Move solution and projects to src

src/Ryujinx.Audio/Renderer/Common/PlayState.cs

@@ -0,0 +1,23 @@
+namespace Ryujinx.Audio.Renderer.Common
+{
+    /// <summary>
+    /// Common play state.
+    /// </summary>
+    public enum PlayState : byte
+    {
+        /// <summary>
+        /// The user request the voice to be started.
+        /// </summary>
+        Start,
+
+        /// <summary>
+        /// The user request the voice to be stopped.
+        /// </summary>
+        Stop,
+
+        /// <summary>
+        /// The user request the voice to be paused.
+        /// </summary>
+        Pause
+    }
+}