af_ashowinfo.c File Reference

#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/defs.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 []
const AVFilter	ff_af_ashowinfo

Detailed Description

filter for showing textual audio frame information

Definition in file af_ashowinfo.c.

Function Documentation

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 53 of file af_ashowinfo.c.

dump_matrixenc()

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

static

Definition at line 59 of file af_ashowinfo.c.

Referenced by filter_frame().

dump_downmix()

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

static

Definition at line 83 of file af_ashowinfo.c.

Referenced by filter_frame().

print_gain()

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().

print_peak()

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().

dump_replaygain()

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

static

Definition at line 130 of file af_ashowinfo.c.

Referenced by filter_frame().

dump_audio_service_type()

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

static

Definition at line 147 of file af_ashowinfo.c.

Referenced by filter_frame().

dump_unknown()

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

static

Definition at line 171 of file af_ashowinfo.c.

Referenced by filter_frame().

filter_frame()

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

static

Definition at line 177 of file af_ashowinfo.c.

Variable Documentation

inputs

const AVFilterPad inputs[]

static

Initial value:

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

Definition at line 240 of file af_ashowinfo.c.

outputs

const AVFilterPad outputs[]

static

Initial value:

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

Definition at line 248 of file af_ashowinfo.c.

ff_af_ashowinfo

const 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,
    .flags       = AVFILTER_FLAG_METADATA_ONLY,
    FILTER_INPUTS(inputs),
    FILTER_OUTPUTS(outputs),
}

Definition at line 255 of file af_ashowinfo.c.