From 6a394b4e48b02ea67abd8e1823e6d398f6ca6c69 Mon Sep 17 00:00:00 2001
From: itsmattkc <34096995+itsmattkc@users.noreply.github.com>
Date: Sun, 6 Nov 2022 21:04:53 -0800
Subject: [PATCH] viewer: only detect multicam nodes if a viewer is connected

Fixes null ref crash
---
 app/widget/viewer/viewer.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/widget/viewer/viewer.cpp b/app/widget/viewer/viewer.cpp
index 32d1a5bd9..b84d0dec2 100644
--- a/app/widget/viewer/viewer.cpp
+++ b/app/widget/viewer/viewer.cpp
@@ -619,7 +619,9 @@ void ViewerWidget::SaveFrameAsImage()
 
 void ViewerWidget::DetectMulticamNodeNow()
 {
-  DetectMulticamNode(GetConnectedNode()->GetPlayhead());
+  if (GetConnectedNode()) {
+    DetectMulticamNode(GetConnectedNode()->GetPlayhead());
+  }
 }
 
 void ViewerWidget::CloseAudioProcessor()