From de6344915059fa0f93a388f307323003bec094fa Mon Sep 17 00:00:00 2001
From: Juliusz Chroboczek <jch@irif.fr>
Date: Mon, 21 Mar 2022 19:40:41 +0100
Subject: [PATCH] More paranoid match for Firefox bandwidth workaround.

---
 static/galene.js | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/static/galene.js b/static/galene.js
index 0683a73..4f9988d 100644
--- a/static/galene.js
+++ b/static/galene.js
@@ -1220,8 +1220,20 @@ function setUpStream(c, stream) {
         });
 
         // Firefox workaround
+        function match(a, b) {
+            if(!a || !b)
+                return false;
+            if(a.length !== b.length)
+                return false;
+            for(let i = 0; i < a.length; i++) {
+                if(a.maxBitrate !== b.maxBitrate)
+                    return false;
+            }
+            return true;
+        }
+
         let p = tr.sender.getParameters();
-        if(!p.encodings || p.encodings.length != encodings.length) {
+        if(!p || !match(p.encodings, encodings)) {
             p.encodings = encodings;
             tr.sender.setParameters(p);
         }