/**?
*?Calculate?PSNR?between?2?YUV420P?file?
*?@param?url1?????Location?of?first?Input?YUV?file.?
*?@param?url2?????Location?of?another?Input?YUV?file.?
*?@param?w????????Width?of?Input?YUV?file.?
*?@param?h????????Height?of?Input?YUV?file.?
*?@param?num??????Number?of?frames?to?process.?
*/??
#include
using?namespace?std;
int?simplest_yuv420_psnr（char?*url1char?*url2int?wint?hint?num）{??
????FILE?*fp1=fopen（url1“rb+“）;??
????FILE?*fp2=fopen（url2“rb+“）;??
	FILE?*fp=fopen（“Video_PSNR.txt““w“）;?????????//創(chuàng)建存取PSNR值信息的txt文件

????unsigned?char?*pic1=（unsigned?char?*）malloc（w*h）;??
????unsigned?char?*pic2=（unsigned?char?*）malloc（w*h）;??
????
	float?Sum_PSNR=0;????//定義所有幀的PSNR和
	float?average_PSNR;??//定義平均PSNR
????for（int?i=0;i????????fread（pic11w*hfp1）;??
????????fread（pic21w*hfp2）;??

????????double?mse_sum=0mse=0psnr=0;??
????????for（int?j