Move solution and projects to src

src/Ryujinx.Audio/Renderer/Parameter/IEffectOutStatus.cs

@@ -0,0 +1,13 @@
+namespace Ryujinx.Audio.Renderer.Parameter
+{
+    /// <summary>
+    /// Generic interface to represent output information for an effect.
+    /// </summary>
+    public interface IEffectOutStatus
+    {
+        /// <summary>
+        /// Current effect state.
+        /// </summary>
+        EffectState State { get; set; }
+    }
+}