vf_lagfun.c File Reference

#include "libavutil/imgutils.h"
#include "libavutil/intreadwrite.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	LagfunContext
struct	ThreadData
	Used for passing data between threads. More...

Macros
#define	OFFSET(x)   offsetof(LagfunContext, x)
#define	FLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM

Functions
static int	query_formats (AVFilterContext *ctx)
static int	lagfun_frame8 (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	lagfun_frame16 (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	config_output (AVFilterLink *outlink)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)
static av_cold void	uninit (AVFilterContext *ctx)
	AVFILTER_DEFINE_CLASS (lagfun)

Variables
static const AVOption	lagfun_options []
static const AVFilterPad	inputs []
static const AVFilterPad	outputs []
AVFilter	ff_vf_lagfun

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(LagfunContext, x)

Definition at line 213 of file vf_lagfun.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM

Definition at line 214 of file vf_lagfun.c.

Function Documentation

query_formats()

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 47 of file vf_lagfun.c.

lagfun_frame8()

static int lagfun_frame8 ( AVFilterContext *  ctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 80 of file vf_lagfun.c.

Referenced by config_output().

lagfun_frame16()

static int lagfun_frame16 ( AVFilterContext *  ctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 116 of file vf_lagfun.c.

Referenced by config_output().

config_output()

static int config_output ( AVFilterLink *  outlink )

static

Definition at line 152 of file vf_lagfun.c.

filter_frame()

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

static

Definition at line 175 of file vf_lagfun.c.

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 206 of file vf_lagfun.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

lagfun

)

Variable Documentation

lagfun_options

const AVOption lagfun_options[]

static

Initial value:

= {
    { "decay",  "set decay",                 OFFSET(decay),  AV_OPT_TYPE_FLOAT, {.dbl=.95},  0,  1,  FLAGS },
    { "planes", "set what planes to filter", OFFSET(planes), AV_OPT_TYPE_FLAGS, {.i64=15},   0, 15,  FLAGS },
    { NULL },
}

Definition at line 216 of file vf_lagfun.c.

inputs

const AVFilterPad inputs[]

static

Initial value:

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

Definition at line 222 of file vf_lagfun.c.

outputs

const AVFilterPad outputs[]

static

Initial value:

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

Definition at line 231 of file vf_lagfun.c.

ff_vf_lagfun

AVFilter ff_vf_lagfun

Initial value:

= {
    .name          = "lagfun",
    .description   = NULL_IF_CONFIG_SMALL("Slowly update darker pixels."),
    .priv_size     = sizeof(LagfunContext),
    .priv_class    = &lagfun_class,
    .query_formats = query_formats,
    .uninit        = uninit,
    .outputs       = outputs,
    .inputs        = inputs,
    .flags         = AVFILTER_FLAG_SLICE_THREADS,
}

Definition at line 242 of file vf_lagfun.c.