asrc_anullsrc.c File Reference

null audio source More...

#include <inttypes.h>
#include <stdio.h>
#include "libavutil/channel_layout.h"
#include "libavutil/internal.h"
#include "avfilter.h"
#include "internal.h"

Go to the source code of this file.

Data Structures

struct  ANullContext
 

Functions

static int init (AVFilterContext *ctx, const char *args)
 
static int config_props (AVFilterLink *outlink)
 
static int request_frame (AVFilterLink *link)
 

Variables

static const AVFilterPad avfilter_asrc_anullsrc_outputs []
 
AVFilter avfilter_asrc_anullsrc
 

Detailed Description

null audio source

Definition in file asrc_anullsrc.c.

Function Documentation

static int config_props ( AVFilterLink outlink)
static

Definition at line 64 of file asrc_anullsrc.c.

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

Definition at line 37 of file asrc_anullsrc.c.

static int request_frame ( AVFilterLink link)
static

Definition at line 82 of file asrc_anullsrc.c.

Variable Documentation

AVFilter avfilter_asrc_anullsrc
Initial value:
= {
.name = "anullsrc",
.description = NULL_IF_CONFIG_SMALL("Null audio source, never return audio frames."),
.init = init,
.priv_size = sizeof(ANullContext),
}
static const AVFilterPad outputs[]
Definition: af_ashowinfo.c:122
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:88
NULL
Definition: eval.c:52
static const AVFilterPad avfilter_asrc_anullsrc_outputs[]
Definition: asrc_anullsrc.c:87
static int init(AVFilterContext *ctx, const char *args)
Definition: asrc_anullsrc.c:37
static const AVFilterPad inputs[]
Definition: af_ashowinfo.c:110

Definition at line 97 of file asrc_anullsrc.c.

const AVFilterPad avfilter_asrc_anullsrc_outputs[]
static
Initial value:
= {
{
.name = "default",
.config_props = config_props,
.request_frame = request_frame,
},
{ NULL }
}
static int request_frame(AVFilterLink *link)
Definition: asrc_anullsrc.c:82
static int config_props(AVFilterLink *outlink)
Definition: asrc_anullsrc.c:64
NULL
Definition: eval.c:52

Definition at line 87 of file asrc_anullsrc.c.