import javax.sound.midi.*;
-import javax.swing.*;
import java.io.*;
+import javax.swing.*;
+import java.util.*;
/**
* Moosique - The MIDI Tracker
private static String filename, fileArg;
private static long position;
- private static boolean makeGUI = true;
+ private static boolean makeGUI = true, isEdited;
+ private static Thread player;
+ public static final int RESOLUTION = 96, DEFAULT_TRACKS = 4;
/**
* Starts the application.
setActiveChannel(0);
} catch (MidiUnavailableException e) {
System.out.println("Failed, quitting.");
- quit();
+// System.exit(1);
}
System.out.println("Done");
//If a filename is given as the command-line argument, attempts to load a sequence from the file.
if (fileArg != null) {
System.out.print("Loading MIDI sequence from " + fileArg + "...");
- if (!load(fileArg)) clearSequence();
- System.out.println("Done");
+ if (!load(fileArg)) {
+ System.out.println("Failed");
+ clearSequence();
+ } else {
+ System.out.println("Done");
+ }
} else {
// Otherwise creates a new empty one.
clearSequence();
}
- // If n-flag is set, plays song and then exits. Otherwise builds GUI.
+ // Builds GUI, unless n-flag is set.
if (makeGUI) {
System.out.print("Building GUI...");
+ try {
+ UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
+ } catch (Exception e) {}
gui = new MooGUI(seq);
System.out.println("Done");
} else {
return channels;
}
+ /**
+ * Returns the MidiChannels of the selected synthesizer.
+ * @return the available MidiChannels
+ */
+ public static MidiChannel getChannel(int i) {
+ return channels[i];
+ }
+
/**
* Returns the currently active MidiChannel.
* @return the active MidiChannel
public static void clearSequence() {
// Creates a new sequence and sends it to the sequencer.
try {
- seq = new Sequence(Sequence.PPQ, 96, 3);
+ seq = new Sequence(Sequence.PPQ, RESOLUTION, DEFAULT_TRACKS);
sequencer.setSequence(seq);
} catch (InvalidMidiDataException e) {}
// Sends sequence to GUI.
*/
public static void play() {
sequencer.setTickPosition(position);
- sequencer.start();
+ resume();
}
/**
*/
public static void pause() {
sequencer.stop();
+ player.interrupt();
}
/**
*/
public static void resume() {
sequencer.start();
+
+ // Disables input to volatile components
+ // gui.disable();
+
+ // Creates the visualization thread and starts it.
+ player = new Thread () {
+ public void run() {
+ while(sequencer.isRunning()) gui.update(sequencer.getTickPosition());
+ Moosique.stop();
+ }
+ };
+ player.start();
}
/**
* Stops playback of the current sequence.
*/
public static void stop() {
- sequencer.stop();
- sequencer.setTickPosition(position);
+ if (sequencer.isRunning()) {
+ sequencer.stop();
+ sequencer.setTickPosition(position);
+ player.interrupt();
+ gui.update((long)0);
+ }
}
/**
- * Rewinds the current sequence the given number of measures.
- * @param measures the number of measures to rewind
+ * Returns the current tick position of the sequencer.
+ * @return the tick position
*/
public static long getPosition() {
- return position;
+ return sequencer.getTickPosition();
}
/**
- * Rewinds the current sequence the given number of measures.
- * @param measures the number of measures to rewind
+ * Sets the current tick position of the sequencer.
+ * @param ticks the tick position
*/
public static void setPosition(long ticks) {
- position = ticks;
+ sequencer.setTickPosition(ticks);
+ }
+
+ /**
+ * Returns true if the current sequence has been edited.
+ * @return the tick position
+ */
+ public static boolean isEdited() {
+ return isEdited;
+ }
+
+ /**
+ * Sets the current sequence as edited, which implies prompts when loading a new sequence.
+ */
+ public static void setEdited() {
+ isEdited = true;
}
/**
} catch (InvalidMidiDataException e) {
return false;
} catch (IOException e) {
- JOptionPane.showMessageDialog(null, "Error 404", "File Not Found", JOptionPane.ERROR_MESSAGE);
return false;
}
-
- // Sends sequence to GUI and sequencer
- if (gui != null) gui.setSequence(seq);
- try {
- sequencer.setSequence(seq);
- } catch (InvalidMidiDataException e) {}
-
+ isEdited = false;
+
// Searches the sequence for NoteOn events
Track[] tracks = seq.getTracks();
MidiEvent noteOn, noteOff = null, nextEvent;
MidiMessage nextMsg;
ShortMessage shortMsg;
for (int i = 0; i < tracks.length; i++) {
+ /*
+ Collections.sort(track[i].events, new Comparator() {
+ public int compare(Object o1, Object o2) {
+ return ((MidiEvent)o2).getTick() - ((MidiEvent)o1).getTick();
+ }
+ });
+ */
for (int j = 0; j < tracks[i].size(); j++) {
noteOn = tracks[i].get(j);
if (noteOn.getMessage() instanceof ShortMessage) {
}
}
}
+ // Sends sequence to GUI and sequencer, then returns
+ if (gui != null) gui.setSequence(seq);
+ try {
+ sequencer.setSequence(seq);
+ } catch (InvalidMidiDataException e) {}
return true;
}
if (synthesizer.isOpen()) synthesizer.close();
System.exit(0);
}
-}
\ No newline at end of file
+}