Refs #140 , refs #85 Rename namespace voice to audio.

In #85 the voice context will be renamed to audio context, so the CValueObject classes will be renamed to namespace Audio too.
As #140 changes many CValueClasses, this crossover change is done in the same unit of work.

src/blackmisc/audiodevicelist.h

@@ -0,0 +1,83 @@
+/* Copyright (C) 2013 VATSIM Community / authors
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*!
+    \file
+*/
+
+#ifndef BLACKMISC_AUDIODEVICELIST_H
+#define BLACKMISC_AUDIODEVICELIST_H
+
+#include "audiodevice.h"
+#include "sequence.h"
+#include "collection.h"
+#include <QObject>
+#include <QString>
+#include <QList>
+
+namespace BlackMisc
+{
+    namespace Audio
+    {
+        /*!
+         * Value object encapsulating a list of audio devices.
+         */
+        class CAudioDeviceList : public CSequence<CAudioDevice>
+        {
+        public:
+            /*!
+             * \brief Default constructor.
+             */
+            CAudioDeviceList();
+
+            /*!
+             * \brief Construct from a base class object.
+             * \param other
+             */
+            CAudioDeviceList(const CSequence &other);
+
+            /*!
+             * \brief QVariant, required for DBus QVariant lists
+             * \return
+             */
+            virtual QVariant asQVariant() const
+            {
+                return QVariant::fromValue(*this);
+            }
+
+            /*!
+             * \brief Get output devices in that list
+             * \return
+             */
+            CAudioDeviceList getOutputDevices() const;
+
+            /*!
+             * \brief Get output devices in that list
+             * \return
+             */
+            CAudioDeviceList getInputDevices() const;
+
+            /*!
+             * \brief Count (as of type)
+             * \param type
+             * \return
+             */
+            int count(CAudioDevice::DeviceType type) const;
+
+            /*!
+             * \brief Register metadata
+             */
+            static void registerMetadata();
+
+        };
+
+    } //namespace
+} // namespace
+
+Q_DECLARE_METATYPE(BlackMisc::Audio::CAudioDeviceList)
+Q_DECLARE_METATYPE(BlackMisc::CCollection<BlackMisc::Audio::CAudioDevice>)
+Q_DECLARE_METATYPE(BlackMisc::CSequence<BlackMisc::Audio::CAudioDevice>)
+
+#endif //guard