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/*****************************************************************************/ 41enum 42{ 43 IHEVC_PROFILE_MAIN = 0, 44}; 45 46enum 47{ 48 IHEVC_TIER_MAIN, 49 IHEVC_TIER_HIGH, 50}; 51 52 53/* Slice type enums - Do not change the values */ 54 55enum 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 */ 65enum 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 83enum 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 127enum 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 */ 138enum 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 */ 147enum 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 */ 161enum 162{ 163 PRED_L0 = 0, 164 PRED_L1 = 1, 165 PRED_BI = 2 166}; 167 168/** 169 * Scan types 170 */ 171enum 172{ 173 SCAN_DIAG_UPRIGHT, 174 SCAN_HORZ, 175 SCAN_VERT 176}; 177 178/** 179 * VUI aspect ratio indicator 180 */ 181enum 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 203enum 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 213typedef 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 */ 227enum 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 16 317 318#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 16 336 337/* TU Size Range */ 338#define MAX_TU_SIZE 32 339#define MIN_TU_SIZE 4 340 341/* Max Transform Size */ 342#define MAX_TRANS_SIZE (MAX_TU_SIZE*MAX_TU_SIZE) 343 344/* PU Size Range */ 345#define MAX_PU_SIZE 64 346#define MIN_PU_SIZE 4 347 348/* CU Size Range */ 349#define MAX_CU_SIZE 64 350#define MIN_CU_SIZE 8 351 352 353/* Number of max TU in a CTB row */ 354#define MAX_TU_IN_CTB_ROW ((MAX_CTB_SIZE / MIN_TU_SIZE)) 355 356/* Number of max TU in a CTB row */ 357#define MAX_CU_IN_CTB_ROW ((MAX_CTB_SIZE / MIN_CU_SIZE)) 358 359/* Number of max PU in a CTb row */ 360#define MAX_PU_IN_CTB_ROW ((MAX_CTB_SIZE / MIN_PU_SIZE)) 361 362/* Number of max CU in a CTB */ 363#define MAX_CU_IN_CTB ((MAX_CTB_SIZE / MIN_CU_SIZE) * \ 364 (MAX_CTB_SIZE / MIN_CU_SIZE)) 365 366/* Number of max PU in a CTB */ 367/*****************************************************************************/ 368/* Note though for 64 x 64 CTB, Max PU in CTB is 128, in order to store */ 369/* intra pred info, 256 entries are needed */ 370/*****************************************************************************/ 371#define MAX_PU_IN_CTB ((MAX_CTB_SIZE / MIN_PU_SIZE) * \ 372 (MAX_CTB_SIZE / MIN_PU_SIZE)) 373 374/* Number of max TU in a CTB */ 375#define MAX_TU_IN_CTB ((MAX_CTB_SIZE / MIN_TU_SIZE) * \ 376 (MAX_CTB_SIZE / MIN_TU_SIZE)) 377 378 379 380/** 381 * Maximum transform depths 382 */ 383#define MAX_TRAFO_DEPTH 5 384 385 386 387 388/* Max number of deblocking edges */ 389#define MAX_VERT_DEBLK_EDGES ((MAX_CTB_SIZE/8) * (MAX_CTB_SIZE/4)) 390#define MAX_HORZ_DEBLK_EDGES ((MAX_CTB_SIZE/4) * (MAX_CTB_SIZE/8)) 391 392/* Qp can not change below 8x8 level */ 393#define MAX_DEBLK_QP_CNT ((MAX_CTB_SIZE/8) * (MAX_CTB_SIZE/8)) 394 395/*****************************************************************************/ 396/* Parsing related macros */ 397/*****************************************************************************/ 398#define SUBBLK_COEFF_CNT 16 399 400/* Quant and Trans defs */ 401 402/*****************************************************************************/ 403/* Sizes for Transform functions */ 404/*****************************************************************************/ 405#define TRANS_SIZE_4 4 406#define TRANS_SIZE_8 8 407#define TRANS_SIZE_16 16 408#define TRANS_SIZE_32 32 409 410 411#define IT_SHIFT_STAGE_1 7 412#define IT_SHIFT_STAGE_2 12 413 414/** 415 * @brief Maximum transform dynamic range (excluding sign bit) 416 */ 417#define MAX_TR_DYNAMIC_RANGE 15 418 419/** 420 * @brief Q(QP%6) * IQ(QP%6) = 2^20 421 */ 422#define QUANT_IQUANT_SHIFT 20 423 424/** 425 * @brief Q factor for Qp%6 multiplication 426 */ 427#define QUANT_SHIFT 14 428 429/** 430 * @brief Q shift factor for flat rescale matrix weights 431 */ 432#define FLAT_RESCALE_MAT_Q_SHIFT 11 433 434/** 435 * @brief Scaling matrix is represented in Q15 format 436 */ 437#define SCALING_Q_SHIFT 15 438 439/** 440 * @brief rounding factor for quantization represented in Q9 format 441 */ 442#define QUANT_ROUND_FACTOR_Q 9 443 444/** 445 * @brief Minimum qp supported in HEVC spec 446 */ 447#define MIN_HEVC_QP 0 448 449/** 450 * @brief Maximum qp supported in HEVC spec 451 */ 452#define MAX_HEVC_QP 51 //FOR MAIN Branch Encoder 453 454#define MAX_HEVC_QP_10bit 63 //FOR HBD Branch Encoder 455 456#define MAX_HEVC_QP_12bit 75 //FOR HBD Branch Encoder 457 458 459/** 460 * @brief Total number of transform sizes 461 * used for sizeID while getting scale matrix 462 */ 463#define NUM_UNIQUE_TRANS_SIZE 4 464 465/*****************************************************************************/ 466/* Number of scaling matrices for each transform size */ 467/*****************************************************************************/ 468#define SCALE_MAT_CNT_TRANS_SIZE_4 6 469#define SCALE_MAT_CNT_TRANS_SIZE_8 6 470#define SCALE_MAT_CNT_TRANS_SIZE_16 6 471#define SCALE_MAT_CNT_TRANS_SIZE_32 2 472 473/* Maximum number of scale matrices for a given transform size */ 474#define SCALE_MAT_CNT_MAX_PER_TRANS_SIZE 6 475 476/* Total number of scale matrices */ 477#define TOTAL_SCALE_MAT_COUNT (SCALE_MAT_CNT_TRANS_SIZE_4 + \ 478 SCALE_MAT_CNT_TRANS_SIZE_8 + \ 479 SCALE_MAT_CNT_TRANS_SIZE_16 + \ 480 SCALE_MAT_CNT_TRANS_SIZE_32) 481 482 483/*****************************************************************************/ 484/* Intra pred Macros */ 485/*****************************************************************************/ 486/** Planar Intra prediction mode */ 487#define INTRA_PLANAR 0 488 489/** DC Intra prediction mode */ 490#define INTRA_DC 1 491 492/** Gives angular mode for intra prediction */ 493#define INTRA_ANGULAR(x) (x) 494 495/** Following is used to signal no intra prediction in case of pcm blocks 496 */ 497#define INTRA_PRED_NONE 63 498 499 500/** Following is used to signal no intra prediction is needed for first three 501 * 4x4 luma blocks in case of 4x4 TU sizes 502 * Also used in pcm cases 503 */ 504#define INTRA_PRED_CHROMA_IDX_NONE 7 505 506#define MAX_NUM_CLOCK_TS 3 507#define MAX_USERDATA_PAYLOAD 256 508 509#define MAX_CPB_CNT 32 510 511#endif /*__IHEVC_DEFS_H_*/ 512