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authorgnidorah <gnidorah@users.noreply.github.com>2019-06-09 12:40:22 +0300
committerAristid Breitkreuz <aristidb@gmail.com>2019-06-09 11:40:22 +0200
commitfe01afae42ee4c7ff41450e961700a36d9541fc8 (patch)
treeabafbd23c10298e2e11af288e0c3b11652b5e0a0 /nixos/modules/services
parentf1c31bdd62b3d1277d603d0b801040855f4711e0 (diff)
nixos/jack: option to adjust dmix buffering (#62854)
Diffstat (limited to 'nixos/modules/services')
-rw-r--r--nixos/modules/services/audio/jack.nix15
1 files changed, 15 insertions, 0 deletions
diff --git a/nixos/modules/services/audio/jack.nix b/nixos/modules/services/audio/jack.nix
index 1364abd40447..aa3351f401af 100644
--- a/nixos/modules/services/audio/jack.nix
+++ b/nixos/modules/services/audio/jack.nix
@@ -98,6 +98,20 @@ in {
'';
};
+ dmixConfig = mkOption {
+ type = types.lines;
+ default = "";
+ example = ''
+ period_size 2048
+ periods 2
+ '';
+ description = ''
+ For music production software that still doesn't support JACK natively you
+ would like to put buffer/period adjustments here
+ to decrease dmix device latency.
+ '';
+ };
+
session = mkOption {
type = types.lines;
description = ''
@@ -150,6 +164,7 @@ in {
ipc_key 219345
slave {
pcm loophw00
+ ${cfg.loopback.dmixConfig}
}
}
pcm.asoftvol {