From fda9c90a547a88861d167a1c37beb40bd457018c Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Tue, 18 Oct 2016 18:15:38 +0200
Subject: tracker/pt: don't delay camera stop artificially

If the filter crashes on quick stop/start it's not our fault.
---
 tracker-aruco/ftnoir_tracker_aruco.cpp | 6 ------
 tracker-pt/camera.cpp                  | 4 ----
 tracker-pt/ftnoir_tracker_pt.cpp       | 2 --
 3 files changed, 12 deletions(-)

diff --git a/tracker-aruco/ftnoir_tracker_aruco.cpp b/tracker-aruco/ftnoir_tracker_aruco.cpp
index 24923ede..a36fdd9f 100644
--- a/tracker-aruco/ftnoir_tracker_aruco.cpp
+++ b/tracker-aruco/ftnoir_tracker_aruco.cpp
@@ -8,7 +8,6 @@
 #include "ftnoir_tracker_aruco.h"
 #include "api/plugin-api.hpp"
 #include "compat/camera-names.hpp"
-#include "compat/sleep.hpp"
 #include "cv/video-property-page.hpp"
 
 #include <opencv2/core.hpp>
@@ -66,8 +65,6 @@ Tracker::~Tracker()
         delete videoWidget;
     if(layout)
         delete layout;
-    // fast start/stop causes breakage
-    portable::sleep(1000);
     camera.release();
 }
 
@@ -390,9 +387,6 @@ fail:
         if (frame.rows > 0)
             videoWidget->update_image(frame);
     }
-
-    // give opencv time to exit camera threads, etc.
-    portable::sleep(500);
 }
 
 void Tracker::data(double *data)
diff --git a/tracker-pt/camera.cpp b/tracker-pt/camera.cpp
index 94a9d314..f2fdb283 100644
--- a/tracker-pt/camera.cpp
+++ b/tracker-pt/camera.cpp
@@ -6,7 +6,6 @@
  */
 
 #include "camera.h"
-#include "compat/sleep.hpp"
 #include "compat/camera-names.hpp"
 #include <string>
 #include <QDebug>
@@ -109,9 +108,6 @@ void CVCamera::stop()
         }
         delete cap;
         cap = nullptr;
-        // give opencv time to exit camera threads, etc.
-        if (opened)
-            portable::sleep(500);
         qDebug() << "pt camera: stopped";
     }
 }
diff --git a/tracker-pt/ftnoir_tracker_pt.cpp b/tracker-pt/ftnoir_tracker_pt.cpp
index ef6058db..231a56cd 100644
--- a/tracker-pt/ftnoir_tracker_pt.cpp
+++ b/tracker-pt/ftnoir_tracker_pt.cpp
@@ -13,7 +13,6 @@
 #include <QFile>
 #include <QCoreApplication>
 #include "compat/camera-names.hpp"
-#include "compat/sleep.hpp"
 #include <functional>
 
 //#define PT_PERF_LOG	//log performance
@@ -41,7 +40,6 @@ Tracker_PT::~Tracker_PT()
         if (video_frame->layout()) delete video_frame->layout();
     }
     // fast start/stop causes breakage
-    portable::sleep(1000);
     camera.stop();
 }
 
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