#include <ipp.h>

#include "opencv2/imgproc/imgproc_c.h"
#include "opencv2/highgui/highgui_c.h"

const int wSmall = 352, hSmall = 288;
const int wLarge = 800, hLarge = 600;

int main()
{
    int srcRGBstep, srcYUVstep, dstYUVstep, dstRGBstep;
    Ipp8u *srcRGB, *srcYUV, *dstYUV, *dstRGB;
    IppiSize smallSize, largeSize;
    IppiRect srcroi;
    
    srcRGB = ippiMalloc_8u_C3(wSmall, hSmall, &srcRGBstep);
    srcYUV = ippiMalloc_8u_C2(wSmall, hSmall, &srcYUVstep);
    dstYUV = ippiMalloc_8u_C2(wLarge, hLarge, &dstYUVstep);
    dstRGB = ippiMalloc_8u_C3(wLarge, hLarge, &dstRGBstep);
    
    smallSize.width = wSmall; smallSize.height = hSmall;
    largeSize.width = wLarge; largeSize.height = hLarge;
    
    ippiImageJaehne_8u_C3R(srcRGB, srcRGBstep, smallSize);

    ippiRGBToYUV422_8u_C3C2R(srcRGB, srcRGBstep, srcYUV, srcYUVstep, smallSize);

    srcroi.width = wSmall; srcroi.height = hSmall; srcroi.x = srcroi.y = 0;
    ippiResizeYUV422_8u_C2R(srcYUV, smallSize, srcYUVstep, srcroi, dstYUV, dstYUVstep, 
                            largeSize, (double)wLarge/wSmall, (double)hLarge/hSmall, IPPI_INTER_CUBIC);
    /* Visually check */
    ippiYUV422ToRGB_8u_C2C3R(dstYUV, dstYUVstep, dstRGB, dstRGBstep, largeSize);
    {
        IplImage *img = cvCreateImage(cvSize(wLarge, hLarge), IPL_DEPTH_8U, 3);
        ippiCopy_8u_C3R(dstRGB, dstRGBstep, (Ipp8u*)img->imageData, img->widthStep, largeSize);
        cvNamedWindow("dst", 1);
        cvShowImage("dst", img);
        cvWaitKey(0);
        cvReleaseImage(&img);
    }
    ippiFree(srcRGB); ippiFree(srcYUV); ippiFree(dstYUV); ippiFree(dstRGB);
    return 0;
}