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/downmix_info.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem.h"
#include "libavutil/replaygain.h"
#include "libavutil/timestamp.h"
#include "libavutil/samplefmt.h"
#include "libavcodec/avcodec.h"
#include "audio.h"
#include "avfilter.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	AShowInfoContext

Functions
static av_cold void	uninit (AVFilterContext *ctx)
static void	dump_matrixenc (AVFilterContext *ctx, AVFrameSideData *sd)
static void	dump_downmix (AVFilterContext *ctx, AVFrameSideData *sd)
static void	print_gain (AVFilterContext *ctx, const char *str, int32_t gain)
static void	print_peak (AVFilterContext *ctx, const char *str, uint32_t peak)
static void	dump_replaygain (AVFilterContext *ctx, AVFrameSideData *sd)
static void	dump_audio_service_type (AVFilterContext *ctx, AVFrameSideData *sd)
static void	dump_unknown (AVFilterContext *ctx, AVFrameSideData *sd)
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 av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 53 of file af_ashowinfo.c.

static void dump_matrixenc ( AVFilterContext *  ctx, AVFrameSideData *  sd  )

static

Definition at line 59 of file af_ashowinfo.c.

Referenced by filter_frame().

static void dump_downmix ( AVFilterContext *  ctx, AVFrameSideData *  sd  )

static

Definition at line 83 of file af_ashowinfo.c.

Referenced by filter_frame().

static void print_gain ( AVFilterContext *  ctx, const char *  str, int32_t  gain  )

static

Definition at line 110 of file af_ashowinfo.c.

Referenced by dump_replaygain().

static void print_peak ( AVFilterContext *  ctx, const char *  str, uint32_t  peak  )

static

Definition at line 120 of file af_ashowinfo.c.

Referenced by dump_replaygain().

static void dump_replaygain ( AVFilterContext *  ctx, AVFrameSideData *  sd  )

static

Definition at line 130 of file af_ashowinfo.c.

Referenced by filter_frame().

static void dump_audio_service_type ( AVFilterContext *  ctx, AVFrameSideData *  sd  )

static

Definition at line 147 of file af_ashowinfo.c.

Referenced by filter_frame().

static void dump_unknown ( AVFilterContext *  ctx, AVFrameSideData *  sd  )

static

Definition at line 171 of file af_ashowinfo.c.

Referenced by filter_frame().

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

static

Definition at line 176 of file af_ashowinfo.c.

Variable Documentation

const AVFilterPad inputs[]

static

Initial value:

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

Examples:

filtering_audio.c, filtering_video.c, and transcoding.c.

Definition at line 239 of file af_ashowinfo.c.

Referenced by avfilter_graph_parse(), configure_filtergraph(), init(), init_filter(), init_filters(), join_config_output(), and push_frame().

const AVFilterPad outputs[]

static

Initial value:

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

Examples:

filtering_audio.c, filtering_video.c, and transcoding.c.

Definition at line 248 of file af_ashowinfo.c.

Referenced by avfilter_graph_parse(), configure_filtergraph(), init(), init_filter(), and init_filters().

AVFilter ff_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 256 of file af_ashowinfo.c.