af_stereotools.c File Reference

#include "libavutil/channel_layout.h"
#include "libavutil/opt.h"
#include "avfilter.h"
#include "audio.h"
#include "formats.h"

Go to the source code of this file.

Data Structures
struct	StereoToolsContext

Macros
#define	OFFSET(x)   offsetof(StereoToolsContext, x)
#define	A   AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Functions
	AVFILTER_DEFINE_CLASS (stereotools)
static int	query_formats (AVFilterContext *ctx)
static int	config_input (AVFilterLink *inlink)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)
static av_cold void	uninit (AVFilterContext *ctx)

Variables
static const AVOption	stereotools_options []
static const AVFilterPad	inputs []
static const AVFilterPad	outputs []
AVFilter	ff_af_stereotools

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(StereoToolsContext, x)

Definition at line 59 of file af_stereotools.c.

A

#define A   AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 60 of file af_stereotools.c.

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

stereotools

)

query_formats()

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 100 of file af_stereotools.c.

config_input()

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 116 of file af_stereotools.c.

filter_frame()

static int filter_frame ( AVFilterLink *  inlink, AVFrame *  in  )

static

Definition at line 137 of file af_stereotools.c.

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 327 of file af_stereotools.c.

Variable Documentation

stereotools_options

const AVOption stereotools_options[]

static

Definition at line 62 of file af_stereotools.c.

inputs

const AVFilterPad inputs[]

static

Initial value:

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

Definition at line 334 of file af_stereotools.c.

outputs

const AVFilterPad outputs[]

static

Initial value:

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

Definition at line 344 of file af_stereotools.c.

ff_af_stereotools

AVFilter ff_af_stereotools

Initial value:

= {
    .name           = "stereotools",
    .description    = NULL_IF_CONFIG_SMALL("Apply various stereo tools."),
    .query_formats  = query_formats,
    .priv_size      = sizeof(StereoToolsContext),
    .priv_class     = &stereotools_class,
    .uninit         = uninit,
    .inputs         = inputs,
    .outputs        = outputs,
}

Definition at line 352 of file af_stereotools.c.