reafactoring

Services/Internal/AudioService.cs

@@ -1,4 +1,5 @@
-using System.Diagnostics;
+using Discord.Audio;
+using System.Diagnostics;
 
 namespace Kasbot.Services.Internal
 {
@@ -6,7 +7,57 @@ namespace Kasbot.Services.Internal
     {
         public AudioService() { }
 
-        public Process CreateStream()
+        public void StartAudioTask(Stream inputStream, IAudioClient outputAudioClient, Action<Stream> onStartAudio, Action<Task> onFinish)
+        {
+            var ffmpeg = CreateFFmpeg();
+
+            Task stdin = new Task(() =>
+            {
+                using (var output = inputStream)
+                {
+                    try
+                    {
+                        output.CopyTo(ffmpeg.StandardInput.BaseStream);
+                        ffmpeg.StandardInput.Close();
+                    }
+                    catch { }
+                    finally
+                    {
+                        output.Flush();
+                    }
+                }
+            });
+
+            Task stdout = new Task(() =>
+            {
+                using (var output = ffmpeg.StandardOutput.BaseStream)
+                using (var discord = outputAudioClient.CreatePCMStream(AudioApplication.Music))
+                {
+                    try
+                    {
+                        onStartAudio.Invoke(ffmpeg.StandardOutput.BaseStream);
+                        output.CopyTo(discord);
+                    }
+                    catch { }
+                    finally
+                    {
+                        discord.Flush();
+                    }
+                }
+            });
+
+            stdin.Start();
+            stdout.Start();
+
+            stdin.ContinueWith(onFinish);
+            stdout.ContinueWith(onFinish);
+
+            Task.WaitAll(stdin, stdout);
+
+            ffmpeg.Close();
+        }
+
+        private Process CreateFFmpeg()
         {
             var process = Process.Start(new ProcessStartInfo
             {