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hevc.h File Reference
#include "libavutil/buffer.h"
#include "libavutil/md5.h"
#include "avcodec.h"
#include "bswapdsp.h"
#include "cabac.h"
#include "get_bits.h"
#include "hevcpred.h"
#include "hevcdsp.h"
#include "internal.h"
#include "thread.h"
#include "videodsp.h"

Go to the source code of this file.

Data Structures

struct  ShortTermRPS
 
struct  LongTermRPS
 
struct  RefPicList
 
struct  RefPicListTab
 
struct  HEVCWindow
 
struct  VUI
 
struct  PTLCommon
 
struct  PTL
 
struct  HEVCVPS
 
struct  ScalingList
 
struct  HEVCSPS
 
struct  HEVCPPS
 
struct  HEVCParamSets
 
struct  SliceHeader
 
struct  CodingUnit
 
struct  Mv
 
struct  MvField
 
struct  NeighbourAvailable
 
struct  PredictionUnit
 
struct  TransformUnit
 
struct  DBParams
 
struct  HEVCFrame
 
struct  HEVCNAL
 
struct  HEVCPacket
 
struct  HEVCLocalContext
 
struct  HEVCContext
 

Macros

#define MAX_DPB_SIZE   16
 
#define MAX_REFS   16
 
#define MAX_NB_THREADS   16
 
#define SHIFT_CTB_WPP   2
 
#define MAX_SUB_LAYERS   7
 7.4.2.1 More...
 
#define MAX_VPS_COUNT   16
 
#define MAX_SPS_COUNT   32
 
#define MAX_PPS_COUNT   256
 
#define MAX_SHORT_TERM_RPS_COUNT   64
 
#define MAX_CU_SIZE   128
 
#define MAX_TRANSFORM_DEPTH   5
 
#define MAX_TB_SIZE   32
 
#define MAX_LOG2_CTB_SIZE   6
 
#define MAX_QP   51
 
#define DEFAULT_INTRA_TC_OFFSET   2
 
#define HEVC_CONTEXTS   199
 
#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 == NAL_IDR_W_RADL || (s)->nal_unit_type == NAL_IDR_N_LP)
 
#define IS_BLA(s)
 
#define IS_IRAP(s)   ((s)->nal_unit_type >= 16 && (s)->nal_unit_type <= 23)
 
#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 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  NALUnitType {
  NAL_TRAIL_N = 0, NAL_TRAIL_R = 1, NAL_TSA_N = 2, NAL_TSA_R = 3,
  NAL_STSA_N = 4, NAL_STSA_R = 5, NAL_RADL_N = 6, NAL_RADL_R = 7,
  NAL_RASL_N = 8, NAL_RASL_R = 9, NAL_BLA_W_LP = 16, NAL_BLA_W_RADL = 17,
  NAL_BLA_N_LP = 18, NAL_IDR_W_RADL = 19, NAL_IDR_N_LP = 20, NAL_CRA_NUT = 21,
  NAL_VPS = 32, NAL_SPS = 33, NAL_PPS = 34, NAL_AUD = 35,
  NAL_EOS_NUT = 36, NAL_EOB_NUT = 37, NAL_FD_NUT = 38, NAL_SEI_PREFIX = 39,
  NAL_SEI_SUFFIX = 40
}
 Table 7-3: NAL unit type codes. More...
 
enum  RPSType {
  ST_CURR_BEF = 0, ST_CURR_AFT, ST_FOLL, LT_CURR,
  LT_FOLL, NB_RPS_TYPE
}
 
enum  SliceType { B_SLICE = 0, P_SLICE = 1, I_SLICE = 2 }
 
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
}
 
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 }
 
enum  InterPredIdc { PRED_L0 = 0, PRED_L1, PRED_BI }
 
enum  PredFlag { PF_INTRA = 0, PF_L0, PF_L1, PF_BI }
 
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
}
 
enum  SAOType { SAO_NOT_APPLIED = 0, SAO_BAND, SAO_EDGE, SAO_APPLIED }
 
enum  SAOEOClass { SAO_EO_HORIZ = 0, SAO_EO_VERT, SAO_EO_135D, SAO_EO_45D }
 
enum  ScanType { SCAN_DIAG = 0, SCAN_HORIZ, SCAN_VERT }
 

Functions

int ff_hevc_decode_short_term_rps (GetBitContext *gb, AVCodecContext *avctx, ShortTermRPS *rps, const HEVCSPS *sps, int is_slice_header)
 
int ff_hevc_parse_sps (HEVCSPS *sps, GetBitContext *gb, unsigned int *sps_id, int apply_defdispwin, AVBufferRef **vps_list, AVCodecContext *avctx)
 Parse the SPS from the bitstream into the provided HEVCSPS struct. More...
 
int ff_hevc_decode_nal_vps (GetBitContext *gb, AVCodecContext *avctx, HEVCParamSets *ps)
 
int ff_hevc_decode_nal_sps (GetBitContext *gb, AVCodecContext *avctx, HEVCParamSets *ps, int apply_defdispwin)
 
int ff_hevc_decode_nal_pps (GetBitContext *gb, AVCodecContext *avctx, HEVCParamSets *ps)
 
int ff_hevc_decode_nal_sei (HEVCContext *s)
 
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...
 
int ff_hevc_compute_poc (HEVCContext *s, int poc_lsb)
 Compute POC of the current frame and return it. More...
 
RefPicListff_hevc_get_ref_list (HEVCContext *s, 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 (HEVCContext *s, int ctb_addr_ts)
 
void ff_hevc_cabac_init (HEVCContext *s, int ctb_addr_ts)
 
int ff_hevc_sao_merge_flag_decode (HEVCContext *s)
 
int ff_hevc_sao_type_idx_decode (HEVCContext *s)
 
int ff_hevc_sao_band_position_decode (HEVCContext *s)
 
int ff_hevc_sao_offset_abs_decode (HEVCContext *s)
 
int ff_hevc_sao_offset_sign_decode (HEVCContext *s)
 
int ff_hevc_sao_eo_class_decode (HEVCContext *s)
 
int ff_hevc_end_of_slice_flag_decode (HEVCContext *s)
 
int ff_hevc_cu_transquant_bypass_flag_decode (HEVCContext *s)
 
int ff_hevc_skip_flag_decode (HEVCContext *s, int x0, int y0, int x_cb, int y_cb)
 
int ff_hevc_pred_mode_decode (HEVCContext *s)
 
int ff_hevc_split_coding_unit_flag_decode (HEVCContext *s, int ct_depth, int x0, int y0)
 
int ff_hevc_part_mode_decode (HEVCContext *s, int log2_cb_size)
 
int ff_hevc_pcm_flag_decode (HEVCContext *s)
 
int ff_hevc_prev_intra_luma_pred_flag_decode (HEVCContext *s)
 
int ff_hevc_mpm_idx_decode (HEVCContext *s)
 
int ff_hevc_rem_intra_luma_pred_mode_decode (HEVCContext *s)
 
int ff_hevc_intra_chroma_pred_mode_decode (HEVCContext *s)
 
int ff_hevc_merge_idx_decode (HEVCContext *s)
 
int ff_hevc_merge_flag_decode (HEVCContext *s)
 
int ff_hevc_inter_pred_idc_decode (HEVCContext *s, int nPbW, int nPbH)
 
int ff_hevc_ref_idx_lx_decode (HEVCContext *s, int num_ref_idx_lx)
 
int ff_hevc_mvp_lx_flag_decode (HEVCContext *s)
 
int ff_hevc_no_residual_syntax_flag_decode (HEVCContext *s)
 
int ff_hevc_split_transform_flag_decode (HEVCContext *s, int log2_trafo_size)
 
int ff_hevc_cbf_cb_cr_decode (HEVCContext *s, int trafo_depth)
 
int ff_hevc_cbf_luma_decode (HEVCContext *s, int trafo_depth)
 
int ff_hevc_log2_res_scale_abs (HEVCContext *s, int idx)
 
int ff_hevc_res_scale_sign_flag (HEVCContext *s, int idx)
 
int ff_hevc_frame_nb_refs (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)
 
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 (HEVCContext *s, HEVCFrame *frame, int flags)
 
void ff_hevc_set_neighbour_available (HEVCContext *s, int x0, int y0, int nPbW, int nPbH)
 
void ff_hevc_luma_mv_merge_mode (HEVCContext *s, 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 (HEVCContext *s, 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_set_qPy (HEVCContext *s, int xBase, int yBase, int log2_cb_size)
 
void ff_hevc_deblocking_boundary_strengths (HEVCContext *s, int x0, int y0, int log2_trafo_size)
 
int ff_hevc_cu_qp_delta_sign_flag (HEVCContext *s)
 
int ff_hevc_cu_qp_delta_abs (HEVCContext *s)
 
int ff_hevc_cu_chroma_qp_offset_flag (HEVCContext *s)
 
int ff_hevc_cu_chroma_qp_offset_idx (HEVCContext *s)
 
void ff_hevc_hls_filter (HEVCContext *s, int x, int y, int ctb_size)
 
void ff_hevc_hls_filters (HEVCContext *s, int x_ctb, int y_ctb, int ctb_size)
 
void ff_hevc_hls_residual_coding (HEVCContext *s, int x0, int y0, int log2_trafo_size, enum ScanType scan_idx, int c_idx)
 
void ff_hevc_hls_mvd_coding (HEVCContext *s, int x0, int y0, int log2_cb_size)
 
int ff_hevc_extract_rbsp (HEVCContext *s, const uint8_t *src, int length, HEVCNAL *nal)
 Extract the raw (unescaped) HEVC bitstream. More...
 
int ff_hevc_split_packet (HEVCContext *s, HEVCPacket *pkt, const uint8_t *buf, int length, AVCodecContext *avctx, int is_nalff, int nal_length_size)
 Split an input packet into NAL units. More...
 
int ff_hevc_encode_nal_vps (HEVCVPS *vps, unsigned int id, uint8_t *buf, int buf_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]
 
const uint8_t ff_hevc_diag_scan4x4_x [16]
 
const uint8_t ff_hevc_diag_scan4x4_y [16]
 
const uint8_t ff_hevc_diag_scan8x8_x [64]
 
const uint8_t ff_hevc_diag_scan8x8_y [64]
 

Macro Definition Documentation

#define MAX_DPB_SIZE   16

Definition at line 39 of file hevc.h.

Referenced by ff_hevc_decode_nal_vps(), and ff_hevc_parse_sps().

#define MAX_REFS   16

Definition at line 40 of file hevc.h.

Referenced by ff_hevc_decode_short_term_rps(), ff_hevc_slice_rpl(), and hls_slice_header().

#define MAX_NB_THREADS   16

Definition at line 42 of file hevc.h.

#define SHIFT_CTB_WPP   2

Definition at line 43 of file hevc.h.

Referenced by hls_decode_entry_wpp().

#define MAX_SUB_LAYERS   7

7.4.2.1

Definition at line 48 of file hevc.h.

Referenced by ff_hevc_decode_nal_vps(), ff_hevc_parse_sps(), generate_fake_vps(), and hvcc_parse_ptl().

#define MAX_VPS_COUNT   16

Definition at line 49 of file hevc.h.

Referenced by ff_hevc_decode_nal_vps(), ff_hevc_parse_sps(), and hvcc_write().

#define MAX_SPS_COUNT   32

Definition at line 50 of file hevc.h.

#define MAX_PPS_COUNT   256

Definition at line 51 of file hevc.h.

#define MAX_SHORT_TERM_RPS_COUNT   64

Definition at line 52 of file hevc.h.

Referenced by ff_hevc_parse_sps(), and hvcc_parse_sps().

#define MAX_CU_SIZE   128

Definition at line 53 of file hevc.h.

#define MAX_TRANSFORM_DEPTH   5

Definition at line 56 of file hevc.h.

#define MAX_TB_SIZE   32

Definition at line 58 of file hevc.h.

Referenced by intra_pred(), and pred_angular().

#define MAX_LOG2_CTB_SIZE   6

Definition at line 59 of file hevc.h.

Referenced by ff_hevc_parse_sps().

#define MAX_QP   51

Definition at line 60 of file hevc.h.

Referenced by deblocking_filter_CTB().

#define DEFAULT_INTRA_TC_OFFSET   2

Definition at line 61 of file hevc.h.

Referenced by chroma_tc().

#define HEVC_CONTEXTS   199

Definition at line 63 of file hevc.h.

Referenced by cabac_init_state(), ff_hevc_save_states(), hevc_init_context(), and load_states().

#define MRG_MAX_NUM_CANDS   5

Definition at line 65 of file hevc.h.

Referenced by ff_hevc_luma_mv_merge_mode().

#define L0   0
#define L1   1
#define EPEL_EXTRA_BEFORE   1
#define EPEL_EXTRA_AFTER   2

Definition at line 71 of file hevc.h.

Referenced by chroma_mc_bi(), and chroma_mc_uni().

#define EPEL_EXTRA   3
#define QPEL_EXTRA_BEFORE   3
#define QPEL_EXTRA_AFTER   4

Definition at line 74 of file hevc.h.

Referenced by luma_mc_bi(), and luma_mc_uni().

#define QPEL_EXTRA   7
#define EDGE_EMU_BUFFER_STRIDE   80

Definition at line 77 of file hevc.h.

Referenced by chroma_mc_bi(), chroma_mc_uni(), luma_mc_bi(), and luma_mc_uni().

#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 82 of file hevc.h.

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

Definition at line 83 of file hevc.h.

Referenced by ff_hevc_skip_flag_decode(), hls_coding_unit(), and hls_prediction_unit().

#define IS_IDR (   s)    ((s)->nal_unit_type == NAL_IDR_W_RADL || (s)->nal_unit_type == NAL_IDR_N_LP)
#define IS_BLA (   s)
Value:
((s)->nal_unit_type == NAL_BLA_W_RADL || (s)->nal_unit_type == NAL_BLA_W_LP || \
(s)->nal_unit_type == NAL_BLA_N_LP)
const char * s
Definition: avisynth_c.h:631

Definition at line 86 of file hevc.h.

Referenced by decode_nal_unit(), find_ref_idx(), and hls_slice_header().

#define IS_IRAP (   s)    ((s)->nal_unit_type >= 16 && (s)->nal_unit_type <= 23)
#define HEVC_FRAME_FLAG_OUTPUT   (1 << 0)

Definition at line 713 of file hevc.h.

Referenced by ff_hevc_bump_frame(), ff_hevc_output_frame(), and ff_hevc_set_new_ref().

#define HEVC_FRAME_FLAG_SHORT_REF   (1 << 1)
#define HEVC_FRAME_FLAG_LONG_REF   (1 << 2)
#define HEVC_FRAME_FLAG_BUMPING   (1 << 3)

Definition at line 716 of file hevc.h.

Referenced by ff_hevc_bump_frame(), and ff_hevc_output_frame().

#define BOUNDARY_LEFT_SLICE   (1 << 0)

Definition at line 810 of file hevc.h.

Referenced by ff_hevc_deblocking_boundary_strengths(), and hls_decode_neighbour().

#define BOUNDARY_LEFT_TILE   (1 << 1)

Definition at line 811 of file hevc.h.

Referenced by ff_hevc_deblocking_boundary_strengths(), and hls_decode_neighbour().

#define BOUNDARY_UPPER_SLICE   (1 << 2)

Definition at line 812 of file hevc.h.

Referenced by ff_hevc_deblocking_boundary_strengths(), and hls_decode_neighbour().

#define BOUNDARY_UPPER_TILE   (1 << 3)

Definition at line 813 of file hevc.h.

Referenced by ff_hevc_deblocking_boundary_strengths(), and hls_decode_neighbour().

Enumeration Type Documentation

Table 7-3: NAL unit type codes.

Enumerator
NAL_TRAIL_N 
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_BLA_W_LP 
NAL_BLA_W_RADL 
NAL_BLA_N_LP 
NAL_IDR_W_RADL 
NAL_IDR_N_LP 
NAL_CRA_NUT 
NAL_VPS 
NAL_SPS 
NAL_PPS 
NAL_AUD 
NAL_EOS_NUT 
NAL_EOB_NUT 
NAL_FD_NUT 
NAL_SEI_PREFIX 
NAL_SEI_SUFFIX 

Definition at line 93 of file hevc.h.

enum RPSType
Enumerator
ST_CURR_BEF 
ST_CURR_AFT 
ST_FOLL 
LT_CURR 
LT_FOLL 
NB_RPS_TYPE 

Definition at line 121 of file hevc.h.

enum SliceType
Enumerator
B_SLICE 
P_SLICE 
I_SLICE 

Definition at line 130 of file hevc.h.

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 

Definition at line 136 of file hevc.h.

enum PartMode
Enumerator
PART_2Nx2N 
PART_2NxN 
PART_Nx2N 
PART_NxN 
PART_2NxnU 
PART_2NxnD 
PART_nLx2N 
PART_nRx2N 

Definition at line 188 of file hevc.h.

enum PredMode
Enumerator
MODE_INTER 
MODE_INTRA 
MODE_SKIP 

Definition at line 199 of file hevc.h.

Enumerator
PRED_L0 
PRED_L1 
PRED_BI 

Definition at line 205 of file hevc.h.

enum PredFlag
Enumerator
PF_INTRA 
PF_L0 
PF_L1 
PF_BI 

Definition at line 211 of file hevc.h.

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 

Definition at line 218 of file hevc.h.

enum SAOType
Enumerator
SAO_NOT_APPLIED 
SAO_BAND 
SAO_EDGE 
SAO_APPLIED 

Definition at line 256 of file hevc.h.

enum SAOEOClass
Enumerator
SAO_EO_HORIZ 
SAO_EO_VERT 
SAO_EO_135D 
SAO_EO_45D 

Definition at line 263 of file hevc.h.

enum ScanType
Enumerator
SCAN_DIAG 
SCAN_HORIZ 
SCAN_VERT 

Definition at line 270 of file hevc.h.

Function Documentation

int ff_hevc_decode_short_term_rps ( GetBitContext gb,
AVCodecContext avctx,
ShortTermRPS rps,
const HEVCSPS sps,
int  is_slice_header 
)

Definition at line 110 of file hevc_ps.c.

Referenced by ff_hevc_parse_sps(), and hls_slice_header().

int ff_hevc_parse_sps ( HEVCSPS sps,
GetBitContext gb,
unsigned int *  sps_id,
int  apply_defdispwin,
AVBufferRef **  vps_list,
AVCodecContext avctx 
)

Parse the SPS from the bitstream into the provided HEVCSPS struct.

Parameters
sps_idthe SPS id will be written here
apply_defdispwinif set 1, the default display window from the VUI will be applied to the video dimensions
vps_listif non-NULL, this function will validate that the SPS refers to an existing VPS

Definition at line 800 of file hevc_ps.c.

Referenced by ff_hevc_decode_nal_sps(), and generate_fake_vps().

int ff_hevc_decode_nal_vps ( GetBitContext gb,
AVCodecContext avctx,
HEVCParamSets ps 
)

Definition at line 397 of file hevc_ps.c.

Referenced by decode_nal_unit(), and parse_nal_units().

int ff_hevc_decode_nal_sps ( GetBitContext gb,
AVCodecContext avctx,
HEVCParamSets ps,
int  apply_defdispwin 
)

Definition at line 1158 of file hevc_ps.c.

Referenced by decode_nal_unit(), and parse_nal_units().

int ff_hevc_decode_nal_pps ( GetBitContext gb,
AVCodecContext avctx,
HEVCParamSets ps 
)

Definition at line 1389 of file hevc_ps.c.

Referenced by decode_nal_unit(), and parse_nal_units().

int ff_hevc_decode_nal_sei ( HEVCContext s)

Definition at line 365 of file hevc_sei.c.

Referenced by decode_nal_unit().

void ff_hevc_clear_refs ( HEVCContext s)

Mark all frames in DPB as unused for reference.

Definition at line 65 of file hevc_refs.c.

Referenced by hls_slice_header().

void ff_hevc_flush_dpb ( HEVCContext s)

Drop all frames currently in DPB.

Definition at line 74 of file hevc_refs.c.

Referenced by hevc_decode_flush().

int ff_hevc_compute_poc ( HEVCContext s,
int  poc_lsb 
)

Compute POC of the current frame and return it.

Definition at line 518 of file hevc_refs.c.

Referenced by hls_slice_header().

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

Definition at line 56 of file hevc_refs.c.

Referenced by ff_hevc_deblocking_boundary_strengths().

int ff_hevc_frame_rps ( HEVCContext s)

Construct the reference picture sets for the current frame.

Definition at line 458 of file hevc_refs.c.

Referenced by hevc_frame_start().

int ff_hevc_slice_rpl ( HEVCContext s)

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

Definition at line 298 of file hevc_refs.c.

Referenced by decode_nal_unit().

void ff_hevc_save_states ( HEVCContext s,
int  ctb_addr_ts 
)

Definition at line 448 of file hevc_cabac.c.

Referenced by hls_decode_entry(), and hls_decode_entry_wpp().

void ff_hevc_cabac_init ( HEVCContext s,
int  ctb_addr_ts 
)

Definition at line 502 of file hevc_cabac.c.

Referenced by hls_decode_entry(), and hls_decode_entry_wpp().

int ff_hevc_sao_merge_flag_decode ( HEVCContext s)

Definition at line 548 of file hevc_cabac.c.

Referenced by hls_sao_param().

int ff_hevc_sao_type_idx_decode ( HEVCContext s)

Definition at line 553 of file hevc_cabac.c.

Referenced by hls_sao_param().

int ff_hevc_sao_band_position_decode ( HEVCContext s)

Definition at line 563 of file hevc_cabac.c.

Referenced by hls_sao_param().

int ff_hevc_sao_offset_abs_decode ( HEVCContext s)

Definition at line 573 of file hevc_cabac.c.

Referenced by hls_sao_param().

int ff_hevc_sao_offset_sign_decode ( HEVCContext s)

Definition at line 583 of file hevc_cabac.c.

Referenced by hls_sao_param().

int ff_hevc_sao_eo_class_decode ( HEVCContext s)

Definition at line 588 of file hevc_cabac.c.

Referenced by hls_sao_param().

int ff_hevc_end_of_slice_flag_decode ( HEVCContext s)

Definition at line 595 of file hevc_cabac.c.

Referenced by hls_coding_quadtree().

int ff_hevc_cu_transquant_bypass_flag_decode ( HEVCContext s)

Definition at line 600 of file hevc_cabac.c.

Referenced by hls_coding_unit().

int ff_hevc_skip_flag_decode ( HEVCContext s,
int  x0,
int  y0,
int  x_cb,
int  y_cb 
)

Definition at line 605 of file hevc_cabac.c.

Referenced by hls_coding_unit().

int ff_hevc_pred_mode_decode ( HEVCContext s)

Definition at line 666 of file hevc_cabac.c.

Referenced by hls_coding_unit().

int ff_hevc_split_coding_unit_flag_decode ( HEVCContext s,
int  ct_depth,
int  x0,
int  y0 
)

Definition at line 671 of file hevc_cabac.c.

Referenced by hls_coding_quadtree().

int ff_hevc_part_mode_decode ( HEVCContext s,
int  log2_cb_size 
)

Definition at line 690 of file hevc_cabac.c.

Referenced by hls_coding_unit().

int ff_hevc_pcm_flag_decode ( HEVCContext s)

Definition at line 727 of file hevc_cabac.c.

Referenced by hls_coding_unit().

int ff_hevc_prev_intra_luma_pred_flag_decode ( HEVCContext s)

Definition at line 732 of file hevc_cabac.c.

Referenced by intra_prediction_unit().

int ff_hevc_mpm_idx_decode ( HEVCContext s)

Definition at line 737 of file hevc_cabac.c.

Referenced by intra_prediction_unit().

int ff_hevc_rem_intra_luma_pred_mode_decode ( HEVCContext s)

Definition at line 745 of file hevc_cabac.c.

Referenced by intra_prediction_unit().

int ff_hevc_intra_chroma_pred_mode_decode ( HEVCContext s)

Definition at line 755 of file hevc_cabac.c.

Referenced by intra_prediction_unit().

int ff_hevc_merge_idx_decode ( HEVCContext s)

Definition at line 766 of file hevc_cabac.c.

Referenced by hls_prediction_unit().

int ff_hevc_merge_flag_decode ( HEVCContext s)

Definition at line 777 of file hevc_cabac.c.

Referenced by hls_prediction_unit().

int ff_hevc_inter_pred_idc_decode ( HEVCContext s,
int  nPbW,
int  nPbH 
)

Definition at line 782 of file hevc_cabac.c.

Referenced by hevc_luma_mv_mvp_mode().

int ff_hevc_ref_idx_lx_decode ( HEVCContext s,
int  num_ref_idx_lx 
)

Definition at line 792 of file hevc_cabac.c.

Referenced by hevc_luma_mv_mvp_mode().

int ff_hevc_mvp_lx_flag_decode ( HEVCContext s)

Definition at line 808 of file hevc_cabac.c.

Referenced by hevc_luma_mv_mvp_mode().

int ff_hevc_no_residual_syntax_flag_decode ( HEVCContext s)

Definition at line 813 of file hevc_cabac.c.

Referenced by hls_coding_unit().

int ff_hevc_split_transform_flag_decode ( HEVCContext s,
int  log2_trafo_size 
)

Definition at line 851 of file hevc_cabac.c.

Referenced by hls_transform_tree().

int ff_hevc_cbf_cb_cr_decode ( HEVCContext s,
int  trafo_depth 
)

Definition at line 856 of file hevc_cabac.c.

Referenced by hls_transform_tree().

int ff_hevc_cbf_luma_decode ( HEVCContext s,
int  trafo_depth 
)

Definition at line 861 of file hevc_cabac.c.

Referenced by hls_transform_tree().

int ff_hevc_log2_res_scale_abs ( HEVCContext s,
int  idx 
)

Definition at line 881 of file hevc_cabac.c.

Referenced by hls_cross_component_pred().

int ff_hevc_res_scale_sign_flag ( HEVCContext s,
int  idx 
)

Definition at line 890 of file hevc_cabac.c.

Referenced by hls_cross_component_pred().

int ff_hevc_frame_nb_refs ( HEVCContext s)

Get the number of candidate references for the current frame.

Definition at line 541 of file hevc_refs.c.

Referenced by hls_slice_header(), and vdpau_hevc_start_frame().

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

Definition at line 134 of file hevc_refs.c.

Referenced by hevc_frame_start().

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 170 of file hevc_refs.c.

Referenced by hevc_decode_frame(), and hevc_frame_start().

void ff_hevc_bump_frame ( HEVCContext s)

Definition at line 240 of file hevc_refs.c.

Referenced by hevc_frame_start().

void ff_hevc_unref_frame ( HEVCContext s,
HEVCFrame frame,
int  flags 
)
void ff_hevc_set_neighbour_available ( HEVCContext s,
int  x0,
int  y0,
int  nPbW,
int  nPbH 
)
void ff_hevc_luma_mv_merge_mode ( HEVCContext s,
int  x0,
int  y0,
int  nPbW,
int  nPbH,
int  log2_cb_size,
int  part_idx,
int  merge_idx,
MvField mv 
)

Definition at line 478 of file hevc_mvs.c.

Referenced by hls_prediction_unit().

void ff_hevc_luma_mv_mvp_mode ( HEVCContext s,
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 581 of file hevc_mvs.c.

Referenced by hevc_luma_mv_mvp_mode().

void ff_hevc_set_qPy ( HEVCContext s,
int  xBase,
int  yBase,
int  log2_cb_size 
)

Definition at line 122 of file hevc_filter.c.

Referenced by hls_coding_unit(), and hls_transform_unit().

void ff_hevc_deblocking_boundary_strengths ( HEVCContext s,
int  x0,
int  y0,
int  log2_trafo_size 
)

Definition at line 715 of file hevc_filter.c.

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

int ff_hevc_cu_qp_delta_sign_flag ( HEVCContext s)

Definition at line 645 of file hevc_cabac.c.

Referenced by hls_transform_unit().

int ff_hevc_cu_qp_delta_abs ( HEVCContext s)

Definition at line 620 of file hevc_cabac.c.

Referenced by hls_transform_unit().

int ff_hevc_cu_chroma_qp_offset_flag ( HEVCContext s)

Definition at line 650 of file hevc_cabac.c.

Referenced by hls_transform_unit().

int ff_hevc_cu_chroma_qp_offset_idx ( HEVCContext s)

Definition at line 655 of file hevc_cabac.c.

Referenced by hls_transform_unit().

void ff_hevc_hls_filter ( HEVCContext s,
int  x,
int  y,
int  ctb_size 
)

Definition at line 843 of file hevc_filter.c.

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

void ff_hevc_hls_filters ( HEVCContext s,
int  x_ctb,
int  y_ctb,
int  ctb_size 
)

Definition at line 868 of file hevc_filter.c.

Referenced by hls_decode_entry(), and hls_decode_entry_wpp().

void ff_hevc_hls_residual_coding ( HEVCContext s,
int  x0,
int  y0,
int  log2_trafo_size,
enum ScanType  scan_idx,
int  c_idx 
)

Definition at line 1006 of file hevc_cabac.c.

Referenced by hls_transform_unit().

void ff_hevc_hls_mvd_coding ( HEVCContext s,
int  x0,
int  y0,
int  log2_cb_size 
)

Definition at line 1516 of file hevc_cabac.c.

Referenced by hevc_luma_mv_mvp_mode().

int ff_hevc_extract_rbsp ( HEVCContext s,
const uint8_t src,
int  length,
HEVCNAL nal 
)

Extract the raw (unescaped) HEVC bitstream.

Definition at line 32 of file hevc_parse.c.

Referenced by ff_hevc_split_packet(), and generate_fake_vps().

int ff_hevc_split_packet ( HEVCContext s,
HEVCPacket pkt,
const uint8_t buf,
int  length,
AVCodecContext avctx,
int  is_nalff,
int  nal_length_size 
)

Split an input packet into NAL units.

Definition at line 208 of file hevc_parse.c.

Referenced by decode_nal_units(), and parse_nal_units().

int ff_hevc_encode_nal_vps ( HEVCVPS vps,
unsigned int  id,
uint8_t buf,
int  buf_size 
)

Definition at line 66 of file hevc_ps_enc.c.

Referenced by generate_fake_vps().

Variable Documentation

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]
const uint8_t ff_hevc_diag_scan4x4_x[16]
const uint8_t ff_hevc_diag_scan4x4_y[16]
const uint8_t ff_hevc_diag_scan8x8_x[64]
const uint8_t ff_hevc_diag_scan8x8_y[64]