61 lines
2.4 KiB
Java
61 lines
2.4 KiB
Java
import javax.sound.midi.*;
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import java.io.File;
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import java.util.HashSet;
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public class Test {
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public static final int NOTE_ON = 0x90;
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public static final int NOTE_OFF = 0x80;
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public static final String[] NOTE_NAMES = {"C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "A#", "H"};
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public static void main(String[] args) throws Exception {
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Sequence sequence = MidiSystem.getSequence(new File("/home/lucas/jake-avril_14th.mid"));
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HashSet<String> notes = new HashSet<String>();
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int trackNumber = 0;
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for (Track track : sequence.getTracks()) {
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trackNumber++;
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System.out.println("Track " + trackNumber + ": size = " + track.size());
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System.out.println();
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for (int i=0; i < track.size(); i++) {
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MidiEvent event = track.get(i);
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System.out.print("@" + event.getTick() + " ");
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MidiMessage message = event.getMessage();
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if (message instanceof ShortMessage) {
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ShortMessage sm = (ShortMessage) message;
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System.out.print("Channel: " + sm.getChannel() + " ");
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if (sm.getCommand() == NOTE_ON) {
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int key = sm.getData1();
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int octave = (key / 12)-1;
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int note = key % 12;
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String noteName = NOTE_NAMES[note];
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int velocity = sm.getData2();
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System.out.println("Note on, " + noteName + octave + " key=" + key + " velocity: " + velocity);
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notes.add(noteName+octave);
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} else if (sm.getCommand() == NOTE_OFF) {
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int key = sm.getData1();
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int octave = (key / 12)-1;
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int note = key % 12;
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String noteName = NOTE_NAMES[note];
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int velocity = sm.getData2();
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System.out.println("Note off, " + noteName + octave + " key=" + key + " velocity: " + velocity);
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} else {
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System.out.println("Command:" + sm.getCommand());
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}
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} else {
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System.out.println("Other message: " + message.getClass());
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}
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}
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System.out.println();
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}
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System.out.println(notes);
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}
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} |