vf_dblur.c File Reference

#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	DBlurContext

Macros
#define	OFFSET(x)   offsetof(DBlurContext, x)
#define	FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
#define	f(n, m)   (dst[(n) * width + (m)])

Functions
	AVFILTER_DEFINE_CLASS (dblur)
static int	filter_horizontally (AVFilterContext *ctx, int width, int height)
static void	diriir2d (AVFilterContext *ctx, int plane)
static int	query_formats (AVFilterContext *ctx)
static int	config_input (AVFilterLink *inlink)
static void	set_params (DBlurContext *s, float angle, float r)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)
static av_cold void	uninit (AVFilterContext *ctx)

Variables
static const AVOption	dblur_options []
static const AVFilterPad	dblur_inputs []
static const AVFilterPad	dblur_outputs []
AVFilter	ff_vf_dblur

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(DBlurContext, x)

Definition at line 45 of file vf_dblur.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 46 of file vf_dblur.c.

f

#define f	(		n,
			m
	)		(dst[(n) * width + (m)])

Definition at line 57 of file vf_dblur.c.

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

dblur

)

filter_horizontally()

static int filter_horizontally ( AVFilterContext *  ctx, int  width, int  height  )

static

Definition at line 59 of file vf_dblur.c.

Referenced by diriir2d().

diriir2d()

static void diriir2d ( AVFilterContext *  ctx, int  plane  )

static

Definition at line 106 of file vf_dblur.c.

Referenced by filter_frame().

query_formats()

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 115 of file vf_dblur.c.

config_input()

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 142 of file vf_dblur.c.

set_params()

static void set_params ( DBlurContext *  s, float  angle, float  r  )

static

Definition at line 162 of file vf_dblur.c.

Referenced by filter_frame().

filter_frame()

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

static

Definition at line 186 of file vf_dblur.c.

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 270 of file vf_dblur.c.

Variable Documentation

dblur_options

const AVOption dblur_options[]

static

Initial value:

= {
    { "angle",  "set angle",            OFFSET(angle),  AV_OPT_TYPE_FLOAT, {.dbl=45},  0.0,  360, FLAGS },
    { "radius", "set radius",           OFFSET(radius), AV_OPT_TYPE_FLOAT, {.dbl=5},     1, 8192, FLAGS },
    { "planes", "set planes to filter", OFFSET(planes), AV_OPT_TYPE_INT,   {.i64=0xF},   0,  0xF, FLAGS },
    { NULL }
}

Definition at line 48 of file vf_dblur.c.

dblur_inputs

const AVFilterPad dblur_inputs[]

static

Initial value:

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

Definition at line 277 of file vf_dblur.c.

dblur_outputs

const AVFilterPad dblur_outputs[]

static

Initial value:

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

Definition at line 287 of file vf_dblur.c.

ff_vf_dblur

AVFilter ff_vf_dblur

Initial value:

= {
    .name          = "dblur",
    .description   = NULL_IF_CONFIG_SMALL("Apply Directional Blur filter."),
    .priv_size     = sizeof(DBlurContext),
    .priv_class    = &dblur_class,
    .uninit        = uninit,
    .query_formats = query_formats,
    .inputs        = dblur_inputs,
    .outputs       = dblur_outputs,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
    .process_command = ff_filter_process_command,
}

Definition at line 295 of file vf_dblur.c.