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cabac.c File Reference
#include "libavutil/attributes.h"
#include "libavutil/common.h"
#include "libavcodec/cabac_functions.h"
#include "data.h"
#include "hevc.h"
#include "hevcdec.h"

Go to the source code of this file.

Macros

#define CABAC_MAX_BIN   31
 
#define CABAC_ELEMS(ELEM)
 
#define OFFSET(NAME, NUM_BINS)
 
#define CNU   154
 
#define GET_CABAC(ctx)
 
#define GET_COORD(offset, n)
 

Enumerations

enum  
 Offset to ctxIdx 0 in init_values and states. More...
 

Functions

void ff_hevc_save_states (HEVCLocalContext *lc, const HEVCPPS *pps, int ctb_addr_ts)
 
static void load_states (HEVCLocalContext *lc, const HEVCSPS *sps)
 
static int cabac_reinit (HEVCLocalContext *lc)
 
static void cabac_init_state (HEVCLocalContext *lc, const HEVCContext *s)
 
int ff_hevc_cabac_init (HEVCLocalContext *lc, const HEVCPPS *pps, int ctb_addr_ts, const uint8_t *data, size_t size, int is_wpp)
 
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 bit_depth)
 
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, uint8_t *skip_flag, int x0, int y0, int x_cb, int y_cb, int min_cb_width)
 
int ff_hevc_cu_qp_delta_abs (HEVCLocalContext *lc)
 
int ff_hevc_cu_qp_delta_sign_flag (HEVCLocalContext *lc)
 
int ff_hevc_cu_chroma_qp_offset_flag (HEVCLocalContext *lc)
 
int ff_hevc_cu_chroma_qp_offset_idx (HEVCLocalContext *lc, int chroma_qp_offset_list_len_minus1)
 
int ff_hevc_pred_mode_decode (HEVCLocalContext *lc)
 
int ff_hevc_split_coding_unit_flag_decode (HEVCLocalContext *lc, uint8_t *tab_ct_depth, const HEVCSPS *sps, int ct_depth, int x0, int y0)
 
int ff_hevc_part_mode_decode (HEVCLocalContext *lc, const HEVCSPS *sps, 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)
 
static av_always_inline int abs_mvd_greater0_flag_decode (HEVCLocalContext *lc)
 
static av_always_inline int abs_mvd_greater1_flag_decode (HEVCLocalContext *lc)
 
static av_always_inline int mvd_decode (HEVCLocalContext *lc)
 
static av_always_inline int mvd_sign_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)
 
static int hevc_transform_skip_flag_decode (HEVCLocalContext *lc, int c_idx)
 
static int explicit_rdpcm_flag_decode (HEVCLocalContext *lc, int c_idx)
 
static int explicit_rdpcm_dir_flag_decode (HEVCLocalContext *lc, int c_idx)
 
int ff_hevc_log2_res_scale_abs (HEVCLocalContext *lc, int idx)
 
int ff_hevc_res_scale_sign_flag (HEVCLocalContext *lc, int idx)
 
static av_always_inline void last_significant_coeff_xy_prefix_decode (HEVCLocalContext *lc, int c_idx, int log2_size, int *last_scx_prefix, int *last_scy_prefix)
 
static av_always_inline int last_significant_coeff_suffix_decode (HEVCLocalContext *lc, int last_significant_coeff_prefix)
 
static av_always_inline int significant_coeff_group_flag_decode (HEVCLocalContext *lc, int c_idx, int ctx_cg)
 
static av_always_inline int significant_coeff_flag_decode (HEVCLocalContext *lc, int n, int offset, const uint8_t *ctx_idx_map)
 
static av_always_inline int significant_coeff_flag_decode_0 (HEVCLocalContext *lc, int c_idx, int offset)
 
static av_always_inline int coeff_abs_level_greater1_flag_decode (HEVCLocalContext *lc, int c_idx, int inc)
 
static av_always_inline int coeff_abs_level_greater2_flag_decode (HEVCLocalContext *lc, int c_idx, int inc)
 
static int cabac_bypass_bits (CABACContext *c, int n)
 
static int cabac_unary_prefix (CABACContext *c, int max)
 
static av_always_inline int coeff_abs_level_remaining_decode (HEVCLocalContext *lc, int rc_rice_param)
 
static av_always_inline int coeff_sign_flag_decode (HEVCLocalContext *lc, uint8_t nb)
 
void ff_hevc_hls_residual_coding (HEVCLocalContext *lc, const HEVCPPS *pps, 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

static const uint8_t init_values [3][HEVC_CONTEXTS]
 Indexed by init_type.
 
static const uint8_t scan_1x1 [1]
 
static const uint8_t horiz_scan2x2_x [4]
 
static const uint8_t horiz_scan2x2_y [4]
 
static const uint8_t horiz_scan4x4_x [16]
 
static const uint8_t horiz_scan4x4_y [16]
 
static const uint8_t horiz_scan8x8_inv [8][8]
 
static const uint8_t diag_scan2x2_x [4]
 
static const uint8_t diag_scan2x2_y [4]
 
static const uint8_t diag_scan2x2_inv [2][2]
 
static const uint8_t diag_scan4x4_inv [4][4]
 
static const uint8_t diag_scan8x8_inv [8][8]
 

Macro Definition Documentation

◆ CABAC_MAX_BIN

#define CABAC_MAX_BIN   31

Definition at line 32 of file cabac.c.

Referenced by coeff_abs_level_remaining_decode(), and mvd_decode().

◆ CABAC_ELEMS

#define CABAC_ELEMS ( ELEM)

Definition at line 35 of file cabac.c.

◆ OFFSET

#define OFFSET ( NAME,
NUM_BINS )
Value:
NAME ## _OFFSET, \
NAME ## _END = NAME ## _OFFSET + NUM_BINS - 1,

Definition at line 90 of file cabac.c.

◆ CNU

#define CNU   154

Definition at line 96 of file cabac.c.

◆ GET_CABAC

#define GET_CABAC ( ctx)
Value:
get_cabac(&lc->cc, &lc->cabac_state[ctx])
ctx
static AVFormatContext * ctx
Definition api-movenc-test.c:49
get_cabac
static av_unused int get_cabac(CABACContext *c, uint8_t *const state)
Definition cabac_functions.h:144

Definition at line 514 of file cabac.c.

Referenced by abs_level_gt1_flag_ts_decode(), abs_level_gtx_flag_decode(), abs_level_gtx_flag_ts_decode(), abs_mvd_greater0_flag_decode(), abs_mvd_greater1_flag_decode(), amvr_flag(), amvr_precision_idx(), coeff_abs_level_greater1_flag_decode(), coeff_abs_level_greater2_flag_decode(), coeff_sign_flag_ts_decode(), explicit_rdpcm_dir_flag_decode(), explicit_rdpcm_flag_decode(), ff_hevc_cbf_cb_cr_decode(), ff_hevc_cbf_luma_decode(), ff_hevc_cu_chroma_qp_offset_flag(), ff_hevc_cu_chroma_qp_offset_idx(), ff_hevc_cu_qp_delta_abs(), ff_hevc_cu_transquant_bypass_flag_decode(), ff_hevc_inter_pred_idc_decode(), ff_hevc_intra_chroma_pred_mode_decode(), ff_hevc_log2_res_scale_abs(), ff_hevc_merge_flag_decode(), ff_hevc_merge_idx_decode(), ff_hevc_mvp_lx_flag_decode(), ff_hevc_no_residual_syntax_flag_decode(), ff_hevc_part_mode_decode(), ff_hevc_pred_mode_decode(), ff_hevc_prev_intra_luma_pred_flag_decode(), ff_hevc_ref_idx_lx_decode(), ff_hevc_res_scale_sign_flag(), ff_hevc_sao_merge_flag_decode(), ff_hevc_sao_type_idx_decode(), ff_hevc_skip_flag_decode(), ff_hevc_split_coding_unit_flag_decode(), ff_hevc_split_transform_flag_decode(), ff_vvc_abs_mvd_greater0_flag(), ff_vvc_abs_mvd_greater1_flag(), ff_vvc_alf_ctb_cc_idc(), ff_vvc_alf_ctb_filter_alt_idx(), ff_vvc_alf_ctb_flag(), ff_vvc_alf_use_aps_flag(), ff_vvc_bcw_idx(), ff_vvc_cclm_mode_flag(), ff_vvc_cclm_mode_idx(), ff_vvc_ciip_flag(), ff_vvc_copy_above_palette_indices_flag(), ff_vvc_cu_act_enabled_flag(), ff_vvc_cu_affine_type_flag(), ff_vvc_cu_chroma_qp_offset_flag(), ff_vvc_cu_chroma_qp_offset_idx(), ff_vvc_cu_coded_flag(), ff_vvc_cu_qp_delta_abs(), ff_vvc_cu_skip_flag(), ff_vvc_general_merge_flag(), ff_vvc_inter_affine_flag(), ff_vvc_intra_bdpcm_chroma_dir_flag(), ff_vvc_intra_bdpcm_chroma_flag(), ff_vvc_intra_bdpcm_luma_dir_flag(), ff_vvc_intra_bdpcm_luma_flag(), ff_vvc_intra_chroma_pred_mode(), ff_vvc_intra_luma_mpm_flag(), ff_vvc_intra_luma_not_planar_flag(), ff_vvc_intra_luma_ref_idx(), ff_vvc_intra_mip_flag(), ff_vvc_intra_subpartitions_mode_flag(), ff_vvc_isp_split_type(), ff_vvc_lfnst_idx(), ff_vvc_merge_gpm_idx(), ff_vvc_merge_idx(), ff_vvc_merge_subblock_flag(), ff_vvc_merge_subblock_idx(), ff_vvc_mmvd_cand_flag(), ff_vvc_mmvd_merge_flag(), ff_vvc_mts_idx(), ff_vvc_mvp_lx_flag(), ff_vvc_non_inter_flag(), ff_vvc_palette_transpose_flag(), ff_vvc_pred_flag(), ff_vvc_pred_mode_flag(), ff_vvc_pred_mode_ibc_flag(), ff_vvc_pred_mode_plt_flag(), ff_vvc_ref_idx_lx(), ff_vvc_regular_merge_flag(), ff_vvc_run_copy_flag(), ff_vvc_sao_merge_flag_decode(), ff_vvc_sao_type_idx_decode(), ff_vvc_sbt_flag(), ff_vvc_sbt_horizontal_flag(), ff_vvc_sbt_pos_flag(), ff_vvc_sbt_quad_flag(), ff_vvc_split_cu_flag(), ff_vvc_sym_mvd_flag(), ff_vvc_transform_skip_flag(), ff_vvc_tu_cb_coded_flag(), ff_vvc_tu_cr_coded_flag(), ff_vvc_tu_joint_cbcr_residual_flag(), ff_vvc_tu_y_coded_flag(), hevc_transform_skip_flag_decode(), last_significant_coeff_xy_prefix(), last_significant_coeff_xy_prefix_decode(), mmvd_distance_idx_decode(), mtt_split_cu_binary_flag_decode(), mtt_split_cu_vertical_flag_decode(), par_level_flag_decode(), par_level_flag_ts_decode(), sb_coded_flag_decode(), sig_coeff_flag_decode(), significant_coeff_flag_decode(), significant_coeff_flag_decode_0(), significant_coeff_group_flag_decode(), and split_qt_flag_decode().

◆ GET_COORD

#define GET_COORD ( offset,
n )
Value:
do { \
x_c = (x_cg << 2) + scan_x_off[n]; \
y_c = (y_cg << 2) + scan_y_off[n]; \
} while (0)

Referenced by ff_hevc_hls_residual_coding().

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

Offset to ctxIdx 0 in init_values and states.

Definition at line 89 of file cabac.c.

Function Documentation

◆ ff_hevc_save_states()

void ff_hevc_save_states ( HEVCLocalContext * lc,
const HEVCPPS * pps,
int ctb_addr_ts )

Definition at line 402 of file cabac.c.

Referenced by hls_decode_entry(), and hls_decode_entry_wpp().

◆ load_states()

static void load_states ( HEVCLocalContext * lc,
const HEVCSPS * sps )
static

Definition at line 417 of file cabac.c.

Referenced by ff_hevc_cabac_init().

◆ cabac_reinit()

static int cabac_reinit ( HEVCLocalContext * lc)
static

Definition at line 425 of file cabac.c.

Referenced by ff_hevc_cabac_init(), and ff_vvc_cabac_init().

◆ cabac_init_state()

static void cabac_init_state ( HEVCLocalContext * lc,
const HEVCContext * s )
static

Definition at line 430 of file cabac.c.

Referenced by ff_hevc_cabac_init(), and ff_vvc_cabac_init().

◆ ff_hevc_cabac_init()

int ff_hevc_cabac_init ( HEVCLocalContext * lc,
const HEVCPPS * pps,
int ctb_addr_ts,
const uint8_t * data,
size_t size,
int is_wpp )

Definition at line 454 of file 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 516 of file 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 521 of file 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 531 of file cabac.c.

Referenced by hls_sao_param().

◆ ff_hevc_sao_offset_abs_decode()

int ff_hevc_sao_offset_abs_decode ( HEVCLocalContext * lc,
int bit_depth )

Definition at line 541 of file 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 551 of file 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 556 of file 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 563 of file 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 568 of file cabac.c.

Referenced by hls_coding_unit().

◆ ff_hevc_skip_flag_decode()

int ff_hevc_skip_flag_decode ( HEVCLocalContext * lc,
uint8_t * skip_flag,
int x0,
int y0,
int x_cb,
int y_cb,
int min_cb_width )

Definition at line 573 of file cabac.c.

Referenced by hls_coding_unit().

◆ ff_hevc_cu_qp_delta_abs()

int ff_hevc_cu_qp_delta_abs ( HEVCLocalContext * lc)

Definition at line 586 of file cabac.c.

Referenced by hls_transform_unit().

◆ ff_hevc_cu_qp_delta_sign_flag()

int ff_hevc_cu_qp_delta_sign_flag ( HEVCLocalContext * lc)

Definition at line 613 of file 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 618 of file cabac.c.

Referenced by hls_transform_unit().

◆ ff_hevc_cu_chroma_qp_offset_idx()

int ff_hevc_cu_chroma_qp_offset_idx ( HEVCLocalContext * lc,
int chroma_qp_offset_list_len_minus1 )

Definition at line 623 of file cabac.c.

Referenced by hls_transform_unit().

◆ ff_hevc_pred_mode_decode()

int ff_hevc_pred_mode_decode ( HEVCLocalContext * lc)

Definition at line 634 of file cabac.c.

Referenced by hls_coding_unit().

◆ ff_hevc_split_coding_unit_flag_decode()

int ff_hevc_split_coding_unit_flag_decode ( HEVCLocalContext * lc,
uint8_t * tab_ct_depth,
const HEVCSPS * sps,
int ct_depth,
int x0,
int y0 )

Definition at line 639 of file cabac.c.

Referenced by hls_coding_quadtree().

◆ ff_hevc_part_mode_decode()

int ff_hevc_part_mode_decode ( HEVCLocalContext * lc,
const HEVCSPS * sps,
int log2_cb_size )

Definition at line 660 of file cabac.c.

Referenced by hls_coding_unit().

◆ ff_hevc_pcm_flag_decode()

int ff_hevc_pcm_flag_decode ( HEVCLocalContext * lc)

Definition at line 697 of file 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 702 of file cabac.c.

Referenced by intra_prediction_unit().

◆ ff_hevc_mpm_idx_decode()

int ff_hevc_mpm_idx_decode ( HEVCLocalContext * lc)

Definition at line 707 of file 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 715 of file 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 725 of file cabac.c.

Referenced by intra_prediction_unit().

◆ ff_hevc_merge_idx_decode()

int ff_hevc_merge_idx_decode ( HEVCLocalContext * lc)

Definition at line 736 of file cabac.c.

Referenced by hls_prediction_unit().

◆ ff_hevc_merge_flag_decode()

int ff_hevc_merge_flag_decode ( HEVCLocalContext * lc)

Definition at line 747 of file 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 752 of file 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 762 of file 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 778 of file 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 783 of file cabac.c.

Referenced by hls_coding_unit().

◆ abs_mvd_greater0_flag_decode()

static av_always_inline int abs_mvd_greater0_flag_decode ( HEVCLocalContext * lc)
static

Definition at line 788 of file cabac.c.

Referenced by ff_hevc_hls_mvd_coding().

◆ abs_mvd_greater1_flag_decode()

static av_always_inline int abs_mvd_greater1_flag_decode ( HEVCLocalContext * lc)
static

Definition at line 793 of file cabac.c.

Referenced by ff_hevc_hls_mvd_coding().

◆ mvd_decode()

static av_always_inline int mvd_decode ( HEVCLocalContext * lc)
static

Definition at line 798 of file cabac.c.

Referenced by ff_hevc_hls_mvd_coding().

◆ mvd_sign_flag_decode()

static av_always_inline int mvd_sign_flag_decode ( HEVCLocalContext * lc)
static

Definition at line 816 of file cabac.c.

Referenced by ff_hevc_hls_mvd_coding().

◆ ff_hevc_split_transform_flag_decode()

int ff_hevc_split_transform_flag_decode ( HEVCLocalContext * lc,
int log2_trafo_size )

Definition at line 821 of file 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 826 of file 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 831 of file cabac.c.

Referenced by hls_transform_tree().

◆ hevc_transform_skip_flag_decode()

static int hevc_transform_skip_flag_decode ( HEVCLocalContext * lc,
int c_idx )
static

Definition at line 836 of file cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ explicit_rdpcm_flag_decode()

static int explicit_rdpcm_flag_decode ( HEVCLocalContext * lc,
int c_idx )
static

Definition at line 841 of file cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ explicit_rdpcm_dir_flag_decode()

static int explicit_rdpcm_dir_flag_decode ( HEVCLocalContext * lc,
int c_idx )
static

Definition at line 846 of file cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ ff_hevc_log2_res_scale_abs()

int ff_hevc_log2_res_scale_abs ( HEVCLocalContext * lc,
int idx )

Definition at line 851 of file 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 861 of file cabac.c.

Referenced by hls_cross_component_pred().

◆ last_significant_coeff_xy_prefix_decode()

static av_always_inline void last_significant_coeff_xy_prefix_decode ( HEVCLocalContext * lc,
int c_idx,
int log2_size,
int * last_scx_prefix,
int * last_scy_prefix )
static

Definition at line 866 of file cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ last_significant_coeff_suffix_decode()

static av_always_inline int last_significant_coeff_suffix_decode ( HEVCLocalContext * lc,
int last_significant_coeff_prefix )
static

Definition at line 892 of file cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ significant_coeff_group_flag_decode()

static av_always_inline int significant_coeff_group_flag_decode ( HEVCLocalContext * lc,
int c_idx,
int ctx_cg )
static

Definition at line 904 of file cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ significant_coeff_flag_decode()

static av_always_inline int significant_coeff_flag_decode ( HEVCLocalContext * lc,
int n,
int offset,
const uint8_t * ctx_idx_map )
static

Definition at line 912 of file cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ significant_coeff_flag_decode_0()

static av_always_inline int significant_coeff_flag_decode_0 ( HEVCLocalContext * lc,
int c_idx,
int offset )
static

Definition at line 919 of file cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ coeff_abs_level_greater1_flag_decode()

static av_always_inline int coeff_abs_level_greater1_flag_decode ( HEVCLocalContext * lc,
int c_idx,
int inc )
static

Definition at line 924 of file cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ coeff_abs_level_greater2_flag_decode()

static av_always_inline int coeff_abs_level_greater2_flag_decode ( HEVCLocalContext * lc,
int c_idx,
int inc )
static

Definition at line 933 of file cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ cabac_bypass_bits()

static int cabac_bypass_bits ( CABACContext * c,
int n )
static

Definition at line 942 of file cabac.c.

Referenced by coeff_abs_level_remaining_decode(), and coeff_sign_flag_decode().

◆ cabac_unary_prefix()

static int cabac_unary_prefix ( CABACContext * c,
int max )
static

Definition at line 974 of file cabac.c.

Referenced by coeff_abs_level_remaining_decode().

◆ coeff_abs_level_remaining_decode()

static av_always_inline int coeff_abs_level_remaining_decode ( HEVCLocalContext * lc,
int rc_rice_param )
static

Definition at line 1007 of file cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ coeff_sign_flag_decode()

static av_always_inline int coeff_sign_flag_decode ( HEVCLocalContext * lc,
uint8_t nb )
static

Definition at line 1048 of file cabac.c.

Referenced by ff_hevc_hls_residual_coding(), residual_coding_subblock(), and residual_ts_coding_subblock().

◆ ff_hevc_hls_residual_coding()

void ff_hevc_hls_residual_coding ( HEVCLocalContext * lc,
const HEVCPPS * pps,
int x0,
int y0,
int log2_trafo_size,
enum ScanType scan_idx,
int c_idx )

Definition at line 1061 of file 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 1595 of file cabac.c.

Referenced by hevc_luma_mv_mvp_mode().

Variable Documentation

◆ init_values

const uint8_t init_values[3][HEVC_CONTEXTS]
static

Indexed by init_type.

Definition at line 100 of file cabac.c.

Referenced by cabac_init_state(), and cabac_init_state().

◆ scan_1x1

const uint8_t scan_1x1[1]
static
Initial value:
= {
0,
}

Definition at line 334 of file cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ horiz_scan2x2_x

const uint8_t horiz_scan2x2_x[4]
static
Initial value:
= {
0, 1, 0, 1,
}

Definition at line 338 of file cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ horiz_scan2x2_y

const uint8_t horiz_scan2x2_y[4]
static
Initial value:
= {
0, 0, 1, 1
}

Definition at line 342 of file cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ horiz_scan4x4_x

const uint8_t horiz_scan4x4_x[16]
static
Initial value:
= {
0, 1, 2, 3,
0, 1, 2, 3,
0, 1, 2, 3,
0, 1, 2, 3,
}

Definition at line 346 of file cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ horiz_scan4x4_y

const uint8_t horiz_scan4x4_y[16]
static
Initial value:
= {
0, 0, 0, 0,
1, 1, 1, 1,
2, 2, 2, 2,
3, 3, 3, 3,
}

Definition at line 353 of file cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ horiz_scan8x8_inv

const uint8_t horiz_scan8x8_inv[8][8]
static
Initial value:
= {
{ 0, 1, 2, 3, 16, 17, 18, 19, },
{ 4, 5, 6, 7, 20, 21, 22, 23, },
{ 8, 9, 10, 11, 24, 25, 26, 27, },
{ 12, 13, 14, 15, 28, 29, 30, 31, },
{ 32, 33, 34, 35, 48, 49, 50, 51, },
{ 36, 37, 38, 39, 52, 53, 54, 55, },
{ 40, 41, 42, 43, 56, 57, 58, 59, },
{ 44, 45, 46, 47, 60, 61, 62, 63, },
}

Definition at line 360 of file cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ diag_scan2x2_x

const uint8_t diag_scan2x2_x[4]
static
Initial value:
= {
0, 0, 1, 1,
}

Definition at line 371 of file cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ diag_scan2x2_y

const uint8_t diag_scan2x2_y[4]
static
Initial value:
= {
0, 1, 0, 1,
}

Definition at line 375 of file cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ diag_scan2x2_inv

const uint8_t diag_scan2x2_inv[2][2]
static
Initial value:
= {
{ 0, 2, },
{ 1, 3, },
}

Definition at line 379 of file cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ diag_scan4x4_inv

const uint8_t diag_scan4x4_inv[4][4]
static
Initial value:
= {
{ 0, 2, 5, 9, },
{ 1, 4, 8, 12, },
{ 3, 7, 11, 14, },
{ 6, 10, 13, 15, },
}

Definition at line 384 of file cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ diag_scan8x8_inv

const uint8_t diag_scan8x8_inv[8][8]
static
Initial value:
= {
{ 0, 2, 5, 9, 14, 20, 27, 35, },
{ 1, 4, 8, 13, 19, 26, 34, 42, },
{ 3, 7, 12, 18, 25, 33, 41, 48, },
{ 6, 11, 17, 24, 32, 40, 47, 53, },
{ 10, 16, 23, 31, 39, 46, 52, 57, },
{ 15, 22, 30, 38, 45, 51, 56, 60, },
{ 21, 29, 37, 44, 50, 55, 59, 62, },
{ 28, 36, 43, 49, 54, 58, 61, 63, },
}

Definition at line 391 of file cabac.c.

Referenced by ff_hevc_hls_residual_coding().

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