/*

 * 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.sampled.AudioFormat;

import javax.sound.sampled.AudioSystem;

import javax.sound.sampled.DataLine;

import javax.sound.sampled.LineUnavailableException;

import javax.sound.sampled.Mixer;

import javax.sound.sampled.SourceDataLine;

/**

 * @test

 * @bug 4661602

 * @summary Buffersize is checked when re-opening line

 */

public class BufferSizeCheck {

    public static void main(String[] args) throws Exception {

        boolean realTest = false;

        if (!isSoundcardInstalled()) {

            return;

        }

        try {

            out("4661602: Buffersize is checked when re-opening line");

            AudioFormat format = new AudioFormat(44100, 16, 2, true, false);

            DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);

            SourceDataLine sdl = (SourceDataLine) AudioSystem.getLine(info);

            out("Opening with buffersize 12000...");

            sdl.open(format, 12000);

            out("Opening with buffersize 11000...");

            realTest=true;

            sdl.open(format, 11000);

            try {

                sdl.close();

            } catch(Throwable t) {}

        } catch (Exception e) {

            e.printStackTrace();

            // do not fail if no audio device installed - bug 4742021

            if (realTest || !(e instanceof LineUnavailableException)) {

                throw e;

            }

        }

        out("Test passed");

    }

    static void out(String s) {

        System.out.println(s); System.out.flush();

    }

    /**

     * Returns true if at least one soundcard is correctly installed

     * on the system.

     */

    public static boolean isSoundcardInstalled() {

        boolean result = false;

        try {

            Mixer.Info[] mixers = AudioSystem.getMixerInfo();

            if (mixers.length > 0) {

                result = AudioSystem.getSourceDataLine(null) != null;

            }

        } catch (Exception e) {

            System.err.println("Exception occured: "+e);

        }

        if (!result) {

            System.err.println("Soundcard does not exist or sound drivers not installed!");

            System.err.println("This test requires sound drivers for execution.");

        }

        return result;

    }

}