vf_kerndeint.c File Reference

Kernel Deinterlacer Ported from MPlayer libmpcodecs/vf_kerndeint.c. More...

#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"

Go to the source code of this file.

Data Structures
struct	KerndeintContext

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

Functions
	AVFILTER_DEFINE_CLASS (kerndeint)
static av_cold int	init (AVFilterContext *ctx, const char *args)
static av_cold void	uninit (AVFilterContext *ctx)
static int	query_formats (AVFilterContext *ctx)
static int	config_props (AVFilterLink *inlink)
static int	filter_frame (AVFilterLink *inlink, AVFilterBufferRef *inpic)

Variables
static const AVOption	kerndeint_options []
static const AVFilterPad	kerndeint_inputs []
static const AVFilterPad	kerndeint_outputs []
AVFilter	avfilter_vf_kerndeint

Detailed Description

Kernel Deinterlacer Ported from MPlayer libmpcodecs/vf_kerndeint.c.

Definition in file vf_kerndeint.c.

Macro Definition Documentation

#define OFFSET

(

x

)

offsetof(KerndeintContext, x)

Definition at line 47 of file vf_kerndeint.c.

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 48 of file vf_kerndeint.c.

Function Documentation

AVFILTER_DEFINE_CLASS

(

kerndeint

)

static av_cold int init ( AVFilterContext *  ctx, const char *  args  )

static

Definition at line 60 of file vf_kerndeint.c.

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 71 of file vf_kerndeint.c.

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 79 of file vf_kerndeint.c.

static int config_props ( AVFilterLink *  inlink )

static

Definition at line 96 of file vf_kerndeint.c.

static int filter_frame ( AVFilterLink *  inlink, AVFilterBufferRef *  inpic  )

static

< Previous field's pixel line number n

< Previous field's pixel line number (n - 1)

< Previous field's pixel line number (n + 1)

< Previous field's pixel line number (n - 2)

< Previous field's pixel line number (n + 2)

< Previous field's pixel line number (n - 4)

< Previous field's pixel line number (n + 4)

< Current field's pixel line number n

< Current field's pixel line number (n - 1)

< Current field's pixel line number (n + 1)

< Current field's pixel line number (n - 2)

< Current field's pixel line number (n + 2)

< Current field's pixel line number (n - 3)

< Current field's pixel line number (n + 3)

< Current field's pixel line number (n - 4)

< Current field's pixel line number (n + 4)

Definition at line 112 of file vf_kerndeint.c.

Variable Documentation

const AVOption kerndeint_options[]

static

Initial value:

= {
    { "thresh", "set the threshold", OFFSET(thresh), AV_OPT_TYPE_INT, {.i64=10}, 0, 255, FLAGS },
    { "map",    "set the map", OFFSET(map), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS },
    { "order",  "set the order", OFFSET(order), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS },
    { "sharp",  "enable sharpening", OFFSET(sharp), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS },
    { "twoway", "enable twoway", OFFSET(twoway), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS },
    { NULL }
}

Definition at line 49 of file vf_kerndeint.c.

const AVFilterPad kerndeint_inputs[]

static

Initial value:

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

Definition at line 295 of file vf_kerndeint.c.

const AVFilterPad kerndeint_outputs[]

static

Initial value:

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

Definition at line 306 of file vf_kerndeint.c.

AVFilter avfilter_vf_kerndeint

Initial value:

= {
    .name          = "kerndeint",
    .description   = NULL_IF_CONFIG_SMALL("Apply kernel deinterlacing to the input."),
    .priv_size     = sizeof(KerndeintContext),
    .init          = init,
    .uninit        = uninit,
    .query_formats = query_formats,

    .inputs        = kerndeint_inputs,
    .outputs       = kerndeint_outputs,

    .priv_class = &kerndeint_class,
}

Definition at line 314 of file vf_kerndeint.c.