源码地址:
https://github.com/videojs/video.js/
设定宽高比
https://docs.videojs.com/tutorial-layout.html
// make a vertical video var player = videojs(‘vid1‘, { aspectRatio: ‘9:16‘ });
video.js
原文：https://www.cnblogs.com/dxh0535/p/11656817.html
