From ef4bc0b46db5be4536219d18468ff04ba2a0e4a7 Mon Sep 17 00:00:00 2001
From: Raja Subramanian <raja.gobi@tutanota.com>
Date: Mon, 26 Feb 2024 15:15:04 +0530
Subject: [PATCH] Support no dynacast pause. (#2512)

---
 pkg/rtc/dynacastmanager.go | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/pkg/rtc/dynacastmanager.go b/pkg/rtc/dynacastmanager.go
index 896e36449..0fed210ce 100644
--- a/pkg/rtc/dynacastmanager.go
+++ b/pkg/rtc/dynacastmanager.go
@@ -59,9 +59,11 @@ func NewDynacastManager(params DynacastManagerParams) *DynacastManager {
 		dynacastQuality:               make(map[string]*DynacastQuality),
 		maxSubscribedQuality:          make(map[string]livekit.VideoQuality),
 		committedMaxSubscribedQuality: make(map[string]livekit.VideoQuality),
-		maxSubscribedQualityDebounce:  debounce.New(params.DynacastPauseDelay),
 		qualityNotifyOpQueue:          utils.NewOpsQueue("quality-notify", 64, true),
 	}
+	if params.DynacastPauseDelay > 0 {
+		d.maxSubscribedQualityDebounce = debounce.New(params.DynacastPauseDelay)
+	}
 	d.qualityNotifyOpQueue.Start()
 	return d
 }
@@ -223,7 +225,7 @@ func (d *DynacastManager) update(force bool) {
 			return
 		}
 
-		if downgradesOnly {
+		if downgradesOnly && d.maxSubscribedQualityDebounce != nil {
 			if !d.maxSubscribedQualityDebouncePending {
 				d.params.Logger.Debugw("debouncing quality downgrade",
 					"committedMaxSubscribedQuality", d.committedMaxSubscribedQuality,
@@ -245,8 +247,10 @@ func (d *DynacastManager) update(force bool) {
 	}
 
 	// clear debounce on send
-	d.maxSubscribedQualityDebounce(func() {})
-	d.maxSubscribedQualityDebouncePending = false
+	if d.maxSubscribedQualityDebounce != nil {
+		d.maxSubscribedQualityDebounce(func() {})
+		d.maxSubscribedQualityDebouncePending = false
+	}
 
 	d.params.Logger.Debugw("committing quality change",
 		"force", force,