/*
// Copyright 2015 2016 Intel Corporation All Rights Reserved.
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*/
// A simple example of performing Bluring an image using a median filter
// implemented with Intel IPP functions:
// ippiFilterMedianBorderGetBufferSize
// ippiFilterMedianBorder_8u_C1R
#include <stdio.h>
#include "ipp.h"
#define WIDTH 16 /* image width */
#define HEIGHT 16 /* 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 IPP function returned status different from ippStsNoErr */
/* Results of ippMalloc() are not validated because Intel(R) Integrated Performance Primitives functions perform bad arguments check and will return an appropriate status */
int main(void)
{
IppStatus status = ippStsNoErr;
Ipp8u* pSrc = NULL, *pDst = NULL; /* Pointers to source/destination images */
int srcStep = 0, dstStep = 0; /* Steps, in bytes, through the source/destination images */
IppiSize srcImageSize = { WIDTH+1, HEIGHT+1}; /* size of source image in pixels */
IppiSize roiSize = { WIDTH, HEIGHT }; /* Size of source/destination ROI in pixels */
Ipp8u *pBuffer = NULL; /* Pointer to the work buffer */
int iTmpBufSize = 0; /* Common work buffer size */
IppiBorderType borderType = (IppiBorderType)(ippBorderRepl | ippBorderInMemTop | ippBorderInMemRight);
Ipp8u borderValue = 254;
IppiSize maskSize = { 3, 3 };
int numChannels = 1;
/* memory allocation */
pSrc = ippiMalloc_8u_C1(srcImageSize.width, srcImageSize.height, &srcStep);
pDst = ippiMalloc_8u_C1(roiSize.width, roiSize.height, &dstStep);
check_sts( status = ippiFilterMedianBorderGetBufferSize(roiSize, maskSize, ipp8u, numChannels, &iTmpBufSize) )
pBuffer = ippsMalloc_8u(iTmpBufSize);
check_sts( status = ippiFilterMedianBorder_8u_C1R(pSrc + srcStep, srcStep, pDst, dstStep, roiSize, maskSize, borderType, borderValue, pBuffer) )
EXIT_MAIN
ippsFree(pBuffer);
ippiFree(pSrc);
ippiFree(pDst);
printf("Exit status %d (%s)\n", (int)status, ippGetStatusString(status));
return (int)status;
}