af_stereotools.c File Reference

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

Go to the source code of this file.

Data Structures
struct	StereoToolsContext

Macros
#define	OFFSET(x)
#define	A   AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Functions
	AVFILTER_DEFINE_CLASS (stereotools)
static int	query_formats (const AVFilterContext *ctx, AVFilterFormatsConfig **cfg_in, AVFilterFormatsConfig **cfg_out)
static int	config_input (AVFilterLink *inlink)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)
static int	process_command (AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
static av_cold void	uninit (AVFilterContext *ctx)

Variables
static const AVOption	stereotools_options []
static const AVFilterPad	inputs []
const FFFilter	ff_af_stereotools

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(StereoToolsContext, x)

Definition at line 61 of file af_stereotools.c.

A

#define A   AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 62 of file af_stereotools.c.

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

stereotools

)

query_formats()

static int query_formats ( const AVFilterContext * ctx, AVFilterFormatsConfig ** cfg_in, AVFilterFormatsConfig ** cfg_out )

static

Definition at line 104 of file af_stereotools.c.

config_input()

static int config_input ( AVFilterLink * inlink )

static

Definition at line 131 of file af_stereotools.c.

Referenced by process_command().

filter_frame()

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

static

Definition at line 149 of file af_stereotools.c.

process_command()

static int process_command ( AVFilterContext * ctx, const char * cmd, const char * args, char * res, int res_len, int flags )

static

Definition at line 354 of file af_stereotools.c.

uninit()

static av_cold void uninit ( AVFilterContext * ctx )

static

Definition at line 366 of file af_stereotools.c.

Variable Documentation

stereotools_options

const AVOption stereotools_options[]

static

Definition at line 64 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,
    },
}

Definition at line 373 of file af_stereotools.c.

ff_af_stereotools

const FFFilter ff_af_stereotools

Initial value:

= {
    .p.name         = "stereotools",
    .p.description  = NULL_IF_CONFIG_SMALL("Apply various stereo tools."),
    .p.priv_class   = &stereotools_class,
    .p.flags        = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
    .priv_size      = sizeof(StereoToolsContext),
    .uninit         = uninit,
    FILTER_INPUTS(inputs),
    FILTER_OUTPUTS(ff_audio_default_filterpad),
    FILTER_QUERY_FUNC2(query_formats),
    .process_command = process_command,
}

Definition at line 382 of file af_stereotools.c.