1
Files
flake-nixinator/home/modules/audio.nix
2022-08-11 14:35:36 +02:00

197 lines
7.8 KiB
Nix

{ config, nixosConfig, lib, mylib, pkgs, ... }:
with lib;
with mylib.modules;
let
cfg = config.modules.audio;
cfgfp = config.modules.flatpak;
in {
imports = [
./flatpak.nix
];
options.modules.audio = {
enable = mkEnableOpt "Audio module";
# TODO: Group these in categories (like instruments/VSTs or sth)
# TODO: Make it easier to add many yes/no options, similar to the flatpak stuff
# Hosts/Editing
carla.enable = mkEnableOpt "Carla (VST host)";
bitwig.enable = mkEnableOpt "Bitwig (Digital audio workstation)";
tenacity.enable = mkEnableOpt "Tenacity (Audacity fork)";
# Instruments/Plugins
vcvrack.enable = mkEnableOpt "VCV-Rack (Eurorack simulator)";
# vital.enable = mkEnableOpt "Vital (Wavetable synthesizer)"; # Replaced by distrho
distrho.enable = mkEnableOpt "Distrho (Linux VST ports)";
# Misc
faust.enable = mkEnableOpt "Faust (functional DSP language)";
bottles.enable = mkEnableOpt "Bottles (flatpak)";
# TODO: Automatically add the needed paths, depends on the bottle though
# /home/christoph/.var/app/com.usebottles.bottles/data/bottles/bottles/Audio/drive_c/Program Files/Common Files/VST3
# /home/christoph/.var/app/com.usebottles.bottles/data/bottles/bottles/Audio/drive_c/Program Files/VstPlugins
yabridge = {
enable = mkEnableOpt "Yabridge (Windows VST plugin manager)";
autoSync = mkBoolOpt false "Sync yabridge plugins on nixos-rebuild";
};
noisesuppression = {
noisetorch = {
enable = mkEnableOpt "Noisetorch";
autostart = mkBoolOpt false "Autoload Noisetorch suppression";
};
easyeffects = {
enable = mkEnableOpt "EasyEffects";
autostart = mkBoolOpt false "Autoload EasyEffects suppression profile";
};
};
};
config = mkIf cfg.enable {
assertions = [
(mkIf cfg.bottles.enable {
assertion = cfgfp.enable;
message = "Cannot enable Bottles without the flatpak module!";
})
];
# Use builtins.concatLists instead of mkMerge as this is more safe as the type is specified,
# also mkMerge doesn't work in every case as it yields a set
home.packages = with pkgs; builtins.concatLists [
# lib.optional is preferred over mkIf or if...then...else by nix coding standards
# lib.optional wraps its argument in a list, lib.optionals doesn't
# This means that lib.optional can be used for single packages/arguments
# and lib.optionals has to be used when the argument is itself a list
# I use lib.optionals everywhere as I think this is more clear
# Some of these include gamemode as I use that to enable performance governors for CPU/GPU and other stuff
# Enable some default pipewire stuff if pipewire is enabled
(optionals nixosConfig.services.pipewire.enable [ helvum ])
(optionals cfg.carla.enable [ carla gamemode ])
(optionals cfg.bitwig.enable [
# TODO: The override doesn't help, Bitwig pipewire still fails...
# We need to force pipewire into the dependencies so bitwig can access libpipewire
# This will probably get patched directly into nixpkgs in the future
# NOTE: override overrides the function arguments (this part: { stdenv, fetchurl, ... })
# while overrideAttrs overrides the stuff inside mkDerivation { ... }
(bitwig-studio.overrideAttrs (oldAttrs: {
buildInputs = oldAttrs.buildInputs ++ [ pipewire ];
}))
gamemode
# bitwig-studio
])
(optionals cfg.tenacity.enable [ tenacity ])
(optionals cfg.faust.enable [ faust ])
(optionals cfg.yabridge.enable [ yabridge yabridgectl ])
(optionals cfg.noisesuppression.noisetorch.enable [ noisetorch ])
(optionals cfg.vcvrack.enable [ vcv-rack ])
# (optionals cfg.vital.enable [ vital-synth ]) # Replaced by distrho
(optionals cfg.distrho.enable [ distrho ])
];
services.easyeffects = mkIf cfg.noisesuppression.easyeffects.enable {
enable = true;
preset = optionalString cfg.noisesuppression.easyeffects.autostart "noise_supression";
};
# NOTE: This desktop entry is created in /etc/profiles/per-user/christoph/share/applications
# This location is part of XDG_DATA_DIRS
xdg.desktopEntries.guitar = mkIf cfg.carla.enable {
name = "Guitar Amp (Carla)";
genericName = "Guitar Amp Simulation";
icon = "carla";
exec = "env PIPEWIRE_LATENCY=256/48000 gamemoderun carla ${config.home.homeDirectory}/.config/carla/GuitarDefault.carxp";
terminal = false;
categories = [ "Music" "Audio" ];
};
xdg.desktopEntries.bitwig-low-latency = mkIf cfg.bitwig.enable {
name = "Bitwig Studio (Low Latency)";
genericName = "Digital Audio Workstation";
icon = "bitwig-studio";
exec = "env PIPEWIRE_LATENCY=256/48000 gamemoderun bitwig-studio";
terminal = false;
categories = [ "Music" "Audio" ];
};
# TODO: After pipewire.target or partof pipewire.service?
systemd.user.services = {
autostart-noisetorch =
(mkIf (cfg.noisesuppression.noisetorch.enable && cfg.noisesuppression.noisetorch.autostart) {
Unit = {
Type = "oneshot";
Description = "Noisetorch noise suppression";
PartOf = [ "graphical-session.target" ];
After = [ "graphical-session.target" ];
};
Service = {
Environment = "PATH=${config.home.profileDirectory}/bin"; # Leads to /etc/profiles/per-user/christoph/bin
ExecStart = "${pkgs.noisetorch}/bin/noisetorch -i";
Restart = "on-failure";
};
Install.WantedBy = [ "graphical-session.target" ];
});
};
# NOTE: Important to not disable this option if another module enables it
modules.flatpak.bottles.enable = mkIf cfg.bottles.enable true;
home.activation = mkMerge [
# The module includes the default carla project with ArchetypePetrucci + ArchetypeGojira
(mkIf cfg.carla.enable {
linkCarlaConfig = hm.dag.entryAfter [ "writeBoundary" ]
(mkLink "${config.home.homeDirectory}/NixFlake/config/carla" "${config.home.homeDirectory}/.config/carla");
})
(mkElse cfg.carla.enable {
unlinkCarlaConfig = hm.dag.entryAfter [ "writeBoundary" ]
(mkUnlink "${config.home.homeDirectory}/.config/carla");
})
# Replaced by distrho
# (mkIf cfg.vital.enable {
# linkVitalVST3 = hm.dag.entryAfter [ "writeBoundary" ]
# (mkLink "${pkgs.vital-synth}/lib/vst3/Vital.vst3" "${config.home.homeDirectory}/.vst3/Vital.vst3");
# })
# (mkElse cfg.vital.enable {
# unlinkVitalVST3 = hm.dag.entryAfter [ "writeBoundary" ]
# (mkUnlink "${config.home.homeDirectory}/.vst3/Vital.vst3");
# })
(mkIf cfg.distrho.enable {
linkDistrhoLV2 = hm.dag.entryAfter [ "writeBoundary" ]
(mkLink "${pkgs.distrho}/lib/lv2" "${config.home.homeDirectory}/.lv2/distrho");
linkDistrhoVST = hm.dag.entryAfter [ "writeBoundary" ]
(mkLink "${pkgs.distrho}/lib/vst" "${config.home.homeDirectory}/.vst/distrho");
linkDistrhoVST3 = hm.dag.entryAfter [ "writeBoundary" ]
(mkLink "${pkgs.distrho}/lib/vst3" "${config.home.homeDirectory}/.vst3/distrho");
})
(mkElse cfg.distrho.enable {
unlinkDistrhoLV2 = hm.dag.entryAfter [ "writeBoundary" ]
(mkUnlink "${config.home.homeDirectory}/.lv2/distrho");
unlinkDistrhoVST = hm.dag.entryAfter [ "writeBoundary" ]
(mkUnlink "${config.home.homeDirectory}/.vst/distrho");
unlinkDistrhoVST3 = hm.dag.entryAfter [ "writeBoundary" ]
(mkUnlink "${config.home.homeDirectory}/.vst3/distrho");
})
(mkIf (cfg.yabridge.enable && cfg.yabridge.autoSync) {
syncYabridge = hm.dag.entryAfter [ "writeBoundary" ] ''
yabridgectl sync
'';
})
];
};
}