135 lines
4.5 KiB
Java
135 lines
4.5 KiB
Java
/*
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* Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import javax.sound.midi.Instrument;
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import javax.sound.midi.InvalidMidiDataException;
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import javax.sound.midi.MetaEventListener;
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import javax.sound.midi.MetaMessage;
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import javax.sound.midi.MidiEvent;
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import javax.sound.midi.MidiSystem;
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import javax.sound.midi.Sequence;
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import javax.sound.midi.Sequencer;
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import javax.sound.midi.ShortMessage;
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import javax.sound.midi.Track;
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/**
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* @test
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* @bug 4347135
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* @summary MIDI MetaMessage callback inconsistent
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* @key intermittent
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* @run main/othervm MetaCallback
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*/
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public class MetaCallback implements MetaEventListener {
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static ShortMessage MidiMsg3(int a, int b, int c) {
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try {
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ShortMessage msg = new ShortMessage();
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msg.setMessage((byte)a,(byte)b,(byte)c);
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return msg;
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} catch(InvalidMidiDataException ex) {
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throw new RuntimeException();
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}
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}
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//Synthesizer synth;
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Instrument[] instruments;
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Sequencer sequencer;
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Sequence sequence;
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Track track;
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public static int TOTAL_COUNT = 100;
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int metaCount = 0;
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boolean finished = false;
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MetaCallback() throws Exception {
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sequencer=MidiSystem.getSequencer();
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sequence=new Sequence(Sequence.PPQ,240);
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track=sequence.createTrack();
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sequencer.addMetaEventListener(this);
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byte[] data = new byte[1];
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track.add(new MidiEvent(MidiMsg3(ShortMessage.NOTE_ON+0,45,100),0));
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track.add(new MidiEvent(MidiMsg3(ShortMessage.NOTE_ON+0,45,0),0 + 240));
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int c;
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for(c=0; c < TOTAL_COUNT; c++) {
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data[0]=(byte)(c+1);
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MetaMessage meta = new MetaMessage();
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meta.setMessage(1, data, 1); // type, data, length
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track.add(new MidiEvent(meta,c*20));
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}
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track.add(new MidiEvent(MidiMsg3(ShortMessage.NOTE_ON+9,45,100),c*20));
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track.add(new MidiEvent(MidiMsg3(ShortMessage.NOTE_ON+9,45,0),c*20 + 10));
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sequencer.setSlaveSyncMode(Sequencer.SyncMode.INTERNAL_CLOCK);
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sequencer.setMasterSyncMode(Sequencer.SyncMode.INTERNAL_CLOCK);
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sequencer.open();
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sequencer.setSequence(sequence);
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sequencer.setTempoInBPM(100);
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System.out.println("Starting playback...");
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this.start();
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while (!finished && sequencer.getTickPosition() < sequencer.getTickLength()) {
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System.out.println("Tick "+sequencer.getTickPosition()+"...");
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Thread.sleep(1000);
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}
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System.out.println("Stopping playback...");
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this.stop();
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if (metaCount != TOTAL_COUNT) {
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throw new Exception("Expected "+TOTAL_COUNT+" callbacks, but got "+metaCount+"!");
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}
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}
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void start() {sequencer.start();}
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void stop() {sequencer.stop();}
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public void meta(MetaMessage msg) {
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System.out.println(""+metaCount+": got "+msg);
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if (msg.getType() == 0x2F) {
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finished = true;
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} else if (msg.getData().length > 0 && msg.getType() == 1) {
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metaCount++;
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}
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}
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public static void main(String[] argv) throws Exception {
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if (hasSequencer()) {
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new MetaCallback();
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System.out.println("Test passed");
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}
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}
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static boolean hasSequencer() {
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try {
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Sequencer seq = MidiSystem.getSequencer();
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if (seq != null) {
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seq.open();
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seq.close();
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return true;
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}
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} catch (Exception e) {}
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System.out.println("No sequencer available! Cannot execute test.");
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return false;
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}
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}
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