setVideoElement = function () {
      that.$video = $video;
      that.video = $video[0];
    }
@param {Object} options
@param {String|Array<String>|Array<{{src: String, type: String?}}>} options.url
@param {Boolean} options.loop=false
@param {Boolean?} options.mute=true
@param {String?} options.poster
loop, mute, poster