本文整理汇总了Java中javax.sound.midi.MidiDevice.isOpen方法的典型用法代码示例。如果您正苦于以下问题：Java MidiDevice.isOpen方法的具体用法？Java MidiDevice.isOpen怎么用？Java MidiDevice.isOpen使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javax.sound.midi.MidiDevice的用法示例。
在下文中一共展示了MidiDevice.isOpen方法的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: test
import javax.sound.midi.MidiDevice; //导入方法依赖的package包/类
static boolean test(Sequencer sequencer) throws MidiUnavailableException {
log("");
log("opening sequencer...");
sequencer.open(); // opens connected synthesizer implicitly
MidiDevice synth = getConnectedDevice(sequencer);
log(" connected device: " + getDeviceStr(synth));
log("closing sequencer...");
sequencer.close(); // closes the synth implicitly
log(" synth is " + getDeviceStr(synth));
MidiDevice synth2 = getConnectedDevice(sequencer);
log(" currently connected device: " + getDeviceStr(synth2));
if (synth != null && synth.isOpen()) {
log("FAIL.");
return false;
}
log("OK.");
return true;
}
示例2: update
import javax.sound.midi.MidiDevice; //导入方法依赖的package包/类
@Override
public void update() throws Exception
{
this.transmitterLoop++;
if (this.transmitterLoop % 600 == 0)
{
MidiDevice.Info[] infos = MidiSystem.getMidiDeviceInfo();
for (int i = 0; i < infos.length; i++)
{
MidiDevice device = MidiSystem.getMidiDevice(infos[i]);
if (NMOConfiguration.INSTANCE.integrations.midiTransmitter.transmitters.contains(device.getDeviceInfo().getName()))
{
if (!device.isOpen() && device.getMaxTransmitters() != 0)
{
final String name = device.getDeviceInfo().getName() + "/" + device.getDeviceInfo().getDescription() + "/" + device.getDeviceInfo().getVendor();
log.info("Connected MIDI device: " + name);
device.getTransmitter().setReceiver(new Receiver()
{
@Override
public void send(MidiMessage message, long timeStamp)
{
MainDialog.resetActivityTimer(MIDI_TRANSMITTER);
}
@Override
public void close()
{
log.info("Disconnected MIDI device: " + name);
}
});
device.open();
}
}
}
}
}
示例3: open
import javax.sound.midi.MidiDevice; //导入方法依赖的package包/类
/**
* Opens the MIDI device.
*
* @param device the MIDI device.
*/
public static void open(MidiDevice device) {
if (device != null && !device.isOpen()) {
try {
device.open();
} catch (MidiUnavailableException e) {
throw SpongeUtils.wrapException(e);
}
}
}
示例4: close
import javax.sound.midi.MidiDevice; //导入方法依赖的package包/类
/**
* Closes the MIDI device.
*
* @param device the MIDI device.
*/
public static void close(MidiDevice device) {
try {
if (device != null && device.isOpen()) {
device.close();
}
} catch (Exception e) {
logger.warn("close", e);
}
}
示例5: main
import javax.sound.midi.MidiDevice; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
MidiDevice/*Synthesizer*/ synth = null;
try {
synth = MidiSystem.getSynthesizer();
//synth = MidiSystem.getMidiDevice(infos[0]);
System.out.println("Synthesizer: " + synth.getDeviceInfo());
synth.open();
MidiMessage msg = new GenericMidiMessage(0x90, 0x3C, 0x40);
//ShortMessage msg = new ShortMessage();
//msg.setMessage(0x90, 0x3C, 0x40);
synth.getReceiver().send(msg, 0);
Thread.sleep(2000);
} catch (Exception ex) {
ex.printStackTrace();
throw ex;
} finally {
if (synth != null && synth.isOpen())
synth.close();
}
System.out.print("Did you heard a note? (enter 'y' or 'n') ");
int result = System.in.read();
System.in.skip(1000);
if (result == 'y' || result == 'Y')
{
System.out.println("Test passed sucessfully.");
}
else
{
System.out.println("Test FAILED.");
throw new RuntimeException("Test failed.");
}
}
示例6: checkOpen
import javax.sound.midi.MidiDevice; //导入方法依赖的package包/类
private void checkOpen(MidiDevice device, boolean desiredState) {
if (device.isOpen() != desiredState) {
out("device should be " +
getStateString(desiredState) + ", but isn't!");
failed = true;
}
}
示例7: getDeviceStr
import javax.sound.midi.MidiDevice; //导入方法依赖的package包/类
static String getDeviceStr(MidiDevice dev) {
if (dev == null) {
return "NULL";
}
return getClassStr(dev) + ", " + (dev.isOpen() ? "OPENED" : "CLOSED");
}