diff -r 000000000000 -r 6474c204b198 media/webrtc/signaling/include/CSFAudioControl.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/media/webrtc/signaling/include/CSFAudioControl.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,35 @@
+/* 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/. */
+
+#pragma once
+
+#include "CC_Common.h"
+
+namespace CSF
+{
+        DECLARE_NS_PTR(AudioControl)
+	class ECC_API AudioControl
+	{
+	public:
+                NS_INLINE_DECL_THREADSAFE_REFCOUNTING(AudioControl)
+		// device names are in UTF-8 encoding
+
+		virtual std::vector<std::string> getRecordingDevices() = 0;
+		virtual std::vector<std::string> getPlayoutDevices() = 0;
+
+		virtual std::string getRecordingDevice() = 0;
+		virtual std::string getPlayoutDevice() = 0;
+
+		virtual bool setRecordingDevice( const std::string& name ) = 0;
+		virtual bool setPlayoutDevice( const std::string& name ) = 0;
+
+        virtual bool setDefaultVolume( int ) = 0;
+        virtual int getDefaultVolume() = 0;
+
+        virtual bool setRingerVolume( int ) = 0;
+        virtual int getRingerVolume() = 0;
+
+        virtual ~AudioControl(){};
+	};
+};