https://blog.wongcw.com/2018/10/20/linux-macos%e5%92%8cwindows%e6%a1%8c%e9%9d%a2%e7%89%88chrome%e7%8e%b0%e5%b7%b2%e9%bb%98%e8%ae%a4%e5%bc%80%e5%90%af%e8%a7%86%e9%a2%91%e7%94%bb%e4%b8%ad%e7%94%bb%e5%8a%9f%e8%83%bd/
Linux/MacOS和Windows桌面版Chrome现已默认开启视频画中画功能