af_adynamicequalizer.c File Reference

#include <float.h>
#include "libavutil/ffmath.h"
#include "libavutil/opt.h"
#include "avfilter.h"
#include "audio.h"
#include "formats.h"
#include "adynamicequalizer_template.c"

Go to the source code of this file.

Data Structures
struct	ChannelContext
struct	AudioDynamicEqualizerContext
struct	ThreadData
	Used for passing data between threads. More...

Macros
#define	DEPTH   32
#define	DEPTH   64
#define	OFFSET(x)   offsetof(AudioDynamicEqualizerContext, x)
#define	AF   AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
#define	FLAGS   AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Enumerations
enum	DetectionModes {   DET_UNSET = 0, DET_DISABLED, DET_OFF, DET_ON,   DET_ADAPTIVE, NB_DMODES }
enum	FilterModes {   LISTEN = -1, CUT_BELOW, CUT_ABOVE, BOOST_BELOW,   BOOST_ABOVE, NB_FMODES, BASIC, FINAL,   NB_MODES, BASIC, FAST, NB_MODES }

Functions
static int	query_formats (AVFilterContext *ctx)
static double	get_coef (double x, double sr)
static int	config_input (AVFilterLink *inlink)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)
static av_cold void	uninit (AVFilterContext *ctx)
	AVFILTER_DEFINE_CLASS (adynamicequalizer)

Variables
static const AVOption	adynamicequalizer_options []
static const AVFilterPad	inputs []
const AVFilter	ff_af_adynamicequalizer

Macro Definition Documentation

DEPTH [1/2]

#define DEPTH   32

Definition at line 143 of file af_adynamicequalizer.c.

DEPTH [2/2]

#define DEPTH   64

Definition at line 143 of file af_adynamicequalizer.c.

OFFSET

#define OFFSET

(

x

)

offsetof(AudioDynamicEqualizerContext, x)

Definition at line 221 of file af_adynamicequalizer.c.

AF

#define AF   AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 222 of file af_adynamicequalizer.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 223 of file af_adynamicequalizer.c.

Enumeration Type Documentation

DetectionModes

enum DetectionModes

Enumerator
DET_UNSET
DET_DISABLED
DET_OFF
DET_ON
DET_ADAPTIVE
NB_DMODES

Definition at line 27 of file af_adynamicequalizer.c.

FilterModes

enum FilterModes

Enumerator
LISTEN
CUT_BELOW
CUT_ABOVE
BOOST_BELOW
BOOST_ABOVE
NB_FMODES
BASIC
FINAL
NB_MODES
BASIC
FAST
NB_MODES

Definition at line 36 of file af_adynamicequalizer.c.

Function Documentation

query_formats()

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 111 of file af_adynamicequalizer.c.

get_coef()

static double get_coef ( double  x, double  sr  )

static

Definition at line 130 of file af_adynamicequalizer.c.

Referenced by filter_prepare().

config_input()

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 146 of file af_adynamicequalizer.c.

filter_frame()

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

static

Definition at line 179 of file af_adynamicequalizer.c.

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 209 of file af_adynamicequalizer.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

adynamicequalizer

)

Variable Documentation

adynamicequalizer_options

const AVOption adynamicequalizer_options[]

static

Definition at line 225 of file af_adynamicequalizer.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 265 of file af_adynamicequalizer.c.

ff_af_adynamicequalizer

const AVFilter ff_af_adynamicequalizer

Initial value:

= {
    .name            = "adynamicequalizer",
    .description     = NULL_IF_CONFIG_SMALL("Apply Dynamic Equalization of input audio."),
    .priv_size       = sizeof(AudioDynamicEqualizerContext),
    .priv_class      = &adynamicequalizer_class,
    .uninit          = uninit,
    FILTER_INPUTS(inputs),
    FILTER_OUTPUTS(ff_audio_default_filterpad),
    FILTER_QUERY_FUNC(query_formats),
    .flags           = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL |
                       AVFILTER_FLAG_SLICE_THREADS,
    .process_command = ff_filter_process_command,
}

Definition at line 274 of file af_adynamicequalizer.c.