checkVideoIsSupport (video) {
    if (!video) {
      return null
    }
    const _tVideo = video && video instanceof window.HTMLVideoElement ? video : (video.canvas ? video.canvas : (video.flyVideo ? video.flyVideo : null))
    if (_tVideo && !(Sniffer.browser === 'safari' && Util.isMSE(_tVideo))) {
      return _tVideo
    }

    const _tagName = _tVideo ? _tVideo.tagName.toLowerCase() : ''
    if (_tagName === 'canvas' || _tagName === 'img') {
      return _tVideo
    }

    return null
  }
Check whether the current video object supports screenshots
@param { Object } video
@returns { DomElement | null }