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 
getMinConfidence()44 	double getMinConfidence()						{return m_min_confidence;}
setMinConfidence(float min_confidence)45 	void setMinConfidence(float min_confidence)		{m_min_confidence=min_confidence;}
getConfidence()46 	double getConfidence()							{return m_confidence;}
47 // 	int getMinStoredRecon()							{return m_min_stored_recon;}
isPlaying()48 	bool isPlaying()								{return m_current_center_freq>0.0;}
getCenterFrequency()49 	double getCenterFrequency()						{return m_current_center_freq;}
getAverageFrequency()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_
66