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diff --git a/src/engine/BufferFactory.hpp b/src/engine/BufferFactory.hpp
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+++ b/src/engine/BufferFactory.hpp
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+/* This file is part of Ingen.
+ * Copyright (C) 2009 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 BUFFER_FACTORY_H
+#define BUFFER_FACTORY_H
+
+#include <map>
+#include "interface/DataType.hpp"
+#include "glibmm/thread.h"
+#include "raul/RingBuffer.hpp"
+#include "raul/AtomicPtr.hpp"
+
+namespace Ingen {
+
+using namespace Shared;
+
+class Engine;
+
+namespace Shared { class LV2URIMap; }
+
+class BufferFactory {
+public:
+	BufferFactory(Engine& engine, SharedPtr<Shared::LV2URIMap> map);
+
+	SharedPtr<Buffer> get(Shared::DataType type, size_t size=0);
+
+private:
+	friend class BufferDeleter;
+	void recycle(Buffer* buf);
+
+	SharedPtr<Buffer> create(Shared::DataType type, size_t size=0);
+
+	inline Raul::AtomicPtr<Buffer>& free_list(Shared::DataType type) {
+		switch (type.symbol()) {
+		case DataType::AUDIO:   return _free_audio;
+		case DataType::CONTROL: return _free_control;
+		case DataType::EVENTS:  return _free_event;
+		case DataType::VALUE:   return _free_object;
+		default: throw;
+		}
+	}
+
+	Raul::AtomicPtr<Buffer> _free_audio;
+	Raul::AtomicPtr<Buffer> _free_control;
+	Raul::AtomicPtr<Buffer> _free_event;
+	Raul::AtomicPtr<Buffer> _free_object;
+
+	Glib::Mutex                  _mutex;
+	Engine&                      _engine;
+	SharedPtr<Shared::LV2URIMap> _map;
+};
+
+} // namespace Ingen
+
+#endif // BUFFER_FACTORY_H