split Sound.cs in smaller chunks

OpenRA.Game/Sound/SoundDevice.cs

@@ -0,0 +1,52 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2014 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+namespace OpenRA
+{
+	interface ISoundEngine
+	{
+		ISoundSource AddSoundSourceFromMemory(byte[] data, int channels, int sampleBits, int sampleRate);
+		ISound Play2D(ISoundSource sound, bool loop, bool relative, WPos pos, float volume, bool attenuateVolume);
+		float Volume { get; set; }
+		void PauseSound(ISound sound, bool paused);
+		void StopSound(ISound sound);
+		void SetAllSoundsPaused(bool paused);
+		void StopAllSounds();
+		void SetListenerPosition(WPos position);
+		void SetSoundVolume(float volume, ISound music, ISound video);
+	}
+
+	public class SoundDevice
+	{
+		public readonly string Engine;
+		public readonly string Device;
+		public readonly string Label;
+
+		public SoundDevice(string engine, string device, string label)
+		{
+			Engine = engine;
+			Device = device;
+			Label = label;
+
+			// Limit label to 32 characters
+			if (Label.Length > 32)
+				Label = "..." + Label.Substring(Label.Length - 32);
+		}
+	}
+
+	interface ISoundSource { }
+
+	public interface ISound
+	{
+		float Volume { get; set; }
+		float SeekPosition { get; }
+		bool Playing { get; }
+	}
+}