Cleaned up audio code

src/Discord.Net.Core/Audio/AudioApplication.cs

@@ -0,0 +1,9 @@
+namespace Discord.Audio
+{
+    public enum AudioApplication : int
+    {
+        Voice,
+        Music,
+        Mixed
+    }
+}

src/Discord.Net.Core/Audio/AudioInStream.cs

@@ -1,8 +1,30 @@
-using System.IO;
+using System;
+using System.IO;
+using System.Threading;
 
 namespace Discord.Audio
 {
     public abstract class AudioInStream : Stream
     {
+        public override bool CanRead => true;
+        public override bool CanSeek => false;
+        public override bool CanWrite => true;
+
+        public override void Write(byte[] buffer, int offset, int count)
+        {
+            WriteAsync(buffer, offset, count, CancellationToken.None).GetAwaiter().GetResult();
+        }
+
+        public override void Flush() { throw new NotSupportedException(); }
+
+        public override long Length { get { throw new NotSupportedException(); } }
+        public override long Position
+        {
+            get { throw new NotSupportedException(); }
+            set { throw new NotSupportedException(); }
+        }
+
+        public override void SetLength(long value) { throw new NotSupportedException(); }
+        public override long Seek(long offset, SeekOrigin origin) { throw new NotSupportedException(); }
     }
 }

src/Discord.Net.Core/Audio/AudioOutStream.cs

@@ -1,4 +1,5 @@
-using System.IO;
+using System;
+using System.IO;
 using System.Threading;
 using System.Threading.Tasks;
 
@@ -10,7 +11,31 @@ namespace Discord.Audio
         public override bool CanSeek => false;
         public override bool CanWrite => true;
 
-        public virtual void Clear() { }
-        public virtual Task ClearAsync(CancellationToken cancelToken) { return Task.Delay(0); }
+        public override void Write(byte[] buffer, int offset, int count)
+        {
+            WriteAsync(buffer, offset, count, CancellationToken.None).GetAwaiter().GetResult();
+        }
+        public override void Flush()
+        {
+            FlushAsync(CancellationToken.None).GetAwaiter().GetResult();
+        }
+        public void Clear()
+        {
+            ClearAsync(CancellationToken.None).GetAwaiter().GetResult();
+        }
+
+        public virtual Task ClearAsync(CancellationToken cancellationToken) { return Task.Delay(0); }
+        //public virtual Task WriteSilenceAsync(CancellationToken cancellationToken) { return Task.Delay(0); }
+
+        public override long Length { get { throw new NotSupportedException(); } }
+        public override long Position
+        {
+            get { throw new NotSupportedException(); }
+            set { throw new NotSupportedException(); }
+        }
+
+        public override int Read(byte[] buffer, int offset, int count) { throw new NotSupportedException(); }
+        public override void SetLength(long value) { throw new NotSupportedException(); }
+        public override long Seek(long offset, SeekOrigin origin) { throw new NotSupportedException(); }
     }
 }

src/Discord.Net.Core/Audio/IAudioClient.cs

@@ -34,13 +34,13 @@ namespace Discord.Audio
         /// <param name="samplesPerFrame">Samples per frame. Must be 120, 240, 480, 960, 1920 or 2880, representing 2.5, 5, 10, 20, 40 or 60 milliseconds respectively.</param>
         /// <param name="bitrate"></param>
         /// <returns></returns>
-        AudioOutStream CreatePCMStream(int samplesPerFrame, int channels = 2, int? bitrate = null, int bufferMillis = 1000);
+        AudioOutStream CreatePCMStream(AudioApplication application, int samplesPerFrame, int channels = 2, int? bitrate = null, int bufferMillis = 1000);
         /// <summary>
         /// Creates a new direct outgoing stream accepting PCM (raw) data. This is a direct stream with no internal timer.
         /// </summary>
         /// <param name="samplesPerFrame">Samples per frame. Must be 120, 240, 480, 960, 1920 or 2880, representing 2.5, 5, 10, 20, 40 or 60 milliseconds respectively.</param>
         /// <param name="bitrate"></param>
         /// <returns></returns>
-        AudioOutStream CreateDirectPCMStream(int samplesPerFrame, int channels = 2, int? bitrate = null);
+        AudioOutStream CreateDirectPCMStream(AudioApplication application, int samplesPerFrame, int channels = 2, int? bitrate = null);
     }
 }