1 files changed, 51 insertions, 0 deletions
diff --git a/Ryujinx.Audio.Renderer/Parameter/BiquadFilterParameter.cs b/Ryujinx.Audio.Renderer/Parameter/BiquadFilterParameter.cs
new file mode 100644
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+++ b/Ryujinx.Audio.Renderer/Parameter/BiquadFilterParameter.cs
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+//
+// Copyright (c) 2019-2020 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
+{
+    /// <summary>
+    /// Biquad filter parameters.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Size = 0xC, Pack = 1)]
+    public struct BiquadFilterParameter
+    {
+        /// <summary>
+        /// Set to true if the biquad filter is active.
+        /// </summary>
+        [MarshalAs(UnmanagedType.I1)]
+        public bool Enable;
+
+        /// <summary>
+        /// Reserved/padding.
+        /// </summary>
+        private byte _reserved;
+
+        /// <summary>
+        /// Biquad filter numerator (b0, b1, b2).
+        /// </summary>
+        public Array3<short> Numerator;
+
+        /// <summary>
+        /// Biquad filter denominator (a1, a2).
+        /// </summary>
+        /// <remarks>a0 = 1</remarks>
+        public Array2<short> Denominator;
+    }
+}