CLAM-Development  1.4.0
Note.hxx
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1 /*
2  * Copyright (c) 2004 MUSIC TECHNOLOGY GROUP (MTG)
3  * UNIVERSITAT POMPEU FABRA
4  *
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19  *
20  */
21 
22 /* Note type definition */
23 
24 #ifndef _Note_
25 #define _Note_
26 
27 #include "DynamicType.hxx"
28 #include "DataTypes.hxx"
29 #include "OSDefines.hxx"
30 #include "Err.hxx"
31 #include "ProcessingData.hxx"
32 
33 #include "MediaTime.hxx"
34 #include "PitchNote.hxx"
35 
36 namespace CLAM {
37 
42  class Note: public ProcessingData
43  {
44  public:
46  /* Pitch information (not by default) */
47  DYN_ATTRIBUTE (0, public, PitchNote, PitchNote);
48  /* Note Fundamental frequency (by default) */
49  DYN_ATTRIBUTE (1, public, TData, FundFreq);
50  /* Note energy (by default) */
51  DYN_ATTRIBUTE (2, public, TData, Energy);
52  DYN_ATTRIBUTE (3, public, MediaTime, Time);
53  /* Intranote duration (not by default) */
54  DYN_ATTRIBUTE (4, public, MediaTime, Attack);
55  DYN_ATTRIBUTE (5, public, MediaTime, Sustain);
56  DYN_ATTRIBUTE (6, public, MediaTime, Release);
57 
61  {
62  return Round(69+log(GetFundFreq()/440)*17.31234);
63  }
65  {
66  //this mapping is experimental and should be revisited
67  TData velocity=65*log10(GetEnergy())+65;
68  if(velocity<25) velocity=25;
69  return (int)velocity;//65;
70  }
71  private:
72  void DefaultInit();
73  };
74 
75 }; // namespace CLAM
76 
77 
78 #endif // _Note_
79