Added trackball support, video scaling option, portrait mode.

时间轨迹球支持，视频缩放选项，肖像模式。

youdao

With the decreases in venture investment, self-dependent profit mode seems to be the only option for those video collected websites.

在风投减少的情况下，自身赢利模式成为视频网站过冬仅有的一床棉被。

youdao

With the decreases in venture investment, self-dependent profit mode seems to be the only option for those video collected websites.

在风投减少的情况下，自身赢利模式成为视频网站过冬仅有的一床棉被。

youdao