#include "libavutil/attributes.h"
#include "libavutil/common.h"
#include "cabac_functions.h"
#include "hevc_data.h"
#include "hevc.h"
#include "hevcdec.h"

Macros
#define	CABAC_MAX_BIN 31

#define	CNU 154

#define	GET_CABAC(ctx) get_cabac(&s->HEVClc->cc, &s->HEVClc->cabac_state[ctx])

#define	GET_COORD(offset, n)

Functions
void	ff_hevc_save_states (HEVCContext *s, int ctb_addr_ts)

static void	load_states (HEVCContext *s)

static int	cabac_reinit (HEVCLocalContext *lc)

static int	cabac_init_decoder (HEVCContext *s)

static void	cabac_init_state (HEVCContext *s)

int	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_cu_qp_delta_abs (HEVCContext *s)

int	ff_hevc_cu_qp_delta_sign_flag (HEVCContext *s)

int	ff_hevc_cu_chroma_qp_offset_flag (HEVCContext *s)

int	ff_hevc_cu_chroma_qp_offset_idx (HEVCContext *s)

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)

static av_always_inline int	abs_mvd_greater0_flag_decode (HEVCContext *s)

static av_always_inline int	abs_mvd_greater1_flag_decode (HEVCContext *s)

static av_always_inline int	mvd_decode (HEVCContext *s)

static av_always_inline int	mvd_sign_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)

static int	hevc_transform_skip_flag_decode (HEVCContext *s, int c_idx)

static int	explicit_rdpcm_flag_decode (HEVCContext *s, int c_idx)

static int	explicit_rdpcm_dir_flag_decode (HEVCContext *s, int c_idx)

int	ff_hevc_log2_res_scale_abs (HEVCContext *s, int idx)

int	ff_hevc_res_scale_sign_flag (HEVCContext *s, int idx)

static av_always_inline void	last_significant_coeff_xy_prefix_decode (HEVCContext s, int c_idx, int log2_size, int last_scx_prefix, int *last_scy_prefix)

static av_always_inline int	last_significant_coeff_suffix_decode (HEVCContext *s, int last_significant_coeff_prefix)

static av_always_inline int	significant_coeff_group_flag_decode (HEVCContext *s, int c_idx, int ctx_cg)

static av_always_inline int	significant_coeff_flag_decode (HEVCContext s, int x_c, int y_c, int offset, const uint8_t ctx_idx_map)

static av_always_inline int	significant_coeff_flag_decode_0 (HEVCContext *s, int c_idx, int offset)

static av_always_inline int	coeff_abs_level_greater1_flag_decode (HEVCContext *s, int c_idx, int inc)

static av_always_inline int	coeff_abs_level_greater2_flag_decode (HEVCContext *s, int c_idx, int inc)

static av_always_inline int	coeff_abs_level_remaining_decode (HEVCContext *s, int rc_rice_param)

static av_always_inline int	coeff_sign_flag_decode (HEVCContext *s, uint8_t nb)

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)

Variables
static const int8_t	num_bins_in_se []
	number of bin by SyntaxElement. More...

static const int	elem_offset [sizeof(num_bins_in_se)]
	Offset to ctxIdx 0 in init_values and states, indexed by SyntaxElement. More...

static const uint8_t	init_values [3][HEVC_CONTEXTS]
	Indexed by init_type. More...

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 hevc_cabac.c.

Referenced by coeff_abs_level_remaining_decode(), ff_hevc_cu_qp_delta_abs(), and mvd_decode().

◆ CNU

#define CNU 154

Definition at line 144 of file hevc_cabac.c.

◆ GET_CABAC

#define GET_CABAC ( ctx ) get_cabac(&s->HEVClc->cc, &s->HEVClc->cabac_state[ctx])

Definition at line 559 of file hevc_cabac.c.

◆ 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().

Function Documentation

◆ ff_hevc_save_states()

void ff_hevc_save_states	(	HEVCContext *	s,
		int	ctb_addr_ts
	)

Definition at line 450 of file hevc_cabac.c.

Referenced by hls_decode_entry(), and hls_decode_entry_wpp().

◆ load_states()

static void load_states ( HEVCContext * s )

static

Definition at line 460 of file hevc_cabac.c.

Referenced by ff_hevc_cabac_init().

◆ cabac_reinit()

static int cabac_reinit ( HEVCLocalContext * lc )

static

Definition at line 465 of file hevc_cabac.c.

Referenced by ff_hevc_cabac_init().

◆ cabac_init_decoder()

static int cabac_init_decoder ( HEVCContext * s )

static

Definition at line 470 of file hevc_cabac.c.

Referenced by ff_hevc_cabac_init().

◆ cabac_init_state()

static void cabac_init_state ( HEVCContext * s )

static

Definition at line 480 of file hevc_cabac.c.

Referenced by ff_hevc_cabac_init().

◆ ff_hevc_cabac_init()

int ff_hevc_cabac_init	(	HEVCContext *	s,
		int	ctb_addr_ts
	)

Definition at line 504 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 ( HEVCContext * s )

Definition at line 561 of file hevc_cabac.c.

Referenced by hls_sao_param().

◆ ff_hevc_sao_type_idx_decode()

int ff_hevc_sao_type_idx_decode ( HEVCContext * s )

Definition at line 566 of file hevc_cabac.c.

Referenced by hls_sao_param().

◆ ff_hevc_sao_band_position_decode()

int ff_hevc_sao_band_position_decode ( HEVCContext * s )

Definition at line 576 of file hevc_cabac.c.

Referenced by hls_sao_param().

◆ ff_hevc_sao_offset_abs_decode()

int ff_hevc_sao_offset_abs_decode ( HEVCContext * s )

Definition at line 586 of file hevc_cabac.c.

Referenced by hls_sao_param().

◆ ff_hevc_sao_offset_sign_decode()

int ff_hevc_sao_offset_sign_decode ( HEVCContext * s )

Definition at line 596 of file hevc_cabac.c.

Referenced by hls_sao_param().

◆ ff_hevc_sao_eo_class_decode()

int ff_hevc_sao_eo_class_decode ( HEVCContext * s )

Definition at line 601 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 ( HEVCContext * s )

Definition at line 608 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 ( HEVCContext * s )

Definition at line 613 of file hevc_cabac.c.

Referenced by hls_coding_unit().

◆ ff_hevc_skip_flag_decode()

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

Definition at line 618 of file hevc_cabac.c.

Referenced by hls_coding_unit().

◆ ff_hevc_cu_qp_delta_abs()

int ff_hevc_cu_qp_delta_abs ( HEVCContext * s )

Definition at line 633 of file hevc_cabac.c.

Referenced by ff_hevc_nal_is_nonref(), and hls_transform_unit().

◆ ff_hevc_cu_qp_delta_sign_flag()

int ff_hevc_cu_qp_delta_sign_flag ( HEVCContext * s )

Definition at line 660 of file hevc_cabac.c.

Referenced by ff_hevc_nal_is_nonref(), and hls_transform_unit().

◆ ff_hevc_cu_chroma_qp_offset_flag()

int ff_hevc_cu_chroma_qp_offset_flag ( HEVCContext * s )

Definition at line 665 of file hevc_cabac.c.

Referenced by ff_hevc_nal_is_nonref(), and hls_transform_unit().

◆ ff_hevc_cu_chroma_qp_offset_idx()

int ff_hevc_cu_chroma_qp_offset_idx ( HEVCContext * s )

Definition at line 670 of file hevc_cabac.c.

Referenced by ff_hevc_nal_is_nonref(), and hls_transform_unit().

◆ ff_hevc_pred_mode_decode()

int ff_hevc_pred_mode_decode ( HEVCContext * s )

Definition at line 681 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	(	HEVCContext *	s,
		int	ct_depth,
		int	x0,
		int	y0
	)

Definition at line 686 of file hevc_cabac.c.

Referenced by hls_coding_quadtree().

◆ ff_hevc_part_mode_decode()

int ff_hevc_part_mode_decode	(	HEVCContext *	s,
		int	log2_cb_size
	)

Definition at line 705 of file hevc_cabac.c.

Referenced by hls_coding_unit().

◆ ff_hevc_pcm_flag_decode()

int ff_hevc_pcm_flag_decode ( HEVCContext * s )

Definition at line 742 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 ( HEVCContext * s )

Definition at line 747 of file hevc_cabac.c.

Referenced by intra_prediction_unit().

◆ ff_hevc_mpm_idx_decode()

int ff_hevc_mpm_idx_decode ( HEVCContext * s )

Definition at line 752 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 ( HEVCContext * s )

Definition at line 760 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 ( HEVCContext * s )

Definition at line 770 of file hevc_cabac.c.

Referenced by intra_prediction_unit().

◆ ff_hevc_merge_idx_decode()

int ff_hevc_merge_idx_decode ( HEVCContext * s )

Definition at line 781 of file hevc_cabac.c.

Referenced by hls_prediction_unit().

◆ ff_hevc_merge_flag_decode()

int ff_hevc_merge_flag_decode ( HEVCContext * s )

Definition at line 792 of file hevc_cabac.c.

Referenced by hls_prediction_unit().

◆ ff_hevc_inter_pred_idc_decode()

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

Definition at line 797 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	(	HEVCContext *	s,
		int	num_ref_idx_lx
	)

Definition at line 807 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 ( HEVCContext * s )

Definition at line 823 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 ( HEVCContext * s )

Definition at line 828 of file hevc_cabac.c.

Referenced by hls_coding_unit().

◆ abs_mvd_greater0_flag_decode()

static av_always_inline int abs_mvd_greater0_flag_decode ( HEVCContext * s )

static

Definition at line 833 of file hevc_cabac.c.

Referenced by ff_hevc_hls_mvd_coding().

◆ abs_mvd_greater1_flag_decode()

static av_always_inline int abs_mvd_greater1_flag_decode ( HEVCContext * s )

static

Definition at line 838 of file hevc_cabac.c.

Referenced by ff_hevc_hls_mvd_coding().

◆ mvd_decode()

static av_always_inline int mvd_decode ( HEVCContext * s )

static

Definition at line 843 of file hevc_cabac.c.

Referenced by ff_hevc_hls_mvd_coding().

◆ mvd_sign_flag_decode()

static av_always_inline int mvd_sign_flag_decode ( HEVCContext * s )

static

Definition at line 861 of file hevc_cabac.c.

Referenced by ff_hevc_hls_mvd_coding().

◆ ff_hevc_split_transform_flag_decode()

int ff_hevc_split_transform_flag_decode	(	HEVCContext *	s,
		int	log2_trafo_size
	)

Definition at line 866 of file hevc_cabac.c.

Referenced by hls_transform_tree().

◆ ff_hevc_cbf_cb_cr_decode()

int ff_hevc_cbf_cb_cr_decode	(	HEVCContext *	s,
		int	trafo_depth
	)

Definition at line 871 of file hevc_cabac.c.

Referenced by hls_transform_tree().

◆ ff_hevc_cbf_luma_decode()

int ff_hevc_cbf_luma_decode	(	HEVCContext *	s,
		int	trafo_depth
	)

Definition at line 876 of file hevc_cabac.c.

Referenced by hls_transform_tree().

◆ hevc_transform_skip_flag_decode()

static int hevc_transform_skip_flag_decode	(	HEVCContext *	s,
		int	c_idx
	)

static

Definition at line 881 of file hevc_cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ explicit_rdpcm_flag_decode()

static int explicit_rdpcm_flag_decode	(	HEVCContext *	s,
		int	c_idx
	)

static

Definition at line 886 of file hevc_cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ explicit_rdpcm_dir_flag_decode()

static int explicit_rdpcm_dir_flag_decode	(	HEVCContext *	s,
		int	c_idx
	)

static

Definition at line 891 of file hevc_cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ ff_hevc_log2_res_scale_abs()

int ff_hevc_log2_res_scale_abs	(	HEVCContext *	s,
		int	idx
	)

Definition at line 896 of file hevc_cabac.c.

Referenced by hls_cross_component_pred().

◆ ff_hevc_res_scale_sign_flag()

int ff_hevc_res_scale_sign_flag	(	HEVCContext *	s,
		int	idx
	)

Definition at line 905 of file hevc_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	(	HEVCContext *	s,
		int	c_idx,
		int	log2_size,
		int *	last_scx_prefix,
		int *	last_scy_prefix
	)

static

Definition at line 909 of file hevc_cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ last_significant_coeff_suffix_decode()

static av_always_inline int last_significant_coeff_suffix_decode	(	HEVCContext *	s,
		int	last_significant_coeff_prefix
	)

static

Definition at line 935 of file hevc_cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ significant_coeff_group_flag_decode()

static av_always_inline int significant_coeff_group_flag_decode	(	HEVCContext *	s,
		int	c_idx,
		int	ctx_cg
	)

static

Definition at line 947 of file hevc_cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ significant_coeff_flag_decode()

static av_always_inline int significant_coeff_flag_decode	(	HEVCContext *	s,
		int	x_c,
		int	y_c,
		int	offset,
		const uint8_t *	ctx_idx_map
	)

static

Definition at line 955 of file hevc_cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ significant_coeff_flag_decode_0()

static av_always_inline int significant_coeff_flag_decode_0	(	HEVCContext *	s,
		int	c_idx,
		int	offset
	)

static

Definition at line 962 of file hevc_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	(	HEVCContext *	s,
		int	c_idx,
		int	inc
	)

static

Definition at line 967 of file hevc_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	(	HEVCContext *	s,
		int	c_idx,
		int	inc
	)

static

Definition at line 976 of file hevc_cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ coeff_abs_level_remaining_decode()

static av_always_inline int coeff_abs_level_remaining_decode	(	HEVCContext *	s,
		int	rc_rice_param
	)

static

Definition at line 984 of file hevc_cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ coeff_sign_flag_decode()

static av_always_inline int coeff_sign_flag_decode	(	HEVCContext *	s,
		uint8_t	nb
	)

static

Definition at line 1014 of file hevc_cabac.c.

Referenced by ff_hevc_hls_residual_coding().

◆ ff_hevc_hls_residual_coding()

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 1024 of file hevc_cabac.c.

Referenced by ff_hevc_nal_is_nonref(), and hls_transform_unit().

◆ ff_hevc_hls_mvd_coding()

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

Definition at line 1534 of file hevc_cabac.c.

Referenced by ff_hevc_nal_is_nonref(), and hevc_luma_mv_mvp_mode().

Variable Documentation

◆ num_bins_in_se

const int8_t num_bins_in_se[]

static

number of bin by SyntaxElement.

Definition at line 37 of file hevc_cabac.c.

◆ elem_offset

const int elem_offset[sizeof(num_bins_in_se)]

static

Offset to ctxIdx 0 in init_values and states, indexed by SyntaxElement.

Definition at line 92 of file hevc_cabac.c.

◆ init_values

const uint8_t init_values[3][HEVC_CONTEXTS]

static

Indexed by init_type.

Definition at line 148 of file hevc_cabac.c.

Referenced by cabac_init_state().

◆ scan_1x1

const uint8_t scan_1x1[1]

static

Initial value:

= {
    0,
}

Definition at line 382 of file hevc_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 386 of file hevc_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 390 of file hevc_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 394 of file hevc_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 401 of file hevc_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 408 of file hevc_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 419 of file hevc_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 423 of file hevc_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 427 of file hevc_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 432 of file hevc_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 439 of file hevc_cabac.c.

Referenced by ff_hevc_hls_residual_coding().

Macros

Functions

Variables

Macro Definition Documentation

◆ CABAC_MAX_BIN

◆ CNU

◆ GET_CABAC

◆ GET_COORD

Function Documentation

◆ ff_hevc_save_states()

◆ load_states()

◆ cabac_reinit()

◆ cabac_init_decoder()

◆ cabac_init_state()

◆ ff_hevc_cabac_init()

◆ ff_hevc_sao_merge_flag_decode()

◆ ff_hevc_sao_type_idx_decode()

◆ ff_hevc_sao_band_position_decode()

◆ ff_hevc_sao_offset_abs_decode()

◆ ff_hevc_sao_offset_sign_decode()

◆ ff_hevc_sao_eo_class_decode()

◆ ff_hevc_end_of_slice_flag_decode()

◆ ff_hevc_cu_transquant_bypass_flag_decode()

◆ ff_hevc_skip_flag_decode()

◆ ff_hevc_cu_qp_delta_abs()

◆ ff_hevc_cu_qp_delta_sign_flag()

◆ ff_hevc_cu_chroma_qp_offset_flag()

◆ ff_hevc_cu_chroma_qp_offset_idx()

◆ ff_hevc_pred_mode_decode()

◆ ff_hevc_split_coding_unit_flag_decode()

◆ ff_hevc_part_mode_decode()

◆ ff_hevc_pcm_flag_decode()

◆ ff_hevc_prev_intra_luma_pred_flag_decode()

◆ ff_hevc_mpm_idx_decode()

◆ ff_hevc_rem_intra_luma_pred_mode_decode()

◆ ff_hevc_intra_chroma_pred_mode_decode()

◆ ff_hevc_merge_idx_decode()

◆ ff_hevc_merge_flag_decode()

◆ ff_hevc_inter_pred_idc_decode()

◆ ff_hevc_ref_idx_lx_decode()

◆ ff_hevc_mvp_lx_flag_decode()

◆ ff_hevc_no_residual_syntax_flag_decode()

◆ abs_mvd_greater0_flag_decode()

◆ abs_mvd_greater1_flag_decode()

◆ mvd_decode()

◆ mvd_sign_flag_decode()

◆ ff_hevc_split_transform_flag_decode()

◆ ff_hevc_cbf_cb_cr_decode()

◆ ff_hevc_cbf_luma_decode()

◆ hevc_transform_skip_flag_decode()

◆ explicit_rdpcm_flag_decode()

◆ explicit_rdpcm_dir_flag_decode()

◆ ff_hevc_log2_res_scale_abs()

◆ ff_hevc_res_scale_sign_flag()

◆ last_significant_coeff_xy_prefix_decode()

◆ last_significant_coeff_suffix_decode()

◆ significant_coeff_group_flag_decode()

◆ significant_coeff_flag_decode()

◆ significant_coeff_flag_decode_0()

◆ coeff_abs_level_greater1_flag_decode()

◆ coeff_abs_level_greater2_flag_decode()

◆ coeff_abs_level_remaining_decode()

◆ coeff_sign_flag_decode()

◆ ff_hevc_hls_residual_coding()

◆ ff_hevc_hls_mvd_coding()

Variable Documentation

◆ num_bins_in_se

◆ elem_offset

◆ init_values

◆ scan_1x1

◆ horiz_scan2x2_x

◆ horiz_scan2x2_y

◆ horiz_scan4x4_x

◆ horiz_scan4x4_y

◆ horiz_scan8x8_inv

◆ diag_scan2x2_x

◆ diag_scan2x2_y

◆ diag_scan2x2_inv

◆ diag_scan4x4_inv

◆ diag_scan8x8_inv