MPV - Software

mpv --hwdec=no {{filename}}

mpv - ArchWiki

How to disable Hardware Encoding Permentantly

mkdir -p ~/.config/mpv
echo "hwdec=no" >> ~/.config/mpv/mpv.conf

Screenshot Shortcut is s

• mpv keyboard shortcuts ‒ DefKey
• How can I change the default screenshot directory? : mpv
• mpv.io

Playback Faster

[ and ]
       Decrease/increase current playback speed by 10%.

{ and }
       Halve/double current playback speed.

BACKSPACE
       Reset playback speed to normal.

• How can I change playback speed of mpv video player? - Ask Ubuntu