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/*
* Copyright (c) 2002, 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.MidiDevice;
import javax.sound.midi.MidiSystem;
import javax.sound.midi.MidiUnavailableException;
import javax.sound.midi.Sequencer;
/**
* @test
* @key sound
* @bug 4716740
* @summary default sequencer does not set the tempo factor
*/
public class SequencerCacheValues {
static boolean failed = false;
public static void main(String args[]) throws Exception {
Sequencer seq = null;
int totalNumberOfSequencers = 0;
MidiDevice.Info[] infos = MidiSystem.getMidiDeviceInfo();
for (int device=0; device<infos.length; device++) {
//seq = MidiSystem.getSequencer();
MidiDevice dev = MidiSystem.getMidiDevice(infos[device]);
if (dev instanceof Sequencer) {
seq = (Sequencer) dev;
totalNumberOfSequencers++;
System.out.println("Opening sequencer "+infos[device]);
try {
seq.open();
try {
doTest(seq);
} finally {
if (seq != null) {
seq.close();
seq = null;
}
}
} catch (MidiUnavailableException mue) {
System.err.println("MidiUnavailableException was thrown: " + mue);
System.err.println("could not test this sequencer.");
}
}
}
if (totalNumberOfSequencers == 0) {
System.out.println("No sequencers installed!");
failed = true;
}
if (failed) {
throw new Exception("FAILED");
} else {
System.out.println("test OK");
}
}
public static boolean equalsFloat(float f1, float f2) {
return (f1-f2<0.0001) && (f2-f1<0.0001);
}
public static void doTest(Sequencer seq) throws Exception {
seq.setTempoInMPQ(3.0f);
System.out.println("Setting tempo in MPQ to "+3.0f);
if (!equalsFloat(seq.getTempoInMPQ(), 3.0f)) {
System.err.println("getTempoInMPQ() returns wrong value : "
+ seq.getTempoInMPQ());
failed = true;
}
System.out.println("Setting tempo factor to "+2.0f);
seq.setTempoFactor(2.0f);
if (!equalsFloat(seq.getTempoFactor(), 2.0f)) {
System.err.println("getTempoFactor() returns: " + seq.getTempoFactor());
failed = true;
}
float bpmTempo = 120.0f;
System.out.println("Setting tempo to "+120.0f+"bpm");
seq.setTempoInBPM(bpmTempo);
if (!equalsFloat(seq.getTempoInMPQ(), (60000000.0f/seq.getTempoInBPM()))) {
System.err.println("getTempoInMPQ() returns: " + seq.getTempoInMPQ());
System.err.println("getTempoInBPM() returns: " + seq.getTempoInBPM());
failed = true;
}
}
}
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