bool PortMidiDriver::init()
{
inputId = getDeviceIn(preferences.getString(PREF_IO_PORTMIDI_INPUTDEVICE));
if (inputId == -1)
inputId = Pm_GetDefaultInputDeviceID();
if (inputId == pmNoDevice)
return false;
outputId = getDeviceOut(preferences.getString(PREF_IO_PORTMIDI_OUTPUTDEVICE)); // Note: allow init even if outputId == pmNoDevice, since input is more important than output.
static const int DRIVER_INFO = 0;
static const int TIME_INFO = 0;
Pt_Start(20, 0, 0); // timer started, 20 millisecond accuracy
PmError error = Pm_OpenInput(&inputStream,
inputId,
(void*)DRIVER_INFO,
preferences.getInt(PREF_IO_PORTMIDI_INPUTBUFFERCOUNT),
((PmTimeProcPtr) Pt_Time),
(void*)TIME_INFO);
if (error != pmNoError) {
const char* p = Pm_GetErrorText(error);
qDebug("PortMidi: open input (id=%d) failed: %s", int(inputId), p);
Pt_Stop();
return false;
}
Pm_SetFilter(inputStream, PM_FILT_ACTIVE | PM_FILT_CLOCK | PM_FILT_SYSEX);
PmEvent buffer[1];
while (Pm_Poll(inputStream))
Pm_Read(inputStream, buffer, 1);
if (outputId != pmNoDevice) {
error = Pm_OpenOutput(&outputStream,
outputId,
(void*)DRIVER_INFO,
preferences.getInt(PREF_IO_PORTMIDI_OUTPUTBUFFERCOUNT),
((PmTimeProcPtr) Pt_Time),
(void*)TIME_INFO,
preferences.getInt(PREF_IO_PORTMIDI_OUTPUTLATENCYMILLISECONDS));
if (error != pmNoError) {
const char* p = Pm_GetErrorText(error);
qDebug("PortMidi: open output (id=%d) failed: %s", int(outputId), p);
Pt_Stop();
return false;
}
}
timer = new QTimer();
timer->setInterval(20); // 20 msec
timer->start();
timer->connect(timer, SIGNAL(timeout()), seq, SLOT(midiInputReady()));
return true;
}
bool PortMidiDriver::init()
{
inputId = getDeviceIn(preferences.portMidiInput);
if(inputId == -1)
inputId = Pm_GetDefaultInputDeviceID();
outputId = Pm_GetDefaultOutputDeviceID();
if (inputId == pmNoDevice)
return false;
static const int INPUT_BUFFER_SIZE = 100;
static const int DRIVER_INFO = 0;
static const int TIME_INFO = 0;
Pt_Start(20, 0, 0); // timer started, 20 millisecond accuracy
PmError error = Pm_OpenInput(&inputStream,
inputId,
(void*)DRIVER_INFO, INPUT_BUFFER_SIZE,
((long (*)(void*)) Pt_Time),
(void*)TIME_INFO);
if (error != pmNoError) {
const char* p = Pm_GetErrorText(error);
qDebug("PortMidi: open input (id=%d) failed: %s", int(inputId), p);
Pt_Stop();
return false;
}
Pm_SetFilter(inputStream, PM_FILT_ACTIVE | PM_FILT_CLOCK | PM_FILT_SYSEX);
PmEvent buffer[1];
while (Pm_Poll(inputStream))
Pm_Read(inputStream, buffer, 1);
timer = new QTimer();
timer->setInterval(20); // 20 msec
timer->start();
timer->connect(timer, SIGNAL(timeout()), seq, SLOT(midiInputReady()));
return true;
}
