X-Git-Url: https://ruin.nu/git/?p=moosique.git;a=blobdiff_plain;f=Moosique.java;h=46efc7dc41e6acbadeba89067a09df0d566a3ec1;hp=38064b5f92d5cbd9913691a20f8f7a665bc16c90;hb=948e069926266ead58bc5466520e131941f2466c;hpb=4411495d2c20ac698ef308b0bf224534f37ccf72 diff --git a/Moosique.java b/Moosique.java index 38064b5..46efc7d 100644 --- a/Moosique.java +++ b/Moosique.java @@ -1,101 +1,411 @@ import javax.sound.midi.*; import java.io.*; +import javax.swing.*; +import java.util.*; /** - * Moosique - The trackers approach to MIDI - * ugg - * Main class that handles initiation, IO and sound FX. + * Moosique - The MIDI Tracker * - * @author Andersson, Andreen, Lanneskog, Pehrson - * @version 1 + * Main class that handles initiation, IO and sound. + * + * @author Einar Pehrson */ public class Moosique { private static MooGUI gui; - private static MooSequence seq; - private static String filename; + private static Sequence seq; + private static Sequencer sequencer; + 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 DEFAULT_RESOLUTION = 96, DEFAULT_TRACKS = 4; /** - * Runs the application. + * Starts the application. */ public static void main (String[] args) { + System.out.println("\nMoosique version 1.0\n"); + + // Parses command-line arguments. + for (int i = 0; i < args.length; i++) { + if (args[i].equals("-n")) {makeGUI = false;} + else if (fileArg == null) {fileArg = args[i];} + } + + // Acquires MIDI devices and connects them. + System.out.print("Initializing MIDI devices."); + try { + sequencer = MidiSystem.getSequencer(); + System.out.print("."); + sequencer.open(); + synthesizer = MidiSystem.getSynthesizer(); + System.out.print("."); + synthesizer.open(); + sequencer.getTransmitter().setReceiver(synthesizer.getReceiver()); + channels = synthesizer.getChannels(); + setActiveChannel(0); + } catch (MidiUnavailableException e) { + System.out.println("Failed, quitting."); +// 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)) { + System.out.println("Failed"); + clearSequence(); + } else { + System.out.println("Done"); + } + } else { + // Otherwise creates a new empty one. + clearSequence(); + } + // 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 { + System.out.print("Playing..."); + play(); + while (sequencer.isRunning()) {} + System.out.println("Done"); + quit(); + } } /** - * Returns a pointer to the current sequence. + * Returns the GUI. + * @return the GUI + */ + public static MooGUI getGUI() { + return gui; + } + + /** + * Returns the current sequence. * @return the current sequence */ - public static MooSequence getSequence() { - + public static Sequence getSequence() { + return seq; + } + + /** + * Returns the current sequencer. + * @return the current sequencer + */ + public static Sequencer getSequencer() { + return sequencer; + } + + /** + * Returns the MidiChannels of the selected synthesizer. + * @return the available MidiChannels + */ + public static MidiChannel[] getChannels() { + 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 MidiChannel getActiveChannel() { + return activeChannel; + } + + /** + * Sets the currently active MidiChannel. + * @param channel the number of the MidiChannel to activate + */ + public static void setActiveChannel(int channel) { + activeChannel = channels[channel]; + } + + /** + * Replaces the current sequence with a new one, holding three empty tracks. + */ + public static void clearSequence() { + // Creates a new sequence and sends it to the sequencer. + try { + seq = new Sequence(Sequence.PPQ, DEFAULT_RESOLUTION, DEFAULT_TRACKS); + sequencer.setSequence(seq); + } catch (InvalidMidiDataException e) {} + // Sends sequence to GUI. + if (gui != null) gui.setSequence(seq); } /** * Starts playback of the current sequence. */ public static void play() { - + sequencer.setTickPosition(editPosition); + resume(); } /** * Pauses playback of the current sequence. */ public static void pause() { - + 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 + // gui.disable(); + + // Creates the visualization thread and starts it. + player = new Thread () { + public void run() { + 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(); + } + }; + player.start(); } /** * Stops playback of the current sequence. */ public static void stop() { - + if (sequencer.isRunning()) { + sequencer.stop(); + } + sequencer.setTickPosition(editPosition); + if (player != null) player.interrupt(); + gui.update((long)0); + } + + /** + * Returns the current editing position of the sequencer. + * @return the tick position + */ + public static long getPosition() { + return editPosition; + } + + /** + * Sets the current editing position of the sequencer. + * @param ticks the tick position + */ + public static void setPosition(long 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 + } + + /** + * 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; } /** * Rewinds the current sequence the given number of measures. * @param measures the number of measures to rewind */ - public static void rewind(int measures) { - + public static void rewind(long ticks) { + editPosition -= ticks; } /** * Fast forwards the current sequence the given number of measures. * @param measures the number of measures to fast forward */ - public static void forward(int measures) { - + public static void forward(long ticks) { + editPosition += ticks; } /** * Loads the MooSequence in the given file. * @param filename the filename to use */ - public static void load(String filename) throws IOException { - + public static boolean load(String file) { + // Loads sequence from file + filename = file; + try { + seq = MidiSystem.getSequence(new File(filename)); + } catch (InvalidMidiDataException e) { + return false; + } catch (IOException e) { + return false; + } + isEdited = false; + + 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) { + return ((MidiEvent)o2).getTick() - ((MidiEvent)o1).getTick(); + } + }); + */ + for (int j = 0; j < tracks[i].size(); j++) { + noteOn = tracks[i].get(j); + 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)); + } + } + } + } + // Sends sequence to GUI and sequencer, then returns + if (gui != null) gui.setSequence(seq); + try { + sequencer.setSequence(seq); + } catch (InvalidMidiDataException e) {} + return true; } /** * Saves the current sequence to the given filename - * @param filename the filename to use + * @param file the filename to use */ - public static void saveAs(String filename) throws IOException { - + public static void saveAs(String file) { + try { + MidiSystem.write(seq, 1, new File(filename)); + } catch (IOException e) {} + filename = file; + gui.setStatus("Saved " + file); } /** * Saves the current sequence to the previously given filename. */ - public static void save() throws IOException { - + public static void save() { + saveAs(filename); } /** - * Exports the current sequence to a standard MIDI file. - * @param filename the filename to use + * Releases all reserved devices and exits the program. */ - public static void exportMIDI(String filename) throws IOException { - + public static void quit() { + if (sequencer.isOpen()) sequencer.close(); + if (synthesizer.isOpen()) synthesizer.close(); + System.exit(0); } }