From 179ec3ca0ef909592eece8c907ec0cd855ef5b04 Mon Sep 17 00:00:00 2001
From: Fabio Alessandrelli <fabio.alessandrelli@gmail.com>
Date: Tue, 10 Nov 2020 11:05:22 +0100
Subject: [HTML5] AudioWorklet API implementation.

Rewrote AudioDriverJavaScript to support multiple processor nodes.
The old (and deprecated) ScriptProcessorNode when threads are not
available, and the new AudioWorklet API when threads are enabled.

The new implementation uses two ring buffers and a shared state to
communicated with the AudioWorklet thread.

The audio.worklet.js JavaScript file is always added to the export
template, but only really used (and downloaded) in the thread build.
---
 platform/javascript/export/export.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'platform/javascript/export/export.cpp')

diff --git a/platform/javascript/export/export.cpp b/platform/javascript/export/export.cpp
index a83ff44d20..d520931067 100644
--- a/platform/javascript/export/export.cpp
+++ b/platform/javascript/export/export.cpp
@@ -94,6 +94,9 @@ public:
 		} else if (req[1] == basereq + ".js") {
 			filepath += ".js";
 			ctype = "application/javascript";
+		} else if (req[1] == basereq + ".audio.worklet.js") {
+			filepath += ".audio.worklet.js";
+			ctype = "application/javascript";
 		} else if (req[1] == basereq + ".worker.js") {
 			filepath += ".worker.js";
 			ctype = "application/javascript";
@@ -440,6 +443,9 @@ Error EditorExportPlatformJavaScript::export_project(const Ref<EditorExportPrese
 		} else if (file == "godot.worker.js") {
 			file = p_path.get_file().get_basename() + ".worker.js";
 
+		} else if (file == "godot.audio.worklet.js") {
+			file = p_path.get_file().get_basename() + ".audio.worklet.js";
+
 		} else if (file == "godot.wasm") {
 			file = p_path.get_file().get_basename() + ".wasm";
 		}
@@ -566,6 +572,7 @@ Error EditorExportPlatformJavaScript::run(const Ref<EditorExportPreset> &p_prese
 		DirAccess::remove_file_or_error(basepath + ".html");
 		DirAccess::remove_file_or_error(basepath + ".js");
 		DirAccess::remove_file_or_error(basepath + ".worker.js");
+		DirAccess::remove_file_or_error(basepath + ".audio.worklet.js");
 		DirAccess::remove_file_or_error(basepath + ".pck");
 		DirAccess::remove_file_or_error(basepath + ".png");
 		DirAccess::remove_file_or_error(basepath + ".wasm");
-- 
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