1 /*
   2  * Copyright (c) 2004, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 import javax.sound.midi.MidiEvent;
  25 import javax.sound.midi.MidiMessage;
  26 import javax.sound.midi.MidiSystem;

  27 import javax.sound.midi.Receiver;
  28 import javax.sound.midi.Sequence;
  29 import javax.sound.midi.Sequencer;
  30 import javax.sound.midi.ShortMessage;
  31 import javax.sound.midi.Track;
  32 
  33 /**
  34  * @test
  35  * @bug 5048381
  36  * @summary Sequencer doesn't create distinct messages when recording events.
  37  * @key headful
  38  */
  39 public class SeqRecordDoesNotCopy {
  40     public static void main(String argv[]) throws Exception {
  41         Sequencer s = MidiSystem.getSequencer();



  42         s.open();




  43         try {
  44             Sequence seq = new Sequence(Sequence.PPQ, 384, 2);
  45             s.setSequence(seq);
  46             Track t = seq.getTracks()[0];
  47             ShortMessage msg = new ShortMessage();
  48             msg.setMessage(0x90, 0x40, 0x7F);
  49             t.add(new MidiEvent(msg, 11000));
  50             msg.setMessage(0x90, 0x40, 0x00);
  51             t.add(new MidiEvent(msg, 12000));
  52             t = seq.getTracks()[1];
  53             s.recordEnable(t, -1);
  54             System.out.println("Started recording...");
  55             s.startRecording();
  56             Receiver r = s.getReceiver();
  57             Thread.sleep(100);
  58             // send a normal message
  59             System.out.println("Recording a normal NOTE ON message...");
  60             msg.setMessage(0x90, 0x40, 0x6F);
  61             r.send(msg, -1);
  62             Thread.sleep(100);
  63             // send a normal message
  64             System.out.println("Recording a normal NOTE OFF message...");
  65             msg.setMessage(0x90, 0x40, 0x00);
  66             r.send(msg, -1);
  67             Thread.sleep(100);
  68             s.stop();
  69             // now see if the messages were recorded
  70             System.out.println("Recorded messages:");
  71             int sameMessage = 0;
  72             for (int i = 0; i < t.size(); i++) {
  73                 System.out.print(" "+(i+1)+". ");
  74                 printEvent(t.get(i));
  75                 if (t.get(i).getMessage() == msg) {
  76                     System.out.println("## Failed: Same Message reference!");
  77                     sameMessage++;
  78                 }
  79             }
  80             if (sameMessage > 0) {
  81                 System.out.println("## Failed: The same instance was recorded!");
  82                 throw new Exception("Test FAILED!");
  83             }
  84             System.out.println("Did not detect any duplicate messages.");
  85             System.out.println("Test passed.");
  86         } catch (Exception e) {
  87             System.out.println("Unexpected Exception: "+e);
  88             //e.printStackTrace();
  89             throw new Exception("Test FAILED!");
  90         } finally {
  91             s.close();
  92         }
  93     }
  94     public static void printEvent(MidiEvent event)
  95     {
  96         MidiMessage message = event.getMessage();
  97         long tick = event.getTick();
  98         byte[] data = message.getMessage();
  99 
 100         StringBuffer sb = new StringBuffer((data.length * 3) - 1);
 101 
 102         for (int i = 0; i < data.length; i++)
 103         {
 104                 sb.append(toHexByteString(data[i]));
 105                 if (i < data.length - 1) sb.append(' ');
 106         }
 107         System.out.printf("%5d: %s%n", tick, sb);
 108     }
 109 
 110     private static String toHexByteString(int n)
 111     {
 112         if (n < 0) n &= 0xFF;
 113         String s = Integer.toHexString(n).toUpperCase();
 114         if (s.length() == 1) s = '0' + s;
 115         return s;
 116     }
 117 }
--- EOF ---