| /* |
| * Copyright (c) 2004, 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 java.io.PrintStream; |
| |
| import javax.sound.midi.Instrument; |
| import javax.sound.midi.MidiChannel; |
| import javax.sound.midi.MidiSystem; |
| import javax.sound.midi.MidiUnavailableException; |
| import javax.sound.midi.Soundbank; |
| import javax.sound.midi.Synthesizer; |
| |
| /** |
| * @test |
| * @bug 4987585 |
| * @summary Some MidiChannel methods are asynchronous |
| */ |
| public class AsynchronousMidiChannel { |
| static PrintStream log = System.err; |
| static PrintStream ref = System.out; |
| |
| public static void main(String args[]) { |
| doIt(args); |
| } |
| |
| public static void doIt(String args[]) { |
| Synthesizer synth = null; |
| MidiChannel mChanArr[]; |
| MidiChannel chan = null; |
| boolean failed = false; |
| int i = 0; |
| int chanNum = 0; |
| |
| int val = 1; |
| int contr = 0; |
| Soundbank sBank; |
| Instrument[] insArr; |
| Instrument instr = null; |
| Object ev = new Object(); |
| |
| try { |
| synth = MidiSystem.getSynthesizer(); |
| System.out.println("Got synth: "+synth); |
| synth.open(); |
| |
| int latency = (int) synth.getLatency(); |
| System.out.println(" -> latency: " |
| +latency |
| +" microseconds"); |
| |
| mChanArr = synth.getChannels(); |
| while ((i < mChanArr.length) && (chan == null)) { |
| chanNum = i; |
| chan = mChanArr[i++]; |
| } |
| if (chan == null) { |
| System.out.println("No channels in " |
| +"this synthesizer!"); |
| return; |
| } |
| System.out.println("Got MidiChannel: "+chan); |
| |
| |
| sBank = synth.getDefaultSoundbank(); |
| if (sBank == null) { |
| System.out.println("No default sound bank!"); |
| return; |
| } |
| |
| |
| insArr = sBank.getInstruments(); |
| for (int j = 0; j < insArr.length; j++) { |
| if (insArr[j].getPatch().getBank() == val) { |
| instr = insArr[j]; |
| synth.loadInstrument(instr); |
| } |
| } |
| if (instr == null) { |
| System.out.println("No instr. with this bank!"); |
| return; |
| } |
| |
| chan.controlChange(contr, val); |
| |
| // need to respect the synthesizer's latency |
| if (latency > 0) { |
| try { |
| Thread.sleep(latency/1000); |
| } catch (InterruptedException inEx) { |
| } |
| } |
| |
| if (chan.getController(contr) != val) { |
| failed = true; |
| System.err.println("getController() does not " |
| +"return proper value: " |
| + chan.getController(contr)); |
| } else { |
| System.out.println("getController(" |
| + contr + ") returns proper value: " |
| + chan.getController(contr)); |
| } |
| |
| } catch (MidiUnavailableException mue) { |
| System.err.println("MidiUnavailableException was " |
| +"thrown: " + mue); |
| System.out.println("could not test."); |
| return; |
| } catch(SecurityException se) { |
| se.printStackTrace(); |
| System.err.println("Sound access is not denied but " |
| + "SecurityException was thrown!"); |
| return; |
| |
| } finally { |
| if (synth != null) synth.close(); |
| } |
| |
| |
| if (failed == true) { |
| System.out.println("test failed"); |
| } else { |
| System.out.println("OKAY"); |
| } |
| return; |
| } |
| } |