pkgs/pipewire-all-bluetooth: A pipewire audio sink that distributes to all Bluetooth speakers

pkgs/pipewire-all-bluetooth/all-bluetooth.conf

@@ -0,0 +1,29 @@
+context.modules = [
+{   name = libpipewire-module-combine-stream
+    args = {
+        combine.mode = sink
+        node.name = "all-bluetooth"
+        node.description = "All Bluetooth devices"
+        combine.latency-compensate = false
+        combine.props = {
+            audio.position = [ FL FR ]
+        }
+        stream.props = {
+        }
+        stream.rules = [
+            {
+                matches = [
+                    {
+                        node.name = "~bluez_output.*"
+                        media.class = "Audio/Sink"
+                    }
+                ]
+                actions = {
+                    create-stream = {
+                    }
+                }
+            }
+        ]
+    }
+}
+]

pkgs/pipewire-all-bluetooth/default.nix

@@ -0,0 +1,9 @@
+{
+runCommand,
+... }:
+
+runCommand "pipewire-all-bluetooth" {} ''
+  mkdir -p $out/share/pipewire/pipewire.conf.d
+
+  cp ${./all-bluetooth.conf} $out/share/pipewire/pipewire.conf.d/all-bluetooth.conf
+''