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
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
//=============================================================================
// MusE
// Linux Music Editor
// $Id:$
//
// Copyright (C) 2002-2006 by Werner Schweer and others
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//=============================================================================
#ifndef __MIDIFIFO_H__
#define __MIDIFIFO_H__
#include "midievent.h"
#include "port.h"
#define MIDI_FIFO_SIZE 512
//---------------------------------------------------------
// MidiFifo
//---------------------------------------------------------
class MidiFifo {
MidiEvent fifo[MIDI_FIFO_SIZE];
volatile int size;
int wIndex;
int rIndex;
public:
MidiFifo() { clear(); }
bool put(const MidiEvent& event); // returns true on fifo overflow
MidiEvent get();
const MidiEvent& peek(int n = 0);
void remove();
bool isEmpty() const { return size == 0; }
void clear() { size = 0, wIndex = 0, rIndex = 0; }
int getSize() const { return size; }
};
//---------------------------------------------------------
// MidiOutEvent
//---------------------------------------------------------
struct MidiOutEvent {
Port port;
MidiEvent event;
MidiOutEvent() {}
MidiOutEvent(const Port& p, const MidiEvent& e)
: port(p), event(e) {}
bool operator<(const MidiOutEvent& e) const {
if (port == e.port)
return event < e.event;
return event < e.event;
}
};
typedef std::multiset<MidiOutEvent, std::less<MidiOutEvent> > MidiOutEventList;
typedef MidiOutEventList::iterator iMidiOutEvent;
typedef MidiOutEventList::const_iterator ciMidiOutEvent;
//---------------------------------------------------------
// MidiOutFifo
//---------------------------------------------------------
class MidiOutFifo {
MidiOutEvent fifo[MIDI_FIFO_SIZE];
volatile int size;
int wIndex;
int rIndex;
public:
MidiOutFifo() { clear(); }
bool put(const MidiOutEvent& event); // returns true on fifo overflow
MidiOutEvent get();
bool isEmpty() const { return size == 0; }
void clear() { size = 0, wIndex = 0, rIndex = 0; }
};
#endif
|
