1 /* 2 * Copyright (c) 2002, 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.MidiDevice; 25 import javax.sound.midi.MidiSystem; 26 import javax.sound.midi.MidiUnavailableException; 27 import javax.sound.midi.Sequencer; 28 29 /** 30 * @test 31 * @bug 4716740 32 * @summary default sequencer does not set the tempo factor 33 */ 34 public class SequencerCacheValues { 35 36 static boolean failed = false; 37 38 public static void main(String args[]) throws Exception { 39 Sequencer seq = null; 40 int totalNumberOfSequencers = 0; 41 42 MidiDevice.Info[] infos = MidiSystem.getMidiDeviceInfo(); 43 for (int device=0; device<infos.length; device++) { 44 //seq = MidiSystem.getSequencer(); 45 MidiDevice dev = MidiSystem.getMidiDevice(infos[device]); 46 if (dev instanceof Sequencer) { 47 seq = (Sequencer) dev; 48 totalNumberOfSequencers++; 49 System.out.println("Opening sequencer "+infos[device]); 50 try { 51 seq.open(); 52 try { 53 doTest(seq); 54 } finally { 55 if (seq != null) { 56 seq.close(); 57 seq = null; 58 } 59 } 60 } catch (MidiUnavailableException mue) { 61 System.err.println("MidiUnavailableException was thrown: " + mue); 62 System.err.println("could not test this sequencer."); 63 } 64 } 65 } 66 if (totalNumberOfSequencers == 0) { 67 System.out.println("No sequencers installed!"); 68 failed = true; 69 } 70 if (failed) { 71 throw new Exception("FAILED"); 72 } else { 73 System.out.println("test OK"); 74 } 75 } 76 77 public static boolean equalsFloat(float f1, float f2) { 78 return (f1-f2<0.0001) && (f2-f1<0.0001); 79 } 80 81 public static void doTest(Sequencer seq) throws Exception { 82 seq.setTempoInMPQ(3.0f); 83 System.out.println("Setting tempo in MPQ to "+3.0f); 84 if (!equalsFloat(seq.getTempoInMPQ(), 3.0f)) { 85 System.err.println("getTempoInMPQ() returns wrong value : " 86 + seq.getTempoInMPQ()); 87 failed = true; 88 } 89 90 System.out.println("Setting tempo factor to "+2.0f); 91 seq.setTempoFactor(2.0f); 92 if (!equalsFloat(seq.getTempoFactor(), 2.0f)) { 93 System.err.println("getTempoFactor() returns: " + seq.getTempoFactor()); 94 failed = true; 95 } 96 97 float bpmTempo = 120.0f; 98 System.out.println("Setting tempo to "+120.0f+"bpm"); 99 seq.setTempoInBPM(bpmTempo); 100 if (!equalsFloat(seq.getTempoInMPQ(), (60000000.0f/seq.getTempoInBPM()))) { 101 System.err.println("getTempoInMPQ() returns: " + seq.getTempoInMPQ()); 102 System.err.println("getTempoInBPM() returns: " + seq.getTempoInBPM()); 103 failed = true; 104 } 105 } 106 }