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, 30 insertions, 0 deletions

diff --git a/src/Ryujinx.Horizon/Sdk/Audio/Detail/AudioSnoopManager.cs b/src/Ryujinx.Horizon/Sdk/Audio/Detail/AudioSnoopManager.cs
new file mode 100644
index 00000000..cf1fe3d1
--- /dev/null
+++ b/src/Ryujinx.Horizon/Sdk/Audio/Detail/AudioSnoopManager.cs
@@ -0,0 +1,30 @@
+using Ryujinx.Horizon.Common;
+using Ryujinx.Horizon.Sdk.Sf;
+
+namespace Ryujinx.Horizon.Sdk.Audio.Detail
+{
+    partial class AudioSnoopManager : IAudioSnoopManager
+    {
+        // Note: The interface changed completely on firmware 17.0.0, this implementation is for older firmware.
+
+        [CmifCommand(0)]
+        public Result EnableDspUsageMeasurement()
+        {
+            return Result.Success;
+        }
+
+        [CmifCommand(1)]
+        public Result DisableDspUsageMeasurement()
+        {
+            return Result.Success;
+        }
+
+        [CmifCommand(6)]
+        public Result GetDspUsage(out uint usage)
+        {
+            usage = 0;
+
+            return Result.Success;
+        }
+    }
+}