Update audio renderer to REV13: Add support for compressor statistics and volume reset (#7372)

* Update audio renderer to REV13: Add support for compressor statistics and volume reset

* XML docs

* Disable stats reset

* Wrong comment

* Fix more XML docs

* PR feedback

src/Ryujinx.Audio/Renderer/Parameter/Effect/CompressorParameter.cs

@@ -90,9 +90,16 @@ namespace Ryujinx.Audio.Renderer.Parameter.Effect
         public bool MakeupGainEnabled;
 
         /// <summary>
-        /// Reserved/padding.
+        /// Indicate if the compressor effect should output statistics.
         /// </summary>
-        private Array2<byte> _reserved;
+        [MarshalAs(UnmanagedType.I1)]
+        public bool StatisticsEnabled;
+
+        /// <summary>
+        /// Indicate to the DSP that the user did a statistics reset.
+        /// </summary>
+        [MarshalAs(UnmanagedType.I1)]
+        public bool StatisticsReset;
 
         /// <summary>
         /// Check if the <see cref="ChannelCount"/> is valid.

src/Ryujinx.Audio/Renderer/Parameter/Effect/CompressorStatistics.cs

@@ -0,0 +1,38 @@
+using Ryujinx.Common.Memory;
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Audio.Renderer.Parameter.Effect
+{
+    /// <summary>
+    /// Effect result state for <seealso cref="Common.EffectType.Compressor"/>.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 1)]
+    public struct CompressorStatistics
+    {
+        /// <summary>
+        /// Maximum input mean value since last reset.
+        /// </summary>
+        public float MaximumMean;
+
+        /// <summary>
+        /// Minimum output gain since last reset.
+        /// </summary>
+        public float MinimumGain;
+
+        /// <summary>
+        /// Last processed input sample, per channel.
+        /// </summary>
+        public Array6<float> LastSamples;
+
+        /// <summary>
+        /// Reset the statistics.
+        /// </summary>
+        /// <param name="channelCount">Number of channels to reset.</param>
+        public void Reset(ushort channelCount)
+        {
+            MaximumMean = 0.0f;
+            MinimumGain = 1.0f;
+            LastSamples.AsSpan()[..channelCount].Clear();
+        }
+    }
+}

src/Ryujinx.Audio/Renderer/Parameter/ISplitterDestinationInParameter.cs

@@ -28,6 +28,11 @@ namespace Ryujinx.Audio.Renderer.Parameter
         /// </summary>
         bool IsUsed { get; }
 
+        /// <summary>
+        /// Set to true to force resetting the previous mix volumes.
+        /// </summary>
+        bool ResetPrevVolume { get; }
+
         /// <summary>
         /// Mix buffer volumes.
         /// </summary>

src/Ryujinx.Audio/Renderer/Parameter/SplitterDestinationInParameterVersion1.cs

@@ -37,10 +37,16 @@ namespace Ryujinx.Audio.Renderer.Parameter
         [MarshalAs(UnmanagedType.I1)]
         public bool IsUsed;
 
+        /// <summary>
+        /// Set to true to force resetting the previous mix volumes.
+        /// </summary>
+        [MarshalAs(UnmanagedType.I1)]
+        public bool ResetPrevVolume;
+
         /// <summary>
         /// Reserved/padding.
         /// </summary>
-        private unsafe fixed byte _reserved[3];
+        private unsafe fixed byte _reserved[2];
 
         [StructLayout(LayoutKind.Sequential, Size = sizeof(float) * Constants.MixBufferCountMax, Pack = 1)]
         private struct MixArray { }
@@ -58,6 +64,7 @@ namespace Ryujinx.Audio.Renderer.Parameter
         readonly Array2<BiquadFilterParameter> ISplitterDestinationInParameter.BiquadFilters => default;
 
         readonly bool ISplitterDestinationInParameter.IsUsed => IsUsed;
+        readonly bool ISplitterDestinationInParameter.ResetPrevVolume => ResetPrevVolume;
 
         /// <summary>
         /// The expected constant of any input header.

src/Ryujinx.Audio/Renderer/Parameter/SplitterDestinationInParameterVersion2.cs

@@ -42,10 +42,16 @@ namespace Ryujinx.Audio.Renderer.Parameter
         [MarshalAs(UnmanagedType.I1)]
         public bool IsUsed;
 
+        /// <summary>
+        /// Set to true to force resetting the previous mix volumes.
+        /// </summary>
+        [MarshalAs(UnmanagedType.I1)]
+        public bool ResetPrevVolume;
+
         /// <summary>
         /// Reserved/padding.
         /// </summary>
-        private unsafe fixed byte _reserved[11];
+        private unsafe fixed byte _reserved[10];
 
         [StructLayout(LayoutKind.Sequential, Size = sizeof(float) * Constants.MixBufferCountMax, Pack = 1)]
         private struct MixArray { }
@@ -63,6 +69,7 @@ namespace Ryujinx.Audio.Renderer.Parameter
         readonly Array2<BiquadFilterParameter> ISplitterDestinationInParameter.BiquadFilters => BiquadFilters;
 
         readonly bool ISplitterDestinationInParameter.IsUsed => IsUsed;
+        readonly bool ISplitterDestinationInParameter.ResetPrevVolume => ResetPrevVolume;
 
         /// <summary>
         /// The expected constant of any input header.