Merge working calibration to master

applications/gui2/src/views/calibration/extrinsicview.cpp

@@ -215,6 +215,7 @@ ExtrinsicCalibrationView::ControlWindow::ControlWindow(nanogui::Widget* parent,
 	bapply_->setFlags(nanogui::Button::Flags::ToggleButton);
 	bapply_->setPushed(view_->rectify());
 	bapply_->setChangeCallback([button = bapply_, view = view_](bool v){
+		view->setMode(Mode::VIDEO); // stop capture
 		view->setRectify(v);
 	});