This userscipt is not compatible with Greasemonkey v4.0+, try Violentmoneky or Tampermonkey.
For Windows users, recommend to install shinchiro's mpv builds.
This build include
youtube-dlboth, and have a script to update these.
After install this build, remember run
mpvand download latest
handler-install.batto register protocol handler
Open supported sites and click left-bottom mpv icon.
youtube-dl is supported too many sites , I cannot add all of these sites to
@match at onetime.
If you need support for some sites, welcome to PR or create a Issues.
youtube-dl supported sites only.