private static Synthesizer synthesizer;
private static MidiChannel[] channels;
private static MidiChannel activeChannel;
+ private static MetaMessage tempoMsg, timeSigMsg;
private static String filename, fileArg;
private static long editPosition;
private static boolean makeGUI = true, isEdited;
private static Thread player;
- public static final int RESOLUTION = 96, DEFAULT_TRACKS = 4;
+ public static final int DEFAULT_RESOLUTION = 96, DEFAULT_TRACKS = 4;
/**
* Starts the application.
public static void clearSequence() {
// Creates a new sequence and sends it to the sequencer.
try {
- seq = new Sequence(Sequence.PPQ, RESOLUTION, DEFAULT_TRACKS);
+ seq = new Sequence(Sequence.PPQ, DEFAULT_RESOLUTION, DEFAULT_TRACKS);
sequencer.setSequence(seq);
} catch (InvalidMidiDataException e) {}
// Sends sequence to GUI.
// Creates the visualization thread and starts it.
player = new Thread () {
public void run() {
- while(sequencer.isRunning()) gui.update(sequencer.getTickPosition());
+ while(sequencer.isRunning()) {
+ // Updates the GUI with the current tick position.
+ gui.update(sequencer.getTickPosition());
+
+ // Puts the thread to sleep for as long as it takes
+ // the sequencer to reach the next sixteenth.
+ try {
+ sleep((long)((1000 * 60 * 1) / (getTempo() * 4)));
+ } catch (InterruptedException e) {
+ Moosique.stop();
+ }
+ }
Moosique.stop();
}
};
editPosition = ticks;
}
+ /**
+ * Returns the tempo of the current sequence.
+ * @return the tick position
+ */
+ public static int getTempo() {
+ return 120;
+ // if (tempoMsg == null) return 0;
+ }
+
+ /**
+ * Sets the current editing position of the sequencer.
+ * @param ticks the tick position
+ */
+ public static void setTempo(int bpm) {
+ // tempoMsg
+ }
+
+ /**
+ * Returns the tempo of the current sequence.
+ * @return the tick position
+ */
+ public static int[] getTimeSig() {
+ int[] ts = {4, 4};
+ return ts;
+ // if (timeSigMsg == null) return 0;
+ }
+
+ /**
+ * Sets the current editing position of the sequencer.
+ * @param ticks the tick position
+ */
+ public static void setTimeSig(int bpm) {
+ // timeSigMsg
+ }
+
/**
* Returns true if the current sequence has been edited.
* @return the tick position
return false;
}
isEdited = false;
-
- // Searches the sequence for NoteOn events
+
Track[] tracks = seq.getTracks();
+
+ // Stores tempo and time signature.
+ MidiMessage msg;
+ MetaMessage metaMsg;
+ for (int i = 0; i < tracks[0].size(); i++) {
+ msg = tracks[0].get(i).getMessage();
+ if (msg.getStatus() == MetaMessage.META) {
+ metaMsg = (MetaMessage)msg;
+ if (metaMsg.getType() == 81) {
+ tempoMsg = metaMsg;
+ } else if (metaMsg.getType() == 88) {
+ timeSigMsg = (MetaMessage)msg;
+ }
+
+ }
+ }
+
+ // Searches the sequence for NoteOn events
MidiEvent noteOn, noteOff = null, nextEvent;
MidiMessage nextMsg;
ShortMessage shortMsg;
MidiSystem.write(seq, 1, new File(filename));
} catch (IOException e) {}
filename = file;
+ gui.setStatus("Saved " + file);
}
/**