/****************************************************************************** * * Copyright (C) 2012 Ittiam Systems Pvt Ltd, Bangalore * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ******************************************************************************/ /** ******************************************************************************* * @file * ihevc_defs.h * * @brief * Definitions used in the codec * * @author * Ittiam * * * @remarks * None * ******************************************************************************* */ #ifndef _IHEVC_DEFS_H_ #define _IHEVC_DEFS_H_ /*****************************************************************************/ /* Profile and Levels */ /*****************************************************************************/ enum { IHEVC_PROFILE_MAIN = 0, }; enum { IHEVC_TIER_MAIN, IHEVC_TIER_HIGH, }; /* Slice type enums - Do not change the values */ enum { BSLICE = 0, PSLICE = 1, ISLICE = 2, }; /** Enum for Level : Multiplication by 30 as per spec is implemented as multiplied by 10 and then by 3 * User will give level multiplied by 10 in the API */ enum { IHEVC_LEVEL_10 = 10 * 3, IHEVC_LEVEL_20 = 20 * 3, IHEVC_LEVEL_21 = 21 * 3, IHEVC_LEVEL_30 = 30 * 3, IHEVC_LEVEL_31 = 31 * 3, IHEVC_LEVEL_40 = 40 * 3, IHEVC_LEVEL_41 = 41 * 3, IHEVC_LEVEL_50 = 50 * 3, IHEVC_LEVEL_51 = 51 * 3, IHEVC_LEVEL_52 = 52 * 3, IHEVC_LEVEL_60 = 60 * 3, IHEVC_LEVEL_61 = 61 * 3, IHEVC_LEVEL_62 = 62 * 3, }; enum { NAL_TRAIL_N = 0, NAL_TRAIL_R, NAL_TSA_N, NAL_TSA_R, NAL_STSA_N, NAL_STSA_R, NAL_RADL_N, NAL_RADL_R, NAL_RASL_N, NAL_RASL_R, NAL_RSV_VCL_N10 = 10, NAL_RSV_VCL_N12 = 12, NAL_RSV_VCL_N14 = 14, NAL_RSV_VCL_R11 = 11, NAL_RSV_VCL_R13 = 13, NAL_RSV_VCL_R15 = 15, NAL_BLA_W_LP = 16, NAL_BLA_W_DLP, NAL_BLA_N_LP, NAL_IDR_W_LP, NAL_IDR_N_LP, NAL_CRA, NAL_RSV_RAP_VCL22 = 22, NAL_RSV_RAP_VCL23 = 23, NAL_RSV_VCL24 = 24, NAL_RSV_VCL31 = 31, NAL_VPS = 32, NAL_SPS, NAL_PPS, NAL_AUD, NAL_EOS, NAL_EOB, NAL_FD, NAL_PREFIX_SEI = 39, NAL_SUFFIX_SEI = 40, NAL_RSV_NVCL41 = 41, NAL_RSV_NVCL47 = 47 , NAL_UNSPEC48 = 48 , NAL_UNSPEC63 = 49, }; enum { CHROMA_FMT_IDC_MONOCHROME = 0, CHROMA_FMT_IDC_YUV420 = 1, CHROMA_FMT_IDC_YUV422 = 2, CHROMA_FMT_IDC_YUV444 = 3, CHROMA_FMT_IDC_YUV444_PLANES = 4, }; /* Pred Modes */ /* Do not change enum values */ enum { PRED_MODE_INTER = 0, PRED_MODE_INTRA = 1, PRED_MODE_SKIP = 2 }; /* Partition Modes */ /* Do not change enum values */ enum { PART_2Nx2N = 0, PART_2NxN = 1, PART_Nx2N = 2, PART_NxN = 3, PART_2NxnU = 4, PART_2NxnD = 5, PART_nLx2N = 6, PART_nRx2N = 7 }; /* Prediction list */ /* Do not change enum values */ enum { PRED_L0 = 0, PRED_L1 = 1, PRED_BI = 2 }; /** * Scan types */ enum { SCAN_DIAG_UPRIGHT, SCAN_HORZ, SCAN_VERT }; /** * VUI aspect ratio indicator */ enum { SAR_UNUSED = 0, SAR_1_1 = 1, SAR_12_11, SAR_10_11, SAR_16_11, SAR_40_33, SAR_24_11, SAR_20_11, SAR_32_11, SAR_80_33, SAR_18_11, SAR_15_11, SAR_64_33, SAR_160_99, SAR_4_3, SAR_3_2, SAR_2_1, EXTENDED_SAR = 255 }; enum { VID_FMT_COMPONENT = 0, VID_FMT_PAL, VID_FMT_NTSC, VID_FMT_SECAM, VID_FMT_MAC, VID_FMT_UNSPECIFIED }; typedef enum { USER_DATA_BAR_DATA = 0, USER_DATA_CC_DATA = 1, USER_DATA_AFD_DATA = 2, // do not add anything below USER_DATA_MAX } USER_DATA_SEI_TYPE_T; #define BIT_DEPTH 8 #define BIT_DEPTH_LUMA BIT_DEPTH #define BIT_DEPTH_CHROMA BIT_DEPTH /*****************************************************************************/ /* Profile tier level defs */ /*****************************************************************************/ #define MAX_PROFILE_COMPATBLTY 32 /*****************************************************************************/ /* Reference frame defs */ /*****************************************************************************/ /* Maximum DPB size */ #define MAX_DPB_SIZE 16 /*****************************************************************************/ /* VPS restrictions */ /*****************************************************************************/ /* Number of VPS allowed in Main Profile */ #define MAX_VPS_CNT 16 /* Max sub layers in VPS */ #define VPS_MAX_SUB_LAYERS 7 /* Max number of HRD parameters */ #define VPS_MAX_HRD_PARAMS 2 /* Maximum number of operation point layers */ #define VPS_MAX_OP_LAYERS 2 /*****************************************************************************/ /* Tile restrictions */ /*****************************************************************************/ /* Minimum tile width in Main Profile */ #define MIN_TILE_WD MAX_CTB_SIZE /* Minimum tile height in Main Profile */ #define MIN_TILE_HT MAX_CTB_SIZE /*****************************************************************************/ /* SPS restrictions */ /*****************************************************************************/ /* Number of SPS allowed in Main Profile*/ /* An extra buffer is allocated to write the parsed data * It is copied to the appropriate location later */ #define MAX_SPS_CNT (16 + 1) /* Max sub layers in PPS */ #define SPS_MAX_SUB_LAYERS 7 /* Maximum long term reference pics */ #define MAX_LTREF_PICS_SPS 16 #define MAX_STREF_PICS_SPS 64 /*****************************************************************************/ /* PPS restrictions */ /*****************************************************************************/ /* Number of PPS allowed in Main Profile */ /* An extra buffer is allocated to write the parsed data * It is copied to the appropriate location later */ #define MAX_PPS_CNT (64 + 1) /*****************************************************************************/ /* Macro definitions for sizes of CTB, PU, TU, CU */ /*****************************************************************************/ /* CTB Size Range */ #define MAX_CTB_SIZE 64 #define MIN_CTB_SIZE 16 /* TU Size Range */ #define MAX_TU_SIZE 32 #define MIN_TU_SIZE 4 /* Max Transform Size */ #define MAX_TRANS_SIZE (MAX_TU_SIZE*MAX_TU_SIZE) /* PU Size Range */ #define MAX_PU_SIZE 64 #define MIN_PU_SIZE 4 /* CU Size Range */ #define MAX_CU_SIZE 64 #define MIN_CU_SIZE 8 /* Number of max TU in a CTB row */ #define MAX_TU_IN_CTB_ROW ((MAX_CTB_SIZE / MIN_TU_SIZE)) /* Number of max TU in a CTB row */ #define MAX_CU_IN_CTB_ROW ((MAX_CTB_SIZE / MIN_CU_SIZE)) /* Number of max PU in a CTb row */ #define MAX_PU_IN_CTB_ROW ((MAX_CTB_SIZE / MIN_PU_SIZE)) /* Number of max CU in a CTB */ #define MAX_CU_IN_CTB ((MAX_CTB_SIZE / MIN_CU_SIZE) * \ (MAX_CTB_SIZE / MIN_CU_SIZE)) /* Number of max PU in a CTB */ /*****************************************************************************/ /* Note though for 64 x 64 CTB, Max PU in CTB is 128, in order to store */ /* intra pred info, 256 entries are needed */ /*****************************************************************************/ #define MAX_PU_IN_CTB ((MAX_CTB_SIZE / MIN_PU_SIZE) * \ (MAX_CTB_SIZE / MIN_PU_SIZE)) /* Number of max TU in a CTB */ #define MAX_TU_IN_CTB ((MAX_CTB_SIZE / MIN_TU_SIZE) * \ (MAX_CTB_SIZE / MIN_TU_SIZE)) /** * Maximum transform depths */ #define MAX_TRAFO_DEPTH 5 /* Max number of deblocking edges */ #define MAX_VERT_DEBLK_EDGES ((MAX_CTB_SIZE/8) * (MAX_CTB_SIZE/4)) #define MAX_HORZ_DEBLK_EDGES ((MAX_CTB_SIZE/4) * (MAX_CTB_SIZE/8)) /* Qp can not change below 8x8 level */ #define MAX_DEBLK_QP_CNT ((MAX_CTB_SIZE/8) * (MAX_CTB_SIZE/8)) /*****************************************************************************/ /* Parsing related macros */ /*****************************************************************************/ #define SUBBLK_COEFF_CNT 16 /* Quant and Trans defs */ /*****************************************************************************/ /* Sizes for Transform functions */ /*****************************************************************************/ #define TRANS_SIZE_4 4 #define TRANS_SIZE_8 8 #define TRANS_SIZE_16 16 #define TRANS_SIZE_32 32 #define IT_SHIFT_STAGE_1 7 #define IT_SHIFT_STAGE_2 12 /** * @brief Maximum transform dynamic range (excluding sign bit) */ #define MAX_TR_DYNAMIC_RANGE 15 /** * @brief Q(QP%6) * IQ(QP%6) = 2^20 */ #define QUANT_IQUANT_SHIFT 20 /** * @brief Q factor for Qp%6 multiplication */ #define QUANT_SHIFT 14 /** * @brief Q shift factor for flat rescale matrix weights */ #define FLAT_RESCALE_MAT_Q_SHIFT 11 /** * @brief Scaling matrix is represented in Q15 format */ #define SCALING_Q_SHIFT 15 /** * @brief rounding factor for quantization represented in Q9 format */ #define QUANT_ROUND_FACTOR_Q 9 /** * @brief Minimum qp supported in HEVC spec */ #define MIN_HEVC_QP 0 /** * @brief Maximum qp supported in HEVC spec */ #define MAX_HEVC_QP 51 //FOR MAIN Branch Encoder #define MAX_HEVC_QP_10bit 63 //FOR HBD Branch Encoder #define MAX_HEVC_QP_12bit 75 //FOR HBD Branch Encoder /** * @brief Total number of transform sizes * used for sizeID while getting scale matrix */ #define NUM_UNIQUE_TRANS_SIZE 4 /*****************************************************************************/ /* Number of scaling matrices for each transform size */ /*****************************************************************************/ #define SCALE_MAT_CNT_TRANS_SIZE_4 6 #define SCALE_MAT_CNT_TRANS_SIZE_8 6 #define SCALE_MAT_CNT_TRANS_SIZE_16 6 #define SCALE_MAT_CNT_TRANS_SIZE_32 2 /* Maximum number of scale matrices for a given transform size */ #define SCALE_MAT_CNT_MAX_PER_TRANS_SIZE 6 /* Total number of scale matrices */ #define TOTAL_SCALE_MAT_COUNT (SCALE_MAT_CNT_TRANS_SIZE_4 + \ SCALE_MAT_CNT_TRANS_SIZE_8 + \ SCALE_MAT_CNT_TRANS_SIZE_16 + \ SCALE_MAT_CNT_TRANS_SIZE_32) /*****************************************************************************/ /* Intra pred Macros */ /*****************************************************************************/ /** Planar Intra prediction mode */ #define INTRA_PLANAR 0 /** DC Intra prediction mode */ #define INTRA_DC 1 /** Gives angular mode for intra prediction */ #define INTRA_ANGULAR(x) (x) /** Following is used to signal no intra prediction in case of pcm blocks */ #define INTRA_PRED_NONE 63 /** Following is used to signal no intra prediction is needed for first three * 4x4 luma blocks in case of 4x4 TU sizes * Also used in pcm cases */ #define INTRA_PRED_CHROMA_IDX_NONE 7 #define MAX_NUM_CLOCK_TS 3 #define MAX_USERDATA_PAYLOAD 256 #define MAX_CPB_CNT 32 #endif /*__IHEVC_DEFS_H_*/