www.pudn.com > OpenCV-Intel.zip > cvaccum.cpp


/*M/////////////////////////////////////////////////////////////////////////////////////// 
// 
//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. 
// 
//  By downloading, copying, installing or using the software you agree to this license. 
//  If you do not agree to this license, do not download, install, 
//  copy or use the software. 
// 
// 
//                        Intel License Agreement 
//                For Open Source Computer Vision Library 
// 
// Copyright (C) 2000, Intel Corporation, all rights reserved. 
// Third party copyrights are property of their respective owners. 
// 
// Redistribution and use in source and binary forms, with or without modification, 
// are permitted provided that the following conditions are met: 
// 
//   * Redistribution's of source code must retain the above copyright notice, 
//     this list of conditions and the following disclaimer. 
// 
//   * Redistribution's in binary form must reproduce the above copyright notice, 
//     this list of conditions and the following disclaimer in the documentation 
//     and/or other materials provided with the distribution. 
// 
//   * The name of Intel Corporation may not be used to endorse or promote products 
//     derived from this software without specific prior written permission. 
// 
// This software is provided by the copyright holders and contributors "as is" and 
// any express or implied warranties, including, but not limited to, the implied 
// warranties of merchantability and fitness for a particular purpose are disclaimed. 
// In no event shall the Intel Corporation or contributors be liable for any direct, 
// indirect, incidental, special, exemplary, or consequential damages 
// (including, but not limited to, procurement of substitute goods or services; 
// loss of use, data, or profits; or business interruption) however caused 
// and on any theory of liability, whether in contract, strict liability, 
// or tort (including negligence or otherwise) arising in any way out of 
// the use of this software, even if advised of the possibility of such damage. 
// 
//M*/ 
 
#include "_cv.h" 
 
#define  ICV_DEF_ACC_FUNC( name, srctype, dsttype, cvtmacro )           \ 
IPCVAPI_IMPL( CvStatus,                                                 \ 
name,( const srctype *src, int srcstep, dsttype *dst,                   \ 
       int dststep, CvSize size ), (src, srcstep, dst, dststep, size )) \ 
                                                                        \ 
{                                                                       \ 
    srcstep /= sizeof(src[0]);                                          \ 
    dststep /= sizeof(dst[0]);                                          \ 
                                                                        \ 
    for( ; size.height--; src += srcstep, dst += dststep )              \ 
    {                                                                   \ 
        int x;                                                          \ 
        for( x = 0; x <= size.width - 4; x += 4 )                       \ 
        {                                                               \ 
            dsttype t0 = dst[x] + cvtmacro(src[x]);                     \ 
            dsttype t1 = dst[x + 1] + cvtmacro(src[x + 1]);             \ 
            dst[x] = t0;  dst[x + 1] = t1;                              \ 
                                                                        \ 
            t0 = dst[x + 2] + cvtmacro(src[x + 2]);                     \ 
            t1 = dst[x + 3] + cvtmacro(src[x + 3]);                     \ 
            dst[x + 2] = t0;  dst[x + 3] = t1;                          \ 
        }                                                               \ 
                                                                        \ 
        for( ; x < size.width; x++ )                                    \ 
            dst[x] += cvtmacro(src[x]);                                 \ 
    }                                                                   \ 
                                                                        \ 
    return CV_OK;                                                       \ 
} 
 
 
ICV_DEF_ACC_FUNC( icvAdd_8u32f_C1IR, uchar, float, CV_8TO32F ) 
ICV_DEF_ACC_FUNC( icvAdd_32f_C1IR, float, float, CV_NOP ) 
ICV_DEF_ACC_FUNC( icvAddSquare_8u32f_C1IR, uchar, float, CV_8TO32F_SQR ) 
ICV_DEF_ACC_FUNC( icvAddSquare_32f_C1IR, float, float, CV_SQR ) 
 
 
#define  ICV_DEF_ACCPROD_FUNC( flavor, srctype, dsttype, cvtmacro )         \ 
IPCVAPI_IMPL( CvStatus, icvAddProduct_##flavor##_C1IR,                      \ 
( const srctype *src1, int step1, const srctype *src2, int step2,           \ 
  dsttype *dst, int dststep, CvSize size ),                                 \ 
 (src1, step1, src2, step2, dst, dststep, size) )                           \ 
{                                                                           \ 
    step1 /= sizeof(src1[0]);                                               \ 
    step2 /= sizeof(src2[0]);                                               \ 
    dststep /= sizeof(dst[0]);                                              \ 
                                                                            \ 
    for( ; size.height--; src1 += step1, src2 += step2, dst += dststep )    \ 
    {                                                                       \ 
        int x;                                                              \ 
        for( x = 0; x <= size.width - 4; x += 4 )                           \ 
        {                                                                   \ 
            dsttype t0 = dst[x] + cvtmacro(src1[x])*cvtmacro(src2[x]);      \ 
            dsttype t1 = dst[x+1] + cvtmacro(src1[x+1])*cvtmacro(src2[x+1]);\ 
            dst[x] = t0;  dst[x + 1] = t1;                                  \ 
                                                                            \ 
            t0 = dst[x + 2] + cvtmacro(src1[x + 2])*cvtmacro(src2[x + 2]);  \ 
            t1 = dst[x + 3] + cvtmacro(src1[x + 3])*cvtmacro(src2[x + 3]);  \ 
            dst[x + 2] = t0;  dst[x + 3] = t1;                              \ 
        }                                                                   \ 
                                                                            \ 
        for( ; x < size.width; x++ )                                        \ 
            dst[x] += cvtmacro(src1[x])*cvtmacro(src2[x]);                  \ 
    }                                                                       \ 
                                                                            \ 
    return CV_OK;                                                           \ 
} 
 
 
ICV_DEF_ACCPROD_FUNC( 8u32f, uchar, float, CV_8TO32F ) 
ICV_DEF_ACCPROD_FUNC( 32f, float, float, CV_NOP ) 
 
 
#define  ICV_DEF_ACCWEIGHT_FUNC( flavor, srctype, dsttype, cvtmacro )   \ 
IPCVAPI_IMPL( CvStatus, icvAddWeighted_##flavor##_C1IR,                 \ 
( const srctype *src, int srcstep, dsttype *dst, int dststep,           \ 
  CvSize size, dsttype alpha ), (src, srcstep, dst, dststep, size, alpha) )\ 
{                                                                       \ 
    dsttype beta = (dsttype)(1 - alpha);                                \ 
    srcstep /= sizeof(src[0]);                                          \ 
    dststep /= sizeof(dst[0]);                                          \ 
                                                                        \ 
    for( ; size.height--; src += srcstep, dst += dststep )              \ 
    {                                                                   \ 
        int x;                                                          \ 
        for( x = 0; x <= size.width - 4; x += 4 )                       \ 
        {                                                               \ 
            dsttype t0 = dst[x]*beta + cvtmacro(src[x])*alpha;          \ 
            dsttype t1 = dst[x+1]*beta + cvtmacro(src[x+1])*alpha;      \ 
            dst[x] = t0; dst[x + 1] = t1;                               \ 
                                                                        \ 
            t0 = dst[x + 2]*beta + cvtmacro(src[x + 2])*alpha;          \ 
            t1 = dst[x + 3]*beta + cvtmacro(src[x + 3])*alpha;          \ 
            dst[x + 2] = t0; dst[x + 3] = t1;                           \ 
        }                                                               \ 
                                                                        \ 
        for( ; x < size.width; x++ )                                    \ 
            dst[x] = dst[x]*beta + cvtmacro(src[x])*alpha;              \ 
    }                                                                   \ 
                                                                        \ 
    return CV_OK;                                                       \ 
} 
 
 
ICV_DEF_ACCWEIGHT_FUNC( 8u32f, uchar, float, CV_8TO32F ) 
ICV_DEF_ACCWEIGHT_FUNC( 32f, float, float, CV_NOP ) 
 
 
#define  ICV_DEF_ACCMASK_FUNC_C1( name, srctype, dsttype, cvtmacro )    \ 
IPCVAPI_IMPL( CvStatus,                                                 \ 
name,( const srctype *src, int srcstep, const uchar* mask, int maskstep,\ 
       dsttype *dst, int dststep, CvSize size ),                        \ 
       (src, srcstep, mask, maskstep, dst, dststep, size ))             \ 
{                                                                       \ 
    srcstep /= sizeof(src[0]);                                          \ 
    dststep /= sizeof(dst[0]);                                          \ 
                                                                        \ 
    for( ; size.height--; src += srcstep,                               \ 
                          dst += dststep, mask += maskstep )            \ 
    {                                                                   \ 
        int x;                                                          \ 
        for( x = 0; x <= size.width - 2; x += 2 )                       \ 
        {                                                               \ 
            if( mask[x] )                                               \ 
                dst[x] += cvtmacro(src[x]);                             \ 
            if( mask[x+1] )                                             \ 
                dst[x+1] += cvtmacro(src[x+1]);                         \ 
        }                                                               \ 
                                                                        \ 
        for( ; x < size.width; x++ )                                    \ 
            if( mask[x] )                                               \ 
                dst[x] += cvtmacro(src[x]);                             \ 
    }                                                                   \ 
                                                                        \ 
    return CV_OK;                                                       \ 
} 
 
 
ICV_DEF_ACCMASK_FUNC_C1( icvAdd_8u32f_C1IMR, uchar, float, CV_8TO32F ) 
ICV_DEF_ACCMASK_FUNC_C1( icvAdd_32f_C1IMR, float, float, CV_NOP ) 
ICV_DEF_ACCMASK_FUNC_C1( icvAddSquare_8u32f_C1IMR, uchar, float, CV_8TO32F_SQR ) 
ICV_DEF_ACCMASK_FUNC_C1( icvAddSquare_32f_C1IMR, float, float, CV_SQR ) 
 
 
#define  ICV_DEF_ACCPRODUCTMASK_FUNC_C1( flavor, srctype, dsttype, cvtmacro )  \ 
IPCVAPI_IMPL( CvStatus, icvAddProduct_##flavor##_C1IMR,                 \ 
( const srctype *src1, int step1, const srctype* src2, int step2,       \ 
  const uchar* mask, int maskstep, dsttype *dst, int dststep, CvSize size ),\ 
  (src1, step1, src2, step2, mask, maskstep, dst, dststep, size ))      \ 
{                                                                       \ 
    step1 /= sizeof(src1[0]);                                           \ 
    step2 /= sizeof(src2[0]);                                           \ 
    dststep /= sizeof(dst[0]);                                          \ 
                                                                        \ 
    for( ; size.height--; src1 += step1, src2 += step2,                 \ 
                          dst += dststep, mask += maskstep )            \ 
    {                                                                   \ 
        int x;                                                          \ 
        for( x = 0; x <= size.width - 2; x += 2 )                       \ 
        {                                                               \ 
            if( mask[x] )                                               \ 
                dst[x] += cvtmacro(src1[x])*cvtmacro(src2[x]);          \ 
            if( mask[x+1] )                                             \ 
                dst[x+1] += cvtmacro(src1[x+1])*cvtmacro(src2[x+1]);    \ 
        }                                                               \ 
                                                                        \ 
        for( ; x < size.width; x++ )                                    \ 
            if( mask[x] )                                               \ 
                dst[x] += cvtmacro(src1[x])*cvtmacro(src2[x]);          \ 
    }                                                                   \ 
                                                                        \ 
    return CV_OK;                                                       \ 
} 
 
 
ICV_DEF_ACCPRODUCTMASK_FUNC_C1( 8u32f, uchar, float, CV_8TO32F ) 
ICV_DEF_ACCPRODUCTMASK_FUNC_C1( 32f, float, float, CV_NOP ) 
 
#define  ICV_DEF_ACCWEIGHTMASK_FUNC_C1( flavor, srctype, dsttype, cvtmacro ) \ 
IPCVAPI_IMPL( CvStatus, icvAddWeighted_##flavor##_C1IMR,                \ 
( const srctype *src, int srcstep, const uchar* mask, int maskstep,     \ 
  dsttype *dst, int dststep, CvSize size, dsttype alpha ),              \ 
  (src, srcstep, mask, maskstep, dst, dststep, size, alpha ))           \ 
{                                                                       \ 
    dsttype beta = (dsttype)(1 - alpha);                                \ 
    srcstep /= sizeof(src[0]);                                          \ 
    dststep /= sizeof(dst[0]);                                          \ 
                                                                        \ 
    for( ; size.height--; src += srcstep,                               \ 
                          dst += dststep, mask += maskstep )            \ 
    {                                                                   \ 
        int x;                                                          \ 
        for( x = 0; x <= size.width - 2; x += 2 )                       \ 
        {                                                               \ 
            if( mask[x] )                                               \ 
                dst[x] = dst[x]*beta + cvtmacro(src[x])*alpha;          \ 
            if( mask[x+1] )                                             \ 
                dst[x+1] = dst[x+1]*beta + cvtmacro(src[x+1])*alpha;    \ 
        }                                                               \ 
                                                                        \ 
        for( ; x < size.width; x++ )                                    \ 
            if( mask[x] )                                               \ 
                dst[x] = dst[x]*beta + cvtmacro(src[x])*alpha;          \ 
    }                                                                   \ 
                                                                        \ 
    return CV_OK;                                                       \ 
} 
 
ICV_DEF_ACCWEIGHTMASK_FUNC_C1( 8u32f, uchar, float, CV_8TO32F ) 
ICV_DEF_ACCWEIGHTMASK_FUNC_C1( 32f, float, float, CV_NOP ) 
 
 
#define  ICV_DEF_ACCMASK_FUNC_C3( name, srctype, dsttype, cvtmacro )    \ 
IPCVAPI_IMPL( CvStatus,                                                 \ 
name,( const srctype *src, int srcstep, const uchar* mask, int maskstep,\ 
       dsttype *dst, int dststep, CvSize size ),                        \ 
       (src, srcstep, mask, maskstep, dst, dststep, size ))             \ 
{                                                                       \ 
    srcstep /= sizeof(src[0]);                                          \ 
    dststep /= sizeof(dst[0]);                                          \ 
                                                                        \ 
    for( ; size.height--; src += srcstep,                               \ 
                          dst += dststep, mask += maskstep )            \ 
    {                                                                   \ 
        int x;                                                          \ 
        for( x = 0; x < size.width; x++ )                               \ 
            if( mask[x] )                                               \ 
            {                                                           \ 
                dsttype t0, t1, t2;                                     \ 
                t0 = dst[x*3] + cvtmacro(src[x*3]);                     \ 
                t1 = dst[x*3+1] + cvtmacro(src[x*3+1]);                 \ 
                t2 = dst[x*3+2] + cvtmacro(src[x*3+2]);                 \ 
                dst[x*3] = t0;                                          \ 
                dst[x*3+1] = t1;                                        \ 
                dst[x*3+2] = t2;                                        \ 
            }                                                           \ 
    }                                                                   \ 
                                                                        \ 
    return CV_OK;                                                       \ 
} 
 
 
ICV_DEF_ACCMASK_FUNC_C3( icvAdd_8u32f_C3IMR, uchar, float, CV_8TO32F ) 
ICV_DEF_ACCMASK_FUNC_C3( icvAdd_32f_C3IMR, float, float, CV_NOP ) 
ICV_DEF_ACCMASK_FUNC_C3( icvAddSquare_8u32f_C3IMR, uchar, float, CV_8TO32F_SQR ) 
ICV_DEF_ACCMASK_FUNC_C3( icvAddSquare_32f_C3IMR, float, float, CV_SQR ) 
 
 
#define  ICV_DEF_ACCPRODUCTMASK_FUNC_C3( flavor, srctype, dsttype, cvtmacro )  \ 
IPCVAPI_IMPL( CvStatus, icvAddProduct_##flavor##_C3IMR,                 \ 
( const srctype *src1, int step1, const srctype* src2, int step2,       \ 
  const uchar* mask, int maskstep, dsttype *dst, int dststep, CvSize size ),\ 
  (src1, step1, src2, step2, mask, maskstep, dst, dststep, size ))      \ 
{                                                                       \ 
    step1 /= sizeof(src1[0]);                                           \ 
    step2 /= sizeof(src2[0]);                                           \ 
    dststep /= sizeof(dst[0]);                                          \ 
                                                                        \ 
    for( ; size.height--; src1 += step1, src2 += step2,                 \ 
                          dst += dststep, mask += maskstep )            \ 
    {                                                                   \ 
        int x;                                                          \ 
        for( x = 0; x < size.width; x++ )                               \ 
            if( mask[x] )                                               \ 
            {                                                           \ 
                dsttype t0, t1, t2;                                     \ 
                t0 = dst[x*3]+cvtmacro(src1[x*3])*cvtmacro(src2[x*3]);  \ 
                t1 = dst[x*3+1]+cvtmacro(src1[x*3+1])*cvtmacro(src2[x*3+1]);\ 
                t2 = dst[x*3+2]+cvtmacro(src1[x*3+2])*cvtmacro(src2[x*3+2]);\ 
                dst[x*3] = t0;                                          \ 
                dst[x*3+1] = t1;                                        \ 
                dst[x*3+2] = t2;                                        \ 
            }                                                           \ 
    }                                                                   \ 
                                                                        \ 
    return CV_OK;                                                       \ 
} 
 
 
ICV_DEF_ACCPRODUCTMASK_FUNC_C3( 8u32f, uchar, float, CV_8TO32F ) 
ICV_DEF_ACCPRODUCTMASK_FUNC_C3( 32f, float, float, CV_NOP ) 
 
 
#define  ICV_DEF_ACCWEIGHTMASK_FUNC_C3( flavor, srctype, dsttype, cvtmacro ) \ 
IPCVAPI_IMPL( CvStatus, icvAddWeighted_##flavor##_C3IMR,                \ 
( const srctype *src, int srcstep, const uchar* mask, int maskstep,     \ 
  dsttype *dst, int dststep, CvSize size, dsttype alpha ),              \ 
  (src, srcstep, mask, maskstep, dst, dststep, size, alpha ))           \ 
{                                                                       \ 
    dsttype beta = (dsttype)(1 - alpha);                                \ 
    srcstep /= sizeof(src[0]);                                          \ 
    dststep /= sizeof(dst[0]);                                          \ 
                                                                        \ 
    for( ; size.height--; src += srcstep,                               \ 
                          dst += dststep, mask += maskstep )            \ 
    {                                                                   \ 
        int x;                                                          \ 
        for( x = 0; x < size.width; x++ )                               \ 
            if( mask[x] )                                               \ 
            {                                                           \ 
                dsttype t0, t1, t2;                                     \ 
                t0 = dst[x*3]*beta + cvtmacro(src[x*3])*alpha;          \ 
                t1 = dst[x*3+1]*beta + cvtmacro(src[x*3+1])*alpha;      \ 
                t2 = dst[x*3+2]*beta + cvtmacro(src[x*3+2])*alpha;      \ 
                dst[x*3] = t0;                                          \ 
                dst[x*3+1] = t1;                                        \ 
                dst[x*3+2] = t2;                                        \ 
            }                                                           \ 
    }                                                                   \ 
                                                                        \ 
    return CV_OK;                                                       \ 
} 
 
ICV_DEF_ACCWEIGHTMASK_FUNC_C3( 8u32f, uchar, float, CV_8TO32F ) 
ICV_DEF_ACCWEIGHTMASK_FUNC_C3( 32f, float, float, CV_NOP ) 
 
 
#define  ICV_DEF_INIT_ACC_TAB( FUNCNAME )                                           \ 
static  void  icvInit##FUNCNAME##Table( CvFuncTable* tab, CvBigFuncTable* masktab ) \ 
{                                                                                   \ 
    tab->fn_2d[CV_8U] = (void*)icv##FUNCNAME##_8u32f_C1IR;                          \ 
    tab->fn_2d[CV_32F] = (void*)icv##FUNCNAME##_32f_C1IR;                           \ 
                                                                                    \ 
    masktab->fn_2d[CV_8UC1] = (void*)icv##FUNCNAME##_8u32f_C1IMR;                   \ 
    masktab->fn_2d[CV_32FC1] = (void*)icv##FUNCNAME##_32f_C1IMR;                    \ 
                                                                                    \ 
    masktab->fn_2d[CV_8UC3] = (void*)icv##FUNCNAME##_8u32f_C3IMR;                   \ 
    masktab->fn_2d[CV_32FC3] = (void*)icv##FUNCNAME##_32f_C3IMR;                    \ 
} 
 
 
ICV_DEF_INIT_ACC_TAB( Add ) 
ICV_DEF_INIT_ACC_TAB( AddSquare ) 
ICV_DEF_INIT_ACC_TAB( AddProduct ) 
ICV_DEF_INIT_ACC_TAB( AddWeighted ) 
 
 
CV_IMPL void 
cvAcc( const void* arr, void* sumarr, const void* maskarr ) 
{ 
    static CvFuncTable acc_tab; 
    static CvBigFuncTable accmask_tab; 
    static int inittab = 0; 
     
    CV_FUNCNAME( "cvAcc" ); 
 
    __BEGIN__; 
 
    int type, sumdepth; 
    int mat_step, sum_step, mask_step = 0; 
    CvSize size; 
    CvMat stub, *mat = (CvMat*)arr; 
    CvMat sumstub, *sum = (CvMat*)sumarr; 
    CvMat maskstub, *mask = (CvMat*)maskarr; 
 
    if( !inittab ) 
    { 
        icvInitAddTable( &acc_tab, &accmask_tab ); 
        inittab = 1; 
    } 
 
    if( !CV_IS_MAT( mat ) || !CV_IS_MAT( sum )) 
    { 
        int coi1 = 0, coi2 = 0; 
        CV_CALL( mat = cvGetMat( mat, &stub, &coi1 )); 
        CV_CALL( sum = cvGetMat( sum, &sumstub, &coi2 )); 
        if( coi1 + coi2 != 0 ) 
            CV_ERROR( CV_BadCOI, "" ); 
    } 
 
    if( CV_MAT_DEPTH( sum->type ) != CV_32F ) 
        CV_ERROR( CV_BadDepth, "" ); 
 
    if( !CV_ARE_CNS_EQ( mat, sum )) 
        CV_ERROR( CV_StsUnmatchedFormats, "" ); 
 
    sumdepth = CV_MAT_DEPTH( sum->type ); 
    if( sumdepth != CV_32F && (maskarr != 0 || sumdepth != CV_64F)) 
        CV_ERROR( CV_BadDepth, "Bad accumulator type" ); 
 
    if( !CV_ARE_SIZES_EQ( mat, sum )) 
        CV_ERROR( CV_StsUnmatchedSizes, "" ); 
 
    size = cvGetMatSize( mat ); 
    type = CV_MAT_TYPE( mat->type ); 
 
    mat_step = mat->step; 
    sum_step = sum->step; 
 
    if( !mask ) 
    { 
        CvFunc2D_2A func=(CvFunc2D_2A)acc_tab.fn_2d[CV_MAT_DEPTH(type)]; 
 
        if( !func ) 
            CV_ERROR( CV_StsUnsupportedFormat, "Unsupported type combination" ); 
 
        size.width *= CV_MAT_CN(type); 
        if( CV_IS_MAT_CONT( mat->type & sum->type )) 
        { 
            size.width *= size.height; 
            mat_step = sum_step = CV_STUB_STEP; 
            size.height = 1; 
        } 
 
        IPPI_CALL( func( mat->data.ptr, mat_step, sum->data.ptr, sum_step, size )); 
    } 
    else 
    { 
        CvFunc2D_3A func = (CvFunc2D_3A)accmask_tab.fn_2d[type]; 
 
        if( !func ) 
            CV_ERROR( CV_StsUnsupportedFormat, "" ); 
 
        CV_CALL( mask = cvGetMat( mask, &maskstub )); 
 
        if( !CV_IS_MASK_ARR( mask )) 
            CV_ERROR( CV_StsBadMask, "" ); 
 
        if( !CV_ARE_SIZES_EQ( mat, mask )) 
            CV_ERROR( CV_StsUnmatchedSizes, "" );             
 
        mask_step = mask->step; 
 
        if( CV_IS_MAT_CONT( mat->type & sum->type & mask->type )) 
        { 
            size.width *= size.height; 
            mat_step = sum_step = mask_step = CV_STUB_STEP; 
            size.height = 1; 
        } 
 
        IPPI_CALL( func( mat->data.ptr, mat_step, mask->data.ptr, mask_step, 
                         sum->data.ptr, sum_step, size )); 
    } 
 
    __END__; 
} 
 
 
CV_IMPL void 
cvSquareAcc( const void* arr, void* sq_sum, const void* maskarr ) 
{ 
    static CvFuncTable acc_tab; 
    static CvBigFuncTable accmask_tab; 
    static int inittab = 0; 
     
    CV_FUNCNAME( "cvSquareAcc" ); 
 
    __BEGIN__; 
 
    int coi1, coi2; 
    int type; 
    int mat_step, sum_step, mask_step = 0; 
    CvSize size; 
    CvMat stub, *mat = (CvMat*)arr; 
    CvMat sumstub, *sum = (CvMat*)sq_sum; 
    CvMat maskstub, *mask = (CvMat*)maskarr; 
 
    if( !inittab ) 
    { 
        icvInitAddSquareTable( &acc_tab, &accmask_tab ); 
        inittab = 1; 
    } 
 
    CV_CALL( mat = cvGetMat( mat, &stub, &coi1 )); 
    CV_CALL( sum = cvGetMat( sum, &sumstub, &coi2 )); 
 
    if( coi1 != 0 || coi2 != 0 ) 
        CV_ERROR( CV_BadCOI, "" ); 
 
    if( !CV_ARE_CNS_EQ( mat, sum )) 
        CV_ERROR( CV_StsUnmatchedFormats, "" ); 
 
    if( CV_MAT_DEPTH( sum->type ) != CV_32F ) 
        CV_ERROR( CV_BadDepth, "" ); 
 
    if( !CV_ARE_SIZES_EQ( mat, sum )) 
        CV_ERROR( CV_StsUnmatchedSizes, "" ); 
 
    size = cvGetMatSize( mat ); 
    type = CV_MAT_TYPE( mat->type ); 
 
    mat_step = mat->step; 
    sum_step = sum->step; 
 
    if( !mask ) 
    { 
        CvFunc2D_2A func = (CvFunc2D_2A)acc_tab.fn_2d[CV_MAT_DEPTH(type)]; 
 
        if( !func ) 
            CV_ERROR( CV_StsUnsupportedFormat, "" ); 
 
        size.width *= CV_MAT_CN(type); 
 
        if( CV_IS_MAT_CONT( mat->type & sum->type )) 
        { 
            size.width *= size.height; 
            mat_step = sum_step = CV_STUB_STEP;; 
            size.height = 1; 
        } 
 
        IPPI_CALL( func( mat->data.ptr, mat_step, sum->data.ptr, sum_step, size )); 
    } 
    else 
    { 
        CvFunc2D_3A func = (CvFunc2D_3A)accmask_tab.fn_2d[type]; 
 
        if( !func ) 
            CV_ERROR( CV_StsUnsupportedFormat, "" ); 
 
        CV_CALL( mask = cvGetMat( mask, &maskstub )); 
 
        if( !CV_IS_MASK_ARR( mask )) 
            CV_ERROR( CV_StsBadMask, "" ); 
 
        if( !CV_ARE_SIZES_EQ( mat, mask )) 
            CV_ERROR( CV_StsUnmatchedSizes, "" );             
 
        mask_step = mask->step; 
 
        if( CV_IS_MAT_CONT( mat->type & sum->type & mask->type )) 
        { 
            size.width *= size.height; 
            mat_step = sum_step = mask_step = CV_STUB_STEP; 
            size.height = 1; 
        } 
 
        IPPI_CALL( func( mat->data.ptr, mat_step, mask->data.ptr, mask_step, 
                         sum->data.ptr, sum_step, size )); 
    } 
 
    __END__; 
} 
 
 
CV_IMPL void 
cvMultiplyAcc( const void* arrA, const void* arrB, 
               void* acc, const void* maskarr ) 
{ 
    static CvFuncTable acc_tab; 
    static CvBigFuncTable accmask_tab; 
    static int inittab = 0; 
     
    CV_FUNCNAME( "cvMultiplyAcc" ); 
 
    __BEGIN__; 
 
    int coi1, coi2, coi3; 
    int type; 
    int mat1_step, mat2_step, sum_step, mask_step = 0; 
    CvSize size; 
    CvMat stub1, *mat1 = (CvMat*)arrA; 
    CvMat stub2, *mat2 = (CvMat*)arrB; 
    CvMat sumstub, *sum = (CvMat*)acc; 
    CvMat maskstub, *mask = (CvMat*)maskarr; 
 
    if( !inittab ) 
    { 
        icvInitAddProductTable( &acc_tab, &accmask_tab ); 
        inittab = 1; 
    } 
 
    CV_CALL( mat1 = cvGetMat( mat1, &stub1, &coi1 )); 
    CV_CALL( mat2 = cvGetMat( mat2, &stub2, &coi2 )); 
    CV_CALL( sum = cvGetMat( sum, &sumstub, &coi3 )); 
 
    if( coi1 != 0 || coi2 != 0 || coi3 != 0 ) 
        CV_ERROR( CV_BadCOI, "" ); 
 
    if( !CV_ARE_CNS_EQ( mat1, mat2 ) || !CV_ARE_CNS_EQ( mat1, sum )) 
        CV_ERROR( CV_StsUnmatchedFormats, "" ); 
 
    if( CV_MAT_DEPTH( sum->type ) != CV_32F ) 
        CV_ERROR( CV_BadDepth, "" ); 
 
    if( !CV_ARE_SIZES_EQ( mat1, sum ) || !CV_ARE_SIZES_EQ( mat2, sum )) 
        CV_ERROR( CV_StsUnmatchedSizes, "" ); 
 
    size = cvGetMatSize( mat1 ); 
    type = CV_MAT_TYPE( mat1->type ); 
 
    mat1_step = mat1->step; 
    mat2_step = mat2->step; 
    sum_step = sum->step; 
 
    if( !mask ) 
    { 
        CvFunc2D_3A func = (CvFunc2D_3A)acc_tab.fn_2d[CV_MAT_DEPTH(type)]; 
 
        if( !func ) 
            CV_ERROR( CV_StsUnsupportedFormat, "" ); 
 
        size.width *= CV_MAT_CN(type); 
 
        if( CV_IS_MAT_CONT( mat1->type & mat2->type & sum->type )) 
        { 
            size.width *= size.height; 
            mat1_step = mat2_step = sum_step = CV_STUB_STEP; 
            size.height = 1; 
        } 
 
        IPPI_CALL( func( mat1->data.ptr, mat1_step, mat2->data.ptr, mat2_step, 
                         sum->data.ptr, sum_step, size )); 
    } 
    else 
    { 
        CvFunc2D_4A func = (CvFunc2D_4A)accmask_tab.fn_2d[type]; 
 
        if( !func ) 
            CV_ERROR( CV_StsUnsupportedFormat, "" ); 
 
        CV_CALL( mask = cvGetMat( mask, &maskstub )); 
 
        if( !CV_IS_MASK_ARR( mask )) 
            CV_ERROR( CV_StsBadMask, "" ); 
 
        if( !CV_ARE_SIZES_EQ( mat1, mask )) 
            CV_ERROR( CV_StsUnmatchedSizes, "" ); 
 
        mask_step = mask->step; 
 
        if( CV_IS_MAT_CONT( mat1->type & mat2->type & sum->type & mask->type )) 
        { 
            size.width *= size.height; 
            mat1_step = mat2_step = sum_step = mask_step = CV_STUB_STEP; 
            size.height = 1; 
        } 
 
        IPPI_CALL( func( mat1->data.ptr, mat1_step, mat2->data.ptr, mat2_step, 
                         mask->data.ptr, mask_step, 
                         sum->data.ptr, sum_step, size )); 
    } 
 
    __END__; 
} 
 
 
typedef CvStatus (CV_STDCALL *CvAddWeightedFunc)( const void* src, int srcstep, 
                                                  void* dst, int dststep, 
                                                  CvSize size, float alpha ); 
 
typedef CvStatus (CV_STDCALL *CvAddWeightedMaskFunc)( const void* src, int srcstep, 
                                                      void* dst, int dststep, 
                                                      const void* mask, int maskstep, 
                                                      CvSize size, float alpha ); 
 
CV_IMPL void 
cvRunningAvg( const void* arrY, void* arrU, 
              double alpha, const void* maskarr ) 
{ 
    static CvFuncTable acc_tab; 
    static CvBigFuncTable accmask_tab; 
    static int inittab = 0; 
     
    CV_FUNCNAME( "cvRunningAvg" ); 
 
    __BEGIN__; 
 
    int coi1, coi2; 
    int type; 
    int mat_step, sum_step, mask_step = 0; 
    CvSize size; 
    CvMat stub, *mat = (CvMat*)arrY; 
    CvMat sumstub, *sum = (CvMat*)arrU; 
    CvMat maskstub, *mask = (CvMat*)maskarr; 
 
    if( !inittab ) 
    { 
        icvInitAddWeightedTable( &acc_tab, &accmask_tab ); 
        inittab = 1; 
    } 
 
    CV_CALL( mat = cvGetMat( mat, &stub, &coi1 )); 
    CV_CALL( sum = cvGetMat( sum, &sumstub, &coi2 )); 
 
    if( coi1 != 0 || coi2 != 0 ) 
        CV_ERROR( CV_BadCOI, "" ); 
 
    if( !CV_ARE_CNS_EQ( mat, sum )) 
        CV_ERROR( CV_StsUnmatchedFormats, "" ); 
 
    if( CV_MAT_DEPTH( sum->type ) != CV_32F ) 
        CV_ERROR( CV_BadDepth, "" ); 
 
    if( !CV_ARE_SIZES_EQ( mat, sum )) 
        CV_ERROR( CV_StsUnmatchedSizes, "" ); 
 
    size = cvGetMatSize( mat ); 
    type = CV_MAT_TYPE( mat->type ); 
 
    mat_step = mat->step; 
    sum_step = sum->step; 
 
    if( !mask ) 
    { 
        CvAddWeightedFunc func = (CvAddWeightedFunc)acc_tab.fn_2d[CV_MAT_DEPTH(type)]; 
 
        if( !func ) 
            CV_ERROR( CV_StsUnsupportedFormat, "" ); 
 
        size.width *= CV_MAT_CN(type); 
        if( CV_IS_MAT_CONT( mat->type & sum->type )) 
        { 
            size.width *= size.height; 
            mat_step = sum_step = CV_STUB_STEP; 
            size.height = 1; 
        } 
 
        IPPI_CALL( func( mat->data.ptr, mat_step, 
                         sum->data.ptr, sum_step, size, (float)alpha )); 
    } 
    else 
    { 
        CvAddWeightedMaskFunc func = (CvAddWeightedMaskFunc)accmask_tab.fn_2d[type]; 
 
        if( !func ) 
            CV_ERROR( CV_StsUnsupportedFormat, "" ); 
 
        CV_CALL( mask = cvGetMat( mask, &maskstub )); 
 
        if( !CV_IS_MASK_ARR( mask )) 
            CV_ERROR( CV_StsBadMask, "" ); 
 
        if( !CV_ARE_SIZES_EQ( mat, mask )) 
            CV_ERROR( CV_StsUnmatchedSizes, "" ); 
 
        mask_step = mask->step; 
 
        if( CV_IS_MAT_CONT( mat->type & sum->type & mask->type )) 
        { 
            size.width *= size.height; 
            mat_step = sum_step = mask_step = CV_STUB_STEP; 
            size.height = 1; 
        } 
 
        IPPI_CALL( func( mat->data.ptr, mat_step, mask->data.ptr, mask_step, 
                         sum->data.ptr, sum_step, size, (float)alpha )); 
    } 
 
    __END__; 
} 
 
 
/* End of file. */