From 81da94a9582776c99d8d8a2fc024df4c4f43d88c Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Fri, 5 Jul 2019 12:52:42 +0200
Subject: Revert "tracker/easy: don't recreate preview all the time"

---
 tracker-easy/tracker-easy.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tracker-easy/tracker-easy.cpp b/tracker-easy/tracker-easy.cpp
index 5c1c8684..59c01f68 100644
--- a/tracker-easy/tracker-easy.cpp
+++ b/tracker-easy/tracker-easy.cpp
@@ -584,6 +584,14 @@ namespace EasyTracker
                 iPreview = Preview(w, h);
             }
         }
+        else
+        {
+            // No preview, destroy preview pop-up
+            if (iDebug)
+            {
+                cv::destroyWindow("Preview");
+            }
+        }
 
         dbgout << "Frame time:" << iTimer.elapsed_seconds();
         //infout << "ProcessFrame - end";
-- 
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