vf_idet.c File Reference

#include <float.h>
#include "libavutil/cpu.h"
#include "libavutil/common.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	IDETContext

Macros
#define	HIST_SIZE   4
#define	OFFSET(x)   offsetof(IDETContext, x)
#define	FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Enumerations
enum	Type { TFF, BFF, PROGRSSIVE, UNDETERMINED }

Functions
	AVFILTER_DEFINE_CLASS (idet)
static const char *	type2str (Type type)
static int	filter_line_c (const uint8_t *a, const uint8_t *b, const uint8_t *c, int w)
static int	filter_line_c_16bit (const uint16_t *a, const uint16_t *b, const uint16_t *c, int w)
static void	filter (AVFilterContext *ctx)
static int	filter_frame (AVFilterLink *link, AVFilterBufferRef *picref)
static int	request_frame (AVFilterLink *link)
static av_cold void	uninit (AVFilterContext *ctx)
static int	query_formats (AVFilterContext *ctx)
static av_cold int	init (AVFilterContext *ctx, const char *args)

Variables
static const AVOption	idet_options []
static const AVFilterPad	idet_inputs []
static const AVFilterPad	idet_outputs []
AVFilter	avfilter_vf_idet

Macro Definition Documentation

#define HIST_SIZE   4

Definition at line 30 of file vf_idet.c.

Referenced by filter(), and init().

#define OFFSET

(

x

)

offsetof(IDETContext, x)

Definition at line 58 of file vf_idet.c.

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 59 of file vf_idet.c.

Enumeration Type Documentation

enum Type

Enumerator:

TFF
BFF
PROGRSSIVE
UNDETERMINED

Definition at line 32 of file vf_idet.c.

Function Documentation

AVFILTER_DEFINE_CLASS

(

idet

)

static const char* type2str ( Type  type )

static

Definition at line 69 of file vf_idet.c.

Referenced by filter().

static int filter_line_c ( const uint8_t *  a, const uint8_t *  b, const uint8_t *  c, int  w  )

static

Definition at line 80 of file vf_idet.c.

Referenced by init().

static int filter_line_c_16bit ( const uint16_t *  a, const uint16_t *  b, const uint16_t *  c, int  w  )

static

Definition at line 92 of file vf_idet.c.

Referenced by filter_frame().

static void filter ( AVFilterContext *  ctx )

static

Definition at line 104 of file vf_idet.c.

Referenced by filter_frame().

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

static

Definition at line 180 of file vf_idet.c.

static int request_frame ( AVFilterLink *  link )

static

Definition at line 207 of file vf_idet.c.

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 222 of file vf_idet.c.

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 244 of file vf_idet.c.

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

static

Definition at line 274 of file vf_idet.c.

Variable Documentation

const AVOption idet_options[]

static

Initial value:

= {
    { "intl_thres", "set interlacing threshold", OFFSET(interlace_threshold),   AV_OPT_TYPE_FLOAT, {.dbl = 1.01}, -1, FLT_MAX, FLAGS },
    { "prog_thres", "set progressive threshold", OFFSET(progressive_threshold), AV_OPT_TYPE_FLOAT, {.dbl = 2.5},  -1, FLT_MAX, FLAGS },
    { NULL }
}

Definition at line 61 of file vf_idet.c.

const AVFilterPad idet_inputs[]

static

Initial value:

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

Definition at line 295 of file vf_idet.c.

const AVFilterPad idet_outputs[]

static

Initial value:

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

Definition at line 305 of file vf_idet.c.

AVFilter avfilter_vf_idet

Initial value:

= {
    .name          = "idet",
    .description   = NULL_IF_CONFIG_SMALL("Interlace detect Filter."),

    .priv_size     = sizeof(IDETContext),
    .init          = init,
    .uninit        = uninit,
    .query_formats = query_formats,
    .inputs        = idet_inputs,
    .outputs       = idet_outputs,
    .priv_class    = &idet_class,
}

Definition at line 315 of file vf_idet.c.