From 7834e667335fe33cc8f95f5694764514437aa69f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=8E=8C=E6=8E=A7-=E7=89=A9=E8=B4=A8?=
 <60373614+zk-wz@users.noreply.github.com>
Date: Sat, 23 May 2026 16:32:46 +0800
Subject: [PATCH] Workaround endless loading on Android Chrome

Replace top-level await with then() in browser.js, due to a bug in
chromium browsers.

https://github.com/novnc/noVNC/pull/2053
---
 core/util/browser.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/core/util/browser.js b/core/util/browser.js
index 12f47a76..c613a7e9 100644
--- a/core/util/browser.js
+++ b/core/util/browser.js
@@ -182,7 +182,12 @@ async function _checkWebCodecsH264DecodeSupport() {
 
     return true;
 }
-supportsWebCodecsH264Decode = await _checkWebCodecsH264DecodeSupport();
+
+// FIXME: Avoid top-level await due to a Chromium bug where Decoder.flush()
+// can hang indefinitely on some Android devices, blocking module evaluation.
+_checkWebCodecsH264DecodeSupport().then((result) => {
+    supportsWebCodecsH264Decode = result;
+});
 
 /*
  * The functions for detection of platforms and browsers below are exported