libavfilter/af_aresample.c File Reference

resampling audio filter More...

#include "libavutil/eval.h"
#include "libavcodec/avcodec.h"
#include "avfilter.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, void *opaque)
static av_cold void uninit (AVFilterContext *ctx)
static int config_output (AVFilterLink *outlink)
static int query_formats (AVFilterContext *ctx)
static void deinterleave (int16_t **outp, int16_t *in, int nb_channels, int nb_samples)
static void interleave (int16_t *out, int16_t **inp, int nb_channels, int nb_samples)
static void filter_samples (AVFilterLink *inlink, AVFilterBufferRef *insamplesref)

Variables

AVFilter avfilter_af_aresample


Detailed Description

resampling audio filter

Definition in file af_aresample.c.


Function Documentation

static int config_output ( AVFilterLink outlink  )  [static]

Definition at line 76 of file af_aresample.c.

static void deinterleave ( int16_t **  outp,
int16_t in,
int  nb_channels,
int  nb_samples 
) [static]

Definition at line 121 of file af_aresample.c.

static void filter_samples ( AVFilterLink inlink,
AVFilterBufferRef insamplesref 
) [static]

Definition at line 245 of file af_aresample.c.

static av_cold int init ( AVFilterContext ctx,
const char *  args,
void *  opaque 
) [static]

Definition at line 43 of file af_aresample.c.

static void interleave ( int16_t out,
int16_t **  inp,
int  nb_channels,
int  nb_samples 
) [static]

Definition at line 183 of file af_aresample.c.

static int query_formats ( AVFilterContext ctx  )  [static]

Definition at line 99 of file af_aresample.c.

static av_cold void uninit ( AVFilterContext ctx  )  [static]

Definition at line 58 of file af_aresample.c.


Variable Documentation

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    = (const AVFilterPad[]) {{ .name      = "default",
                                    .type            = AVMEDIA_TYPE_AUDIO,
                                    .filter_samples  = filter_samples,
                                    .min_perms       = AV_PERM_READ, },
                                  { .name = NULL}},
    .outputs   = (const AVFilterPad[]) {{ .name      = "default",
                                    .config_props    = config_output,
                                    .type            = AVMEDIA_TYPE_AUDIO, },
                                  { .name = NULL}},
}

Definition at line 331 of file af_aresample.c.


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