Merge pipewire-alsa subtree

pipewire-alsa/conf/50-pipewire.conf

@@ -0,0 +1,52 @@
+# Add a specific named PipeWire pcm
+
+defaults.pipewire.server "pipewire-0"
+defaults.pipewire.node "-1"
+defaults.pipewire.exclusive false
+
+pcm.pipewire {
+	@args [ SERVER NODE EXCLUSIVE ]
+	@args.SERVER {
+		type string
+		default {
+			@func refer
+			name defaults.pipewire.server
+		}
+	}
+	@args.NODE {
+		type string
+		default {
+			@func refer
+			name defaults.pipewire.node
+		}
+	}
+	@args.EXCLUSIVE {
+		type integer
+		default {
+			@func refer
+			name defaults.pipewire.exclusive
+		}
+	}
+
+
+	type pipewire
+	server $SERVER
+	playback_node $NODE
+	capture_node $NODE
+	exclusive $EXCLUSIVE
+	hint {
+		show on
+		description "PipeWire Sound Server"
+	}
+}
+
+pcm.!default {
+    type pipewire
+    playback_node "-1"
+    capture_node  "-1"
+    hint {
+        show on
+        description "Default ALSA Output (currently PipeWire Media Server)"
+    }
+    #fallback "sysdefault"
+}