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 }