Refactor IPC services to have commands into separate classes, fix readme url

Ryujinx.Core/OsHle/IpcServices/Aud/ServiceAudOut.cs

@@ -0,0 +1,57 @@
+using ChocolArm64.Memory;
+using Ryujinx.Core.OsHle.Ipc;
+using System.Collections.Generic;
+using System.Text;
+
+using static Ryujinx.Core.OsHle.IpcServices.ObjHelper;
+
+namespace Ryujinx.Core.OsHle.IpcServices.Aud
+{
+    class ServiceAudOut : IIpcService
+    {
+        private Dictionary<int, ServiceProcessRequest> m_Commands;
+
+        public IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
+
+        public ServiceAudOut()
+        {
+            m_Commands = new Dictionary<int, ServiceProcessRequest>()
+            {
+                { 0, ListAudioOuts },
+                { 1, OpenAudioOut  },
+            };
+        }
+
+        public long ListAudioOuts(ServiceCtx Context)
+        {
+            long Position = Context.Request.ReceiveBuff[0].Position;
+
+            AMemoryHelper.WriteBytes(Context.Memory, Position, Encoding.ASCII.GetBytes("iface"));
+
+            Context.ResponseData.Write(1);
+
+            return 0;
+        }
+
+        public long OpenAudioOut(ServiceCtx Context)
+        {
+            MakeObject(Context, new IAudioOut());
+
+            Context.ResponseData.Write(48000); //Sample Rate
+            Context.ResponseData.Write(2); //Channel Count
+            Context.ResponseData.Write(2); //PCM Format
+            /*  
+                0 - Invalid
+                1 - INT8
+                2 - INT16
+                3 - INT24
+                4 - INT32
+                5 - PCM Float
+                6 - ADPCM
+            */
+            Context.ResponseData.Write(0); //Unknown
+
+            return 0;
+        }
+    }
+}