Unwarping.py 文件源码

def run(self):
        # Clear events
        self._exit.clear()

        # While exit event is not set...
        while not self._exit.is_set() or not self._pause_event.is_set():
            # ...clear new frame event
            self.newframe_event.clear()

            # ... read a frame from the camera
            frame = self._cam.read()[1]

            # ...convert camera image to grayscale
            frame = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)

            # ...remap image into shared memory
            self._currentframe[:] = cv2.remap(frame, self._mapx, self._mapy, cv2.INTER_LINEAR).copy()

            if self._visualize:
                cv2.imshow('Unwarped image', self._currentframe)
                cv2.waitKey(1)

            if self._debug:
                print str(1 / (time.time() - self._oldtime)) + " frames/sec"
                self._oldtime = time.time()

            # Set new frame event
            self.newframe_event.set()

        # If exit event set...
        if self._exit_event.is_set():
            # ...release camera
            self._cam.release()
            # ...close windows
            cv2.destroyAllWindows()