From c0af61632938f161dd2e15dec3c5260a3d5427ca Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sat, 29 Sep 2007 21:39:53 +0000
Subject: 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
---
 src/libs/engine/EventSink.hpp | 59 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 src/libs/engine/EventSink.hpp

(limited to 'src/libs/engine/EventSink.hpp')

diff --git a/src/libs/engine/EventSink.hpp b/src/libs/engine/EventSink.hpp
new file mode 100644
index 00000000..27407684
--- /dev/null
+++ b/src/libs/engine/EventSink.hpp
@@ -0,0 +1,59 @@
+/* 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 EVENTSINK_H
+#define EVENTSINK_H
+
+#include <list>
+#include <utility>
+#include <raul/DoubleBuffer.hpp>
+#include "types.hpp"
+
+namespace Ingen {
+
+class Port;
+
+
+/** Sink for events generated in the audio thread.
+ *
+ * Implemented as a flat ringbuffer of events, which are constructed directly
+ * in the ringbuffer rather than allocated on the heap (in order to make
+ * writing realtime safe).
+ *
+ * \ingroup engine
+ */
+class EventSink
+{
+public:
+	EventSink(size_t capacity) : _capacity(capacity) {}
+
+	/* FIXME: Figure out variable sized event queues and make this a generic
+	 * interface (ie don't add a method for every event type, crap..) */
+
+	void control_change(Port* port, float val);
+
+private:
+	size_t _capacity;
+	//Raul::List<std::pair<Port*, Raul::DoubleBuffer<float>  > > _ports;
+};
+
+
+
+} // namespace Ingen
+
+#endif // EVENTSINK_H
+
-- 
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