amadeus: Update to REV9 (#2309)

* amadeus: Update to REV9

This implements all the changes made with REV9 on 12.0.0.

* Address Ac_k's comments

Ryujinx.Audio/Renderer/Parameter/Effect/LimiterStatistics.cs

@@ -0,0 +1,48 @@
+//
+// Copyright (c) 2019-2021 Ryujinx
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+//
+
+using Ryujinx.Common.Memory;
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Audio.Renderer.Parameter.Effect
+{
+    /// <summary>
+    /// Effect result state for <seealso cref="Common.EffectType.Limiter"/>.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 1)]
+    public struct LimiterStatistics
+    {
+        /// <summary>
+        /// The max input sample value recorded by the limiter.
+        /// </summary>
+        public Array6<float> InputMax;
+
+        /// <summary>
+        /// Compression gain min value.
+        /// </summary>
+        public Array6<float> CompressionGainMin;
+
+        /// <summary>
+        /// Reset the statistics.
+        /// </summary>
+        public void Reset()
+        {
+            InputMax.ToSpan().Fill(0.0f);
+            CompressionGainMin.ToSpan().Fill(1.0f);
+        }
+    }
+}