82 lines
2.6 KiB
JavaScript
82 lines
2.6 KiB
JavaScript
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const NodeSpeaker = require('speaker');
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const createReadStream = require('fs').createReadStream;
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class Speaker {
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constructor(channels, bitDepth, sampleRate) {
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this.#handlePlayer(channels, bitDepth, sampleRate);
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this.playback = {
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played: 0,
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tmp: 0
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};
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}
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pipe(data) {
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return this.speaker.write(data);
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}
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// pipe(buffer, position) {
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// if (buffer === undefined) {
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// return;
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// }
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// this.playback.stream = createReadStream(file);
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// if (isNaN(position) || position < 0) {
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// position = 0;
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// }
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// position = 65537* 100;
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// this.playback.stream.on('data', (data) => {
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// if (position > 0 && this.playback.played <= position) {
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// const offset = position - (this.playback.played + data.length);
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// if (offset >= 0) {
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// this.playback.played += data.length;
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// return;
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// }
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// data = data.subarray(data.length + offset);
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// }
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// if (this.speaker.write(data) === true) {
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// this.playback.played += data.length;
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// } else {
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// this.playback.tmp = data.length;
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// this.playback.stream.pause();
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// }
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// });
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// this.playback.stream.on('end', () => {
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// logger.debug('read stream ended');
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// });
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// this.playback.stream.on('close', () => {
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// logger.debug('read stream closed');
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// });
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// this.playback.stream.on('drain', () => {
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// logger.debug('read stream drained');
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// });
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// this.playback.stream.on('error', (error) => {
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// logger.debug('read stream encountered an error: ' + error);
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// });
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// }
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#handlePlayer(channels, bitDepth, sampleRate) {
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this.speaker = new NodeSpeaker({
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channels: channels,
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bitDepth: bitDepth,
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sampleRate: sampleRate
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});
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this.speaker.on('open', () => {
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logger.debug('speaker opened...');
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});
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this.speaker.on('flush', () => {
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logger.debug('speaker flushed...');
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});
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this.speaker.on('close', () => {
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logger.debug('speaker closed...');
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});
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this.speaker.on('drain', () => {
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// handle backpressure
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// this.playback.played += this.tmp;
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// this.playback.tmp = 0;
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// this.playback.stream.resume();
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});
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}
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}
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module.exports = Speaker;
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