bwdifdsp.c File Reference

#include <stdint.h>
#include <string.h>
#include "config.h"
#include "bwdifdsp.h"
#include "libavutil/attributes.h"
#include "libavutil/common.h"
#include "libavutil/macros.h"

Go to the source code of this file.

Macros
#define	FILTER_INTRA()
#define	FILTER1()
#define	SPAT_CHECK()
#define	FILTER_LINE()
#define	FILTER_EDGE()
#define	FILTER2()

Functions
void	ff_bwdif_filter_intra_c (void *dst1, const void *cur1, int w, int prefs, int mrefs, int prefs3, int mrefs3, int parity, int clip_max)
void	ff_bwdif_filter_line_c (void *dst1, const void *prev1, const void *cur1, const void *next1, int w, int prefs, int mrefs, int prefs2, int mrefs2, int prefs3, int mrefs3, int prefs4, int mrefs4, int parity, int clip_max)
void	ff_bwdif_filter_edge_c (void *dst1, const void *prev1, const void *cur1, const void *next1, int w, int prefs, int mrefs, int prefs2, int mrefs2, int parity, int clip_max, int spat)
static void	filter_intra_16bit (void *dst1, const void *cur1, int w, int prefs, int mrefs, int prefs3, int mrefs3, int parity, int clip_max)
static void	filter_line_c_16bit (void *dst1, const void *prev1, const void *cur1, const void *next1, int w, int prefs, int mrefs, int prefs2, int mrefs2, int prefs3, int mrefs3, int prefs4, int mrefs4, int parity, int clip_max)
static void	filter_edge_16bit (void *dst1, const void *prev1, const void *cur1, const void *next1, int w, int prefs, int mrefs, int prefs2, int mrefs2, int parity, int clip_max, int spat)
av_cold void	ff_bwdif_init_filter_line (BWDIFDSPContext *s, int bit_depth)

Variables
static const uint16_t	coef_lf [2] = { 4309, 213 }
static const uint16_t	coef_hf [3] = { 5570, 3801, 1016 }
static const uint16_t	coef_sp [2] = { 5077, 981 }

Macro Definition Documentation

FILTER_INTRA

#define FILTER_INTRA

(

)

Value:

    for (x = 0; x < w; x++) { \
        interpol = (coef_sp[0] * (cur[mrefs] + cur[prefs]) - coef_sp[1] * (cur[mrefs3] + cur[prefs3])) >> 13; \
        dst[0] = av_clip(interpol, 0, clip_max); \
 \
        dst++; \
        cur++; \
    }

Definition at line 52 of file bwdifdsp.c.

Referenced by ff_bwdif_filter_intra_c(), and filter_intra_16bit().

FILTER1

#define FILTER1

(

)

Value:

    for (x = 0; x < w; x++) { \
        int c = cur[mrefs]; \
        int d = (prev2[0] + next2[0]) >> 1; \
        int e = cur[prefs]; \
        int temporal_diff0 = FFABS(prev2[0] - next2[0]); \
        int temporal_diff1 =(FFABS(prev[mrefs] - c) + FFABS(prev[prefs] - e)) >> 1; \
        int temporal_diff2 =(FFABS(next[mrefs] - c) + FFABS(next[prefs] - e)) >> 1; \
        int diff = FFMAX3(temporal_diff0 >> 1, temporal_diff1, temporal_diff2); \
 \
        if (!diff) { \
            dst[0] = d; \
        } else {

Definition at line 61 of file bwdifdsp.c.

Referenced by ff_bwdif_filter_edge_c(), ff_bwdif_filter_line_c(), filter_edge_16bit(), and filter_line_c_16bit().

SPAT_CHECK

#define SPAT_CHECK

(

)

Value:

            int b = ((prev2[mrefs2] + next2[mrefs2]) >> 1) - c; \
            int f = ((prev2[prefs2] + next2[prefs2]) >> 1) - e; \
            int dc = d - c; \
            int de = d - e; \
            int max = FFMAX3(de, dc, FFMIN(b, f)); \
            int min = FFMIN3(de, dc, FFMAX(b, f)); \
            diff = FFMAX3(diff, min, -max);

Definition at line 75 of file bwdifdsp.c.

FILTER_LINE

#define FILTER_LINE

(

)

Value:

            SPAT_CHECK() \
            if (FFABS(c - e) > temporal_diff0) { \
                interpol = (((coef_hf[0] * (prev2[0] + next2[0]) \
                    - coef_hf[1] * (prev2[mrefs2] + next2[mrefs2] + prev2[prefs2] + next2[prefs2]) \
                    + coef_hf[2] * (prev2[mrefs4] + next2[mrefs4] + prev2[prefs4] + next2[prefs4])) >> 2) \
                    + coef_lf[0] * (c + e) - coef_lf[1] * (cur[mrefs3] + cur[prefs3])) >> 13; \
            } else { \
                interpol = (coef_sp[0] * (c + e) - coef_sp[1] * (cur[mrefs3] + cur[prefs3])) >> 13; \
            }

Definition at line 84 of file bwdifdsp.c.

Referenced by ff_bwdif_filter_line_c(), and filter_line_c_16bit().

FILTER_EDGE

#define FILTER_EDGE

(

)

Value:

            if (spat) { \
                SPAT_CHECK() \
            } \
            interpol = (c + e) >> 1;

Definition at line 95 of file bwdifdsp.c.

Referenced by ff_bwdif_filter_edge_c(), and filter_edge_16bit().

FILTER2

#define FILTER2

(

)

Value:

            if (interpol > d + diff) \
                interpol = d + diff; \
            else if (interpol < d - diff) \
                interpol = d - diff; \
 \
            dst[0] = av_clip(interpol, 0, clip_max); \
        } \
 \
        dst++; \
        cur++; \
        prev++; \
        next++; \
        prev2++; \
        next2++; \
    }

Definition at line 101 of file bwdifdsp.c.

Referenced by ff_bwdif_filter_edge_c(), ff_bwdif_filter_line_c(), filter_edge_16bit(), and filter_line_c_16bit().

Function Documentation

ff_bwdif_filter_intra_c()

void ff_bwdif_filter_intra_c	(	void *	dst1,
		const void *	cur1,
		int	w,
		int	prefs,
		int	mrefs,
		int	prefs3,
		int	mrefs3,
		int	parity,
		int	clip_max )

Definition at line 118 of file bwdifdsp.c.

Referenced by ff_bwdif_init_filter_line(), and filter_intra_helper().

ff_bwdif_filter_line_c()

void ff_bwdif_filter_line_c	(	void *	dst1,
		const void *	prev1,
		const void *	cur1,
		const void *	next1,
		int	w,
		int	prefs,
		int	mrefs,
		int	prefs2,
		int	mrefs2,
		int	prefs3,
		int	mrefs3,
		int	prefs4,
		int	mrefs4,
		int	parity,
		int	clip_max )

Definition at line 128 of file bwdifdsp.c.

Referenced by ff_bwdif_filter_line3_c(), ff_bwdif_init_filter_line(), and filter_line_helper().

ff_bwdif_filter_edge_c()

void ff_bwdif_filter_edge_c	(	void *	dst1,
		const void *	prev1,
		const void *	cur1,
		const void *	next1,
		int	w,
		int	prefs,
		int	mrefs,
		int	prefs2,
		int	mrefs2,
		int	parity,
		int	clip_max,
		int	spat )

Definition at line 146 of file bwdifdsp.c.

Referenced by ff_bwdif_init_filter_line(), and filter_edge_helper().

filter_intra_16bit()

static void filter_intra_16bit ( void * dst1, const void * cur1, int w, int prefs, int mrefs, int prefs3, int mrefs3, int parity, int clip_max )

static

Definition at line 163 of file bwdifdsp.c.

Referenced by ff_bwdif_init_filter_line().

filter_line_c_16bit()

static void filter_line_c_16bit ( void * dst1, const void * prev1, const void * cur1, const void * next1, int w, int prefs, int mrefs, int prefs2, int mrefs2, int prefs3, int mrefs3, int prefs4, int mrefs4, int parity, int clip_max )

static

Definition at line 173 of file bwdifdsp.c.

Referenced by config_output(), and ff_bwdif_init_filter_line().

filter_edge_16bit()

static void filter_edge_16bit ( void * dst1, const void * prev1, const void * cur1, const void * next1, int w, int prefs, int mrefs, int prefs2, int mrefs2, int parity, int clip_max, int spat )

static

Definition at line 191 of file bwdifdsp.c.

Referenced by ff_bwdif_init_filter_line().

ff_bwdif_init_filter_line()

av_cold void ff_bwdif_init_filter_line	(	BWDIFDSPContext *	s,
		int	bit_depth )

Definition at line 208 of file bwdifdsp.c.

Referenced by checkasm_check_vf_bwdif(), and config_props().

Variable Documentation

coef_lf

const uint16_t coef_lf[2] = { 4309, 213 }

static

Definition at line 47 of file bwdifdsp.c.

Referenced by deinterlace_plane_slice().

coef_hf

const uint16_t coef_hf[3] = { 5570, 3801, 1016 }

static

Definition at line 48 of file bwdifdsp.c.

Referenced by deinterlace_plane_slice().

coef_sp

const uint16_t coef_sp[2] = { 5077, 981 }

static

Definition at line 49 of file bwdifdsp.c.