vf_fieldhint.c File Reference

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

Go to the source code of this file.

Data Structures
struct	FieldHintContext

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

Functions
	AVFILTER_DEFINE_CLASS (fieldhint)
static av_cold int	init (AVFilterContext *ctx)
static int	query_formats (AVFilterContext *ctx)
static int	config_input (AVFilterLink *inlink)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)
static int	request_frame (AVFilterLink *outlink)
static av_cold void	uninit (AVFilterContext *ctx)

Variables
static const AVOption	fieldhint_options []
static const AVFilterPad	inputs []
static const AVFilterPad	outputs []
AVFilter	ff_vf_fieldhint

Macro Definition Documentation

#define OFFSET

(

x

)

offsetof(FieldHintContext, x)

Definition at line 46 of file vf_fieldhint.c.

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 47 of file vf_fieldhint.c.

Function Documentation

AVFILTER_DEFINE_CLASS

(

fieldhint

)

static av_cold int init ( AVFilterContext *  ctx )

static

Definition at line 59 of file vf_fieldhint.c.

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 78 of file vf_fieldhint.c.

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 95 of file vf_fieldhint.c.

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

static

Definition at line 112 of file vf_fieldhint.c.

Referenced by request_frame().

static int request_frame ( AVFilterLink *  outlink )

static

Definition at line 221 of file vf_fieldhint.c.

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 242 of file vf_fieldhint.c.

Variable Documentation

const AVOption fieldhint_options[]

static

Initial value:

= {
    { "hint", "set hint file", OFFSET(hint_file_str), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, FLAGS },
    { "mode", "set hint mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS, "mode" },
    {   "absolute", 0, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "mode" },
    {   "relative", 0, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "mode" },
    { NULL }
}

Definition at line 49 of file vf_fieldhint.c.

const AVFilterPad inputs[]

static

Initial value:

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

Definition at line 255 of file vf_fieldhint.c.

const AVFilterPad outputs[]

static

Initial value:

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

Definition at line 265 of file vf_fieldhint.c.

AVFilter ff_vf_fieldhint

Initial value:

= {
    .name          = "fieldhint",
    .description   = NULL_IF_CONFIG_SMALL("Field matching using hints."),
    .priv_size     = sizeof(FieldHintContext),
    .priv_class    = &fieldhint_class,
    .init          = init,
    .uninit        = uninit,
    .query_formats = query_formats,
    .inputs        = inputs,
    .outputs       = outputs,
}

Definition at line 274 of file vf_fieldhint.c.