vf_derain.c File Reference

#include "libavformat/avio.h"
#include "libavutil/opt.h"
#include "avfilter.h"
#include "dnn_interface.h"
#include "formats.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	DRContext

Macros
#define	CLIP(x, min, max)   (x < min ? min : (x > max ? max : x))
#define	OFFSET(x)   offsetof(DRContext, x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM

Functions
	AVFILTER_DEFINE_CLASS (derain)
static int	query_formats (AVFilterContext *ctx)
static int	config_inputs (AVFilterLink *inlink)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)
static av_cold int	init (AVFilterContext *ctx)
static av_cold void	uninit (AVFilterContext *ctx)

Variables
static const AVOption	derain_options []
static const AVFilterPad	derain_inputs []
static const AVFilterPad	derain_outputs []
AVFilter	ff_vf_derain

Detailed Description

Filter implementing image derain filter using deep convolutional networks. http://openaccess.thecvf.com/content_ECCV_2018/html/Xia_Li_Recurrent_Squeeze-and-Excitation_Context_ECCV_2018_paper.html

Definition in file vf_derain.c.

Macro Definition Documentation

CLIP

#define CLIP	(		x,
			min,
			max
	)		(x < min ? min : (x > max ? max : x))

Definition at line 45 of file vf_derain.c.

OFFSET

#define OFFSET

(

x

)

offsetof(DRContext, x)

Definition at line 46 of file vf_derain.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM

Definition at line 47 of file vf_derain.c.

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

derain

)

query_formats()

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 60 of file vf_derain.c.

config_inputs()

static int config_inputs ( AVFilterLink *  inlink )

static

Definition at line 73 of file vf_derain.c.

filter_frame()

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

static

Definition at line 93 of file vf_derain.c.

init()

static av_cold int init ( AVFilterContext *  ctx )

static

Definition at line 145 of file vf_derain.c.

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 173 of file vf_derain.c.

Variable Documentation

derain_options

const AVOption derain_options[]

static

Initial value:

= {
    { "dnn_backend", "DNN backend",             OFFSET(backend_type),   AV_OPT_TYPE_INT,    { .i64 = 0 },    0, 1, FLAGS, "backend" },
    { "native",      "native backend flag",     0,                      AV_OPT_TYPE_CONST,  { .i64 = 0 },    0, 0, FLAGS, "backend" },
 
 
 
    { "model",       "path to model file",      OFFSET(model_filename), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, FLAGS },
    { NULL }
}

Definition at line 48 of file vf_derain.c.

derain_inputs

const AVFilterPad derain_inputs[]

static

Initial value:

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

Definition at line 183 of file vf_derain.c.

derain_outputs

const AVFilterPad derain_outputs[]

static

Initial value:

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

Definition at line 193 of file vf_derain.c.

ff_vf_derain

AVFilter ff_vf_derain

Initial value:

= {
    .name          = "derain",
    .description   = NULL_IF_CONFIG_SMALL("Apply derain filter to the input."),
    .priv_size     = sizeof(DRContext),
    .init          = init,
    .uninit        = uninit,
    .query_formats = query_formats,
    .inputs        = derain_inputs,
    .outputs       = derain_outputs,
    .priv_class    = &derain_class,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
}

Definition at line 201 of file vf_derain.c.