changing folder structure

Kasbot.APP/Services/Internal/AudioService.cs

@@ -0,0 +1,79 @@
+using Discord.Audio;
+using System.Diagnostics;
+
+namespace Kasbot.Services.Internal
+{
+    public class AudioService
+    {
+        public AudioService() { }
+
+        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
+            {
+                FileName = "ffmpeg",
+                Arguments = $"-hide_banner -loglevel panic -i pipe:0 -ac 2 -f s16le -ar 48000 pipe:1",
+                UseShellExecute = false,
+                RedirectStandardInput = true,
+                RedirectStandardOutput = true
+            });
+
+            if (process == null || process.HasExited)
+            {
+                throw new Exception("Sorry, ffmpeg killed itself in a tragic accident!");
+            }
+
+            return process;
+        }
+    }
+}