- Refactorings and basic implementations in the Audio namespace

- Added WaveLoader from my AC.AL project
- Implemented OpenALSoundEffect and OpenALSoundEffectInstance (not tested yet!)

ANX.Framework/Audio/AudioCategory.cs

@@ -56,7 +56,7 @@ namespace ANX.Framework.Audio
 		#region ToString
 		public override string ToString()
 		{
-			throw new NotImplementedException();
+			return Name;
 		}
 		#endregion
 

ANX.Framework/Audio/AudioEngine.cs

@@ -20,10 +20,8 @@ namespace ANX.Framework.Audio
 		#region Public
 		public bool IsDisposed
 		{
-			get
+			get;
-			{
+			private set;
-				throw new NotImplementedException();
-			}
 		}
 
 		public ReadOnlyCollection<RendererDetail> RendererDetails
@@ -41,8 +39,7 @@ namespace ANX.Framework.Audio
 			throw new NotImplementedException();
 		}
 
-		public AudioEngine(string settingsFile, TimeSpan lookAheadTime,
+		public AudioEngine(string settingsFile, TimeSpan lookAheadTime, string rendererId)
-			string rendererId)
 		{
 			throw new NotImplementedException();
 		}
@@ -84,12 +81,17 @@ namespace ANX.Framework.Audio
 		#region Dispose
 		protected virtual void Dispose(bool disposing)
 		{
-			throw new NotImplementedException();
+			if (IsDisposed == false)
+			{
+				IsDisposed = true;
+				throw new NotImplementedException();
+			}
 		}
 
 		public void Dispose()
 		{
-			throw new NotImplementedException();
+			Dispose(true);
+			GC.SuppressFinalize(this);
 		}
 		#endregion
 	}

ANX.Framework/Audio/Cue.cs

@@ -23,10 +23,8 @@ namespace ANX.Framework.Audio
 
 		public bool IsDisposed
 		{
-			get
+			get;
-			{
+			private set;
-				throw new NotImplementedException();
-			}
 		}
 
 		public bool IsPaused
@@ -87,6 +85,10 @@ namespace ANX.Framework.Audio
 		#endregion
 
 		#region Constructor
+		internal Cue()
+		{
+		}
+
 		~Cue()
 		{
 			Dispose();
@@ -145,7 +147,11 @@ namespace ANX.Framework.Audio
 		#region Dispose
 		public void Dispose()
 		{
-			throw new NotImplementedException();
+			if (IsDisposed == false)
+			{
+				IsDisposed = true;
+				throw new NotImplementedException();
+			}
 		}
 		#endregion
 	}

ANX.Framework/Audio/InstancePlayLimitException.cs

@@ -11,7 +11,7 @@ using System.Runtime.InteropServices;
 namespace ANX.Framework.Audio
 {
 #if !WINDOWSMETRO      //TODO: search replacement for Win8
-    [SerializableAttribute]
+    [Serializable]
 #endif
     public sealed class InstancePlayLimitException : ExternalException
 	{

ANX.Framework/Audio/SoundBank.cs

@@ -70,9 +70,7 @@ namespace ANX.Framework.Audio
 		protected virtual void Dispose(bool disposing)
 		{
 			if (IsDisposed)
-			{
 				return;
-			}
 
 			IsDisposed = true;
 			throw new NotImplementedException();

ANX.Framework/Audio/SoundEffect.cs

@@ -71,11 +71,9 @@ namespace ANX.Framework.Audio
 		#endregion
 
 		#region Private
-		internal ISoundEffect nativeSoundEffect;
-
 		private static List<SoundEffectInstance> fireAndForgetInstances;
-
+		private List<WeakReference> children;
-		private List<WeakReference> children = new List<WeakReference>();
+		internal ISoundEffect nativeSoundEffect;
 		#endregion
 
 		#region Public
@@ -103,13 +101,22 @@ namespace ANX.Framework.Audio
 		#region Constructor
 		static SoundEffect()
 		{
+			fireAndForgetInstances = new List<SoundEffectInstance>();
+
 			MasterVolume = 1f;
 			SpeedOfSound = 343.5f;
 			DopplerScale = 1f;
 			DistanceScale = 1f;
 		}
 
+		private SoundEffect()
+		{
+			children = new List<WeakReference>();
+			IsDisposed = false;
+		}
+
 		private SoundEffect(Stream stream)
+			: this()
 		{
 			nativeSoundEffect = GetCreator().CreateSoundEffect(this, stream);
 		}
@@ -121,6 +128,7 @@ namespace ANX.Framework.Audio
 
 		public SoundEffect(byte[] buffer, int offset, int count, int sampleRate,
 			AudioChannels channels, int loopStart, int loopLength)
+			: this()
 		{
 			nativeSoundEffect = GetCreator().CreateSoundEffect(this, buffer, offset,
 				count, sampleRate, channels, loopStart, loopLength);
@@ -154,12 +162,10 @@ namespace ANX.Framework.Audio
 		#endregion
 
 		#region GetSampleDuration
-		public static TimeSpan GetSampleDuration(int sizeInBytes, int sampleRate,
+		public static TimeSpan GetSampleDuration(int sizeInBytes, int sampleRate, AudioChannels channels)
-			AudioChannels channels)
 		{
 			float sizeMulBlockAlign = sizeInBytes / ((int)channels * 2);
-			return TimeSpan.FromMilliseconds((double)(sizeMulBlockAlign * 1000f /
+			return TimeSpan.FromMilliseconds((double)(sizeMulBlockAlign * 1000f / (float)sampleRate));
-				(float)sampleRate));
 		}
 		#endregion
 
@@ -167,10 +173,8 @@ namespace ANX.Framework.Audio
 		public static int GetSampleSizeInBytes(TimeSpan duration, int sampleRate,
 			AudioChannels channels)
 		{
-			int timeMulSamples = (int)(duration.TotalMilliseconds *
+			int timeMulSamples = (int)(duration.TotalMilliseconds * (double)((float)sampleRate / 1000f));
-				(double)((float)sampleRate / 1000f));
+			return (timeMulSamples + timeMulSamples % (int)channels) * ((int)channels * 2);
-			return (timeMulSamples + timeMulSamples % (int)channels) *
-				((int)channels * 2);
 		}
 		#endregion
 

ANX.Framework/Audio/WaveBank.cs

@@ -41,8 +41,7 @@ namespace ANX.Framework.Audio
 		{
 
 		}
-		public WaveBank(AudioEngine audioEngine, string streamingWaveBankFilename,
+		public WaveBank(AudioEngine audioEngine, string streamingWaveBankFilename, int offset, short packetsize)
-			int offset, short packetsize)
 		{
 
 		}
@@ -62,9 +61,7 @@ namespace ANX.Framework.Audio
 		protected virtual void Dispose(bool disposing)
 		{
 			if (IsDisposed)
-			{
 				return;
-			}
 
 			IsDisposed = true;
 

ANX.Framework/GameHost.cs

@@ -12,14 +12,6 @@ namespace ANX.Framework
 {
     public abstract class GameHost
     {
-        //private EventHandler<EventArgs> Activated;
-        //private EventHandler<EventArgs> Deactivated;
-        //private EventHandler<EventArgs> Exiting;
-        //private EventHandler<EventArgs> Idle;
-        //private EventHandler<EventArgs> Resume;
-        //private EventHandler<EventArgs> Suspend;
-
-        // Events
         internal event EventHandler<EventArgs> Activated;
         internal event EventHandler<EventArgs> Deactivated;
         internal event EventHandler<EventArgs> Exiting;

ANX.Framework/Media/Song.cs

@@ -16,17 +16,15 @@ namespace ANX.Framework.Media
 
 		public string Name
 		{
-			get
+			get;
-			{
+			private set;
-				throw new NotImplementedException();
-			}
 		}
 
 		public bool IsRated
 		{
 			get
 			{
-				throw new NotImplementedException();
+				return Rating > 0;
 			}
 		}
 
@@ -95,8 +93,9 @@ namespace ANX.Framework.Media
 		}
 
 		#region Constructor
-		private Song()
+		internal Song(string setName)
 		{
+			Name = setName;
 			IsDisposed = false;
 		}
 

ANX.Framework/Media/Video.cs

@@ -8,44 +8,47 @@ namespace ANX.Framework.Media
 {
 	public sealed class Video
 	{
+		#region Public
 		public TimeSpan Duration
 		{
-			get
+			get;
-			{
+			private set;
-				throw new NotImplementedException();
-			}
 		}
 		
 		public int Width
 		{
-			get
+			get;
-			{
+			private set;
-				throw new NotImplementedException();
-			}
 		}
 		
 		public int Height
 		{
-			get
+			get;
-			{
+			private set;
-				throw new NotImplementedException();
-			}
 		}
 		
 		public float FramesPerSecond
 		{
-			get
+			get;
-			{
+			private set;
-				throw new NotImplementedException();
-			}
 		}
 		
 		public VideoSoundtrackType VideoSoundtrackType
 		{
-			get
+			get;
-			{
+			private set;
-				throw new NotImplementedException();
-			}
 		}
+		#endregion
+
+		#region Constructor
+		internal Video(int duration, int width, int height, float framesPerSecond, VideoSoundtrackType soundtrackType)
+		{
+			Duration = new TimeSpan(0, 0, 0, 0, duration);
+			Width = width;
+			Height = height;
+			FramesPerSecond = framesPerSecond;
+			VideoSoundtrackType = soundtrackType;
+		}
+		#endregion
 	}
 }

SoundSystems/ANX.SoundSystem.OpenAL/ANX.SoundSystem.OpenAL.csproj

@@ -70,6 +70,12 @@
     <Compile Include="OpenALSoundEffectInstance.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="SupportedPlatformsImpl.cs" />
+    <Compile Include="Wave\ALaw.cs" />
+    <Compile Include="Wave\MsAdpcm.cs" />
+    <Compile Include="Wave\MuLaw.cs" />
+    <Compile Include="Wave\WaveFile.cs" />
+    <Compile Include="Wave\WaveFormat.cs" />
+    <Compile Include="Wave\WaveInfo.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\ANX.Framework\ANX.Framework.csproj">

SoundSystems/ANX.SoundSystem.OpenAL/Creator.cs

@@ -4,6 +4,7 @@ using System.IO;
 using ANX.Framework.Audio;
 using ANX.Framework.NonXNA;
 using ANX.Framework.NonXNA.SoundSystem;
+using OpenTK.Audio.OpenAL;
 
 // This file is part of the ANX.Framework created by the
 // "ANX.Framework developer group" and released under the Ms-PL license.
@@ -14,7 +15,6 @@ namespace ANX.SoundSystem.OpenAL
 	public class Creator : ISoundSystemCreator
 	{
 		#region Public
-		#region Name
 		public string Name
 		{
 			get
@@ -22,9 +22,7 @@ namespace ANX.SoundSystem.OpenAL
 				return "Sound.OpenAL";
 			}
 		}
-		#endregion
 
-		#region Priority
 		public int Priority
 		{
 			get
@@ -32,9 +30,7 @@ namespace ANX.SoundSystem.OpenAL
 				return 100;
 			}
 		}
-		#endregion
 
-		#region IsSupported
 		public bool IsSupported
 		{
 			get
@@ -45,9 +41,7 @@ namespace ANX.SoundSystem.OpenAL
 					os == PlatformName.MacOSX;
 			}
 		}
-		#endregion
 
-		#region DistanceScale
 		public float DistanceScale
 		{
 			get
@@ -59,23 +53,19 @@ namespace ANX.SoundSystem.OpenAL
 				throw new NotImplementedException();
 			}
 		}
-		#endregion
 
-		#region DopplerScale
 		public float DopplerScale
 		{
 			get
 			{
-				throw new NotImplementedException();
+				return AL.Get(ALGetFloat.DopplerFactor);
 			}
 			set
 			{
-				throw new NotImplementedException();
+				AL.DopplerFactor(value);
 			}
 		}
-		#endregion
 
-		#region MasterVolume
 		public float MasterVolume
 		{
 			get
@@ -87,46 +77,41 @@ namespace ANX.SoundSystem.OpenAL
 				throw new NotImplementedException();
 			}
 		}
-		#endregion
 
-		#region SpeedOfSound
 		public float SpeedOfSound
 		{
 			get
 			{
-				throw new NotImplementedException();
+				return AL.Get(ALGetFloat.SpeedOfSound);
 			}
 			set
 			{
-				throw new NotImplementedException();
+				AL.SpeedOfSound(value);
 			}
 		}
 		#endregion
-		#endregion
 
 		#region CreateSoundEffectInstance
-		public ISoundEffectInstance CreateSoundEffectInstance(
+		public ISoundEffectInstance CreateSoundEffectInstance(ISoundEffect nativeSoundEffect)
-			ISoundEffect nativeSoundEffect)
 		{
-			AddInSystemFactory.Instance.PreventSystemChange(AddInType.SoundSystem);
+			PreventSystemChange();
-			return new OpenALSoundEffectInstance((OpenALSoundEffect)nativeSoundEffect);
+			return new OpenALSoundEffectInstance(nativeSoundEffect as OpenALSoundEffect);
 		}
 		#endregion
 
 		#region CreateSoundEffect
 		public ISoundEffect CreateSoundEffect(SoundEffect parent, Stream stream)
 		{
-			AddInSystemFactory.Instance.PreventSystemChange(AddInType.SoundSystem);
+			PreventSystemChange();
 			return new OpenALSoundEffect(parent, stream);
 		}
 		#endregion
 
 		#region CreateSoundEffect (TODO)
-		public ISoundEffect CreateSoundEffect(SoundEffect parent, byte[] buffer,
+		public ISoundEffect CreateSoundEffect(SoundEffect parent, byte[] buffer, int offset, int count, int sampleRate,
-			int offset, int count, int sampleRate, AudioChannels channels,
+			AudioChannels channels, int loopStart, int loopLength)
-			int loopStart, int loopLength)
 		{
-			AddInSystemFactory.Instance.PreventSystemChange(AddInType.SoundSystem);
+			PreventSystemChange();
 			throw new NotImplementedException();
 		}
 		#endregion
@@ -134,7 +119,7 @@ namespace ANX.SoundSystem.OpenAL
 		#region CreateAudioListener
 		public IAudioListener CreateAudioListener()
 		{
-			AddInSystemFactory.Instance.PreventSystemChange(AddInType.SoundSystem);
+			PreventSystemChange();
 			return new OpenALAudioListener();
 		}
 		#endregion
@@ -142,7 +127,7 @@ namespace ANX.SoundSystem.OpenAL
 		#region CreateAudioEmitter (TODO)
 		public IAudioEmitter CreateAudioEmitter()
 		{
-			AddInSystemFactory.Instance.PreventSystemChange(AddInType.SoundSystem);
+			PreventSystemChange();
 			throw new NotImplementedException();
 		}
 		#endregion
@@ -150,6 +135,7 @@ namespace ANX.SoundSystem.OpenAL
 		#region CreateMicrophone
 		public IMicrophone CreateMicrophone(Microphone managedMicrophone)
 		{
+			PreventSystemChange();
 			throw new NotImplementedException();
 		}
 		#endregion
@@ -157,6 +143,7 @@ namespace ANX.SoundSystem.OpenAL
 		#region GetAllMicrophones
 		public ReadOnlyCollection<Microphone> GetAllMicrophones()
 		{
+			PreventSystemChange();
 			throw new NotImplementedException();
 		}
 		#endregion
@@ -164,8 +151,14 @@ namespace ANX.SoundSystem.OpenAL
 		#region GetDefaultMicrophone
 		public int GetDefaultMicrophone(ReadOnlyCollection<Microphone> allMicrophones)
 		{
+			PreventSystemChange();
 			throw new NotImplementedException();
 		}
 		#endregion
+
+		private void PreventSystemChange()
+		{
+			AddInSystemFactory.Instance.PreventSystemChange(AddInType.SoundSystem);
+		}
 	}
 }

SoundSystems/ANX.SoundSystem.OpenAL/OpenALSoundEffect.cs

@@ -2,6 +2,11 @@
 using System.IO;
 using ANX.Framework.Audio;
 using ANX.Framework.NonXNA.SoundSystem;
+using OpenTK.Audio;
+
+// This file is part of the ANX.Framework created by the
+// "ANX.Framework developer group" and released under the Ms-PL license.
+// For details see: http://anxframework.codeplex.com/license
 
 namespace ANX.SoundSystem.OpenAL
 {
@@ -9,14 +14,20 @@ namespace ANX.SoundSystem.OpenAL
 	{
 		#region Private
 		internal SoundEffect parent;
+
+		private WaveInfo waveInfo;
+
+		private TimeSpan duration;
+
+		internal int bufferHandle;
 		#endregion
 
-		#region Public (TODO)
+		#region Public
 		public TimeSpan Duration
 		{
 			get
 			{
-				throw new NotImplementedException();
+				return duration;
 			}
 		}
 		#endregion
@@ -25,13 +36,23 @@ namespace ANX.SoundSystem.OpenAL
 		internal OpenALSoundEffect(SoundEffect setParent, Stream stream)
 		{
 			parent = setParent;
+
+			waveInfo = WaveFile.LoadData(stream);
+
+			float sizeMulBlockAlign = waveInfo.Data.Length / ((int)waveInfo.Channels * 2);
+			duration = TimeSpan.FromMilliseconds((double)(sizeMulBlockAlign * 1000f / (float)waveInfo.SampleRate));
+
+			bufferHandle = AL.GenBuffer();
+			AL.BufferData(bufferHandle, waveInfo.OpenALFormat, waveInfo.Data, waveInfo.Data.Length, waveInfo.SampleRate);
 		}
 		#endregion
 
-		#region Dispose (TODO)
+		#region Dispose
 		public void Dispose()
 		{
-			throw new NotImplementedException();
+			waveInfo = null;
+
+			AL.DeleteBuffer(bufferHandle);
 		}
 		#endregion
 	}

SoundSystems/ANX.SoundSystem.OpenAL/OpenALSoundEffectInstance.cs

@@ -1,6 +1,11 @@
 using System;
 using ANX.Framework.Audio;
 using ANX.Framework.NonXNA.SoundSystem;
+using OpenTK.Audio;
+
+// This file is part of the ANX.Framework created by the
+// "ANX.Framework developer group" and released under the Ms-PL license.
+// For details see: http://anxframework.codeplex.com/license
 
 namespace ANX.SoundSystem.OpenAL
 {
@@ -8,18 +13,22 @@ namespace ANX.SoundSystem.OpenAL
 	{
 		#region Private
 		private OpenALSoundEffect parent;
+
+		private int handle;
 		#endregion
 
-		#region Public (TODO)
+		#region Public
 		public bool IsLooped
 		{
 			get
 			{
-				throw new NotImplementedException();
+				bool result;
+				AL.GetSource(handle, ALSourceb.Looping, out result);
+				return result;
 			}
 			set
 			{
-				throw new NotImplementedException();
+				AL.Source(handle, ALSourceb.Looping, value);
 			}
 		}
 
@@ -39,31 +48,33 @@ namespace ANX.SoundSystem.OpenAL
 		{
 			get
 			{
-				throw new NotImplementedException();
+				float result;
+				AL.GetSource(handle, ALSourcef.Pitch, out result);
+				return result;
 			}
 			set
 			{
-				throw new NotImplementedException();
+				AL.Source(handle, ALSourcef.Pitch, value);
 			}
 		}
 
 		public SoundState State
 		{
-			get
+			get;
-			{
+			private set;
-				throw new NotImplementedException();
-			}
 		}
 
 		public float Volume
 		{
 			get
 			{
-				throw new NotImplementedException();
+				float result;
+				AL.GetSource(handle, ALSourcef.Gain, out result);
+				return result;
 			}
 			set
 			{
-				throw new NotImplementedException();
+				AL.Source(handle, ALSourcef.Gain, value);
 			}
 		}
 		#endregion
@@ -72,38 +83,77 @@ namespace ANX.SoundSystem.OpenAL
 		internal OpenALSoundEffectInstance(OpenALSoundEffect setParent)
 		{
 			parent = setParent;
+
+			State = SoundState.Stopped;
+
+			handle = AL.GenSource();
+			AL.Source(handle, ALSourcei.Buffer, parent.bufferHandle);
+			IsLooped = false;
+			Pitch = 1f;
+			Volume = 1f;
+			// TODO: Pan = 0f;
 		}
 		#endregion
 
+		#region Play
 		public void Play()
 		{
-			throw new NotImplementedException();
+			if (State != SoundState.Playing)
+			{
+				State = SoundState.Playing;
+				AL.SourcePlay(handle);
+			}
 		}
+		#endregion
 
+		#region Pause
 		public void Pause()
 		{
-			throw new NotImplementedException();
+			if (State != SoundState.Paused)
+			{
+				State = SoundState.Paused;
+				AL.SourcePause(handle);
+			}
 		}
+		#endregion
 
+		#region Stop
 		public void Stop(bool immediate)
 		{
-			throw new NotImplementedException();
+			if (State == SoundState.Stopped)
-		}
+				return;
 
+			if (immediate)
+			{
+				State = SoundState.Stopped;
+				AL.SourceStop(handle);
+			}
+		}
+		#endregion
+
+		#region Resume
 		public void Resume()
 		{
-			throw new NotImplementedException();
+			if (State != SoundState.Playing)
+			{
+				State = SoundState.Playing;
+				AL.SourcePlay(handle);
+			}
 		}
+		#endregion
 
-		public void Apply3D(Framework.Audio.AudioListener[] listeners, Framework.Audio.AudioEmitter emitter)
+		#region Apply3D (TODO)
+		public void Apply3D(AudioListener[] listeners, AudioEmitter emitter)
 		{
 			throw new NotImplementedException();
 		}
+		#endregion
 
-		#region Dispose (TODO)
+		#region Dispose
 		public void Dispose()
 		{
-			throw new NotImplementedException();
+			AL.DeleteSource(handle);
+			handle = -1;
 		}
 		#endregion
 	}

SoundSystems/ANX.SoundSystem.OpenAL/Wave/ALaw.cs

@@ -0,0 +1,122 @@
+using System;
+using System.IO;
+using OpenTK.Audio;
+
+// This file is part of the ANX.Framework and originally taken from
+// the AC.AL OpenAL library, released under the MIT License.
+// For details see: http://acal.codeplex.com/license
+
+namespace ANX.SoundSystem.OpenAL
+{
+	/// <summary>
+	/// http://www.threejacks.com/?q=node/176
+	/// </summary>
+	internal static class ALaw
+	{
+		#region Decode Table
+		private static readonly short[] DecodeTable =
+		{
+			-5504, -5248, -6016, -5760, -4480, -4224, -4992, -4736,
+			-7552, -7296, -8064, -7808, -6528, -6272, -7040, -6784,
+			-2752, -2624, -3008, -2880, -2240, -2112, -2496, -2368,
+			-3776, -3648, -4032, -3904, -3264, -3136, -3520, -3392,
+			-22016,-20992,-24064,-23040,-17920,-16896,-19968,-18944,
+			-30208,-29184,-32256,-31232,-26112,-25088,-28160,-27136,
+			-11008,-10496,-12032,-11520,-8960, -8448, -9984, -9472,
+			-15104,-14592,-16128,-15616,-13056,-12544,-14080,-13568,
+			-344,  -328,  -376,  -360,  -280,  -264,  -312,  -296,
+			-472,  -456,  -504,  -488,  -408,  -392,  -440,  -424,
+			-88,   -72,   -120,  -104,  -24,   -8,    -56,   -40,
+			-216,  -200,  -248,  -232,  -152,  -136,  -184,  -168,
+			-1376, -1312, -1504, -1440, -1120, -1056, -1248, -1184,
+			-1888, -1824, -2016, -1952, -1632, -1568, -1760, -1696,
+			-688,  -656,  -752,  -720,  -560,  -528,  -624,  -592,
+			-944,  -912,  -1008, -976,  -816,  -784,  -880,  -848,
+			 5504,  5248,  6016,  5760,  4480,  4224,  4992,  4736,
+			 7552,  7296,  8064,  7808,  6528,  6272,  7040,  6784,
+			 2752,  2624,  3008,  2880,  2240,  2112,  2496,  2368,
+			 3776,  3648,  4032,  3904,  3264,  3136,  3520,  3392,
+			 22016, 20992, 24064, 23040, 17920, 16896, 19968, 18944,
+			 30208, 29184, 32256, 31232, 26112, 25088, 28160, 27136,
+			 11008, 10496, 12032, 11520, 8960,  8448,  9984,  9472,
+			 15104, 14592, 16128, 15616, 13056, 12544, 14080, 13568,
+			 344,   328,   376,   360,   280,   264,   312,   296,
+			 472,   456,   504,   488,   408,   392,   440,   424,
+			 88,    72,   120,   104,    24,     8,    56,    40,
+			 216,   200,   248,   232,   152,   136,   184,   168,
+			 1376,  1312,  1504,  1440,  1120,  1056,  1248,  1184,
+			 1888,  1824,  2016,  1952,  1632,  1568,  1760,  1696,
+			 688,   656,   752,   720,   560,   528,   624,   592,
+			 944,   912,  1008,   976,   816,   784,   880,   848
+		};
+		#endregion
+
+		#region Encode Table
+		private static readonly byte[] EncodeTable =
+		{
+			1, 1, 2, 2, 3, 3, 3, 3,
+			4, 4, 4, 4, 4, 4, 4, 4,
+			5, 5, 5, 5, 5, 5, 5, 5,
+			5, 5, 5, 5, 5, 5, 5, 5,
+			6, 6, 6, 6, 6, 6, 6, 6,
+			6, 6, 6, 6, 6, 6, 6, 6,
+			6, 6, 6, 6, 6, 6, 6, 6,
+			6, 6, 6, 6, 6, 6, 6, 6,
+			7, 7, 7, 7, 7, 7, 7, 7,
+			7, 7, 7, 7, 7, 7, 7, 7,
+			7, 7, 7, 7, 7, 7, 7, 7,
+			7, 7, 7, 7, 7, 7, 7, 7,
+			7, 7, 7, 7, 7, 7, 7, 7,
+			7, 7, 7, 7, 7, 7, 7, 7,
+			7, 7, 7, 7, 7, 7, 7, 7,
+			7, 7, 7, 7, 7, 7, 7, 7
+		};
+		#endregion
+
+		#region ConvertToALaw (TODO)
+		private static void ConvertToALaw(WaveInfo info)
+		{
+			//int sign;
+			//int exponent;
+			//int mantissa;
+			//unsigned char compressedByte;
+
+			//sign = ((~sample) >> 8) & 0x80;
+			//if (!sign)
+			//     sample = (short)-sample;
+			//if (sample > cClip)
+			//     sample = cClip;
+			//if (sample >= 256)
+			//{
+			//     exponent = (int)ALawCompressTable[(sample >> 8) & 0x7F];
+			//     mantissa = (sample >> (exponent + 3) ) & 0x0F;
+			//     compressedByte = ((exponent << 4) | mantissa);
+			//}
+			//else
+			//{
+			//     compressedByte = (unsigned char)(sample >> 4);
+			//}
+			//compressedByte ^= (sign ^ 0x55);
+			//return compressedByte;
+		}
+		#endregion
+
+		#region ConvertToPcm
+		public static void ConvertToPcm(WaveInfo info)
+		{
+			info.OpenALFormat = info.Channels == 1 ?
+				ALFormat.Mono16 :
+				ALFormat.Stereo16;
+			MemoryStream destStream = new MemoryStream();
+			BinaryWriter destWriter = new BinaryWriter(destStream);
+			for (int index = 0; index < info.Data.Length; index++)
+			{
+				destWriter.Write(DecodeTable[info.Data[index]]);
+			}
+			destWriter.Close();
+			info.Data = destStream.ToArray();
+			destStream.Dispose();
+		}
+		#endregion
+	}
+}

SoundSystems/ANX.SoundSystem.OpenAL/Wave/MsAdpcm.cs

@@ -0,0 +1,141 @@
+using System;
+using System.IO;
+
+// This file is part of the ANX.Framework and originally taken from
+// the AC.AL OpenAL library, released under the MIT License.
+// For details see: http://acal.codeplex.com/license
+
+namespace ANX.SoundSystem.OpenAL
+{
+	/// <summary>
+	/// http://wiki.multimedia.cx/index.php?title=Microsoft_ADPCM
+	/// <para />
+	/// http://dslinux.gits.kiev.ua/trunk/lib/audiofile/src/libaudiofile/modules/msadpcm.c
+	/// <para />
+	/// http://netghost.narod.ru/gff/vendspec/micriff/ms_riff.txt
+	/// </summary>
+	internal static class MsAdpcm
+	{
+		#region Decoding Tables
+		private static readonly int[] AdaptationTable =
+		{
+			230, 230, 230, 230, 307, 409, 512, 614,
+			768, 614, 512, 409, 307, 230, 230, 230
+		};
+
+		private static readonly int[] AdaptCoeff1 =
+		{
+			256, 512, 0, 192, 240, 460, 392
+		};
+
+		private static readonly int[] AdaptCoeff2 =
+		{
+			0, -256, 0, 64, 0, -208, -232
+		};
+		#endregion
+
+		#region StateObject (helper class)
+		private class StateObject
+		{
+			/// <summary>
+			/// Indices in the aCoef array to define the predictor
+			/// used to encode this block.
+			/// </summary>
+			public byte predicator;
+			/// <summary>
+			/// Initial Delta value to use.
+			/// </summary>
+			public short delta;
+			/// <summary>
+			/// The second sample value of the block. When decoding this will be
+			/// used as the previous sample to start decoding with.
+			/// </summary>
+			public short sample1;
+			/// <summary>
+			/// The first sample value of the block. When decoding this will be
+			/// used as the previous' previous sample to start decoding with.
+			/// </summary>
+			public short sample2;
+		}
+		#endregion
+		
+		#region ConvertToPcm
+		public static void ConvertToPcm(WaveInfo info)
+		{
+			BinaryReader reader = new BinaryReader(new MemoryStream(info.Data));
+			MemoryStream result = new MemoryStream();
+			BinaryWriter writer = new BinaryWriter(result);
+
+			StateObject first = new StateObject();
+			StateObject second = info.Channels > 1 ? new StateObject() : first;
+			StateObject[] states = { first, second };
+
+			int numSamples = (info.ExtSamplesPerBlock - 2) * info.Channels;
+			int numberOfBlocks = info.Data.Length / info.BlockAlign;
+			for (int blockIndex = 0; blockIndex < numberOfBlocks; blockIndex++)
+			{
+				for (int index = 0; index < info.Channels; index++)
+				{
+					states[index].predicator = reader.ReadByte();
+				}
+				for (int index = 0; index < info.Channels; index++)
+				{
+					states[index].delta = reader.ReadInt16();
+				}
+				for (int index = 0; index < info.Channels; index++)
+				{
+					states[index].sample1 = reader.ReadInt16();
+				}
+				for (int index = 0; index < info.Channels; index++)
+				{
+					states[index].sample2 = reader.ReadInt16();
+					// Write first samples directly from preamble
+					writer.Write(states[index].sample2);
+				}
+
+				// Write first samples directly from preamble
+				for (int index = 0; index < info.Channels; index++)
+				{
+					writer.Write(states[index].sample1);
+				}
+
+				// We decode the samples two at a time
+				for (int index = 0; index < numSamples; index += 2)
+				{
+					byte code = reader.ReadByte();
+					DecodeSample(first, code >> 4, writer);
+					DecodeSample(second, code & 0x0f, writer);
+				}
+			}
+
+			reader.Close();
+			writer.Close();
+			info.Data = result.ToArray();
+			result.Dispose();
+		}
+		#endregion
+
+		#region DecodeSample
+		private static void DecodeSample(StateObject state, int code,
+			BinaryWriter writer)
+		{
+			int linearSample =
+				((state.sample1 * AdaptCoeff1[state.predicator]) +
+				(state.sample2 * AdaptCoeff2[state.predicator])) / 256;
+
+			linearSample = linearSample + (state.delta *
+				((code & 0x08) == 0x08 ? (code - 0x10) : code));
+
+			state.sample2 = state.sample1;
+			// clamp predictor within signed 16-bit range
+			state.sample1 = (short)Math.Min(short.MaxValue,
+				Math.Max(short.MinValue, linearSample));
+
+			state.delta = (short)Math.Max(
+				(state.delta * AdaptationTable[code]) / 256, 16);
+
+			writer.Write(state.sample1);
+		}
+		#endregion
+	}
+}

SoundSystems/ANX.SoundSystem.OpenAL/Wave/MuLaw.cs

@@ -0,0 +1,111 @@
+using System;
+using System.IO;
+using OpenTK.Audio;
+
+// This file is part of the ANX.Framework and originally taken from
+// the AC.AL OpenAL library, released under the MIT License.
+// For details see: http://acal.codeplex.com/license
+
+namespace ANX.SoundSystem.OpenAL
+{
+	/// <summary>
+	/// http://www.threejacks.com/?q=node/176
+	/// </summary>
+	internal static class MuLaw
+	{
+		#region Decode Table
+		private static readonly short[] DecodeTable =
+		{
+     -32124,-31100,-30076,-29052,-28028,-27004,-25980,-24956,
+     -23932,-22908,-21884,-20860,-19836,-18812,-17788,-16764,
+     -15996,-15484,-14972,-14460,-13948,-13436,-12924,-12412,
+     -11900,-11388,-10876,-10364, -9852, -9340, -8828, -8316,
+      -7932, -7676, -7420, -7164, -6908, -6652, -6396, -6140,
+      -5884, -5628, -5372, -5116, -4860, -4604, -4348, -4092,
+      -3900, -3772, -3644, -3516, -3388, -3260, -3132, -3004,
+      -2876, -2748, -2620, -2492, -2364, -2236, -2108, -1980,
+      -1884, -1820, -1756, -1692, -1628, -1564, -1500, -1436,
+      -1372, -1308, -1244, -1180, -1116, -1052,  -988,  -924,
+       -876,  -844,  -812,  -780,  -748,  -716,  -684,  -652,
+       -620,  -588,  -556,  -524,  -492,  -460,  -428,  -396,
+       -372,  -356,  -340,  -324,  -308,  -292,  -276,  -260,
+       -244,  -228,  -212,  -196,  -180,  -164,  -148,  -132,
+       -120,  -112,  -104,   -96,   -88,   -80,   -72,   -64,
+        -56,   -48,   -40,   -32,   -24,   -16,    -8,    -1,
+      32124, 31100, 30076, 29052, 28028, 27004, 25980, 24956,
+      23932, 22908, 21884, 20860, 19836, 18812, 17788, 16764,
+      15996, 15484, 14972, 14460, 13948, 13436, 12924, 12412,
+      11900, 11388, 10876, 10364,  9852,  9340,  8828,  8316,
+       7932,  7676,  7420,  7164,  6908,  6652,  6396,  6140,
+       5884,  5628,  5372,  5116,  4860,  4604,  4348,  4092,
+       3900,  3772,  3644,  3516,  3388,  3260,  3132,  3004,
+       2876,  2748,  2620,  2492,  2364,  2236,  2108,  1980,
+       1884,  1820,  1756,  1692,  1628,  1564,  1500,  1436,
+       1372,  1308,  1244,  1180,  1116,  1052,   988,   924,
+        876,   844,   812,   780,   748,   716,   684,   652,
+        620,   588,   556,   524,   492,   460,   428,   396,
+        372,   356,   340,   324,   308,   292,   276,   260,
+        244,   228,   212,   196,   180,   164,   148,   132,
+        120,   112,   104,    96,    88,    80,    72,    64,
+         56,    48,    40,    32,    24,    16,     8,     0
+		};
+		#endregion
+
+		#region Encode Table
+		private static readonly byte[] EncodeTable =
+		{
+     0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3,
+     4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+     5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+     5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+     6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+     6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+     6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+     6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+     7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+     7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+     7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+     7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+     7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+     7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+     7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+     7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
+		};
+		#endregion
+
+		#region ConvertToMuLaw (TODO)
+		private static void ConvertToMuLaw(WaveInfo info)
+		{
+			//int sign = (sample >> 8) & 0x80;
+			//if (sign)
+			//     sample = (short)-sample;
+			//if (sample > cClip)
+			//     sample = cClip;
+			//sample = (short)(sample + cBias);
+			//int exponent = (int)MuLawCompressTable[(sample>>7) & 0xFF];
+			//int mantissa = (sample >> (exponent+3)) & 0x0F;
+			//int compressedByte = ~ (sign | (exponent << 4) | mantissa);
+
+			//return (unsigned char)compressedByte;
+		}
+		#endregion
+
+		#region ConvertToPcm
+		public static void ConvertToPcm(WaveInfo info)
+		{
+			info.OpenALFormat = info.Channels == 1 ?
+				ALFormat.Mono16 :
+				ALFormat.Stereo16;
+			MemoryStream destStream = new MemoryStream();
+			BinaryWriter destWriter = new BinaryWriter(destStream);
+			for (int index = 0; index < info.Data.Length; index++)
+			{
+				destWriter.Write(DecodeTable[info.Data[index]]);
+			}
+			destWriter.Close();
+			info.Data = destStream.ToArray();
+			destStream.Dispose();
+		}
+		#endregion
+	}
+}

SoundSystems/ANX.SoundSystem.OpenAL/Wave/WaveFile.cs

@@ -0,0 +1,235 @@
+using System;
+using System.IO;
+using ANX.Framework.NonXNA;
+using OpenTK.Audio;
+
+// This file is part of the ANX.Framework and originally taken from
+// the AC.AL OpenAL library, released under the MIT License.
+// For details see: http://acal.codeplex.com/license
+
+namespace ANX.SoundSystem.OpenAL
+{
+	/// <summary>
+	/// This class contains all the loading process of a wave file.
+	/// <para />
+	/// http://www-mmsp.ece.mcgill.ca/documents/audioformats/wave/wave.html
+	/// <para />
+	/// Chunk information: http://www.sonicspot.com/guide/wavefiles.html
+	/// <para />
+	/// Audio Codecs: http://wiki.multimedia.cx/index.php?title=Category:Audio_Codecs
+	/// <para />
+	/// http://netghost.narod.ru/gff/vendspec/micriff/ms_riff.txt
+	/// <para />
+	/// Most interesting file about many formats:
+	/// http://icculus.org/SDL_sound/downloads/external_documentation/wavecomp.htm
+	/// <para />
+	/// http://sharkysoft.com/archive/lava/docs/javadocs/lava/riff/wave/doc-files/riffwave-content.htm
+	/// </summary>
+	public static class WaveFile
+	{
+		#region LoadData
+		/// <summary>
+		/// Load all information from a wave file.
+		/// </summary>
+		/// <param name="stream">The stream containing the wave file data.</param>
+		public static WaveInfo LoadData(Stream stream)
+		{
+			WaveInfo result = new WaveInfo();
+
+			using (BinaryReader reader = new BinaryReader(stream))
+			{
+				if (CheckHeader(reader) == false)
+				{
+					throw new FormatException("The provided stream is not a valid WAVE file. Unable to load!");
+				}
+
+				#region Read Chunks
+				while (stream.Position < stream.Length - 8)
+				{
+					string identifier = new string(reader.ReadChars(4));
+					int chunkLength = reader.ReadInt32();
+
+					if (stream.Position + chunkLength > stream.Length)
+					{
+						break;
+					}
+
+					int startPosition = (int)reader.BaseStream.Position;
+
+					switch (identifier.ToLower())
+					{
+						case "fmt ":
+							{
+								#region Load fmt chunk
+								result.WaveFormat = (WaveFormat)reader.ReadInt16();
+								result.Channels = reader.ReadInt16();
+								result.SampleRate = reader.ReadInt32();
+								int avgBytesPerSec = reader.ReadInt32();
+								result.BlockAlign = reader.ReadInt16();
+								result.BitsPerSample = reader.ReadInt16();
+
+								if (chunkLength > 16)
+								{
+									short extensionSize = reader.ReadInt16();
+
+									if (chunkLength > 18)
+									{
+										result.ExtSamplesPerBlock = reader.ReadInt16();
+										int speakerPositionMask = reader.ReadInt32();
+										WaveFormat extFormat = (WaveFormat)reader.ReadInt16();
+										if (result.WaveFormat < 0)
+										{
+											result.WaveFormat = extFormat;
+										}
+										byte[] subFormat = reader.ReadBytes(14);
+									}
+								}
+
+								result.OpenALFormat = (result.Channels == 1 ?
+									(result.BitsPerSample == 8 ?
+									ALFormat.Mono8 :
+									ALFormat.Mono16) :
+									(result.BitsPerSample == 8 ?
+									ALFormat.Stereo8 :
+									ALFormat.Stereo16));
+								#endregion
+							}
+							break;
+
+						case "fact":
+							{
+								#region Load fact chunk
+								// per channel
+								int numberOfSamples = reader.ReadInt32();
+								// TODO: more
+								#endregion
+							}
+							break;
+
+						case "data":
+							result.Data = reader.ReadBytes(chunkLength);
+							break;
+					}
+
+					// If some chunks are incorrect in data length, we ensure that we
+					// end up in the right position.
+					int lengthRead = (int)reader.BaseStream.Position - startPosition;
+					if (lengthRead != chunkLength)
+					{
+						reader.BaseStream.Seek(chunkLength - lengthRead,
+							SeekOrigin.Current);
+					}
+				}
+				#endregion
+			}
+
+			if (result.Data == null)
+			{
+				Logger.Error("There was no data chunk available. Unable to load!");
+				return null;
+			}
+
+			ConvertFormat(result);
+
+			return result;
+		}
+		#endregion
+
+		#region CheckHeader
+		private static bool CheckHeader(BinaryReader reader)
+		{
+			string RIFFmagic = new string(reader.ReadChars(4));
+			if(RIFFmagic != "RIFF")
+			{
+				return false;
+			}
+
+			// filesize
+			reader.ReadInt32();
+
+			string identifierWAVE = new string(reader.ReadChars(4));
+			if(identifierWAVE != "WAVE")
+			{
+				return false;
+			}
+
+			return true;
+		}
+		#endregion
+
+		#region ConvertFormat
+		private static void ConvertFormat(WaveInfo info)
+		{
+			switch (info.WaveFormat)
+			{
+				case WaveFormat.PCM:
+					#region Convert 32 to 16 bps (TODO)
+					//if (info.BitsPerSample == 32)
+					//{
+					//  BinaryReader sourceReader =
+					//    new BinaryReader(new MemoryStream(info.Data));
+					//  MemoryStream destStream = new MemoryStream();
+					//  BinaryWriter destWriter = new BinaryWriter(destStream);
+
+					//  int length = info.Data.Length / 4;
+					//  for (int index = 0; index < length; index++)
+					//  {
+					//    int value = sourceReader.ReadInt32();
+					//    destWriter.Write((short)(value / 2));
+					//  }
+					//  sourceReader.Close();
+					//  destWriter.Close();
+					//  info.Data = destStream.ToArray();
+					//  destStream.Dispose();
+					//}
+					#endregion
+					break;
+
+				case WaveFormat.ALAW:
+					ALaw.ConvertToPcm(info);
+					break;
+
+				case WaveFormat.MULAW:
+					MuLaw.ConvertToPcm(info);
+					break;
+
+				case WaveFormat.IEEE_FLOAT:
+					{
+						#region Convert float to pcm
+						bool is64BitFloat = info.BitsPerSample == 64;
+
+						BinaryReader sourceReader =
+							new BinaryReader(new MemoryStream(info.Data));
+						MemoryStream destStream = new MemoryStream();
+						BinaryWriter destWriter = new BinaryWriter(destStream);
+
+						int length = info.Data.Length / (is64BitFloat ? 8 : 4);
+						for (int index = 0; index < length; index++)
+						{
+							double value = is64BitFloat ?
+								sourceReader.ReadDouble() :
+								sourceReader.ReadSingle();
+
+							destWriter.Write((short)(value * 32767));
+						}
+
+						sourceReader.Close();
+						destWriter.Close();
+						info.Data = destStream.ToArray();
+						destStream.Dispose();
+						#endregion
+					}
+					break;
+
+				case WaveFormat.MS_ADPCM:
+					MsAdpcm.ConvertToPcm(info);
+					break;
+
+				default:
+					throw new NotSupportedException("The WAVE format " +
+						info.WaveFormat + " is not supported yet. Unable to load!");
+			}
+		}
+		#endregion
+	}
+}

SoundSystems/ANX.SoundSystem.OpenAL/Wave/WaveFormat.cs

@@ -0,0 +1,33 @@
+using System;
+
+// This file is part of the ANX.Framework and originally taken from
+// the AC.AL OpenAL library, released under the MIT License.
+// For details see: http://acal.codeplex.com/license
+
+namespace ANX.SoundSystem.OpenAL
+{
+	public enum WaveFormat
+	{
+		PCM = 1,
+		/// <summary>
+		/// http://wiki.multimedia.cx/index.php?title=Microsoft_ADPCM
+		/// </summary>
+		MS_ADPCM = 2,
+		IEEE_FLOAT = 3,
+		/// <summary>
+		/// 8-bit ITU-T G.711 A-law
+		/// http://hazelware.luggle.com/tutorials/mulawcompression.html
+		/// </summary>
+		ALAW = 6,
+		/// <summary>
+		/// 8-bit ITU-T G.711 µ-law
+		/// http://hazelware.luggle.com/tutorials/mulawcompression.html
+		/// </summary>
+		MULAW = 7,
+
+		/// <summary>
+		/// Determined by SubFormat
+		/// </summary>
+		WAVE_FORMAT_EXTENSIBLE = 0xFFFE,
+	}
+}

SoundSystems/ANX.SoundSystem.OpenAL/Wave/WaveInfo.cs

@@ -0,0 +1,60 @@
+using System;
+using OpenTK.Audio;
+
+// This file is part of the ANX.Framework and originally taken from
+// the AC.AL OpenAL library, released under the MIT License.
+// For details see: http://acal.codeplex.com/license
+
+namespace ANX.SoundSystem.OpenAL
+{
+	public class WaveInfo
+	{
+		public WaveFormat WaveFormat
+		{
+			get;
+			internal set;
+		}
+
+		public byte[] Data
+		{
+			get;
+			internal set;
+		}
+
+		public ALFormat OpenALFormat
+		{
+			get;
+			internal set;
+		}
+
+		public int SampleRate
+		{
+			get;
+			internal set;
+		}
+
+		public short BitsPerSample
+		{
+			get;
+			internal set;
+		}
+
+		public short BlockAlign
+		{
+			get;
+			internal set;
+		}
+
+		public int Channels
+		{
+			get;
+			internal set;
+		}
+
+		public short ExtSamplesPerBlock
+		{
+			get;
+			internal set;
+		}
+	}
+}