Added isDisposed checks to audio classes. Dont flush the OpusEncodeStream

src/Discord.Net.WebSocket/Audio/AudioClient.cs

@@ -43,9 +43,9 @@ namespace Discord.Audio
         private Task _heartbeatTask;
         private long _heartbeatTime;
         private string _url;
-        private bool _isDisposed;
         private uint _ssrc;
         private byte[] _secretKey;
+        private bool _isDisposed;
 
         public SocketGuild Guild { get; }
         public DiscordVoiceAPIClient ApiClient { get; private set; }
@@ -165,8 +165,9 @@ namespace Discord.Audio
 
             ConnectionState = ConnectionState.Disconnected;
             await _audioLogger.InfoAsync("Disconnected").ConfigureAwait(false);
-
             await _disconnectedEvent.InvokeAsync(ex).ConfigureAwait(false);
+
+            await Discord.ApiClient.SendVoiceStateUpdateAsync(Guild.Id, null, false, false).ConfigureAwait(false);
         }
 
         public Stream CreateOpusStream(int samplesPerFrame)
@@ -314,10 +315,12 @@ namespace Discord.Audio
 
         internal void Dispose(bool disposing)
         {
-            DisconnectInternalAsync(null).GetAwaiter().GetResult();
-            if (!_isDisposed)
+            if (disposing && !_isDisposed)
+            {
                 _isDisposed = true;
-            ApiClient.Dispose();
+                DisconnectInternalAsync(null).GetAwaiter().GetResult();
+                ApiClient.Dispose();
+            }
         }
         /// <inheritdoc />
         public void Dispose() => Dispose(true);

src/Discord.Net.WebSocket/Audio/Streams/OpusEncodeStream.cs

@@ -54,7 +54,7 @@ namespace Discord.Audio
             }
         }
 
-        public override void Flush()
+        /*public override void Flush()
         {
             FlushAsync(CancellationToken.None).GetAwaiter().GetResult();
         }
@@ -68,7 +68,7 @@ namespace Discord.Audio
             catch (Exception) { } //Incomplete frame
             _partialFramePos = 0;
             await base.FlushAsync(cancellationToken).ConfigureAwait(false);
-        }
+        }*/
 
         protected override void Dispose(bool disposing)
         {

src/Discord.Net.WebSocket/Audio/Streams/RTPWriteStream.cs

@@ -11,6 +11,7 @@ namespace Discord.Audio
         private readonly byte[] _nonce, _secretKey;
         private int _samplesPerFrame;
         private uint _ssrc, _timestamp = 0;
+        private bool _isDisposed;
 
         protected readonly byte[] _buffer;
 
@@ -36,7 +37,11 @@ namespace Discord.Audio
 
         protected override void Dispose(bool disposing)
         {
-            Flush();
+            if (disposing && !_isDisposed)
+            {
+                _isDisposed = true;
+                Flush();
+            }
             base.Dispose(disposing);
         }
 

src/Discord.Net.WebSocket/Entities/Guilds/SocketGuild.cs

@@ -479,7 +479,6 @@ namespace Discord.WebSocket
             if (AudioClient != null)
                 await AudioClient.DisconnectAsync().ConfigureAwait(false);
             AudioClient = null;
-            await Discord.ApiClient.SendVoiceStateUpdateAsync(Id, null, false, false).ConfigureAwait(false);
         }
         internal async Task FinishConnectAudio(int id, string url, string token)
         {