Work towards port monitoring and better (higher utilization) parallel execution.

git-svn-id: http://svn.drobilla.net/lad/ingen@784 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 58 insertions, 0 deletions

diff --git a/src/libs/engine/events/EnablePortNotificationEvent.hpp b/src/libs/engine/events/EnablePortNotificationEvent.hpp
new file mode 100644
index 00000000..522af143
--- /dev/null
+++ b/src/libs/engine/events/EnablePortNotificationEvent.hpp
@@ -0,0 +1,58 @@
+/* This file is part of Ingen.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ * 
+ * Ingen is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) any later
+ * version.
+ * 
+ * Ingen is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef ENABLEPORTNOTIFICATIONEVENT_H
+#define ENABLEPORTNOTIFICATIONEVENT_H
+
+#include <string>
+#include "QueuedEvent.hpp"
+#include "types.hpp"
+
+using std::string;
+
+namespace Ingen {
+	
+class Port;
+namespace Shared { class ClientInterface; }
+using Shared::ClientInterface;
+
+
+/** Enable sending of dynamic value change notifications for a port.
+ *
+ * \ingroup engine
+ */
+class EnablePortNotificationEvent : public QueuedEvent
+{
+public:
+	EnablePortNotificationEvent(Engine&              engine,
+	                            SharedPtr<Responder> responder,
+	                            SampleCount          timestamp,
+	                            const std::string&   port_path);
+
+	void pre_process();
+	void execute(SampleCount nframes, FrameTime start, FrameTime end);
+	void post_process();
+
+private:
+	const std::string _port_path;
+	Port*             _port;
+};
+
+
+} // namespace Ingen
+
+#endif // ENABLEPORTNOTIFICATIONEVENT_H