libavfilter/vf_idet.c File Reference

#include "libavutil/cpu.h"
#include "libavutil/common.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "internal.h"
#include <assert.h>

Go to the source code of this file.

Data Structures
struct	IDETContext
Defines
#define	HIST_SIZE   4
Enumerations
enum	Type { TFF, BFF, PROGRSSIVE, UNDETERMINED }
Functions
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	start_frame (AVFilterLink *link, AVFilterBufferRef *picref)
static int	end_frame (AVFilterLink *link)
static int	request_frame (AVFilterLink *link)
static int	poll_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)
static int	null_draw_slice (AVFilterLink *link, int y, int h, int slice_dir)
Variables
AVFilter	avfilter_vf_idet

---

Define Documentation

#define HIST_SIZE   4

Definition at line 30 of file vf_idet.c.

Referenced by end_frame(), filter(), frame_sum_square_err(), and init().

---

Enumeration Type Documentation

enum Type

Enumerator:

TFF
BFF
PROGRSSIVE
UNDETERMINED

Definition at line 32 of file vf_idet.c.

---

Function Documentation

static int end_frame

(

AVFilterLink *

link

)

[static]

Definition at line 189 of file vf_idet.c.

static void filter

(

AVFilterContext *

ctx

)

[static]

Definition at line 93 of file vf_idet.c.

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

Definition at line 69 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 81 of file vf_idet.c.

Referenced by end_frame(), and return_frame().

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

Definition at line 292 of file vf_idet.c.

static int null_draw_slice	(	AVFilterLink *	link,
		int	y,
		int	h,
		int	slice_dir
	)			[static]

Definition at line 311 of file vf_idet.c.

static int poll_frame

(

AVFilterLink *

link

)

[static]

Definition at line 223 of file vf_idet.c.

static int query_formats

(

AVFilterContext *

ctx

)

[static]

Definition at line 262 of file vf_idet.c.

static int request_frame

(

AVFilterLink *

link

)

[static]

Definition at line 208 of file vf_idet.c.

static int start_frame	(	AVFilterLink *	link,
		AVFilterBufferRef *	picref
	)			[static]

Definition at line 169 of file vf_idet.c.

static const char* type2str

(

Type

type

)

[static]

Definition at line 58 of file vf_idet.c.

Referenced by filter().

static av_cold void uninit

(

AVFilterContext *

ctx

)

[static]

Definition at line 240 of file vf_idet.c.

---

Variable Documentation

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    = (const AVFilterPad[]) {{ .name       = "default",
                                          .type             = AVMEDIA_TYPE_VIDEO,
                                          .start_frame      = start_frame,
                                          .draw_slice       = null_draw_slice,
                                          .end_frame        = end_frame,
                                          .min_perms        = AV_PERM_PRESERVE },
                                        { .name = NULL}},

    .outputs   = (const AVFilterPad[]) {{ .name       = "default",
                                          .type             = AVMEDIA_TYPE_VIDEO,
                                          .rej_perms        = AV_PERM_WRITE,
                                          .poll_frame       = poll_frame,
                                          .request_frame    = request_frame, },
                                        { .name = NULL}},
}

Definition at line 313 of file vf_idet.c.