vf_atadenoise.c File Reference

Adaptive Temporal Averaging Denoiser, based on paper "Video Denoising Based on Adaptive Temporal Averaging" by David Bartovčak and Miroslav Vrankić More...

#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "bufferqueue.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	ATADenoiseContext
struct	ThreadData

Macros
#define	FF_BUFQUEUE_SIZE   129
#define	SIZE   FF_BUFQUEUE_SIZE
#define	OFFSET(x)   offsetof(ATADenoiseContext, x)
#define	FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Functions
	AVFILTER_DEFINE_CLASS (atadenoise)
static int	query_formats (AVFilterContext *ctx)
static av_cold int	init (AVFilterContext *ctx)
static int	filter_slice8 (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	filter_slice16 (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	config_input (AVFilterLink *inlink)
static int	filter_frame (AVFilterLink *inlink, AVFrame *buf)
static int	request_frame (AVFilterLink *outlink)
static av_cold void	uninit (AVFilterContext *ctx)

Variables
static const AVOption	atadenoise_options []
static const AVFilterPad	inputs []
static const AVFilterPad	outputs []
AVFilter	ff_vf_atadenoise

Detailed Description

Adaptive Temporal Averaging Denoiser, based on paper "Video Denoising Based on Adaptive Temporal Averaging" by David Bartovčak and Miroslav Vrankić

Definition in file vf_atadenoise.c.

Macro Definition Documentation

#define FF_BUFQUEUE_SIZE   129

Definition at line 32 of file vf_atadenoise.c.

#define SIZE   FF_BUFQUEUE_SIZE

Definition at line 39 of file vf_atadenoise.c.

Referenced by filter_slice16(), and filter_slice8().

#define OFFSET

(

x

)

offsetof(ATADenoiseContext, x)

Definition at line 60 of file vf_atadenoise.c.

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 61 of file vf_atadenoise.c.

Function Documentation

AVFILTER_DEFINE_CLASS

(

atadenoise

)

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 76 of file vf_atadenoise.c.

static av_cold int init ( AVFilterContext *  ctx )

static

Definition at line 99 of file vf_atadenoise.c.

static int filter_slice8 ( AVFilterContext *  ctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 116 of file vf_atadenoise.c.

Referenced by config_input().

static int filter_slice16 ( AVFilterContext *  ctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 187 of file vf_atadenoise.c.

Referenced by config_input().

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 258 of file vf_atadenoise.c.

static int filter_frame ( AVFilterLink *  inlink, AVFrame *  buf  )

static

Definition at line 288 of file vf_atadenoise.c.

Referenced by request_frame().

static int request_frame ( AVFilterLink *  outlink )

static

Definition at line 357 of file vf_atadenoise.c.

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 377 of file vf_atadenoise.c.

Variable Documentation

const AVOption atadenoise_options[]

static

Initial value:

= {
    { "0a", "set threshold A for 1st plane", OFFSET(fthra[0]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0, 0.3, FLAGS },
    { "0b", "set threshold B for 1st plane", OFFSET(fthrb[0]), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 5.0, FLAGS },
    { "1a", "set threshold A for 2nd plane", OFFSET(fthra[1]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0, 0.3, FLAGS },
    { "1b", "set threshold B for 2nd plane", OFFSET(fthrb[1]), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 5.0, FLAGS },
    { "2a", "set threshold A for 3rd plane", OFFSET(fthra[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0, 0.3, FLAGS },
    { "2b", "set threshold B for 3rd plane", OFFSET(fthrb[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 5.0, FLAGS },
    { "s",  "set how many frames to use",    OFFSET(size),     AV_OPT_TYPE_INT,   {.i64=33},   5, SIZE, FLAGS },
    { NULL }
}

Definition at line 63 of file vf_atadenoise.c.

const AVFilterPad inputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .filter_frame = filter_frame,
        .config_props = config_input,
    },
    { NULL }
}

Definition at line 384 of file vf_atadenoise.c.

const AVFilterPad outputs[]

static

Initial value:

= {
    {
        .name          = "default",
        .type          = AVMEDIA_TYPE_VIDEO,
        .request_frame = request_frame,
    },
    { NULL }
}

Definition at line 394 of file vf_atadenoise.c.

AVFilter ff_vf_atadenoise

Initial value:

= {
    .name          = "atadenoise",
    .description   = NULL_IF_CONFIG_SMALL("Apply an Adaptive Temporal Averaging Denoiser."),
    .priv_size     = sizeof(ATADenoiseContext),
    .priv_class    = &atadenoise_class,
    .init          = init,
    .uninit        = uninit,
    .query_formats = query_formats,
    .inputs        = inputs,
    .outputs       = outputs,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS,
}

Definition at line 403 of file vf_atadenoise.c.