af_aconvert.c File Reference

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

#include "libavutil/avstring.h"
#include "libavutil/channel_layout.h"
#include "libswresample/swresample.h"
#include "avfilter.h"
#include "audio.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	AConvertContext

Functions
static av_cold int	init (AVFilterContext *ctx, const char *args0)
static av_cold void	uninit (AVFilterContext *ctx)
static int	query_formats (AVFilterContext *ctx)
static int	config_output (AVFilterLink *outlink)
static int	filter_frame (AVFilterLink *inlink, AVFilterBufferRef *insamplesref)

Variables
static const AVFilterPad	aconvert_inputs []
static const AVFilterPad	aconvert_outputs []
AVFilter	avfilter_af_aconvert

Detailed Description

sample format and channel layout conversion audio filter

Definition in file af_aconvert.c.

Function Documentation

static av_cold int init ( AVFilterContext *  ctx, const char *  args0  )

static

Definition at line 41 of file af_aconvert.c.

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 65 of file af_aconvert.c.

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 71 of file af_aconvert.c.

static int config_output ( AVFilterLink *  outlink )

static

Definition at line 102 of file af_aconvert.c.

static int filter_frame ( AVFilterLink *  inlink, AVFilterBufferRef *  insamplesref  )

static

Definition at line 138 of file af_aconvert.c.

Referenced by ff_filter_frame(), and ff_filter_frame_framed().

Variable Documentation

const AVFilterPad aconvert_inputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_AUDIO,
        .filter_frame = filter_frame,
        .min_perms    = AV_PERM_READ,
    },
    { NULL }
}

Definition at line 158 of file af_aconvert.c.

const AVFilterPad aconvert_outputs[]

static

Initial value:

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

Definition at line 168 of file af_aconvert.c.

AVFilter avfilter_af_aconvert

Initial value:

= {
    .name          = "aconvert",
    .description   = NULL_IF_CONFIG_SMALL("Convert the input audio to sample_fmt:channel_layout."),
    .priv_size     = sizeof(AConvertContext),
    .init          = init,
    .uninit        = uninit,
    .query_formats = query_formats,
    .inputs        = aconvert_inputs,
    .outputs       = aconvert_outputs,
}

Definition at line 177 of file af_aconvert.c.