Exemplo n.º 1
0
  /**
   * Import a song into the MidiExporter to play or export.
   *
   * @param song The Song to convert to MIDI
   */
  public void importSong(Song song) {
    // Fetch important data from the song.
    // Meaning, metadata and the song itself.
    Beat[] beats = song.getBeatArray();
    this.song = song;

    // Create a track for each voice.
    int numVoices = song.getNumVoices();
    for (int voiceCount = 0; voiceCount < numVoices; voiceCount++) {
      sequence.createTrack();
    }

    // Iterate through each beat, adding each note to the corresponding
    // track.
    Track[] tracks = sequence.getTracks();
    for (int beat = 0; beat < beats.length; beat++) {
      Note[] firstHalf = beats[beat].getNotesFirstHalf();
      Note[] secondHalf = beats[beat].getNotesSecondHalf();
      // Iterate through each note in the beat, adding it to the
      // corresponding track.
      for (int note = 0; note < firstHalf.length; note++) {
        if (firstHalf[note] == secondHalf[note]) {
          createNote(firstHalf[note], 2 * beat, 2, tracks[note]);
        } else {
          createNote(firstHalf[note], 2 * beat, 1, tracks[note]);
          createNote(secondHalf[note], 2 * beat + 1, 1, tracks[note]);
        } // if/else
      } // for
    } // for

    try {
      setUpSequencer();
    } catch (MidiUnavailableException ex) {
      System.out.println("Unable to set up sequencer");
      // do nothing
    }
  }
Exemplo n.º 2
0
  /** Gets the default transmitter and receiver, and then links them. */
  private void linkTransmitterToReceiver() {
    try {
      // Set up the sequencer (including its tempo)
      sequencer.open();
      sequencer.setSequence(sequence);
      sequencer.setTempoInBPM(song.getBPM());

      // Get the system's default synthesizer and set that up, too.
      Synthesizer synth = MidiSystem.getSynthesizer();
      synth.open();

      // Get the receiver and transmitter to use and set those up.
      Receiver receiver = synth.getReceiver();
      Transmitter transmitter = sequencer.getTransmitter();
      transmitter.setReceiver(receiver);
    } catch (Exception ex) {
      // Something went wrong.
      ex.printStackTrace();
      System.exit(1);
    }
  }
Exemplo n.º 3
0
  public boolean equals(Object songObj) {
    if (!(songObj instanceof Song)) return false;

    Song song = (Song) songObj;
    return (artist.equals(song.getArtist()) && title.equalsIgnoreCase(song.getTitle()));
  }