From 1334c04235ff4091534763a60258cc39f7c8792f Mon Sep 17 00:00:00 2001
From: itsmattkc <itsmattkc@gmail.com>
Date: Mon, 31 Aug 2020 15:20:31 +1000
Subject: [PATCH] viewer: return if no viewer is connected

Minor improvement
---
 app/widget/viewer/viewer.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/app/widget/viewer/viewer.cpp b/app/widget/viewer/viewer.cpp
index 49f260dd4..d5736155f 100644
--- a/app/widget/viewer/viewer.cpp
+++ b/app/widget/viewer/viewer.cpp
@@ -435,8 +435,13 @@ void ViewerWidget::PlayInternal(int speed, bool in_to_out_only)
 {
   Q_ASSERT(speed != 0);
 
+  if (!GetConnectedNode()) {
+    // Do nothing if no viewer node is attached
+    return;
+  }
+
   if (timebase().isNull()) {
-    qWarning() << "ViewerWidget can't play with an invalid timebase";
+    qCritical() << "ViewerWidget can't play with an invalid timebase";
     return;
   }