My NixOS and Home Manager configurations
fix pipewire stuff
+5
-106
+5
-2
modules/gaming.nix
+5
-2
modules/gaming.nix
···
57
57
nixos =
58
58
{ pkgs, ... }:
59
59
{
60
-
imports = [ inputs.nix-gaming.nixosModules.platformOptimizations ];
60
+
imports = [
61
+
inputs.nix-gaming.nixosModules.platformOptimizations
62
+
inputs.nix-gaming.nixosModules.pipewireLowLatency
63
+
];
61
64
hardware.opentabletdriver.enable = true;
62
65
services = {
63
66
input-remapper.enable = true;
64
-
system76-scheduler.enable = true;
67
+
pipewire.lowLatency.enable = true;
65
68
};
66
69
programs = {
67
70
steam = {
-5
modules/hosts/hades/default.nix
-5
modules/hosts/hades/default.nix
···
34
34
ai._.ollama
35
35
apps._.radicle
36
36
apps._.zsa
37
-
# (pipewire._.lowlatency {
38
-
# quantum = 48000;
39
-
# rate = 128;
40
-
# })
41
37
];
42
38
43
39
nixos =
···
50
46
nixos-hardware.nixosModules.common-cpu-amd
51
47
nixos-hardware.nixosModules.common-gpu-amd
52
48
nixos-hardware.nixosModules.common-pc-ssd
53
-
# nix-gaming.nixosModules.pipewireLowLatency
54
49
maccel.nixosModules.default
55
50
];
56
51
nixpkgs.config.rocmSupport = true;
-99
modules/pwlowlatency.nix
-99
modules/pwlowlatency.nix
···
1
-
{
2
-
styx.pipewire._.lowlatency =
3
-
{
4
-
quantum ? 44100,
5
-
rate ? 32,
6
-
...
7
-
}:
8
-
{
9
-
nixos =
10
-
{ pkgs, lib, ... }:
11
-
let
12
-
qr = "${toString quantum}/${toString rate}";
13
-
inherit (lib.generators) toLua;
14
-
in
15
-
{
16
-
services.pipewire = {
17
-
# make sure PipeWire is enabled if the module is imported
18
-
# and low latency is enabledd
19
-
enable = true;
20
-
21
-
# write extra config
22
-
extraConfig = {
23
-
pipewire."99-lowlatency" = {
24
-
"context.properties" = {
25
-
"default.clock.min-quantum" = quantum;
26
-
};
27
-
28
-
"module.rt.args" = {
29
-
"nice.level" = -15;
30
-
"rt.prio" = 88;
31
-
"rt.time.soft" = 200000;
32
-
"rt.time.hard" = 200000;
33
-
};
34
-
};
35
-
36
-
pipewire-pulse."99-lowlatency" = {
37
-
"pulse.properties" = {
38
-
"server.address" = [ "unix:native" ];
39
-
"pulse.min.req" = qr;
40
-
"pulse.min.quantum" = qr;
41
-
"pulse.min.frag" = qr;
42
-
};
43
-
};
44
-
45
-
client."99-lowlatency" = {
46
-
"stream.properties" = {
47
-
"node.latency" = qr;
48
-
"resample.quality" = 1;
49
-
};
50
-
};
51
-
};
52
-
53
-
# ensure WirePlumber is enabled explicitly (defaults to true while PW is enabled)
54
-
# and write extra config to ship low latency rules for alsa
55
-
wireplumber = {
56
-
enable = true;
57
-
configPackages =
58
-
let
59
-
# generate "matches" section of the rules
60
-
matches =
61
-
toLua
62
-
{
63
-
multiline = false; # looks better while inline
64
-
indent = false;
65
-
}
66
-
[
67
-
[
68
-
[
69
-
"node.name"
70
-
"matches"
71
-
"alsa_output.*"
72
-
]
73
-
]
74
-
]; # nested lists are to produce `{{{ }}}` in the output
75
-
76
-
# generate "apply_properties" section of the rules
77
-
apply_properties = toLua { } {
78
-
"audio.format" = "S32LE";
79
-
"audio.rate" = rate * 2;
80
-
"api.alsa.period-size" = 2;
81
-
};
82
-
in
83
-
[
84
-
(pkgs.writeTextDir "share/lowlatency.lua.d/99-alsa-lowlatency.lua" ''
85
-
-- Generated by nix-gaming
86
-
alsa_monitor.rules = {
87
-
{
88
-
matches = ${matches};
89
-
apply_properties = ${apply_properties};
90
-
}
91
-
}
92
-
'')
93
-
];
94
-
};
95
-
};
96
-
};
97
-
};
98
-
}
99
-