FFmpeg
Data Structures | Macros | Enumerations | Functions | Variables
hevcdec.h File Reference
#include <stdatomic.h>
#include "libavutil/buffer.h"
#include "libavutil/mem_internal.h"
#include "avcodec.h"
#include "bswapdsp.h"
#include "cabac.h"
#include "dovi_rpu.h"
#include "get_bits.h"
#include "hevcpred.h"
#include "h2645_parse.h"
#include "hevc.h"
#include "hevc_ps.h"
#include "hevc_sei.h"
#include "hevcdsp.h"
#include "h274.h"
#include "threadframe.h"
#include "videodsp.h"

Go to the source code of this file.

Data Structures

struct  HEVCCABACState
 
struct  LongTermRPS
 
struct  RefPicList
 
struct  RefPicListTab
 
struct  SliceHeader
 
struct  CodingUnit
 
struct  Mv
 
struct  MvField
 
struct  NeighbourAvailable
 
struct  PredictionUnit
 
struct  TransformUnit
 
struct  DBParams
 
struct  HEVCFrame
 
struct  HEVCLocalContext
 
struct  HEVCContext
 

Macros

#define SHIFT_CTB_WPP   2
 
#define MAX_TB_SIZE   32
 
#define MAX_QP   51
 
#define DEFAULT_INTRA_TC_OFFSET   2
 
#define HEVC_CONTEXTS   199
 
#define HEVC_STAT_COEFFS   4
 
#define MRG_MAX_NUM_CANDS   5
 
#define L0   0
 
#define L1   1
 
#define EPEL_EXTRA_BEFORE   1
 
#define EPEL_EXTRA_AFTER   2
 
#define EPEL_EXTRA   3
 
#define QPEL_EXTRA_BEFORE   3
 
#define QPEL_EXTRA_AFTER   4
 
#define QPEL_EXTRA   7
 
#define EDGE_EMU_BUFFER_STRIDE   80
 
#define SAMPLE(tab, x, y)   ((tab)[(y) * s->sps->width + (x)])
 Value of the luma sample at position (x, y) in the 2D array tab. More...
 
#define SAMPLE_CTB(tab, x, y)   ((tab)[(y) * min_cb_width + (x)])
 
#define IS_IDR(s)   ((s)->nal_unit_type == HEVC_NAL_IDR_W_RADL || (s)->nal_unit_type == HEVC_NAL_IDR_N_LP)
 
#define IS_BLA(s)
 
#define IS_IRAP(s)   ((s)->nal_unit_type >= HEVC_NAL_BLA_W_LP && (s)->nal_unit_type <= HEVC_NAL_RSV_IRAP_VCL23)
 
#define HEVC_FRAME_FLAG_OUTPUT   (1 << 0)
 
#define HEVC_FRAME_FLAG_SHORT_REF   (1 << 1)
 
#define HEVC_FRAME_FLAG_LONG_REF   (1 << 2)
 
#define HEVC_FRAME_FLAG_BUMPING   (1 << 3)
 
#define HEVC_SEQUENCE_COUNTER_MASK   0xff
 
#define HEVC_SEQUENCE_COUNTER_INVALID   (HEVC_SEQUENCE_COUNTER_MASK + 1)
 
#define BOUNDARY_LEFT_SLICE   (1 << 0)
 
#define BOUNDARY_LEFT_TILE   (1 << 1)
 
#define BOUNDARY_UPPER_SLICE   (1 << 2)
 
#define BOUNDARY_UPPER_TILE   (1 << 3)
 

Enumerations

enum  RPSType {
  ST_CURR_BEF = 0, ST_CURR_AFT, ST_FOLL, LT_CURR,
  LT_FOLL, NB_RPS_TYPE
}
 
enum  SyntaxElement {
  SAO_MERGE_FLAG = 0, SAO_TYPE_IDX, SAO_EO_CLASS, SAO_BAND_POSITION,
  SAO_OFFSET_ABS, SAO_OFFSET_SIGN, END_OF_SLICE_FLAG, SPLIT_CODING_UNIT_FLAG,
  CU_TRANSQUANT_BYPASS_FLAG, SKIP_FLAG, CU_QP_DELTA, PRED_MODE_FLAG,
  PART_MODE, PCM_FLAG, PREV_INTRA_LUMA_PRED_FLAG, MPM_IDX,
  REM_INTRA_LUMA_PRED_MODE, INTRA_CHROMA_PRED_MODE, MERGE_FLAG, MERGE_IDX,
  INTER_PRED_IDC, REF_IDX_L0, REF_IDX_L1, ABS_MVD_GREATER0_FLAG,
  ABS_MVD_GREATER1_FLAG, ABS_MVD_MINUS2, MVD_SIGN_FLAG, MVP_LX_FLAG,
  NO_RESIDUAL_DATA_FLAG, SPLIT_TRANSFORM_FLAG, CBF_LUMA, CBF_CB_CR,
  TRANSFORM_SKIP_FLAG, EXPLICIT_RDPCM_FLAG, EXPLICIT_RDPCM_DIR_FLAG, LAST_SIGNIFICANT_COEFF_X_PREFIX,
  LAST_SIGNIFICANT_COEFF_Y_PREFIX, LAST_SIGNIFICANT_COEFF_X_SUFFIX, LAST_SIGNIFICANT_COEFF_Y_SUFFIX, SIGNIFICANT_COEFF_GROUP_FLAG,
  SIGNIFICANT_COEFF_FLAG, COEFF_ABS_LEVEL_GREATER1_FLAG, COEFF_ABS_LEVEL_GREATER2_FLAG, COEFF_ABS_LEVEL_REMAINING,
  COEFF_SIGN_FLAG, LOG2_RES_SCALE_ABS, RES_SCALE_SIGN_FLAG, CU_CHROMA_QP_OFFSET_FLAG,
  CU_CHROMA_QP_OFFSET_IDX, ALF_CTB_FLAG = 0, ALF_USE_APS_FLAG = ALF_CTB_FLAG + 9, ALF_CTB_CC_CB_IDC,
  ALF_CTB_CC_CR_IDC = ALF_CTB_CC_CB_IDC + 3, ALF_CTB_FILTER_ALT_IDX = ALF_CTB_CC_CR_IDC + 3, SAO_MERGE_FLAG = ALF_CTB_FILTER_ALT_IDX + 2, SAO_TYPE_IDX,
  SPLIT_CU_FLAG, SPLIT_QT_FLAG = SPLIT_CU_FLAG + 9, MTT_SPLIT_CU_VERTICAL_FLAG = SPLIT_QT_FLAG + 6, MTT_SPLIT_CU_BINARY_FLAG = MTT_SPLIT_CU_VERTICAL_FLAG + 5,
  NON_INTER_FLAG = MTT_SPLIT_CU_BINARY_FLAG + 4, CU_SKIP_FLAG = NON_INTER_FLAG + 2, PRED_MODE_IBC_FLAG = CU_SKIP_FLAG + 3, PRED_MODE_FLAG = PRED_MODE_IBC_FLAG + 3,
  PRED_MODE_PLT_FLAG = PRED_MODE_FLAG + 2, CU_ACT_ENABLED_FLAG, INTRA_BDPCM_LUMA_FLAG, INTRA_BDPCM_LUMA_DIR_FLAG,
  INTRA_MIP_FLAG, INTRA_LUMA_REF_IDX = INTRA_MIP_FLAG + 4, INTRA_SUBPARTITIONS_MODE_FLAG = INTRA_LUMA_REF_IDX + 2, INTRA_SUBPARTITIONS_SPLIT_FLAG,
  INTRA_LUMA_MPM_FLAG, INTRA_LUMA_NOT_PLANAR_FLAG, INTRA_BDPCM_CHROMA_FLAG = INTRA_LUMA_NOT_PLANAR_FLAG + 2, INTRA_BDPCM_CHROMA_DIR_FLAG,
  CCLM_MODE_FLAG, CCLM_MODE_IDX, INTRA_CHROMA_PRED_MODE, GENERAL_MERGE_FLAG,
  INTER_PRED_IDC, INTER_AFFINE_FLAG = INTER_PRED_IDC + 6, CU_AFFINE_TYPE_FLAG = INTER_AFFINE_FLAG + 3, SYM_MVD_FLAG,
  REF_IDX_LX, MVP_LX_FLAG = REF_IDX_LX + 2, AMVR_FLAG, AMVR_PRECISION_IDX = AMVR_FLAG + 2,
  BCW_IDX = AMVR_PRECISION_IDX + 3, CU_CODED_FLAG, CU_SBT_FLAG, CU_SBT_QUAD_FLAG = CU_SBT_FLAG + 2,
  CU_SBT_HORIZONTAL_FLAG, CU_SBT_POS_FLAG = CU_SBT_HORIZONTAL_FLAG + 3, LFNST_IDX, MTS_IDX = LFNST_IDX + 3,
  COPY_ABOVE_PALETTE_INDICES_FLAG = MTS_IDX + 4, PALETTE_TRANSPOSE_FLAG, RUN_COPY_FLAG, REGULAR_MERGE_FLAG = RUN_COPY_FLAG + 8,
  MMVD_MERGE_FLAG = REGULAR_MERGE_FLAG + 2, MMVD_CAND_FLAG, MMVD_DISTANCE_IDX, CIIP_FLAG,
  MERGE_SUBBLOCK_FLAG, MERGE_SUBBLOCK_IDX = MERGE_SUBBLOCK_FLAG + 3, MERGE_IDX, ABS_MVD_GREATER0_FLAG,
  ABS_MVD_GREATER1_FLAG, TU_Y_CODED_FLAG, TU_CB_CODED_FLAG = TU_Y_CODED_FLAG + 4, TU_CR_CODED_FLAG = TU_CB_CODED_FLAG + 2,
  CU_QP_DELTA_ABS = TU_CR_CODED_FLAG + 3, CU_CHROMA_QP_OFFSET_FLAG = CU_QP_DELTA_ABS + 2, CU_CHROMA_QP_OFFSET_IDX, TRANSFORM_SKIP_FLAG,
  TU_JOINT_CBCR_RESIDUAL_FLAG = TRANSFORM_SKIP_FLAG + 2, LAST_SIG_COEFF_X_PREFIX = TU_JOINT_CBCR_RESIDUAL_FLAG + 3, LAST_SIG_COEFF_Y_PREFIX = LAST_SIG_COEFF_X_PREFIX +23, SB_CODED_FLAG = LAST_SIG_COEFF_Y_PREFIX +23,
  SIG_COEFF_FLAG = SB_CODED_FLAG + 7, PAR_LEVEL_FLAG = SIG_COEFF_FLAG +63, ABS_LEVEL_GTX_FLAG = PAR_LEVEL_FLAG +33, COEFF_SIGN_FLAG = ABS_LEVEL_GTX_FLAG +72,
  SYNTAX_ELEMENT_LAST = COEFF_SIGN_FLAG + 6
}
 
enum  PartMode {
  PART_2Nx2N = 0, PART_2NxN = 1, PART_Nx2N = 2, PART_NxN = 3,
  PART_2NxnU = 4, PART_2NxnD = 5, PART_nLx2N = 6, PART_nRx2N = 7
}
 
enum  PredMode {
  MODE_INTER = 0, MODE_INTRA, MODE_SKIP, MODE_INTER,
  MODE_INTRA, MODE_SKIP, MODE_PLT, MODE_IBC
}
 
enum  InterPredIdc { PRED_L0 = 0, PRED_L1, PRED_BI }
 
enum  PredFlag {
  PF_INTRA = 0, PF_L0, PF_L1, PF_BI,
  PF_INTRA = 0x0, PF_L0 = 0x1, PF_L1 = 0x2, PF_BI = 0x3,
  PF_IBC = PF_L0 | 0x4
}
 
enum  IntraPredMode {
  INTRA_PLANAR = 0, INTRA_DC, INTRA_ANGULAR_2, INTRA_ANGULAR_3,
  INTRA_ANGULAR_4, INTRA_ANGULAR_5, INTRA_ANGULAR_6, INTRA_ANGULAR_7,
  INTRA_ANGULAR_8, INTRA_ANGULAR_9, INTRA_ANGULAR_10, INTRA_ANGULAR_11,
  INTRA_ANGULAR_12, INTRA_ANGULAR_13, INTRA_ANGULAR_14, INTRA_ANGULAR_15,
  INTRA_ANGULAR_16, INTRA_ANGULAR_17, INTRA_ANGULAR_18, INTRA_ANGULAR_19,
  INTRA_ANGULAR_20, INTRA_ANGULAR_21, INTRA_ANGULAR_22, INTRA_ANGULAR_23,
  INTRA_ANGULAR_24, INTRA_ANGULAR_25, INTRA_ANGULAR_26, INTRA_ANGULAR_27,
  INTRA_ANGULAR_28, INTRA_ANGULAR_29, INTRA_ANGULAR_30, INTRA_ANGULAR_31,
  INTRA_ANGULAR_32, INTRA_ANGULAR_33, INTRA_ANGULAR_34, VERT_PRED,
  HOR_PRED, DC_PRED, DIAG_DOWN_LEFT_PRED, DIAG_DOWN_RIGHT_PRED,
  VERT_RIGHT_PRED, HOR_DOWN_PRED, VERT_LEFT_PRED, HOR_UP_PRED,
  TM_VP8_PRED, LEFT_DC_PRED, TOP_DC_PRED, DC_128_PRED,
  DC_127_PRED, DC_129_PRED, N_INTRA_PRED_MODES, INTRA_INVALID = -1,
  INTRA_PLANAR = 0, INTRA_DC, INTRA_HORZ = 18, INTRA_DIAG = 34,
  INTRA_VERT = 50, INTRA_VDIAG = 66, INTRA_LT_CCLM = 81, INTRA_L_CCLM,
  INTRA_T_CCLM
}
 
enum  SAOType {
  SAO_NOT_APPLIED = 0, SAO_BAND, SAO_EDGE, SAO_APPLIED,
  SAO_NOT_APPLIED = 0, SAO_BAND, SAO_EDGE
}
 
enum  SAOEOClass {
  SAO_EO_HORIZ = 0, SAO_EO_VERT, SAO_EO_135D, SAO_EO_45D,
  SAO_EO_HORIZ = 0, SAO_EO_VERT, SAO_EO_135D, SAO_EO_45D
}
 
enum  ScanType { SCAN_DIAG = 0, SCAN_HORIZ, SCAN_VERT }
 

Functions

void ff_hevc_clear_refs (HEVCContext *s)
 Mark all frames in DPB as unused for reference. More...
 
void ff_hevc_flush_dpb (HEVCContext *s)
 Drop all frames currently in DPB. More...
 
const RefPicListff_hevc_get_ref_list (const HEVCContext *s, const HEVCFrame *frame, int x0, int y0)
 
int ff_hevc_frame_rps (HEVCContext *s)
 Construct the reference picture sets for the current frame. More...
 
int ff_hevc_slice_rpl (HEVCContext *s)
 Construct the reference picture list(s) for the current slice. More...
 
void ff_hevc_save_states (HEVCLocalContext *lc, int ctb_addr_ts)
 
int ff_hevc_cabac_init (HEVCLocalContext *lc, int ctb_addr_ts)
 
int ff_hevc_sao_merge_flag_decode (HEVCLocalContext *lc)
 
int ff_hevc_sao_type_idx_decode (HEVCLocalContext *lc)
 
int ff_hevc_sao_band_position_decode (HEVCLocalContext *lc)
 
int ff_hevc_sao_offset_abs_decode (HEVCLocalContext *lc)
 
int ff_hevc_sao_offset_sign_decode (HEVCLocalContext *lc)
 
int ff_hevc_sao_eo_class_decode (HEVCLocalContext *lc)
 
int ff_hevc_end_of_slice_flag_decode (HEVCLocalContext *lc)
 
int ff_hevc_cu_transquant_bypass_flag_decode (HEVCLocalContext *lc)
 
int ff_hevc_skip_flag_decode (HEVCLocalContext *lc, int x0, int y0, int x_cb, int y_cb)
 
int ff_hevc_pred_mode_decode (HEVCLocalContext *lc)
 
int ff_hevc_split_coding_unit_flag_decode (HEVCLocalContext *lc, int ct_depth, int x0, int y0)
 
int ff_hevc_part_mode_decode (HEVCLocalContext *lc, int log2_cb_size)
 
int ff_hevc_pcm_flag_decode (HEVCLocalContext *lc)
 
int ff_hevc_prev_intra_luma_pred_flag_decode (HEVCLocalContext *lc)
 
int ff_hevc_mpm_idx_decode (HEVCLocalContext *lc)
 
int ff_hevc_rem_intra_luma_pred_mode_decode (HEVCLocalContext *lc)
 
int ff_hevc_intra_chroma_pred_mode_decode (HEVCLocalContext *lc)
 
int ff_hevc_merge_idx_decode (HEVCLocalContext *lc)
 
int ff_hevc_merge_flag_decode (HEVCLocalContext *lc)
 
int ff_hevc_inter_pred_idc_decode (HEVCLocalContext *lc, int nPbW, int nPbH)
 
int ff_hevc_ref_idx_lx_decode (HEVCLocalContext *lc, int num_ref_idx_lx)
 
int ff_hevc_mvp_lx_flag_decode (HEVCLocalContext *lc)
 
int ff_hevc_no_residual_syntax_flag_decode (HEVCLocalContext *lc)
 
int ff_hevc_split_transform_flag_decode (HEVCLocalContext *lc, int log2_trafo_size)
 
int ff_hevc_cbf_cb_cr_decode (HEVCLocalContext *lc, int trafo_depth)
 
int ff_hevc_cbf_luma_decode (HEVCLocalContext *lc, int trafo_depth)
 
int ff_hevc_log2_res_scale_abs (HEVCLocalContext *lc, int idx)
 
int ff_hevc_res_scale_sign_flag (HEVCLocalContext *lc, int idx)
 
int ff_hevc_frame_nb_refs (const HEVCContext *s)
 Get the number of candidate references for the current frame. More...
 
int ff_hevc_set_new_ref (HEVCContext *s, AVFrame **frame, int poc)
 
static av_always_inline int ff_hevc_nal_is_nonref (enum HEVCNALUnitType type)
 
int ff_hevc_output_frame (HEVCContext *s, AVFrame *frame, int flush)
 Find next frame in output order and put a reference to it in frame. More...
 
void ff_hevc_bump_frame (HEVCContext *s)
 
void ff_hevc_unref_frame (HEVCFrame *frame, int flags)
 
void ff_hevc_set_neighbour_available (HEVCLocalContext *lc, int x0, int y0, int nPbW, int nPbH)
 
void ff_hevc_luma_mv_merge_mode (HEVCLocalContext *lc, int x0, int y0, int nPbW, int nPbH, int log2_cb_size, int part_idx, int merge_idx, MvField *mv)
 
void ff_hevc_luma_mv_mvp_mode (HEVCLocalContext *lc, int x0, int y0, int nPbW, int nPbH, int log2_cb_size, int part_idx, int merge_idx, MvField *mv, int mvp_lx_flag, int LX)
 
void ff_hevc_hls_filter (HEVCLocalContext *lc, int x, int y, int ctb_size)
 
void ff_hevc_hls_filters (HEVCLocalContext *lc, int x_ctb, int y_ctb, int ctb_size)
 
void ff_hevc_set_qPy (HEVCLocalContext *lc, int xBase, int yBase, int log2_cb_size)
 
void ff_hevc_deblocking_boundary_strengths (HEVCLocalContext *lc, int x0, int y0, int log2_trafo_size)
 
int ff_hevc_cu_qp_delta_sign_flag (HEVCLocalContext *lc)
 
int ff_hevc_cu_qp_delta_abs (HEVCLocalContext *lc)
 
int ff_hevc_cu_chroma_qp_offset_flag (HEVCLocalContext *lc)
 
int ff_hevc_cu_chroma_qp_offset_idx (HEVCLocalContext *lc)
 
void ff_hevc_hls_residual_coding (HEVCLocalContext *lc, int x0, int y0, int log2_trafo_size, enum ScanType scan_idx, int c_idx)
 
void ff_hevc_hls_mvd_coding (HEVCLocalContext *lc, int x0, int y0, int log2_cb_size)
 

Variables

const uint8_t ff_hevc_qpel_extra_before [4]
 
const uint8_t ff_hevc_qpel_extra_after [4]
 
const uint8_t ff_hevc_qpel_extra [4]
 

Macro Definition Documentation

◆ SHIFT_CTB_WPP

#define SHIFT_CTB_WPP   2

Definition at line 46 of file hevcdec.h.

◆ MAX_TB_SIZE

#define MAX_TB_SIZE   32

Definition at line 48 of file hevcdec.h.

◆ MAX_QP

#define MAX_QP   51

Definition at line 49 of file hevcdec.h.

◆ DEFAULT_INTRA_TC_OFFSET

#define DEFAULT_INTRA_TC_OFFSET   2

Definition at line 50 of file hevcdec.h.

◆ HEVC_CONTEXTS

#define HEVC_CONTEXTS   199

Definition at line 52 of file hevcdec.h.

◆ HEVC_STAT_COEFFS

#define HEVC_STAT_COEFFS   4

Definition at line 53 of file hevcdec.h.

◆ MRG_MAX_NUM_CANDS

#define MRG_MAX_NUM_CANDS   5

Definition at line 55 of file hevcdec.h.

◆ L0

#define L0   0

Definition at line 57 of file hevcdec.h.

◆ L1

#define L1   1

Definition at line 58 of file hevcdec.h.

◆ EPEL_EXTRA_BEFORE

#define EPEL_EXTRA_BEFORE   1

Definition at line 60 of file hevcdec.h.

◆ EPEL_EXTRA_AFTER

#define EPEL_EXTRA_AFTER   2

Definition at line 61 of file hevcdec.h.

◆ EPEL_EXTRA

#define EPEL_EXTRA   3

Definition at line 62 of file hevcdec.h.

◆ QPEL_EXTRA_BEFORE

#define QPEL_EXTRA_BEFORE   3

Definition at line 63 of file hevcdec.h.

◆ QPEL_EXTRA_AFTER

#define QPEL_EXTRA_AFTER   4

Definition at line 64 of file hevcdec.h.

◆ QPEL_EXTRA

#define QPEL_EXTRA   7

Definition at line 65 of file hevcdec.h.

◆ EDGE_EMU_BUFFER_STRIDE

#define EDGE_EMU_BUFFER_STRIDE   80

Definition at line 67 of file hevcdec.h.

◆ SAMPLE

#define SAMPLE (   tab,
  x,
 
)    ((tab)[(y) * s->sps->width + (x)])

Value of the luma sample at position (x, y) in the 2D array tab.

Definition at line 72 of file hevcdec.h.

◆ SAMPLE_CTB

#define SAMPLE_CTB (   tab,
  x,
 
)    ((tab)[(y) * min_cb_width + (x)])

Definition at line 73 of file hevcdec.h.

◆ IS_IDR

#define IS_IDR (   s)    ((s)->nal_unit_type == HEVC_NAL_IDR_W_RADL || (s)->nal_unit_type == HEVC_NAL_IDR_N_LP)

Definition at line 75 of file hevcdec.h.

◆ IS_BLA

#define IS_BLA (   s)
Value:
((s)->nal_unit_type == HEVC_NAL_BLA_W_RADL || (s)->nal_unit_type == HEVC_NAL_BLA_W_LP || \
(s)->nal_unit_type == HEVC_NAL_BLA_N_LP)

Definition at line 76 of file hevcdec.h.

◆ IS_IRAP

#define IS_IRAP (   s)    ((s)->nal_unit_type >= HEVC_NAL_BLA_W_LP && (s)->nal_unit_type <= HEVC_NAL_RSV_IRAP_VCL23)

Definition at line 78 of file hevcdec.h.

◆ HEVC_FRAME_FLAG_OUTPUT

#define HEVC_FRAME_FLAG_OUTPUT   (1 << 0)

Definition at line 398 of file hevcdec.h.

◆ HEVC_FRAME_FLAG_SHORT_REF

#define HEVC_FRAME_FLAG_SHORT_REF   (1 << 1)

Definition at line 399 of file hevcdec.h.

◆ HEVC_FRAME_FLAG_LONG_REF

#define HEVC_FRAME_FLAG_LONG_REF   (1 << 2)

Definition at line 400 of file hevcdec.h.

◆ HEVC_FRAME_FLAG_BUMPING

#define HEVC_FRAME_FLAG_BUMPING   (1 << 3)

Definition at line 401 of file hevcdec.h.

◆ HEVC_SEQUENCE_COUNTER_MASK

#define HEVC_SEQUENCE_COUNTER_MASK   0xff

Definition at line 403 of file hevcdec.h.

◆ HEVC_SEQUENCE_COUNTER_INVALID

#define HEVC_SEQUENCE_COUNTER_INVALID   (HEVC_SEQUENCE_COUNTER_MASK + 1)

Definition at line 404 of file hevcdec.h.

◆ BOUNDARY_LEFT_SLICE

#define BOUNDARY_LEFT_SLICE   (1 << 0)

Definition at line 483 of file hevcdec.h.

◆ BOUNDARY_LEFT_TILE

#define BOUNDARY_LEFT_TILE   (1 << 1)

Definition at line 484 of file hevcdec.h.

◆ BOUNDARY_UPPER_SLICE

#define BOUNDARY_UPPER_SLICE   (1 << 2)

Definition at line 485 of file hevcdec.h.

◆ BOUNDARY_UPPER_TILE

#define BOUNDARY_UPPER_TILE   (1 << 3)

Definition at line 486 of file hevcdec.h.

Enumeration Type Documentation

◆ RPSType

enum RPSType
Enumerator
ST_CURR_BEF 
ST_CURR_AFT 
ST_FOLL 
LT_CURR 
LT_FOLL 
NB_RPS_TYPE 

Definition at line 80 of file hevcdec.h.

◆ SyntaxElement

Enumerator
SAO_MERGE_FLAG 
SAO_TYPE_IDX 
SAO_EO_CLASS 
SAO_BAND_POSITION 
SAO_OFFSET_ABS 
SAO_OFFSET_SIGN 
END_OF_SLICE_FLAG 
SPLIT_CODING_UNIT_FLAG 
CU_TRANSQUANT_BYPASS_FLAG 
SKIP_FLAG 
CU_QP_DELTA 
PRED_MODE_FLAG 
PART_MODE 
PCM_FLAG 
PREV_INTRA_LUMA_PRED_FLAG 
MPM_IDX 
REM_INTRA_LUMA_PRED_MODE 
INTRA_CHROMA_PRED_MODE 
MERGE_FLAG 
MERGE_IDX 
INTER_PRED_IDC 
REF_IDX_L0 
REF_IDX_L1 
ABS_MVD_GREATER0_FLAG 
ABS_MVD_GREATER1_FLAG 
ABS_MVD_MINUS2 
MVD_SIGN_FLAG 
MVP_LX_FLAG 
NO_RESIDUAL_DATA_FLAG 
SPLIT_TRANSFORM_FLAG 
CBF_LUMA 
CBF_CB_CR 
TRANSFORM_SKIP_FLAG 
EXPLICIT_RDPCM_FLAG 
EXPLICIT_RDPCM_DIR_FLAG 
LAST_SIGNIFICANT_COEFF_X_PREFIX 
LAST_SIGNIFICANT_COEFF_Y_PREFIX 
LAST_SIGNIFICANT_COEFF_X_SUFFIX 
LAST_SIGNIFICANT_COEFF_Y_SUFFIX 
SIGNIFICANT_COEFF_GROUP_FLAG 
SIGNIFICANT_COEFF_FLAG 
COEFF_ABS_LEVEL_GREATER1_FLAG 
COEFF_ABS_LEVEL_GREATER2_FLAG 
COEFF_ABS_LEVEL_REMAINING 
COEFF_SIGN_FLAG 
LOG2_RES_SCALE_ABS 
RES_SCALE_SIGN_FLAG 
CU_CHROMA_QP_OFFSET_FLAG 
CU_CHROMA_QP_OFFSET_IDX 
ALF_CTB_FLAG 
ALF_USE_APS_FLAG 
ALF_CTB_CC_CB_IDC 
ALF_CTB_CC_CR_IDC 
ALF_CTB_FILTER_ALT_IDX 
SAO_MERGE_FLAG 
SAO_TYPE_IDX 
SPLIT_CU_FLAG 
SPLIT_QT_FLAG 
MTT_SPLIT_CU_VERTICAL_FLAG 
MTT_SPLIT_CU_BINARY_FLAG 
NON_INTER_FLAG 
CU_SKIP_FLAG 
PRED_MODE_IBC_FLAG 
PRED_MODE_FLAG 
PRED_MODE_PLT_FLAG 
CU_ACT_ENABLED_FLAG 
INTRA_BDPCM_LUMA_FLAG 
INTRA_BDPCM_LUMA_DIR_FLAG 
INTRA_MIP_FLAG 
INTRA_LUMA_REF_IDX 
INTRA_SUBPARTITIONS_MODE_FLAG 
INTRA_SUBPARTITIONS_SPLIT_FLAG 
INTRA_LUMA_MPM_FLAG 
INTRA_LUMA_NOT_PLANAR_FLAG 
INTRA_BDPCM_CHROMA_FLAG 
INTRA_BDPCM_CHROMA_DIR_FLAG 
CCLM_MODE_FLAG 
CCLM_MODE_IDX 
INTRA_CHROMA_PRED_MODE 
GENERAL_MERGE_FLAG 
INTER_PRED_IDC 
INTER_AFFINE_FLAG 
CU_AFFINE_TYPE_FLAG 
SYM_MVD_FLAG 
REF_IDX_LX 
MVP_LX_FLAG 
AMVR_FLAG 
AMVR_PRECISION_IDX 
BCW_IDX 
CU_CODED_FLAG 
CU_SBT_FLAG 
CU_SBT_QUAD_FLAG 
CU_SBT_HORIZONTAL_FLAG 
CU_SBT_POS_FLAG 
LFNST_IDX 
MTS_IDX 
COPY_ABOVE_PALETTE_INDICES_FLAG 
PALETTE_TRANSPOSE_FLAG 
RUN_COPY_FLAG 
REGULAR_MERGE_FLAG 
MMVD_MERGE_FLAG 
MMVD_CAND_FLAG 
MMVD_DISTANCE_IDX 
CIIP_FLAG 
MERGE_SUBBLOCK_FLAG 
MERGE_SUBBLOCK_IDX 
MERGE_IDX 
ABS_MVD_GREATER0_FLAG 
ABS_MVD_GREATER1_FLAG 
TU_Y_CODED_FLAG 
TU_CB_CODED_FLAG 
TU_CR_CODED_FLAG 
CU_QP_DELTA_ABS 
CU_CHROMA_QP_OFFSET_FLAG 
CU_CHROMA_QP_OFFSET_IDX 
TRANSFORM_SKIP_FLAG 
TU_JOINT_CBCR_RESIDUAL_FLAG 
LAST_SIG_COEFF_X_PREFIX 
LAST_SIG_COEFF_Y_PREFIX 
SB_CODED_FLAG 
SIG_COEFF_FLAG 
PAR_LEVEL_FLAG 
ABS_LEVEL_GTX_FLAG 
COEFF_SIGN_FLAG 
SYNTAX_ELEMENT_LAST 

Definition at line 89 of file hevcdec.h.

◆ PartMode

enum PartMode
Enumerator
PART_2Nx2N 
PART_2NxN 
PART_Nx2N 
PART_NxN 
PART_2NxnU 
PART_2NxnD 
PART_nLx2N 
PART_nRx2N 

Definition at line 141 of file hevcdec.h.

◆ PredMode

enum PredMode
Enumerator
MODE_INTER 
MODE_INTRA 
MODE_SKIP 
MODE_INTER 
MODE_INTRA 
MODE_SKIP 
MODE_PLT 
MODE_IBC 

Definition at line 152 of file hevcdec.h.

◆ InterPredIdc

Enumerator
PRED_L0 
PRED_L1 
PRED_BI 

Definition at line 158 of file hevcdec.h.

◆ PredFlag

enum PredFlag
Enumerator
PF_INTRA 
PF_L0 
PF_L1 
PF_BI 
PF_INTRA 
PF_L0 
PF_L1 
PF_BI 
PF_IBC 

Definition at line 164 of file hevcdec.h.

◆ IntraPredMode

Enumerator
INTRA_PLANAR 
INTRA_DC 
INTRA_ANGULAR_2 
INTRA_ANGULAR_3 
INTRA_ANGULAR_4 
INTRA_ANGULAR_5 
INTRA_ANGULAR_6 
INTRA_ANGULAR_7 
INTRA_ANGULAR_8 
INTRA_ANGULAR_9 
INTRA_ANGULAR_10 
INTRA_ANGULAR_11 
INTRA_ANGULAR_12 
INTRA_ANGULAR_13 
INTRA_ANGULAR_14 
INTRA_ANGULAR_15 
INTRA_ANGULAR_16 
INTRA_ANGULAR_17 
INTRA_ANGULAR_18 
INTRA_ANGULAR_19 
INTRA_ANGULAR_20 
INTRA_ANGULAR_21 
INTRA_ANGULAR_22 
INTRA_ANGULAR_23 
INTRA_ANGULAR_24 
INTRA_ANGULAR_25 
INTRA_ANGULAR_26 
INTRA_ANGULAR_27 
INTRA_ANGULAR_28 
INTRA_ANGULAR_29 
INTRA_ANGULAR_30 
INTRA_ANGULAR_31 
INTRA_ANGULAR_32 
INTRA_ANGULAR_33 
INTRA_ANGULAR_34 
VERT_PRED 
HOR_PRED 
DC_PRED 
DIAG_DOWN_LEFT_PRED 
DIAG_DOWN_RIGHT_PRED 
VERT_RIGHT_PRED 
HOR_DOWN_PRED 
VERT_LEFT_PRED 
HOR_UP_PRED 
TM_VP8_PRED 
LEFT_DC_PRED 
TOP_DC_PRED 
DC_128_PRED 
DC_127_PRED 
DC_129_PRED 
N_INTRA_PRED_MODES 
INTRA_INVALID 
INTRA_PLANAR 
INTRA_DC 
INTRA_HORZ 
INTRA_DIAG 
INTRA_VERT 
INTRA_VDIAG 
INTRA_LT_CCLM 
INTRA_L_CCLM 
INTRA_T_CCLM 

Definition at line 171 of file hevcdec.h.

◆ SAOType

enum SAOType
Enumerator
SAO_NOT_APPLIED 
SAO_BAND 
SAO_EDGE 
SAO_APPLIED 
SAO_NOT_APPLIED 
SAO_BAND 
SAO_EDGE 

Definition at line 209 of file hevcdec.h.

◆ SAOEOClass

enum SAOEOClass
Enumerator
SAO_EO_HORIZ 
SAO_EO_VERT 
SAO_EO_135D 
SAO_EO_45D 
SAO_EO_HORIZ 
SAO_EO_VERT 
SAO_EO_135D 
SAO_EO_45D 

Definition at line 216 of file hevcdec.h.

◆ ScanType

enum ScanType
Enumerator
SCAN_DIAG 
SCAN_HORIZ 
SCAN_VERT 

Definition at line 223 of file hevcdec.h.

Function Documentation

◆ ff_hevc_clear_refs()

void ff_hevc_clear_refs ( HEVCContext s)

Mark all frames in DPB as unused for reference.

Definition at line 66 of file hevc_refs.c.

Referenced by hls_slice_header().

◆ ff_hevc_flush_dpb()

void ff_hevc_flush_dpb ( HEVCContext s)

Drop all frames currently in DPB.

Definition at line 75 of file hevc_refs.c.

Referenced by hevc_decode_flush().

◆ ff_hevc_get_ref_list()

const RefPicList* ff_hevc_get_ref_list ( const HEVCContext s,
const HEVCFrame frame,
int  x0,
int  y0 
)

Definition at line 56 of file hevc_refs.c.

Referenced by ff_hevc_deblocking_boundary_strengths().

◆ ff_hevc_frame_rps()

int ff_hevc_frame_rps ( HEVCContext s)

Construct the reference picture sets for the current frame.

Definition at line 473 of file hevc_refs.c.

Referenced by hevc_frame_start().

◆ ff_hevc_slice_rpl()

int ff_hevc_slice_rpl ( HEVCContext s)

Construct the reference picture list(s) for the current slice.

Definition at line 306 of file hevc_refs.c.

Referenced by decode_nal_unit().

◆ ff_hevc_save_states()

void ff_hevc_save_states ( HEVCLocalContext lc,
int  ctb_addr_ts 
)

Definition at line 450 of file hevc_cabac.c.

Referenced by hls_decode_entry(), and hls_decode_entry_wpp().

◆ ff_hevc_cabac_init()

int ff_hevc_cabac_init ( HEVCLocalContext lc,
int  ctb_addr_ts 
)

Definition at line 512 of file hevc_cabac.c.

Referenced by hls_decode_entry(), and hls_decode_entry_wpp().

◆ ff_hevc_sao_merge_flag_decode()

int ff_hevc_sao_merge_flag_decode ( HEVCLocalContext lc)

Definition at line 571 of file hevc_cabac.c.

Referenced by hls_sao_param().

◆ ff_hevc_sao_type_idx_decode()

int ff_hevc_sao_type_idx_decode ( HEVCLocalContext lc)

Definition at line 576 of file hevc_cabac.c.

Referenced by hls_sao_param().

◆ ff_hevc_sao_band_position_decode()

int ff_hevc_sao_band_position_decode ( HEVCLocalContext lc)

Definition at line 586 of file hevc_cabac.c.

Referenced by hls_sao_param().

◆ ff_hevc_sao_offset_abs_decode()

int ff_hevc_sao_offset_abs_decode ( HEVCLocalContext lc)

Definition at line 596 of file hevc_cabac.c.

Referenced by hls_sao_param().

◆ ff_hevc_sao_offset_sign_decode()

int ff_hevc_sao_offset_sign_decode ( HEVCLocalContext lc)

Definition at line 606 of file hevc_cabac.c.

Referenced by hls_sao_param().

◆ ff_hevc_sao_eo_class_decode()

int ff_hevc_sao_eo_class_decode ( HEVCLocalContext lc)

Definition at line 611 of file hevc_cabac.c.

Referenced by hls_sao_param().

◆ ff_hevc_end_of_slice_flag_decode()

int ff_hevc_end_of_slice_flag_decode ( HEVCLocalContext lc)

Definition at line 618 of file hevc_cabac.c.

Referenced by hls_coding_quadtree().

◆ ff_hevc_cu_transquant_bypass_flag_decode()

int ff_hevc_cu_transquant_bypass_flag_decode ( HEVCLocalContext lc)

Definition at line 623 of file hevc_cabac.c.

Referenced by hls_coding_unit().

◆ ff_hevc_skip_flag_decode()

int ff_hevc_skip_flag_decode ( HEVCLocalContext lc,
int  x0,
int  y0,
int  x_cb,
int  y_cb 
)

Definition at line 628 of file hevc_cabac.c.

Referenced by hls_coding_unit().

◆ ff_hevc_pred_mode_decode()

int ff_hevc_pred_mode_decode ( HEVCLocalContext lc)

Definition at line 692 of file hevc_cabac.c.

Referenced by hls_coding_unit().

◆ ff_hevc_split_coding_unit_flag_decode()

int ff_hevc_split_coding_unit_flag_decode ( HEVCLocalContext lc,
int  ct_depth,
int  x0,
int  y0 
)

Definition at line 697 of file hevc_cabac.c.

Referenced by hls_coding_quadtree().

◆ ff_hevc_part_mode_decode()

int ff_hevc_part_mode_decode ( HEVCLocalContext lc,
int  log2_cb_size 
)

Definition at line 718 of file hevc_cabac.c.

Referenced by hls_coding_unit().

◆ ff_hevc_pcm_flag_decode()

int ff_hevc_pcm_flag_decode ( HEVCLocalContext lc)

Definition at line 755 of file hevc_cabac.c.

Referenced by hls_coding_unit().

◆ ff_hevc_prev_intra_luma_pred_flag_decode()

int ff_hevc_prev_intra_luma_pred_flag_decode ( HEVCLocalContext lc)

Definition at line 760 of file hevc_cabac.c.

Referenced by intra_prediction_unit().

◆ ff_hevc_mpm_idx_decode()

int ff_hevc_mpm_idx_decode ( HEVCLocalContext lc)

Definition at line 765 of file hevc_cabac.c.

Referenced by intra_prediction_unit().

◆ ff_hevc_rem_intra_luma_pred_mode_decode()

int ff_hevc_rem_intra_luma_pred_mode_decode ( HEVCLocalContext lc)

Definition at line 773 of file hevc_cabac.c.

Referenced by intra_prediction_unit().

◆ ff_hevc_intra_chroma_pred_mode_decode()

int ff_hevc_intra_chroma_pred_mode_decode ( HEVCLocalContext lc)

Definition at line 783 of file hevc_cabac.c.

Referenced by intra_prediction_unit().

◆ ff_hevc_merge_idx_decode()

int ff_hevc_merge_idx_decode ( HEVCLocalContext lc)

Definition at line 794 of file hevc_cabac.c.

Referenced by hls_prediction_unit().

◆ ff_hevc_merge_flag_decode()

int ff_hevc_merge_flag_decode ( HEVCLocalContext lc)

Definition at line 805 of file hevc_cabac.c.

Referenced by hls_prediction_unit().

◆ ff_hevc_inter_pred_idc_decode()

int ff_hevc_inter_pred_idc_decode ( HEVCLocalContext lc,
int  nPbW,
int  nPbH 
)

Definition at line 810 of file hevc_cabac.c.

Referenced by hevc_luma_mv_mvp_mode().

◆ ff_hevc_ref_idx_lx_decode()

int ff_hevc_ref_idx_lx_decode ( HEVCLocalContext lc,
int  num_ref_idx_lx 
)

Definition at line 820 of file hevc_cabac.c.

Referenced by hevc_luma_mv_mvp_mode().

◆ ff_hevc_mvp_lx_flag_decode()

int ff_hevc_mvp_lx_flag_decode ( HEVCLocalContext lc)

Definition at line 836 of file hevc_cabac.c.

Referenced by hevc_luma_mv_mvp_mode().

◆ ff_hevc_no_residual_syntax_flag_decode()

int ff_hevc_no_residual_syntax_flag_decode ( HEVCLocalContext lc)

Definition at line 841 of file hevc_cabac.c.

Referenced by hls_coding_unit().

◆ ff_hevc_split_transform_flag_decode()

int ff_hevc_split_transform_flag_decode ( HEVCLocalContext lc,
int  log2_trafo_size 
)

Definition at line 879 of file hevc_cabac.c.

Referenced by hls_transform_tree().

◆ ff_hevc_cbf_cb_cr_decode()

int ff_hevc_cbf_cb_cr_decode ( HEVCLocalContext lc,
int  trafo_depth 
)

Definition at line 884 of file hevc_cabac.c.

Referenced by hls_transform_tree().

◆ ff_hevc_cbf_luma_decode()

int ff_hevc_cbf_luma_decode ( HEVCLocalContext lc,
int  trafo_depth 
)

Definition at line 889 of file hevc_cabac.c.

Referenced by hls_transform_tree().

◆ ff_hevc_log2_res_scale_abs()

int ff_hevc_log2_res_scale_abs ( HEVCLocalContext lc,
int  idx 
)

Definition at line 909 of file hevc_cabac.c.

Referenced by hls_cross_component_pred().

◆ ff_hevc_res_scale_sign_flag()

int ff_hevc_res_scale_sign_flag ( HEVCLocalContext lc,
int  idx 
)

Definition at line 919 of file hevc_cabac.c.

Referenced by hls_cross_component_pred().

◆ ff_hevc_frame_nb_refs()

int ff_hevc_frame_nb_refs ( const HEVCContext s)

Get the number of candidate references for the current frame.

Definition at line 535 of file hevc_refs.c.

Referenced by hls_slice_header(), nvdec_hevc_start_frame(), and vdpau_hevc_start_frame().

◆ ff_hevc_set_new_ref()

int ff_hevc_set_new_ref ( HEVCContext s,
AVFrame **  frame,
int  poc 
)

Definition at line 130 of file hevc_refs.c.

Referenced by hevc_frame_start().

◆ ff_hevc_nal_is_nonref()

static av_always_inline int ff_hevc_nal_is_nonref ( enum HEVCNALUnitType  type)
static

Definition at line 666 of file hevcdec.h.

Referenced by decode_nal_units(), and ff_hevc_hls_filter().

◆ ff_hevc_output_frame()

int ff_hevc_output_frame ( HEVCContext s,
AVFrame frame,
int  flush 
)

Find next frame in output order and put a reference to it in frame.

Returns
1 if a frame was output, 0 otherwise

Definition at line 180 of file hevc_refs.c.

Referenced by hevc_decode_frame(), and hevc_frame_start().

◆ ff_hevc_bump_frame()

void ff_hevc_bump_frame ( HEVCContext s)

Definition at line 248 of file hevc_refs.c.

Referenced by hevc_frame_start().

◆ ff_hevc_unref_frame()

void ff_hevc_unref_frame ( HEVCFrame frame,
int  flags 
)

◆ ff_hevc_set_neighbour_available()

void ff_hevc_set_neighbour_available ( HEVCLocalContext lc,
int  x0,
int  y0,
int  nPbW,
int  nPbH 
)

◆ ff_hevc_luma_mv_merge_mode()

void ff_hevc_luma_mv_merge_mode ( HEVCLocalContext lc,
int  x0,
int  y0,
int  nPbW,
int  nPbH,
int  log2_cb_size,
int  part_idx,
int  merge_idx,
MvField mv 
)

Definition at line 480 of file hevc_mvs.c.

Referenced by hls_prediction_unit().

◆ ff_hevc_luma_mv_mvp_mode()

void ff_hevc_luma_mv_mvp_mode ( HEVCLocalContext lc,
int  x0,
int  y0,
int  nPbW,
int  nPbH,
int  log2_cb_size,
int  part_idx,
int  merge_idx,
MvField mv,
int  mvp_lx_flag,
int  LX 
)

Definition at line 583 of file hevc_mvs.c.

Referenced by hevc_luma_mv_mvp_mode().

◆ ff_hevc_hls_filter()

void ff_hevc_hls_filter ( HEVCLocalContext lc,
int  x,
int  y,
int  ctb_size 
)

Definition at line 851 of file hevc_filter.c.

Referenced by ff_hevc_hls_filters(), hls_decode_entry(), and hls_decode_entry_wpp().

◆ ff_hevc_hls_filters()

void ff_hevc_hls_filters ( HEVCLocalContext lc,
int  x_ctb,
int  y_ctb,
int  ctb_size 
)

Definition at line 888 of file hevc_filter.c.

Referenced by hls_decode_entry(), and hls_decode_entry_wpp().

◆ ff_hevc_set_qPy()

void ff_hevc_set_qPy ( HEVCLocalContext lc,
int  xBase,
int  yBase,
int  log2_cb_size 
)

Definition at line 119 of file hevc_filter.c.

Referenced by hls_coding_unit(), and hls_transform_unit().

◆ ff_hevc_deblocking_boundary_strengths()

void ff_hevc_deblocking_boundary_strengths ( HEVCLocalContext lc,
int  x0,
int  y0,
int  log2_trafo_size 
)

Definition at line 723 of file hevc_filter.c.

Referenced by hls_coding_unit(), hls_pcm_sample(), and hls_transform_tree().

◆ ff_hevc_cu_qp_delta_sign_flag()

int ff_hevc_cu_qp_delta_sign_flag ( HEVCLocalContext lc)

Definition at line 671 of file hevc_cabac.c.

Referenced by hls_transform_unit().

◆ ff_hevc_cu_qp_delta_abs()

int ff_hevc_cu_qp_delta_abs ( HEVCLocalContext lc)

Definition at line 644 of file hevc_cabac.c.

Referenced by hls_transform_unit().

◆ ff_hevc_cu_chroma_qp_offset_flag()

int ff_hevc_cu_chroma_qp_offset_flag ( HEVCLocalContext lc)

Definition at line 676 of file hevc_cabac.c.

Referenced by hls_transform_unit().

◆ ff_hevc_cu_chroma_qp_offset_idx()

int ff_hevc_cu_chroma_qp_offset_idx ( HEVCLocalContext lc)

Definition at line 681 of file hevc_cabac.c.

Referenced by hls_transform_unit().

◆ ff_hevc_hls_residual_coding()

void ff_hevc_hls_residual_coding ( HEVCLocalContext lc,
int  x0,
int  y0,
int  log2_trafo_size,
enum ScanType  scan_idx,
int  c_idx 
)

Definition at line 1039 of file hevc_cabac.c.

Referenced by hls_transform_unit().

◆ ff_hevc_hls_mvd_coding()

void ff_hevc_hls_mvd_coding ( HEVCLocalContext lc,
int  x0,
int  y0,
int  log2_cb_size 
)

Definition at line 1549 of file hevc_cabac.c.

Referenced by hevc_luma_mv_mvp_mode().

Variable Documentation

◆ ff_hevc_qpel_extra_before

const uint8_t ff_hevc_qpel_extra_before[4]

◆ ff_hevc_qpel_extra_after

const uint8_t ff_hevc_qpel_extra_after[4]

◆ ff_hevc_qpel_extra

const uint8_t ff_hevc_qpel_extra[4]
HEVC_NAL_BLA_W_RADL
@ HEVC_NAL_BLA_W_RADL
Definition: hevc.h:46
HEVC_NAL_BLA_N_LP
@ HEVC_NAL_BLA_N_LP
Definition: hevc.h:47
s
#define s(width, name)
Definition: cbs_vp9.c:198
HEVC_NAL_BLA_W_LP
@ HEVC_NAL_BLA_W_LP
Definition: hevc.h:45