modules: remove pipewire module and move algorithms to module-si-adapter

modules/module-si-adapter/algorithms.h

@@ -0,0 +1,15 @@
+/* WirePlumber
+ *
+ * Copyright © 2019 Collabora Ltd.
+ *    @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+typedef void (*CreateLinkCb) (WpProperties *, gpointer);
+gboolean multiport_link_create (GVariant * src_data, GVariant * sink_data,
+    CreateLinkCb create_link_cb, gpointer user_data, GError ** error);
+
+struct spa_audio_info_raw;
+gboolean choose_sensible_raw_audio_format (GPtrArray *formats,
+    gint channels_preference, struct spa_audio_info_raw *result);