#include "libavutil/frame.h"
#include "libavutil/imgutils.h"
#include "ctu.h"
#include "data.h"
#include "filter.h"
#include "refs.h"

Macros
#define	LEFT 0

#define	TOP 1

#define	RIGHT 2

#define	BOTTOM 3

#define	MAX_EDGES 4

#define	DEFAULT_INTRA_TC_OFFSET 2

#define	POS(c_idx, x, y)

#define	MAX_VBBS 4

#define	TAB_BS(t, x, y) (t)[((y) >> MIN_TU_LOG2) * (fc->ps.pps->min_tu_width) + ((x) >> MIN_TU_LOG2)]

#define	TAB_MAX_LEN(t, x, y) (t)[((y) >> MIN_TU_LOG2) * (fc->ps.pps->min_tu_width) + ((x) >> MIN_TU_LOG2)]

#define	DEBLOCK_STEP 8

#define	LUMA_GRID 4

#define	CHROMA_GRID 8

#define	TC_CALC(qp, bs)

#define	ALF_MAX_BLOCKS_IN_CTU (MAX_CTU_SIZE * MAX_CTU_SIZE / ALF_BLOCK_SIZE / ALF_BLOCK_SIZE)

#define	ALF_MAX_FILTER_SIZE (ALF_MAX_BLOCKS_IN_CTU * ALF_NUM_COEFF_LUMA)

Typedefs
typedef void(*	deblock_bs_fn) (const VVCLocalContext *lc, const int x0, const int y0, const int width, const int height, const int rs, const int vertical)

Functions
static int	get_virtual_boundary (const VVCFrameContext *fc, const int ctu_pos, const int vertical)

static int	is_virtual_boundary (const VVCFrameContext *fc, const int pos, const int vertical)

static int	get_qPc (const VVCFrameContext *fc, const int x0, const int y0, const int chroma)

static void	copy_ctb (uint8_t dst, const uint8_t src, const int width, const int height, const ptrdiff_t dst_stride, const ptrdiff_t src_stride)

static void	copy_pixel (uint8_t dst, const uint8_t src, const int pixel_shift)

static void	copy_vert (uint8_t dst, const uint8_t src, const int pixel_shift, const int height, const ptrdiff_t dst_stride, const ptrdiff_t src_stride)

static void	copy_ctb_to_hv (VVCFrameContext fc, const uint8_t src, const ptrdiff_t src_stride, const int x, const int y, const int width, const int height, const int c_idx, const int rx, const int ry, const int top)

static void	sao_copy_ctb_to_hv (VVCLocalContext *lc, const int rx, const int ry, const int top)

void	ff_vvc_sao_copy_ctb_to_hv (VVCLocalContext *lc, const int rx, const int ry, const int last_row)

static int	sao_can_cross_slices (const VVCFrameContext *fc, const int rx, const int ry, const int dx, const int dy)

static void	sao_get_edges (uint8_t vert_edge[2], uint8_t horiz_edge[2], uint8_t diag_edge[4], int restore, const VVCLocalContext lc, const int edges[4], const int rx, const int ry)

static void	sao_copy_hor (uint8_t dst, const ptrdiff_t dst_stride, const uint8_t src, const ptrdiff_t src_stride, const int width, const int edges[4], const int ps)

static void	sao_extends_edges (uint8_t dst, const ptrdiff_t dst_stride, const uint8_t src, const ptrdiff_t src_stride, const int width, const int height, const VVCFrameContext *fc, const int x0, const int y0, const int rx, const int ry, const int edges[4], const int c_idx)

static void	sao_restore_vb (uint8_t dst, ptrdiff_t dst_stride, const uint8_t src, ptrdiff_t src_stride, const int width, const int height, const int vb_pos, const int ps, const int vertical)

void	ff_vvc_sao_filter (VVCLocalContext *lc, int x0, int y0)
	sao filter for the CTU More...

static int	boundary_strength (const VVCLocalContext lc, const MvField curr, const MvField neigh, const RefPicList neigh_rpl)

static void	derive_max_filter_length_luma (const VVCFrameContext fc, const int qx, const int qy, const int size_q, const int has_subblock, const int vertical, uint8_t max_len_p, uint8_t *max_len_q)

static void	vvc_deblock_subblock_bs (const VVCLocalContext *lc, const int cb, int x0, int y0, int width, int height, const int vertical)

static av_always_inline int	deblock_bs (const VVCLocalContext lc, const int x_p, const int y_p, const int x_q, const int y_q, const CodingUnit cu, const TransformUnit tu, const RefPicList rpl_p, const int c_idx, const int off_to_cb, const uint8_t has_sub_block)

static int	deblock_is_boundary (const VVCLocalContext *lc, const int boundary, const int pos, const int rs, const int vertical)

static void	vvc_deblock_bs_luma (const VVCLocalContext lc, const int x0, const int y0, const int width, const int height, const CodingUnit cu, const TransformUnit *tu, int rs, const int vertical)

static void	vvc_deblock_bs_chroma (const VVCLocalContext lc, const int x0, const int y0, const int width, const int height, const CodingUnit cu, const TransformUnit *tu, const int rs, const int vertical)

void	ff_vvc_deblock_bs (VVCLocalContext *lc, const int rx, const int ry, const int rs)
	derive boundary strength for the CTU More...

static void	max_filter_length_luma (const VVCFrameContext fc, const int qx, const int qy, const int vertical, uint8_t max_len_p, uint8_t *max_len_q)

static void	max_filter_length_chroma (const VVCFrameContext fc, const int qx, const int qy, const int vertical, const int horizontal_ctu_edge, const int bs, uint8_t max_len_p, uint8_t *max_len_q)

static void	max_filter_length (const VVCFrameContext fc, const int qx, const int qy, const int c_idx, const int vertical, const int horizontal_ctu_edge, const int bs, uint8_t max_len_p, uint8_t *max_len_q)

static int	get_qp_y (const VVCFrameContext fc, const uint8_t src, const int x, const int y, const int vertical)

static int	get_qp_c (const VVCFrameContext *fc, const int x, const int y, const int c_idx, const int vertical)

static int	get_qp (const VVCFrameContext fc, const uint8_t src, const int x, const int y, const int c_idx, const int vertical)

static void	vvc_deblock (const VVCLocalContext *lc, int x0, int y0, const int rs, const int vertical)

void	ff_vvc_deblock_vertical (const VVCLocalContext *lc, const int x0, const int y0, const int rs)
	vertical deblock filter for the CTU More...

void	ff_vvc_deblock_horizontal (const VVCLocalContext *lc, const int x0, const int y0, const int rs)
	horizontal deblock filter for the CTU More...

static void	alf_copy_border (uint8_t dst, const uint8_t src, const int pixel_shift, int width, const int height, const ptrdiff_t dst_stride, const ptrdiff_t src_stride)

static void	alf_extend_vert (uint8_t _dst, const uint8_t _src, const int pixel_shift, const int width, const int height, ptrdiff_t stride)

static void	alf_extend_horz (uint8_t dst, const uint8_t src, const int pixel_shift, int width, const int height, const ptrdiff_t stride)

static void	alf_copy_ctb_to_hv (VVCFrameContext fc, const uint8_t src, const ptrdiff_t src_stride, const int x, const int y, const int width, const int height, const int rx, const int ry, const int c_idx)

static void	alf_fill_border_h (uint8_t dst, const ptrdiff_t dst_stride, const uint8_t src, const ptrdiff_t src_stride, const uint8_t *border, const int width, const int border_pixels, const int ps, const int edge)

static void	alf_fill_border_v (uint8_t dst, const ptrdiff_t dst_stride, const uint8_t src, const uint8_t border, const int border_pixels, const int height, const int pixel_shift, const int edges, const int edge)

static void	alf_prepare_buffer (VVCFrameContext fc, uint8_t _dst, const uint8_t _src, const int x, const int y, const int rx, const int ry, const int width, const int height, const ptrdiff_t dst_stride, const ptrdiff_t src_stride, const int c_idx, const int edges)

static void	alf_get_coeff_and_clip (VVCLocalContext lc, int16_t coeff, int16_t clip, const uint8_t src, ptrdiff_t src_stride, int width, int height, int vb_pos, const ALFParams *alf)

static void	alf_filter_luma (VVCLocalContext lc, uint8_t dst, const uint8_t src, const ptrdiff_t dst_stride, const ptrdiff_t src_stride, const int x0, const int y0, const int width, const int height, const int _vb_pos, const ALFParams alf)

static int	alf_clip_from_idx (const VVCFrameContext *fc, const int idx)

static void	alf_filter_chroma (VVCLocalContext lc, uint8_t dst, const uint8_t src, const ptrdiff_t dst_stride, const ptrdiff_t src_stride, const int c_idx, const int width, const int height, const int vb_pos, const ALFParams alf)

static void	alf_filter_cc (VVCLocalContext lc, uint8_t dst, const uint8_t luma, const ptrdiff_t dst_stride, const ptrdiff_t luma_stride, const int c_idx, const int width, const int height, const int hs, const int vs, const int vb_pos, const ALFParams alf)

void	ff_vvc_alf_copy_ctu_to_hv (VVCLocalContext *lc, const int x0, const int y0)

static void	alf_get_edges (const VVCLocalContext *lc, int edges[MAX_EDGES], const int rx, const int ry)

static void	alf_init_subblock (VVCRect sb, int sb_edges[MAX_EDGES], const VVCRect b, const int edges[MAX_EDGES])

static void	alf_get_subblock (VVCRect *sb, int edges[MAX_EDGES], const int bx, const int by, const int vb_pos[2], const int has_vb[2])

static void	alf_get_subblocks (const VVCLocalContext lc, VVCRect sbs[MAX_VBBS], int sb_edges[MAX_VBBS][MAX_EDGES], int nb_sbs, const int x0, const int y0, const int rx, const int ry)

void	ff_vvc_alf_filter (VVCLocalContext *lc, const int x0, const int y0)
	alf filter for the CTU More...

void	ff_vvc_lmcs_filter (const VVCLocalContext *lc, const int x, const int y)
	lmcs filter for the CTU More...

Variables
static const uint16_t	tctable [66]

static const uint8_t	betatable [64]

Macro Definition Documentation

◆ LEFT

#define LEFT 0

Definition at line 30 of file filter.c.

◆ TOP

#define TOP 1

Definition at line 31 of file filter.c.

◆ RIGHT

#define RIGHT 2

Definition at line 32 of file filter.c.

◆ BOTTOM

#define BOTTOM 3

Definition at line 33 of file filter.c.

◆ MAX_EDGES

#define MAX_EDGES 4

Definition at line 34 of file filter.c.

◆ DEFAULT_INTRA_TC_OFFSET

#define DEFAULT_INTRA_TC_OFFSET 2

Definition at line 36 of file filter.c.

◆ POS

#define POS	(	c_idx,
		x,
		y
	)

Value:

&fc->frame->data[c_idx][((y) >> fc->ps.sps->vshift[c_idx]) * fc->frame->linesize[c_idx] + \

(((x) >> fc->ps.sps->hshift[c_idx]) << fc->ps.sps->pixel_shift)]

Definition at line 38 of file filter.c.

◆ MAX_VBBS

#define MAX_VBBS 4

Definition at line 60 of file filter.c.

◆ TAB_BS

#define TAB_BS	(	t,
		x,
		y
	)	(t)[((y) >> MIN_TU_LOG2) * (fc->ps.pps->min_tu_width) + ((x) >> MIN_TU_LOG2)]

Definition at line 375 of file filter.c.

◆ TAB_MAX_LEN

#define TAB_MAX_LEN	(	t,
		x,
		y
	)	(t)[((y) >> MIN_TU_LOG2) * (fc->ps.pps->min_tu_width) + ((x) >> MIN_TU_LOG2)]

Definition at line 376 of file filter.c.

◆ DEBLOCK_STEP

#define DEBLOCK_STEP 8

Definition at line 379 of file filter.c.

◆ LUMA_GRID

#define LUMA_GRID 4

Definition at line 380 of file filter.c.

◆ CHROMA_GRID

#define CHROMA_GRID 8

Definition at line 381 of file filter.c.

◆ TC_CALC

#define TC_CALC	(	qp,
		bs
	)

Value:

    tctable[av_clip((qp) + DEFAULT_INTRA_TC_OFFSET * ((bs) - 1) +       \
                    (tc_offset & -2),                                   \
                    0, MAX_QP + DEFAULT_INTRA_TC_OFFSET)]

Definition at line 735 of file filter.c.

◆ ALF_MAX_BLOCKS_IN_CTU

#define ALF_MAX_BLOCKS_IN_CTU (MAX_CTU_SIZE * MAX_CTU_SIZE / ALF_BLOCK_SIZE / ALF_BLOCK_SIZE)

Definition at line 980 of file filter.c.

◆ ALF_MAX_FILTER_SIZE

#define ALF_MAX_FILTER_SIZE (ALF_MAX_BLOCKS_IN_CTU * ALF_NUM_COEFF_LUMA)

Definition at line 981 of file filter.c.

Typedef Documentation

◆ deblock_bs_fn

typedef void(* deblock_bs_fn) (const VVCLocalContext *lc, const int x0, const int y0, const int width, const int height, const int rs, const int vertical)

Definition at line 671 of file filter.c.

Function Documentation

◆ get_virtual_boundary()

static int get_virtual_boundary	(	const VVCFrameContext *	fc,
		const int	ctu_pos,
		const int	vertical
	)

static

Definition at line 62 of file filter.c.

Referenced by alf_get_subblocks(), ff_vvc_sao_filter(), and is_virtual_boundary().

◆ is_virtual_boundary()

static int is_virtual_boundary	(	const VVCFrameContext *	fc,
		const int	pos,
		const int	vertical
	)

static

Definition at line 80 of file filter.c.

Referenced by alf_get_edges(), sao_get_edges(), vvc_deblock_bs_chroma(), vvc_deblock_bs_luma(), and vvc_deblock_subblock_bs().

◆ get_qPc()

static int get_qPc	(	const VVCFrameContext *	fc,
		const int	x0,
		const int	y0,
		const int	chroma
	)

static

Definition at line 85 of file filter.c.

Referenced by get_qp_c().

◆ copy_ctb()

static void copy_ctb	(	uint8_t *	dst,
		const uint8_t *	src,
		const int	width,
		const int	height,
		const ptrdiff_t	dst_stride,
		const ptrdiff_t	src_stride
	)

static

Definition at line 93 of file filter.c.

Referenced by alf_prepare_buffer(), and sao_extends_edges().

◆ copy_pixel()

static void copy_pixel	(	uint8_t *	dst,
		const uint8_t *	src,
		const int	pixel_shift
	)

static

Definition at line 104 of file filter.c.

Referenced by sao_copy_hor().

◆ copy_vert()

static void copy_vert	(	uint8_t *	dst,
		const uint8_t *	src,
		const int	pixel_shift,
		const int	height,
		const ptrdiff_t	dst_stride,
		const ptrdiff_t	src_stride
	)

static

Definition at line 112 of file filter.c.

Referenced by copy_ctb_to_hv(), and sao_extends_edges().

◆ copy_ctb_to_hv()

static void copy_ctb_to_hv	(	VVCFrameContext *	fc,
		const uint8_t *	src,
		const ptrdiff_t	src_stride,
		const int	x,
		const int	y,
		const int	width,
		const int	height,
		const int	c_idx,
		const int	rx,
		const int	ry,
		const int	top
	)

static

Definition at line 131 of file filter.c.

Referenced by sao_copy_ctb_to_hv().

◆ sao_copy_ctb_to_hv()

static void sao_copy_ctb_to_hv	(	VVCLocalContext *	lc,
		const int	rx,
		const int	ry,
		const int	top
	)

static

Definition at line 154 of file filter.c.

Referenced by ff_vvc_sao_copy_ctb_to_hv().

◆ ff_vvc_sao_copy_ctb_to_hv()

void ff_vvc_sao_copy_ctb_to_hv	(	VVCLocalContext *	lc,
		const int	rx,
		const int	ry,
		const int	last_row
	)

Definition at line 174 of file filter.c.

Referenced by run_deblock_h().

◆ sao_can_cross_slices()

static int sao_can_cross_slices	(	const VVCFrameContext *	fc,
		const int	rx,
		const int	ry,
		const int	dx,
		const int	dy
	)

static

Definition at line 185 of file filter.c.

Referenced by sao_get_edges().

◆ sao_get_edges()

static void sao_get_edges	(	uint8_t	vert_edge[2],
		uint8_t	horiz_edge[2],
		uint8_t	diag_edge[4],
		int *	restore,
		const VVCLocalContext *	lc,
		const int	edges[4],
		const int	rx,
		const int	ry
	)

static

Definition at line 192 of file filter.c.

Referenced by ff_vvc_sao_filter().

◆ sao_copy_hor()

static void sao_copy_hor	(	uint8_t *	dst,
		const ptrdiff_t	dst_stride,
		const uint8_t *	src,
		const ptrdiff_t	src_stride,
		const int	width,
		const int	edges[4],
		const int	ps
	)

static

Definition at line 248 of file filter.c.

Referenced by sao_extends_edges().

◆ sao_extends_edges()

static void sao_extends_edges	(	uint8_t *	dst,
		const ptrdiff_t	dst_stride,
		const uint8_t *	src,
		const ptrdiff_t	src_stride,
		const int	width,
		const int	height,
		const VVCFrameContext *	fc,
		const int	x0,
		const int	y0,
		const int	rx,
		const int	ry,
		const int	edges[4],
		const int	c_idx
	)

static

Definition at line 269 of file filter.c.

Referenced by ff_vvc_sao_filter().

◆ sao_restore_vb()

static void sao_restore_vb	(	uint8_t *	dst,
		ptrdiff_t	dst_stride,
		const uint8_t *	src,
		ptrdiff_t	src_stride,
		const int	width,
		const int	height,
		const int	vb_pos,
		const int	ps,
		const int	vertical
	)

static

Definition at line 296 of file filter.c.

Referenced by ff_vvc_sao_filter().

◆ ff_vvc_sao_filter()

void ff_vvc_sao_filter	(	VVCLocalContext *	lc,
		const int	x0,
		const int	y0
	)

sao filter for the CTU

Parameters

lc	local context for CTU
x0	x position for the CTU
y0	y position for the CTU

Definition at line 314 of file filter.c.

Referenced by run_sao().

◆ boundary_strength()

static int boundary_strength	(	const VVCLocalContext *	lc,
		const MvField *	curr,
		const MvField *	neigh,
		const RefPicList *	neigh_rpl
	)

static

Definition at line 383 of file filter.c.

Referenced by deblock_bs(), and vvc_deblock_subblock_bs().

◆ derive_max_filter_length_luma()

static void derive_max_filter_length_luma	(	const VVCFrameContext *	fc,
		const int	qx,
		const int	qy,
		const int	size_q,
		const int	has_subblock,
		const int	vertical,
		uint8_t *	max_len_p,
		uint8_t *	max_len_q
	)

static

Definition at line 453 of file filter.c.

Referenced by vvc_deblock_bs_luma().

◆ vvc_deblock_subblock_bs()

static void vvc_deblock_subblock_bs	(	const VVCLocalContext *	lc,
		const int	cb,
		int	x0,
		int	y0,
		int	width,
		int	height,
		const int	vertical
	)

static

Definition at line 478 of file filter.c.

Referenced by vvc_deblock_bs_luma().

◆ deblock_bs()

static av_always_inline int deblock_bs	(	const VVCLocalContext *	lc,
		const int	x_p,
		const int	y_p,
		const int	x_q,
		const int	y_q,
		const CodingUnit *	cu,
		const TransformUnit *	tu,
		const RefPicList *	rpl_p,
		const int	c_idx,
		const int	off_to_cb,
		const uint8_t	has_sub_block
	)

static

Definition at line 527 of file filter.c.

Referenced by vvc_deblock_bs_chroma(), and vvc_deblock_bs_luma().

◆ deblock_is_boundary()

static int deblock_is_boundary	(	const VVCLocalContext *	lc,
		const int	boundary,
		const int	pos,
		const int	rs,
		const int	vertical
	)

static

Definition at line 575 of file filter.c.

Referenced by vvc_deblock_bs_chroma(), and vvc_deblock_bs_luma().

◆ vvc_deblock_bs_luma()

static void vvc_deblock_bs_luma	(	const VVCLocalContext *	lc,
		const int	x0,
		const int	y0,
		const int	width,
		const int	height,
		const CodingUnit *	cu,
		const TransformUnit *	tu,
		int	rs,
		const int	vertical
	)

static

Definition at line 606 of file filter.c.

Referenced by ff_vvc_deblock_bs().

◆ vvc_deblock_bs_chroma()

static void vvc_deblock_bs_chroma	(	const VVCLocalContext *	lc,
		const int	x0,
		const int	y0,
		const int	width,
		const int	height,
		const CodingUnit *	cu,
		const TransformUnit *	tu,
		const int	rs,
		const int	vertical
	)

static

Definition at line 646 of file filter.c.

Referenced by ff_vvc_deblock_bs().

◆ ff_vvc_deblock_bs()

void ff_vvc_deblock_bs	(	VVCLocalContext *	lc,
		const int	rx,
		const int	ry,
		const int	rs
	)

derive boundary strength for the CTU

Parameters

lc	local context for CTU
rx	raster x position for the CTU
ry	raster y position for the CTU
rs	raster position for the CTU

Definition at line 674 of file filter.c.

Referenced by run_deblock_bs().

◆ max_filter_length_luma()

static void max_filter_length_luma	(	const VVCFrameContext *	fc,
		const int	qx,
		const int	qy,
		const int	vertical,
		uint8_t *	max_len_p,
		uint8_t *	max_len_q
	)

static

Definition at line 699 of file filter.c.

Referenced by max_filter_length().

◆ max_filter_length_chroma()

static void max_filter_length_chroma	(	const VVCFrameContext *	fc,
		const int	qx,
		const int	qy,
		const int	vertical,
		const int	horizontal_ctu_edge,
		const int	bs,
		uint8_t *	max_len_p,
		uint8_t *	max_len_q
	)

static

Definition at line 707 of file filter.c.

Referenced by max_filter_length().

◆ max_filter_length()

static void max_filter_length	(	const VVCFrameContext *	fc,
		const int	qx,
		const int	qy,
		const int	c_idx,
		const int	vertical,
		const int	horizontal_ctu_edge,
		const int	bs,
		uint8_t *	max_len_p,
		uint8_t *	max_len_q
	)

static

Definition at line 726 of file filter.c.

Referenced by vvc_deblock().

◆ get_qp_y()

static int get_qp_y	(	const VVCFrameContext *	fc,
		const uint8_t *	src,
		const int	x,
		const int	y,
		const int	vertical
	)

static

Definition at line 741 of file filter.c.

Referenced by get_qp().

◆ get_qp_c()

static int get_qp_c	(	const VVCFrameContext *	fc,
		const int	x,
		const int	y,
		const int	c_idx,
		const int	vertical
	)

static

Definition at line 760 of file filter.c.

Referenced by get_qp().

◆ get_qp()

static int get_qp	(	const VVCFrameContext *	fc,
		const uint8_t *	src,
		const int	x,
		const int	y,
		const int	c_idx,
		const int	vertical
	)

static

Definition at line 766 of file filter.c.

Referenced by vvc_deblock().

◆ vvc_deblock()

static void vvc_deblock	(	const VVCLocalContext *	lc,
		int	x0,
		int	y0,
		const int	rs,
		const int	vertical
	)

static

Definition at line 773 of file filter.c.

Referenced by ff_vvc_deblock_horizontal(), and ff_vvc_deblock_vertical().

◆ ff_vvc_deblock_vertical()

void ff_vvc_deblock_vertical	(	const VVCLocalContext *	lc,
		int	x0,
		int	y0,
		int	rs
	)

vertical deblock filter for the CTU

Parameters

lc	local context for CTU
x0	x position for the CTU
y0	y position for the CTU
rs	raster position for the CTU

Definition at line 836 of file filter.c.

Referenced by run_deblock_v().

◆ ff_vvc_deblock_horizontal()

void ff_vvc_deblock_horizontal	(	const VVCLocalContext *	lc,
		int	x0,
		int	y0,
		int	rs
	)

horizontal deblock filter for the CTU

Parameters

lc	local context for CTU
x0	x position for the CTU
y0	y position for the CTU
rs	raster position for the CTU

Definition at line 841 of file filter.c.

Referenced by run_deblock_h().

◆ alf_copy_border()

static void alf_copy_border	(	uint8_t *	dst,
		const uint8_t *	src,
		const int	pixel_shift,
		int	width,
		const int	height,
		const ptrdiff_t	dst_stride,
		const ptrdiff_t	src_stride
	)

static

Definition at line 846 of file filter.c.

Referenced by alf_copy_ctb_to_hv(), alf_fill_border_h(), and alf_fill_border_v().

◆ alf_extend_vert()

static void alf_extend_vert	(	uint8_t *	_dst,
		const uint8_t *	_src,
		const int	pixel_shift,
		const int	width,
		const int	height,
		ptrdiff_t	stride
	)

static

Definition at line 857 of file filter.c.

Referenced by alf_fill_border_v().

◆ alf_extend_horz()

static void alf_extend_horz	(	uint8_t *	dst,
		const uint8_t *	src,
		const int	pixel_shift,
		int	width,
		const int	height,
		const ptrdiff_t	stride
	)

static

Definition at line 880 of file filter.c.

Referenced by alf_fill_border_h(), and alf_fill_border_v().

◆ alf_copy_ctb_to_hv()

static void alf_copy_ctb_to_hv	(	VVCFrameContext *	fc,
		const uint8_t *	src,
		const ptrdiff_t	src_stride,
		const int	x,
		const int	y,
		const int	width,
		const int	height,
		const int	rx,
		const int	ry,
		const int	c_idx
	)

static

Definition at line 890 of file filter.c.

Referenced by ff_vvc_alf_copy_ctu_to_hv().

◆ alf_fill_border_h()

static void alf_fill_border_h	(	uint8_t *	dst,
		const ptrdiff_t	dst_stride,
		const uint8_t *	src,
		const ptrdiff_t	src_stride,
		const uint8_t *	border,
		const int	width,
		const int	border_pixels,
		const int	ps,
		const int	edge
	)

static

Definition at line 912 of file filter.c.

Referenced by alf_prepare_buffer().

◆ alf_fill_border_v()

static void alf_fill_border_v	(	uint8_t *	dst,
		const ptrdiff_t	dst_stride,
		const uint8_t *	src,
		const uint8_t *	border,
		const int	border_pixels,
		const int	height,
		const int	pixel_shift,
		const int *	edges,
		const int	edge
	)

static

Definition at line 921 of file filter.c.

Referenced by alf_prepare_buffer().

◆ alf_prepare_buffer()

static void alf_prepare_buffer	(	VVCFrameContext *	fc,
		uint8_t *	_dst,
		const uint8_t *	_src,
		const int	x,
		const int	y,
		const int	rx,
		const int	ry,
		const int	width,
		const int	height,
		const ptrdiff_t	dst_stride,
		const ptrdiff_t	src_stride,
		const int	c_idx,
		const int *	edges
	)

static

Definition at line 946 of file filter.c.

Referenced by ff_vvc_alf_filter().

◆ alf_get_coeff_and_clip()

static void alf_get_coeff_and_clip	(	VVCLocalContext *	lc,
		int16_t *	coeff,
		int16_t *	clip,
		const uint8_t *	src,
		ptrdiff_t	src_stride,
		int	width,
		int	height,
		int	vb_pos,
		const ALFParams *	alf
	)

static

Definition at line 983 of file filter.c.

Referenced by alf_filter_luma().

◆ alf_filter_luma()

static void alf_filter_luma	(	VVCLocalContext *	lc,
		uint8_t *	dst,
		const uint8_t *	src,
		const ptrdiff_t	dst_stride,
		const ptrdiff_t	src_stride,
		const int	x0,
		const int	y0,
		const int	width,
		const int	height,
		const int	_vb_pos,
		const ALFParams *	alf
	)

static

Definition at line 1013 of file filter.c.

Referenced by ff_vvc_alf_filter().

◆ alf_clip_from_idx()

static int alf_clip_from_idx	(	const VVCFrameContext *	fc,
		const int	idx
	)

static

Definition at line 1029 of file filter.c.

Referenced by alf_filter_chroma().

◆ alf_filter_chroma()

static void alf_filter_chroma	(	VVCLocalContext *	lc,
		uint8_t *	dst,
		const uint8_t *	src,
		const ptrdiff_t	dst_stride,
		const ptrdiff_t	src_stride,
		const int	c_idx,
		const int	width,
		const int	height,
		const int	vb_pos,
		const ALFParams *	alf
	)

static

Definition at line 1037 of file filter.c.

Referenced by ff_vvc_alf_filter().

◆ alf_filter_cc()

static void alf_filter_cc	(	VVCLocalContext *	lc,
		uint8_t *	dst,
		const uint8_t *	luma,
		const ptrdiff_t	dst_stride,
		const ptrdiff_t	luma_stride,
		const int	c_idx,
		const int	width,
		const int	height,
		const int	hs,
		const int	vs,
		const int	vb_pos,
		const ALFParams *	alf
	)

static

Definition at line 1054 of file filter.c.

Referenced by ff_vvc_alf_filter().

◆ ff_vvc_alf_copy_ctu_to_hv()

void ff_vvc_alf_copy_ctu_to_hv	(	VVCLocalContext *	lc,
		const int	x0,
		const int	y0
	)

Definition at line 1071 of file filter.c.

Referenced by run_sao().

◆ alf_get_edges()

static void alf_get_edges	(	const VVCLocalContext *	lc,
		int	edges[MAX_EDGES],
		const int	rx,
		const int	ry
	)

static

Definition at line 1094 of file filter.c.

Referenced by alf_get_subblocks().

◆ alf_init_subblock()

static void alf_init_subblock	(	VVCRect *	sb,
		int	sb_edges[MAX_EDGES],
		const VVCRect *	b,
		const int	edges[MAX_EDGES]
	)

static

Definition at line 1132 of file filter.c.

Referenced by alf_get_subblocks().

◆ alf_get_subblock()

static void alf_get_subblock	(	VVCRect *	sb,
		int	edges[MAX_EDGES],
		const int	bx,
		const int	by,
		const int	vb_pos[2],
		const int	has_vb[2]
	)

static

Definition at line 1138 of file filter.c.

Referenced by alf_get_subblocks().

◆ alf_get_subblocks()

static void alf_get_subblocks	(	const VVCLocalContext *	lc,
		VVCRect	sbs[MAX_VBBS],
		int	sb_edges[MAX_VBBS][MAX_EDGES],
		int *	nb_sbs,
		const int	x0,
		const int	y0,
		const int	rx,
		const int	ry
	)

static

Definition at line 1151 of file filter.c.

Referenced by ff_vvc_alf_filter().

◆ ff_vvc_alf_filter()

void ff_vvc_alf_filter	(	VVCLocalContext *	lc,
		const int	x0,
		const int	y0
	)

alf filter for the CTU

Parameters

lc	local context for CTU
x0	x position for the CTU
y0	y position for the CTU

Definition at line 1175 of file filter.c.

Referenced by run_alf().

◆ ff_vvc_lmcs_filter()

void ff_vvc_lmcs_filter	(	const VVCLocalContext *	lc,
		const int	x0,
		const int	y0
	)

lmcs filter for the CTU

Parameters

lc	local context for CTU
x0	x position for the CTU
y0	y position for the CTU

Definition at line 1230 of file filter.c.

Referenced by run_lmcs().

Variable Documentation

◆ tctable

const uint16_t tctable[66]

static

Initial value:

= {
      0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
      0,   0,   3,   4,   4,   4,   4,   5,   5,   5,   5,   7,   7,   8,   9,  10,
     10,  11,  13,  14,  15,  17,  19,  21,  24,  25,  29,  33,  36,  41,  45,  51,
     57,  64,  71,  80,  89, 100, 112, 125, 141, 157, 177, 198, 222, 250, 280, 314,
    352, 395,
}

Definition at line 43 of file filter.c.

◆ betatable

const uint8_t betatable[64]

static

Initial value:

= {
      0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
      6,   7,   8,   9,  10,  11,  12,  13,  14,  15,  16,  17,  18,  20,  22,  24,
     26,  28,  30,  32,  34,  36,  38,  40,  42,  44,  46,  48,  50,  52,  54,  56,
     58,  60,  62,  64,  66,  68,  70,  72,  74,  76,  78,  80,  82,  84,  86,  88,
}

Definition at line 52 of file filter.c.

Referenced by vvc_deblock().

Macros

Typedefs

Functions

Variables

Macro Definition Documentation

◆ LEFT

◆ TOP

◆ RIGHT

◆ BOTTOM

◆ MAX_EDGES

◆ DEFAULT_INTRA_TC_OFFSET

◆ POS

◆ MAX_VBBS

◆ TAB_BS

◆ TAB_MAX_LEN

◆ DEBLOCK_STEP

◆ LUMA_GRID

◆ CHROMA_GRID

◆ TC_CALC

◆ ALF_MAX_BLOCKS_IN_CTU

◆ ALF_MAX_FILTER_SIZE

Typedef Documentation

◆ deblock_bs_fn

Function Documentation

◆ get_virtual_boundary()

◆ is_virtual_boundary()

◆ get_qPc()

◆ copy_ctb()

◆ copy_pixel()

◆ copy_vert()

◆ copy_ctb_to_hv()

◆ sao_copy_ctb_to_hv()

◆ ff_vvc_sao_copy_ctb_to_hv()

◆ sao_can_cross_slices()

◆ sao_get_edges()

◆ sao_copy_hor()

◆ sao_extends_edges()

◆ sao_restore_vb()

◆ ff_vvc_sao_filter()

◆ boundary_strength()

◆ derive_max_filter_length_luma()

◆ vvc_deblock_subblock_bs()

◆ deblock_bs()

◆ deblock_is_boundary()

◆ vvc_deblock_bs_luma()

◆ vvc_deblock_bs_chroma()

◆ ff_vvc_deblock_bs()

◆ max_filter_length_luma()

◆ max_filter_length_chroma()

◆ max_filter_length()

◆ get_qp_y()

◆ get_qp_c()

◆ get_qp()

◆ vvc_deblock()

◆ ff_vvc_deblock_vertical()

◆ ff_vvc_deblock_horizontal()

◆ alf_copy_border()

◆ alf_extend_vert()

◆ alf_extend_horz()

◆ alf_copy_ctb_to_hv()

◆ alf_fill_border_h()

◆ alf_fill_border_v()

◆ alf_prepare_buffer()

◆ alf_get_coeff_and_clip()

◆ alf_filter_luma()

◆ alf_clip_from_idx()

◆ alf_filter_chroma()

◆ alf_filter_cc()

◆ ff_vvc_alf_copy_ctu_to_hv()

◆ alf_get_edges()

◆ alf_init_subblock()

◆ alf_get_subblock()

◆ alf_get_subblocks()

◆ ff_vvc_alf_filter()

◆ ff_vvc_lmcs_filter()

Variable Documentation

◆ tctable

◆ betatable