Migrate Audio service to new IPC (#6285)

* Migrate audren to new IPC

* Migrate audout

* Migrate audin

* Migrate hwopus

* Bye bye old audio service

* Switch volume control to IHardwareDeviceDriver

* Somewhat unrelated changes

* Remove Concentus reference from HLE

* Implement OpenAudioRendererForManualExecution

* Remove SetVolume/GetVolume methods that are not necessary

* Remove SetVolume/GetVolume methods that are not necessary (2)

* Fix incorrect volume update

* PR feedback

* PR feedback

* Stub audrec

* Init outParameter

* Make FinalOutputRecorderParameter/Internal readonly

* Make FinalOutputRecorder IDisposable

* Fix HardwareOpusDecoderManager parameter buffers

* Opus work buffer size and error handling improvements

* Add AudioInProtocolName enum

* Fix potential divisions by zero

5 files changed, 213 insertions, 0 deletions

diff --git a/src/Ryujinx.Horizon/Audio/AudioMain.cs b/src/Ryujinx.Horizon/Audio/AudioMain.cs
new file mode 100644
index 00000000..92c9e804
--- /dev/null
+++ b/src/Ryujinx.Horizon/Audio/AudioMain.cs
@@ -0,0 +1,17 @@
+namespace Ryujinx.Horizon.Audio
+{
+    class AudioMain : IService
+    {
+        public static void Main(ServiceTable serviceTable)
+        {
+            AudioUserIpcServer ipcServer = new();
+
+            ipcServer.Initialize();
+
+            serviceTable.SignalServiceReady();
+
+            ipcServer.ServiceRequests();
+            ipcServer.Shutdown();
+        }
+    }
+}
diff --git a/src/Ryujinx.Horizon/Audio/AudioManagers.cs b/src/Ryujinx.Horizon/Audio/AudioManagers.cs
new file mode 100644
index 00000000..493a6f9b
--- /dev/null
+++ b/src/Ryujinx.Horizon/Audio/AudioManagers.cs
@@ -0,0 +1,78 @@
+using Ryujinx.Audio;
+using Ryujinx.Audio.Input;
+using Ryujinx.Audio.Integration;
+using Ryujinx.Audio.Output;
+using Ryujinx.Audio.Renderer.Device;
+using Ryujinx.Audio.Renderer.Server;
+using Ryujinx.Cpu;
+using Ryujinx.Horizon.Sdk.Audio;
+using System;
+
+namespace Ryujinx.Horizon.Audio
+{
+    class AudioManagers : IDisposable
+    {
+        public AudioManager AudioManager { get; }
+        public AudioOutputManager AudioOutputManager { get; }
+        public AudioInputManager AudioInputManager { get; }
+        public AudioRendererManager AudioRendererManager { get; }
+        public VirtualDeviceSessionRegistry AudioDeviceSessionRegistry { get; }
+
+        public AudioManagers(IHardwareDeviceDriver audioDeviceDriver, ITickSource tickSource)
+        {
+            AudioManager = new AudioManager();
+            AudioOutputManager = new AudioOutputManager();
+            AudioInputManager = new AudioInputManager();
+            AudioRendererManager = new AudioRendererManager(tickSource);
+            AudioDeviceSessionRegistry = new VirtualDeviceSessionRegistry(audioDeviceDriver);
+
+            IWritableEvent[] audioOutputRegisterBufferEvents = new IWritableEvent[Constants.AudioOutSessionCountMax];
+
+            for (int i = 0; i < audioOutputRegisterBufferEvents.Length; i++)
+            {
+                audioOutputRegisterBufferEvents[i] = new AudioEvent();
+            }
+
+            AudioOutputManager.Initialize(audioDeviceDriver, audioOutputRegisterBufferEvents);
+
+            IWritableEvent[] audioInputRegisterBufferEvents = new IWritableEvent[Constants.AudioInSessionCountMax];
+
+            for (int i = 0; i < audioInputRegisterBufferEvents.Length; i++)
+            {
+                audioInputRegisterBufferEvents[i] = new AudioEvent();
+            }
+
+            AudioInputManager.Initialize(audioDeviceDriver, audioInputRegisterBufferEvents);
+
+            IWritableEvent[] systemEvents = new IWritableEvent[Constants.AudioRendererSessionCountMax];
+
+            for (int i = 0; i < systemEvents.Length; i++)
+            {
+                systemEvents[i] = new AudioEvent();
+            }
+
+            AudioManager.Initialize(audioDeviceDriver.GetUpdateRequiredEvent(), AudioOutputManager.Update, AudioInputManager.Update);
+
+            AudioRendererManager.Initialize(systemEvents, audioDeviceDriver);
+
+            AudioManager.Start();
+        }
+
+        protected virtual void Dispose(bool disposing)
+        {
+            if (disposing)
+            {
+                AudioManager.Dispose();
+                AudioOutputManager.Dispose();
+                AudioInputManager.Dispose();
+                AudioRendererManager.Dispose();
+            }
+        }
+
+        public void Dispose()
+        {
+            Dispose(disposing: true);
+            GC.SuppressFinalize(this);
+        }
+    }
+}
diff --git a/src/Ryujinx.Horizon/Audio/AudioUserIpcServer.cs b/src/Ryujinx.Horizon/Audio/AudioUserIpcServer.cs
new file mode 100644
index 00000000..20c824e1
--- /dev/null
+++ b/src/Ryujinx.Horizon/Audio/AudioUserIpcServer.cs
@@ -0,0 +1,55 @@
+using Ryujinx.Horizon.Sdk.Audio.Detail;
+using Ryujinx.Horizon.Sdk.Sf.Hipc;
+using Ryujinx.Horizon.Sdk.Sm;
+
+namespace Ryujinx.Horizon.Audio
+{
+    class AudioUserIpcServer
+    {
+        private const int MaxSessionsCount = 30;
+
+        private const int PointerBufferSize = 0xB40;
+        private const int MaxDomains = 0;
+        private const int MaxDomainObjects = 0;
+        private const int MaxPortsCount = 1;
+
+        private static readonly ManagerOptions _options = new(PointerBufferSize, MaxDomains, MaxDomainObjects, false);
+
+        private SmApi _sm;
+        private ServerManager _serverManager;
+        private AudioManagers _managers;
+
+        public void Initialize()
+        {
+            HeapAllocator allocator = new();
+
+            _sm = new SmApi();
+            _sm.Initialize().AbortOnFailure();
+
+            _serverManager = new ServerManager(allocator, _sm, MaxPortsCount, _options, MaxSessionsCount);
+            _managers = new AudioManagers(HorizonStatic.Options.AudioDeviceDriver, HorizonStatic.Options.TickSource);
+
+            AudioRendererManager audioRendererManager = new(_managers.AudioRendererManager, _managers.AudioDeviceSessionRegistry);
+            AudioOutManager audioOutManager = new(_managers.AudioOutputManager);
+            AudioInManager audioInManager = new(_managers.AudioInputManager);
+            FinalOutputRecorderManager finalOutputRecorderManager = new();
+
+            _serverManager.RegisterObjectForServer(audioRendererManager, ServiceName.Encode("audren:u"), MaxSessionsCount);
+            _serverManager.RegisterObjectForServer(audioOutManager, ServiceName.Encode("audout:u"), MaxSessionsCount);
+            _serverManager.RegisterObjectForServer(audioInManager, ServiceName.Encode("audin:u"), MaxSessionsCount);
+            _serverManager.RegisterObjectForServer(finalOutputRecorderManager, ServiceName.Encode("audrec:u"), MaxSessionsCount);
+        }
+
+        public void ServiceRequests()
+        {
+            _serverManager.ServiceRequests();
+        }
+
+        public void Shutdown()
+        {
+            _serverManager.Dispose();
+            _managers.Dispose();
+            _sm.Dispose();
+        }
+    }
+}
diff --git a/src/Ryujinx.Horizon/Audio/HwopusIpcServer.cs b/src/Ryujinx.Horizon/Audio/HwopusIpcServer.cs
new file mode 100644
index 00000000..e60e033c
--- /dev/null
+++ b/src/Ryujinx.Horizon/Audio/HwopusIpcServer.cs
@@ -0,0 +1,46 @@
+using Ryujinx.Horizon.Sdk.Codec.Detail;
+using Ryujinx.Horizon.Sdk.Sf.Hipc;
+using Ryujinx.Horizon.Sdk.Sm;
+
+namespace Ryujinx.Horizon.Audio
+{
+    class HwopusIpcServer
+    {
+        private const int MaxSessionsCount = 24;
+
+        private const int PointerBufferSize = 0x1000;
+        private const int MaxDomains = 8;
+        private const int MaxDomainObjects = 256;
+        private const int MaxPortsCount = 1;
+
+        private static readonly ManagerOptions _options = new(PointerBufferSize, MaxDomains, MaxDomainObjects, false);
+
+        private SmApi _sm;
+        private ServerManager _serverManager;
+
+        public void Initialize()
+        {
+            HeapAllocator allocator = new();
+
+            _sm = new SmApi();
+            _sm.Initialize().AbortOnFailure();
+
+            _serverManager = new ServerManager(allocator, _sm, MaxPortsCount, _options, MaxSessionsCount);
+
+            HardwareOpusDecoderManager hardwareOpusDecoderManager = new();
+
+            _serverManager.RegisterObjectForServer(hardwareOpusDecoderManager, ServiceName.Encode("hwopus"), MaxSessionsCount);
+        }
+
+        public void ServiceRequests()
+        {
+            _serverManager.ServiceRequests();
+        }
+
+        public void Shutdown()
+        {
+            _serverManager.Dispose();
+            _sm.Dispose();
+        }
+    }
+}
diff --git a/src/Ryujinx.Horizon/Audio/HwopusMain.cs b/src/Ryujinx.Horizon/Audio/HwopusMain.cs
new file mode 100644
index 00000000..04eee3fa
--- /dev/null
+++ b/src/Ryujinx.Horizon/Audio/HwopusMain.cs
@@ -0,0 +1,17 @@
+namespace Ryujinx.Horizon.Audio
+{
+    class HwopusMain : IService
+    {
+        public static void Main(ServiceTable serviceTable)
+        {
+            HwopusIpcServer ipcServer = new();
+
+            ipcServer.Initialize();
+
+            serviceTable.SignalServiceReady();
+
+            ipcServer.ServiceRequests();
+            ipcServer.Shutdown();
+        }
+    }
+}