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diff --git a/extern/audaspace/include/devices/DeviceManager.h b/extern/audaspace/include/devices/DeviceManager.h
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+++ b/extern/audaspace/include/devices/DeviceManager.h
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+/*******************************************************************************
+ * Copyright 2009-2016 Jörg Müller
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ ******************************************************************************/
+
+#pragma once
+
+/**
+ * @file DeviceManager.h
+ * @ingroup devices
+ * The DeviceManager class.
+ */
+
+#include "Audaspace.h"
+
+#include <memory>
+#include <vector>
+#include <unordered_map>
+
+AUD_NAMESPACE_BEGIN
+
+class IDevice;
+class IDeviceFactory;
+class I3DDevice;
+
+/**
+ * This class manages all device plugins and maintains a device if asked to do so.
+ *
+ * This enables applications to access their output device without having to carry
+ * it through the whole application.
+ */
+class AUD_API DeviceManager
+{
+private:
+	static std::unordered_map<std::string, std::shared_ptr<IDeviceFactory>> m_factories;
+
+	static std::shared_ptr<IDevice> m_device;
+
+	// delete copy constructor and operator=
+	DeviceManager(const DeviceManager&) = delete;
+	DeviceManager& operator=(const DeviceManager&) = delete;
+	DeviceManager() = delete;
+
+public:
+	/**
+	 * Registers a device factory.
+	 *
+	 * This method is mostly used by plugin developers to add their device implementation
+	 * for general use by the library end users.
+	 * @param name A representative name for the device.
+	 * @param factory The factory that creates the device.
+	 */
+	static void registerDevice(std::string name, std::shared_ptr<IDeviceFactory> factory);
+
+	/**
+	 * Returns the factory for a specific device.
+	 * @param name The representative name of the device.
+	 * @return The factory if it was found, or nullptr otherwise.
+	 */
+	static std::shared_ptr<IDeviceFactory> getDeviceFactory(std::string name);
+
+	/**
+	 * Returns the default device based on the priorities of the registered factories.
+	 * @return The default device or nullptr if no factory has been registered.
+	 */
+	static std::shared_ptr<IDeviceFactory> getDefaultDeviceFactory();
+
+
+	/**
+	 * Sets a device that should be handled by the manager.
+	 *
+	 * If a device is currently being handled it will be released.
+	 * @param device The device the manager should take care of.
+	 */
+	static void setDevice(std::shared_ptr<IDevice> device);
+
+	/**
+	 * Opens a device which will then be handled by the manager.
+	 *
+	 * If a device is currently being handled it will be released.
+	 * @param name The representative name of the device.
+	 */
+	static void openDevice(std::string name);
+
+	/**
+	 * Opens the default device which will then be handled by the manager.
+	 *
+	 * The device to open is selected based on the priority of the registered factories.
+	 * If a device is currently being handled it will be released.
+	 */
+	static void openDefaultDevice();
+
+	/**
+	 * Releases the currently handled device.
+	 */
+	static void releaseDevice();
+
+	/**
+	 * Returns the currently handled device.
+	 * @return The handled device or nullptr if no device has been registered.
+	 */
+	static std::shared_ptr<IDevice> getDevice();
+
+	/**
+	 * Returns the currently handled 3D device.
+	 * @return The handled device or nullptr if no device has been registered
+	 *         or the registered device is not an I3DDevice.
+	 */
+	static std::shared_ptr<I3DDevice> get3DDevice();
+
+	/**
+	 * Returns a list of available devices.
+	 * @return A list of strings with the names of available devices.
+	 */
+	static std::vector<std::string> getAvailableDeviceNames();
+};
+
+AUD_NAMESPACE_END