ui: stop vipc thread before the DriverViewWindow is hidden (#26738)

selfdrive/ui/qt/offroad/driverview.cc

@@ -22,6 +22,7 @@ DriverViewWindow::DriverViewWindow(QWidget* parent) : QWidget(parent) {
 }
 
 void DriverViewWindow::mouseReleaseEvent(QMouseEvent* e) {
+  cameraView->stopVipcThread();
   emit done();
 }
 
@@ -35,7 +36,6 @@ void DriverViewScene::showEvent(QShowEvent* event) {
 }
 
 void DriverViewScene::hideEvent(QHideEvent* event) {
-  // TODO: stop vipc thread ?
   params.putBool("IsDriverViewEnabled", false);
 }
 

selfdrive/ui/qt/widgets/cameraview.h

@@ -35,6 +35,7 @@ public:
   void setFrameId(int frame_id) { draw_frame_id = frame_id; }
   void setStreamType(VisionStreamType type) { requested_stream_type = type; }
   VisionStreamType getStreamType() { return active_stream_type; }
+  void stopVipcThread();
 
 signals:
   void clicked();
@@ -51,7 +52,6 @@ protected:
   void updateCalibration(const mat3 &calib);
   void vipcThread();
   void clearFrames();
-  void stopVipcThread();
 
   bool zoomed_view;
   GLuint frame_vao, frame_vbo, frame_ibo;