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

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.


Generated on Fri Oct 26 02:50:09 2012 for FFmpeg by  doxygen 1.5.8