Refactor everything!

After discussing things at the AGL May 2019 F2F meeting
and reflecting on the initial design of WirePlumber,
it became clear that it needed a fresh start.

modules/module-pipewire/loop-source.h

@@ -0,0 +1,21 @@
+/* WirePlumber
+ *
+ * Copyright © 2019 Collabora Ltd.
+ *    @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ */
+
+#include <wp/wp.h>
+#include <pipewire/pipewire.h>
+
+#define WP_LOOP_SOURCE(x) ((WpLoopSource *) x)
+
+typedef struct _WpLoopSource WpLoopSource;
+struct _WpLoopSource
+{
+  GSource parent;
+  struct pw_loop *loop;
+};
+
+GSource * wp_loop_source_new (void);