libavfilter/vf_hqdn3d.c File Reference

high quality 3d video denoiser, ported from MPlayer libmpcodecs/vf_hqdn3d.c. More...

#include "libavutil/pixdesc.h"
#include "avfilter.h"

Go to the source code of this file.

Data Structures
struct	HQDN3DContext
Defines
#define	PARAM1_DEFAULT   4.0
#define	PARAM2_DEFAULT   3.0
#define	PARAM3_DEFAULT   6.0
Functions
static unsigned int	LowPassMul (unsigned int PrevMul, unsigned int CurrMul, int *Coef)
static void	deNoiseTemporal (unsigned char *FrameSrc, unsigned char *FrameDest, unsigned short *FrameAnt, int W, int H, int sStride, int dStride, int *Temporal)
static void	deNoiseSpacial (unsigned char *Frame, unsigned char *FrameDest, unsigned int *LineAnt, int W, int H, int sStride, int dStride, int *Horizontal, int *Vertical)
static void	deNoise (unsigned char *Frame, unsigned char *FrameDest, unsigned int *LineAnt, unsigned short **FrameAntPtr, int W, int H, int sStride, int dStride, int *Horizontal, int *Vertical, int *Temporal)
static void	PrecalcCoefs (int *Ct, double Dist25)
static int	init (AVFilterContext *ctx, const char *args, void *opaque)
static void	uninit (AVFilterContext *ctx)
static int	query_formats (AVFilterContext *ctx)
static int	config_input (AVFilterLink *inlink)
static void	null_draw_slice (AVFilterLink *link, int y, int h, int slice_dir)
static void	end_frame (AVFilterLink *inlink)
Variables
AVFilter	avfilter_vf_hqdn3d

---

Detailed Description

high quality 3d video denoiser, ported from MPlayer libmpcodecs/vf_hqdn3d.c.

Definition in file vf_hqdn3d.c.

---

Define Documentation

#define PARAM1_DEFAULT   4.0

Definition at line 193 of file vf_hqdn3d.c.

#define PARAM2_DEFAULT   3.0

Definition at line 194 of file vf_hqdn3d.c.

#define PARAM3_DEFAULT   6.0

Definition at line 195 of file vf_hqdn3d.c.

---

Function Documentation

static int config_input

(

AVFilterLink *

inlink

)

[static]

Definition at line 276 of file vf_hqdn3d.c.

static void deNoise	(	unsigned char *	Frame,
		unsigned char *	FrameDest,
		unsigned int *	LineAnt,
		unsigned short **	FrameAntPtr,
		int	W,
		int	H,
		int	sStride,
		int	dStride,
		int *	Horizontal,
		int *	Vertical,
		int *	Temporal
	)			[static]

Definition at line 106 of file vf_hqdn3d.c.

static void deNoiseSpacial	(	unsigned char *	Frame,
		unsigned char *	FrameDest,
		unsigned int *	LineAnt,
		int	W,
		int	H,
		int	sStride,
		int	dStride,
		int *	Horizontal,
		int *	Vertical
	)			[static]

Definition at line 67 of file vf_hqdn3d.c.

static void deNoiseTemporal	(	unsigned char *	FrameSrc,
		unsigned char *	FrameDest,
		unsigned short *	FrameAnt,
		int	W,
		int	H,
		int	sStride,
		int	dStride,
		int *	Temporal
	)			[static]

Definition at line 46 of file vf_hqdn3d.c.

static void end_frame

(

AVFilterLink *

inlink

)

[static]

Definition at line 292 of file vf_hqdn3d.c.

static int init	(	AVFilterContext *	ctx,
		const char *	args,
		void *	opaque
	)			[static]

Definition at line 197 of file vf_hqdn3d.c.

static unsigned int LowPassMul	(	unsigned int	PrevMul,
		unsigned int	CurrMul,
		int *	Coef
	)			[inline, static]

Definition at line 38 of file vf_hqdn3d.c.

static void null_draw_slice	(	AVFilterLink *	link,
		int	y,
		int	h,
		int	slice_dir
	)			[static]

Definition at line 290 of file vf_hqdn3d.c.

static void PrecalcCoefs	(	int *	Ct,
		double	Dist25
	)			[static]

Definition at line 177 of file vf_hqdn3d.c.

static int query_formats

(

AVFilterContext *

ctx

)

[static]

Definition at line 265 of file vf_hqdn3d.c.

static void uninit

(

AVFilterContext *

ctx

)

[static]

Definition at line 255 of file vf_hqdn3d.c.

---

Variable Documentation

AVFilter avfilter_vf_hqdn3d

Initial value:

 {
    .name          = "hqdn3d",
    .description   = NULL_IF_CONFIG_SMALL("Apply a High Quality 3D Denoiser."),

    .priv_size     = sizeof(HQDN3DContext),
    .init          = init,
    .uninit        = uninit,
    .query_formats = query_formats,

    .inputs    = (const AVFilterPad[]) {{ .name       = "default",
                                    .type             = AVMEDIA_TYPE_VIDEO,
                                    .draw_slice       = null_draw_slice,
                                    .config_props     = config_input,
                                    .end_frame        = end_frame },
                                  { .name = NULL}},

    .outputs   = (const AVFilterPad[]) {{ .name       = "default",
                                    .type             = AVMEDIA_TYPE_VIDEO },
                                  { .name = NULL}},
}

Definition at line 326 of file vf_hqdn3d.c.