FFmpeg
Classes | Macros | Typedefs | Functions | Variables
vf_readeia608.c File Reference

Filter for reading closed captioning data (EIA-608). More...

#include <string.h>
#include "libavutil/internal.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/timestamp.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Classes

struct  ReadEIA608Context
 

Macros

#define FALL   0
 
#define RISE   1
 
#define OFFSET(x)   offsetof(ReadEIA608Context, x)
 
#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
 

Typedefs

typedef struct ReadEIA608Context ReadEIA608Context
 

Functions

 AVFILTER_DEFINE_CLASS (readeia608)
 

Variables

AVFilter ff_vf_readeia608
 

Detailed Description

Filter for reading closed captioning data (EIA-608).

See also https://en.wikipedia.org/wiki/EIA-608

Variable Documentation

§ ff_vf_readeia608

AVFilter ff_vf_readeia608
Initial value:
= {
.name = "readeia608",
.description = NULL_IF_CONFIG_SMALL("Read EIA-608 Closed Caption codes from input video and write them to frame metadata."),
.priv_size = sizeof(ReadEIA608Context),
.priv_class = &readeia608_class,
.query_formats = query_formats,
.inputs = readeia608_inputs,
.outputs = readeia608_outputs,
}
#define AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
Some filters support a generic "enable" expression option that can be used to enable or disable a fil...
Definition: avfilter.h:125
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
Definition: vf_readeia608.c:42