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213 lines
7.2 KiB
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213 lines
7.2 KiB
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<title>JSDoc: Source: sound/SoundPlayer.js</title>
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<h1 class="page-title">Source: sound/SoundPlayer.js</h1>
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<section>
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<article>
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<pre class="prettyprint source linenums"><code>/**
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* Sound player interface
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*
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* @author Alain Pitiot
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* @version 2021.1.1
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* @copyright (c) 2017-2020 Ilixa Ltd. (http://ilixa.com) (c) 2020 Open Science Tools Ltd. (https://opensciencetools.org)
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* @license Distributed under the terms of the MIT License
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*/
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import {PsychObject} from '../util/PsychObject';
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/**
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* <p>SoundPlayer is an interface for the sound players, who are responsible for actually playing the sounds, i.e. the tracks or the tones.</p>
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*
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* @name module:sound.SoundPlayer
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* @interface
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* @extends PsychObject
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* @param {module:core.PsychoJS} psychoJS - the PsychoJS instance
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*/
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export class SoundPlayer extends PsychObject
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{
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constructor(psychoJS)
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{
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super(psychoJS);
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}
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/**
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* Determine whether this player can play the given sound.
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*
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* @name module:sound.SoundPlayer.accept
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* @function
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* @static
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* @public
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* @abstract
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* @param {module:sound.Sound} - the sound
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* @return {Object|undefined} an instance of the SoundPlayer that can play the sound, or undefined if none could be found
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*/
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static accept(sound)
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{
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throw {
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origin: 'SoundPlayer.accept',
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context: 'when evaluating whether this player can play a given sound',
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error: 'this method is abstract and should not be called.'
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};
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}
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/**
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* Start playing the sound.
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*
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* @name module:sound.SoundPlayer#play
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* @function
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* @public
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* @abstract
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* @param {number} [loops] - how many times to repeat the sound after it has played once. If loops == -1, the sound will repeat indefinitely until stopped.
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*/
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play(loops)
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{
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throw {
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origin: 'SoundPlayer.play',
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context: 'when starting the playback of a sound',
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error: 'this method is abstract and should not be called.'
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};
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}
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/**
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* Stop playing the sound immediately.
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*
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* @name module:sound.SoundPlayer#stop
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* @function
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* @public
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* @abstract
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*/
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stop()
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{
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throw {
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origin: 'SoundPlayer.stop',
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context: 'when stopping the playback of a sound',
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error: 'this method is abstract and should not be called.'
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};
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}
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/**
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* Get the duration of the sound, in seconds.
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*
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* @name module:sound.SoundPlayer#getDuration
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* @function
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* @public
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* @abstract
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*/
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getDuration()
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{
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throw {
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origin: 'SoundPlayer.getDuration',
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context: 'when getting the duration of the sound',
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error: 'this method is abstract and should not be called.'
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};
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}
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/**
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* Set the duration of the sound, in seconds.
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*
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* @name module:sound.SoundPlayer#setDuration
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* @function
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* @public
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* @abstract
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*/
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setDuration(duration_s)
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{
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throw {
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origin: 'SoundPlayer.setDuration',
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context: 'when setting the duration of the sound',
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error: 'this method is abstract and should not be called.'
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};
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}
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/**
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* Set the number of loops.
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*
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* @name module:sound.SoundPlayer#setLoops
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* @function
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* @public
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* @abstract
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* @param {number} loops - how many times to repeat the sound after it has played once. If loops == -1, the sound will repeat indefinitely until stopped.
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*/
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setLoops(loops)
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{
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throw {
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origin: 'SoundPlayer.setLoops',
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context: 'when setting the number of loops',
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error: 'this method is abstract and should not be called.'
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};
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}
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/**
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* Set the volume of the tone.
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*
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* @name module:sound.SoundPlayer#setVolume
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* @function
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* @public
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* @abstract
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* @param {Integer} volume - the volume of the tone
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* @param {boolean} [mute= false] - whether or not to mute the tone
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*/
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setVolume(volume, mute = false)
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{
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throw {
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origin: 'SoundPlayer.setVolume',
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context: 'when setting the volume of the sound',
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error: 'this method is abstract and should not be called.'
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};
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}
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}
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</code></pre>
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</article>
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</section>
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</div>
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<nav>
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<h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-core.html">core</a></li><li><a href="module-data.html">data</a></li><li><a href="module-sound.html">sound</a></li><li><a href="module-util.html">util</a></li><li><a href="module-visual.html">visual</a></li></ul><h3>Classes</h3><ul><li><a href="module-core.BuilderKeyResponse.html">BuilderKeyResponse</a></li><li><a href="module-core.EventManager.html">EventManager</a></li><li><a href="module-core.GUI.html">GUI</a></li><li><a href="module-core.Keyboard.html">Keyboard</a></li><li><a href="module-core.KeyPress.html">KeyPress</a></li><li><a href="module-core.Logger.html">Logger</a></li><li><a href="module-core.MinimalStim.html">MinimalStim</a></li><li><a href="module-core.Mouse.html">Mouse</a></li><li><a href="module-core.PsychoJS.html">PsychoJS</a></li><li><a href="module-core.ServerManager.html">ServerManager</a></li><li><a href="module-core.Window.html">Window</a></li><li><a href="module-data.ExperimentHandler.html">ExperimentHandler</a></li><li><a href="module-data.TrialHandler.html">TrialHandler</a></li><li><a href="module-sound.Sound.html">Sound</a></li><li><a href="module-sound.TonePlayer.html">TonePlayer</a></li><li><a href="module-sound.TrackPlayer.html">TrackPlayer</a></li><li><a href="module-util.Clock.html">Clock</a></li><li><a href="module-util.Color.html">Color</a></li><li><a href="module-util.CountdownTimer.html">CountdownTimer</a></li><li><a href="module-util.EventEmitter.html">EventEmitter</a></li><li><a href="module-util.MixinBuilder.html">MixinBuilder</a></li><li><a href="module-util.MonotonicClock.html">MonotonicClock</a></li><li><a href="module-util.PsychObject.html">PsychObject</a></li><li><a href="module-util.Scheduler.html">Scheduler</a></li><li><a href="module-visual.Form.html">Form</a></li><li><a href="module-visual.ImageStim.html">ImageStim</a></li><li><a href="module-visual.MovieStim.html">MovieStim</a></li><li><a href="module-visual.Polygon.html">Polygon</a></li><li><a href="module-visual.Rect.html">Rect</a></li><li><a href="module-visual.ShapeStim.html">ShapeStim</a></li><li><a href="module-visual.Slider.html">Slider</a></li><li><a href="module-visual.TextBox.html">TextBox</a></li><li><a href="module-visual.TextStim.html">TextStim</a></li><li><a href="module-visual.VisualStim.html">VisualStim</a></li><li><a href="TextInput.html">TextInput</a></li></ul><h3>Interfaces</h3><ul><li><a href="module-sound.SoundPlayer.html">SoundPlayer</a></li></ul><h3>Mixins</h3><ul><li><a href="module-core.WindowMixin.html">WindowMixin</a></li><li><a href="module-util.ColorMixin.html">ColorMixin</a></li></ul>
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