af_aresample.c File Reference

resampling audio filter More...

#include "libavutil/avstring.h"
#include "libavutil/channel_layout.h"
#include "libavutil/opt.h"
#include "libavutil/samplefmt.h"
#include "libavutil/avassert.h"
#include "libswresample/swresample.h"
#include "avfilter.h"
#include "audio.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	AResampleContext

Functions
static av_cold int	init (AVFilterContext *ctx, const char *args)
static av_cold void	uninit (AVFilterContext *ctx)
static int	query_formats (AVFilterContext *ctx)
static int	config_output (AVFilterLink *outlink)
static int	filter_frame (AVFilterLink *inlink, AVFilterBufferRef *insamplesref)
static int	request_frame (AVFilterLink *outlink)

Variables
static const AVFilterPad	aresample_inputs []
static const AVFilterPad	aresample_outputs []
AVFilter	avfilter_af_aresample

Detailed Description

resampling audio filter

Definition in file af_aresample.c.

Function Documentation

static av_cold int init ( AVFilterContext *  ctx, const char *  args  )

static

Definition at line 44 of file af_aresample.c.

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 81 of file af_aresample.c.

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 87 of file af_aresample.c.

static int config_output ( AVFilterLink *  outlink )

static

Definition at line 131 of file af_aresample.c.

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

static

Definition at line 177 of file af_aresample.c.

static int request_frame ( AVFilterLink *  outlink )

static

Definition at line 219 of file af_aresample.c.

Variable Documentation

const AVFilterPad aresample_inputs[]

static

Initial value:

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

Definition at line 261 of file af_aresample.c.

const AVFilterPad aresample_outputs[]

static

Initial value:

= {
    {
        .name          = "default",
        .config_props  = config_output,
        .request_frame = request_frame,
        .type          = AVMEDIA_TYPE_AUDIO,
    },
    { NULL },
}

Definition at line 271 of file af_aresample.c.

AVFilter avfilter_af_aresample

Initial value:

= {
    .name          = "aresample",
    .description   = NULL_IF_CONFIG_SMALL("Resample audio data."),
    .init          = init,
    .uninit        = uninit,
    .query_formats = query_formats,
    .priv_size     = sizeof(AResampleContext),
    .inputs        = aresample_inputs,
    .outputs       = aresample_outputs,
}

Definition at line 281 of file af_aresample.c.