tracker/{pt,aruco}: don't allow opencv unwind on assert

It's gonna purposefully dereference a zero pointer to
cause a crash without unwinding.

2 files changed, 3 insertions, 0 deletions

diff --git a/tracker-aruco/ftnoir_tracker_aruco.cpp b/tracker-aruco/ftnoir_tracker_aruco.cpp
index 0090aa12..f2a2e3b8 100644
--- a/tracker-aruco/ftnoir_tracker_aruco.cpp
+++ b/tracker-aruco/ftnoir_tracker_aruco.cpp
@@ -54,6 +54,7 @@ aruco_tracker::aruco_tracker() :
     adaptive_size_pos(0),
     use_otsu(false)
 {
+    cv::setBreakOnError(true);
     // param 2 ignored for Otsu thresholding. it's required to use our fork of Aruco.
     set_detector_params();
 }
diff --git a/tracker-pt/ftnoir_tracker_pt.cpp b/tracker-pt/ftnoir_tracker_pt.cpp
index 0b012a5e..c49f7668 100644
--- a/tracker-pt/ftnoir_tracker_pt.cpp
+++ b/tracker-pt/ftnoir_tracker_pt.cpp
@@ -23,6 +23,8 @@ Tracker_PT::Tracker_PT() :
       commands(0),
       ever_success(false)
 {
+    cv::setBreakOnError(true);
+
     connect(s.b.get(), SIGNAL(saving()), this, SLOT(maybe_reopen_camera()), Qt::DirectConnection);
     connect(&s.fov, SIGNAL(valueChanged(int)), this, SLOT(set_fov(int)), Qt::DirectConnection);
     set_fov(s.fov);