Java example source code file (Get.java)

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Java - Java tags/keywords

audio, audioformat, exception, get, midi, object, runtimeexception, softaudiobuffer, sound

The Get.java Java example source code

/*
 * Copyright (c) 2007, 2013, 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.
 */

/* @test
   @summary Test SoftAudioBuffer get method */

import javax.sound.midi.Patch;
import javax.sound.sampled.*;

import com.sun.media.sound.*;

public class Get {

    private static void assertEquals(Object a, Object b) throws Exception
    {
        if(!a.equals(b))
            throw new RuntimeException("assertEquals fails!");
    }

    private static void assertTrue(boolean value) throws Exception
    {
        if(!value)
            throw new RuntimeException("assertTrue fails!");
    }

    public static void main(String[] args) throws Exception {
        AudioFormat frm = new AudioFormat(8000, 16, 1, true, false);
        SoftAudioBuffer buff = new SoftAudioBuffer(100, frm);
        float[] ar = buff.array();
        for (int i = 0; i < ar.length; i++) {
            if(i % 2 == 0)
                ar[i] = 1;
            if(i % 2 == 0)
                ar[i] = -0.5f;
        }

        byte[] bbuff = new byte[ar.length*frm.getFrameSize()];
        buff.get(bbuff, 0);
        float[] ar2 = new float[ar.length];
        AudioFloatConverter.getConverter(frm).toFloatArray(bbuff, ar2);

        for (int i = 0; i < ar2.length; i++)
            if(Math.abs(ar[i] - ar2[i]) > 0.001)
                throw new Exception("conversion failure!");
    }
}