Installation
install required pacakges
mpv-git svp vapoursynth
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Close everything and run SVP to profile performance; when it’s done, it’ll just tersely close
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Make mpv use SVP! Add an SVP profile and a preset for to ~/.config/mpv/mpv.conf (see 📄 below)
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Verify it works by opening a file with mpv and add SVP to autostart programs!
~/.config/mpv/mpv.conf
profile=svp # Enable svp by default, here in the "top-level" of mpv.conf
# Keep within screen bounds; if window larger than W%xH% of screen, resize to W%xH%
autofit-larger=100%x100%
[svp] # SVP profile
# Everything below here only applies to this profile until another profile is declared!
input-ipc-server=/tmp/mpvsocket # Receives input from SVP
hr-seek-framedrop=no # Fixes audio desync
resume-playback=no # Not compatible with SVP
# These are are for hardware (GPU?) decoding.
# According to the Arch wiki,
# "hardware decoding is discouraged by mpv developers and is not likely to make
# a significant difference in performance."
# Still: slightly better performance for 4K videos if enabled, apparently.
hwdec=auto-copy
hwdec-codecs=all
# Can fix stuttering in some cases, in other cases probably causes it. Try it if you experience stuttering.
#opengl-early-flush=yes
Sources: https://www.reddit.com/r/linux/comments/c9jrzn/getting_svp_to_work_with_mpv_in_linux_manjaro/ https://wiki.archlinux.org/index.php/Mpv#Vapoursynth