Rename Ryujinx.Core to Ryujinx.HLE and add a separate project for a future LLE implementation

Ryujinx.HLE/OsHle/Services/Aud/AudioOutData.cs

@@ -0,0 +1,14 @@
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.HLE.OsHle.Services.Aud
+{
+    [StructLayout(LayoutKind.Sequential)]
+    struct AudioOutData
+    {
+        public long NextBufferPtr;
+        public long SampleBufferPtr;
+        public long SampleBufferCapacity;
+        public long SampleBufferSize;
+        public long SampleBufferInnerOffset;
+    }
+}

Ryujinx.HLE/OsHle/Services/Aud/IAudioDevice.cs

@@ -0,0 +1,222 @@
+using Ryujinx.HLE.Logging;
+using Ryujinx.HLE.OsHle.Handles;
+using Ryujinx.HLE.OsHle.Ipc;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Ryujinx.HLE.OsHle.Services.Aud
+{
+    class IAudioDevice : IpcService
+    {
+        private Dictionary<int, ServiceProcessRequest> m_Commands;
+
+        public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
+
+        private KEvent SystemEvent;
+
+        public IAudioDevice()
+        {
+            m_Commands = new Dictionary<int, ServiceProcessRequest>()
+            {
+                { 0,  ListAudioDeviceName            },
+                { 1,  SetAudioDeviceOutputVolume     },
+                { 3,  GetActiveAudioDeviceName       },
+                { 4,  QueryAudioDeviceSystemEvent    },
+                { 5,  GetActiveChannelCount          },
+                { 6,  ListAudioDeviceNameAuto        },
+                { 7,  SetAudioDeviceOutputVolumeAuto },
+                { 8,  GetAudioDeviceOutputVolumeAuto },
+                { 10, GetActiveAudioDeviceNameAuto   },
+                { 11, QueryAudioDeviceInputEvent     },
+                { 12, QueryAudioDeviceOutputEvent    }
+            };
+
+            SystemEvent = new KEvent();
+
+            //TODO: We shouldn't be signaling this here.
+            SystemEvent.WaitEvent.Set();
+        }
+
+        public long ListAudioDeviceName(ServiceCtx Context)
+        {
+            string[] DeviceNames = SystemStateMgr.AudioOutputs;
+
+            Context.ResponseData.Write(DeviceNames.Length);
+
+            long Position = Context.Request.ReceiveBuff[0].Position;
+            long Size     = Context.Request.ReceiveBuff[0].Size;
+
+            long BasePosition = Position;
+
+            foreach (string Name in DeviceNames)
+            {
+                byte[] Buffer = Encoding.ASCII.GetBytes(Name + "\0");
+
+                if ((Position - BasePosition) + Buffer.Length > Size)
+                {
+                    Context.Ns.Log.PrintError(LogClass.ServiceAudio, $"Output buffer size {Size} too small!");
+
+                    break;
+                }
+
+                Context.Memory.WriteBytes(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;
+
+            byte[] DeviceNameBuffer = Context.Memory.ReadBytes(Position, Size);
+
+            string DeviceName = Encoding.ASCII.GetString(DeviceNameBuffer);
+
+            Context.Ns.Log.PrintStub(LogClass.ServiceAudio, "Stubbed.");
+
+            return 0;
+        }
+
+        public long GetActiveAudioDeviceName(ServiceCtx Context)
+        {
+            string Name = Context.Ns.Os.SystemState.ActiveAudioOutput;
+
+            long Position = Context.Request.ReceiveBuff[0].Position;
+            long Size     = Context.Request.ReceiveBuff[0].Size;
+
+            byte[] DeviceNameBuffer = Encoding.ASCII.GetBytes(Name + "\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!");
+            }
+
+            return 0;
+        }
+
+        public long QueryAudioDeviceSystemEvent(ServiceCtx Context)
+        {
+            int Handle = Context.Process.HandleTable.OpenHandle(SystemEvent);
+
+            Context.Response.HandleDesc = IpcHandleDesc.MakeCopy(Handle);
+
+            Context.Ns.Log.PrintStub(LogClass.ServiceAudio, "Stubbed.");
+
+            return 0;
+        }
+
+        public long GetActiveChannelCount(ServiceCtx Context)
+        {
+            Context.ResponseData.Write(2);
+
+            Context.Ns.Log.PrintStub(LogClass.ServiceAudio, "Stubbed.");
+
+            return 0;
+        }
+
+        public long ListAudioDeviceNameAuto(ServiceCtx Context)
+        {
+            string[] DeviceNames = SystemStateMgr.AudioOutputs;
+
+            Context.ResponseData.Write(DeviceNames.Length);
+
+            (long Position, long Size) = Context.Request.GetBufferType0x22();
+
+            long BasePosition = Position;
+
+            foreach (string Name in DeviceNames)
+            {
+                byte[] Buffer = Encoding.UTF8.GetBytes(Name + '\0');
+
+                if ((Position - BasePosition) + Buffer.Length > Size)
+                {
+                    Context.Ns.Log.PrintError(LogClass.ServiceAudio, $"Output buffer size {Size} too small!");
+
+                    break;
+                }
+
+                Context.Memory.WriteBytes(Position, Buffer);
+
+                Position += Buffer.Length;
+            }
+
+            return 0;
+        }
+
+        public long SetAudioDeviceOutputVolumeAuto(ServiceCtx Context)
+        {
+            float Volume = Context.RequestData.ReadSingle();
+
+            (long Position, long Size) = Context.Request.GetBufferType0x21();
+
+            byte[] DeviceNameBuffer = Context.Memory.ReadBytes(Position, Size);
+
+            string DeviceName = Encoding.UTF8.GetString(DeviceNameBuffer);
+
+            Context.Ns.Log.PrintStub(LogClass.ServiceAudio, "Stubbed.");
+
+            return 0;
+        }
+
+        public long GetAudioDeviceOutputVolumeAuto(ServiceCtx Context)
+        {
+            Context.ResponseData.Write(1f);
+
+            Context.Ns.Log.PrintStub(LogClass.ServiceAudio, "Stubbed.");
+
+            return 0;
+        }
+
+        public long GetActiveAudioDeviceNameAuto(ServiceCtx Context)
+        {
+            string Name = Context.Ns.Os.SystemState.ActiveAudioOutput;
+
+            (long Position, long Size) = Context.Request.GetBufferType0x22();
+
+            byte[] DeviceNameBuffer = Encoding.UTF8.GetBytes(Name + '\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!");
+            }
+
+            return 0;
+        }
+
+        public long QueryAudioDeviceInputEvent(ServiceCtx Context)
+        {
+            int Handle = Context.Process.HandleTable.OpenHandle(SystemEvent);
+
+            Context.Response.HandleDesc = IpcHandleDesc.MakeCopy(Handle);
+
+            Context.Ns.Log.PrintStub(LogClass.ServiceAudio, "Stubbed.");
+
+            return 0;
+        }
+
+        public long QueryAudioDeviceOutputEvent(ServiceCtx Context)
+        {
+            int Handle = Context.Process.HandleTable.OpenHandle(SystemEvent);
+
+            Context.Response.HandleDesc = IpcHandleDesc.MakeCopy(Handle);
+
+            Context.Ns.Log.PrintStub(LogClass.ServiceAudio, "Stubbed.");
+
+            return 0;
+        }
+    }
+}

Ryujinx.HLE/OsHle/Services/Aud/IAudioOut.cs

@@ -0,0 +1,154 @@
+using ChocolArm64.Memory;
+using Ryujinx.Audio;
+using Ryujinx.HLE.Logging;
+using Ryujinx.HLE.OsHle.Handles;
+using Ryujinx.HLE.OsHle.Ipc;
+using System;
+using System.Collections.Generic;
+
+namespace Ryujinx.HLE.OsHle.Services.Aud
+{
+    class IAudioOut : IpcService, IDisposable
+    {
+        private Dictionary<int, ServiceProcessRequest> m_Commands;
+
+        public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
+
+        private IAalOutput AudioOut;
+
+        private KEvent ReleaseEvent;
+
+        private int Track;
+
+        public IAudioOut(IAalOutput AudioOut, KEvent ReleaseEvent, int Track)
+        {
+            m_Commands = new Dictionary<int, ServiceProcessRequest>()
+            {
+                { 0, GetAudioOutState            },
+                { 1, StartAudioOut               },
+                { 2, StopAudioOut                },
+                { 3, AppendAudioOutBuffer        },
+                { 4, RegisterBufferEvent         },
+                { 5, GetReleasedAudioOutBuffer   },
+                { 6, ContainsAudioOutBuffer      },
+                { 7, AppendAudioOutBufferEx      },
+                { 8, GetReleasedAudioOutBufferEx }
+            };
+
+            this.AudioOut     = AudioOut;
+            this.ReleaseEvent = ReleaseEvent;
+            this.Track        = Track;
+        }
+
+        public long GetAudioOutState(ServiceCtx Context)
+        {
+            Context.ResponseData.Write((int)AudioOut.GetState(Track));
+
+            return 0;
+        }
+
+        public long StartAudioOut(ServiceCtx Context)
+        {
+            AudioOut.Start(Track);
+
+            return 0;
+        }
+
+        public long StopAudioOut(ServiceCtx Context)
+        {
+            AudioOut.Stop(Track);
+
+            return 0;
+        }
+
+        public long AppendAudioOutBuffer(ServiceCtx Context)
+        {
+            long Tag = Context.RequestData.ReadInt64();
+
+            AudioOutData Data = AMemoryHelper.Read<AudioOutData>(
+                Context.Memory,
+                Context.Request.SendBuff[0].Position);
+
+            byte[] Buffer = Context.Memory.ReadBytes(
+                Data.SampleBufferPtr,
+                Data.SampleBufferSize);
+
+            AudioOut.AppendBuffer(Track, Tag, Buffer);
+
+            return 0;
+        }
+
+        public long RegisterBufferEvent(ServiceCtx Context)
+        {
+            int Handle = Context.Process.HandleTable.OpenHandle(ReleaseEvent);
+
+            Context.Response.HandleDesc = IpcHandleDesc.MakeCopy(Handle);
+
+            return 0;
+        }
+
+        public long GetReleasedAudioOutBuffer(ServiceCtx Context)
+        {
+            long Position = Context.Request.ReceiveBuff[0].Position;
+            long Size     = Context.Request.ReceiveBuff[0].Size;
+
+            uint Count = (uint)((ulong)Size >> 3);
+
+            long[] ReleasedBuffers = AudioOut.GetReleasedBuffers(Track, (int)Count);
+
+            for (uint Index = 0; Index < Count; Index++)
+            {
+                long Tag = 0;
+
+                if (Index < ReleasedBuffers.Length)
+                {
+                    Tag = ReleasedBuffers[Index];
+                }
+
+                Context.Memory.WriteInt64(Position + Index * 8, Tag);
+            }
+
+            Context.ResponseData.Write(ReleasedBuffers.Length);
+
+            return 0;
+        }
+
+        public long ContainsAudioOutBuffer(ServiceCtx Context)
+        {
+            long Tag = Context.RequestData.ReadInt64();
+
+            Context.ResponseData.Write(AudioOut.ContainsBuffer(Track, Tag) ? 1 : 0);
+
+            return 0;
+        }
+
+        public long AppendAudioOutBufferEx(ServiceCtx Context)
+        {
+            Context.Ns.Log.PrintStub(LogClass.ServiceAudio, "Stubbed.");
+
+            return 0;
+        }
+
+        public long GetReleasedAudioOutBufferEx(ServiceCtx Context)
+        {
+            Context.Ns.Log.PrintStub(LogClass.ServiceAudio, "Stubbed.");
+
+            return 0;
+        }
+
+        public void Dispose()
+        {
+            Dispose(true);
+        }
+
+        protected virtual void Dispose(bool Disposing)
+        {
+            if (Disposing)
+            {
+                AudioOut.CloseTrack(Track);
+
+                ReleaseEvent.Dispose();
+            }
+        }
+    }
+}

Ryujinx.HLE/OsHle/Services/Aud/IAudioOutManager.cs

@@ -0,0 +1,115 @@
+using ChocolArm64.Memory;
+using Ryujinx.Audio;
+using Ryujinx.HLE.Logging;
+using Ryujinx.HLE.OsHle.Handles;
+using Ryujinx.HLE.OsHle.Ipc;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Ryujinx.HLE.OsHle.Services.Aud
+{
+    class IAudioOutManager : IpcService
+    {
+        private const string DefaultAudioOutput = "DeviceOut";
+
+        private Dictionary<int, ServiceProcessRequest> m_Commands;
+
+        public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
+
+        public IAudioOutManager()
+        {
+            m_Commands = new Dictionary<int, ServiceProcessRequest>()
+            {
+                { 0, ListAudioOuts },
+                { 1, OpenAudioOut  }
+            };
+        }
+
+        public long ListAudioOuts(ServiceCtx Context)
+        {
+            long Position = Context.Request.ReceiveBuff[0].Position;
+            long Size     = Context.Request.ReceiveBuff[0].Size;
+
+            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 OpenAudioOut(ServiceCtx Context)
+        {
+            IAalOutput AudioOut = Context.Ns.AudioOut;
+
+            string DeviceName = AMemoryHelper.ReadAsciiString(
+                Context.Memory,
+                Context.Request.SendBuff[0].Position,
+                Context.Request.SendBuff[0].Size);
+
+            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;
+        }
+    }
+}

Ryujinx.HLE/OsHle/Services/Aud/IAudioRenderer.cs

@@ -0,0 +1,92 @@
+using Ryujinx.HLE.Logging;
+using Ryujinx.HLE.OsHle.Handles;
+using Ryujinx.HLE.OsHle.Ipc;
+using System;
+using System.Collections.Generic;
+
+namespace Ryujinx.HLE.OsHle.Services.Aud
+{
+    class IAudioRenderer : IpcService, IDisposable
+    {
+        private Dictionary<int, ServiceProcessRequest> m_Commands;
+
+        public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
+
+        private KEvent UpdateEvent;
+
+        public IAudioRenderer()
+        {
+            m_Commands = new Dictionary<int, ServiceProcessRequest>()
+            {
+                { 4, RequestUpdateAudioRenderer },
+                { 5, StartAudioRenderer         },
+                { 6, StopAudioRenderer          },
+                { 7, QuerySystemEvent           }
+            };
+
+            UpdateEvent = new KEvent();
+        }
+
+        public long RequestUpdateAudioRenderer(ServiceCtx Context)
+        {
+            //(buffer<unknown, 5, 0>) -> (buffer<unknown, 6, 0>, buffer<unknown, 6, 0>)
+
+            long Position = Context.Request.ReceiveBuff[0].Position;
+
+            //0x40 bytes header
+            Context.Memory.WriteInt32(Position + 0x4, 0xb0); //Behavior Out State Size? (note: this is the last section)
+            Context.Memory.WriteInt32(Position + 0x8, 0x18e0); //Memory Pool Out State Size?
+            Context.Memory.WriteInt32(Position + 0xc, 0x600); //Voice Out State Size?
+            Context.Memory.WriteInt32(Position + 0x14, 0xe0); //Effect Out State Size?
+            Context.Memory.WriteInt32(Position + 0x1c, 0x20); //Sink Out State Size?
+            Context.Memory.WriteInt32(Position + 0x20, 0x10); //Performance Out State Size?
+            Context.Memory.WriteInt32(Position + 0x3c, 0x20e0); //Total Size (including 0x40 bytes header)
+
+            for (int Offset = 0x40; Offset < 0x40 + 0x18e0; Offset += 0x10)
+            {
+                Context.Memory.WriteInt32(Position + Offset, 5);
+            }
+
+            //TODO: We shouldn't be signaling this here.
+            UpdateEvent.WaitEvent.Set();
+
+            return 0;
+        }
+
+        public long StartAudioRenderer(ServiceCtx Context)
+        {
+            Context.Ns.Log.PrintStub(LogClass.ServiceAudio, "Stubbed.");
+
+            return 0;
+        }
+
+        public long StopAudioRenderer(ServiceCtx Context)
+        {
+            Context.Ns.Log.PrintStub(LogClass.ServiceAudio, "Stubbed.");
+
+            return 0;
+        }
+
+        public long QuerySystemEvent(ServiceCtx Context)
+        {
+            int Handle = Context.Process.HandleTable.OpenHandle(UpdateEvent);
+
+            Context.Response.HandleDesc = IpcHandleDesc.MakeCopy(Handle);
+
+            return 0;
+        }
+
+        public void Dispose()
+        {
+            Dispose(true);
+        }
+
+        protected virtual void Dispose(bool Disposing)
+        {
+            if (Disposing)
+            {
+                UpdateEvent.Dispose();
+            }
+        }
+    }
+}

Ryujinx.HLE/OsHle/Services/Aud/IAudioRendererManager.cs

@@ -0,0 +1,135 @@
+using Ryujinx.HLE.Logging;
+using Ryujinx.HLE.OsHle.Ipc;
+using System.Collections.Generic;
+
+namespace Ryujinx.HLE.OsHle.Services.Aud
+{
+    class IAudioRendererManager : IpcService
+    {
+        private const int Rev0Magic = ('R' << 0)  |
+                                      ('E' << 8)  |
+                                      ('V' << 16) |
+                                      ('0' << 24);
+
+        private Dictionary<int, ServiceProcessRequest> m_Commands;
+
+        public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
+
+        public IAudioRendererManager()
+        {
+            m_Commands = new Dictionary<int, ServiceProcessRequest>()
+            {
+                { 0, OpenAudioRenderer              },
+                { 1, GetAudioRendererWorkBufferSize },
+                { 2, GetAudioDevice                 }
+            };
+        }
+
+        public long OpenAudioRenderer(ServiceCtx Context)
+        {
+            //Same buffer as GetAudioRendererWorkBufferSize is receive here.
+
+            MakeObject(Context, new IAudioRenderer());
+
+            return 0;
+        }
+
+        public long GetAudioRendererWorkBufferSize(ServiceCtx Context)
+        {
+            long SampleRate = Context.RequestData.ReadUInt32();
+            long Unknown4   = Context.RequestData.ReadUInt32();
+            long Unknown8   = Context.RequestData.ReadUInt32();
+            long UnknownC   = Context.RequestData.ReadUInt32();
+            long Unknown10  = Context.RequestData.ReadUInt32(); //VoiceCount
+            long Unknown14  = Context.RequestData.ReadUInt32(); //SinkCount
+            long Unknown18  = Context.RequestData.ReadUInt32(); //EffectCount
+            long Unknown1c  = Context.RequestData.ReadUInt32(); //Boolean
+            long Unknown20  = Context.RequestData.ReadUInt32(); //Not used here in FW3.0.1 - Boolean
+            long Unknown24  = Context.RequestData.ReadUInt32();
+            long Unknown28  = Context.RequestData.ReadUInt32(); //SplitterCount
+            long Unknown2c  = Context.RequestData.ReadUInt32(); //Not used here in FW3.0.1
+            int RevMagic    = Context.RequestData.ReadInt32();
+
+            int Version = (RevMagic - Rev0Magic) >> 24;
+
+            if (Version <= 3) //REV3 Max is supported
+            {
+                long Size  = RoundUp(Unknown8 * 4, 64);
+                     Size += (UnknownC << 10);
+                     Size += (UnknownC + 1) * 0x940;
+                     Size += Unknown10 * 0x3F0;
+                     Size += RoundUp((UnknownC + 1) * 8, 16);
+                     Size += RoundUp(Unknown10 * 8, 16);
+                     Size += RoundUp((0x3C0 * (Unknown14 + UnknownC) + 4 * Unknown4) * (Unknown8 + 6), 64);
+                     Size += 0x2C0 * (Unknown14 + UnknownC) + 0x30 * (Unknown18 + (4 * Unknown10)) + 0x50;
+
+                if (Version >= 3) //IsSplitterSupported
+                {
+                    Size += RoundUp((NodeStatesGetWorkBufferSize((int)UnknownC + 1) + EdgeMatrixGetWorkBufferSize((int)UnknownC + 1)), 16);
+                    Size += 0xE0 * Unknown28 + 0x20 * Unknown24 + RoundUp(Unknown28 * 4, 16);
+                }
+
+                Size = 0x4C0 * Unknown18 + RoundUp(Size, 64) + 0x170 * Unknown14 + ((Unknown10 << 8) | 0x40);
+
+                if (Unknown1c >= 1)
+                {
+                    Size += ((((Unknown18 + Unknown14 + Unknown10 + UnknownC + 1) * 16) + 0x658) * (Unknown1c + 1) + 0x13F) & ~0x3FL;
+                }
+
+                long WorkBufferSize = (Size + 0x1907D) & ~0xFFFL;
+
+                Context.ResponseData.Write(WorkBufferSize);
+
+                Context.Ns.Log.PrintDebug(LogClass.ServiceAudio, $"WorkBufferSize is 0x{WorkBufferSize:x16}.");
+
+                return 0;
+            }
+            else
+            {
+                Context.ResponseData.Write(0L);
+
+                Context.Ns.Log.PrintError(LogClass.ServiceAudio, $"Library Revision 0x{RevMagic:x8} is not supported!");
+
+                return 0x499;
+            }
+        }
+
+        private static long RoundUp(long Value, int Size)
+        {
+            return (Value + (Size - 1)) & ~((long)Size - 1);
+        }
+
+        private static int NodeStatesGetWorkBufferSize(int Value)
+        {
+            int Result = (int)RoundUp(Value, 64);
+
+            if (Result < 0)
+            {
+                Result |= 7;
+            }
+
+            return 4 * (Value * Value) + 0x12 * Value + 2 * (Result / 8);
+        }
+
+        private static int EdgeMatrixGetWorkBufferSize(int Value)
+        {
+            int Result = (int)RoundUp(Value * Value, 64);
+
+            if (Result < 0)
+            {
+                Result |= 7;
+            }
+
+            return Result / 8;
+        }
+
+        public long GetAudioDevice(ServiceCtx Context)
+        {
+            long UserId = Context.RequestData.ReadInt64();
+
+            MakeObject(Context, new IAudioDevice());
+
+            return 0;
+        }
+    }
+}