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diff --git a/src/server/LV2Node.hpp b/src/server/LV2Node.hpp
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+/* This file is part of Ingen.
+ * Copyright 2007-2011 David 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 INGEN_ENGINE_LV2NODE_HPP
+#define INGEN_ENGINE_LV2NODE_HPP
+
+#include <string>
+#include "slv2/slv2.h"
+#include "raul/IntrusivePtr.hpp"
+#include "lv2/lv2plug.in/ns/ext/contexts/contexts.h"
+#include "types.hpp"
+#include "NodeImpl.hpp"
+#include "LV2Features.hpp"
+
+namespace Ingen {
+namespace Server {
+
+class LV2Plugin;
+
+/** An instance of a LV2 plugin.
+ *
+ * \ingroup engine
+ */
+class LV2Node : public NodeImpl
+{
+public:
+	LV2Node(LV2Plugin*         plugin,
+	        const std::string& name,
+	        bool               polyphonic,
+	        PatchImpl*         parent,
+	        SampleRate         srate);
+
+	~LV2Node();
+
+	bool instantiate(BufferFactory& bufs);
+
+	bool prepare_poly(BufferFactory& bufs, uint32_t poly);
+	bool apply_poly(Raul::Maid& maid, uint32_t poly);
+
+	void activate(BufferFactory& bufs);
+	void deactivate();
+
+	void message_run(MessageContext& context);
+
+	void process(ProcessContext& context);
+
+	void set_port_buffer(uint32_t voice, uint32_t port_num,
+			IntrusivePtr<Buffer> buf, SampleCount offset);
+
+protected:
+	inline SLV2Instance instance(uint32_t voice) { return (SLV2Instance)(*_instances)[voice].get(); }
+
+	typedef Raul::Array< SharedPtr<void> > Instances;
+
+	LV2Plugin* _lv2_plugin;
+	Instances* _instances;
+	Instances* _prepared_instances;
+
+	LV2_Contexts_MessageContext* _message_funcs;
+
+	SharedPtr<Ingen::Shared::LV2Features::FeatureArray> _features;
+};
+
+} // namespace Server
+} // namespace Ingen
+
+#endif // INGEN_ENGINE_LV2NODE_HPP
+