170 lines
4.4 KiB
Nix
170 lines
4.4 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
|
|
ladspaPath = "${pkgs.ladspaPlugins}/lib/ladspa";
|
|
|
|
jackScript =
|
|
pkgs.writeShellScriptBin "jack" (lib.fileContents ../../assets/jack.sh);
|
|
|
|
queueElement = {
|
|
options = {
|
|
plugin = mkOption {
|
|
type = with types; str;
|
|
description = "file name without suffix of the plugin";
|
|
};
|
|
label = mkOption {
|
|
type = with types; str;
|
|
description = "label of the queue element (needs to be correct)";
|
|
};
|
|
control = mkOption {
|
|
type = with types; listOf str;
|
|
description = "parameter of plugin";
|
|
};
|
|
};
|
|
};
|
|
|
|
sinkElement = {
|
|
options = {
|
|
name = mkOption {
|
|
type = with types; str;
|
|
description = "name of the sink";
|
|
};
|
|
queue = mkOption {
|
|
type = with types; listOf (submodule queueElement);
|
|
description = "queues";
|
|
};
|
|
};
|
|
};
|
|
|
|
cfg = config.system.custom.audio;
|
|
|
|
in {
|
|
|
|
options.system.custom.audio = {
|
|
enable = mkEnableOption "use PluseAudio";
|
|
sinks = mkOption {
|
|
type = with types; listOf (submodule sinkElement);
|
|
description = "list of sinks";
|
|
};
|
|
};
|
|
|
|
config = mkIf cfg.enable {
|
|
|
|
# add virtual midi module
|
|
# -----------------------
|
|
#boot = {
|
|
# # to route midi signals
|
|
# # between bitwig and vcvrack
|
|
# kernelModules = [ "snd_virmidi" ];
|
|
# # index=-2 prevents from beeing recognised as the default
|
|
# # audio device
|
|
# # midi_devs limit the number of midi devices.
|
|
# extraModprobeConfig = "options snd-virmidi index=-2 midi_devs=1";
|
|
#};
|
|
|
|
# LADSPA
|
|
# ------
|
|
programs.bash.interactiveShellInit = # sh
|
|
''
|
|
# set ladspa library path
|
|
# about testing the plugins check analyseplugin command
|
|
export LADSPA_PATH=${ladspaPath}
|
|
'';
|
|
programs.zsh.interactiveShellInit = # sh
|
|
''
|
|
# set ladspa library path
|
|
# about testing the plugins check analyseplugin command
|
|
export LADSPA_PATH=${ladspaPath}
|
|
'';
|
|
|
|
# PulseAudio
|
|
# ----------
|
|
|
|
# because of systemWide ensure main user is in audio group
|
|
system.custom.mainUser.extraGroups = [ "audio" ];
|
|
|
|
#services.pipewire = {
|
|
# enable = true;
|
|
# alsa.enable = true;
|
|
# jack.enable = true;
|
|
# media-session.enable = true;
|
|
# pulse.enable = true;
|
|
#};
|
|
|
|
hardware.pulseaudio = {
|
|
enable = true;
|
|
package = pkgs.pulseaudioFull;
|
|
|
|
# all in audio group can do audio
|
|
systemWide = true;
|
|
|
|
extraConfig = ''
|
|
|
|
# automatically switch to newly-connected devices
|
|
load-module module-switch-on-connect
|
|
|
|
# http://plugin.org.uk/ladspa-swh/docs/ladspa-swh.html
|
|
# https://gavv.github.io/articles/pulseaudio-under-the-hood/#ladspa-plugin-sink
|
|
${builtins.toString (flip map cfg.sinks (sink: ''
|
|
# ladspa sink : ${sink.name}
|
|
# -------------
|
|
${builtins.toString (flip imap0 (reverseList sink.queue)
|
|
(index: queua:
|
|
let
|
|
sinkName = suffix: "${sink.name}${builtins.toString suffix}";
|
|
sinkValue = "sink_name=${sinkName index}";
|
|
sinkDescription = "sink_properties=device.description=${
|
|
sinkName index
|
|
}-${queua.label}";
|
|
masterValue = if (index == 0) then
|
|
""
|
|
else
|
|
"sink_master=${sinkName (index - 1)}";
|
|
pluginValue = "plugin=${ladspaPath}/${queua.plugin}";
|
|
labelValue = "label=${queua.label}";
|
|
controlValue = "control=${
|
|
builtins.toString
|
|
(foldl (a: b: "${a},${b}") (head queua.control)
|
|
(tail queua.control))
|
|
}";
|
|
in ''
|
|
# ${sinkName index} : ${queua.label}
|
|
load-module module-ladspa-sink ${sinkValue} ${sinkDescription} ${masterValue} ${pluginValue} ${labelValue} ${controlValue}
|
|
''))}
|
|
''))}
|
|
'';
|
|
};
|
|
|
|
# Packages needed
|
|
# ---------------
|
|
environment.systemPackages = with pkgs; [
|
|
|
|
# Music making
|
|
# ------------
|
|
#jackScript
|
|
#jack2Full
|
|
#patchage
|
|
#zynaddsubfx
|
|
#qjackctl
|
|
|
|
alsaUtils
|
|
|
|
# LADSPA
|
|
# ------
|
|
ladspaPlugins
|
|
ladspa-sdk
|
|
|
|
# PulseAudio control
|
|
# ------------------
|
|
pavucontrol
|
|
lxqt.pavucontrol-qt
|
|
|
|
];
|
|
|
|
};
|
|
|
|
}
|
|
|