'Load the :class:`VideoTrack` from an :class:`~enzyme.parsers.ebml.Element`
:param element: the Track element with :data:`VIDEO_TRACK` TrackType
:type element: :class:`~enzyme.parsers.ebml.Element`'

@classmethod
def fromelement(cls, element):

    videotrack = super(VideoTrack, cls).fromelement(element)
    videotrack.width = element['Video'].get('PixelWidth', 0)
    videotrack.height = element['Video'].get('PixelHeight', 0)
    videotrack.interlaced = bool(element['Video'].get('FlagInterlaced', False))
    videotrack.stereo_mode = element['Video'].get('StereoMode')
    videotrack.crop = {}
    if ('PixelCropTop' in element['Video']):
        videotrack.crop['top'] = element['Video']['PixelCropTop']
    if ('PixelCropBottom' in element['Video']):
        videotrack.crop['bottom'] = element['Video']['PixelCropBottom']
    if ('PixelCropLeft' in element['Video']):
        videotrack.crop['left'] = element['Video']['PixelCropLeft']
    if ('PixelCropRight' in element['Video']):
        videotrack.crop['right'] = element['Video']['PixelCropRight']
    videotrack.display_width = element['Video'].get('DisplayWidth')
    videotrack.display_height = element['Video'].get('DisplayHeight')
    videotrack.display_unit = element['Video'].get('DisplayUnit')
    videotrack.aspect_ratio_type = element['Video'].get('AspectRatioType')
    return videotrack
