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, 46 insertions, 0 deletions

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();
+        }
+    }
+}