1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/***************************************************************************
controlbeat.h - description
-------------------
begin : Mon Apr 7 2003
copyright : (C) 2003 by Tue & Ken Haste Andersen
email : haste@diku.dk
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifndef CONTROLBEAT_H
#define CONTROLBEAT_H
#include "controlobject.h"
#include "configobject.h"
#include <qdatetime.h>
/**
* Takes impulses as input, and convert it to a BPM measure.
*
*@author Tue & Ken Haste Andersen
*/
/** Minimum allowed Beat per minute (BPM) */
const int minBPM = 10;
/** Maximum allowed bpm */
const int maxBPM = 240;
/** Maximum allowed interval between beats in milli seconds (calculated from minBPM) */
const int maxInterval = (int)(1000.*(60./(CSAMPLE)minBPM));
/** Filter length */
const int filterLength = 4;
class ControlBeat : public ControlObject
{
public:
ControlBeat(ConfigKey key, bool bMidiSimulateLatching=false);
~ControlBeat();
protected:
void setValueFromMidi(MidiCategory c, int v);
private:
void setValue(double dValue);
QTime time;
CSAMPLE *buffer;
bool m_bMidiSimulateLatching;
bool m_bPressed;
};
#endif
|
