src/MonoQuantizer.h

   1 // Copyright 2005 "Gilles Degottex"
   2
   3 // This file is part of "Music"
   4
   5 // "Music" is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU Lesser General Public License as published by
   7 // the Free Software Foundation; either version 2.1 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // "Music" is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13 // GNU Lesser General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU Lesser General Public License
  16 // along with this program; if not, write to the Free Software
  17 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18
  19
  20 #ifndef _MONOQUANTIZER_H_
  21 #define _MONOQUANTIZER_H_
  22
  23 #include <deque>
  24 using namespace std;
  25 #include <qobject.h>
  26 #include <qdatetime.h>
  27 #include <Music/Music.h>
  28 using namespace Music;
  29
  30 class MonoQuantizer : public QObject
  31 {
  32         Q_OBJECT
  33
  34   protected:
  35         double m_min_confidence;
  36
  37         double m_confidence;
  38         double m_current_center_freq;                                   // nearest semi-tone
  39         double m_avg_freq;                                                              // precise frequency
  40
  41   public:
  42         MonoQuantizer();
  43
  44         double getMinConfidence()                                               {return m_min_confidence;}
  45         void setMinConfidence(float min_confidence)             {m_min_confidence=min_confidence;}
  46         double getConfidence()                                                  {return m_confidence;}
  47 //      int getMinStoredRecon()                                                 {return m_min_stored_recon;}
  48         bool isPlaying()                                                                {return m_current_center_freq>0.0;}
  49         double getCenterFrequency()                                             {return m_current_center_freq;}
  50         double getAverageFrequency()                                    {return m_avg_freq;}
  51
  52         virtual void quantize(double freq)=0;
  53         virtual void reset()=0;
  54
  55         virtual ~MonoQuantizer();
  56
  57   signals:
  58         void noteStarted(double freq, double dt);
  59         void noteFinished(double freq, double dt);
  60 //      void notePlayed(double freq, double duration, double dt);
  61
  62 //   public slots:
  63 };
  64
  65 #endif // _MONOQUANTIZER_H_