Remove data race between UI and tracker thread

2 files changed, 5 insertions, 0 deletions

diff --git a/facetracknoir/tracker.cpp b/facetracknoir/tracker.cpp
index e34bf25e..93b09792 100644
--- a/facetracknoir/tracker.cpp
+++ b/facetracknoir/tracker.cpp
@@ -119,6 +119,8 @@ void Tracker::run() {
 	{

         if (should_quit)

             break;

+        

+        QMutexLocker foo(&mtx);

 

         for (int i = 0; i < 6; i++)

             newpose[i] = 0;

@@ -214,6 +216,7 @@ void Tracker::run() {
 // Get the raw headpose, so it can be displayed.

 //

 void Tracker::getHeadPose( double *data ) {

+    QMutexLocker foo(&mtx);

     for (int i = 0; i < 6; i++)

     {

         data[i] = mainApp->axis(i).headPos;

@@ -224,6 +227,7 @@ void Tracker::getHeadPose( double *data ) {
 // Get the output-headpose, so it can be displayed.

 //

 void Tracker::getOutputHeadPose( double *data ) {

+    QMutexLocker foo(&mtx);

     for (int i = 0; i < 6; i++)

         data[i] = output_camera.axes[i];

 }

diff --git a/facetracknoir/tracker.h b/facetracknoir/tracker.h
index de894cf5..f452395d 100644
--- a/facetracknoir/tracker.h
+++ b/facetracknoir/tracker.h
@@ -109,6 +109,7 @@ class Tracker : public QThread {
 

 private:

     FaceTrackNoIR *mainApp;

+    QMutex mtx;

 

 protected:

 	// qthread override run method