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

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    = (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.