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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
/*
* MidiEvent.h - MidiEvent class
*
* Copyright (c) 2005-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
*
* This file is part of LMMS - https://lmms.io
*
* 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.
*
* 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 (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#ifndef MIDI_EVENT_H
#define MIDI_EVENT_H
#include <cstdlib>
#include "Midi.h"
#include "panning_constants.h"
#include "volume.h"
class MidiEvent
{
public:
MidiEvent( MidiEventTypes type = MidiActiveSensing,
int8_t channel = 0,
int16_t param1 = 0,
int16_t param2 = 0,
const void* sourcePort = NULL ) :
m_type( type ),
m_metaEvent( MidiMetaInvalid ),
m_channel( channel ),
m_sysExData( NULL ),
m_sourcePort( sourcePort )
{
m_data.m_param[0] = param1;
m_data.m_param[1] = param2;
}
MidiEvent( MidiEventTypes type, const char* sysExData, int dataLen ) :
m_type( type ),
m_metaEvent( MidiMetaInvalid ),
m_channel( 0 ),
m_sysExData( sysExData ),
m_sourcePort( NULL )
{
m_data.m_sysExDataLen = dataLen;
}
MidiEvent( const MidiEvent& other ) :
m_type( other.m_type ),
m_metaEvent( other.m_metaEvent ),
m_channel( other.m_channel ),
m_data( other.m_data ),
m_sysExData( other.m_sysExData ),
m_sourcePort( other.m_sourcePort )
{
}
MidiEventTypes type() const
{
return m_type;
}
void setType( MidiEventTypes type )
{
m_type = type;
}
void setMetaEvent( MidiMetaEventType metaEvent )
{
m_metaEvent = metaEvent;
}
MidiMetaEventType metaEvent() const
{
return m_metaEvent;
}
int8_t channel() const
{
return m_channel;
}
void setChannel( int8_t channel )
{
m_channel = channel;
}
int16_t param( int i ) const
{
return m_data.m_param[i];
}
void setParam( int i, uint16_t value )
{
m_data.m_param[i] = value;
}
int16_t key() const
{
return param( 0 );
}
void setKey( int16_t key )
{
m_data.m_param[0] = key;
}
uint8_t velocity() const
{
return m_data.m_param[1] & 0x7F;
}
void setVelocity( int16_t velocity )
{
m_data.m_param[1] = velocity;
}
panning_t panning() const
{
return (panning_t) ( PanningLeft +
( (float)( midiPanning() - MidiMinPanning ) ) /
( (float)( MidiMaxPanning - MidiMinPanning ) ) *
( (float)( PanningRight - PanningLeft ) ) );
}
int16_t midiPanning() const
{
return m_data.m_param[1];
}
volume_t volume( int midiBaseVelocity ) const
{
return (volume_t)( velocity() * DefaultVolume / midiBaseVelocity );
}
const void* sourcePort() const
{
return m_sourcePort;
}
uint8_t controllerNumber() const
{
return param( 0 ) & 0x7F;
}
void setControllerNumber( uint8_t num )
{
setParam( 0, num );
}
uint8_t controllerValue() const
{
return param( 1 );
}
void setControllerValue( uint8_t value )
{
setParam( 1, value );
}
uint8_t program() const
{
return param( 0 );
}
uint8_t channelPressure() const
{
return param( 0 );
}
int16_t pitchBend() const
{
return param( 0 );
}
void setPitchBend( uint16_t pitchBend )
{
setParam( 0, pitchBend );
}
private:
MidiEventTypes m_type; // MIDI event type
MidiMetaEventType m_metaEvent; // Meta event (mostly unused)
int8_t m_channel; // MIDI channel
union
{
int16_t m_param[2]; // first/second parameter (key/velocity)
uint8_t m_bytes[4]; // raw bytes
int32_t m_sysExDataLen; // len of m_sysExData
} m_data;
const char* m_sysExData;
const void* m_sourcePort;
} ;
#endif
|
