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/AuxiliaryBufferParameter.cs

@@ -21,7 +21,7 @@ using System.Runtime.InteropServices;
 namespace Ryujinx.Audio.Renderer.Parameter.Effect
 {
     /// <summary>
-    /// <see cref="EffectInParameter.SpecificData"/> for <see cref="Common.EffectType.AuxiliaryBuffer"/>.
+    /// <see cref="IEffectInParameter.SpecificData"/> for <see cref="Common.EffectType.AuxiliaryBuffer"/>.
     /// </summary>
     [StructLayout(LayoutKind.Sequential, Pack = 1)]
     public struct AuxiliaryBufferParameter

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

@@ -22,7 +22,7 @@ using System.Runtime.InteropServices;
 namespace Ryujinx.Audio.Renderer.Parameter.Effect
 {
     /// <summary>
-    /// <see cref="EffectInParameter.SpecificData"/> for <see cref="Common.EffectType.BiquadFilter"/>.
+    /// <see cref="IEffectInParameter.SpecificData"/> for <see cref="Common.EffectType.BiquadFilter"/>.
     /// </summary>
     [StructLayout(LayoutKind.Sequential, Pack = 1)]
     public struct BiquadFilterEffectParameter

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

@@ -21,7 +21,7 @@ using System.Runtime.InteropServices;
 namespace Ryujinx.Audio.Renderer.Parameter.Effect
 {
     /// <summary>
-    /// <see cref="EffectInParameter.SpecificData"/> for <see cref="Common.EffectType.BufferMix"/>.
+    /// <see cref="IEffectInParameter.SpecificData"/> for <see cref="Common.EffectType.BufferMix"/>.
     /// </summary>
     [StructLayout(LayoutKind.Sequential, Pack = 1)]
     public struct BufferMixParameter

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

@@ -22,7 +22,7 @@ using System.Runtime.InteropServices;
 namespace Ryujinx.Audio.Renderer.Parameter.Effect
 {
     /// <summary>
-    /// <see cref="EffectInParameter.SpecificData"/> for <see cref="Common.EffectType.Delay"/>.
+    /// <see cref="IEffectInParameter.SpecificData"/> for <see cref="Common.EffectType.Delay"/>.
     /// </summary>
     [StructLayout(LayoutKind.Sequential, Pack = 1)]
     public struct DelayParameter
@@ -103,7 +103,7 @@ namespace Ryujinx.Audio.Renderer.Parameter.Effect
         /// <returns>Returns true if the <see cref="ChannelCount"/> is valid.</returns>
         public bool IsChannelCountValid()
         {
-            return EffectInParameter.IsChannelCountValid(ChannelCount);
+            return EffectInParameterVersion1.IsChannelCountValid(ChannelCount);
         }
 
         /// <summary>
@@ -112,7 +112,7 @@ namespace Ryujinx.Audio.Renderer.Parameter.Effect
         /// <returns>Returns true if the <see cref="ChannelCountMax"/> is valid.</returns>
         public bool IsChannelCountMaxValid()
         {
-            return EffectInParameter.IsChannelCountValid(ChannelCountMax);
+            return EffectInParameterVersion1.IsChannelCountValid(ChannelCountMax);
         }
     }
 }

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

@@ -0,0 +1,155 @@
+//
+// 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.Audio.Renderer.Server.Effect;
+using Ryujinx.Common.Memory;
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Audio.Renderer.Parameter.Effect
+{
+    /// <summary>
+    /// <see cref="IEffectInParameter.SpecificData"/> for <see cref="Common.EffectType.Limiter"/>.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 1)]
+    public struct LimiterParameter
+    {
+        /// <summary>
+        /// The input channel indices that will be used by the <see cref="Dsp.AudioProcessor"/>.
+        /// </summary>
+        public Array6<byte> Input;
+
+        /// <summary>
+        /// The output channel indices that will be used by the <see cref="Dsp.AudioProcessor"/>.
+        /// </summary>
+        public Array6<byte> Output;
+
+        /// <summary>
+        /// The maximum number of channels supported.
+        /// </summary>
+        public ushort ChannelCountMax;
+
+        /// <summary>
+        /// The total channel count used.
+        /// </summary>
+        public ushort ChannelCount;
+
+        /// <summary>
+        /// The target sample rate.
+        /// </summary>
+        /// <remarks>This is in kHz.</remarks>
+        public int SampleRate;
+
+        /// <summary>
+        /// The look ahead max time.
+        /// <remarks>This is in microseconds.</remarks>
+        /// </summary>
+        public int LookAheadTimeMax;
+
+        /// <summary>
+        /// The attack time.
+        /// <remarks>This is in microseconds.</remarks>
+        /// </summary>
+        public int AttackTime;
+
+        /// <summary>
+        /// The release time.
+        /// <remarks>This is in microseconds.</remarks>
+        /// </summary>
+        public int ReleaseTime;
+
+        /// <summary>
+        /// The look ahead time.
+        /// <remarks>This is in microseconds.</remarks>
+        /// </summary>
+        public int LookAheadTime;
+
+        /// <summary>
+        /// The attack coefficient.
+        /// </summary>
+        public float AttackCoefficient;
+
+        /// <summary>
+        /// The release coefficient.
+        /// </summary>
+        public float ReleaseCoefficient;
+
+        /// <summary>
+        /// The threshold.
+        /// </summary>
+        public float Threshold;
+
+        /// <summary>
+        /// The input gain.
+        /// </summary>
+        public float InputGain;
+
+        /// <summary>
+        /// The output gain.
+        /// </summary>
+        public float OutputGain;
+
+        /// <summary>
+        /// The minimum samples stored in the delay buffer.
+        /// </summary>
+        public int DelayBufferSampleCountMin;
+
+        /// <summary>
+        /// The maximum samples stored in the delay buffer.
+        /// </summary>
+        public int DelayBufferSampleCountMax;
+
+        /// <summary>
+        /// The current usage status of the effect on the client side.
+        /// </summary>
+        public UsageState Status;
+
+        /// <summary>
+        /// Indicate if the limiter effect should output statistics.
+        /// </summary>
+        [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>
+        /// Reserved/padding.
+        /// </summary>
+        private byte _reserved;
+
+        /// <summary>
+        /// Check if the <see cref="ChannelCount"/> is valid.
+        /// </summary>
+        /// <returns>Returns true if the <see cref="ChannelCount"/> is valid.</returns>
+        public bool IsChannelCountValid()
+        {
+            return EffectInParameterVersion1.IsChannelCountValid(ChannelCount);
+        }
+
+        /// <summary>
+        /// Check if the <see cref="ChannelCountMax"/> is valid.
+        /// </summary>
+        /// <returns>Returns true if the <see cref="ChannelCountMax"/> is valid.</returns>
+        public bool IsChannelCountMaxValid()
+        {
+            return EffectInParameterVersion1.IsChannelCountValid(ChannelCountMax);
+        }
+    }
+}

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);
+        }
+    }
+}

Ryujinx.Audio/Renderer/Parameter/Effect/Reverb3dParameter.cs

@@ -22,7 +22,7 @@ using System.Runtime.InteropServices;
 namespace Ryujinx.Audio.Renderer.Parameter.Effect
 {
     /// <summary>
-    /// <see cref="EffectInParameter.SpecificData"/> for <see cref="Common.EffectType.Reverb3d"/>.
+    /// <see cref="IEffectInParameter.SpecificData"/> for <see cref="Common.EffectType.Reverb3d"/>.
     /// </summary>
     [StructLayout(LayoutKind.Sequential, Pack = 1)]
     public struct Reverb3dParameter
@@ -129,7 +129,7 @@ namespace Ryujinx.Audio.Renderer.Parameter.Effect
         /// <returns>Returns true if the <see cref="ChannelCount"/> is valid.</returns>
         public bool IsChannelCountValid()
         {
-            return EffectInParameter.IsChannelCountValid(ChannelCount);
+            return EffectInParameterVersion1.IsChannelCountValid(ChannelCount);
         }
 
         /// <summary>
@@ -138,7 +138,7 @@ namespace Ryujinx.Audio.Renderer.Parameter.Effect
         /// <returns>Returns true if the <see cref="ChannelCountMax"/> is valid.</returns>
         public bool IsChannelCountMaxValid()
         {
-            return EffectInParameter.IsChannelCountValid(ChannelCountMax);
+            return EffectInParameterVersion1.IsChannelCountValid(ChannelCountMax);
         }
     }
 }

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

@@ -23,7 +23,7 @@ using System.Runtime.InteropServices;
 namespace Ryujinx.Audio.Renderer.Parameter.Effect
 {
     /// <summary>
-    /// <see cref="EffectInParameter.SpecificData"/> for <see cref="Common.EffectType.Reverb"/>.
+    /// <see cref="IEffectInParameter.SpecificData"/> for <see cref="Common.EffectType.Reverb"/>.
     /// </summary>
     [StructLayout(LayoutKind.Sequential, Pack = 1)]
     public struct ReverbParameter
@@ -121,7 +121,7 @@ namespace Ryujinx.Audio.Renderer.Parameter.Effect
         /// <returns>Returns true if the <see cref="ChannelCount"/> is valid.</returns>
         public bool IsChannelCountValid()
         {
-            return EffectInParameter.IsChannelCountValid(ChannelCount);
+            return EffectInParameterVersion1.IsChannelCountValid(ChannelCount);
         }
 
         /// <summary>
@@ -130,7 +130,7 @@ namespace Ryujinx.Audio.Renderer.Parameter.Effect
         /// <returns>Returns true if the <see cref="ChannelCountMax"/> is valid.</returns>
         public bool IsChannelCountMaxValid()
         {
-            return EffectInParameter.IsChannelCountValid(ChannelCountMax);
+            return EffectInParameterVersion1.IsChannelCountValid(ChannelCountMax);
         }
     }
 }

Ryujinx.Audio/Renderer/Parameter/EffectInParameterVersion1.cs

@@ -23,10 +23,10 @@ using System.Runtime.InteropServices;
 namespace Ryujinx.Audio.Renderer.Parameter
 {
     /// <summary>
-    /// Input information for an effect.
+    /// Input information for an effect version 1.
     /// </summary>
     [StructLayout(LayoutKind.Sequential, Pack = 1)]
-    public struct EffectInParameter
+    public struct EffectInParameterVersion1 : IEffectInParameter
     {
         /// <summary>
         /// Type of the effect.
@@ -85,11 +85,22 @@ namespace Ryujinx.Audio.Renderer.Parameter
         [StructLayout(LayoutKind.Sequential, Size = 0xA0, Pack = 1)]
         private struct SpecificDataStruct { }
 
-        /// <summary>
-        /// Specific data changing depending of the <see cref="Type"/>. See also the <see cref="Effect"/> namespace.
-        /// </summary>
         public Span<byte> SpecificData => SpanHelpers.AsSpan<SpecificDataStruct, byte>(ref _specificDataStart);
 
+        EffectType IEffectInParameter.Type => Type;
+
+        bool IEffectInParameter.IsNew => IsNew;
+
+        bool IEffectInParameter.IsEnabled => IsEnabled;
+
+        int IEffectInParameter.MixId => MixId;
+
+        ulong IEffectInParameter.BufferBase => BufferBase;
+
+        ulong IEffectInParameter.BufferSize => BufferSize;
+
+        uint IEffectInParameter.ProcessingOrder => ProcessingOrder;
+
         /// <summary>
         ///  Check if the given channel count is valid.
         /// </summary>

Ryujinx.Audio/Renderer/Parameter/EffectInParameterVersion2.cs

@@ -0,0 +1,114 @@
+//
+// 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.Audio.Renderer.Common;
+using Ryujinx.Common.Utilities;
+using System;
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Audio.Renderer.Parameter
+{
+    /// <summary>
+    /// Input information for an effect version 2. (added with REV9)
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 1)]
+    public struct EffectInParameterVersion2 : IEffectInParameter
+    {
+        /// <summary>
+        /// Type of the effect.
+        /// </summary>
+        public EffectType Type;
+
+        /// <summary>
+        /// Set to true if the effect is new.
+        /// </summary>
+        [MarshalAs(UnmanagedType.I1)]
+        public bool IsNew;
+
+        /// <summary>
+        /// Set to true if the effect must be active.
+        /// </summary>
+        [MarshalAs(UnmanagedType.I1)]
+        public bool IsEnabled;
+
+        /// <summary>
+        /// Reserved/padding.
+        /// </summary>
+        private byte _reserved1;
+
+        /// <summary>
+        /// The target mix id of the effect.
+        /// </summary>
+        public int MixId;
+
+        /// <summary>
+        /// Address of the processing workbuffer.
+        /// </summary>
+        /// <remarks>This is additional data that could be required by the effect processing.</remarks>
+        public ulong BufferBase;
+
+        /// <summary>
+        /// Size of the processing workbuffer.
+        /// </summary>
+        /// <remarks>This is additional data that could be required by the effect processing.</remarks>
+        public ulong BufferSize;
+
+        /// <summary>
+        /// Position of the effect while processing effects.
+        /// </summary>
+        public uint ProcessingOrder;
+
+        /// <summary>
+        /// Reserved/padding.
+        /// </summary>
+        private uint _reserved2;
+
+        /// <summary>
+        /// Specific data storage.
+        /// </summary>
+        private SpecificDataStruct _specificDataStart;
+
+        [StructLayout(LayoutKind.Sequential, Size = 0xA0, Pack = 1)]
+        private struct SpecificDataStruct { }
+
+        public Span<byte> SpecificData => SpanHelpers.AsSpan<SpecificDataStruct, byte>(ref _specificDataStart);
+
+        EffectType IEffectInParameter.Type => Type;
+
+        bool IEffectInParameter.IsNew => IsNew;
+
+        bool IEffectInParameter.IsEnabled => IsEnabled;
+
+        int IEffectInParameter.MixId => MixId;
+
+        ulong IEffectInParameter.BufferBase => BufferBase;
+
+        ulong IEffectInParameter.BufferSize => BufferSize;
+
+        uint IEffectInParameter.ProcessingOrder => ProcessingOrder;
+
+        /// <summary>
+        ///  Check if the given channel count is valid.
+        /// </summary>
+        /// <param name="channelCount">The channel count to check</param>
+        /// <returns>Returns true if the channel count is valid.</returns>
+        public static bool IsChannelCountValid(int channelCount)
+        {
+            return channelCount == 1 || channelCount == 2 || channelCount == 4 || channelCount == 6;
+        }
+    }
+}

Ryujinx.Audio/Renderer/Parameter/EffectOutStatusVersion1.cs

@@ -0,0 +1,40 @@
+//
+// 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 System.Runtime.InteropServices;
+
+namespace Ryujinx.Audio.Renderer.Parameter
+{
+    /// <summary>
+    /// Output information for an effect version 1.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 1)]
+    public struct EffectOutStatusVersion1 : IEffectOutStatus
+    {
+        /// <summary>
+        /// Current effect state.
+        /// </summary>
+        public EffectState State;
+
+        /// <summary>
+        /// Unused/Reserved.
+        /// </summary>
+        private unsafe fixed byte _reserved[15];
+
+        EffectState IEffectOutStatus.State { get => State; set => State = value; }
+    }
+}

Ryujinx.Audio/Renderer/Parameter/EffectOutStatusVersion2.cs

@@ -1,4 +1,4 @@
-//
+//
 // Copyright (c) 2019-2021 Ryujinx
 //
 // This program is free software: you can redistribute it and/or modify
@@ -20,27 +20,11 @@ using System.Runtime.InteropServices;
 namespace Ryujinx.Audio.Renderer.Parameter
 {
     /// <summary>
-    /// Output information for an effect.
+    /// Output information for an effect version 2. (added with REV9)
     /// </summary>
     [StructLayout(LayoutKind.Sequential, Pack = 1)]
-    public struct EffectOutStatus
+    public struct EffectOutStatusVersion2 : IEffectOutStatus
     {
-        /// <summary>
-        /// The state of an effect.
-        /// </summary>
-        public enum EffectState : byte
-        {
-            /// <summary>
-            /// The effect is enabled.
-            /// </summary>
-            Enabled = 3,
-
-            /// <summary>
-            /// The effect is disabled.
-            /// </summary>
-            Disabled = 4
-        }
-
         /// <summary>
         /// Current effect state.
         /// </summary>
@@ -50,5 +34,12 @@ namespace Ryujinx.Audio.Renderer.Parameter
         /// Unused/Reserved.
         /// </summary>
         private unsafe fixed byte _reserved[15];
+
+        /// <summary>
+        /// Current result state.
+        /// </summary>
+        public EffectResultState ResultState;
+
+        EffectState IEffectOutStatus.State { get => State; set => State = value; }
     }
 }

Ryujinx.Audio/Renderer/Parameter/EffectResultState.cs

@@ -0,0 +1,43 @@
+//
+// 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.Utilities;
+using System;
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Audio.Renderer.Parameter
+{
+    /// <summary>
+    /// Effect result state (added in REV9).
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 1)]
+    public struct EffectResultState
+    {
+        /// <summary>
+        /// Specific data storage.
+        /// </summary>
+        private SpecificDataStruct _specificDataStart;
+
+        [StructLayout(LayoutKind.Sequential, Size = 0x80, Pack = 1)]
+        private struct SpecificDataStruct { }
+
+        /// <summary>
+        /// Specific data changing depending of the type of effect. See also the <see cref="Effect"/> namespace.
+        /// </summary>
+        public Span<byte> SpecificData => SpanHelpers.AsSpan<SpecificDataStruct, byte>(ref _specificDataStart);
+    }
+}

Ryujinx.Audio/Renderer/Parameter/EffectState.cs

@@ -0,0 +1,35 @@
+//
+// 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/>.
+//
+
+namespace Ryujinx.Audio.Renderer.Parameter
+{
+    /// <summary>
+    /// The state of an effect.
+    /// </summary>
+    public enum EffectState : byte
+    {
+        /// <summary>
+        /// The effect is enabled.
+        /// </summary>
+        Enabled = 3,
+
+        /// <summary>
+        /// The effect is disabled.
+        /// </summary>
+        Disabled = 4
+    }
+}

Ryujinx.Audio/Renderer/Parameter/IEffectInParameter.cs

@@ -0,0 +1,70 @@
+//
+// 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.Audio.Renderer.Common;
+using System;
+
+namespace Ryujinx.Audio.Renderer.Parameter
+{
+    /// <summary>
+    /// Generic interface to represent input information for an effect.
+    /// </summary>
+    public interface IEffectInParameter
+    {
+        /// <summary>
+        /// Type of the effect.
+        /// </summary>
+        EffectType Type { get; }
+
+        /// <summary>
+        /// Set to true if the effect is new.
+        /// </summary>
+        bool IsNew { get; }
+
+        /// <summary>
+        /// Set to true if the effect must be active.
+        /// </summary>
+        bool IsEnabled { get; }
+
+        /// <summary>
+        /// The target mix id of the effect.
+        /// </summary>
+        int MixId { get; }
+
+        /// <summary>
+        /// Address of the processing workbuffer.
+        /// </summary>
+        /// <remarks>This is additional data that could be required by the effect processing.</remarks>
+        ulong BufferBase { get; }
+
+        /// <summary>
+        /// Size of the processing workbuffer.
+        /// </summary>
+        /// <remarks>This is additional data that could be required by the effect processing.</remarks>
+        ulong BufferSize { get; }
+
+        /// <summary>
+        /// Position of the effect while processing effects.
+        /// </summary>
+        uint ProcessingOrder { get; }
+
+        /// <summary>
+        /// Specific data changing depending of the <see cref="Type"/>. See also the <see cref="Effect"/> namespace.
+        /// </summary>
+        Span<byte> SpecificData { get; }
+    }
+}

Ryujinx.Audio/Renderer/Parameter/IEffectOutStatus.cs

@@ -0,0 +1,30 @@
+//
+// 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/>.
+//
+
+namespace Ryujinx.Audio.Renderer.Parameter
+{
+    /// <summary>
+    /// Generic interface to represent output information for an effect.
+    /// </summary>
+    public interface IEffectOutStatus
+    {
+        /// <summary>
+        /// Current effect state.
+        /// </summary>
+        EffectState State { get; set; }
+    }
+}