import AudioContext from 'itslanguage/WebAudio/AudioContext.js'

public class | source

AudioContext

Direct Subclass:

Player, Recorder

Recorder Simple Audio Recorder based on WebAudio technology

Constructor Summary

Public Constructor
public	constructor(audioContext: Object, debugNameSpace: string) Construct the Player.

Member Summary

Public Members
public	audioContext: AudioContext Private object to hold AudioContext node.
public	error: Function This will be the error function.
public	log: Function This will be the log function.

Private Members
private	eventListeners: Array Keep a list of all registered event listeners.

Method Summary

Public Methods
public	addEventListener(args: ...*) Wraps the addEventListener which is available on the AudioContext node.
public	createAudioContext(): AudioContext Get the audio context or create one.
public	fireEvent(eventName: string, data: Object) Use this method to conveniently fire an event.
public	removeAllEventListeners()
public	removeEventListener(args: ...*) Wraps the removeEventListener which is available on the AudioContext node.
public	resumeAudioContext() Resume a suspended AudioContext.
public	suspendAudioContext() Suspend the AudioContext to preserve power and such.

Public Constructors

public constructor(audioContext: Object, debugNameSpace: string) source

Construct the Player.

Params:

Name	Type	Attribute	Description
audioContext	Object		Allow to provide custom/own audioContext object.
debugNameSpace	string		Name to be used for debugging.

Public Members

public audioContext: AudioContext source

Private object to hold AudioContext node.

public error: Function source

This will be the error function. Will output to stderr.

public log: Function source

This will be the log function. Will output to stdout.

Private Members

private eventListeners: Array source

Keep a list of all registered event listeners. This way, we could conveniently remove all the listeners at once.

Public Methods

public addEventListener(args: ...*) source

Wraps the addEventListener which is available on the AudioContext node. Note that it is requierd to pass a named function to actually be able to remove an event listeners. This is just how the EventTarget.removeEventListener works. There are no extra checks for.

Params:

Name	Type	Attribute	Description
args	...*		Array with passed arguments.

See:

https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/attachEvent

public createAudioContext(): AudioContext source

Get the audio context or create one.

Return:

AudioContext

The AudioContext created will be returned

public fireEvent(eventName: string, data: Object) source

Use this method to conveniently fire an event. We could, if we wanted, add some data.

Params:

Name	Type	Attribute	Description
eventName	string		Event to fire.
data	Object		Data to pass as detail.

public removeAllEventListeners() source

public removeEventListener(args: ...*) source

Wraps the removeEventListener which is available on the AudioContext node. Make sure to call with the same arguments as the addEventListner.

If you didn't call the addEventListener with a named function, please note that you won't be able to remove the eventListener.

Params:

Name	Type	Attribute	Description
args	...*		Array with passed arguments.

See:

https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/removeEventListener

public resumeAudioContext() source

Resume a suspended AudioContext.

public suspendAudioContext() source

Suspend the AudioContext to preserve power and such.