audren: Fix AudioRenderer implementation (#773)

* Fix AudioRenderer implementation

According to RE:
- `GetAudioRendererWorkBufferSize` is updated and improved to support `REV7`
- `RequestUpdateAudioRenderer` is updated to `REV7` too

Should improve results on recent game and close #718 and #707

* Fix NodeStates.GetWorkBufferSize

* Use BitUtils instead of IntUtils

* Nits

1 files changed, 9 insertions, 0 deletions

diff --git a/Ryujinx.HLE/HOS/Services/Audio/AudioRendererManager/AudioRendererCommon.cs b/Ryujinx.HLE/HOS/Services/Audio/AudioRendererManager/AudioRendererCommon.cs
new file mode 100644
index 00000000..c884b465
--- /dev/null
+++ b/Ryujinx.HLE/HOS/Services/Audio/AudioRendererManager/AudioRendererCommon.cs
@@ -0,0 +1,9 @@
+namespace Ryujinx.HLE.HOS.Services.Audio.AudioRendererManager
+{
+    static class AudioRendererCommon
+    {
+        public static bool CheckValidRevision(AudioRendererParameter parameters)      => GetRevisionVersion(parameters.Revision) <= AudioRendererConsts.Revision;
+        public static bool CheckFeatureSupported(int revision, int supportedRevision) => revision >= supportedRevision;
+        public static int  GetRevisionVersion(int revision)                           => (revision - AudioRendererConsts.Rev0Magic) >> 24;
+    }
+}
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