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/*
* Copyright (c) 2006, 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.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import javax.sound.sampled.AudioFileFormat;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
/**
* @test
* @bug 5001952
* @summary Writing WAVE with big endian data produces corrupt file. WAVE should
* always write signed 16-bit, little endian, regardless of the
* endianness of the input data.
*/
public class WaveBigEndian {
static boolean failed = false;
public static byte[] writeDataAndGetAIS(boolean bigEndian) throws Exception {
if (bigEndian) {
out("Create WAVE file from big endian data...");
} else {
out("Create WAVE file from little endian data...");
}
byte[] data = new byte[3000];
for (int i = 0; i < data.length; i+=2) {
if (bigEndian) {
data[i] = (byte) i;
data[i+1] = (byte) (i+1);
} else {
data[i] = (byte) (i+1);
data[i+1] = (byte) i;
}
}
AudioFormat format = new AudioFormat(44100.0f, 16, 1, true, bigEndian);
InputStream is = new ByteArrayInputStream(data);
AudioInputStream ais = new AudioInputStream(is, format, data.length);
ByteArrayOutputStream os = new ByteArrayOutputStream();
int written = AudioSystem.write(ais, AudioFileFormat.Type.WAVE, os);
data = os.toByteArray();
out("Wrote "+written+" bytes, got "+data.length+" bytes in written file.");
is = new ByteArrayInputStream(data);
ais = AudioSystem.getAudioInputStream(is);
out("Got AIS with length = "+ais.getFrameLength()+" frames.");
return data;
}
public static void main(String args[]) throws Exception {
byte[] data1 = writeDataAndGetAIS(false);
byte[] data2 = writeDataAndGetAIS(true);
if (data1.length != data2.length) {
out("# data1.length != data2.length!");
failed = true;
} else {
for (int i = 0 ; i < data1.length; i++) {
if (data1[i] != data2[i]) {
out("# At index "+i+": le="+(data1[i] & 0xFF)+" be="+(data2[i] & 0xFF)+" !");
failed = true;
}
}
}
if (failed) throw new Exception("Test FAILED!");
out("Files are identical.");
out("test passed");
}
static void out(String s) {
System.out.println(s);
}
}
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