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, 23 insertions, 0 deletions

diff --git a/src/Ryujinx.Horizon/Sdk/Audio/Detail/AudioInProtocol.cs b/src/Ryujinx.Horizon/Sdk/Audio/Detail/AudioInProtocol.cs
new file mode 100644
index 00000000..48785f1c
--- /dev/null
+++ b/src/Ryujinx.Horizon/Sdk/Audio/Detail/AudioInProtocol.cs
@@ -0,0 +1,23 @@
+using Ryujinx.Common.Memory;
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Horizon.Sdk.Audio.Detail
+{
+    [StructLayout(LayoutKind.Sequential, Size = 0x8, Pack = 0x1)]
+    struct AudioInProtocol
+    {
+        public AudioInProtocolName Name;
+        public Array7<byte> Padding;
+
+        public AudioInProtocol(AudioInProtocolName name)
+        {
+            Name = name;
+            Padding = new();
+        }
+
+        public override readonly string ToString()
+        {
+            return Name.ToString();
+        }
+    }
+}