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

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.


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