Implemented midi output for feedback on color pads

midioutwrapper.cpp

@@ -0,0 +1,58 @@
+#include "midioutwrapper.h"
+
+#include <QDebug>
+
+MidiOutWrapper::MidiOutWrapper(RtMidi::Api api, const QString &clientName) :
+    midiOut{api, clientName.toStdString()}
+{
+}
+
+void MidiOutWrapper::openPort(unsigned int portNumber, const QString &portName)
+{
+    qDebug() << "opening" << QString::fromStdString(midiOut.getPortName(portNumber));
+    midiOut.openPort(portNumber, portName.toStdString());
+    if (!midiOut.isPortOpen())
+        qFatal("port did not open");
+}
+
+void MidiOutWrapper::openVirtualPort(const QString &portName)
+{
+    midiOut.openVirtualPort(portName.toStdString());
+}
+
+void MidiOutWrapper::closePort()
+{
+    midiOut.closePort();
+}
+
+bool MidiOutWrapper::isPortOpen() const
+{
+    return midiOut.isPortOpen();
+}
+
+QStringList MidiOutWrapper::portNames()
+{
+    QStringList names;
+
+    const auto count = midiOut.getPortCount();
+
+    for (unsigned int i = 0; i < count; i++)
+        names.append(QString::fromStdString(midiOut.getPortName(i)));
+
+    return names;
+}
+
+void MidiOutWrapper::sendMessage(const midi::MidiMessage &midiMsg)
+{
+    union Helper {
+        Helper() {}
+
+        midi::MidiMessage midiMsg;
+        unsigned char buf[sizeof(midiMsg)];
+    };
+
+    Helper helper;
+    helper.midiMsg = midiMsg;
+
+    midiOut.sendMessage(helper.buf, sizeof(helper.buf));
+}