From bb6659f9839b87e94e4235ce113c6102bf7f1cc8 Mon Sep 17 00:00:00 2001
From: David Baker <dave@matrix.org>
Date: Tue, 16 Feb 2021 15:48:58 +0000
Subject: [PATCH] Set ICE candidate pool size option

So we can start candidate gathering in advance
---
 src/MatrixClientPeg.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/MatrixClientPeg.ts b/src/MatrixClientPeg.ts
index bb4be663b6..98ca446532 100644
--- a/src/MatrixClientPeg.ts
+++ b/src/MatrixClientPeg.ts
@@ -279,6 +279,10 @@ class _MatrixClientPeg implements IMatrixClientPeg {
             timelineSupport: true,
             forceTURN: !SettingsStore.getValue('webRtcAllowPeerToPeer'),
             fallbackICEServerAllowed: !!SettingsStore.getValue('fallbackICEServerAllowed'),
+            // Gather up to 20 ICE candidates when a call arrives: this should be more than we'd
+            // ever normally need, so effectively this should make all the gathering happen when
+            // the call arrives.
+            iceCandidatePoolSize: 20,
             verificationMethods: [
                 verificationMethods.SAS,
                 SHOW_QR_CODE_METHOD,