1 files changed, 121 insertions, 0 deletions
diff --git a/Ryujinx.Audio.Renderer/Server/Voice/WaveBuffer.cs b/Ryujinx.Audio.Renderer/Server/Voice/WaveBuffer.cs
new file mode 100644
index 00000000..e709639b
--- /dev/null
+++ b/Ryujinx.Audio.Renderer/Server/Voice/WaveBuffer.cs
@@ -0,0 +1,121 @@
+//
+// 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.Server.MemoryPool;
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Audio.Renderer.Server.Voice
+{
+    /// <summary>
+    /// A wavebuffer used for server update.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Size = 0x58, Pack = 1)]
+    public struct WaveBuffer
+    {
+        /// <summary>
+        /// The <see cref="AddressInfo"/> of the sample data of the wavebuffer.
+        /// </summary>
+        public AddressInfo BufferAddressInfo;
+
+        /// <summary>
+        /// The <see cref="AddressInfo"/> of the context of the wavebuffer.
+        /// </summary>
+        /// <remarks>Only used by <see cref="Common.SampleFormat.Adpcm"/>.</remarks>
+        public AddressInfo ContextAddressInfo;
+
+
+        /// <summary>
+        /// First sample to play of the wavebuffer.
+        /// </summary>
+        public uint StartSampleOffset;
+
+        /// <summary>
+        /// Last sample to play of the wavebuffer.
+        /// </summary>
+        public uint EndSampleOffset;
+
+        /// <summary>
+        /// Set to true if the wavebuffer is looping.
+        /// </summary>
+        [MarshalAs(UnmanagedType.I1)]
+        public bool ShouldLoop;
+
+        /// <summary>
+        /// Set to true if the wavebuffer is the end of stream.
+        /// </summary>
+        [MarshalAs(UnmanagedType.I1)]
+        public bool IsEndOfStream;
+
+        /// <summary>
+        /// Set to true if the wavebuffer wasn't sent to the <see cref="Dsp.AudioProcessor"/>.
+        /// </summary>
+        [MarshalAs(UnmanagedType.I1)]
+        public bool IsSendToAudioProcessor;
+
+        /// <summary>
+        /// First sample to play when looping the wavebuffer.
+        /// </summary>
+        public uint LoopStartSampleOffset;
+
+        /// <summary>
+        /// Last sample to play when looping the wavebuffer.
+        /// </summary>
+        public uint LoopEndSampleOffset;
+
+        /// <summary>
+        /// The max loop count.
+        /// </summary>
+        public int LoopCount;
+
+        /// <summary>
+        /// Create a new <see cref="Common.WaveBuffer"/> for use by the <see cref="Dsp.AudioProcessor"/>.
+        /// </summary>
+        /// <param name="version">The target version of the wavebuffer.</param>
+        /// <returns>A new <see cref="Common.WaveBuffer"/> for use by the <see cref="Dsp.AudioProcessor"/>.</returns>
+        public Common.WaveBuffer ToCommon(int version)
+        {
+            Common.WaveBuffer waveBuffer = new Common.WaveBuffer();
+
+            waveBuffer.Buffer = BufferAddressInfo.GetReference(true);
+            waveBuffer.BufferSize = (uint)BufferAddressInfo.Size;
+
+            if (ContextAddressInfo.CpuAddress != 0)
+            {
+                waveBuffer.Context = ContextAddressInfo.GetReference(true);
+                waveBuffer.ContextSize = (uint)ContextAddressInfo.Size;
+            }
+
+            waveBuffer.StartSampleOffset = StartSampleOffset;
+            waveBuffer.EndSampleOffset = EndSampleOffset;
+            waveBuffer.Looping = ShouldLoop;
+            waveBuffer.IsEndOfStream = IsEndOfStream;
+
+            if (version == 2)
+            {
+                waveBuffer.LoopCount = LoopCount;
+                waveBuffer.LoopStartSampleOffset = LoopStartSampleOffset;
+                waveBuffer.LoopEndSampleOffset = LoopEndSampleOffset;
+            }
+            else
+            {
+                waveBuffer.LoopCount = -1;
+            }
+
+            return waveBuffer;
+        }
+    }
+}