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