libavfilter/vf_yadif.c File Reference

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

Go to the source code of this file.

Data Structures
struct	YADIFContext
Defines
#define	CHECK(j)
#define	FILTER
Functions
static void	filter_line_c (uint8_t *dst, uint8_t *prev, uint8_t *cur, uint8_t *next, int w, int prefs, int mrefs, int parity, int mode)
static void	filter_line_c_16bit (uint16_t *dst, uint16_t *prev, uint16_t *cur, uint16_t *next, int w, int prefs, int mrefs, int parity, int mode)
static void	filter (AVFilterContext *ctx, AVFilterBufferRef *dstpic, int parity, int tff)
static AVFilterBufferRef *	get_video_buffer (AVFilterLink *link, int perms, int w, int h)
static void	return_frame (AVFilterContext *ctx, int is_second)
static void	start_frame (AVFilterLink *link, AVFilterBufferRef *picref)
static void	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, void *opaque)
static void	null_draw_slice (AVFilterLink *link, int y, int h, int slice_dir)
Variables
AVFilter	avfilter_vf_yadif

---

Define Documentation

#define CHECK

(

j

)

Value:

{   int score = FFABS(cur[mrefs-1+(j)] - cur[prefs-1-(j)])\
                  + FFABS(cur[mrefs  +(j)] - cur[prefs  -(j)])\
                  + FFABS(cur[mrefs+1+(j)] - cur[prefs+1-(j)]);\
        if (score < spatial_score) {\
            spatial_score= score;\
            spatial_pred= (cur[mrefs  +(j)] + cur[prefs  -(j)])>>1;\

Definition at line 64 of file vf_yadif.c.

#define FILTER

Definition at line 72 of file vf_yadif.c.

---

Function Documentation

static void end_frame

(

AVFilterLink *

link

)

[static]

Definition at line 271 of file vf_yadif.c.

static void filter	(	AVFilterContext *	ctx,
		AVFilterBufferRef *	dstpic,
		int	parity,
		int	tff
	)			[static]

Definition at line 136 of file vf_yadif.c.

static void filter_line_c	(	uint8_t *	dst,
		uint8_t *	prev,
		uint8_t *	cur,
		uint8_t *	next,
		int	w,
		int	prefs,
		int	mrefs,
		int	parity,
		int	mode
	)			[static]

Definition at line 112 of file vf_yadif.c.

Referenced by init().

static void filter_line_c_16bit	(	uint16_t *	dst,
		uint16_t *	prev,
		uint16_t *	cur,
		uint16_t *	next,
		int	w,
		int	prefs,
		int	mrefs,
		int	parity,
		int	mode
	)			[static]

Definition at line 123 of file vf_yadif.c.

Referenced by return_frame().

static AVFilterBufferRef* get_video_buffer	(	AVFilterLink *	link,
		int	perms,
		int	w,
		int	h
	)			[static]

Definition at line 173 of file vf_yadif.c.

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

Definition at line 370 of file vf_yadif.c.

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

Definition at line 395 of file vf_yadif.c.

static int poll_frame

(

AVFilterLink *

link

)

[static]

Definition at line 308 of file vf_yadif.c.

static int query_formats

(

AVFilterContext *

ctx

)

[static]

Definition at line 340 of file vf_yadif.c.

static int request_frame

(

AVFilterLink *

link

)

[static]

Definition at line 288 of file vf_yadif.c.

static void return_frame	(	AVFilterContext *	ctx,
		int	is_second
	)			[static]

Definition at line 191 of file vf_yadif.c.

Referenced by end_frame(), request_frame(), and start_frame().

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

Definition at line 235 of file vf_yadif.c.

static av_cold void uninit

(

AVFilterContext *

ctx

)

[static]

Definition at line 331 of file vf_yadif.c.

---

Variable Documentation

AVFilter avfilter_vf_yadif

Initial value:

 {
    .name          = "yadif",
    .description   = NULL_IF_CONFIG_SMALL("Deinterlace the input image."),

    .priv_size     = sizeof(YADIFContext),
    .init          = init,
    .uninit        = uninit,
    .query_formats = query_formats,

    .inputs    = (const AVFilterPad[]) {{ .name       = "default",
                                    .type             = AVMEDIA_TYPE_VIDEO,
                                    .start_frame      = start_frame,
                                    .get_video_buffer = get_video_buffer,
                                    .draw_slice       = null_draw_slice,
                                    .end_frame        = end_frame,
                                    .rej_perms        = AV_PERM_REUSE2, },
                                  { .name = NULL}},

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

Definition at line 397 of file vf_yadif.c.