initial commit, 4.5 stable

platform/web/js/libs/audio.position.worklet.js

@@ -0,0 +1,66 @@
+/**************************************************************************/
+/*  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.                 */
+/**************************************************************************/
+
+class GodotPositionReportingProcessor extends AudioWorkletProcessor {
+	static get parameterDescriptors() {
+		return [
+			{
+				name: 'reset',
+				defaultValue: 0,
+				minValue: 0,
+				maxValue: 1,
+				automationRate: 'k-rate',
+			},
+		];
+	}
+
+	constructor(...args) {
+		super(...args);
+		this.position = 0;
+	}
+
+	process(inputs, _outputs, parameters) {
+		if (parameters['reset'][0] > 0) {
+			this.position = 0;
+		}
+
+		if (inputs.length > 0) {
+			const input = inputs[0];
+			if (input.length > 0) {
+				this.position += input[0].length;
+				this.port.postMessage({ type: 'position', data: this.position });
+			}
+		}
+
+		return true;
+	}
+}
+
+registerProcessor('godot-position-reporting-processor', GodotPositionReportingProcessor);