, 0x23, 0x23, 0x23, 0x23, 627 0x23, 0x23, 0x23, 0x23, 0x23, 0x23, 0x23, 0x23, 0x23, }, 628 629 /* For total coeff = 10 */ 630 { 0x51, 0x51, 0x50, 0x50, 0x46, 0x46, 0x46, 0x46, 0x32, 0x32, 0x32, 631 0x32, 0x32, 0x32, 0x32, 0x32, 0x25, 0x25, 0x25, 0x25, 0x25, 0x25, 632 0x25, 0x25, 0x25, 0x25, 0x25, 0x25, 0x25, 0x25, 0x25, 0x25, 0x24, 633 0x24, 0x24, 0x24, 0x24, 0x24, 0x24, 0x24, 0x24, 0x24, 0x24, 0x24, 634 0x24, 0x24, 0x24, 0x24, 0x23, 0x23, 0x23, 0x23, 0x23, 0x23, 0x23, 635 0x23, 0x23, 0x23, 0x23, 0x23, 0x23, 0x23, 0x23, 0x23, } 636 637 }; 638 639 /*****************************************************************************/ 640 /* 4 Bit table look for total zeros (totalcoeff = 11to15) as in Table 9.7 */ 641 /* of H264 standard. In each table entry, lower 4 bits represent total zeros */ 642 /* decoded while upper 4 bit represent the bits to be flushed from ps_bitstrm */ 643 /*****************************************************************************/ 644 const UWORD8 gau1_ih264d_table_total_zero_11to15[5][16] = 645 { 646 /* For total coeff = 11 */ 647 { 0x40, 0x41, 0x32, 0x32, 0x33, 0x33, 0x35, 0x35, 0x14, 0x14, 0x14, 648 0x14, 0x14, 0x14, 0x14, 0x14, }, 649 650 /* For total coeff = 12 */ 651 { 0x40, 0x41, 0x34, 0x34, 0x22, 0x22, 0x22, 0x22, 0x13, 0x13, 0x13, 652 0x13, 0x13, 0x13, 0x13, 0x13, }, 653 654 /* For total coeff = 13 */ 655 { 0x30, 0x30, 0x31, 0x31, 0x23, 0x23, 0x23, 0x23, 0x12, 0x12, 0x12, 656 0x12, 0x12, 0x12, 0x12, 0x12, }, 657 658 /* For total coeff = 14 */ 659 { 0x20, 0x20, 0x20, 0x20, 0x21, 0x21, 0x21, 0x21, 0x12, 0x12, 0x12, 660 0x12, 0x12, 0x12, 0x12, 0x12, }, 661 662 /* For total coeff = 15 */ 663 { 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x11, 0x11, 0x11, 664 0x11, 0x11, 0x11, 0x11, 0x11, }, }; 665 666 /** Tables used to read "Run Before", Below tables are packed to reduce lookups */ 667 /** (Base addess of Gx << 2) + (Max code length for that Gx) */ 668 const UWORD8 gau1_ih264d_table_run_before[64] = 669 { 0, 0, 0, 0, 0, 0, 0, 0, 5, 5, 5, 5, 1, 1, 1, 1, 10, 10, 6, 6, 1, 1, 1, 1, 670 14, 14, 10, 10, 6, 6, 2, 2, 19, 15, 10, 10, 6, 6, 2, 2, 23, 19, 15, 11, 6, 671 6, 2, 2, 7, 11, 19, 15, 27, 23, 2, 2, 27, 27, 23, 19, 15, 11, 7, 3 }; 672 673 /*****************************************************************************/ 674 /* Lookup table for CAVLC 4x4 total_coeff,trailing_ones as pers Table 9-5 */ 675 /* in the standard. Starting form lsb first 2 bits=flushbits, next 2bits= */ 676 /* trailing ones, next 5 bits=total_coeff. Total bits used = 9 out of 16 */ 677 /*****************************************************************************/ 678 const UWORD16 gau2_ih264d_code_gx[304] = 679 { 680 /* Lookup for 0 <= nC < 2 */ 681 0x0000, 682 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0014, 0x0014, 683 0x0014, 0x0014, 0x0014, 0x0014, 0x0014, 0x0014, 0x0028, 0x0028, 0x0028, 684 0x0028, 0x0028, 0x0028, 0x0028, 0x0028, 0x0026, 0x0026, 0x0012, 0x0012, 685 0x003D, 0x003D, 0x003D, 0x003D, 0x005E, 0x005E, 0x003A, 0x003A, 0x004D, 686 0x004D, 0x004D, 0x004D, 0x006E, 0x006E, 0x004A, 0x004A, 0x0036, 0x0036, 687 0x0022, 0x0022, 0x007E, 0x007E, 0x005A, 0x005A, 0x0046, 0x0046, 0x0032, 688 0x0032, 0x008E, 0x008E, 0x006A, 0x006A, 0x0056, 0x0056, 0x0042, 0x0042, 689 0x009E, 0x009E, 0x007A, 0x007A, 0x0066, 0x0066, 0x0052, 0x0052, 0x0083, 690 0x009B, 0x0087, 0x0073, 0x00AF, 0x008B, 0x0077, 0x0063, 0x00CF, 0x00BB, 691 0x00A7, 0x00A3, 0x00BF, 0x00AB, 0x0097, 0x0093, 0x00EF, 0x00DB, 0x00C7, 692 0x00C3, 0x00DF, 0x00CB, 0x00B7, 0x00B3, 0x010F, 0x00FB, 0x00F7, 0x00E3, 693 0x00FF, 0x00EB, 0x00E7, 0x00D3, 0x0102, 0x0102, 0x010A, 0x010A, 0x0106, 694 0x0106, 0x00F2, 0x00F2, 0x00D4, 0x00D4, 0x00D4, 0x00D4, 0x00D4, 0x00D4, 695 0x00D4, 0x00D4, 696 697 /* Lookup for 2 <= nC < 4 */ 698 0x0015, 699 0x0015, 0x0015, 0x0015, 0x0001, 0x0001, 0x0001, 0x0001, 0x004E, 0x004E, 700 0x003E, 0x003E, 0x0029, 0x0029, 0x0029, 0x0029, 0x006F, 0x003B, 0x0037, 701 0x0013, 0x005E, 0x005E, 0x0026, 0x0026, 0x007E, 0x007E, 0x004A, 0x004A, 702 0x0046, 0x0046, 0x0022, 0x0022, 0x008E, 0x008E, 0x005A, 0x005A, 0x0056, 703 0x0056, 0x0032, 0x0032, 0x0052, 0x0052, 0x006A, 0x006A, 0x0066, 0x0066, 704 0x0042, 0x0042, 0x009E, 0x009E, 0x007A, 0x007A, 0x0076, 0x0076, 0x0062, 705 0x0062, 0x00BF, 0x009B, 0x0097, 0x0083, 0x00AF, 0x008B, 0x0087, 0x0073, 706 0x00B3, 0x00BB, 0x00B7, 0x00A3, 0x00CF, 0x00AB, 0x00A7, 0x0093, 0x00EF, 707 0x00DB, 0x00D7, 0x00D3, 0x00DF, 0x00CB, 0x00C7, 0x00C3, 0x00F7, 0x00F3, 708 0x00FB, 0x00E7, 0x00EA, 0x00EA, 0x00E2, 0x00E2, 0x010E, 0x010E, 0x010A, 709 0x010A, 0x0106, 0x0106, 0x0102, 0x0102, 0x00FC, 0x00FC, 0x00FC, 0x00FC, 710 0x00FC, 0x00FC, 0x00FC, 0x00FC, 711 712 /* Lookup for 4 <= nC < 8 */ 713 0x007F, 714 0x006F, 0x005F, 0x004F, 0x003F, 0x002B, 0x0017, 0x0003, 0x0057, 0x005B, 715 0x0047, 0x004B, 0x0037, 0x008F, 0x003B, 0x0027, 0x0033, 0x007B, 0x0077, 716 0x0023, 0x009F, 0x006B, 0x0067, 0x0013, 0x0073, 0x0063, 0x009B, 0x0053, 717 0x00AF, 0x008B, 0x0087, 0x0043, 0x00CF, 0x00BB, 0x00A7, 0x0093, 0x00BF, 718 0x00AB, 0x0097, 0x0083, 0x00C3, 0x00DB, 0x00C7, 0x00B3, 0x00DF, 0x00CB, 719 0x00B7, 0x00A3, 0x00F7, 0x00E3, 0x00EF, 0x00EB, 0x00E7, 0x00D3, 0x00D6, 720 0x00D6, 0x0106, 0x0106, 0x00F2, 0x00F2, 0x00FE, 0x00FE, 0x00FA, 0x00FA, 721 0x010D, 0x010D, 0x010D, 0x010D, 0x0109, 0x0109, 0x0109, 0x0109, 0x0100, 722 0x0100, 0x0100, 0x0100, 0x0100, 0x0100, 0x0100, 0x0100 }; 723 724 /*****************************************************************************/ 725 /* Lookup table for CAVLC ChromaDC total_coeff,trailing_ones parsing as per */ 726 /* Table 9-5 in the standard. Starting from msb, First 4bits=total_coeff, */ 727 /* next 2bits=trailing_ones and last 2bits=flushbits-1 */ 728 /*****************************************************************************/ 729 const UWORD8 gau1_ih264d_cav_chromdc_vld[256] = 730 { 0x9E, 0x9E, 0x97, 0x8F, 0x76, 0x76, 0x6E, 0x6E, 0x85, 0x85, 0x85, 0x85, 731 0x65, 0x65, 0x65, 0x65, 0x45, 0x45, 0x45, 0x45, 0x7D, 0x7D, 0x7D, 0x7D, 732 0x4D, 0x4D, 0x4D, 0x4D, 0x25, 0x25, 0x25, 0x25, 733 734 0x52, 735 0x52, 0x52, 0x52, 0x52, 0x52, 0x52, 0x52, 0x52, 0x52, 0x52, 0x52, 0x52, 736 0x52, 0x52, 0x52, 0x52, 0x52, 0x52, 0x52, 0x52, 0x52, 0x52, 0x52, 0x52, 737 0x52, 0x52, 0x52, 0x52, 0x52, 0x52, 0x52, 738 739 0x01, 740 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 741 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 742 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 743 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 744 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 745 0x01, 0x01, 0x01, 746 747 0x28, 748 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 749 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 750 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 751 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 752 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 753 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 754 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 755 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 756 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 757 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 758 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, }; 759 760 const UWORD16 gau2_ih264d_offset_num_vlc_tab[9] = 761 { 0, 0, 120, 120, 224, 224, 224, 224, 224 }; 762 763 /*****************************************************************************/ 764 /* Function pointer u4_ofst table lookup for parsing 4x4 residual blocks in */ 765 /* CAVLC. The u4_ofst is dependent on total coeffs coded */ 766 /*****************************************************************************/ 767 const UWORD8 gau1_ih264d_total_coeff_fn_ptr_offset[16] = 768 { 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2 }; 769 770 /****************************************************************************/ 771 /* gai2_ih264d_trailing_one_level lookup tables based on trailing one bits */ 772 /* All zeroes are u2_dummy in the table are u2_dummy to keep 3 uniform elements */ 773 /****************************************************************************/ 774 const WORD16 gai2_ih264d_trailing_one_level[14][3] = 775 { 776 /* All zeroes are u2_dummy */ 777 /**********************************************************************/ 778 /* Levels for trailing ones = 1, bits read can be 0 or 1 */ 779 /**********************************************************************/ 780 { 1, 0, 0 }, /* 0 */ 781 { -1, 0, 0 }, /* 1 */ 782 783 /**********************************************************************/ 784 /* Levels for trailing ones = 2, bits read can be 00, 01, 10 ,11 */ 785 /**********************************************************************/ 786 { 1, 1, 0 }, /* 00 */ 787 { 1, -1, 0 }, /* 01 */ 788 { -1, 1, 0 }, /* 10 */ 789 { -1, -1, 0 }, /* 11 */ 790 791 /**********************************************************************/ 792 /* Levels for trailing ones = 3, bits read can be 000 - 111 */ 793 /**********************************************************************/ 794 { 1, 1, 1 }, /* 000 */ 795 { 1, 1, -1 }, /* 001 */ 796 { 1, -1, 1 }, /* 010 */ 797 { 1, -1, -1 }, /* 011 */ 798 { -1, 1, 1 }, /* 100 */ 799 { -1, 1, -1 }, /* 101 */ 800 { -1, -1, 1 }, /* 110 */ 801 { -1, -1, -1 }, /* 111 */ 802 }; 803 /****************CAVLC DECODING TABLES ENDS *******************/ 804 805 /****************************************************************************/ 806 /* These are the codes used for error detection in intra pred4x4 modes */ 807 /****************************************************************************/ 808 const UWORD8 gau1_ih264d_intra_pred_err_code[9] = 809 { 2, 1, 0, 2, 3, 3, 3, 2, 1 }; 810 811 /* Number of users for top field , bottom field, which field needs to be */ 812 /* displayed first */ 813 const UWORD8 gau1_ih264d_sei_fld_usage[9][3] = 814 { 815 { 1, 1, DISP_FLD_FIRST_UNDEF }, 816 { 1, 0, DISP_TOP_FLD_FIRST }, 817 { 0, 1, DISP_BOT_FLD_FIRST }, 818 { 1, 1, DISP_TOP_FLD_FIRST }, 819 { 1, 1, DISP_BOT_FLD_FIRST }, 820 { 2, 1, DISP_TOP_FLD_FIRST }, 821 { 1, 2, DISP_BOT_FLD_FIRST }, 822 { 2, 2, DISP_FLD_FIRST_UNDEF }, 823 { 3, 3, DISP_FLD_FIRST_UNDEF } }; 824 825 /*****************************************************************/ 826 /* Context increment for significant coefficient(CABAC) */ 827 /* Requires only 63 elements. But the last element with value -1 */ 828 /* is kept to make it 64 */ 829 /*****************************************************************/ 830 const UWORD8 gau1_ih264d_sigcoeff_context_inc_frame[64] = 831 { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5, 4, 4, 4, 4, 3, 3, 6, 7, 7, 832 7, 8, 9, 10, 9, 8, 7, 7, 6, 11, 12, 13, 11, 6, 7, 8, 9, 14, 10, 9, 8, 6, 833 11, 12, 13, 11, 6, 9, 14, 10, 9, 11, 12, 13, 11, 14, 10, 12, -1 }; 834 835 const UWORD8 gau1_ih264d_sigcoeff_context_inc_field[64] = 836 { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5, 6, 9, 10, 10, 8, 11, 12, 837 11, 9, 9, 10, 10, 8, 11, 12, 11, 9, 9, 10, 10, 8, 11, 12, 11, 9, 9, 10, 838 10, 8, 13, 13, 9, 9, 10, 10, 8, 13, 13, 9, 9, 10, 10, 14, 14, 14, 14, 14, 839 -1 }; 840 841 const UWORD8 gau1_ih264d_lastcoeff_context_inc[64] = 842 { 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 843 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 844 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, -1 }; 845 846 /*! 847 ************************************************************************** 848 * \brief gau1_ih264d_top_left_mb_part_indx_mod 849 * 850 * SubBlk number of the top left subBlk in each of the MB partition 851 * (16x16, 16x8, 8x16, 8x8) 852 ************************************************************************** 853 */ 854 const UWORD8 gau1_ih264d_top_left_mb_part_indx_mod[] = 855 { 0, 0 /* Junk */, /* 16x16 */ 856 0, 8, /* 16x8 */ 857 0, 2, /* 8x16 */ 858 0, 2, 8, 10 /* 8x8 */, 859 0 /* One extra entry is read at the end of loop, but not used */ 860 }; 861 862 /*! 863 ************************************************************************** 864 * \brief gau1_ih264d_submb_indx_mod_sp_drct 865 * 866 * Contains increments to the subBlk num in a given subMb partition. 867 ************************************************************************** 868 */ 869 const UWORD8 gau1_ih264d_submb_indx_mod_sp_drct[] = 870 { 0, 0 /* Junk */, /* 8x8 */ 871 0, 4, /* 8x4 */ 872 0, 1, /* 4x8 */ 873 0, 1, 3, 1 /* 4x4 */ 874 }; 875
