145 lines
3.9 KiB
C++
145 lines
3.9 KiB
C++
/* This file is a part of plaYUVer project
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* Copyright (C) 2014 by Luis Lucas (luisfrlucas@gmail.com)
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* Joao Carreira (jfmcarreira@gmail.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/**
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* \file LibMemAlloc.cpp
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* \brief memory allocation functions
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*/
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#include "LibMemAlloc.h"
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namespace plaYUVer
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{
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/*!
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************************************************************************
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* \brief
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* Allocate 1D memory array -> Pel array1D[dim0
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*
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* \par Output:
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* memory size in bytes
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************************************************************************/
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int get_mem1Dpel( Pel **array1D, int dim0 )
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{
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if( ( *array1D = ( Pel* )mem_calloc( dim0, sizeof(Pel) ) ) == NULL )
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return 0;
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return ( sizeof(Pel*) + dim0 * sizeof(Pel) );
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}
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/*!
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************************************************************************
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* \brief
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* Allocate 2D memory array -> Pel array2D[dim0][dim1]
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*
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* \par Output:
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* memory size in bytes
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************************************************************************/
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int get_mem2Dpel( Pel ***array2D, int dim0, int dim1 )
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{
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int i;
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if( ( *array2D = ( Pel** )mem_malloc( dim0 * sizeof(Pel*) ) ) == NULL )
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return 0;
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if( ( *( *array2D ) = ( Pel* )mem_malloc( dim0 * dim1 * sizeof(Pel) ) ) == NULL )
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return 0;
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for( i = 1; i < dim0; i++ )
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{
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( *array2D )[i] = ( *array2D )[i - 1] + dim1;
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}
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return dim0 * ( sizeof(Pel*) + dim1 * sizeof(Pel) );
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}
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/*!
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************************************************************************
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* \brief
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* Allocate 3D memory array -> Pel array3D[dim0][dim1][dim2]
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*
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* \par Output:
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* memory size in bytes
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************************************************************************
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*/
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int get_mem3Dpel( Pel ****array3D, int dim0, int dim1, int dim2 )
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{
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int i, mem_size = dim0 * sizeof(Pel**);
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if( ( ( *array3D ) = ( Pel*** )malloc( dim0 * sizeof(Pel**) ) ) == NULL )
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return 0;
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mem_size += get_mem2Dpel( *array3D, dim0 * dim1, dim2 );
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for( i = 1; i < dim0; i++ )
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( *array3D )[i] = ( *array3D )[i - 1] + dim1;
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return mem_size;
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}
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/*!
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************************************************************************
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* \brief
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* free 1D memory array
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* which was allocated with get_mem1Dpel()
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************************************************************************
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*/
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void free_mem1Dpel( Pel *array1D )
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{
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if( array1D )
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{
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mem_free( array1D );
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}
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}
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/*!
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************************************************************************
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* \brief
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* free 2D memory array
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* which was allocated with get_mem2Dpel()
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************************************************************************
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*/
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void free_mem2Dpel( Pel **array2D )
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{
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if( array2D )
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{
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if( *array2D )
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mem_free( *array2D );
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mem_free( array2D );
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}
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}
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/*!
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************************************************************************
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* \brief
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* free 3D memory array
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* which was allocated with get_mem3Dpel()
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************************************************************************
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*/
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void free_mem3Dpel( Pel ***array3D )
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{
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if( array3D )
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{
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free_mem2Dpel( *array3D );
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mem_free( array3D );
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}
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}
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} // NAMESPACE
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