add Nvidia overclocking options, integrate NvAPIWrapper/NvidiaML to enable and extend overclocking (curve), some other fixes

NvAPIWrapper/Native/Display/InfoFrameAudioLevelShift.cs

@@ -0,0 +1,93 @@
+namespace NvAPIWrapper.Native.Display
+{
+    /// <summary>
+    ///     Contains possible audio channel level shift values
+    /// </summary>
+    public enum InfoFrameAudioLevelShift : uint
+    {
+        /// <summary>
+        ///     No change to the source audio
+        /// </summary>
+        Shift0Decibel = 0,
+
+        /// <summary>
+        ///     Shifts 1 decibel
+        /// </summary>
+        Shift1Decibel,
+
+        /// <summary>
+        ///     Shifts 2 decibel
+        /// </summary>
+        Shift2Decibel,
+
+        /// <summary>
+        ///     Shifts 3 decibel
+        /// </summary>
+        Shift3Decibel,
+
+        /// <summary>
+        ///     Shifts 4 decibel
+        /// </summary>
+        Shift4Decibel,
+
+        /// <summary>
+        ///     Shifts 5 decibel
+        /// </summary>
+        Shift5Decibel,
+
+        /// <summary>
+        ///     Shifts 6 decibel
+        /// </summary>
+        Shift6Decibel,
+
+        /// <summary>
+        ///     Shifts 7 decibel
+        /// </summary>
+        Shift7Decibel,
+
+        /// <summary>
+        ///     Shifts 8 decibel
+        /// </summary>
+        Shift8Decibel,
+
+        /// <summary>
+        ///     Shifts 9 decibel
+        /// </summary>
+        Shift9Decibel,
+
+        /// <summary>
+        ///     Shifts 10 decibel
+        /// </summary>
+        Shift10Decibel,
+
+        /// <summary>
+        ///     Shifts 11 decibel
+        /// </summary>
+        Shift11Decibel,
+
+        /// <summary>
+        ///     Shifts 12 decibel
+        /// </summary>
+        Shift12Decibel,
+
+        /// <summary>
+        ///     Shifts 13 decibel
+        /// </summary>
+        Shift13Decibel,
+
+        /// <summary>
+        ///     Shifts 14 decibel
+        /// </summary>
+        Shift14Decibel,
+
+        /// <summary>
+        ///     Shifts 15 decibel
+        /// </summary>
+        Shift15Decibel,
+
+        /// <summary>
+        ///     Auto (Unspecified)
+        /// </summary>
+        Auto = 31
+    }
+}