83 lines
No EOL
1.9 KiB
JavaScript
83 lines
No EOL
1.9 KiB
JavaScript
const EventEmitter = require('events');
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const AudioBuffer = require('./AudioBuffer.js');
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class Player extends EventEmitter {
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constructor() {
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super();
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}
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async prepare(stream, settings) {
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logger.debug('preparing audio player...');
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this.events = [];
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this.settings = settings;
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this.audiobuffer = new AudioBuffer(stream, this.settings);
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this.audiobuffer.on(constants.THRESHOLD, () => {
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this.#setState(constants.READY);
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});
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this.audiobuffer.on('play', () => {
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this.#setState(constants.PLAYING);
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});
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this.audiobuffer.on('pause', () => {
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this.#setState(constants.PAUSED);
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});
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this.audiobuffer.on('close', () => {
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this.#setState(constants.STOPPED);
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});
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}
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play() {
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this.audiobuffer.play();
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}
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pause() {
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this.audiobuffer.pause();
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}
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async stop() {
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this.audiobuffer.stop();
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}
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isReady() {
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return this.state === constants.READY;
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}
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isPlaying() {
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return this.state === constants.PLAYING;
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}
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isPaused() {
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return this.state === constants.PAUSED;
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}
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isFinished() {
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return this.state === constants.STOPPED;
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}
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hasError() {
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return this.state === constants.ERROR;
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}
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getProgress() {
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return this.audiobuffer?.getProgress() || 0;
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}
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#setState(state, data) {
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if (this.state === state) {
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return;
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}
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this.state = state;
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logger.debug('setting state of audio player to \'' + state + '\'...');
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if (this.events.includes(state)) {
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return;
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}
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logger.debug('emitting state \'' + state + '\' of audio player...');
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this.emit(this.state, { data: data });
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this.emit(constants.STATECHANGE, { state: this.state, progress: this.getProgress() });
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this.events.push(state);
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}
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}
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module.exports = Player; |