IplImage* cvCapture* 的释放

        IplImage *pFrame = NULL;std::string pHashV_t;errno_t err;     //err==0 文件成功打开，err!=0文件打开失败FILE *fp;err=fopen_s(&fp,"1.txt","r+");           //数据库文档string picNtime;while (tms_start<tms_stop)       {   cvSetCaptureProperty(pCap,CV_CAP_PROP_POS_MSEC,tms_start);   pFrame=cvQueryFrame(pCap);Mat pmFrame(pFrame,0);       pHashV_t=pHashValue(pmFrame);fwrite(pHashV_t.c_str(),pHashV_t.size(),1,fp);fprintf(fp,"\n");tms_start=tms_start+frmTime;      }fclose(fp);cvReleaseCapture(&pCap);//cvReleaseImage(&pFrame);

这种情况下只需要做 cvReleaseCapture(&pCap),而不需要做cvReleaseImage(&pFrame).