#include "dumpmid.h"
#include <QCommandLineParser>
#include <QCoreApplication>
#include <QObject>
#include <QReadLocker>
#include <QString>
#include <QTextStream>
#include <QWriteLocker>
#include <QIODevice>
#include <QtDebug>
#include <csignal>
#if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0))
#define right Qt::right
#define left Qt::left
#define hex Qt::hex
#define dec Qt::dec
#define endl Qt::endl
#endif
QTextStream cout(stdout, QIODevice::WriteOnly);
QTextStream cerr(stderr, QIODevice::WriteOnly);
QDumpMIDI::QDumpMIDI()
{
m_Client = new MidiClient(this);
m_Client->open();
m_Client->setClientName("DumpMIDI");
#ifndef USE_QEVENTS
connect( m_Client, &MidiClient::eventReceived,
this, &QDumpMIDI::sequencerEvent,
Qt::DirectConnection );
#endif
m_Port = new MidiPort(this);
m_Port->attach( m_Client );
m_Port->setPortName("DumpMIDI port");
m_Port->setCapability( SND_SEQ_PORT_CAP_WRITE |
SND_SEQ_PORT_CAP_SUBS_WRITE );
m_Port->setPortType( SND_SEQ_PORT_TYPE_APPLICATION |
SND_SEQ_PORT_TYPE_MIDI_GENERIC );
#ifdef WANT_TIMESTAMPS
m_Queue = m_Client->createQueue("DumpMIDI");
m_Port->setTimestamping(true);
m_Port->setTimestampQueue(m_Queue->getId());
#endif
connect( m_Port, &MidiPort::subscribed, this, &QDumpMIDI::subscription);
qDebug() << "Trying to subscribe from Announce";
m_Port->subscribeFromAnnounce();
}
QDumpMIDI::~QDumpMIDI()
{
m_Port->detach();
delete m_Port;
m_Client->close();
delete m_Client;
}
bool
QDumpMIDI::stopped()
{
QReadLocker locker(&m_mutex);
return m_Stopped;
}
void
QDumpMIDI::stop()
{
QWriteLocker locker(&m_mutex);
m_Stopped = true;
}
void
QDumpMIDI::subscription(MidiPort*, Subscription* subs)
{
qDebug() << "Subscription made from"
<< subs->getSender()->client << ":"
<< subs->getSender()->port;
}
void QDumpMIDI::subscribe(const QString& portName)
{
try {
qDebug() << "Trying to subscribe" << portName.toLocal8Bit().data();
m_Port->subscribeFrom(portName);
} catch (const SequencerError& err) {
cerr << "SequencerError exception. Error code: " << err.code()
<< " (" << err.qstrError() << ")" << endl;
cerr << "Location: " << err.location() << endl;
throw;
}
}
void QDumpMIDI::run()
{
cout << "Press Ctrl+C to exit" << endl;
#ifdef WANT_TIMESTAMPS
cout << "___Ticks ";
#endif
cout << "Source_ Event_________________ Ch _Data__" << endl;
try {
#ifdef USE_QEVENTS
m_Client->addListener(this);
m_Client->setEventsEnabled(true);
#endif
m_Client->setRealTimeInput(false);
m_Client->startSequencerInput();
#ifdef WANT_TIMESTAMPS
m_Queue->start();
#endif
m_Stopped = false;
while (!stopped()) {
#ifdef USE_QEVENTS
QCoreApplication::sendPostedEvents();
#endif
sleep(1);
}
#ifdef WANT_TIMESTAMPS
m_Queue->stop();
#endif
m_Client->stopSequencerInput();
} catch (const SequencerError& err) {
cerr << "SequencerError exception. Error code: " << err.code()
<< " (" << err.qstrError() << ")" << endl;
cerr << "Location: " << err.location() << endl;
throw;
}
}
void QDumpMIDI::handleSequencerEvent(SequencerEvent *ev)
{
dumpEvent(ev);
delete ev;
}
#ifdef USE_QEVENTS
void
QDumpMIDI::customEvent(
QEvent *ev)
{
SequencerEvent* sev = static_cast<SequencerEvent*>(ev);
if (sev != nullptr) {
dumpEvent(sev);
}
}
}
#else
void
QDumpMIDI::sequencerEvent(SequencerEvent *ev)
{
dumpEvent(ev);
delete ev;
}
#endif
void
QDumpMIDI::dumpEvent(SequencerEvent* sev)
{
#ifdef WANT_TIMESTAMPS
cout << qSetFieldWidth(8) << right << sev->getTick();
cout << qSetFieldWidth(0) << " ";
#endif
cout << qSetFieldWidth(3) << right << sev->getSourceClient() << qSetFieldWidth(0) << ":";
cout << qSetFieldWidth(3) << left << sev->getSourcePort() << qSetFieldWidth(0) << " ";
switch (sev->getSequencerType()) {
case SND_SEQ_EVENT_NOTEON: {
NoteOnEvent* e = static_cast<NoteOnEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(23) << left << "Note on";
cout << qSetFieldWidth(2) << right << e->getChannel() << " ";
cout << qSetFieldWidth(3) << e->getKey() << " ";
cout << qSetFieldWidth(3) << e->getVelocity();
}
break;
}
case SND_SEQ_EVENT_NOTEOFF: {
NoteOffEvent* e = static_cast<NoteOffEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(23) << left << "Note off";
cout << qSetFieldWidth(2) << right << e->getChannel() << " ";
cout << qSetFieldWidth(3) << e->getKey() << " ";
cout << qSetFieldWidth(3) << e->getVelocity();
}
break;
}
case SND_SEQ_EVENT_KEYPRESS: {
KeyPressEvent* e = static_cast<KeyPressEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(23) << left << "Polyphonic aftertouch";
cout << qSetFieldWidth(2) << right << e->getChannel() << " ";
cout << qSetFieldWidth(3) << e->getKey() << " ";
cout << qSetFieldWidth(3) << e->getVelocity();
}
break;
}
case SND_SEQ_EVENT_CONTROL14:
case SND_SEQ_EVENT_NONREGPARAM:
case SND_SEQ_EVENT_REGPARAM:
case SND_SEQ_EVENT_CONTROLLER: {
ControllerEvent* e = static_cast<ControllerEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(23) << left << "Control change";
cout << qSetFieldWidth(2) << right << e->getChannel() << " ";
cout << qSetFieldWidth(3) << e->getParam() << " ";
cout << qSetFieldWidth(3) << e->getValue();
}
break;
}
case SND_SEQ_EVENT_PGMCHANGE: {
ProgramChangeEvent* e = static_cast<ProgramChangeEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(23) << left << "Program change";
cout << qSetFieldWidth(2) << right << e->getChannel() << " ";
cout << qSetFieldWidth(3) << e->getValue();
}
break;
}
case SND_SEQ_EVENT_CHANPRESS: {
ChanPressEvent* e = static_cast<ChanPressEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(23) << left << "Channel aftertouch";
cout << qSetFieldWidth(2) << right << e->getChannel() << " ";
cout << qSetFieldWidth(3) << e->getValue();
}
break;
}
case SND_SEQ_EVENT_PITCHBEND: {
PitchBendEvent* e = static_cast<PitchBendEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(23) << left << "Pitch bend";
cout << qSetFieldWidth(2) << right << e->getChannel() << " ";
cout << qSetFieldWidth(5) << e->getValue();
}
break;
}
case SND_SEQ_EVENT_SONGPOS: {
ValueEvent* e = static_cast<ValueEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(26) << left << "Song position pointer" << qSetFieldWidth(0);
cout << e->getValue();
}
break;
}
case SND_SEQ_EVENT_SONGSEL: {
ValueEvent* e = static_cast<ValueEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(26) << left << "Song select" << qSetFieldWidth(0);
cout << e->getValue();
}
break;
}
case SND_SEQ_EVENT_QFRAME: {
ValueEvent* e = static_cast<ValueEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(26) << left << "MTC quarter frame" << qSetFieldWidth(0);
cout << e->getValue();
}
break;
}
case SND_SEQ_EVENT_TIMESIGN: {
ValueEvent* e = static_cast<ValueEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(26) << left << "SMF time signature" << qSetFieldWidth(0);
cout << hex << e->getValue();
cout << dec;
}
break;
}
case SND_SEQ_EVENT_KEYSIGN: {
ValueEvent* e = static_cast<ValueEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(26) << left << "SMF key signature" << qSetFieldWidth(0);
cout << hex << e->getValue();
cout << dec;
}
break;
}
case SND_SEQ_EVENT_SETPOS_TICK: {
QueueControlEvent* e = static_cast<QueueControlEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(26) << left << "Set tick queue pos." << qSetFieldWidth(0);
cout << e->getQueue();
}
break;
}
case SND_SEQ_EVENT_SETPOS_TIME: {
QueueControlEvent* e = static_cast<QueueControlEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(26) << left << "Set rt queue pos." << qSetFieldWidth(0);
cout << e->getQueue();
}
break;
}
case SND_SEQ_EVENT_TEMPO: {
TempoEvent* e = static_cast<TempoEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(26) << left << "Set queue tempo";
cout << qSetFieldWidth(3) << right << e->getQueue() << qSetFieldWidth(0) << " ";
cout << e->getValue();
}
break;
}
case SND_SEQ_EVENT_QUEUE_SKEW: {
QueueControlEvent* e = static_cast<QueueControlEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(26) << left << "Queue timer skew" << qSetFieldWidth(0);
cout << e->getQueue();
}
break;
}
case SND_SEQ_EVENT_START:
cout << left << "Start";
break;
case SND_SEQ_EVENT_STOP:
cout << left << "Stop";
break;
case SND_SEQ_EVENT_CONTINUE:
cout << left << "Continue";
break;
case SND_SEQ_EVENT_CLOCK:
cout << left << "Clock";
break;
case SND_SEQ_EVENT_TICK:
cout << left << "Tick";
break;
case SND_SEQ_EVENT_TUNE_REQUEST:
cout << left << "Tune request";
break;
case SND_SEQ_EVENT_RESET:
cout << left << "Reset";
break;
case SND_SEQ_EVENT_SENSING:
cout << left << "Active Sensing";
break;
case SND_SEQ_EVENT_CLIENT_START: {
ClientEvent* e = static_cast<ClientEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(26) << left << "Client start"
<< qSetFieldWidth(0) << e->getClient();
}
break;
}
case SND_SEQ_EVENT_CLIENT_EXIT: {
ClientEvent* e = static_cast<ClientEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(26) << left << "Client exit"
<< qSetFieldWidth(0) << e->getClient();
}
break;
}
case SND_SEQ_EVENT_CLIENT_CHANGE: {
ClientEvent* e = static_cast<ClientEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(26) << left << "Client changed"
<< qSetFieldWidth(0) << e->getClient();
}
break;
}
case SND_SEQ_EVENT_PORT_START: {
PortEvent* e = static_cast<PortEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(26) << left << "Port start" << qSetFieldWidth(0);
cout << e->getClient() << ":" << e->getPort();
}
break;
}
case SND_SEQ_EVENT_PORT_EXIT: {
PortEvent* e = static_cast<PortEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(26) << left << "Port exit" << qSetFieldWidth(0);
cout << e->getClient() << ":" << e->getPort();
}
break;
}
case SND_SEQ_EVENT_PORT_CHANGE: {
PortEvent* e = static_cast<PortEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(26) << left << "Port changed" << qSetFieldWidth(0);
cout << e->getClient() << ":" << e->getPort();
}
break;
}
case SND_SEQ_EVENT_PORT_SUBSCRIBED: {
SubscriptionEvent* e = static_cast<SubscriptionEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(26) << left << "Port subscribed" << qSetFieldWidth(0);
cout << e->getSenderClient() << ":" << e->getSenderPort() << " -> ";
cout << e->getDestClient() << ":" << e->getDestPort();
}
break;
}
case SND_SEQ_EVENT_PORT_UNSUBSCRIBED: {
SubscriptionEvent* e = static_cast<SubscriptionEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(26) << left << "Port unsubscribed" << qSetFieldWidth(0);
cout << e->getSenderClient() << ":" << e->getSenderPort() << " -> ";
cout << e->getDestClient() << ":" << e->getDestPort();
}
break;
}
case SND_SEQ_EVENT_SYSEX: {
SysExEvent* e = static_cast<SysExEvent*>(sev);
if (e != nullptr) {
cout << qSetFieldWidth(26) << left << "System exclusive" << qSetFieldWidth(0);
unsigned int i;
for (i = 0; i < e->getLength(); ++i) {
cout << hex << (unsigned char) e->getData()[i] << " ";
}
cout << dec;
}
break;
}
default:
cout << qSetFieldWidth(26) << "Unknown event type" << qSetFieldWidth(0);
cout << sev->getSequencerType();
};
cout << qSetFieldWidth(0) << endl;
}
QDumpMIDI* test;
void signalHandler(int sig)
{
if (sig == SIGINT)
qDebug() << "Caught a SIGINT. Exiting";
else if (sig == SIGTERM)
qDebug() << "Caught a SIGTERM. Exiting";
test->stop();
}
int main(int argc, char **argv)
{
const QString ERRORSTR = QStringLiteral("Fatal error from the ALSA sequencer. "
"This usually happens when the kernel doesn't have ALSA support, "
"or the device node (/dev/snd/seq) doesn't exists, "
"or the kernel module (snd_seq) is not loaded. "
"Please check your ALSA/MIDI configuration.");
const QString PGM_NAME = QStringLiteral("drumstick-dumpmid");
const QString PGM_DESCRIPTION = QStringLiteral("Drumstick command line utility for decoding MIDI events");
QCoreApplication app(argc, argv);
QCoreApplication::setApplicationName(PGM_NAME);
QCoreApplication::setApplicationVersion(QStringLiteral(QT_STRINGIFY(VERSION)));
QCommandLineParser parser;
parser.setApplicationDescription(PGM_DESCRIPTION);
auto helpOption = parser.addHelpOption();
auto versionOption = parser.addVersionOption();
QCommandLineOption portOption({"p", "port"}, "Source MIDI Port.", "client:port");
parser.addOption(portOption);
parser.process(app);
if (parser.isSet(versionOption) || parser.isSet(helpOption)) {
return 0;
}
try {
test = new QDumpMIDI;
signal(SIGINT, signalHandler);
signal(SIGTERM, signalHandler);
if (parser.isSet(portOption)) {
QString portName = parser.value(portOption);
test->subscribe(portName);
} else {
cerr << "Port argument is mandatory" << endl;
parser.showHelp();
}
test->run();
} catch (const SequencerError& ex) {
cerr << ERRORSTR << " Returned error was: " << ex.qstrError() << endl;
} catch (...) {
cerr << ERRORSTR << endl;
}
delete test;
return 0;
}
const QEvent::Type SequencerEventType
Constant SequencerEventType is the QEvent::type() of any SequencerEvent object to be used to check th...
Drumstick ALSA library wrapper.
SequencerError Exception class.