dsp_feedback.h

PIXIL is a small footprint operating environment, complete with PDA PIM applications, a browser and

/*                                                                       
 * Copyright (c) 2003 Century Software, Inc.   All Rights Reserved.     
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 * This file is part of the PIXIL Operating Environment                 
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 * Public License, version 2.                                           
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 * with the Software. Others are governed under the terms of the GNU   
 * General Public License version 2.                                    
 *                                                                       
 * This file may be distributed and/or modified under the terms of the  
 * GNU General Public License version 2 as published by the Free        
 * Software Foundation and appearing in the file LICENSE.GPL included   
 * in the packaging of this file.                                      
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// dsp_feedback.h

#ifndef DSP_FEEDBACK_H
#define DSP_FEEDBACK_H

#include "dsp.h"
#include "fft.h"
#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Double_Window.H>
#include <FL/Fl_Box.H>
#include <FL/Fl_Eq.H>

#include <stdio.h>
#include <iostream.h>

// Server DSP plug-ins definitions
#define FEEDBACK 1

struct feedback_struct
{
    int Hz;
    int SR;
    Fl_Window *parent;
};

class Dsp_Feedback:public Dsp
{

  private:
    feedback_struct * feedback;
    int init;

    static fft_state *state;
    int tmp_out[257];
    int dest[257];
    short int sample[512];
    float scale;

    Fl_Eq *eq0;
    Fl_Eq *eq1;
    Fl_Eq *eq2;
    Fl_Eq *eq3;
    Fl_Eq *eq4;
    Fl_Eq *eq5;
    Fl_Eq *eq6;
    Fl_Eq *eq7;
    Fl_Eq *eq8;
    Fl_Eq *eq9;
    Fl_Eq *eq10;
    Fl_Eq *eq11;
    Fl_Eq *eq12;
    Fl_Eq *eq13;
    Fl_Eq *eq14;


    int dataFrameSkip;

  protected:
    void FeedbackFilter(void *data);
    void Init();

  public:
      Dsp_Feedback();
     ~Dsp_Feedback();
    virtual void *ApplyDsp(void *data, int skip);
    void SetArgs(void *args);

};

extern Dsp_Feedback *feedbackFilter;

#endif // DSP_FEEDBACK_H