//mpv
Win + R > %appdata% > mpv > mpv.conf

# Video
profile=gpu-hq
scale=ewa_lanczossharp
cscale=ewa_lanczossharp
video-sync=display-resample
interpolation
tscale=oversample
deband=yes
hwdec=no

# Audio
audio-pitch-correction=yes

# Screenshots
screenshot-format=jpg
screenshot-jpeg-quality=100
screenshot-tag-colorspace=yes
screenshot-high-bit-depth=yes
screenshot-jpeg-source-chroma=yes

# GIF
[extension.gif]
loop-file=inf

# No Screensaver
stop-screensaver

https://github.com/mpv-player/mpv/blob/master/etc/input.conf
t,r - moving subtitles up or down
BackSpace - Setting playback speed to 1
[] / {} - fast forwarding the video
Win + R > %appdata% > mpv > input.conf

RIGHT add volume 5
LEFT add volume -5
UP add sub-scale +0.1
DOWN add sub-scale -0.1
[ multiply speed 0.5
] multiply speed 2.0
{ multiply speed 0.9091
} multiply speed 1.1
BS set speed 1.0
r add sub-pos -1
t add sub-pos +1
k seek -5
h cycle audio