Visible to Intel only — GUID: GUID-F138CD72-AF44-4A72-A68C-913D68F4B0E5
Visible to Intel only — GUID: GUID-F138CD72-AF44-4A72-A68C-913D68F4B0E5
MulC64f
Multiplies pixel values of an image by a constant array.
Syntax
Not-in-place operations
IppStatus ippiMulC64f_8u_C1R(const Ipp8u* pSrc, int srcStep, const Ipp64f value[1], Ipp8u* pDst, int dstStep, IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
IppStatus ippiMulC64f_8u_C3R(const Ipp8u* pSrc, int srcStep, const Ipp64f value[3], Ipp8u* pDst, int dstStep, IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
IppStatus ippiMulC64f_8u_C4R(const Ipp8u* pSrc, int srcStep, const Ipp64f value[4], Ipp8u* pDst, int dstStep, IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
IppStatus ippiMulC64f_16u_C1R(const Ipp16u* pSrc, int srcStep, const Ipp64f value[1], Ipp16u* pDst, int dstStep, IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
IppStatus ippiMulC64f_16u_C3R(const Ipp16u* pSrc, int srcStep, const Ipp64f value[3], Ipp16u* pDst, int dstStep, IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
IppStatus ippiMulC64f_16u_C4R(const Ipp16u* pSrc, int srcStep, const Ipp64f value[4], Ipp16u* pDst, int dstStep, IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
IppStatus ippiMulC64f_16s_C1R(const Ipp16s* pSrc, int srcStep, const Ipp64f value[1], Ipp16s* pDst, int dstStep, IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
IppStatus ippiMulC64f_16s_C3R(const Ipp16s* pSrc, int srcStep, const Ipp64f value[3], Ipp16s* pDst, int dstStep, IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
IppStatus ippiMulC64f_16s_C4R(const Ipp16s* pSrc, int srcStep, const Ipp64f value[4], Ipp16s* pDst, int dstStep, IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
IppStatus ippiMulC64f_32f_C1R(const Ipp32f* pSrc, int srcStep, const Ipp64f value[1], Ipp32f* pDst, int dstStep, IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
IppStatus ippiMulC64f_32f_C3R(const Ipp32f* pSrc, int srcStep, const Ipp64f value[3], Ipp32f* pDst, int dstStep, IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
IppStatus ippiMulC64f_32f_C4R(const Ipp32f* pSrc, int srcStep, const Ipp64f value[4], Ipp32f* pDst, int dstStep, IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
In-place operations
IppStatus ippiMulC64f_8u_C1IR(Ipp8u* pSrcDst, int srcDstStep, const Ipp64f value[1], IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
IppStatus ippiMulC64f_8u_C3IR(Ipp8u* pSrcDst, int srcDstStep, const Ipp64f value[3], IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
IppStatus ippiMulC64f_8u_C4IR(Ipp8u* pSrcDst, int srcDstStep, const Ipp64f value[4], IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
IppStatus ippiMulC64f_16u_C1IR(Ipp16u* pSrcDst, int srcDstStep, const Ipp64f value[1], IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
IppStatus ippiMulC64f_16u_C3IR(Ipp16u* pSrcDst, int srcDstStep, const Ipp64f value[3], IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
IppStatus ippiMulC64f_16u_C4IR(Ipp16u* pSrcDst, int srcDstStep, const Ipp64f value[4], IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
IppStatus ippiMulC64f_16s_C1IR(Ipp16s* pSrcDst, int srcDstStep, const Ipp64f value[1], IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
IppStatus ippiMulC64f_16s_C3IR(Ipp16s* pSrcDst, int srcDstStep, const Ipp64f value[3], IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
IppStatus ippiMulC64f_16s_C4IR(Ipp16s* pSrcDst, int srcDstStep, const Ipp64f value[4], IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
IppStatus ippiMulC64f_32f_C1IR(Ipp32f* pSrcDst, int srcDstStep, const Ipp64f value[1], IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
IppStatus ippiMulC64f_32f_C3IR(Ipp32f* pSrcDst, int srcDstStep, const Ipp64f value[3], IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
IppStatus ippiMulC64f_32f_C4IR(Ipp32f* pSrcDst, int srcDstStep, const Ipp64f value[4], IppiSize roiSize, IppHintAlgorithm hint, IppRoundMode rndMode);
Include Files
ippi.h
Domain Dependencies
Headers: ippcore.h, ippvm.h, ipps.h
Libraries: ippcore.lib, ippvm.lib, ipps.lib
Parameters
pSrc |
Pointer to the source image. | ||||||
pSrcDst |
Pointer to the source and destination image ROI for in-place operations. | ||||||
srcStep |
Distance, in bytes, between the starting points of consecutive lines in the source image. | ||||||
srcDstStep |
Distance, in bytes, between the starting points of consecutive lines in the source and destination image for in-place operations. | ||||||
value |
Constant vector to add to image pixel values. | ||||||
pDst |
Pointer to the destination image. | ||||||
dstStep |
Distance, in bytes, between the starting points of consecutive lines in the destination image. | ||||||
roiSize |
Size of the image ROI, in pixels. | ||||||
hint |
Option to select the algorithmic implementation of the function, the following values are supported:
|
||||||
rndMode |
Rounding mode, the following values are supported:
|
Description
This function multiplies pixel values of the source image by the specified constant array and places the scaled results to the same image.
Return Values
ippStsNoErr |
Indicates no error. |
ippStsNullPtrErr |
Indicates an error when at least one of the specified pointers is NULL. |
ippStsSizeErr |
Indicates an error when width or height of the image is less than, or equal to zero. |
Example
/*******************************************************************************
* Copyright 2015 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 gradient flood filling of connected area
// using Intel(R) Integrated Primitives (Intel(R) IPP) functions:
// ippiMulC64f_8u_C1R
//
#include <stdio.h>
#include "ipp.h"
#define WIDTH 8 /* source image width */
#define HEIGHT 8 /* source 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 */
static Ipp8u pImage[WIDTH*HEIGHT] = /* Pointer to ROI of initial image */
{
0, 1, 2, 3, 4, 5, 6, 7,
0, 1, 2, 3, 4, 5, 6, 7,
0, 1, 2, 3, 4, 5, 6, 7,
0, 1, 2, 3, 4, 5, 6, 7,
0, 1, 2, 3, 4, 5, 6, 7,
0, 1, 2, 3, 4, 5, 6, 7,
0, 1, 2, 3, 4, 5, 6, 7,
0, 1, 2, 3, 4, 5, 6, 7
};
int main(void)
{
IppStatus status = ippStsNoErr;
int imageStep = WIDTH; /* Steps, in bytes, through the source and destination images */
Ipp8u pDstImage[WIDTH*HEIGHT];
IppiSize roiSize = { WIDTH, HEIGHT};/* Size of source ROI in pixels */
Ipp64f value[1] = {0.5};
/* Calculate size of temporary buffer for flood filling operation */
/* Perform gradient flood filling of 4-connected area */
check_sts( status = ippiMulC64f_8u_C1R(pImage, imageStep, value, pDstImage, imageStep, roiSize, ippAlgHintFast, ippRndNear) )
EXIT_MAIN
printf("Exit status %d (%s)\n", (int)status, ippGetStatusString(status));
return (int)status;
}