libavfilter/af_resample.c File Reference

sample format and channel layout conversion audio filter More...

#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/common.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavresample/avresample.h"
#include "audio.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	ResampleContext
Functions
static av_cold void	uninit (AVFilterContext *ctx)
static int	query_formats (AVFilterContext *ctx)
static int	config_output (AVFilterLink *outlink)
static int	request_frame (AVFilterLink *outlink)
static int	filter_samples (AVFilterLink *inlink, AVFilterBufferRef *buf)
Variables
AVFilter	avfilter_af_resample

---

Detailed Description

sample format and channel layout conversion audio filter

Definition in file af_resample.c.

---

Function Documentation

static int config_output

(

AVFilterLink *

outlink

)

[static]

Definition at line 81 of file af_resample.c.

static int filter_samples	(	AVFilterLink *	inlink,
		AVFilterBufferRef *	buf
	)			[static]

Definition at line 166 of file af_resample.c.

static int query_formats

(

AVFilterContext *

ctx

)

[static]

Definition at line 57 of file af_resample.c.

static int request_frame

(

AVFilterLink *

outlink

)

[static]

Definition at line 127 of file af_resample.c.

static av_cold void uninit

(

AVFilterContext *

ctx

)

[static]

Definition at line 47 of file af_resample.c.

---

Variable Documentation

AVFilter avfilter_af_resample

Initial value:

 {
    .name          = "resample",
    .description   = NULL_IF_CONFIG_SMALL("Audio resampling and conversion."),
    .priv_size     = sizeof(ResampleContext),

    .uninit         = uninit,
    .query_formats  = query_formats,

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

Definition at line 236 of file af_resample.c.