From a89dfd61415afd8137f22fdde8d863346fee1ade Mon Sep 17 00:00:00 2001
From: Pierre Ossman <ossman@cendio.se>
Date: Thu, 21 Nov 2024 13:16:17 +0100
Subject: [PATCH] Handle exceptions from VideoDecoder.flush()

These are not supposed to happen according to the specification, but
Firefox has some bug and throws them anyway.
---
 core/util/browser.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/core/util/browser.js b/core/util/browser.js
index 23f3d3e9..b55264fe 100644
--- a/core/util/browser.js
+++ b/core/util/browser.js
@@ -127,7 +127,13 @@ async function _checkWebCodecsH264DecodeSupport() {
 
     decoder.configure(config);
     decoder.decode(chunk);
-    await decoder.flush();
+    try {
+        await decoder.flush();
+    } catch (e) {
+        // Firefox incorrectly throws an exception here
+        // https://bugzilla.mozilla.org/show_bug.cgi?id=1932566
+        error = e;
+    }
 
     if (error !== null) {
         return false;