35 lines
938 B
TypeScript
35 lines
938 B
TypeScript
class TransportProcessor extends AudioWorkletProcessor {
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started: boolean;
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options: object;
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constructor(options: AudioWorkletNodeOptions) {
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super();
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this.port.addEventListener("message", this.handleMessage);
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this.port.start();
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this.started = false;
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this.options = options;
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}
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handleMessage = (message: MessageEvent) => {
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if (message.data && message.data.type === "ping") {
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this.port.postMessage(message.data);
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} else if (message.data === "start") {
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this.started = true;
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} else if (message.data === "pause") {
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this.started = false;
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} else if (message.data === "stop") {
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this.started = false;
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}
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};
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process() {
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if (this.started) this.port.postMessage({ type: "bang", currentTime });
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return true;
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}
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}
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registerProcessor(
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"transport",
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TransportProcessor
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); |