nixos-configs/devices/binto/modules/gpu-replay.nix

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{
pkgs,
config,
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lib,
...
}: let
gsr = pkgs.gpu-screen-recorder.overrideAttrs (o: {
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src = pkgs.fetchurl {
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url = "https://dec05eba.com/snapshot/gpu-screen-recorder.git.r444.02ee8b8.tar.gz";
hash = "sha256-RkHg2OpgaFrKhLa+sa6IMt0j/3wZ6OehSKmD/M63S5Q=";
};
postPatch = "";
installPhase = ''
strip gsr-kms-server
strip gpu-screen-recorder
install -Dm755 "gsr-kms-server" "$out/bin/gsr-kms-server"
install -Dm755 "gpu-screen-recorder" "$out/bin/gpu-screen-recorder"
#install -Dm644 "extra/gpu-screen-recorder.service" "$out/lib/systemd/user/gpu-screen-recorder.service"
wrapProgram $out/bin/gpu-screen-recorder --prefix LD_LIBRARY_PATH : "${lib.makeLibraryPath [
pkgs.addOpenGLRunpath.driverLink
pkgs.libglvnd
]}"
'';
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});
in {
environment.systemPackages = with pkgs; [
pulseaudio # for getting audio sink
gsr
(writeShellScriptBin "gpu-save-replay" ''
exec ${pkgs.procps}/bin/pkill --signal SIGUSR1 -f gpu-screen-recorder
'')
];
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# Allow CUDA on boot
boot.kernelModules = ["nvidia-uvm"];
security.wrappers = {
gpu-screen-recorder = {
owner = "root";
group = "video";
capabilities = "cap_sys_nice+ep";
source = "${gsr}/bin/gpu-screen-recorder";
};
gsr-kms-server = {
owner = "root";
group = "video";
capabilities = "cap_sys_admin+ep";
source = "${gsr}/bin/gsr-kms-server";
};
};
home-manager.users.${config.vars.user} = {
# TODO: add mic sound
xdg.configFile."gsr.sh" = {
executable = true;
text = ''
export WINDOW=DP-5
export CONTAINER=mkv
export QUALITY=very_high
export CODEC=auto
export AUDIO_CODEC=aac
export FRAMERATE=60
export REPLAYDURATION=1200
export OUTPUTDIR=/home/matt/Videos/Replay
export MAKEFOLDERS=yes
# export ADDITIONAL_ARGS=
# Disable compositor in X11 for best performance
exec /bin/sh -c 'AUDIO="''${AUDIO_DEVICE:-$(pactl get-default-sink).monitor}"; gpu-screen-recorder -v no -w $WINDOW -c $CONTAINER -q $QUALITY -k $CODEC -ac $AUDIO_CODEC -a "$AUDIO" -f $FRAMERATE -r $REPLAYDURATION -o "$OUTPUTDIR" -mf $MAKEFOLDERS $ADDITIONAL_ARGS'
'';
};
};
}