public MidiConnector() throws MidiUnavailableException {
infos = MidiSystem.getMidiDeviceInfo();
for (int i = 0; i < infos.length; i++) {
devices.add(MidiSystem.getMidiDevice(infos[i]));
List<Transmitter> transmitters = devices.get(i).getTransmitters();
for (int j = 0; j < transmitters.size(); j++) {
// create a new receiver
transmitters
.get(j)
.setReceiver(new MidiInputReceiver(devices.get(i).getDeviceInfo().toString()));
}
}
}
public static MidiDevice getMidiDevice(MidiDevice.Info deviceInfo)
throws MidiUnavailableException {
try {
return MidiSystem.getMidiDevice(deviceInfo);
} catch (IllegalArgumentException e) {
// the device does not exist anymore -
// this seems to be a bug because MidiUnavailableException should
// be thrown instead
MidiUnavailableException m = new MidiUnavailableException();
m.initCause(e);
throw m;
}
}
/** Returns true if at least one MIDI (port) device is correctly installed on the system. */
public static boolean isMidiInstalled() {
boolean result = false;
MidiDevice.Info[] devices = MidiSystem.getMidiDeviceInfo();
for (int i = 0; i < devices.length; i++) {
try {
MidiDevice device = MidiSystem.getMidiDevice(devices[i]);
result = !(device instanceof Sequencer) && !(device instanceof Synthesizer);
} catch (Exception e1) {
System.err.println(e1);
}
if (result) break;
}
return result;
}
public static MidiDevice getMidiDevice(String name) {
MidiDevice.Info[] info = MidiSystem.getMidiDeviceInfo();
for (Info element : info) {
if (element.getName().equals(name)) {
try {
return MidiSystem.getMidiDevice(element);
} catch (MidiUnavailableException e) {
log.error("{}", e);
}
}
}
return null;
}
public void open() throws MidiUnavailableException {
if (input != null && input.isOpen()) {
return;
}
try {
input = MidiSystem.getMidiDevice(info);
input.open();
cl.stateChanged(e);
} catch (MidiUnavailableException ex) {
input = null;
throw ex;
} catch (IllegalArgumentException ex) {
input = null;
}
}
/** Method to get all available midi ports and add them to the corresponding device list. */
private void getAvailablePorts() {
javax.sound.midi.MidiDevice.Info[] infos = MidiSystem.getMidiDeviceInfo();
for (int i = 0; i < infos.length; i++) {
try {
javax.sound.midi.MidiDevice theDevice = MidiSystem.getMidiDevice(infos[i]);
if (theDevice instanceof javax.sound.midi.Sequencer) {
// Ignore this device as it's a sequencer
} else if (theDevice.getMaxReceivers() != 0) {
midiOutDevices.add(theDevice);
} else if (theDevice.getMaxTransmitters() != 0) {
midiInputDevices.add(theDevice);
}
} catch (MidiUnavailableException e) {
e.printStackTrace();
}
}
}
/** Fill MIDI devices comboboxes. */
public void updateMidiDevices(MidiDevice.Info[] midiDeviceInfo) {
_midiInComboBox.removeAllItems();
_midiOutComboBox.removeAllItems();
try {
int n = midiDeviceInfo.length;
for (int i = 0; i < n; i++) {
MidiDevice midiDevice = MidiSystem.getMidiDevice(midiDeviceInfo[i]);
if (midiDevice.getMaxTransmitters() != 0) {
_midiInComboBox.addItem(midiDeviceInfo[i]);
}
if (midiDevice.getMaxReceivers() != 0) {
_midiOutComboBox.addItem(midiDeviceInfo[i]);
}
}
_midiInComboBox.setSelectedIndex(-1);
_midiOutComboBox.setSelectedIndex(-1);
} catch (MidiUnavailableException exception) {
System.out.println("MIDI device unavailable: " + exception.getMessage());
}
}
public DeviceThatWillTransmitMidi(MidiDevice.Info info) throws MidiUnavailableException {
this.device = MidiSystem.getMidiDevice(info);
init();
}
public static void main(String[] args) throws Exception {
boolean failed = false;
out("#4616517: Receiver.send() does not work properly");
if (!isMidiInstalled()) {
out("Soundcard does not exist or sound drivers not installed!");
out("This test requires sound drivers for execution.");
return;
}
MidiDevice.Info[] infos = MidiSystem.getMidiDeviceInfo();
MidiDevice outDevice = null;
MidiDevice inDevice = null;
for (int i = 0; i < infos.length; i++) {
MidiDevice device = MidiSystem.getMidiDevice(infos[i]);
if (!(device instanceof Synthesizer) && !(device instanceof Sequencer)) {
if (device.getMaxReceivers() != 0) {
outDevice = device;
}
if (device.getMaxTransmitters() != 0) {
inDevice = device;
}
}
}
if (outDevice != null) {
// set the default provider properties
System.setProperty(Receiver.class.getName(), "#" + outDevice.getDeviceInfo().getName());
}
if (inDevice != null) {
System.setProperty(Transmitter.class.getName(), "#" + inDevice.getDeviceInfo().getName());
}
out("Using MIDI OUT Device: " + outDevice);
out("Using MIDI IN Device: " + inDevice);
isTestExecuted = false;
if (outDevice != null) {
isTestExecuted = true;
TestHelper testHelper = new ReceiverTestHelper(outDevice);
try {
doTest("Receiver", testHelper);
failed |= testHelper.hasFailed();
} catch (Exception e) {
out("Exception occured, cannot test!");
isTestExecuted = false;
}
}
if (inDevice != null) {
isTestExecuted = true;
TestHelper testHelper = new TransmitterTestHelper(inDevice);
try {
doTest("Transmitter", testHelper);
failed |= testHelper.hasFailed();
} catch (Exception e) {
out("Exception occured, cannot test!");
isTestExecuted = false;
}
}
isTestPassed = !failed;
if (isTestExecuted) {
if (isTestPassed) {
out("Test PASSED.");
} else {
throw new Exception("Test FAILED.");
}
} else {
out("Test NOT FAILED");
}
}
public void play(String name, String version, String vendor, String desc) throws Exception {
Info port = null;
for (Info info : MidiSystem.getMidiDeviceInfo()) {
if (name == null && version == null && vendor == null && desc == null) {
System.err.println(
"At least one of name, version, vendor, or description must be specified.");
break;
}
if (name != null && !info.getName().equals(name)) {
continue;
}
if (vendor != null && !info.getVendor().equals(vendor)) {
continue;
}
if (version != null && !info.getVersion().equals(version)) {
continue;
}
if (desc != null && !info.getDescription().equals(desc)) {
continue;
}
try (MidiDevice dev = MidiSystem.getMidiDevice(info)) {
Receiver r = null;
try {
r = dev.getReceiver();
} catch (Exception e) {
r = null;
}
if (r == null) {
continue;
}
}
if (port != null) {
System.err.println(
"Multiple MIDI ports match the given parameters. Please be more specific.");
port = null;
break;
}
port = info;
continue;
}
if (port == null) {
System.err.println("Unable to locate MIDI port");
System.err.println("Available ports:");
for (Info info : MidiSystem.getMidiDeviceInfo()) {
try (MidiDevice dev = MidiSystem.getMidiDevice(info)) {
Receiver r = null;
try {
r = dev.getReceiver();
} catch (Exception e) {
r = null;
}
if (r == null) {
continue;
}
}
System.out.println(
"Device [name="
+ info.getName()
+ ", version="
+ info.getVersion()
+ ", vendor="
+ info.getVendor()
+ ", desc="
+ info.getDescription()
+ "]");
}
return;
}
System.out.println(
"Using device [name="
+ port.getName()
+ ", version="
+ port.getVersion()
+ ", vendor="
+ port.getVendor()
+ ", desc="
+ port.getDescription()
+ "]");
try (MidiDevice dev = MidiSystem.getMidiDevice(port)) {
int channel = CHANNEL_RAW_STEREO;
dev.open();
try (Receiver rx = dev.getReceiver()) {
rxCleanup = rx;
try (DataInputStream dis = new DataInputStream(new FileInputStream(ymz))) {
resetController(rx, channel, registers);
long startTime = System.nanoTime();
// read a buffer
long prevClock = 0;
while (true) {
long clock = dis.readLong();
byte register = dis.readByte();
byte value = dis.readByte();
if (prevClock != clock) {
sendAll(rx, channel, registers);
prevClock = clock;
}
sleepUntil(startTime, clock);
System.out.println(
"Clock: " + clock + " register: " + register + ", value: " + (value & 0xff));
if (register < 0 || register > 13) {
System.err.println("Invalid register " + register + " found, ignoring.");
continue;
}
registers[register] = value;
}
} catch (EOFException e) {
System.err.println("EOF reached");
} finally {
resetController(rx, channel, registers);
rxCleanup = null;
}
}
}
}
