From 4ca4b13b62426c7f6921d88f72cd0a15986dca29 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Sun, 3 Feb 2019 08:13:50 +0100
Subject: tracker/aruco: avoid busy-loop on camera failure

---
 tracker-aruco/ftnoir_tracker_aruco.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'tracker-aruco/ftnoir_tracker_aruco.cpp')

diff --git a/tracker-aruco/ftnoir_tracker_aruco.cpp b/tracker-aruco/ftnoir_tracker_aruco.cpp
index bddec739..986eb943 100644
--- a/tracker-aruco/ftnoir_tracker_aruco.cpp
+++ b/tracker-aruco/ftnoir_tracker_aruco.cpp
@@ -374,7 +374,10 @@ void aruco_tracker::run()
             QMutexLocker l(&camera_mtx);
 
             if (!camera.read(color))
+            {
+                portable::sleep(100);
                 continue;
+            }
         }
 
         cv::cvtColor(color, grayscale, cv::COLOR_BGR2GRAY);
-- 
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