1/**************************************************************************/
 2/*  godot.audio.position.worklet.js                                                      */
 3/**************************************************************************/
 4/*                         This file is part of:                          */
 5/*                             GODOT ENGINE                               */
 6/*                        https://godotengine.org                         */
 7/**************************************************************************/
 8/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
 9/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
10/*                                                                        */
11/* Permission is hereby granted, free of charge, to any person obtaining  */
12/* a copy of this software and associated documentation files (the        */
13/* "Software"), to deal in the Software without restriction, including    */
14/* without limitation the rights to use, copy, modify, merge, publish,    */
15/* distribute, sublicense, and/or sell copies of the Software, and to     */
16/* permit persons to whom the Software is furnished to do so, subject to  */
17/* the following conditions:                                              */
18/*                                                                        */
19/* The above copyright notice and this permission notice shall be         */
20/* included in all copies or substantial portions of the Software.        */
21/*                                                                        */
22/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
23/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
24/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
25/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
26/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
27/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
28/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
29/**************************************************************************/
30
31class GodotPositionReportingProcessor extends AudioWorkletProcessor {
32	static get parameterDescriptors() {
33		return [
34			{
35				name: 'reset',
36				defaultValue: 0,
37				minValue: 0,
38				maxValue: 1,
39				automationRate: 'k-rate',
40			},
41		];
42	}
43
44	constructor(...args) {
45		super(...args);
46		this.position = 0;
47	}
48
49	process(inputs, _outputs, parameters) {
50		if (parameters['reset'][0] > 0) {
51			this.position = 0;
52		}
53
54		if (inputs.length > 0) {
55			const input = inputs[0];
56			if (input.length > 0) {
57				this.position += input[0].length;
58				this.port.postMessage({ type: 'position', data: this.position });
59			}
60		}
61
62		return true;
63	}
64}
65
66registerProcessor('godot-position-reporting-processor', GodotPositionReportingProcessor);