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vf_yadif.c File Reference
#include "libavutil/avassert.h"
#include "libavutil/cpu.h"
#include "libavutil/common.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/imgutils.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
#include "yadif.h"

Go to the source code of this file.

Data Structures

struct  ThreadData
 

Macros

#define CHECK(j)
 
#define FILTER(start, end, is_not_edge)
 
#define MAX_ALIGN   8
 
#define OFFSET(x)   offsetof(YADIFContext, x)
 
#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
 
#define CONST(name, help, val, unit)   { name, help, 0, AV_OPT_TYPE_CONST, {.i64=val}, INT_MIN, INT_MAX, FLAGS, unit }
 

Functions

static void filter_line_c (void *dst1, void *prev1, void *cur1, void *next1, int w, int prefs, int mrefs, int parity, int mode)
 
static void filter_edges (void *dst1, void *prev1, void *cur1, void *next1, int w, int prefs, int mrefs, int parity, int mode)
 
static void filter_line_c_16bit (void *dst1, void *prev1, void *cur1, void *next1, int w, int prefs, int mrefs, int parity, int mode)
 
static void filter_edges_16bit (void *dst1, void *prev1, void *cur1, void *next1, int w, int prefs, int mrefs, int parity, int mode)
 
static int filter_slice (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
 
static void filter (AVFilterContext *ctx, AVFrame *dstpic, int parity, int tff)
 
static int return_frame (AVFilterContext *ctx, int is_second)
 
static int checkstride (YADIFContext *yadif, const AVFrame *a, const AVFrame *b)
 
static void fixstride (AVFilterLink *link, AVFrame *f)
 
static int filter_frame (AVFilterLink *link, AVFrame *frame)
 
static int request_frame (AVFilterLink *link)
 
static av_cold void uninit (AVFilterContext *ctx)
 
static int query_formats (AVFilterContext *ctx)
 
static int config_props (AVFilterLink *link)
 
 AVFILTER_DEFINE_CLASS (yadif)
 

Variables

static const AVOption yadif_options []
 
static const AVFilterPad avfilter_vf_yadif_inputs []
 
static const AVFilterPad avfilter_vf_yadif_outputs []
 
AVFilter ff_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 40 of file vf_yadif.c.

#define FILTER (   start,
  end,
  is_not_edge 
)

Definition at line 51 of file vf_yadif.c.

Referenced by filter_edges(), filter_edges_16bit(), filter_line_c(), and filter_line_c_16bit().

#define MAX_ALIGN   8

Definition at line 112 of file vf_yadif.c.

Referenced by filter_edges(), filter_edges_16bit(), and filter_slice().

#define OFFSET (   x)    offsetof(YADIFContext, x)

Definition at line 503 of file vf_yadif.c.

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 504 of file vf_yadif.c.

#define CONST (   name,
  help,
  val,
  unit 
)    { name, help, 0, AV_OPT_TYPE_CONST, {.i64=val}, INT_MIN, INT_MAX, FLAGS, unit }

Definition at line 506 of file vf_yadif.c.

Function Documentation

static void filter_line_c ( void *  dst1,
void *  prev1,
void *  cur1,
void *  next1,
int  w,
int  prefs,
int  mrefs,
int  parity,
int  mode 
)
static

Definition at line 93 of file vf_yadif.c.

static void filter_edges ( void *  dst1,
void *  prev1,
void *  cur1,
void *  next1,
int  w,
int  prefs,
int  mrefs,
int  parity,
int  mode 
)
static

Definition at line 113 of file vf_yadif.c.

static void filter_line_c_16bit ( void *  dst1,
void *  prev1,
void *  cur1,
void *  next1,
int  w,
int  prefs,
int  mrefs,
int  parity,
int  mode 
)
static

Definition at line 140 of file vf_yadif.c.

static void filter_edges_16bit ( void *  dst1,
void *  prev1,
void *  cur1,
void *  next1,
int  w,
int  prefs,
int  mrefs,
int  parity,
int  mode 
)
static

Definition at line 158 of file vf_yadif.c.

static int filter_slice ( AVFilterContext *  ctx,
void *  arg,
int  jobnr,
int  nb_jobs 
)
static

Definition at line 184 of file vf_yadif.c.

Referenced by filter().

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

Definition at line 222 of file vf_yadif.c.

Referenced by return_frame().

static int return_frame ( AVFilterContext *  ctx,
int  is_second 
)
static

Definition at line 249 of file vf_yadif.c.

Referenced by filter_frame(), and request_frame().

static int checkstride ( YADIFContext *  yadif,
const AVFrame *  a,
const AVFrame *  b 
)
static

Definition at line 289 of file vf_yadif.c.

Referenced by filter_frame().

static void fixstride ( AVFilterLink *  link,
AVFrame *  f 
)
static

Definition at line 298 of file vf_yadif.c.

Referenced by filter_frame().

static int filter_frame ( AVFilterLink *  link,
AVFrame *  frame 
)
static

Definition at line 312 of file vf_yadif.c.

Referenced by request_frame().

static int request_frame ( AVFilterLink *  link)
static

Definition at line 376 of file vf_yadif.c.

static av_cold void uninit ( AVFilterContext *  ctx)
static

Definition at line 412 of file vf_yadif.c.

static int query_formats ( AVFilterContext *  ctx)
static

Definition at line 421 of file vf_yadif.c.

static int config_props ( AVFilterLink *  link)
static

Definition at line 469 of file vf_yadif.c.

AVFILTER_DEFINE_CLASS ( yadif  )

Variable Documentation

const AVOption yadif_options[]
static
Initial value:
= {
{ "mode", "specify the interlacing mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=YADIF_MODE_SEND_FRAME}, 0, 3, FLAGS, "mode"},
CONST("send_frame", "send one frame for each frame", YADIF_MODE_SEND_FRAME, "mode"),
CONST("send_field", "send one frame for each field", YADIF_MODE_SEND_FIELD, "mode"),
CONST("send_frame_nospatial", "send one frame for each frame, but skip spatial interlacing check", YADIF_MODE_SEND_FRAME_NOSPATIAL, "mode"),
CONST("send_field_nospatial", "send one frame for each field, but skip spatial interlacing check", YADIF_MODE_SEND_FIELD_NOSPATIAL, "mode"),
{ "parity", "specify the assumed picture field parity", OFFSET(parity), AV_OPT_TYPE_INT, {.i64=YADIF_PARITY_AUTO}, -1, 1, FLAGS, "parity" },
CONST("tff", "assume top field first", YADIF_PARITY_TFF, "parity"),
CONST("bff", "assume bottom field first", YADIF_PARITY_BFF, "parity"),
CONST("auto", "auto detect parity", YADIF_PARITY_AUTO, "parity"),
{ "deint", "specify which frames to deinterlace", OFFSET(deint), AV_OPT_TYPE_INT, {.i64=YADIF_DEINT_ALL}, 0, 1, FLAGS, "deint" },
CONST("all", "deinterlace all frames", YADIF_DEINT_ALL, "deint"),
CONST("interlaced", "only deinterlace frames marked as interlaced", YADIF_DEINT_INTERLACED, "deint"),
{ NULL }
}

Definition at line 508 of file vf_yadif.c.

const AVFilterPad avfilter_vf_yadif_inputs[]
static
Initial value:
= {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.filter_frame = filter_frame,
},
{ NULL }
}

Definition at line 529 of file vf_yadif.c.

const AVFilterPad avfilter_vf_yadif_outputs[]
static
Initial value:
= {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.request_frame = request_frame,
.config_props = config_props,
},
{ NULL }
}

Definition at line 538 of file vf_yadif.c.

AVFilter ff_vf_yadif
Initial value:
= {
.name = "yadif",
.description = NULL_IF_CONFIG_SMALL("Deinterlace the input image."),
.priv_size = sizeof(YADIFContext),
.priv_class = &yadif_class,
.uninit = uninit,
.query_formats = query_formats,
.inputs = avfilter_vf_yadif_inputs,
.outputs = avfilter_vf_yadif_outputs,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS,
}

Definition at line 548 of file vf_yadif.c.

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