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/*
* @class AddOffsetProcessor
* @extends AudioWorkletProcessor
*
* Just adds a fixed value to the input
*/
class AddOffsetProcessor extends AudioWorkletProcessor {
constructor(options) {
super();
this._offset = options.processorOptions.offset;
}
process(inputs, outputs) {
// This processor assumes the node has at least 1 input and 1 output.
let input = inputs[0];
let output = outputs[0];
let outputChannel = output[0];
if (input.length > 0) {
let inputChannel = input[0];
for (let k = 0; k < outputChannel.length; ++k)
outputChannel[k] = inputChannel[k] + this._offset;
} else {
// No input connected, so pretend it's silence and just fill the
// output with the offset value.
outputChannel.fill(this._offset);
}
return true;
}
}
registerProcessor('add-offset-processor', AddOffsetProcessor);