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/*
* Copyright (c) 2003, 2016, 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.InvalidMidiDataException;
import javax.sound.midi.MetaMessage;
import javax.sound.midi.MidiEvent;
import javax.sound.midi.Sequence;
import javax.sound.midi.ShortMessage;
import javax.sound.midi.Track;
/**
* @test
* @key sound
* @bug 4929955
* @summary Sequence.getMicrosecondLength() returns wrong value
*/
public class GetMicrosecondLength {
public static boolean failed = false;
//private static Sequencer seq = null;
public static void main(String[] args) throws Exception {
/*
try {
seq = MidiSystem.getSequencer();
} catch (Exception e) {
e.printStackTrace();
}
*/
for (int sec = 1; sec < 10; sec += 4) {
for (int tempo=0; tempo < 1000; tempo+=120) {
for (int resolution=1; resolution < 480; ) {
testSequence(sec, tempo, resolution);
if (resolution == 1) {
resolution = 120;
} else {
resolution += 120;
}
}
}
}
if (failed) throw new Exception("Test FAILED!");
out("Test Passed.");
}
/**
* Create a new Sequence for testing.
*/
private static void testSequence(int lengthInSeconds, int tempoInBPM, int resolution) {
Sequence sequence = null;
long lengthInMicroseconds = lengthInSeconds * 1000000;
boolean createTempoEvent = true;
if (tempoInBPM == 0) {
tempoInBPM = 120;
createTempoEvent = false;
System.out.print("Creating sequence: "+lengthInSeconds+"sec, "
+"resolution="+resolution+" ticks/beat...");
} else {
System.out.print("Creating sequence: "+lengthInSeconds+"sec, "
+tempoInBPM+" beats/min, "
+"resolution="+resolution+" ticks/beat...");
}
//long lengthInTicks = (lengthInMicroseconds * resolution) / tempoInBPM;
long lengthInTicks = (lengthInMicroseconds * tempoInBPM * resolution) / 60000000l;
//out("expected length in ticks: " + lengthInTicks);
try {
sequence = new Sequence(Sequence.PPQ, resolution);
Track track = sequence.createTrack();
if (createTempoEvent) {
int tempoInMPQ = (int) (60000000l / tempoInBPM);
MetaMessage tm = new MetaMessage();
byte[] msg = new byte[3];
msg[0] = (byte) (tempoInMPQ >> 16);
msg[1] = (byte) ((tempoInMPQ >> 8) & 0xFF);
msg[2] = (byte) (tempoInMPQ & 0xFF);
tm.setMessage(0x51 /* Meta Tempo */, msg, msg.length);
track.add(new MidiEvent(tm, 0));
//out("regtest: tempoInMPQ="+tempoInMPQ);
//out("Added tempo event: new size="+track.size());
}
ShortMessage mm = new ShortMessage();
mm.setMessage(0xF6, 0, 0);
MidiEvent me = new MidiEvent(mm, lengthInTicks);
track.add(me);
//out("Added realtime event: new size="+track.size());
} catch (InvalidMidiDataException e) {
out(e);
}
boolean thisFailed = false;
long actualLengthInTicks = sequence.getTickLength();
// allow +/- 5%
if (Math.abs(actualLengthInTicks - lengthInTicks) > lengthInTicks / 20) {
out("FAILED:");
out(" expected length in ticks: " + lengthInTicks);
out(" actual length in ticks : " + actualLengthInTicks);
thisFailed = true;
}
long actualLengthInUs = sequence.getMicrosecondLength();
// allow +/- 5%
if (Math.abs(actualLengthInUs - lengthInMicroseconds) > lengthInMicroseconds / 20) {
if (!thisFailed) {
out("FAILED:");
}
out(" expected length in microsecs: " + lengthInMicroseconds);
out(" actual length in microsecs : " + actualLengthInUs);
thisFailed = true;
}
if (!thisFailed) {
out("OK");
}
/*if (seq != null) {
try {
seq.setSequence(sequence);
out("Sequencer tempo="+seq.getTempoInBPM());
} catch (Exception e) {
e.printStackTrace();
}
}
*/
failed |= thisFailed;
}
private static void out(Throwable t) {
t.printStackTrace(System.out);
}
private static void out(String message) {
System.out.println(message);
}
}
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