1 files changed, 84 insertions, 0 deletions
diff --git a/Ryujinx.Audio/Renderer/Parameter/SplitterDestinationInParameter.cs b/Ryujinx.Audio/Renderer/Parameter/SplitterDestinationInParameter.cs
new file mode 100644
index 00000000..77d5ddc2
--- /dev/null
+++ b/Ryujinx.Audio/Renderer/Parameter/SplitterDestinationInParameter.cs
@@ -0,0 +1,84 @@
+//
+// 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>
+    /// Input header for a splitter destination update.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 1)]
+    public struct SplitterDestinationInParameter
+    {
+        /// <summary>
+        /// Magic of the input header.
+        /// </summary>
+        public uint Magic;
+
+        /// <summary>
+        /// Target splitter destination data id.
+        /// </summary>
+        public int Id;
+
+        /// <summary>
+        /// Mix buffer volumes storage.
+        /// </summary>
+        private MixArray _mixBufferVolume;
+
+        /// <summary>
+        /// The mix to output the result of the splitter.
+        /// </summary>
+        public int DestinationId;
+
+        /// <summary>
+        /// Set to true if in use.
+        /// </summary>
+        [MarshalAs(UnmanagedType.I1)]
+        public bool IsUsed;
+
+        /// <summary>
+        /// Reserved/padding.
+        /// </summary>
+        private unsafe fixed byte _reserved[3];
+
+        [StructLayout(LayoutKind.Sequential, Size = 4 * Constants.MixBufferCountMax, Pack = 1)]
+        private struct MixArray { }
+
+        /// <summary>
+        /// Mix buffer volumes.
+        /// </summary>
+        /// <remarks>Used when a splitter id is specified in the mix.</remarks>
+        public Span<float> MixBufferVolume => SpanHelpers.AsSpan<MixArray, float>(ref _mixBufferVolume);
+
+        /// <summary>
+        /// The expected constant of any input header.
+        /// </summary>
+        private const uint ValidMagic = 0x44444E53;
+
+        /// <summary>
+        /// Check if the magic is valid.
+        /// </summary>
+        /// <returns>Returns true if the magic is valid.</returns>
+        public bool IsMagicValid()
+        {
+            return Magic == ValidMagic;
+        }
+    }
+}