def METHOD_NAME(request, channels_first):
    """
    Video fixtures of shape NFHWC and NCFHW.
    """
    channels = request.param
    if channels_first:
        data_shape = (2, 2, channels, 12, 8)
    else:
        data_shape = (2, 2, 12, 8, channels)
    return (255 * np.ones(data_shape)).astype(ART_NUMPY_DTYPE)