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/***************************************************************************
* enginefilter.h - Wrapper for FidLib Filter Library *
* ---------------------- *
* copyright : (C) 2007 by John Sully *
* email : jsully@scs.ryerson.ca *
* *
**************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#pragma once
#define MIXXX
#include <cstdio>
#include <fidlib.h>
#include "engine/engineobject.h"
#include "util/types.h"
#define PREDEF_HP 1
#define PREDEF_BP 2
#define PREDEF_LP 3
class EngineFilter : public EngineObject {
Q_OBJECT
public:
EngineFilter(char* conf, int predefinedType = 0);
virtual ~EngineFilter();
void process(CSAMPLE* pInOut, const int iBufferSize);
protected:
double iir;
double fir;
double tmp;
#define FILTER_BUF_SIZE 16
double buf1[FILTER_BUF_SIZE];
double buf2[FILTER_BUF_SIZE];
private:
double (*processSample)(void *buf, const double sample);
FidFilter *ff;
FidFunc *funcp;
FidRun *run;
void *fbuf1;
void *fbuf2;
};
double processSampleDynamic(void *buf, const double sample);
double processSampleHp(void *buf, const double sample);
double processSampleBp(void *buf, const double sample);
double processSampleLp(void *buf, const double sample);
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