Libav
Data Structures | Functions | Variables
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/attributes.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
 

Functions

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

Variables

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

Detailed Description

filter for showing textual audio frame information

Definition in file af_ashowinfo.c.

Function Documentation

static int config_input ( AVFilterLink inlink)
static

Definition at line 52 of file af_ashowinfo.c.

static av_cold void uninit ( AVFilterContext ctx)
static

Definition at line 63 of file af_ashowinfo.c.

static int filter_frame ( AVFilterLink inlink,
AVFrame buf 
)
static

Definition at line 69 of file af_ashowinfo.c.

Variable Documentation

const AVFilterPad inputs[]
static
Initial value:
= {
{
.name = "default",
.get_audio_buffer = ff_null_get_audio_buffer,
.config_props = config_input,
.filter_frame = filter_frame,
},
{ NULL },
}
static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
Definition: af_ashowinfo.c:69
static int config_input(AVFilterLink *inlink)
Definition: af_ashowinfo.c:52
AVFrame * ff_null_get_audio_buffer(AVFilterLink *link, int nb_samples)
get_audio_buffer() handler for filters which simply pass audio along
Definition: audio.c:26
NULL
Definition: eval.c:55

Definition at line 111 of file af_ashowinfo.c.

Referenced by avconv_cleanup(), avfilter_graph_parse(), configure_filtergraph(), and join_config_output().

const AVFilterPad outputs[]
static
Initial value:
= {
{
.name = "default",
},
{ NULL },
}
NULL
Definition: eval.c:55

Definition at line 122 of file af_ashowinfo.c.

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

AVFilter ff_af_ashowinfo
Initial value:
= {
.name = "ashowinfo",
.description = NULL_IF_CONFIG_SMALL("Show textual information for each audio frame."),
.priv_size = sizeof(AShowInfoContext),
}
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:142
static av_cold void uninit(AVFilterContext *ctx)
Definition: af_ashowinfo.c:63
static const AVFilterPad inputs[]
Definition: af_ashowinfo.c:111

Definition at line 130 of file af_ashowinfo.c.