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

Macros

#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 AVFilterBufferRefget_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

Macro Definition 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 66 of file vf_yadif.c.

#define FILTER

Definition at line 74 of file vf_yadif.c.

Referenced by filter_line_c(), and filter_line_c_16bit().

Function Documentation

static void end_frame ( AVFilterLink link)
static

Definition at line 273 of file vf_yadif.c.

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

Definition at line 138 of file vf_yadif.c.

Referenced by return_frame().

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 114 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 125 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 175 of file vf_yadif.c.

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

Definition at line 372 of file vf_yadif.c.

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

Definition at line 397 of file vf_yadif.c.

static int poll_frame ( AVFilterLink link)
static

Definition at line 310 of file vf_yadif.c.

static int query_formats ( AVFilterContext ctx)
static

Definition at line 342 of file vf_yadif.c.

static int request_frame ( AVFilterLink link)
static

Definition at line 290 of file vf_yadif.c.

static void return_frame ( AVFilterContext ctx,
int  is_second 
)
static

Definition at line 193 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 237 of file vf_yadif.c.

static av_cold void uninit ( AVFilterContext ctx)
static

Definition at line 333 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,
.inputs = (AVFilterPad[]) {{ .name = "default",
.start_frame = start_frame,
.get_video_buffer = get_video_buffer,
.draw_slice = null_draw_slice,
.end_frame = end_frame, },
{ .name = NULL}},
.outputs = (AVFilterPad[]) {{ .name = "default",
.poll_frame = poll_frame,
.request_frame = request_frame, },
{ .name = NULL}},
}

Definition at line 399 of file vf_yadif.c.