1 files changed, 78 insertions, 0 deletions
diff --git a/Ryujinx.Audio.Renderer/Parameter/Sink/CircularBufferParameter.cs b/Ryujinx.Audio.Renderer/Parameter/Sink/CircularBufferParameter.cs
new file mode 100644
index 00000000..a314213b
--- /dev/null
+++ b/Ryujinx.Audio.Renderer/Parameter/Sink/CircularBufferParameter.cs
@@ -0,0 +1,78 @@
+//
+// 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.Audio.Renderer.Common;
+using Ryujinx.Common.Memory;
+using System.Runtime.InteropServices;
+
+using CpuAddress = System.UInt64;
+
+namespace Ryujinx.Audio.Renderer.Parameter.Sink
+{
+    /// <summary>
+    /// <see cref="SinkInParameter.SpecificData"/> for <see cref="SinkType.CircularBuffer"/>.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 1)]
+    public struct CircularBufferParameter
+    {
+        /// <summary>
+        /// The CPU address of the user circular buffer.
+        /// </summary>
+        public CpuAddress BufferAddress;
+
+        /// <summary>
+        /// The size of the user circular buffer.
+        /// </summary>
+        public uint BufferSize;
+
+        /// <summary>
+        /// The total count of channels to output to the circular buffer.
+        /// </summary>
+        public uint InputCount;
+
+        /// <summary>
+        /// The target sample count to output per update in the circular buffer.
+        /// </summary>
+        public uint SampleCount;
+
+        /// <summary>
+        /// Last read offset on the CPU side.
+        /// </summary>
+        public uint LastReadOffset;
+
+        /// <summary>
+        /// The target <see cref="SampleFormat"/>.
+        /// </summary>
+        /// <remarks>Only <see cref="SampleFormat.PcmInt16"/> is supported.</remarks>
+        public SampleFormat SampleFormat;
+
+        /// <summary>
+        /// Reserved/padding.
+        /// </summary>
+        private unsafe fixed byte _reserved1[3];
+
+        /// <summary>
+        /// The input channels index that will be used.
+        /// </summary>
+        public Array6<byte> Input;
+
+        /// <summary>
+        /// Reserved/padding.
+        /// </summary>
+        private ushort _reserved2;
+    }
+}