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/timestamp.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 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.

Function Documentation

static void uninit ( AVFilterContext *  ctx )

static

Definition at line 52 of file af_ashowinfo.c.

static int filter_frame ( AVFilterLink *  inlink, AVFilterBufferRef *  buf  )

static

Definition at line 58 of file af_ashowinfo.c.

Variable Documentation

const AVFilterPad inputs[]

static

Initial value:

= {
    {
        .name       = "default",
        .type             = AVMEDIA_TYPE_AUDIO,
        .get_audio_buffer = ff_null_get_audio_buffer,
        .filter_frame     = filter_frame,
        .min_perms        = AV_PERM_READ,
    },
    { NULL },
}

Examples:

doc/examples/filtering_audio.c, and doc/examples/filtering_video.c.

Definition at line 107 of file af_ashowinfo.c.

Referenced by av_buffersink_read(), av_buffersink_read_samples(), avfilter_graph_parse(), avfilter_link(), configure_filtergraph(), exit_program(), init_filters(), join_config_output(), and push_frame().

const AVFilterPad outputs[]

static

Initial value:

= {
    {
        .name = "default",
        .type = AVMEDIA_TYPE_AUDIO,
    },
    { NULL },
}

Examples:

doc/examples/filtering_audio.c, and doc/examples/filtering_video.c.

Definition at line 118 of file af_ashowinfo.c.

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

AVFilter avfilter_af_ashowinfo

Initial value:

= {
    .name        = "ashowinfo",
    .description = NULL_IF_CONFIG_SMALL("Show textual information for each audio frame."),
    .priv_size   = sizeof(AShowInfoContext),
    .uninit      = uninit,
    .inputs      = inputs,
    .outputs     = outputs,
}

Definition at line 126 of file af_ashowinfo.c.