vf_weave.c File Reference

#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	WeaveContext

Macros
#define	OFFSET(x)   offsetof(WeaveContext, x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
#define	doubleweave_options   weave_options

Functions
	AVFILTER_DEFINE_CLASS (weave)
static int	query_formats (AVFilterContext *ctx)
static int	config_props_output (AVFilterLink *outlink)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)
static av_cold void	uninit (AVFilterContext *ctx)
static av_cold int	init (AVFilterContext *ctx)
	AVFILTER_DEFINE_CLASS (doubleweave)

Variables
static const AVOption	weave_options []
static const AVFilterPad	weave_inputs []
static const AVFilterPad	weave_outputs []
AVFilter	ff_vf_weave
AVFilter	ff_vf_doubleweave

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(WeaveContext, x)

Definition at line 38 of file vf_weave.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Definition at line 39 of file vf_weave.c.

doubleweave_options

#define doubleweave_options   weave_options

Definition at line 195 of file vf_weave.c.

Function Documentation

AVFILTER_DEFINE_CLASS() [1/2]

AVFILTER_DEFINE_CLASS

(

weave

)

query_formats()

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 52 of file vf_weave.c.

config_props_output()

static int config_props_output ( AVFilterLink *  outlink )

static

Definition at line 72 of file vf_weave.c.

filter_frame()

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

static

Definition at line 100 of file vf_weave.c.

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 149 of file vf_weave.c.

init()

static av_cold int init ( AVFilterContext *  ctx )

static

Definition at line 185 of file vf_weave.c.

AVFILTER_DEFINE_CLASS() [2/2]

AVFILTER_DEFINE_CLASS

(

doubleweave

)

Variable Documentation

weave_options

const AVOption weave_options[]

static

Initial value:

= {
    { "first_field", "set first field", OFFSET(first_field), AV_OPT_TYPE_INT,   {.i64=0}, 0, 1, FLAGS, "field"},
        { "top",     "set top field first",               0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "field"},
        { "t",       "set top field first",               0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "field"},
        { "bottom",  "set bottom field first",            0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "field"},
        { "b",       "set bottom field first",            0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "field"},
    { NULL }
}

Definition at line 41 of file vf_weave.c.

weave_inputs

const AVFilterPad weave_inputs[]

static

Initial value:

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

Definition at line 156 of file vf_weave.c.

weave_outputs

const AVFilterPad weave_outputs[]

static

Initial value:

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

Definition at line 165 of file vf_weave.c.

ff_vf_weave

AVFilter ff_vf_weave

Initial value:

= {
    .name          = "weave",
    .description   = NULL_IF_CONFIG_SMALL("Weave input video fields into frames."),
    .priv_size     = sizeof(WeaveContext),
    .priv_class    = &weave_class,
    .query_formats = query_formats,
    .uninit        = uninit,
    .inputs        = weave_inputs,
    .outputs       = weave_outputs,
}

Definition at line 174 of file vf_weave.c.

ff_vf_doubleweave

AVFilter ff_vf_doubleweave

Initial value:

= {
    .name          = "doubleweave",
    .description   = NULL_IF_CONFIG_SMALL("Weave input video fields into double number of frames."),
    .priv_size     = sizeof(WeaveContext),
    .priv_class    = &doubleweave_class,
    .query_formats = query_formats,
    .init          = init,
    .uninit        = uninit,
    .inputs        = weave_inputs,
    .outputs       = weave_outputs,
}

Definition at line 198 of file vf_weave.c.