viewer: return if no viewer is connected

Minor improvement
2020-08-31 15:20:31 +10:00
parent 050103a857
commit 1334c04235
1 changed files with 6 additions and 1 deletions
@@ -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;
  }