cameraview.cc: prev_frame_id static -> class member

selfdrive/ui/qt/widgets/cameraview.cc

@@ -243,13 +243,12 @@ void CameraViewWidget::paintGL() {
   // }
 
   // Log duplicate/dropped frames
-  static int prev_id = 0;
-  if (frames[frame_idx].first == prev_id) {
+  if (frames[frame_idx].first == prev_frame_id) {
     qInfo() << "Drawing same frame twice" << frames[frame_idx].first;
-  } else if (frames[frame_idx].first != prev_id + 1) {
+  } else if (frames[frame_idx].first != prev_frame_id + 1) {
     qInfo() << "Skipped frame" << frames[frame_idx].first;
   }
-  prev_id = frames[frame_idx].first;
+  prev_frame_id = frames[frame_idx].first;
 
   glViewport(0, 0, width(), height());
   glBindVertexArray(frame_vao);

selfdrive/ui/qt/widgets/cameraview.h

@@ -78,6 +78,7 @@ protected:
 
   std::deque<std::pair<uint32_t, VisionBuf*>> frames;
   uint32_t draw_frame_id = 0;
+  int prev_frame_id = 0;
 
 protected slots:
   void vipcConnected(VisionIpcClient *vipc_client);