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
 

Typedefs

typedef struct ResampleContext 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_frame (AVFilterLink *inlink, AVFilterBufferRef *buf)
 

Variables

static const AVFilterPad avfilter_af_resample_inputs []
 
static const AVFilterPad avfilter_af_resample_outputs []
 
AVFilter avfilter_af_resample
 

Detailed Description

sample format and channel layout conversion audio filter

Definition in file af_resample.c.

Typedef Documentation

Function Documentation

static int config_output ( AVFilterLink outlink)
static

Definition at line 81 of file af_resample.c.

static int filter_frame ( AVFilterLink inlink,
AVFilterBufferRef buf 
)
static

Definition at line 170 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 131 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),
}
static const AVFilterPad avfilter_af_resample_outputs[]
Definition: af_resample.c:252
struct ResampleContext ResampleContext
static const AVFilterPad outputs[]
Definition: af_ashowinfo.c:122
static av_cold void uninit(AVFilterContext *ctx)
Definition: af_resample.c:47
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:88
static const AVFilterPad inputs[]
Definition: af_ashowinfo.c:110
static int query_formats(AVFilterContext *ctx)
Definition: af_resample.c:57
static const AVFilterPad avfilter_af_resample_inputs[]
Definition: af_resample.c:242

Definition at line 262 of file af_resample.c.

const AVFilterPad avfilter_af_resample_inputs[]
static
Initial value:
= {
{
.name = "default",
.filter_frame = filter_frame,
.min_perms = AV_PERM_READ
},
{ NULL }
}
#define AV_PERM_READ
can read from the buffer
Definition: avfilter.h:97
static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *buf)
Definition: af_resample.c:170
NULL
Definition: eval.c:52

Definition at line 242 of file af_resample.c.

const AVFilterPad avfilter_af_resample_outputs[]
static
Initial value:
= {
{
.name = "default",
.config_props = config_output,
.request_frame = request_frame
},
{ NULL }
}
static int config_output(AVFilterLink *outlink)
Definition: af_resample.c:81
NULL
Definition: eval.c:52
static int request_frame(AVFilterLink *outlink)
Definition: af_resample.c:131

Definition at line 252 of file af_resample.c.