/*******************************************************************************
* Copyright 2015-2018 Intel Corporation.
*
* This software and the related documents are Intel copyrighted materials, and
* your use of them is governed by the express license under which they were
* provided to you (License). Unless the License provides otherwise, you may not
* use, modify, copy, publish, distribute, disclose or transmit this software or
* the related documents without Intel's prior written permission.
*
* This software and the related documents are provided as is, with no express
* or implied warranties, other than those that are expressly stated in the
* License.
*******************************************************************************/
// A simple example of calculating a correlation between
// two LBPs using Intel(R) Integrated Primitives (Intel(R) IPP) function:
// ippiLBPImageHorizCorr_8u_C1R
#include <stdio.h>
#include "ipp.h"
#define WIDTH 128 /* image width */
#define HEIGHT 64 /* image height */
/* Next two defines are created to simplify code reading and understanding */
#define EXIT_MAIN exitLine: /* Label for Exit */
#define check_sts(st) if((st) != ippStsNoErr) goto exitLine; /* Go to Exit if Intel(R) IPP function returned status different from ippStsNoErr */
/* Results of ippMalloc() are not validated because Intel(R) IPP functions perform bad arguments check and will return an appropriate status */
int main(void)
{
IppStatus status = ippStsNoErr;
Ipp8u* pSrc1 = NULL, *pSrc2 = NULL, *pDst = NULL; /* Pointers to source/destination images */
int srcStep1 = 0, srcStep2 = 0, dstStep = 0; /* Steps, in bytes, through the source/destination images */
IppiSize roiSize = { WIDTH, HEIGHT }; /* Size of source/destination ROI in pixels */
const Ipp8u borderValue[1] = { 3 };
int shift = 4; /* Horizontal shift of the pSrc2 image */
pSrc1 = ippiMalloc_8u_C1(roiSize.width, roiSize.height, &srcStep1);
pSrc2 = ippiMalloc_8u_C1(roiSize.width, roiSize.height, &srcStep2);
pDst = ippiMalloc_8u_C1(roiSize.width, roiSize.height, &dstStep);
check_sts( status = ippiLBPImageHorizCorr_8u_C1R(pSrc1, srcStep1, pSrc2, srcStep2, pDst, dstStep, roiSize, shift, ippBorderRepl, borderValue) )
EXIT_MAIN
ippiFree(pSrc1);
ippiFree(pSrc2);
ippiFree(pDst);
printf("Exit status %d (%s)\n", (int)status, ippGetStatusString(status));
return (int)status;
}