palette.txt

来自「这个是Linux下的应用程序」· 文本 代码 · 共 24 行

			Y =((0.299	*R) + (0.587*G) + (0.114*B)); 
 			U =((-0.148	*R) - (0.289*G) + (0.437*B));
			V =((0.615	*R) - (0.515*G) - (0.1	*B));

			U=U+128;
			V=V+128;		
			

			if(Y>255) Y=255;
			if(U>255) U=255;
			if(V>255) V=255;

			if(Y<0) Y=0;
			if(U<0) U=0;
			if(V<0) V=0;

			uY=(unsigned char)Y; 
			uU=(unsigned char)U;
			uV=(unsigned char)V;

			// save YUB data for extra data
			m_nPY[i]=uY;
			m_nPU[i]=uU;
			m_nPV[i]=uV;