work on sound broadcasting infra

home/bluetooth/bluetooth.nix

@@ -1,6 +1,4 @@
-{ config, lib, ... }:
+{ config, lib, ... }: {
-
-{
   services.blueman-applet.enable = true;
   services.mpris-proxy.enable = true;
 }

hosts/hetzner-vm/services/mpd.nix

@@ -1,12 +1,21 @@
-{ pkgs, lib, ... }: {
+{ pkgs, lib, tree, ... }: {
-  environment.systemPackages = with pkgs; [ mpc_cli ];
+  imports = with tree; [
+    # systemwide pulseaudio w/ recv native localhost
+    # to broadcast to all speakers over rtp
+    profiles.sound.pulseaudio.pulse-systemwide
+    profiles.sound.pulseaudio.pulse-recv-native-localhost
+  ];
 
-  sound.enable = true;
   hardware.pulseaudio = {
-    systemWide = true;
+    extraConfig = ''
-    enable = true;
+      # laptop
+      load-module module-null-sink sink_name=rtp-lappy sink_properties="device.description='Laptop Output'"
+      load-module module-rtp-send source=rtp-lappy.monitor destination_ip=100.115.10.34
+    '';
   };
 
+  environment.systemPackages = with pkgs; [ mpc_cli ];
+
   services.mpd = {
     enable = true;
     network.listenAddress = "0.0.0.0";
@@ -33,12 +42,14 @@
       }
       audio_output {
         type "pulse"
-        name "Out"
+        name "Lappy Out"
-        server "lappy.tailscale-internal.genderfucked.monster"
+        target "rtp-lappy"
+        server "127.0.0.1"
       }
     '';
   };
 
+  systemd.services.mpd.serviceConfig.After = ["pulseaudio.service"];
   systemd.services.mpd.serviceConfig.StateDirectory = [ "/mpd" ];
 
   services.nginx.virtualHosts."stream.owo.monster" = {

hosts/lappy/lappy.nix

@@ -18,7 +18,7 @@
     profiles.connectivity.network_manager
     profiles.connectivity.ios
 
-    profiles.sound.pulseaudio
+    profiles.sound.pulseaudio.pulse
 
     profiles.gui
     profiles.gui.environments.sway

hosts/lappy/profiles/mpd.nix

@@ -1,12 +1,10 @@
 { pkgs, tree, ... }: {
-  imports = [ ./mpd-music-sync.nix ];
+  imports = [ ./mpd-music-sync.nix ] ++ (with tree; [
+    profiles.sound.pulseaudio.pulse-recv-native-localhost
+    profiles.sound.pulseaudio.pulse-recv-rtp
+  ]);
 
-  hardware.pulseaudio = {
+  environment.systemPackages = with pkgs; [ mpc_cli roc-toolkit ];
-    extraConfig =
-      "load-module module-native-protocol-tcp auth-anonymous=1 auth-ip-acl=127.0.0.1;100.64.0.0/8";
-  };
-
-  environment.systemPackages = with pkgs; [ mpc_cli ];
 
   systemd.tmpfiles.rules = [ 
     "d /var/lib/mpd 0755 mpd mpd -"

outputs.nix

@@ -10,6 +10,7 @@ let
       "hosts/*/profiles".functor.enable = true;
       "profiles/*".functor.enable = true;
       "profiles/sound/*".functor.enable = true;
+      "profiles/sound/pulseaudio/*".functor.enable = true;
       "profiles/connectivity/*".functor.enable = true;
       "profiles/gaming/*".functor.enable = true;
       "profiles/gui/environments/*".functor.enable = true;

profiles/sound/pulseaudio/default.nix

@@ -1,12 +0,0 @@
-{ config, pkgs, ... }: {
-  sound.enable = true;
-  nixpkgs.config.pulseaudio = true;
-  hardware.pulseaudio = {
-    enable = true;
-    #support32Bit = true;
-    extraModules = with pkgs; [ pkgs.pulseaudio-modules-bt ];
-    package = pkgs.pulseaudioFull;
-    extraConfig = "\n      load-module module-switch-on-connect\n    ";
-  };
-  environment.systemPackages = with pkgs; [ pavucontrol ];
-}

profiles/sound/pulseaudio/pulse-bluetooth.nix

@@ -0,0 +1,11 @@
+{ pkgs, tree, lib, ... }: {
+  imports = with tree; [
+    profiles.connectivity.bluetooth
+  ];
+
+  hardware.pulseaudio = {
+    extraModules = with pkgs; [ pkgs.pulseaudio-modules-bt ];
+    package = lib.mkForce pkgs.pulseaudioFull;
+    extraConfig = "load-module module-switch-on-connect";
+  };
+}

profiles/sound/pulseaudio/pulse-recv-native-localhost.nix

@@ -0,0 +1,7 @@
+{ ... }: {
+  hardware.pulseaudio = {
+    extraConfig = ''
+      load-module module-native-protocol-tcp auth-anonymous=1 auth-ip-acl=127.0.0.1;
+    '';
+  };
+}

profiles/sound/pulseaudio/pulse-recv-rtp.nix

@@ -0,0 +1,7 @@
+{ ... }: {
+  hardware.pulseaudio = {
+    extraConfig = ''
+      load-module module-rtp-recv latency_msec=50 sap_address=0.0.0.0
+    '';
+  };
+}

profiles/sound/pulseaudio/pulse-systemwide.nix

@@ -0,0 +1,7 @@
+{tree, ...}: {
+  imports = with tree; [ profiles.sound.pulseaudio.pulse ];
+  hardware.pulseaudio = {
+    systemWide = true;
+    enable = true;
+  };
+}

profiles/sound/pulseaudio/pulse.nix

@@ -0,0 +1,7 @@
+{ config, pkgs, ... }: {
+  sound.enable = true;
+  nixpkgs.config.pulseaudio = true;
+  hardware.pulseaudio = {
+    enable = true;
+  };
+}