1 files changed, 82 insertions, 0 deletions
diff --git a/dxr3tools.h b/dxr3tools.h
new file mode 100644
index 0000000..ee8f9e3
--- /dev/null
+++ b/dxr3tools.h
@@ -0,0 +1,82 @@
+#ifndef _DXR3TOOLS_H_
+#define _DXR3TOOLS_H_
+
+#include "dxr3vdrincludes.h"
+
+namespace Tools
+{
+	// ==================================
+	inline unsigned int Rgb2YCrCb(unsigned long rgb) 
+	{
+		float Y,U,V;
+		float R,G,B;
+		unsigned int yuv = 0x0;
+		
+		B = ((rgb >> 16) & 0xFF);
+		G = ((rgb >> 8) & 0xFF);
+		R = (rgb & 0xFF);
+		
+		Y = (0.2578125 * R) + (0.50390625 * G) + (0.09765625 * B) + 16;
+		U = (0.4375 * R) - (0.3671875 * G) - (0.0703125 * B) + 128;
+		V =-(0.1484375 * R) - (0.2890625 * G) + (0.4375 * B) + 128;
+		
+		yuv = (int(Y) << 16) | (int(U) << 8) | int(V);
+		
+		return yuv;
+	}
+
+	// ==================================
+	inline unsigned int YUV2Rgb(unsigned int yuv_color)
+	{
+		int Y, Cb, Cr;
+		int Ey, Epb, Epr;
+		int Eg, Eb, Er;
+		
+		Y = (yuv_color >> 16) & 0xff;
+		Cb = (yuv_color) & 0xff;
+		Cr = (yuv_color >> 8) & 0xff;
+		
+		Ey = (Y - 16);
+		Epb = (Cb - 128);
+		Epr = (Cr - 128);
+		/* ITU-R 709
+		Eg = (298*Ey - 55*Epb - 137*Epr)/256;
+		Eb = (298*Ey + 543*Epb)/256;
+		Er = (298*Ey + 460*Epr)/256;
+		*/
+		/* FCC ~= mediaLib */
+		Eg = (298 * Ey - 100 * Epb - 208 * Epr) / 256;
+		Eb = (298 * Ey + 516 * Epb) / 256;
+		Er = (298 * Ey + 408 * Epr) / 256;
+		
+		if (Eg > 255)
+			Eg = 255;
+		if (Eg < 0)
+			Eg = 0;
+		
+		if (Eb > 255)
+			Eb = 255;
+		if (Eb < 0)
+			Eb = 0;
+		
+		if (Er > 255)
+			Er = 255;
+		if (Er < 0)
+			Er = 0;
+		
+		return Eb | (Eg << 8) | (Er << 16);
+	}
+
+	// ==================================
+	inline void WriteInfoToOsd(string x)
+	{
+		#if VDRVERSNUM <= 10306
+			Interface->Info(x.c_str());
+		#else
+			Skins.Message(mtInfo, x.c_str());
+		#endif
+	}
+
+}
+
+#endif /*_DXR3TOOLS_H_*/