lerobot/common/cameras/opencv/camera_opencv.py [387:406]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                with self.frame_lock:
                    self.latest_frame = color_image
                self.new_frame_event.set()

            except DeviceNotConnectedError:
                break
            except Exception as e:
                logger.warning(f"Error reading frame in background thread for {self}: {e}")

    def _start_read_thread(self) -> None:
        """Starts or restarts the background read thread if it's not running."""
        if self.thread is not None and self.thread.is_alive():
            self.thread.join(timeout=0.1)
        if self.stop_event is not None:
            self.stop_event.set()

        self.stop_event = Event()
        self.thread = Thread(target=self._read_loop, args=(), name=f"{self}_read_loop")
        self.thread.daemon = True
        self.thread.start()
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



lerobot/common/cameras/realsense/camera_realsense.py [457:476]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                with self.frame_lock:
                    self.latest_frame = color_image
                self.new_frame_event.set()

            except DeviceNotConnectedError:
                break
            except Exception as e:
                logger.warning(f"Error reading frame in background thread for {self}: {e}")

    def _start_read_thread(self) -> None:
        """Starts or restarts the background read thread if it's not running."""
        if self.thread is not None and self.thread.is_alive():
            self.thread.join(timeout=0.1)
        if self.stop_event is not None:
            self.stop_event.set()

        self.stop_event = Event()
        self.thread = Thread(target=self._read_loop, args=(), name=f"{self}_read_loop")
        self.thread.daemon = True
        self.thread.start()
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -