vf_lagfun.c File Reference

#include "libavutil/imgutils.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "filters.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	LAGFUN(name, type, round, disabled)
#define	OFFSET(x)   offsetof(LagfunContext, x)
#define	FLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_RUNTIME_PARAM

Functions
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 enum AVPixelFormat	pixel_fmts []
static const AVOption	lagfun_options []
static const AVFilterPad	inputs []
static const AVFilterPad	outputs []
const AVFilter	ff_vf_lagfun

Macro Definition Documentation

LAGFUN

#define LAGFUN	(		name,
			type,
			round,
			disabled
	)

Definition at line 73 of file vf_lagfun.c.

OFFSET

#define OFFSET

(

x

)

offsetof(LagfunContext, x)

Definition at line 194 of file vf_lagfun.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 195 of file vf_lagfun.c.

Function Documentation

config_output()

static int config_output ( AVFilterLink *  outlink )

static

Definition at line 129 of file vf_lagfun.c.

filter_frame()

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

static

Definition at line 162 of file vf_lagfun.c.

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 186 of file vf_lagfun.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

lagfun

)

Variable Documentation

pixel_fmts

enum AVPixelFormat pixel_fmts[]

static

Initial value:

= {
    AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9,
    AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14,
    AV_PIX_FMT_GRAY16,
    AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV411P,
    AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P,
    AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P,
    AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P,
    AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ444P,
    AV_PIX_FMT_YUVJ411P,
    AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
    AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
    AV_PIX_FMT_YUV440P10,
    AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV420P12,
    AV_PIX_FMT_YUV440P12,
    AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV420P14,
    AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
    AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
    AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
    AV_PIX_FMT_GRAYF32, AV_PIX_FMT_GBRPF32, AV_PIX_FMT_GBRAPF32,
    AV_PIX_FMT_NONE
}

Definition at line 46 of file vf_lagfun.c.

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 197 of file vf_lagfun.c.

inputs

const AVFilterPad inputs[]

static

Initial value:

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

Definition at line 203 of file vf_lagfun.c.

outputs

const AVFilterPad outputs[]

static

Initial value:

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

Definition at line 211 of file vf_lagfun.c.

ff_vf_lagfun

const 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,
    .uninit        = uninit,
    FILTER_OUTPUTS(outputs),
    FILTER_INPUTS(inputs),
    FILTER_PIXFMTS_ARRAY(pixel_fmts),
    .flags         = AVFILTER_FLAG_SLICE_THREADS | AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
    .process_command = ff_filter_process_command,
}

Definition at line 221 of file vf_lagfun.c.