55 lines
1.5 KiB
JavaScript
55 lines
1.5 KiB
JavaScript
; // make sure kotlin js code last statement is ended
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class WorkletProcessor extends AudioWorkletProcessor {
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// Static getter to define AudioParam objects in this custom processor.
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static get parameterDescriptors() {
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return [{
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name: 'volume',
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defaultValue: 0.75
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}];
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}
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constructor() {
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super();
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console.log("worklet-processor.constructor", this, audioWorklet);
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audioWorklet.WorkletProcessor.setPort(this.port);
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console.log("STARTED worklet-processor.js");
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}
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process(inputs, outputs, parameters) {
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let result = true;
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let samplesToProcess = 0;
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if (outputs.length !== 1) {
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result = false;
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console.log("Unexpected number of outputs!", outputs)
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} else {
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let channels = outputs[0].length;
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if (channels !== 2) {
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result = false;
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console.log("Unexpected number of channels!", outputs[0]);
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} else if (outputs[0][0].length !== outputs[0][1].length) {
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result = false;
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console.log("Channels have different lengths!!", outputs[0]);
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} else {
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samplesToProcess = outputs[0][0].length;
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audioWorklet.WorkletProcessor.process(
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samplesToProcess,
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outputs[0][0],
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outputs[0][1]
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);
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}
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}
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return result;
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}
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}
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registerProcessor('worklet-processor', WorkletProcessor);
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