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

1 files changed, 147 insertions, 0 deletions

diff --git a/src/Ryujinx.Horizon/Sdk/Audio/Detail/FinalOutputRecorder.cs b/src/Ryujinx.Horizon/Sdk/Audio/Detail/FinalOutputRecorder.cs
new file mode 100644
index 00000000..39391437
--- /dev/null
+++ b/src/Ryujinx.Horizon/Sdk/Audio/Detail/FinalOutputRecorder.cs
@@ -0,0 +1,147 @@
+using Ryujinx.Common.Logging;
+using Ryujinx.Horizon.Common;
+using Ryujinx.Horizon.Sdk.OsTypes;
+using Ryujinx.Horizon.Sdk.Sf;
+using Ryujinx.Horizon.Sdk.Sf.Hipc;
+using System;
+
+namespace Ryujinx.Horizon.Sdk.Audio.Detail
+{
+    partial class FinalOutputRecorder : IFinalOutputRecorder, IDisposable
+    {
+        private int _processHandle;
+        private SystemEventType _event;
+
+        public FinalOutputRecorder(int processHandle)
+        {
+            _processHandle = processHandle;
+            Os.CreateSystemEvent(out _event, EventClearMode.ManualClear, interProcess: true);
+        }
+
+        [CmifCommand(0)]
+        public Result GetFinalOutputRecorderState(out uint state)
+        {
+            state = 0;
+
+            Logger.Stub?.PrintStub(LogClass.ServiceAudio);
+
+            return Result.Success;
+        }
+
+        [CmifCommand(1)]
+        public Result Start()
+        {
+            Logger.Stub?.PrintStub(LogClass.ServiceAudio);
+
+            return Result.Success;
+        }
+
+        [CmifCommand(2)]
+        public Result Stop()
+        {
+            Logger.Stub?.PrintStub(LogClass.ServiceAudio);
+
+            return Result.Success;
+        }
+
+        [CmifCommand(3)]
+        public Result AppendFinalOutputRecorderBuffer([Buffer(HipcBufferFlags.In | HipcBufferFlags.MapAlias)] ReadOnlySpan<byte> buffer, ulong bufferClientPtr)
+        {
+            Logger.Stub?.PrintStub(LogClass.ServiceAudio, new { bufferClientPtr });
+
+            return Result.Success;
+        }
+
+        [CmifCommand(4)]
+        public Result RegisterBufferEvent([CopyHandle] out int eventHandle)
+        {
+            eventHandle = Os.GetReadableHandleOfSystemEvent(ref _event);
+
+            Logger.Stub?.PrintStub(LogClass.ServiceAudio);
+
+            return Result.Success;
+        }
+
+        [CmifCommand(5)]
+        public Result GetReleasedFinalOutputRecorderBuffers([Buffer(HipcBufferFlags.Out | HipcBufferFlags.MapAlias)] Span<byte> buffer, out uint count, out ulong released)
+        {
+            count = 0;
+            released = 0;
+
+            Logger.Stub?.PrintStub(LogClass.ServiceAudio);
+
+            return Result.Success;
+        }
+
+        [CmifCommand(6)]
+        public Result ContainsFinalOutputRecorderBuffer(ulong bufferPointer, out bool contains)
+        {
+            contains = false;
+
+            Logger.Stub?.PrintStub(LogClass.ServiceAudio, new { bufferPointer });
+
+            return Result.Success;
+        }
+
+        [CmifCommand(7)]
+        public Result GetFinalOutputRecorderBufferEndTime(ulong bufferPointer, out ulong released)
+        {
+            released = 0;
+
+            Logger.Stub?.PrintStub(LogClass.ServiceAudio, new { bufferPointer });
+
+            return Result.Success;
+        }
+
+        [CmifCommand(8)] // 3.0.0+
+        public Result AppendFinalOutputRecorderBufferAuto([Buffer(HipcBufferFlags.In | HipcBufferFlags.AutoSelect)] ReadOnlySpan<byte> buffer, ulong bufferClientPtr)
+        {
+            return AppendFinalOutputRecorderBuffer(buffer, bufferClientPtr);
+        }
+
+        [CmifCommand(9)] // 3.0.0+
+        public Result GetReleasedFinalOutputRecorderBuffersAuto([Buffer(HipcBufferFlags.Out | HipcBufferFlags.AutoSelect)] Span<byte> buffer, out uint count, out ulong released)
+        {
+            return GetReleasedFinalOutputRecorderBuffers(buffer, out count, out released);
+        }
+
+        [CmifCommand(10)] // 6.0.0+
+        public Result FlushFinalOutputRecorderBuffers(out bool pending)
+        {
+            pending = false;
+
+            Logger.Stub?.PrintStub(LogClass.ServiceAudio);
+
+            return Result.Success;
+        }
+
+        [CmifCommand(11)] // 9.0.0+
+        public Result AttachWorkBuffer(FinalOutputRecorderParameterInternal parameter)
+        {
+            Logger.Stub?.PrintStub(LogClass.ServiceAudio, new { parameter });
+
+            return Result.Success;
+        }
+
+        protected virtual void Dispose(bool disposing)
+        {
+            if (disposing)
+            {
+                Os.DestroySystemEvent(ref _event);
+
+                if (_processHandle != 0)
+                {
+                    HorizonStatic.Syscall.CloseHandle(_processHandle);
+
+                    _processHandle = 0;
+                }
+            }
+        }
+
+        public void Dispose()
+        {
+            Dispose(disposing: true);
+            GC.SuppressFinalize(this);
+        }
+    }
+}