pipewire: add combined sink on lt-hp-omen

xddxdd · Apr 18, 2024 · d1e74de · d1e74de
1 parent 1b23a6e
commit d1e74de
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Showing 3 changed files with 83 additions and 1 deletion.
diff --git a/hosts/lt-hp-omen/configuration.nix b/hosts/lt-hp-omen/configuration.nix
@@ -16,6 +16,7 @@
     ./hp-keyboard-backlight
     ./nandsim.nix
     # ./nbfc.nix
+    ./pipewire-combined-sink.nix
 
     ../../nixos/optional-apps/clamav.nix
     ../../nixos/optional-apps/glauth.nix

diff --git a/hosts/lt-hp-omen/pipewire-combined-sink.nix b/hosts/lt-hp-omen/pipewire-combined-sink.nix
@@ -0,0 +1,78 @@
+{
+  pkgs,
+  lib,
+  LT,
+  config,
+  utils,
+  inputs,
+  ...
+}@args:
+{
+  config.services.pipewire.configPackages = [
+    (pkgs.writeTextFile {
+      name = "pipewire-combined-sink";
+      text = builtins.toJSON {
+        "context.modules" = [
+          {
+            name = "libpipewire-module-combine-stream";
+            args = {
+              "combine.mode" = "sink";
+              "node.name" = "combine_sink";
+              "node.description" = "Combined Sink";
+              "combine.latency-compensate" = true;
+              "combine.props"."audio.position" = [
+                "FL"
+                "FR"
+              ];
+              "stream.rules" = [
+                # Physical speakers
+                {
+                  matches = [
+                    {
+                      "media.class" = "Audio/Sink";
+                      "node.name" = "alsa_output.pci-0000_00_1f.3-platform-skl_hda_dsp_generic.HiFi__hw_sofhdadsp__sink";
+                    }
+                  ];
+                  actions = {
+                    create-stream = {
+                      "combine.audio.position" = [
+                        "FL"
+                        "FR"
+                      ];
+                      "audio.position" = [
+                        "FL"
+                        "FR"
+                      ];
+                    };
+                  };
+                }
+                # Network receiver
+                {
+                  matches = [
+                    {
+                      "media.class" = "Audio/Sink";
+                      "node.name" = "roc-sink-192.168.0.207";
+                    }
+                  ];
+                  actions = {
+                    create-stream = {
+                      "combine.audio.position" = [
+                        "FL"
+                        "FR"
+                      ];
+                      "audio.position" = [
+                        "FL"
+                        "FR"
+                      ];
+                    };
+                  };
+                }
+              ];
+            };
+          }
+        ];
+      };
+      destination = "/share/pipewire/pipewire.conf.d/combined-sink.conf";
+    })
+  ];
+}
diff --git a/nixos/client-components/pipewire/pipewire-resample-quality.nix b/nixos/client-components/pipewire/pipewire-resample-quality.nix
@@ -14,7 +14,10 @@
         n:
         pkgs.writeTextFile {
           name = "pipewire-${n}-resample-quality";
-          text = builtins.toJSON { "stream.properties"."resample.quality" = 10; };
+          text = builtins.toJSON {
+            "context.properties"."default.clock.min-quantum" = 1024;
+            "stream.properties"."resample.quality" = 10;
+          };
           destination = "/share/pipewire/${n}.conf.d/resample-quality.conf";
         }
       )