1 /****************************************************************************** 2 * 3 * Copyright (C) 2012 Ittiam Systems Pvt Ltd, Bangalore 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 /** 19 ******************************************************************************* 20 * @file 21 * ihevc_defs.h 22 * 23 * @brief 24 * Definitions used in the codec 25 * 26 * @author 27 * Ittiam 28 * 29 * 30 * @remarks 31 * None 32 * 33 ******************************************************************************* 34 */ 35 #ifndef _IHEVC_DEFS_H_ 36 #define _IHEVC_DEFS_H_ 37 38 /*****************************************************************************/ 39 /* Profile and Levels */ 40 /*****************************************************************************/ 41 enum 42 { 43 IHEVC_PROFILE_MAIN = 0, 44 }; 45 46 enum 47 { 48 IHEVC_TIER_MAIN, 49 IHEVC_TIER_HIGH, 50 }; 51 52 53 /* Slice type enums - Do not change the values */ 54 55 enum 56 { 57 BSLICE = 0, 58 PSLICE = 1, 59 ISLICE = 2, 60 }; 61 62 /** Enum for Level : Multiplication by 30 as per spec is implemented as multiplied by 10 and then by 3 63 * User will give level multiplied by 10 in the API 64 */ 65 enum 66 { 67 IHEVC_LEVEL_10 = 10 * 3, 68 IHEVC_LEVEL_20 = 20 * 3, 69 IHEVC_LEVEL_21 = 21 * 3, 70 IHEVC_LEVEL_30 = 30 * 3, 71 IHEVC_LEVEL_31 = 31 * 3, 72 IHEVC_LEVEL_40 = 40 * 3, 73 IHEVC_LEVEL_41 = 41 * 3, 74 IHEVC_LEVEL_50 = 50 * 3, 75 IHEVC_LEVEL_51 = 51 * 3, 76 IHEVC_LEVEL_52 = 52 * 3, 77 IHEVC_LEVEL_60 = 60 * 3, 78 IHEVC_LEVEL_61 = 61 * 3, 79 IHEVC_LEVEL_62 = 62 * 3, 80 }; 81 82 83 enum 84 { 85 NAL_TRAIL_N = 0, 86 NAL_TRAIL_R, 87 NAL_TSA_N, 88 NAL_TSA_R, 89 NAL_STSA_N, 90 NAL_STSA_R, 91 NAL_RADL_N, 92 NAL_RADL_R, 93 NAL_RASL_N, 94 NAL_RASL_R, 95 NAL_RSV_VCL_N10 = 10, 96 NAL_RSV_VCL_N12 = 12, 97 NAL_RSV_VCL_N14 = 14, 98 NAL_RSV_VCL_R11 = 11, 99 NAL_RSV_VCL_R13 = 13, 100 NAL_RSV_VCL_R15 = 15, 101 102 NAL_BLA_W_LP = 16, 103 NAL_BLA_W_DLP, 104 NAL_BLA_N_LP, 105 NAL_IDR_W_LP, 106 NAL_IDR_N_LP, 107 NAL_CRA, 108 NAL_RSV_RAP_VCL22 = 22, 109 NAL_RSV_RAP_VCL23 = 23, 110 NAL_RSV_VCL24 = 24, 111 NAL_RSV_VCL31 = 31, 112 NAL_VPS = 32, 113 NAL_SPS, 114 NAL_PPS, 115 NAL_AUD, 116 NAL_EOS, 117 NAL_EOB, 118 NAL_FD, 119 NAL_PREFIX_SEI = 39, 120 NAL_SUFFIX_SEI = 40, 121 NAL_RSV_NVCL41 = 41, 122 NAL_RSV_NVCL47 = 47 , 123 NAL_UNSPEC48 = 48 , 124 NAL_UNSPEC63 = 49, 125 }; 126 127 enum 128 { 129 CHROMA_FMT_IDC_MONOCHROME = 0, 130 CHROMA_FMT_IDC_YUV420 = 1, 131 CHROMA_FMT_IDC_YUV422 = 2, 132 CHROMA_FMT_IDC_YUV444 = 3, 133 CHROMA_FMT_IDC_YUV444_PLANES = 4, 134 }; 135 136 /* Pred Modes */ 137 /* Do not change enum values */ 138 enum 139 { 140 PRED_MODE_INTER = 0, 141 PRED_MODE_INTRA = 1, 142 PRED_MODE_SKIP = 2 143 }; 144 145 /* Partition Modes */ 146 /* Do not change enum values */ 147 enum 148 { 149 PART_2Nx2N = 0, 150 PART_2NxN = 1, 151 PART_Nx2N = 2, 152 PART_NxN = 3, 153 PART_2NxnU = 4, 154 PART_2NxnD = 5, 155 PART_nLx2N = 6, 156 PART_nRx2N = 7 157 }; 158 159 /* Prediction list */ 160 /* Do not change enum values */ 161 enum 162 { 163 PRED_L0 = 0, 164 PRED_L1 = 1, 165 PRED_BI = 2 166 }; 167 168 /** 169 * Scan types 170 */ 171 enum 172 { 173 SCAN_DIAG_UPRIGHT, 174 SCAN_HORZ, 175 SCAN_VERT 176 }; 177 178 /** 179 * VUI aspect ratio indicator 180 */ 181 enum 182 { 183 SAR_UNUSED = 0, 184 SAR_1_1 = 1, 185 SAR_12_11, 186 SAR_10_11, 187 SAR_16_11, 188 SAR_40_33, 189 SAR_24_11, 190 SAR_20_11, 191 SAR_32_11, 192 SAR_80_33, 193 SAR_18_11, 194 SAR_15_11, 195 SAR_64_33, 196 SAR_160_99, 197 SAR_4_3, 198 SAR_3_2, 199 SAR_2_1, 200 EXTENDED_SAR = 255 201 }; 202 203 enum 204 { 205 VID_FMT_COMPONENT = 0, 206 VID_FMT_PAL, 207 VID_FMT_NTSC, 208 VID_FMT_SECAM, 209 VID_FMT_MAC, 210 VID_FMT_UNSPECIFIED 211 }; 212 213 typedef enum { 214 USER_DATA_BAR_DATA = 0, 215 USER_DATA_CC_DATA = 1, 216 USER_DATA_AFD_DATA = 2, 217 218 // do not add anything below 219 USER_DATA_MAX 220 } USER_DATA_SEI_TYPE_T; 221 222 /** 223 **************************************************************************** 224 * SEI payload type 225 **************************************************************************** 226 */ 227 enum 228 { 229 SEI_BUFFERING_PERIOD = 0, 230 SEI_PICTURE_TIMING = 1, 231 SEI_PAN_SCAN_RECT = 2, 232 SEI_FILLER_PAYLOAD = 3, 233 SEI_USER_DATA_REGISTERED_ITU_T_T35 = 4, 234 SEI_USER_DATA_UNREGISTERED = 5, 235 SEI_RECOVERY_POINT = 6, 236 SEI_SCENE_INFO = 9, 237 SEI_FULL_FRAME_SNAPSHOT = 15, 238 SEI_PROGRESSIVE_REFINEMENT_SEGMENT_START = 16, 239 SEI_PROGRESSIVE_REFINEMENT_SEGMENT_END = 17, 240 SEI_FILM_GRAIN_CHARACTERISTICS = 19, 241 SEI_POST_FILTER_HINT = 22, 242 SEI_TONE_MAPPING_INFO = 23, 243 SEI_FRAME_PACKING = 45, 244 SEI_DISPLAY_ORIENTATION = 47, 245 SEI_SOP_DESCRIPTION = 128, 246 SEI_ACTIVE_PARAMETER_SETS = 129, 247 SEI_DECODING_UNIT_INFO = 130, 248 SEI_TEMPORAL_LEVEL0_INDEX = 131, 249 SEI_DECODED_PICTURE_HASH = 132, 250 SEI_SCALABLE_NESTING = 133, 251 SEI_REGION_REFRESH_INFO = 134, 252 SEI_NO_DISPLAY = 135, 253 SEI_TIME_CODE = 136, 254 SEI_MASTERING_DISPLAY_COLOUR_VOLUME = 137, 255 SEI_SEGM_RECT_FRAME_PACKING = 138, 256 SEI_TEMP_MOTION_CONSTRAINED_TILE_SETS = 139, 257 SEI_CHROMA_SAMPLING_FILTER_HINT = 140, 258 SEI_KNEE_FUNCTION_INFO = 141 259 }; 260 261 262 #define BIT_DEPTH 8 263 #define BIT_DEPTH_LUMA BIT_DEPTH 264 #define BIT_DEPTH_CHROMA BIT_DEPTH 265 /*****************************************************************************/ 266 /* Profile tier level defs */ 267 /*****************************************************************************/ 268 #define MAX_PROFILE_COMPATBLTY 32 269 270 /*****************************************************************************/ 271 /* Reference frame defs */ 272 /*****************************************************************************/ 273 /* Maximum DPB size */ 274 #define MAX_DPB_SIZE 16 275 276 277 /*****************************************************************************/ 278 /* VPS restrictions */ 279 /*****************************************************************************/ 280 281 /* Number of VPS allowed in Main Profile */ 282 #define MAX_VPS_CNT 16 283 284 /* Max sub layers in VPS */ 285 #define VPS_MAX_SUB_LAYERS 7 286 287 /* Max number of HRD parameters */ 288 #define VPS_MAX_HRD_PARAMS 2 289 290 /* Maximum number of operation point layers */ 291 #define VPS_MAX_OP_LAYERS 2 292 293 294 /*****************************************************************************/ 295 /* Tile restrictions */ 296 /*****************************************************************************/ 297 /* Minimum tile width in Main Profile */ 298 #define MIN_TILE_WD MAX_CTB_SIZE 299 300 /* Minimum tile height in Main Profile */ 301 #define MIN_TILE_HT MAX_CTB_SIZE 302 303 /*****************************************************************************/ 304 /* SPS restrictions */ 305 /*****************************************************************************/ 306 307 /* Number of SPS allowed in Main Profile*/ 308 /* An extra buffer is allocated to write the parsed data 309 * It is copied to the appropriate location later */ 310 #define MAX_SPS_CNT (16 + 1) 311 312 /* Max sub layers in PPS */ 313 #define SPS_MAX_SUB_LAYERS 7 314 315 /* Maximum long term reference pics */ 316 #define MAX_LTREF_PICS_SPS 32 317 318 #define MAX_STREF_PICS_SPS 64 319 320 /*****************************************************************************/ 321 /* PPS restrictions */ 322 /*****************************************************************************/ 323 324 /* Number of PPS allowed in Main Profile */ 325 /* An extra buffer is allocated to write the parsed data 326 * It is copied to the appropriate location later */ 327 #define MAX_PPS_CNT (64 + 1) 328 329 /*****************************************************************************/ 330 /* Macro definitions for sizes of CTB, PU, TU, CU */ 331 /*****************************************************************************/ 332 333 /* CTB Size Range */ 334 #define MAX_CTB_SIZE 64 335 #define MIN_CTB_SIZE 16 336 #define LOG2_MAX_CTB_SIZE 6 337 #define LOG2_MIN_CTB_SIZE 4 338 339 /* TU Size Range */ 340 #define MAX_TU_SIZE 32 341 #define MIN_TU_SIZE 4 342 #define LOG2_MAX_TU_SIZE 5 343 #define LOG2_MIN_TU_SIZE 2 344 345 /* Max Transform Size */ 346 #define MAX_TRANS_SIZE (MAX_TU_SIZE*MAX_TU_SIZE) 347 348 /* PU Size Range */ 349 #define MAX_PU_SIZE 64 350 #define MIN_PU_SIZE 4 351 #define LOG2_MAX_PU_SIZE 6 352 #define LOG2_MIN_PU_SIZE 2 353 354 /* CU Size Range */ 355 #define MAX_CU_SIZE 64 356 #define MIN_CU_SIZE 8 357 #define LOG2_MAX_CU_SIZE 6 358 #define LOG2_MIN_CU_SIZE 3 359 360 /* Number of max TU in a CTB row */ 361 #define MAX_TU_IN_CTB_ROW ((MAX_CTB_SIZE / MIN_TU_SIZE)) 362 363 /* Number of max TU in a CTB row */ 364 #define MAX_CU_IN_CTB_ROW ((MAX_CTB_SIZE / MIN_CU_SIZE)) 365 366 /* Number of max PU in a CTb row */ 367 #define MAX_PU_IN_CTB_ROW ((MAX_CTB_SIZE / MIN_PU_SIZE)) 368 369 /* Number of max CU in a CTB */ 370 #define MAX_CU_IN_CTB ((MAX_CTB_SIZE / MIN_CU_SIZE) * \ 371 (MAX_CTB_SIZE / MIN_CU_SIZE)) 372 373 /* Number of max PU in a CTB */ 374 /*****************************************************************************/ 375 /* Note though for 64 x 64 CTB, Max PU in CTB is 128, in order to store */ 376 /* intra pred info, 256 entries are needed */ 377 /*****************************************************************************/ 378 #define MAX_PU_IN_CTB ((MAX_CTB_SIZE / MIN_PU_SIZE) * \ 379 (MAX_CTB_SIZE / MIN_PU_SIZE)) 380 381 /* Number of max TU in a CTB */ 382 #define MAX_TU_IN_CTB ((MAX_CTB_SIZE / MIN_TU_SIZE) * \ 383 (MAX_CTB_SIZE / MIN_TU_SIZE)) 384 385 386 387 /** 388 * Maximum transform depths 389 */ 390 #define MAX_TRAFO_DEPTH 5 391 392 393 394 395 /* Max number of deblocking edges */ 396 #define MAX_VERT_DEBLK_EDGES ((MAX_CTB_SIZE/8) * (MAX_CTB_SIZE/4)) 397 #define MAX_HORZ_DEBLK_EDGES ((MAX_CTB_SIZE/4) * (MAX_CTB_SIZE/8)) 398 399 /* Qp can not change below 8x8 level */ 400 #define MAX_DEBLK_QP_CNT ((MAX_CTB_SIZE/8) * (MAX_CTB_SIZE/8)) 401 402 /*****************************************************************************/ 403 /* Parsing related macros */ 404 /*****************************************************************************/ 405 #define SUBBLK_COEFF_CNT 16 406 407 /* Quant and Trans defs */ 408 409 /*****************************************************************************/ 410 /* Sizes for Transform functions */ 411 /*****************************************************************************/ 412 #define TRANS_SIZE_4 4 413 #define TRANS_SIZE_8 8 414 #define TRANS_SIZE_16 16 415 #define TRANS_SIZE_32 32 416 417 418 #define IT_SHIFT_STAGE_1 7 419 #define IT_SHIFT_STAGE_2 12 420 421 /** 422 * @brief Maximum transform dynamic range (excluding sign bit) 423 */ 424 #define MAX_TR_DYNAMIC_RANGE 15 425 426 /** 427 * @brief Q(QP%6) * IQ(QP%6) = 2^20 428 */ 429 #define QUANT_IQUANT_SHIFT 20 430 431 /** 432 * @brief Q factor for Qp%6 multiplication 433 */ 434 #define QUANT_SHIFT 14 435 436 /** 437 * @brief Q shift factor for flat rescale matrix weights 438 */ 439 #define FLAT_RESCALE_MAT_Q_SHIFT 11 440 441 /** 442 * @brief Scaling matrix is represented in Q15 format 443 */ 444 #define SCALING_Q_SHIFT 15 445 446 /** 447 * @brief rounding factor for quantization represented in Q9 format 448 */ 449 #define QUANT_ROUND_FACTOR_Q 9 450 451 /** 452 * @brief Minimum qp supported in HEVC spec 453 */ 454 #define MIN_HEVC_QP 0 455 456 /** 457 * @brief Maximum qp supported in HEVC spec 458 */ 459 #define MAX_HEVC_QP 51 //FOR MAIN Branch Encoder 460 461 #define MAX_HEVC_QP_10bit 63 //FOR HBD Branch Encoder 462 463 #define MAX_HEVC_QP_12bit 75 //FOR HBD Branch Encoder 464 465 466 /** 467 * @brief Total number of transform sizes 468 * used for sizeID while getting scale matrix 469 */ 470 #define NUM_UNIQUE_TRANS_SIZE 4 471 472 /*****************************************************************************/ 473 /* Number of scaling matrices for each transform size */ 474 /*****************************************************************************/ 475 #define SCALE_MAT_CNT_TRANS_SIZE_4 6 476 #define SCALE_MAT_CNT_TRANS_SIZE_8 6 477 #define SCALE_MAT_CNT_TRANS_SIZE_16 6 478 #define SCALE_MAT_CNT_TRANS_SIZE_32 2 479 480 /* Maximum number of scale matrices for a given transform size */ 481 #define SCALE_MAT_CNT_MAX_PER_TRANS_SIZE 6 482 483 /* Total number of scale matrices */ 484 #define TOTAL_SCALE_MAT_COUNT (SCALE_MAT_CNT_TRANS_SIZE_4 + \ 485 SCALE_MAT_CNT_TRANS_SIZE_8 + \ 486 SCALE_MAT_CNT_TRANS_SIZE_16 + \ 487 SCALE_MAT_CNT_TRANS_SIZE_32) 488 489 490 /*****************************************************************************/ 491 /* Intra pred Macros */ 492 /*****************************************************************************/ 493 /** Planar Intra prediction mode */ 494 #define INTRA_PLANAR 0 495 496 /** DC Intra prediction mode */ 497 #define INTRA_DC 1 498 499 /** Gives angular mode for intra prediction */ 500 #define INTRA_ANGULAR(x) (x) 501 502 /** Following is used to signal no intra prediction in case of pcm blocks 503 */ 504 #define INTRA_PRED_NONE 63 505 506 507 /** Following is used to signal no intra prediction is needed for first three 508 * 4x4 luma blocks in case of 4x4 TU sizes 509 * Also used in pcm cases 510 */ 511 #define INTRA_PRED_CHROMA_IDX_NONE 7 512 513 #define MAX_NUM_CLOCK_TS 3 514 #define MAX_USERDATA_PAYLOAD 256 515 516 #define MAX_CPB_CNT 32 517 518 #endif /*__IHEVC_DEFS_H_*/ 519