From 232608effc8c5e7cf15c07b8e3989170433b042f Mon Sep 17 00:00:00 2001
From: greggameplayer <33609333+greggameplayer@users.noreply.github.com>
Date: Mon, 11 Jun 2018 02:42:05 +0200
Subject: [PATCH] Implement ListAudioOutsAuto & OpenAudioOutAuto

---
 .../OsHle/Services/Aud/IAudioOutManager.cs    | 97 ++++++++++++++++++-
 1 file changed, 94 insertions(+), 3 deletions(-)

diff --git a/Ryujinx.Core/OsHle/Services/Aud/IAudioOutManager.cs b/Ryujinx.Core/OsHle/Services/Aud/IAudioOutManager.cs
index 82e547ae5..d2106232c 100644
--- a/Ryujinx.Core/OsHle/Services/Aud/IAudioOutManager.cs
+++ b/Ryujinx.Core/OsHle/Services/Aud/IAudioOutManager.cs
@@ -20,8 +20,10 @@ namespace Ryujinx.Core.OsHle.Services.Aud
         {
             m_Commands = new Dictionary<int, ServiceProcessRequest>()
             {
-                { 0, ListAudioOuts },
-                { 1, OpenAudioOut  }
+                { 0, ListAudioOuts     },
+                { 1, OpenAudioOut      },
+                { 2, ListAudioOutsAuto },
+                { 3, OpenAudioOutAuto  }
             };
         }
 
@@ -111,5 +113,94 @@ namespace Ryujinx.Core.OsHle.Services.Aud
 
             return 0;
         }
+        
+        public long ListAudioOutsAuto(ServiceCtx Context)
+        {
+            (long Position, long Size) = Context.Request.GetBufferType0x22();
+
+            int NameCount = 0;
+
+            byte[] DeviceNameBuffer = Encoding.ASCII.GetBytes(DefaultAudioOutput + "\0");
+
+            if ((ulong)DeviceNameBuffer.Length <= (ulong)Size)
+            {
+                Context.Memory.WriteBytes(Position, DeviceNameBuffer);
+
+                NameCount++;
+            }
+            else
+            {
+                Context.Ns.Log.PrintError(LogClass.ServiceAudio, $"Output buffer size {Size} too small!");
+            }
+
+            Context.ResponseData.Write(NameCount);
+
+            return 0;
+        }
+        
+        public long OpenAudioOutAuto(ServiceCtx Context)
+        {
+            IAalOutput AudioOut = Context.Ns.AudioOut;
+
+            (long SendPosition, long SendSize) = Context.Request.GetBufferType0x21();
+            
+            string DeviceName = AMemoryHelper.ReadAsciiString(
+                Context.Memory,
+                SendPosition,
+                SendSize
+            );
+
+            if (DeviceName == string.Empty)
+            {
+                DeviceName = DefaultAudioOutput;
+            }
+
+            long Position = Context.Request.ReceiveBuff[0].Position;
+            long Size     = Context.Request.ReceiveBuff[0].Size;
+
+            byte[] DeviceNameBuffer = Encoding.ASCII.GetBytes(DeviceName + "\0");
+
+            if ((ulong)DeviceNameBuffer.Length <= (ulong)Size)
+            {
+                Context.Memory.WriteBytes(Position, DeviceNameBuffer);
+            }
+            else
+            {
+                Context.Ns.Log.PrintError(LogClass.ServiceAudio, $"Output buffer size {Size} too small!");
+            }
+
+            int SampleRate = Context.RequestData.ReadInt32();
+            int Channels   = Context.RequestData.ReadInt32();
+
+            Channels = (ushort)(Channels >> 16);
+
+            if (SampleRate == 0)
+            {
+                SampleRate = 48000;
+            }
+
+            if (Channels < 1 || Channels > 2)
+            {
+                Channels = 2;
+            }
+
+            KEvent ReleaseEvent = new KEvent();
+
+            ReleaseCallback Callback = () =>
+            {
+                ReleaseEvent.WaitEvent.Set();
+            };
+
+            int Track = AudioOut.OpenTrack(SampleRate, Channels, Callback, out AudioFormat Format);
+
+            MakeObject(Context, new IAudioOut(AudioOut, ReleaseEvent, Track));
+
+            Context.ResponseData.Write(SampleRate);
+            Context.ResponseData.Write(Channels);
+            Context.ResponseData.Write((int)Format);
+            Context.ResponseData.Write((int)PlaybackState.Stopped);
+
+            return 0;
+        }        
     }
-}
\ No newline at end of file
+}