constructor(conf = { list: [] }) {
    super({ type: 'videoalbum', ...conf });

    this.list = conf.list || [];
    this.ccommand = FFmpegUtil.createCommand();
  }
FFVideoAlbum - A Videos Album component that supports multiple switching animation effects

####Example:

    const album = new FFVideoAlbum({
       list: [v01, v01, v01, v01],
       x: 100,
       y: 100,
       width: 500,
       height: 300
   });


@class