www.pudn.com > yuv2bmp.rar > YUV2RGB.cpp

#include "stdafx.h" 
 
//yuv->bmp 
//输入：yuvin-yuv图像数据, width-图像像素宽度, height-图像像素高度 
//输出：rgbout-bmp图像数据 
void yuv2bmp(unsigned char *rgbout, const unsigned char *yuvin, int width, int height) 
{ 
	int	col,row; 
	long Y,U,V; 
	long red,blue,green; 
 
	for (row=0; row>1; 
			Y=yuvin[rowptr+col]; 
			U=yuvin[rowptr+colhalf+width*height-row*width/2]; 
			V=yuvin[rowptr+colhalf+width*height-row*width/2+width*height/2]; 
 
			red=(int)(Y+(U-128)*1.375); 
			green=(int)(Y-(U-128)*0.34375-(V-128)*0.703125); 
			blue=(int)(Y+(V-128)*1.734375); 
 
			if (red>255) red=255; 
			else if (red<0) red=0; 
			if (green>255) green=255; 
			else if (green<0) green=0; 
			if (blue>255) blue=255; 
			else if (blue<0) blue=0; 
 
			rgbout[idx++]=(char)red; 
			rgbout[idx++]=(char)green; 
			rgbout[idx++]=(char)blue; 
		} 
	} 
}