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diff --git a/ingen/shared/LV2Features.hpp b/ingen/shared/LV2Features.hpp
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+++ b/ingen/shared/LV2Features.hpp
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+/* This file is part of Ingen.
+ * Copyright 2008-2011 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_SHARED_LV2FEATURES_HPP
+#define INGEN_SHARED_LV2FEATURES_HPP
+
+#include <vector>
+
+#include "lv2/lv2plug.in/ns/lv2core/lv2.h"
+
+#include "raul/SharedPtr.hpp"
+
+namespace Ingen {
+
+class Node;
+
+namespace Shared {
+
+class World;
+
+/** Stuff that may need to be passed to an LV2 plugin (i.e. LV2 features).
+ */
+class LV2Features {
+public:
+	LV2Features();
+
+	class Feature {
+	public:
+		virtual ~Feature() {}
+
+		virtual SharedPtr<LV2_Feature> feature(Shared::World* world,
+		                                       Node*          node) = 0;
+	};
+
+	class FeatureArray {
+	public:
+		typedef std::vector< SharedPtr<LV2_Feature> > FeatureVector;
+
+		explicit FeatureArray(FeatureVector& features);
+
+		~FeatureArray();
+
+		LV2_Feature** array() { return _array; }
+
+	private:
+		FeatureVector _features;
+		LV2_Feature** _array;
+	};
+
+	void add_feature(SharedPtr<Feature> feature);
+
+	SharedPtr<FeatureArray> lv2_features(Shared::World* world,
+	                                     Node*          node) const;
+
+private:
+	typedef std::vector< SharedPtr<Feature> > Features;
+	Features _features;
+};
+
+} // namespace Shared
+} // namespace Ingen
+
+#endif // INGEN_SHARED_LV2FEATURES_HPP