core.py 文件源码

def get_frame_number(self, stream):
        """Retrieve the frame number for specific stream.

        Args:
            stream (int): value from :class:`pyrealsense.constants.rs_stream`.

        Returns:
            (double): frame number.
        """
        lrs.rs_get_frame_number.restype = ctypes.c_ulonglong
        e = ctypes.POINTER(rs_error)()
        return lrs.rs_get_frame_number(self.dev, stream, ctypes.byref(e))