files
        clip_length_in_frames (int): size of a clip in number of frames
        frames_between_clips (int): step (in frames) between each clip
        frame_rate (int, optional): if specified, it will resample the video
            so that it has `frame_rate`, and then the clips will be defined
            on the resampled video
        num_workers (int): how many subprocesses to use for data loading.
            0 means that the data will be loaded in the main process. (default: 0)
        output_format (str): The format of the output video tensors. Can be either "THWC" (default) or "TCHW".
    