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/*
* Copyright (c) 2007, 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 AudioFloatInputStream read method */
import java.io.*;
import javax.sound.sampled.*;
import com.sun.media.sound.*;
public class Read {
static float[] test_float_array;
static byte[] test_byte_array;
static AudioFormat format = new AudioFormat(44100, 16, 1, true, false);
static AudioFloatInputStream getStream1()
{
return AudioFloatInputStream.getInputStream(format, test_byte_array, 0, test_byte_array.length);
}
static AudioFloatInputStream getStream2()
{
AudioInputStream strm = new AudioInputStream(new ByteArrayInputStream(test_byte_array), format, 1024);
return AudioFloatInputStream.getInputStream(strm);
}
static void setUp() throws Exception {
test_float_array = new float[1024];
test_byte_array = new byte[1024*format.getFrameSize()];
for (int i = 0; i < 1024; i++) {
double ii = i / 1024.0;
ii = ii * ii;
test_float_array[i] = (float)Math.sin(10*ii*2*Math.PI);
test_float_array[i] += (float)Math.sin(1.731 + 2*ii*2*Math.PI);
test_float_array[i] += (float)Math.sin(0.231 + 6.3*ii*2*Math.PI);
test_float_array[i] *= 0.3;
}
AudioFloatConverter.getConverter(format).toByteArray(test_float_array, test_byte_array);
}
public static void main(String[] args) throws Exception {
setUp();
for (int i = 0; i < 2; i++) {
AudioFloatInputStream stream = null;
if(i == 0) stream = getStream1();
if(i == 1) stream = getStream2();
float v = 0;
stream.skip(512);
v = stream.read();
if(!(Math.abs(v - test_float_array[512]) < 0.0001))
{
throw new RuntimeException("Read returned unexpected value.");
}
}
}
}
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