af_ashowinfo.c File Reference

filter for showing textual audio frame information More...

#include <inttypes.h>
#include <stddef.h>
#include "libavutil/adler32.h"
#include "libavutil/channel_layout.h"
#include "libavutil/common.h"
#include "libavutil/mem.h"
#include "libavutil/samplefmt.h"
#include "audio.h"
#include "avfilter.h"
#include "internal.h"

Go to the source code of this file.

Data Structures

struct  AShowInfoContext
 

Typedefs

typedef struct AShowInfoContext AShowInfoContext
 

Functions

static int config_input (AVFilterLink *inlink)
 
static void uninit (AVFilterContext *ctx)
 
static int filter_frame (AVFilterLink *inlink, AVFilterBufferRef *buf)
 

Variables

static const AVFilterPad inputs []
 
static const AVFilterPad outputs []
 
AVFilter avfilter_af_ashowinfo
 

Detailed Description

filter for showing textual audio frame information

Definition in file af_ashowinfo.c.

Typedef Documentation

Function Documentation

static int config_input ( AVFilterLink inlink)
static

Definition at line 51 of file af_ashowinfo.c.

static int filter_frame ( AVFilterLink inlink,
AVFilterBufferRef buf 
)
static

Definition at line 68 of file af_ashowinfo.c.

static void uninit ( AVFilterContext ctx)
static

Definition at line 62 of file af_ashowinfo.c.

Variable Documentation

AVFilter avfilter_af_ashowinfo
Initial value:
= {
.name = "ashowinfo",
.description = NULL_IF_CONFIG_SMALL("Show textual information for each audio frame."),
.priv_size = sizeof(AShowInfoContext),
}

Definition at line 130 of file af_ashowinfo.c.

const AVFilterPad inputs[]
static
Initial value:
= {
{
.name = "default",
.get_audio_buffer = ff_null_get_audio_buffer,
.config_props = config_input,
.filter_frame = filter_frame,
.min_perms = AV_PERM_READ,
},
{ NULL },
}

Definition at line 110 of file af_ashowinfo.c.

Referenced by avfilter_graph_parse(), avfilter_link(), configure_filtergraph(), exit_program(), and join_config_output().

const AVFilterPad outputs[]
static
Initial value:
= {
{
.name = "default",
},
{ NULL },
}

Definition at line 122 of file af_ashowinfo.c.

Referenced by avfilter_graph_parse(), configure_filtergraph(), and exit_program().