private static Receiver receiver;
private static MidiChannel[] channels;
private static MidiChannel activeChannel;
+ private static Track recordTrack = null;
+ private static MooTrackView recordTrackView = null;
private static ArrayList copyBuffer, emptyTracks, timeSignatures, tempoChanges;
private static TreeSet selection;
private static long editPosition;
private static boolean makeGUI = true, initSound = true, edited = false, drawEmptyTracks = false;
public static final int DEFAULT_RESOLUTION = 96, DEFAULT_TRACKS = 4;
- public static final int WHOLE_NOTE = 0, HALF_NOTE = 1, QUARTER_NOTE = 2, EIGHTH_NOTE = 3, SIXTEENTH_NOTE = 4;
+ public static final int WHOLE_NOTE = 16, HALF_NOTE = 8, QUARTER_NOTE = 4, EIGHTH_NOTE = 2, SIXTEENTH_NOTE = 1;
/**
* Starts the application.
// Acquires MIDI devices and connects them.
out("Initializing MIDI devices.", false);
try {
- // Configures sequencer
+ // Configures sequencer.
sequencer = MidiSystem.getSequencer();
advanceStatus();
sequencer.open();
sequencer.addMetaEventListener(new SongEndListener());
- // Configures synthesizer
+ // Configures synthesizer.
synthesizer = MidiSystem.getSynthesizer();
advanceStatus();
synthesizer.open();
- // Configures receiver, transmitter and channels.
+ // Connects devices.
receiver = synthesizer.getReceiver();
sequencer.getTransmitter().setReceiver(receiver);
+
+ // Configures channels.
channels = synthesizer.getChannels();
setActiveChannel(0);
} catch (MidiUnavailableException e) {
return gui;
}
- /**
- * Calculates the position (measures, beats, ticks) in the current sequence for the given tick position.
- * @param tickPosition the tick position for which to calculate the position
- * @return an array of integers where index 0 is measures, 1 is beats and 2 is ticks.
- */
- public static int[] getPositionForTicks(long tickPosition) {
- int ticksPerBeat = seq.getResolution(), sigs = timeSignatures.size(), beatsPerMeasure = 4;
- long measures = 0, beats = 0, ticks = 0;
- if (sigs > 1) {
- /*
- Iterator it = timeSignatures.iterator();
- MidiEvent lastTSEvent = (MidiEvent)it.next();
- if (lastTSEvent.getTick() != 0) tickPos += (int)lastTSEvent.getTick();
- while(it.hasNext()) {
- MidiEvent nextTSEvent = (MidiEvent)it.next();
- long tickDiff = nextTSEvent.getTick() - lastTSEvent.getTick();
- ts = decodeTimeSig(((MetaMessage)lastTSEvent.getMessage()).getData());
- beatsPerMeasure = ts[0] * (4 / ts[1]);
- tickPos += ((beatsPerMeasure * measures + beats) * res + ticks);
- }
- */
- } else {
- if (sigs == 1) {
- MidiEvent TSEvent = (MidiEvent)timeSignatures.get(0);
- int[] ts = decodeTimeSig(((MetaMessage)TSEvent.getMessage()).getData());
- beatsPerMeasure = ts[0] * (4 / ts[1]);
- }
- measures = tickPosition / (beatsPerMeasure * ticksPerBeat);
- beats = (tickPosition - measures * beatsPerMeasure * ticksPerBeat) / ticksPerBeat;
- ticks = tickPosition - measures * beatsPerMeasure * ticksPerBeat - beats * ticksPerBeat;
- }
- int[] pos = {(int)measures + 1, (int)beats + 1, (int)ticks + 1};
- return pos;
- }
-
/**
* Returns the receiver of the current sequencer.
* @return the receiver
return sequencer;
}
- /**
- * Returns the tempo in the given tick position.
- * @param tick the tick position for which to return the tempo
- * @return the tempo at the specified tick position
- */
- public static int getTempo(long tick) {
- if (tempoChanges.size() == 0) return 120;
- MidiEvent tempoEvent = (MidiEvent)tempoChanges.get(0);
- if (tempoChanges.size() > 1) {
- for (int i = 1; i < tempoChanges.size(); i++) {
- MidiEvent nextTempoEvent = (MidiEvent)tempoChanges.get(i);
- if (nextTempoEvent.getTick() < tick && nextTempoEvent.getTick() > tempoEvent.getTick())
- tempoEvent = nextTempoEvent;
- }
- }
- return decodeTempo(((MetaMessage)tempoEvent.getMessage()).getData());
- }
-
- /**
- * Calculates the tick position in the current sequence for the given position (measures, beats, ticks).
- * @return the tick position.
- */
- public static long getTicksForPosition(int measures, int beats, int ticks) {
- int res = seq.getResolution();
- long tickPos = 0;
- switch (timeSignatures.size()) {
- case 0:
- tickPos = (4 * measures + beats) * res + ticks;
- case 1:
- MidiEvent TSEvent = (MidiEvent)timeSignatures.get(0);
- int[] ts = decodeTimeSig(((MetaMessage)TSEvent.getMessage()).getData());
- int beatsPerMeasure = ts[0] * (4 / ts[1]);
- tickPos = (beatsPerMeasure * measures + beats) * res + ticks;
- default:
- Iterator it = timeSignatures.iterator();
- MidiEvent lastTSEvent = (MidiEvent)it.next();
- if (lastTSEvent.getTick() != 0) tickPos += (int)lastTSEvent.getTick();
- while(it.hasNext()) {
- MidiEvent nextTSEvent = (MidiEvent)it.next();
- long tickDiff = nextTSEvent.getTick() - lastTSEvent.getTick();
- ts = decodeTimeSig(((MetaMessage)lastTSEvent.getMessage()).getData());
- beatsPerMeasure = ts[0] * (4 / ts[1]);
- tickPos += ((beatsPerMeasure * measures + beats) * res + ticks);
- }
- }
- return tickPos;
- }
-
- /**
- * Returns the time signature in the given tick position.
- * @param tick the tick position for which to return the time signature
- * @return an array of two integers where [0] is the numerator and [1] the denominator
- */
- public static int[] getTimeSig(long tick) {
- int[] ts = {4, 4};
- if (timeSignatures.size() == 0) return ts;
- MidiEvent timeSigEvent = (MidiEvent)timeSignatures.get(0);
- if (timeSignatures.size() > 1) {
- for (int i = 1; i < timeSignatures.size(); i++) {
- MidiEvent nextTimeSigEvent = (MidiEvent)timeSignatures.get(i);
- if (nextTimeSigEvent.getTick() < tick && nextTimeSigEvent.getTick() > timeSigEvent.getTick())
- timeSigEvent = nextTimeSigEvent;
- }
- }
- return decodeTimeSig(((MetaMessage)timeSigEvent.getMessage()).getData());
- }
-
/**
* Returns true if the current sequence has been edited.
* @return the tick position
- /* ***
- ** ENCODING / DECODING METHODS **
- *** */
-
-
-
-
-
-
-
-
- /**
- * Returns the byte array for the given tempo.
- * @param tempo the tempo in beats per minute
- * @return an array of bytes representing the given tempo
- */
- public static byte[] encodeTempo(int tempo) {
- int microSecsPerQuarter = 60000000 / tempo;
- byte[] b = new byte[3];
- b[0] = (byte)(microSecsPerQuarter / 65536);
- b[1] = (byte)((microSecsPerQuarter - (b[0] * 65536)) / 256);
- b[2] = (byte)(microSecsPerQuarter - (b[0] * 65536) - (b[1] * 256));
- return b;
- }
-
- /**
- * Returns the tempo for the given byte array.
- * @param an array of three bytes representing the tempo
- * @return the tempo in beats per minute
- */
- public static int decodeTempo(byte[] bytes) {
- return 60000000 / (bytes[0] * 65536 + bytes[1] * 256 + bytes[2]);
- }
-
- /**
- * Returns the byte array for the given time signature.
- * @param numerator the numerator of the time signature
- * @param denominator the denominator of the time signature
- * @return an array of bytes representing the given time signature
- */
- public static byte[] encodeTimeSig(int numerator, int denominator) {
- byte[] b = {
- (byte)numerator,
- (byte)(Math.log(denominator) / Math.log(2)), // logarithm of denominator in base 2
- (byte)96,
- (byte)8
- };
- return b;
- }
- /**
- * Returns the time signature for the given byte array.
- * @param an array of four bytes representing the time signature
- * @return an array of two integers where [0] is the numerator and [1] the denominator
- */
- public static int[] decodeTimeSig(byte[] bytes) {
- int[] t = {
- (int)bytes[0],
- (int)(1 << bytes[1])
- };
- return t;
- }
-
-
-
-
-
-
-
-
/* ***
** SELECTION METHODS **
*** */
sequencer.setTickPosition(editPosition);
player = null;
gui.update((long)0);
+
+ if (recordTrack != null && recordTrackView != null) {
+ recordTrackView.disableKeyboardRecording();
+ sequencer.stopRecording();
+ sequencer.recordDisable(recordTrack);
+// if (quantize) recordTrackView.placeNewNotes(quantize(
+// convertTrack(recordTrack), SIXTEENTH_NOTE, true, true));
+// else recordTrackView.placeNewNotes(Moosique.convertTrack(recordTrack));
+ }
+ }
+
+ /**
+ * Enables recording to the given track.
+ */
+ public static boolean record(Track track) {
+/* try {
+ sequencer.recordEnable(track, channel);
+ sequencer.startRecording();
+ } catch(Exception e) {
+ return false;
+ }
+ recordTrackView = gui.getView().getTrackView(track);
+ recordTrackView.enableKeyboardRecording();
+ Moosique.setEdited();
+*/
+ return true;
+ }
+
+
+
+
+
+
+
+
+ /* ***
+ ** TEMPO & TIME SIGNATURE METHODS **
+ *** */
+
+
+
+
+
+
+
+
+ /**
+ * Returns the byte array for the given tempo.
+ * @param tempo the tempo in beats per minute
+ * @return an array of bytes representing the given tempo
+ */
+ public static byte[] encodeTempo(int tempo) {
+ int microSecsPerQuarter = 60000000 / tempo;
+ byte[] b = new byte[3];
+ b[0] = (byte)(microSecsPerQuarter / 65536);
+ b[1] = (byte)((microSecsPerQuarter - (b[0] * 65536)) / 256);
+ b[2] = (byte)(microSecsPerQuarter - (b[0] * 65536) - (b[1] * 256));
+ return b;
+ }
+
+ /**
+ * Returns the tempo for the given byte array.
+ * @param an array of three bytes representing the tempo
+ * @return the tempo in beats per minute
+ */
+ public static int decodeTempo(byte[] bytes) {
+ return 60000000 / (bytes[0] * 65536 + bytes[1] * 256 + bytes[2]);
+ }
+
+ /**
+ * Returns the tempo in the given tick position.
+ * @param tick the tick position for which to return the tempo
+ * @return the tempo at the specified tick position
+ */
+ public static int getTempo(long tick) {
+ if (tempoChanges.size() == 0) return 120;
+ MidiEvent tempoEvent = (MidiEvent)tempoChanges.get(0);
+ if (tempoChanges.size() > 1) {
+ for (int i = 1; i < tempoChanges.size(); i++) {
+ MidiEvent nextTempoEvent = (MidiEvent)tempoChanges.get(i);
+ if (nextTempoEvent.getTick() < tick && nextTempoEvent.getTick() > tempoEvent.getTick())
+ tempoEvent = nextTempoEvent;
+ }
+ }
+ return decodeTempo(((MetaMessage)tempoEvent.getMessage()).getData());
+ }
+
+ /**
+ * Returns the byte array for the given time signature.
+ * @param numerator the numerator of the time signature
+ * @param denominator the denominator of the time signature
+ * @return an array of bytes representing the given time signature
+ */
+ public static byte[] encodeTimeSig(int numerator, int denominator) {
+ byte[] b = {
+ (byte)numerator,
+ (byte)(Math.log(denominator) / Math.log(2)), // logarithm of denominator in base 2
+ (byte)96,
+ (byte)8
+ };
+ return b;
+ }
+ /**
+ * Returns the time signature for the given byte array.
+ * @param an array of four bytes representing the time signature
+ * @return an array of two integers where [0] is the numerator and [1] the denominator
+ */
+ public static int[] decodeTimeSig(byte[] bytes) {
+ int[] t = {
+ (int)bytes[0],
+ (int)(1 << bytes[1])
+ };
+ return t;
+ }
+
+ /**
+ * Returns the time signature in the given tick position.
+ * @param tick the tick position for which to return the time signature
+ * @return an array of two integers where [0] is the numerator and [1] the denominator
+ */
+ public static int[] getTimeSig(long tick) {
+ int[] ts = {4, 4};
+ if (timeSignatures.size() == 0) return ts;
+ MidiEvent timeSigEvent = (MidiEvent)timeSignatures.get(0);
+ if (timeSignatures.size() > 1) {
+ for (int i = 1; i < timeSignatures.size(); i++) {
+ MidiEvent nextTimeSigEvent = (MidiEvent)timeSignatures.get(i);
+ if (nextTimeSigEvent.getTick() < tick && nextTimeSigEvent.getTick() > timeSigEvent.getTick())
+ timeSigEvent = nextTimeSigEvent;
+ }
+ }
+ return decodeTimeSig(((MetaMessage)timeSigEvent.getMessage()).getData());
+ }
+
+ /**
+ * Calculates the position (measures, beats, ticks) in the current sequence for the given tick position.
+ * @param tickPosition the tick position for which to calculate the position
+ * @return an array of integers where index 0 is measures, 1 is beats and 2 is ticks.
+ */
+ public static int[] getPositionForTicks(long tickPosition) {
+ int ticksPerBeat = seq.getResolution();
+ long measures = 0, beats = 0, ticks = 0;
+
+ // Counts for each time signature change up to the last one before the given tick position.
+ Iterator it = timeSignatures.iterator();
+ MidiEvent lastTSEvent = (MidiEvent)it.next();
+ while(it.hasNext()) {
+ MidiEvent nextTSEvent = (MidiEvent)it.next();
+ if (nextTSEvent.getTick() > tickPosition) break;
+ long tickDiff = nextTSEvent.getTick() - lastTSEvent.getTick();
+ int[] ts = decodeTimeSig(((MetaMessage)lastTSEvent.getMessage()).getData());
+ int beatsPerMeasure = ts[0] * (4 / ts[1]);
+ long thisTSMeasures = tickDiff / (beatsPerMeasure * ticksPerBeat);
+ measures += thisTSMeasures;
+ long thisTSBeats = (tickDiff - thisTSMeasures * beatsPerMeasure * ticksPerBeat) / ticksPerBeat;
+ beats += thisTSBeats;
+ ticks += tickDiff - thisTSMeasures * beatsPerMeasure * ticksPerBeat - thisTSBeats * ticksPerBeat;
+ lastTSEvent = nextTSEvent;
+ }
+
+ // Counts from the given tick position to the last time signature change before it.
+ long tickDiff = tickPosition - lastTSEvent.getTick();
+ int[] ts = decodeTimeSig(((MetaMessage)lastTSEvent.getMessage()).getData());
+ int beatsPerMeasure = ts[0] * (4 / ts[1]);
+ long thisTSMeasures = tickDiff / (beatsPerMeasure * ticksPerBeat);
+ measures += thisTSMeasures;
+ long thisTSBeats = (tickDiff - thisTSMeasures * beatsPerMeasure * ticksPerBeat) / ticksPerBeat;
+ beats += thisTSBeats;
+ ticks += tickDiff - thisTSMeasures * beatsPerMeasure * ticksPerBeat - thisTSBeats * ticksPerBeat;
+
+ // Corrects any overflows.
+ if (ticks > ticksPerBeat) {
+ beats += Math.floor(ticks / ticksPerBeat);
+ ticks = ticks % ticksPerBeat;
+ }
+ if (beats > beatsPerMeasure) {
+ measures += Math.floor(beats / beatsPerMeasure);
+ beats = beats % beatsPerMeasure;
+ }
+
+ // Returns the calculated values.
+ int[] pos = {(int)measures, (int)beats, (int)ticks};
+ return pos;
+ }
+
+ /**
+ * Calculates the tick position in the current sequence for the given position (measures, beats, ticks).
+ * @param measures the measure of the current position
+ * @param beats the beat of the current position
+ * @param tick the tick of the current position
+ * @return the tick position.
+ */
+ public static long getTicksForPosition(int measures, int beats, int ticks) {
+ int res = seq.getResolution();
+ int[] lastTSPos = new int[3];
+ long tickPosition = 0;
+
+ // Counts for each time signature change up to the last one before the given tick position.
+ Iterator it = timeSignatures.iterator();
+ MidiEvent lastTSEvent = (MidiEvent)it.next();
+ while(it.hasNext()) {
+ MidiEvent nextTSEvent = (MidiEvent)it.next();
+ int[] nextTSPos = getPositionForTicks(nextTSEvent.getTick());
+ if (nextTSPos[0] >= measures) break;
+ lastTSPos = nextTSPos;
+ lastTSEvent = nextTSEvent;
+ }
+
+ // Counts from the given tick position to the last time signature change before it.
+ int measdiff = measures - lastTSPos[0];
+ int[] ts = decodeTimeSig(((MetaMessage)lastTSEvent.getMessage()).getData());
+ int beatsPerMeasure = ts[0] * (4 / ts[1]);
+ tickPosition = lastTSEvent.getTick() + (beatsPerMeasure * measures + beats) * res + ticks;
+
+ return tickPosition;
}
// Reinitializes sequence variables
file = null;
- reinitializeVariables();
+ reinitializeLists();
// Sends the sequence to the GUI.
if (gui != null) gui.setSequence(seq, null);
* @param quantize whether to round locations and durations in the track to nearest 16th
* @return a list of the created MooNotes
*/
- public static List convertTrack(Track track, boolean quantize) {
+ public static List convertTrack(Track track) {
// Searches the track for NoteOn and NoteOff events
ArrayList noteOns = new ArrayList(track.size() / 2);
ArrayList noteOffs = new ArrayList(track.size() / 2);
iOn.remove();
}
}
- if (quantize) quantize(newMooNotes, SIXTEENTH_NOTE, true, true);
return newMooNotes;
}
edited = false;
Track[] tracks = seq.getTracks();
- reinitializeVariables();
+ reinitializeLists();
// Searches track 0 for changes in tempo and time signature.
MidiEvent event;
Collections.sort(tempoChanges, c);
Collections.sort(timeSignatures, c);
+ try {
+ // If no time signature specified at tick 0, adds the standard one.
+ if (timeSignatures.size() == 0 || ((MidiEvent)timeSignatures.get(0)).getTick() != 0) {
+ MetaMessage timeSigMsg = new MetaMessage();
+ timeSigMsg.setMessage(88, encodeTimeSig(4, 4), 4);
+ timeSignatures.add(0, new MidiEvent(timeSigMsg, (long)0));
+ }
+
+ // If no tempo specified at tick 0, adds the standard one.
+ if (tempoChanges.size() == 0 || ((MidiEvent)tempoChanges.get(0)).getTick() != 0) {
+ MetaMessage tempoMsg = new MetaMessage();
+ tempoMsg.setMessage(81, encodeTempo(120), 3);
+ tempoChanges.add(0, new MidiEvent(tempoMsg, (long)0));
+ }
+ } catch (Exception e) {}
+
// Converts tracks.
for (int i = 0; i < tracks.length; i++) {
- convertTrack(tracks[i], false);
+ convertTrack(tracks[i]);
}
// Sends sequence to GUI and sequencer, then returns
* @param location whether the quantize should affect the location of the note
* @param duration whether the quantize should affect the duration of the note
*/
- public static void quantize(List notes, int resolution, boolean location, boolean duration) {
- // Math.round(mn.getTick() / ticksPerSixteenth);
+ public static List quantize(List notes, int resolution, boolean location, boolean duration) {
+ Iterator it = notes.iterator();
+ int noteSize = resolution * seq.getResolution() / 4;
+ while(it.hasNext()) {
+ MidiEvent note = (MidiEvent)it.next();
+ if (note instanceof MooNote) {
+ MooNote mn = (MooNote)note;
+ if (location) mn.setTick(Math.round(mn.getTick() / noteSize) * noteSize);
+ if (duration) {
+ int length = Math.round(mn.getDuration() / noteSize) * noteSize;
+ if (length < noteSize) length = noteSize;
+ mn.setDuration(length);
+ }
+ }
+ }
+ return notes;
}
/**
- * Reinitializes sequence-specific variables.
+ * Reinitializes sequence-specific collections.
*/
- private static void reinitializeVariables() {
- emptyTracks = new ArrayList();
- timeSignatures = new ArrayList();
- tempoChanges = new ArrayList();
- trackSolo = new HashMap();
- trackMute = new HashMap();
- copyBuffer = new ArrayList();
- selection = new TreeSet();
+ private static void reinitializeLists() {
+ emptyTracks = new ArrayList();
+ timeSignatures = new ArrayList();
+ tempoChanges = new ArrayList();
+ copyBuffer = new ArrayList();
+ trackSolo = new HashMap();
+ trackMute = new HashMap();
+ selection = new TreeSet();
}
/**
projects / moosique.git / commitdiff
