Full round-trip message communication between LV2 UIs and plugins.

Still a little bit rough around the edges, but it works.  This can be tested
with the eg-sampler plugin from LV2 svn (whose UI can load different samples).


git-svn-id: svn://localhost/ardour2/branches/3.0@11519 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 13 insertions, 6 deletions

diff --git a/gtk2_ardour/lv2_plugin_ui.h b/gtk2_ardour/lv2_plugin_ui.h
index b9d644081c..8500312856 100644
--- a/gtk2_ardour/lv2_plugin_ui.h
+++ b/gtk2_ardour/lv2_plugin_ui.h
@@ -79,12 +79,19 @@ class LV2PluginUI : public PlugUIBase, public Gtk::VBox
 
 	void* _inst;
 
-	static void lv2_ui_write(
-			void*       controller,
-			uint32_t    port_index,
-			uint32_t    buffer_size,
-			uint32_t    format,
-			const void* buffer);
+	static void write_from_ui(void*       controller,
+	                          uint32_t    port_index,
+	                          uint32_t    buffer_size,
+	                          uint32_t    format,
+	                          const void* buffer);
+
+	static void write_to_ui(void*       controller,
+	                        uint32_t    port_index,
+	                        uint32_t    buffer_size,
+	                        uint32_t    format,
+	                        const void* buffer);
+
+	bool update_timeout();
 
 	void lv2ui_instantiate(const std::string& title);
 	void lv2ui_free();