tracker/aruco, tracker/pt: sleep before releasing camera

Really fast toggling tracking crashed with my PS3 Eye.

1 files changed, 3 insertions, 0 deletions

diff --git a/tracker-pt/ftnoir_tracker_pt.cpp b/tracker-pt/ftnoir_tracker_pt.cpp
index 15a60962..2dbf9068 100644
--- a/tracker-pt/ftnoir_tracker_pt.cpp
+++ b/tracker-pt/ftnoir_tracker_pt.cpp
@@ -13,6 +13,7 @@
 #include <QFile>
 #include <QCoreApplication>
 #include "opentrack/camera-names.hpp"
+#include "opentrack-compat/sleep.hpp"
 
 //#define PT_PERF_LOG	//log performance
 
@@ -34,6 +35,8 @@ Tracker_PT::~Tracker_PT()
     delete video_widget;
     video_widget = NULL;
     if (video_frame->layout()) delete video_frame->layout();
+    // fast start/stop causes breakage
+    portable::sleep(1000);
     camera.stop();
 }