vf_setfield.c File Reference

set field order More...

#include "libavutil/opt.h"
#include "avfilter.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	SetFieldContext

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

Enumerations
enum	SetFieldMode { MODE_AUTO = -1, MODE_BFF, MODE_TFF, MODE_PROG }

Functions
	AVFILTER_DEFINE_CLASS (setfield)
static av_cold int	init (AVFilterContext *ctx, const char *args)
static av_cold void	uninit (AVFilterContext *ctx)
static int	filter_frame (AVFilterLink *inlink, AVFilterBufferRef *picref)

Variables
static const AVOption	setfield_options []
static const AVFilterPad	setfield_inputs []
static const AVFilterPad	setfield_outputs []
AVFilter	avfilter_vf_setfield

Detailed Description

set field order

Definition in file vf_setfield.c.

Macro Definition Documentation

#define OFFSET

(

x

)

offsetof(SetFieldContext, x)

Definition at line 43 of file vf_setfield.c.

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Definition at line 44 of file vf_setfield.c.

Enumeration Type Documentation

enum SetFieldMode

Enumerator:

MODE_AUTO
MODE_BFF
MODE_TFF
MODE_PROG

Definition at line 31 of file vf_setfield.c.

Function Documentation

AVFILTER_DEFINE_CLASS

(

setfield

)

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

static

Definition at line 57 of file vf_setfield.c.

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 68 of file vf_setfield.c.

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

static

Definition at line 74 of file vf_setfield.c.

Variable Documentation

const AVOption setfield_options[]

static

Initial value:

= {
    {"mode", "select interlace mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=MODE_AUTO}, -1, MODE_PROG, FLAGS, "mode"},
    {"auto", "keep the same input field",  0, AV_OPT_TYPE_CONST, {.i64=MODE_AUTO}, INT_MIN, INT_MAX, FLAGS, "mode"},
    {"bff",  "mark as bottom-field-first", 0, AV_OPT_TYPE_CONST, {.i64=MODE_BFF},  INT_MIN, INT_MAX, FLAGS, "mode"},
    {"tff",  "mark as top-field-first",    0, AV_OPT_TYPE_CONST, {.i64=MODE_TFF},  INT_MIN, INT_MAX, FLAGS, "mode"},
    {"prog", "mark as progressive",        0, AV_OPT_TYPE_CONST, {.i64=MODE_PROG}, INT_MIN, INT_MAX, FLAGS, "mode"},
    {NULL}
}

Definition at line 46 of file vf_setfield.c.

const AVFilterPad setfield_inputs[]

static

Initial value:

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

Definition at line 87 of file vf_setfield.c.

const AVFilterPad setfield_outputs[]

static

Initial value:

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

Definition at line 97 of file vf_setfield.c.

AVFilter avfilter_vf_setfield

Initial value:

= {
    .name      = "setfield",
    .description = NULL_IF_CONFIG_SMALL("Force field for the output video frame."),
    .init      = init,
    .uninit    = uninit,

    .priv_size = sizeof(SetFieldContext),
    .inputs    = setfield_inputs,
    .outputs   = setfield_outputs,
    .priv_class = &setfield_class,
}

Definition at line 105 of file vf_setfield.c.