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
|
/**
* @file midioutputhandler.cpp
* @author Sean Pappalardo spappalardo@mixxx.org
* @date Tue 11 Feb 2012
* @brief MIDI output mapping handler
*
*/
#include <QtDebug>
#include "controllers/midi/midioutputhandler.h"
#include "controllers/midi/midicontroller.h"
#include "controllers/controllerdebug.h"
#include "control/controlobject.h"
MidiOutputHandler::MidiOutputHandler(MidiController* controller,
const MidiOutputMapping& mapping)
: m_pController(controller),
m_mapping(mapping),
m_cos(mapping.controlKey, this),
m_lastVal(-1) { // -1 = virgin
m_cos.connectValueChanged(this, &MidiOutputHandler::controlChanged);
}
MidiOutputHandler::~MidiOutputHandler() {
ConfigKey cKey = m_cos.getKey();
controllerDebug(QString("Destroying static MIDI output handler on %1 for %2,%3")
.arg(m_pController->getName(), cKey.group, cKey.item));
}
bool MidiOutputHandler::validate() {
return m_cos.valid();
}
void MidiOutputHandler::update() {
controlChanged(m_cos.get());
}
void MidiOutputHandler::controlChanged(double value) {
// Don't update with out of date messages.
value = m_cos.get();
unsigned char byte3 = m_mapping.output.off;
if (value >= m_mapping.output.min && value <= m_mapping.output.max) {
byte3 = m_mapping.output.on;
}
if (static_cast<int>(byte3) == m_lastVal) {
// Don't send redundant messages.
return;
}
if (!m_pController->isOpen()) {
qWarning() << "MIDI device" << m_pController->getName() << "not open for output!";
} else if (byte3 != 0xFF) {
controllerDebug("sending MIDI bytes:" << m_mapping.output.status
<< "," << m_mapping.output.control << ","
<< byte3);
m_pController->sendShortMsg(m_mapping.output.status,
m_mapping.output.control, byte3);
m_lastVal = static_cast<int>(byte3);
}
}
|
