Streams# class hs.Stream(iter, header)# Stream type __iter__()# Implement iter(self). __next__()# Implement next(self). get_frame()# Get a single frame from the stream. Returns: A tuple containing the frame index and the frame data as a 2D Numpy array. Return type: tuple[FrameMeta, numpy.ndarray] meta()# stop()# Stop the stream. class hs.FrameMeta# Frame metadata. dropped# Whether the original frame was dropped and replaced with a black frame. seq# Frame sequence number. timestamp# Frame timestamp in seconds. Monotonically increasing.