def __init__()

in serverless-workflow-examples/serverless-workflow-openvino-quarkus/utils/notebook_utils.py [0:0]

• 25 lines of code
• 8 McCabe index (conditional complexity)

    def __init__(self, source, size=None, flip=False, fps=None, skip_first_frames=0):
        self.__cap = cv2.VideoCapture(source)
        if not self.__cap.isOpened():
            raise RuntimeError(
                f"Cannot open {'camera' if isinstance(source, int) else ''} {source}"
            )
        # skip first N frames
        self.__cap.set(cv2.CAP_PROP_POS_FRAMES, skip_first_frames)
        # fps of input file
        self.__input_fps = self.__cap.get(cv2.CAP_PROP_FPS)
        if self.__input_fps <= 0:
            self.__input_fps = 60
        # target fps given by user
        self.__output_fps = fps if fps is not None else self.__input_fps
        self.__flip = flip
        self.__size = None
        self.__interpolation = None
        if size is not None:
            self.__size = size
            # AREA better for shrinking, LINEAR better for enlarging
            self.__interpolation = (
                cv2.INTER_AREA
                if size[0] < self.__cap.get(cv2.CAP_PROP_FRAME_WIDTH)
                else cv2.INTER_LINEAR
            )
        # first frame
        _, self.__frame = self.__cap.read()
        self.__lock = threading.Lock()
        self.__thread = None
        self.__stop = False