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;
}
}
}
}
