Java by API/javax.microedition.media.control/MIDIControl — различия между версиями

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м (1 версия)
 
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Текущая версия на 14:15, 31 мая 2010

MIDIControl.CONTROL_CHANGE

 

import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.Display;
import javax.microedition.media.Manager;
import javax.microedition.media.Player;
import javax.microedition.media.control.MIDIControl;
import javax.microedition.midlet.MIDlet;
public class MIDIEventsMIDlet extends MIDlet {
  Display display = null;
  Alert alert = new Alert("Message");
  public MIDIEventsMIDlet() {
    display = Display.getDisplay(this);
    alert.setString("Working...");
    alert.setTimeout(Alert.FOREVER);
  }
  public void startApp() {
    display.setCurrent(alert);
    try {
      Player p = Manager.createPlayer(Manager.MIDI_DEVICE_LOCATOR);
      p.prefetch();
      MIDIControl mControl = (MIDIControl) p
          .getControl("javax.microedition.media.control.MIDIControl");
      if (mControl == null)
        throw new Exception("MIDIControl not available");
      mControl.shortMidiEvent(MIDIControl.NOTE_ON | 11, 60, 100);
      Thread.sleep(100);
      mControl.shortMidiEvent(192 | 11, 14, 0);
      Thread.sleep(100);
      mControl.shortMidiEvent(MIDIControl.CONTROL_CHANGE | 11, 7, 50);
      Thread.sleep(100);
      mControl.shortMidiEvent(MIDIControl.NOTE_ON | 11, 60, 0);
    } catch (Exception e) {
      alert.setString(e.getMessage());
    }
  }
  public void pauseApp() {
  }
  public void destroyApp(boolean unconditional) {
  }
}





MIDIControl: isBankQuerySupported()

 
import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.AlertType;
import javax.microedition.lcdui.Display;
import javax.microedition.media.Manager;
import javax.microedition.media.Player;
import javax.microedition.media.control.MIDIControl;
import javax.microedition.midlet.MIDlet;
public class MIDICapabilitiesMIDlet extends MIDlet {
  public void startApp() {
    try {
      Player p = Manager.createPlayer(Manager.MIDI_DEVICE_LOCATOR);
      p.prefetch();
      MIDIControl mControl = (MIDIControl) p
          .getControl("javax.microedition.media.control.MIDIControl");
      String msg = mControl.isBankQuerySupported() ? "MIDIControl is fully supported"
          : "Minimum MIDIControl is provided";
      Display.getDisplay(this).setCurrent(new Alert("Message", msg, null, AlertType.INFO));
    } catch (Exception e) {
      System.err.println(e);
    }
  }
  public void pauseApp() {
  }
  public void destroyApp(boolean unconditional) {
  }
}





MIDIControl.NOTE_ON

 

import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.Display;
import javax.microedition.media.Manager;
import javax.microedition.media.Player;
import javax.microedition.media.control.MIDIControl;
import javax.microedition.midlet.MIDlet;
public class MIDIEventsMIDlet extends MIDlet {
  Display display = null;
  Alert alert = new Alert("Message");
  public MIDIEventsMIDlet() {
    display = Display.getDisplay(this);
    alert.setString("Working...");
    alert.setTimeout(Alert.FOREVER);
  }
  public void startApp() {
    display.setCurrent(alert);
    try {
      Player p = Manager.createPlayer(Manager.MIDI_DEVICE_LOCATOR);
      p.prefetch();
      MIDIControl mControl = (MIDIControl) p
          .getControl("javax.microedition.media.control.MIDIControl");
      if (mControl == null)
        throw new Exception("MIDIControl not available");
      mControl.shortMidiEvent(MIDIControl.NOTE_ON | 11, 60, 100);
      Thread.sleep(100);
      mControl.shortMidiEvent(192 | 11, 14, 0);
      Thread.sleep(100);
      mControl.shortMidiEvent(MIDIControl.CONTROL_CHANGE | 11, 7, 50);
      Thread.sleep(100);
      mControl.shortMidiEvent(MIDIControl.NOTE_ON | 11, 60, 0);
    } catch (Exception e) {
      alert.setString(e.getMessage());
    }
  }
  public void pauseApp() {
  }
  public void destroyApp(boolean unconditional) {
  }
}





MIDIControl: shortMidiEvent(int arg0, int arg1, int arg2)

 

import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.Display;
import javax.microedition.media.Manager;
import javax.microedition.media.Player;
import javax.microedition.media.control.MIDIControl;
import javax.microedition.midlet.MIDlet;
public class MIDIEventsMIDlet extends MIDlet {
  Display display = null;
  Alert alert = new Alert("Message");
  public MIDIEventsMIDlet() {
    display = Display.getDisplay(this);
    alert.setString("Working...");
    alert.setTimeout(Alert.FOREVER);
  }
  public void startApp() {
    display.setCurrent(alert);
    try {
      Player p = Manager.createPlayer(Manager.MIDI_DEVICE_LOCATOR);
      p.prefetch();
      MIDIControl mControl = (MIDIControl) p
          .getControl("javax.microedition.media.control.MIDIControl");
      if (mControl == null)
        throw new Exception("MIDIControl not available");
      mControl.shortMidiEvent(MIDIControl.NOTE_ON | 11, 60, 100);
      Thread.sleep(100);
      mControl.shortMidiEvent(192 | 11, 14, 0);
      Thread.sleep(100);
      mControl.shortMidiEvent(MIDIControl.CONTROL_CHANGE | 11, 7, 50);
      Thread.sleep(100);
      mControl.shortMidiEvent(MIDIControl.NOTE_ON | 11, 60, 0);
    } catch (Exception e) {
      alert.setString(e.getMessage());
    }
  }
  public void pauseApp() {
  }
  public void destroyApp(boolean unconditional) {
  }
}


Источник — «http://jexp.ru/index.php?title=Java_by_API/javax.microedition.media.control/MIDIControl&oldid=273»