/******************************************************************************
*
* 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_*/