Subchannel interpretation code (nw)

RedBookPlayer.Models/Hardware/Karaoke/LoadCLUT.cs

@@ -0,0 +1,25 @@
+using System;
+
+namespace RedBookPlayer.Models.Hardware.Karaoke
+{
+    /// <see cref="https://jbum.com/cdg_revealed.html"/>
+    internal class LoadCLUT
+    {
+        // AND with 0x3F3F to clear P and Q channel
+        public short[] ColorSpec { get; private set; } = new short[8];
+
+        /// <summary>
+        /// Interpret subchannel packet data as Load Color Lookup Table
+        /// </summary>
+        public LoadCLUT(byte[] bytes)
+        {
+            if(bytes == null || bytes.Length != 16)
+                return;
+
+            for(int i = 0; i < 8; i++)
+            {
+                this.ColorSpec[i] = (short)(BitConverter.ToInt16(bytes, 2 * i) & 0x3F3F);
+            }
+        }
+    }
+}