filter.c File Reference

#include "libavutil/common.h"
#include "libavutil/internal.h"
#include "hevcdec.h"
#include "progressframe.h"

Go to the source code of this file.

Macros
#define	LUMA   0
#define	CB   1
#define	CR   2
#define	CTB(tab, x, y)   ((tab)[(y) * sps->ctb_width + (x)])
#define	TC_CALC(qp, bs)

Functions
static int	chroma_tc (const HEVCPPS *pps, const HEVCSPS *sps, int qp_y, int c_idx, int tc_offset)
static int	get_qPy_pred (HEVCLocalContext *lc, const HEVCContext *s, const HEVCLayerContext *l, const HEVCPPS *pps, const HEVCSPS *sps, int xBase, int yBase, int log2_cb_size)
void	ff_hevc_set_qPy (HEVCLocalContext *lc, const HEVCLayerContext *l, const HEVCPPS *pps, int xBase, int yBase, int log2_cb_size)
static int	get_qPy (const HEVCSPS *sps, const int8_t *qp_y_tab, int xC, int yC)
static void	copy_CTB (uint8_t *dst, const uint8_t *src, int width, int height, ptrdiff_t stride_dst, ptrdiff_t stride_src)
static void	copy_pixel (uint8_t *dst, const uint8_t *src, int pixel_shift)
static void	copy_vert (uint8_t *dst, const uint8_t *src, int pixel_shift, int height, ptrdiff_t stride_dst, ptrdiff_t stride_src)
static void	copy_CTB_to_hv (const HEVCLayerContext *l, const HEVCSPS *sps, const uint8_t *src, ptrdiff_t stride_src, int x, int y, int width, int height, int c_idx, int x_ctb, int y_ctb)
static void	restore_tqb_pixels (const HEVCLayerContext *l, const HEVCPPS *pps, const HEVCSPS *sps, uint8_t *src1, const uint8_t *dst1, ptrdiff_t stride_src, ptrdiff_t stride_dst, int x0, int y0, int width, int height, int c_idx)
static void	sao_filter_CTB (HEVCLocalContext *lc, const HEVCLayerContext *l, const HEVCContext *s, const HEVCPPS *pps, const HEVCSPS *sps, int x, int y)
static int	get_pcm (const HEVCSPS *sps, const uint8_t *is_pcm, int x, int y)
static void	deblocking_filter_CTB (const HEVCContext *s, const HEVCLayerContext *l, const HEVCPPS *pps, const HEVCSPS *sps, int x0, int y0)
static int	boundary_strength (const HEVCContext *s, const MvField *curr, const MvField *neigh, const RefPicList *neigh_refPicList)
void	ff_hevc_deblocking_boundary_strengths (HEVCLocalContext *lc, const HEVCLayerContext *l, const HEVCPPS *pps, int x0, int y0, int log2_trafo_size)
void	ff_hevc_hls_filter (HEVCLocalContext *lc, const HEVCLayerContext *l, const HEVCPPS *pps, int x, int y, int ctb_size)
void	ff_hevc_hls_filters (HEVCLocalContext *lc, const HEVCLayerContext *l, const HEVCPPS *pps, int x_ctb, int y_ctb, int ctb_size)

Variables
static const uint8_t	tctable [54]
static const uint8_t	betatable [52]

Macro Definition Documentation

LUMA

#define LUMA   0

Definition at line 31 of file filter.c.

CB

#define CB   1

Definition at line 32 of file filter.c.

CR

#define CR   2

Definition at line 33 of file filter.c.

CTB

#define CTB	(		tab,
			x,
			y
	)		((tab)[(y) * sps->ctb_width + (x)])

Definition at line 267 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 496 of file filter.c.

Function Documentation

chroma_tc()

static int chroma_tc ( const HEVCPPS *  pps, const HEVCSPS *  sps, int  qp_y, int  c_idx, int  tc_offset  )

static

Definition at line 47 of file filter.c.

Referenced by deblocking_filter_CTB().

get_qPy_pred()

static int get_qPy_pred ( HEVCLocalContext *  lc, const HEVCContext *  s, const HEVCLayerContext *  l, const HEVCPPS *  pps, const HEVCSPS *  sps, int  xBase, int  yBase, int  log2_cb_size  )

static

Definition at line 77 of file filter.c.

Referenced by ff_hevc_set_qPy().

ff_hevc_set_qPy()

void ff_hevc_set_qPy	(	HEVCLocalContext *	lc,
		const HEVCLayerContext *	l,
		const HEVCPPS *	pps,
		int	xBase,
		int	yBase,
		int	log2_cb_size
	)

Definition at line 122 of file filter.c.

Referenced by hls_coding_unit(), and hls_transform_unit().

get_qPy()

static int get_qPy ( const HEVCSPS *  sps, const int8_t *  qp_y_tab, int  xC, int  yC  )

static

Definition at line 138 of file filter.c.

Referenced by deblocking_filter_CTB().

copy_CTB()

static void copy_CTB ( uint8_t *  dst, const uint8_t *  src, int  width, int  height, ptrdiff_t  stride_dst, ptrdiff_t  stride_src  )

static

Definition at line 146 of file filter.c.

Referenced by sao_filter_CTB().

copy_pixel()

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

static

Definition at line 179 of file filter.c.

Referenced by sao_filter_CTB().

copy_vert()

static void copy_vert ( uint8_t *  dst, const uint8_t *  src, int  pixel_shift, int  height, ptrdiff_t  stride_dst, ptrdiff_t  stride_src  )

static

Definition at line 187 of file filter.c.

Referenced by copy_CTB_to_hv(), and sao_filter_CTB().

copy_CTB_to_hv()

static void copy_CTB_to_hv ( const HEVCLayerContext *  l, const HEVCSPS *  sps, const uint8_t *  src, ptrdiff_t  stride_src, int  x, int  y, int  width, int  height, int  c_idx, int  x_ctb, int  y_ctb  )

static

Definition at line 207 of file filter.c.

Referenced by sao_filter_CTB().

restore_tqb_pixels()

static void restore_tqb_pixels ( const HEVCLayerContext *  l, const HEVCPPS *  pps, const HEVCSPS *  sps, uint8_t *  src1, const uint8_t *  dst1, ptrdiff_t  stride_src, ptrdiff_t  stride_dst, int  x0, int  y0, int  width, int  height, int  c_idx  )

static

Definition at line 228 of file filter.c.

Referenced by sao_filter_CTB().

sao_filter_CTB()

static void sao_filter_CTB ( HEVCLocalContext *  lc, const HEVCLayerContext *  l, const HEVCContext *  s, const HEVCPPS *  pps, const HEVCSPS *  sps, int  x, int  y  )

static

Definition at line 269 of file filter.c.

Referenced by ff_hevc_hls_filter().

get_pcm()

static int get_pcm ( const HEVCSPS *  sps, const uint8_t *  is_pcm, int  x, int  y  )

static

Definition at line 480 of file filter.c.

Referenced by deblocking_filter_CTB().

deblocking_filter_CTB()

static void deblocking_filter_CTB ( const HEVCContext *  s, const HEVCLayerContext *  l, const HEVCPPS *  pps, const HEVCSPS *  sps, int  x0, int  y0  )

static

Definition at line 501 of file filter.c.

Referenced by ff_hevc_hls_filter().

boundary_strength()

static int boundary_strength ( const HEVCContext *  s, const MvField *  curr, const MvField *  neigh, const RefPicList *  neigh_refPicList  )

static

Definition at line 678 of file filter.c.

Referenced by ff_hevc_deblocking_boundary_strengths().

ff_hevc_deblocking_boundary_strengths()

void ff_hevc_deblocking_boundary_strengths	(	HEVCLocalContext *	lc,
		const HEVCLayerContext *	l,
		const HEVCPPS *	pps,
		int	x0,
		int	y0,
		int	log2_trafo_size
	)

Definition at line 742 of file filter.c.

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

ff_hevc_hls_filter()

void ff_hevc_hls_filter	(	HEVCLocalContext *	lc,
		const HEVCLayerContext *	l,
		const HEVCPPS *	pps,
		int	x,
		int	y,
		int	ctb_size
	)

Definition at line 872 of file filter.c.

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

ff_hevc_hls_filters()

void ff_hevc_hls_filters	(	HEVCLocalContext *	lc,
		const HEVCLayerContext *	l,
		const HEVCPPS *	pps,
		int	x_ctb,
		int	y_ctb,
		int	ctb_size
	)

Definition at line 912 of file filter.c.

Referenced by hls_decode_entry(), and hls_decode_entry_wpp().

Variable Documentation

tctable

const uint8_t tctable[54]

static

Initial value:

= {
    0, 0, 0, 0, 0, 0, 0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 0, 0, 1, 
    1, 1, 1, 1, 1, 1, 1,  1,  2,  2,  2,  2,  3,  3,  3,  3, 4, 4, 4, 
    5, 5, 6, 6, 7, 8, 9, 10, 11, 13, 14, 16, 18, 20, 22, 24           
}

Definition at line 35 of file filter.c.

Referenced by chroma_tc().

betatable

const uint8_t betatable[52]

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                      
}

Definition at line 41 of file filter.c.

Referenced by deblocking_filter_CTB().