PlayWithMpv
A server to support playing videos with mpv. Currently this project mainly
supports for bilibili.com based on Tampermonkey-script Bilibili-Evolved (version 2.0.8)

Preparation
Install MPV or MPV-lazy
(If you’re newer, strongly recommend MPV-lazy.)Install Tampermonkey-scrip Bilibili-Evolved
Add “下载视频” 组件 in Bilibili-Evolved
Add mpv-output-playlist.js插件 (提取码是gqvp)
( 注意:不是在线仓库的那个MPV插件,目前需要把mpv-output-playlist.js插件下载下来,手动浏览导入进去 )
Install Python3 (>=3.8)
Installation
Just run pip install playwithmpv --user
Usage
open the terminal, run
playwithmpvto start the server.On Bilibili-Evolved:
打开 下载视频
格式选 flv
(如若不可用,先选其他格式,再选回来)输出方式选 MPV播放
若mpv 命令路径已加入环境变量, 默认设置就好,不用更改
Click 开始 and enjoy.

Autostart
BTW
If you are interest in watching bangumi with MPV, could see:
Why use MPV? BTW, I think MPV is a so strong and free tool that can be easily for stream vidoes, user shaders and movement enhacement etc. The last one using SVP4 as movement enhacement, if you config SVP as the article said and make it work. Congratulation, a new world is there.Wooss.