616 lines
19 KiB
C++
Executable file
616 lines
19 KiB
C++
Executable file
/******************************************************************************\
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* Copyright (c) 2004-2009
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*
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* Author(s):
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* Volker Fischer
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*
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******************************************************************************
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option) any later
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* version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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\******************************************************************************/
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#if !defined ( UTIL_HOIH934256GEKJH98_3_43445KJIUHF1912__INCLUDED_ )
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#define UTIL_HOIH934256GEKJH98_3_43445KJIUHF1912__INCLUDED_
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#include <qhostaddress.h>
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#include <qmenu.h>
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#include <qwhatsthis.h>
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#include <qtextbrowser.h>
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#include <qlabel.h>
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#include <qdatetime.h>
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#include <qfile.h>
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#include <vector>
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#include "global.h"
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using namespace std; // because of the library: "vector"
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#ifdef _WIN32
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# include "../windows/moc/aboutdlgbase.h"
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# include <windows.h>
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# include <mmsystem.h>
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#else
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# include "moc/aboutdlgbase.h"
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#endif
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/* Definitions ****************************************************************/
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#define METER_FLY_BACK 2
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/* Global functions ***********************************************************/
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// converting double to short
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inline short Double2Short ( const double dInput )
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{
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// lower bound
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if ( dInput < _MINSHORT )
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{
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return _MINSHORT;
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}
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// upper bound
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if ( dInput > _MAXSHORT )
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{
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return _MAXSHORT;
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}
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return (short) dInput;
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}
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// debug error handling
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void DebugError ( const QString& pchErDescr, const QString& pchPar1Descr,
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const double dPar1, const QString& pchPar2Descr,
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const double dPar2 );
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/******************************************************************************\
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* CVector base class *
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\******************************************************************************/
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template<class TData> class CVector : public std::vector<TData>
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{
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public:
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CVector() : iVectorSize ( 0 ) { pData = this->begin(); }
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CVector ( const int iNeSi ) { Init(iNeSi); }
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CVector ( const int iNeSi, const TData tInVa ) { Init ( iNeSi, tInVa ); }
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virtual ~CVector() {}
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/* Copy constructor: The order of the initialization list must not be
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changed. First, the base class must be initialized, then the pData
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pointer must be set to the new data source. The bit access is, by
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default, reset */
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CVector ( const CVector<TData>& vecI ) :
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std::vector<TData> ( static_cast<const std::vector<TData>&> ( vecI ) ),
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iVectorSize ( vecI.Size() ) { pData = this->begin(); }
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void Init ( const int iNewSize );
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// use this init to give all elements a defined value
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void Init ( const int iNewSize, const TData tIniVal );
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void Reset ( const TData tResetVal );
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void Enlarge ( const int iAddedSize );
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void Add ( const TData& tI ) { Enlarge ( 1 ); pData[iVectorSize - 1] = tI; }
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inline int Size() const { return iVectorSize; }
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/* This operator allows for a l-value assignment of this object:
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CVector[x] = y is possible */
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inline TData& operator[] ( const int iPos ) {
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#ifdef _DEBUG_
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if ( ( iPos < 0 ) || ( iPos > iVectorSize - 1 ) )
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{
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DebugError ( "Writing vector out of bounds", "Vector size",
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iVectorSize, "New parameter", iPos );
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}
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#endif
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return pData[iPos]; }
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inline TData operator[] ( const int iPos ) const {
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#ifdef _DEBUG_
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if ( ( iPos < 0 ) || ( iPos > iVectorSize - 1 ) )
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{
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DebugError ( "Reading vector out of bounds", "Vector size",
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iVectorSize, "New parameter", iPos );
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}
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#endif
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return pData[iPos]; }
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inline CVector<TData>& operator= ( const CVector<TData>& vecI ) {
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#ifdef _DEBUG_
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/* Vectors which shall be copied MUST have same size! (If this is
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satisfied, the parameter "iVectorSize" must not be adjusted as
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a side effect) */
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if ( vecI.Size() != iVectorSize )
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{
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DebugError ( "Vector operator=() different size", "Vector size",
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iVectorSize, "New parameter", vecI.Size() );
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}
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#endif
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vector<TData>::operator= ( vecI );
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/* Reset my data pointer in case, the operator=() of the base class
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did change the actual memory */
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pData = this->begin();
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return *this;
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}
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protected:
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typename std::vector<TData>::iterator pData;
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int iVectorSize;
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};
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/* Implementation *************************************************************/
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template<class TData> void CVector<TData>::Init ( const int iNewSize )
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{
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iVectorSize = iNewSize;
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/* Clear old buffer and reserve memory for new buffer, get iterator
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for pointer operations */
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this->clear();
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this->resize ( iNewSize );
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pData = this->begin();
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}
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template<class TData> void CVector<TData>::Init ( const int iNewSize,
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const TData tIniVal )
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{
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// call actual init routine
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Init ( iNewSize );
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// set values
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Reset ( tIniVal );
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}
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template<class TData> void CVector<TData>::Enlarge ( const int iAddedSize )
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{
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iVectorSize += iAddedSize;
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this->resize ( iVectorSize );
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/* We have to reset the pointer since it could be that the vector size was
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zero before enlarging the vector */
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pData = this->begin();
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}
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template<class TData> void CVector<TData>::Reset ( const TData tResetVal )
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{
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// set all values to reset value
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for ( int i = 0; i < iVectorSize; i++ )
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{
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pData[i] = tResetVal;
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}
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}
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/******************************************************************************\
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* CFIFO class (first in, first out) *
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\******************************************************************************/
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template<class TData> class CFIFO : public CVector<TData>
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{
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public:
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CFIFO() : CVector<TData>(), iCurIdx ( 0 ) {}
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CFIFO ( const int iNeSi ) : CVector<TData>(iNeSi), iCurIdx ( 0 ) {}
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CFIFO ( const int iNeSi, const TData tInVa ) :
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CVector<TData> ( iNeSi, tInVa ), iCurIdx ( 0 ) {}
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void Add ( const TData tNewD );
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inline TData Get() { return this->pData[iCurIdx]; }
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virtual void Init ( const int iNewSize );
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virtual void Init ( const int iNewSize, const TData tIniVal );
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protected:
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int iCurIdx;
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};
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template<class TData> void CFIFO<TData>::Init ( const int iNewSize )
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{
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iCurIdx = 0;
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CVector<TData>::Init ( iNewSize );
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}
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template<class TData> void CFIFO<TData>::Init ( const int iNewSize,
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const TData tIniVal )
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{
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iCurIdx = 0;
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CVector<TData>::Init ( iNewSize, tIniVal );
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}
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template<class TData> void CFIFO<TData>::Add ( const TData tNewD )
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{
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this->pData[iCurIdx] = tNewD;
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// increment index
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iCurIdx++;
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if ( iCurIdx >= this->iVectorSize )
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{
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iCurIdx = 0;
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}
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}
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/******************************************************************************\
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* CMovingAv class (moving average) *
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\******************************************************************************/
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template<class TData> class CMovingAv : public CVector<TData>
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{
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public:
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CMovingAv() : CVector<TData>(), iCurIdx ( 0 ), iNorm ( 0 ),
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tCurAvResult ( TData ( 0 ) ) {}
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CMovingAv ( const int iNeSi ) : CVector<TData> ( iNeSi ), iCurIdx ( 0 ),
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iNorm ( 0 ), tCurAvResult ( TData ( 0 ) ) {}
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CMovingAv ( const int iNeSi, const TData tInVa ) :
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CVector<TData> ( iNeSi, tInVa ), iCurIdx ( 0 ), iNorm ( 0 ),
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tCurAvResult ( TData ( 0 ) ) {}
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void Add ( const TData tNewD );
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inline TData GetAverage()
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{
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if ( this->iNorm == 0 )
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{
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return TData ( 0 );
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}
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else
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{
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return tCurAvResult / this->iNorm;
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}
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}
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virtual void Init ( const int iNewSize );
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void InitVec ( const int iNewSize, const int iNewVecSize );
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void Reset();
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bool IsInitialized() { return ( this->iNorm == this->iVectorSize ); }
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protected:
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int iCurIdx;
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int iNorm;
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TData tCurAvResult;
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};
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template<class TData> void CMovingAv<TData>::Init ( const int iNewSize )
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{
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iNorm = 0;
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iCurIdx = 0;
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tCurAvResult = TData ( 0 ); // only for scalars!
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CVector<TData>::Init ( iNewSize );
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}
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template<class TData> void CMovingAv<TData>::Reset()
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{
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iNorm = 0;
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iCurIdx = 0;
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tCurAvResult = TData ( 0 ); // only for scalars!
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CVector<TData>::Reset ( TData ( 0 ) );
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}
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template<class TData> void CMovingAv<TData>::Add ( const TData tNewD )
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{
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/*
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Optimized calculation of the moving average. We only add a new value and
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subtract the old value from the result. We only need one addition and a
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history buffer
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*/
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// subtract oldest value
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tCurAvResult -= this->pData[iCurIdx];
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// add new value and write in memory
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tCurAvResult += tNewD;
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this->pData[iCurIdx] = tNewD;
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// increase position pointer and test if wrap
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iCurIdx++;
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if ( iCurIdx >= this->iVectorSize )
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{
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iCurIdx = 0;
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}
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// take care of norm
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if ( this->iNorm < this->iVectorSize )
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{
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this->iNorm++;
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}
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}
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/******************************************************************************\
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* GUI utilities *
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\******************************************************************************/
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// About dialog ----------------------------------------------------------------
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class CAboutDlg : public QDialog, private Ui_CAboutDlgBase
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{
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Q_OBJECT
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public:
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CAboutDlg ( QWidget* parent = 0 );
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static QString GetVersionAndNameStr ( const bool bWithHtml = true );
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};
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// Help menu -------------------------------------------------------------------
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class CLlconHelpMenu : public QMenu
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{
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Q_OBJECT
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public:
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CLlconHelpMenu ( QWidget* parent = 0 );
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protected:
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CAboutDlg AboutDlg;
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public slots:
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void OnHelpWhatsThis() { QWhatsThis::enterWhatsThisMode(); }
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void OnHelpAbout() { AboutDlg.exec(); }
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};
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/* Other Classes **************************************************************/
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// Stereo Signal Level Meter ---------------------------------------------------
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class CStereoSignalLevelMeter
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{
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public:
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CStereoSignalLevelMeter() { Reset(); }
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virtual ~CStereoSignalLevelMeter() {}
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void Update ( CVector<short>& vecsAudio );
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double MicLevelLeft() { return CalcLogResult ( dCurLevelL ); }
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double MicLevelRight() { return CalcLogResult ( dCurLevelR ); }
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void Reset() { dCurLevelL = 0.0; dCurLevelR = 0.0; }
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protected:
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double CalcLogResult ( const double& dLinearLevel );
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double UpdateCurLevel ( double dCurLevel, const short& sMax );
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double dCurLevelL;
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double dCurLevelR;
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};
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class CHostAddress
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{
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public:
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CHostAddress() : InetAddr ( (quint32) 0 ), iPort ( 0 ) {}
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CHostAddress ( const QHostAddress NInetAddr, const quint16 iNPort ) :
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InetAddr ( NInetAddr ), iPort ( iNPort ) {}
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CHostAddress ( const CHostAddress& NHAddr ) :
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InetAddr ( NHAddr.InetAddr ), iPort ( NHAddr.iPort ) {}
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// copy and compare operators
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CHostAddress& operator= ( const CHostAddress& NHAddr )
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{ InetAddr = NHAddr.InetAddr; iPort = NHAddr.iPort; return *this; }
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bool operator== ( const CHostAddress& CompAddr ) // compare operator
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{ return ( ( CompAddr.InetAddr == InetAddr ) && ( CompAddr.iPort == iPort ) ); }
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QString GetIpAddressStringNoLastByte() const
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{
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// remove the last byte of the IP address
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return InetAddr.toString().section ( ".", 0, 2 ) + ".x";
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}
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QHostAddress InetAddr;
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quint16 iPort;
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};
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class CChannelShortInfo
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{
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public:
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CChannelShortInfo() : iChanID ( 0 ), iIpAddr ( 0 ), strName ( "" ) {}
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CChannelShortInfo ( const int iNID, const quint32 nIP, const QString nN ) :
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iChanID ( iNID ), iIpAddr ( nIP ), strName ( nN ) {}
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int iChanID;
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quint32 iIpAddr;
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QString strName;
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};
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enum EAudComprType
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{
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CT_NONE = 0,
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CT_CELT = 1
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};
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enum EGetDataStat
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{
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GS_BUFFER_OK,
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GS_BUFFER_UNDERRUN,
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GS_CHAN_NOW_DISCONNECTED,
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GS_CHAN_NOT_CONNECTED
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};
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class CNetworkTransportProps
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{
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public:
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CNetworkTransportProps() : iNetworkPacketSize ( 0 ), iBlockSizeFact ( 0 ),
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iNumAudioChannels ( 0 ), iSampleRate ( 0 ),
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eAudioCodingType ( CT_NONE ), iAudioCodingArg ( 0 ) {}
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CNetworkTransportProps ( const uint32_t iNNPS, const uint16_t iNBSF,
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const uint32_t iNNACH, const uint32_t iNSR,
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const EAudComprType eNACT, const uint32_t iNVers, const int32_t iNACA ) :
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iNetworkPacketSize ( iNNPS ), iBlockSizeFact ( iNBSF ),
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iNumAudioChannels ( iNNACH ), iSampleRate ( iNSR ),
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eAudioCodingType ( eNACT ), iVersion ( iNVers ),
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iAudioCodingArg ( iNACA ) {}
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uint32_t iNetworkPacketSize;
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uint16_t iBlockSizeFact;
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uint32_t iNumAudioChannels;
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uint32_t iSampleRate;
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EAudComprType eAudioCodingType;
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uint32_t iVersion;
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int32_t iAudioCodingArg;
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};
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class CSndCrdBufferSizes
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{
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public:
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// we use a conservative value as default, this value does not
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// give perfekt latency results but should work ok on most
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// sound cards and drivers
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static int GetDefaultIndex() { return 1; }
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static int GetNumOfBufferSizes() { return 4; }
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static int GetBufferSizeFromIndex ( const int iIdx )
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{
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if ( ( iIdx >= 0 ) && ( iIdx < 4 ) )
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{
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const int pSizes[4] = { 128, 256, 512, 1024 };
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return pSizes[iIdx];
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}
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else
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{
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return 0;
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}
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}
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};
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// Audio Reverbration ----------------------------------------------------------
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class CAudioReverb
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{
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public:
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CAudioReverb() {}
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void Init ( const int iSampleRate, const double rT60 = (double) 5.0 );
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void Clear();
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double ProcessSample ( const double input );
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protected:
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void setT60 ( const double rT60, const int iSampleRate );
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bool isPrime ( const int number );
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CFIFO<int> allpassDelays_[3];
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CFIFO<int> combDelays_[4];
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double allpassCoefficient_;
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double combCoefficient_[4];
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};
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// CRC -------------------------------------------------------------------------
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class CCRC
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{
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public:
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CCRC() : iPoly ( ( 1 << 5 ) | ( 1 << 12 ) ), iBitOutMask ( 1 << 16 )
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{ Reset(); }
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virtual ~CCRC() {}
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void Reset();
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void AddByte ( const uint8_t byNewInput );
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bool CheckCRC ( const uint32_t iCRC ) { return iCRC == GetCRC(); }
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uint32_t GetCRC();
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protected:
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uint32_t iBitOutMask;
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uint32_t iPoly;
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uint32_t iStateShiftReg;
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};
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// Mathematics utilities -------------------------------------------------------
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class LlconMath
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{
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public:
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static int round ( double x )
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{
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return (int) ( ( x - floor ( x ) ) >= 0.5 ) ? ceil(x) : floor(x);
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}
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};
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// Precise time ----------------------------------------------------------------
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// needed for ping measurement
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class CPreciseTime
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{
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public:
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#ifdef _WIN32
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// for the Windows version we have to define a minimum timer precision
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// -> set it to 1 ms
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CPreciseTime() { timeBeginPeriod ( 1 ); }
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virtual ~CPreciseTime() { timeEndPeriod ( 1 ); }
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#endif
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// precise time (on Windows the QTime is not precise enough)
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int elapsed()
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{
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#ifdef _WIN32
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return timeGetTime();
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#else
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return QTime().elapsed();
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#endif
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}
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};
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/******************************************************************************\
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* Cycle Time Variance Measurement *
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\******************************************************************************/
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// use for, e.g., measuring the variance of a timer
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class CCycleTimeVariance
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{
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public:
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CCycleTimeVariance() : iBlockLengthAtSystemSampleRate ( 0 ) {}
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virtual ~CCycleTimeVariance() {}
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void Init ( const int iNewBlockLengthAtSystemSampleRate,
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const int iNewSystemSampleRate,
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const int iHistoryLengthTime )
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{
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// store block size and sample rate
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iBlockLengthAtSystemSampleRate = iNewBlockLengthAtSystemSampleRate;
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iSystemSampleRate = iNewSystemSampleRate;
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// calculate actual moving average length and initialize buffer
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RespTimeMoAvBuf.Init ( iHistoryLengthTime *
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iNewSystemSampleRate / iNewBlockLengthAtSystemSampleRate );
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}
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int GetBlockLength() { return iBlockLengthAtSystemSampleRate; }
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void Reset()
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{
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TimeLastBlock = PreciseTime.elapsed();
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RespTimeMoAvBuf.Reset();
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}
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void Update()
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{
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// add time difference
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const int CurTime = PreciseTime.elapsed();
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// we want to calculate the standard deviation (we assume that the mean
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// is correct at the block period time)
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const double dCurAddVal = ( (double) ( CurTime - TimeLastBlock ) -
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( iBlockLengthAtSystemSampleRate * 1000 / iSystemSampleRate ) );
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RespTimeMoAvBuf.Add ( dCurAddVal * dCurAddVal ); // add squared value
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// store old time value
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TimeLastBlock = CurTime;
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}
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// return the standard deviation, for that we need to calculate
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// the sqaure root
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double GetStdDev() { return sqrt ( RespTimeMoAvBuf.GetAverage() ); }
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bool IsInitialized() { return RespTimeMoAvBuf.IsInitialized(); }
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protected:
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CPreciseTime PreciseTime;
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CMovingAv<double> RespTimeMoAvBuf;
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int TimeLastBlock;
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int iBlockLengthAtSystemSampleRate;
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int iSystemSampleRate;
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};
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#endif /* !defined ( UTIL_HOIH934256GEKJH98_3_43445KJIUHF1912__INCLUDED_ ) */
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