Fix GetAudioRenderersProcessMasterVolume which was totally wrong

Ryujinx.Core/OsHle/Services/Aud/IAudioDeviceService.cs

@@ -0,0 +1,63 @@
+using ChocolArm64.Memory;
+using Ryujinx.Core.OsHle.Ipc;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Ryujinx.Core.OsHle.IpcServices.Aud
+{
+    class IAudioDevice : IIpcService
+    {
+        private Dictionary<int, ServiceProcessRequest> m_Commands;
+
+        public IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
+
+        public IAudioDevice()
+        {
+            m_Commands = new Dictionary<int, ServiceProcessRequest>()
+            {
+                { 0, ListAudioDeviceName        },
+                { 1, SetAudioDeviceOutputVolume },
+            };
+        }
+
+        public long ListAudioDeviceName(ServiceCtx Context)
+        {
+            string[] Names = new string[] { "FIXME" };
+
+            Context.ResponseData.Write(Names.Length);
+
+            long Position = Context.Request.ReceiveBuff[0].Position;
+            long Size     = Context.Request.ReceiveBuff[0].Size;
+
+            long BasePosition = Position;
+
+            foreach (string Name in Names)
+            {
+                byte[] Buffer = Encoding.ASCII.GetBytes(Name + '\0');
+
+                if ((Position - BasePosition) + Buffer.Length > Size)
+                {
+                    break;
+                }
+
+                AMemoryHelper.WriteBytes(Context.Memory, Position, Buffer);
+
+                Position += Buffer.Length;
+            }
+
+            return 0;
+        }
+
+        public long SetAudioDeviceOutputVolume(ServiceCtx Context)
+        {
+            float Volume = Context.RequestData.ReadSingle();
+
+            long Position = Context.Request.SendBuff[0].Position;
+            long Size     = Context.Request.SendBuff[0].Size;
+
+            string Name = AMemoryHelper.ReadAsciiString(Context.Memory, Position, (int)Size);
+
+            return 0;
+        }
+    }
+}

Ryujinx.Core/OsHle/Services/Aud/ServiceAudRen.cs

@@ -1,3 +1,4 @@
+using Ryujinx.Core.OsHle.Handles;
 using Ryujinx.Core.OsHle.Ipc;
 using System.Collections.Generic;
 
@@ -15,9 +16,9 @@ namespace Ryujinx.Core.OsHle.IpcServices.Aud
         {
             m_Commands = new Dictionary<int, ServiceProcessRequest>()
             {
-                { 0, OpenAudioRenderer                    },
-                { 1, GetAudioRendererWorkBufferSize       },
-                { 2, GetAudioRenderersProcessMasterVolume }
+                { 0, OpenAudioRenderer              },
+                { 1, GetAudioRendererWorkBufferSize },
+                { 2, GetAudioDevice                 }
             };
         }
 
@@ -49,9 +50,11 @@ namespace Ryujinx.Core.OsHle.IpcServices.Aud
             return 0;
         }
 
-        public long GetAudioRenderersProcessMasterVolume(ServiceCtx Context)
+        public long GetAudioDevice(ServiceCtx Context)
         {
-            Context.ResponseData.Write(0);
+            long UserId = Context.RequestData.ReadInt64();
+
+            MakeObject(Context, new IAudioDevice());
 
             return 0;
         }