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