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
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
|
/************************************************************************
FAUST Architecture File
Copyright (C) 2016 GRAME, Centre National de Creation Musicale
---------------------------------------------------------------------
This Architecture section 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 3 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; If not, see <http://www.gnu.org/licenses/>.
EXCEPTION : As a special exception, you may create a larger work
that contains this FAUST architecture section and distribute
that work under terms of your choice, so long as this FAUST
architecture section is not modified.
************************************************************************
************************************************************************/
#ifndef __juce_midi__
#define __juce_midi__
#include "faust/midi/midi.h"
class MapUI;
class juce_midi_handler : public midi_handler {
protected:
MidiBuffer fOutputBuffer;
CriticalSection fMutex;
void decodeMessage(const MidiMessage& message)
{
const uint8* data = message.getRawData();
if (message.isNoteOff()) {
for (unsigned int i = 0; i < fMidiInputs.size(); i++) {
fMidiInputs[i]->keyOff(0, message.getChannel(), data[1], data[2]);
}
} else if (message.isNoteOn()) {
for (unsigned int i = 0; i < fMidiInputs.size(); i++) {
if (data[1] != 0) {
fMidiInputs[i]->keyOn(0, message.getChannel(), data[1], data[2]);
} else {
fMidiInputs[i]->keyOff(0, message.getChannel(), data[1], data[2]);
}
}
} else if (message.isAftertouch()) {
for (unsigned int i = 0; i < fMidiInputs.size(); i++) {
fMidiInputs[i]->keyPress(0, message.getChannel(), data[1], data[2]);
}
} else if (message.isController()) {
for (unsigned int i = 0; i < fMidiInputs.size(); i++) {
fMidiInputs[i]->ctrlChange(0, message.getChannel(), data[1], data[2]);
}
} else if (message.isProgramChange()) {
for (unsigned int i = 0; i < fMidiInputs.size(); i++) {
fMidiInputs[i]->progChange(0, message.getChannel(), data[1]);
}
} else if (message.isChannelPressure()) {
for (unsigned int i = 0; i < fMidiInputs.size(); i++) {
fMidiInputs[i]->chanPress(0, message.getChannel(), data[1]);
}
} else if (message.isPitchWheel()) {
for (unsigned int i = 0; i < fMidiInputs.size(); i++) {
fMidiInputs[i]->pitchWheel(0, message.getChannel(), ((data[1] * 128.0 + data[2]) - 8192) / 8192.0);
}
} else if (message.isMidiClock()) {
for (unsigned int i = 0; i < fMidiInputs.size(); i++) {
fMidiInputs[i]->clock(message.getTimeStamp());
}
} else if (message.isMidiStart()) {
for (unsigned int i = 0; i < fMidiInputs.size(); i++) {
fMidiInputs[i]->start_sync(message.getTimeStamp());
}
} else if (message.isMidiStop()) {
for (unsigned int i = 0; i < fMidiInputs.size(); i++) {
fMidiInputs[i]->stop_sync(message.getTimeStamp());
}
} else {
std::cerr << "Unused MIDI message" << std::endl;
}
}
public:
juce_midi_handler():midi_handler("JUCE")
{}
void encodeBuffer(MidiBuffer& buffer)
{
const ScopedTryLock lock(fMutex);
if (lock.isLocked()) {
buffer.swapWith(fOutputBuffer);
fOutputBuffer.clear();
} else {
std::cerr << "encodeBuffer fails..." << std::endl;
}
}
void decodeBuffer(MidiBuffer& buffer)
{
MidiMessage msg;
int ignore;
for (MidiBuffer::Iterator it(buffer); it.getNextEvent(msg, ignore);) {
decodeMessage(msg);
}
buffer.clear();
}
MapUI* keyOn(int channel, int pitch, int velocity)
{
fOutputBuffer.addEvent(MidiMessage::noteOn(channel + 1, pitch, uint8(velocity)), 0);
return 0;
}
void keyOff(int channel, int pitch, int velocity)
{
fOutputBuffer.addEvent(MidiMessage::noteOff(channel + 1, pitch, uint8(velocity)), 0);
}
void ctrlChange(int channel, int ctrl, int val)
{
fOutputBuffer.addEvent(MidiMessage::controllerEvent(channel + 1, ctrl, uint8(val)), 0);
}
void chanPress(int channel, int press)
{
fOutputBuffer.addEvent(MidiMessage::channelPressureChange(channel + 1, press), 0);
}
void progChange(int channel, int pgm)
{
fOutputBuffer.addEvent(MidiMessage::programChange(channel + 1, pgm), 0);
}
void keyPress(int channel, int pitch, int press)
{
fOutputBuffer.addEvent(MidiMessage::aftertouchChange(channel + 1, pitch, press), 0);
}
void pitchWheel(int channel, int wheel)
{
// Deactivated for now
// fOutputBuffer.addEvent(MidiMessage::pitchWheel(channel + 1, wheel), 0);
}
void ctrlChange14bits(int channel, int ctrl, int value) {}
void start_sync(double date)
{
fOutputBuffer.addEvent(MidiMessage::midiStart(), 0);
}
void stop_sync(double date)
{
fOutputBuffer.addEvent(MidiMessage::midiStop(), 0);
}
void clock(double date)
{
fOutputBuffer.addEvent(MidiMessage::midiClock(), 0);
}
};
class juce_midi : public juce_midi_handler, public MidiInputCallback {
private:
MidiInput* fMidiIn;
MidiOutput* fMidiOut;
void handleIncomingMidiMessage(MidiInput*, const MidiMessage& message)
{
decodeMessage(message);
}
public:
virtual ~juce_midi()
{
stop_midi();
}
bool start_midi()
{
if ((fMidiIn = MidiInput::openDevice(MidiInput::getDefaultDeviceIndex(), this)) == nullptr) {
return false;
}
if ((fMidiOut = MidiOutput::openDevice(MidiOutput::getDefaultDeviceIndex())) == nullptr) {
return false;
}
fMidiIn->start();
return true;
}
void stop_midi()
{
fMidiIn->stop();
delete fMidiIn;
delete fMidiOut;
}
MapUI* keyOn(int channel, int pitch, int velocity)
{
fMidiOut->sendMessageNow(MidiMessage::noteOn(channel + 1, pitch, uint8(velocity)));
return 0;
}
void keyOff(int channel, int pitch, int velocity)
{
fMidiOut->sendMessageNow(MidiMessage::noteOff(channel + 1, pitch, uint8(velocity)));
}
void ctrlChange(int channel, int ctrl, int val)
{
fMidiOut->sendMessageNow(MidiMessage::controllerEvent(channel + 1, ctrl, uint8(val)));
}
void chanPress(int channel, int press)
{
fMidiOut->sendMessageNow(MidiMessage::channelPressureChange(channel + 1, press));
}
void progChange(int channel, int pgm)
{
fMidiOut->sendMessageNow(MidiMessage::programChange(channel + 1, pgm));
}
void keyPress(int channel, int pitch, int press)
{
fMidiOut->sendMessageNow(MidiMessage::aftertouchChange(channel + 1, pitch, press));
}
void pitchWheel(int channel, int wheel)
{
// Deactivated for now
// fMidiOut->sendMessageNow(MidiMessage::pitchWheel(channel + 1, wheel));
}
void ctrlChange14bits(int channel, int ctrl, int value) {}
void start_sync(double date)
{
fMidiOut->sendMessageNow(MidiMessage::midiStart());
}
void stop_sync(double date)
{
fMidiOut->sendMessageNow(MidiMessage::midiStop());
}
void clock(double date)
{
fMidiOut->sendMessageNow(MidiMessage::midiClock());
}
};
#endif // __juce_midi__
|
