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add queen mary DSP library

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git-svn-id: svn://localhost/ardour2/branches/3.0@9029 d708f5d6-7413-0410-9779-e7cbd77b26cf
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Paul Davis 2011-03-02 12:37:39 +00:00
parent fa41cfef58
commit 3deba1921b
85 changed files with 69852 additions and 0 deletions
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69
libs/qm-dsp/dsp/signalconditioning/DFProcess.h Normal file
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
QM DSP Library
Centre for Digital Music, Queen Mary, University of London.
This file 2005-2006 Christian Landone.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version. See the file
COPYING included with this distribution for more information.
*/
#ifndef CDFPROCESS_H
#define CDFPROCESS_H
#include <stdio.h>
#include "FiltFilt.h"
struct DFProcConfig{
unsigned int length;
unsigned int LPOrd;
double *LPACoeffs;
double *LPBCoeffs;
unsigned int winPre;
unsigned int winPost;
double AlphaNormParam;
bool isMedianPositive;
};
class DFProcess
{
public:
DFProcess( DFProcConfig Config );
virtual ~DFProcess();
void process( double* src, double* dst );
private:
void initialise( DFProcConfig Config );
void deInitialise();
void removeDCNormalize( double *src, double*dst );
void medianFilter( double* src, double* dst );
int m_length;
int m_FFOrd;
int m_winPre;
int m_winPost;
double m_alphaNormParam;
double* filtSrc;
double* filtDst;
double* m_filtScratchIn;
double* m_filtScratchOut;
FiltFiltConfig m_FilterConfigParams;
FiltFilt* m_FiltFilt;
bool m_isMedianPositive;
};
#endif