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* 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
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* the related documents without Intel's prior written permission.
*
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*******************************************************************************/
// A simple example of performing filtering of small noise blobs (speckles)
// in the image using Intel(R) Integrated Primitives (Intel(R) IPP) functions:
// ippiMarkSpecklesGetBufferSize
// ippiMarkSpeckles_8u_C1IR
#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;
int numChannels = 1;
Ipp8u* pSrcDst = NULL; /* Pointers to source/destination images */
int srcDstStep = 0; /* Steps, in bytes, through the source/destination images */
IppiSize roiSize = { WIDTH, HEIGHT }; /* Size of source/destination ROI in pixels */
Ipp8u speckleVal = 255; /* Disparity value */
Ipp8u maxPixDif = 1; /* Maximum difference between neighbor pixels */
Ipp32s maxSpeckleSize = 8; /* Maximum difference between neighbor pixels */
Ipp8u* pBuffer = NULL; /* Pointer to the work buffer */
int bufferSize = 0;
/* Computes the temporary work buffer size */
check_sts( status = ippiMarkSpecklesGetBufferSize(roiSize, ipp8u, numChannels, &bufferSize) )
pBuffer = ippsMalloc_8u(bufferSize);
pSrcDst = ippiMalloc_8u_C1(roiSize.width, roiSize.height, &srcDstStep);
check_sts( status = ippiMarkSpeckles_8u_C1IR(pSrcDst, srcDstStep, roiSize, speckleVal, maxSpeckleSize, maxPixDif, ippiNormL1, pBuffer) )
EXIT_MAIN
ippiFree(pSrcDst);
ippsFree(pBuffer);
printf("Exit status %d (%s)\n", (int)status, ippGetStatusString(status));
return (int)status;
}