93 lines
3.2 KiB
Java
93 lines
3.2 KiB
Java
/*
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* Copyright (c) 2002, 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import javax.sound.sampled.AudioFormat;
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import javax.sound.sampled.AudioSystem;
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import javax.sound.sampled.DataLine;
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import javax.sound.sampled.LineUnavailableException;
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import javax.sound.sampled.Mixer;
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import javax.sound.sampled.SourceDataLine;
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/**
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* @test
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* @key sound
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* @bug 4661602
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* @summary Buffersize is checked when re-opening line
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*/
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public class BufferSizeCheck {
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public static void main(String[] args) throws Exception {
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boolean realTest = false;
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if (!isSoundcardInstalled()) {
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return;
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}
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try {
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out("4661602: Buffersize is checked when re-opening line");
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AudioFormat format = new AudioFormat(44100, 16, 2, true, false);
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DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
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SourceDataLine sdl = (SourceDataLine) AudioSystem.getLine(info);
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out("Opening with buffersize 12000...");
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sdl.open(format, 12000);
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out("Opening with buffersize 11000...");
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realTest=true;
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sdl.open(format, 11000);
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try {
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sdl.close();
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} catch(Throwable t) {}
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} catch (Exception e) {
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e.printStackTrace();
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// do not fail if no audio device installed - bug 4742021
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if (realTest || !(e instanceof LineUnavailableException)) {
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throw e;
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}
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}
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out("Test passed");
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}
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static void out(String s) {
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System.out.println(s); System.out.flush();
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}
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/**
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* Returns true if at least one soundcard is correctly installed
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* on the system.
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*/
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public static boolean isSoundcardInstalled() {
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boolean result = false;
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try {
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Mixer.Info[] mixers = AudioSystem.getMixerInfo();
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if (mixers.length > 0) {
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result = AudioSystem.getSourceDataLine(null) != null;
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}
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} catch (Exception e) {
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System.err.println("Exception occured: "+e);
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}
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if (!result) {
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System.err.println("Soundcard does not exist or sound drivers not installed!");
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System.err.println("This test requires sound drivers for execution.");
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}
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return result;
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}
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}
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