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/**************************************************************************/
/* godot.audio.position.worklet.js */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
const POST_THRESHOLD_S = 0.1;
class GodotPositionReportingProcessor extends AudioWorkletProcessor {
constructor(...args) {
super(...args);
this.lastPostTime = currentTime;
this.position = 0;
this.ended = false;
this.port.onmessage = (event) => {
if (event?.data?.type === 'ended') {
this.ended = true;
}
};
}
process(inputs, _outputs, _parameters) {
if (this.ended) {
return false;
}
if (inputs.length > 0) {
const input = inputs[0];
if (input.length > 0) {
this.position += input[0].length;
}
}
// Posting messages is expensive. Let's limit the number of posts.
if (currentTime - this.lastPostTime > POST_THRESHOLD_S) {
this.lastPostTime = currentTime;
this.port.postMessage({ type: 'position', data: this.position });
}
return true;
}
}
registerProcessor('godot-position-reporting-processor', GodotPositionReportingProcessor);
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