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