1 files changed, 68 insertions, 0 deletions
diff --git a/src/Ryujinx.Audio/Renderer/Server/Upsampler/UpsamplerState.cs b/src/Ryujinx.Audio/Renderer/Server/Upsampler/UpsamplerState.cs
new file mode 100644
index 00000000..e508f35b
--- /dev/null
+++ b/src/Ryujinx.Audio/Renderer/Server/Upsampler/UpsamplerState.cs
@@ -0,0 +1,68 @@
+using System;
+
+namespace Ryujinx.Audio.Renderer.Server.Upsampler
+{
+    /// <summary>
+    /// Server state for a upsampling.
+    /// </summary>
+    public class UpsamplerState
+    {
+        /// <summary>
+        /// The output buffer containing the target samples.
+        /// </summary>
+        public Memory<float> OutputBuffer { get; }
+
+        /// <summary>
+        /// The target sample count.
+        /// </summary>
+        public uint SampleCount { get; }
+
+        /// <summary>
+        /// The index of the <see cref="UpsamplerState"/>. (used to free it)
+        /// </summary>
+        private int _index;
+
+        /// <summary>
+        /// The <see cref="UpsamplerManager"/>.
+        /// </summary>
+        private UpsamplerManager _manager;
+
+        /// <summary>
+        /// The source sample count.
+        /// </summary>
+        public uint SourceSampleCount;
+
+        /// <summary>
+        /// The input buffer indices of the buffers holding the samples that need upsampling.
+        /// </summary>
+        public ushort[] InputBufferIndices;
+
+        /// <summary>
+        /// State of each input buffer index kept across invocations of the upsampler.
+        /// </summary>
+        public UpsamplerBufferState[] BufferStates;
+
+        /// <summary>
+        /// Create a new <see cref="UpsamplerState"/>.
+        /// </summary>
+        /// <param name="manager">The upsampler manager.</param>
+        /// <param name="index">The index of the <see cref="UpsamplerState"/>. (used to free it)</param>
+        /// <param name="outputBuffer">The output buffer used to contain the target samples.</param>
+        /// <param name="sampleCount">The target sample count.</param>
+        public UpsamplerState(UpsamplerManager manager, int index, Memory<float> outputBuffer, uint sampleCount)
+        {
+            _manager = manager;
+            _index = index;
+            OutputBuffer = outputBuffer;
+            SampleCount = sampleCount;
+        }
+
+        /// <summary>
+        /// Release the <see cref="UpsamplerState"/>.
+        /// </summary>
+        public void Release()
+        {
+            _manager.Free(_index);
+        }
+    }
+}
+\ No newline at end of file