From 6a80beedfca6e7f96c1bef8b28406714f7942f82 Mon Sep 17 00:00:00 2001
From: David Zhao <david@davidzhao.com>
Date: Wed, 3 Nov 2021 23:09:25 -0700
Subject: [PATCH] Only send connection quality updates for protocol 5+

---
 pkg/rtc/room.go                   | 3 +++
 pkg/rtc/types/protocol_version.go | 5 +++++
 2 files changed, 8 insertions(+)

diff --git a/pkg/rtc/room.go b/pkg/rtc/room.go
index 848297ca9..d9b7086e9 100644
--- a/pkg/rtc/room.go
+++ b/pkg/rtc/room.go
@@ -722,6 +722,9 @@ func (r *Room) connectionQualityWorker() {
 		}
 
 		for _, op := range participants {
+			if !op.ProtocolVersion().SupportsConnectionQuality() {
+				continue
+			}
 			update := &livekit.ConnectionQualityUpdate{}
 
 			// send to user itself
diff --git a/pkg/rtc/types/protocol_version.go b/pkg/rtc/types/protocol_version.go
index a445c2a49..e87af33f3 100644
--- a/pkg/rtc/types/protocol_version.go
+++ b/pkg/rtc/types/protocol_version.go
@@ -30,3 +30,8 @@ func (v ProtocolVersion) SupportsSpeakerChanged() bool {
 func (v ProtocolVersion) SupportsTransceiverReuse() bool {
 	return v > 3
 }
+
+// SupportsConnectionQuality - avoid sending frequent ConnectionQuality updates for lower protocol versions
+func (v ProtocolVersion) SupportsConnectionQuality() bool {
+	return v > 4
+}