Absolutely you’re likely talking about this right?

https://github.com/Zren/mpv-osc-tethys

With thumbfast installed too.

Personally I use a fork of ModernX:

https://github.com/zydezu/ModernX

MPV is crazy. Got a plugin that let’s me clip videos very easily, one that let’s me pick stream quality for when I use MPV to watch twitch videos, you can even get riscord rich presence if you’re into that thing.

Here’s the awesome page:

https://github.com/stax76/awesome-mpv?tab=readme-ov-file#on-screen-controller

Edit: and the official list linked from their site:

https://github.com/mpv-player/mpv/wiki/User-Scripts

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Yeah it’s called an osc (on screen controller)

Is there one that looks exactly like this? Probably not. But if you know Lua this could be created.

Hell, IINA is made with MPV as a base