vf_chromanr.c File Reference

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

Go to the source code of this file.

Data Structures
struct	ChromaNRContext

Macros
#define	FILTER_FUNC(name, type)
#define	OFFSET(x)   offsetof(ChromaNRContext, x)
#define	VF   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_RUNTIME_PARAM

Functions
static int	query_formats (AVFilterContext *ctx)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)
static int	config_input (AVFilterLink *inlink)
	AVFILTER_DEFINE_CLASS (chromanr)

Variables
static const AVOption	chromanr_options []
static const AVFilterPad	inputs []
static const AVFilterPad	outputs []
AVFilter	ff_vf_chromanr

Macro Definition Documentation

#define FILTER_FUNC	(		name,
			type
	)

Definition at line 82 of file vf_chromanr.c.

#define OFFSET

(

x

)

offsetof(ChromaNRContext, x)

Definition at line 230 of file vf_chromanr.c.

#define VF   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 231 of file vf_chromanr.c.

Function Documentation

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 58 of file vf_chromanr.c.

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

static

Definition at line 178 of file vf_chromanr.c.

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 207 of file vf_chromanr.c.

AVFILTER_DEFINE_CLASS

(

chromanr

)

Variable Documentation

const AVOption chromanr_options[]

static

Initial value:

= {
    { "thres", "set y+u+v threshold", OFFSET(threshold), AV_OPT_TYPE_FLOAT, {.dbl=30}, 1, 200, VF },
    { "sizew", "set horizontal size", OFFSET(sizew),     AV_OPT_TYPE_INT,   {.i64=5},  1, 100, VF },
    { "sizeh", "set vertical size",   OFFSET(sizeh),     AV_OPT_TYPE_INT,   {.i64=5},  1, 100, VF },
    { "stepw", "set horizontal step", OFFSET(stepw),     AV_OPT_TYPE_INT,   {.i64=1},  1,  50, VF },
    { "steph", "set vertical step",   OFFSET(steph),     AV_OPT_TYPE_INT,   {.i64=1},  1,  50, VF },
    { "threy", "set y threshold",   OFFSET(threshold_y), AV_OPT_TYPE_FLOAT, {.dbl=200},1, 200, VF },
    { "threu", "set u threshold",   OFFSET(threshold_u), AV_OPT_TYPE_FLOAT, {.dbl=200},1, 200, VF },
    { "threv", "set v threshold",   OFFSET(threshold_v), AV_OPT_TYPE_FLOAT, {.dbl=200},1, 200, VF },
    { NULL }
}

Definition at line 233 of file vf_chromanr.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 245 of file vf_chromanr.c.

const AVFilterPad outputs[]

static

Initial value:

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

Definition at line 255 of file vf_chromanr.c.

AVFilter ff_vf_chromanr

Initial value:

= {
    .name          = "chromanr",
    .description   = NULL_IF_CONFIG_SMALL("Reduce chrominance noise."),
    .priv_size     = sizeof(ChromaNRContext),
    .priv_class    = &chromanr_class,
    .query_formats = query_formats,
    .outputs       = outputs,
    .inputs        = inputs,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
    .process_command = ff_filter_process_command,
}

Definition at line 265 of file vf_chromanr.c.