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diff --git a/ingen/DataAccess.hpp b/ingen/DataAccess.hpp
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+/*
+  This file is part of Ingen.
+  Copyright 2007-2015 David Robillard <http://drobilla.net/>
+
+  Ingen is free software: you can redistribute it and/or modify it under the
+  terms of the GNU Affero General Public License as published by the Free
+  Software Foundation, either version 3 of the License, or 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 Affero General Public License for details.
+
+  You should have received a copy of the GNU Affero General Public License
+  along with Ingen.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef INGEN_ENGINE_DATAACCESS_HPP
+#define INGEN_ENGINE_DATAACCESS_HPP
+
+#include "ingen/LV2Features.hpp"
+#include "ingen/Store.hpp"
+#include "ingen/World.hpp"
+
+#include "lv2/lv2plug.in/ns/ext/data-access/data-access.h"
+
+namespace Ingen {
+
+struct DataAccess : public Ingen::LV2Features::Feature
+{
+	static void delete_feature(LV2_Feature* feature) {
+		free(feature->data);
+		delete feature;
+	}
+
+	const char* uri() const { return "http://lv2plug.in/ns/ext/data-access"; }
+
+	SPtr<LV2_Feature> feature(World* world, Node* node) {
+		Node* store_node = world->store()->get(node->path());
+		if (!store_node) {
+			return SPtr<LV2_Feature>();
+		}
+
+		LilvInstance* inst = store_node->instance();
+		if (!inst) {
+			return SPtr<LV2_Feature>();
+		}
+
+		const LV2_Descriptor*       desc = lilv_instance_get_descriptor(inst);
+		LV2_Extension_Data_Feature* data = (LV2_Extension_Data_Feature*)
+			malloc(sizeof(LV2_Extension_Data_Feature));
+
+		data->data_access = desc->extension_data;
+
+		return SPtr<LV2_Feature>(
+			new LV2_Feature{ "http://lv2plug.in/ns/ext/data-access", data });
+	}
+};
+
+} // namespace Ingen
+
+#endif // INGEN_ENGINE_DATAACCESS_HPP