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 position;
+ 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.
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, RESOLUTION, DEFAULT_TRACKS);
+ seq = new Sequence(Sequence.PPQ, DEFAULT_RESOLUTION, DEFAULT_TRACKS);
sequencer.setSequence(seq);
} catch (InvalidMidiDataException e) {}
// Sends sequence to GUI.
* Starts playback of the current sequence.
*/
public static void play() {
- sequencer.setTickPosition(position);
+ sequencer.setTickPosition(editPosition);
resume();
}
* Pauses playback of the current sequence.
*/
public static void pause() {
- sequencer.stop();
- player.interrupt();
+ if (sequencer.isRunning()) {
+ sequencer.stop();
+ }
+ if (player != null) player.interrupt();
}
/**
* Resumes playback of the current sequence.
*/
public static void resume() {
+ gui.update(0);
sequencer.start();
// Disables input to volatile components
// 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();
}
};
* Stops playback of the current sequence.
*/
public static void stop() {
- sequencer.stop();
- sequencer.setTickPosition(position);
- player.interrupt();
+ if (sequencer.isRunning()) {
+ sequencer.stop();
+ }
+ sequencer.setTickPosition(editPosition);
+ if (player != null) player.interrupt();
gui.update((long)0);
}
/**
- * Returns the current tick position of the sequencer.
+ * Returns the current editing position of the sequencer.
* @return the tick position
*/
public static long getPosition() {
- return position;
+ return editPosition;
}
/**
- * Sets the current tick position of the sequencer.
+ * Sets the current editing position of the sequencer.
* @param ticks the tick position
*/
public static void setPosition(long ticks) {
- position = ticks;
+ 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
}
/**
* @param measures the number of measures to rewind
*/
public static void rewind(long ticks) {
- setPosition(position - ticks);
+ editPosition -= ticks;
}
/**
* @param measures the number of measures to fast forward
*/
public static void forward(long ticks) {
- setPosition(position + ticks);
+ editPosition += ticks;
}
/**
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;
+ ArrayList noteOns, noteOffs;
for (int i = 0; i < tracks.length; i++) {
+ noteOns = new ArrayList(tracks.length);
/*
Collections.sort(track[i].events, new Comparator() {
public int compare(Object o1, Object o2) {
*/
for (int j = 0; j < tracks[i].size(); j++) {
noteOn = tracks[i].get(j);
- if (noteOn.getMessage() instanceof ShortMessage) {
- if (((ShortMessage)noteOn.getMessage()).getCommand() == ShortMessage.NOTE_ON) {
- // Finds the corresponding NoteOff event
- for (int k = j + 1; k < tracks[i].size(); k++) {
- nextEvent = tracks[i].get(k);
- nextMsg = nextEvent.getMessage();
- if (nextMsg instanceof ShortMessage) {
- shortMsg = (ShortMessage) nextMsg;
- if (shortMsg.getCommand() == ShortMessage.NOTE_OFF && shortMsg.getChannel() == ((ShortMessage)noteOn.getMessage()).getChannel() && shortMsg.getData1() == ((ShortMessage)noteOn.getMessage()).getData1()) {
- noteOff = nextEvent;
- break;
- }
+ if (noteOn.getMessage().getStatus() == ShortMessage.NOTE_ON) {
+ // Finds the corresponding NoteOff event
+ for (int k = j + 1; k < tracks[i].size(); k++) {
+ nextEvent = tracks[i].get(k);
+ nextMsg = nextEvent.getMessage();
+ if (nextMsg instanceof ShortMessage) {
+ shortMsg = (ShortMessage) nextMsg;
+ if (shortMsg.getCommand() == ShortMessage.NOTE_OFF && shortMsg.getChannel() == ((ShortMessage)noteOn.getMessage()).getChannel() && shortMsg.getData1() == ((ShortMessage)noteOn.getMessage()).getData1()) {
+ noteOff = nextEvent;
+ break;
}
- }
- // Replaces the NoteOn event with a MooNote, if possible with the corresponding NoteOff event
- tracks[i].remove(noteOn);
- if (noteOff != null) {
- tracks[i].add(new MooNote(noteOn, noteOff));
- } else {
- tracks[i].add(new MooNote(noteOn));
}
}
+ // Replaces the NoteOn event with a MooNote, if possible with the corresponding NoteOff event
+ tracks[i].remove(noteOn);
+ if (noteOff != null) {
+ tracks[i].add(new MooNote(noteOn, noteOff));
+ } else {
+ tracks[i].add(new MooNote(noteOn));
+ }
}
}
}
MidiSystem.write(seq, 1, new File(filename));
} catch (IOException e) {}
filename = file;
+ gui.setStatus("Saved " + file);
}
/**
projects / moosique.git / blobdiff