84 lines
3.5 KiB
Java
84 lines
3.5 KiB
Java
/*
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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 4636355
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* @summary Check that RIFF headers are written with extra data length field.
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*/
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public class RIFFHeader {
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public static void main(String args[]) throws Exception {
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System.out.println();
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System.out.println();
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System.out.println("4636355: Check that RIFF headers are written with extra data length field.");
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byte[] fakedata=new byte[1234];
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MyByteArrayInputStream is = new MyByteArrayInputStream(fakedata);
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AudioFormat inFormat = new AudioFormat(AudioFormat.Encoding.ULAW, 8000, 8, 1, 1, 8000, true);
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AudioInputStream ais = new AudioInputStream((InputStream) is, inFormat, fakedata.length);
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ByteArrayOutputStream out = new ByteArrayOutputStream(1500);
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System.out.println(" ulaw data will be written as WAVE to stream...");
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int t = AudioSystem.write(ais, AudioFileFormat.Type.WAVE, out);
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byte[] writtenData = out.toByteArray();
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// now header must have at least 46 bytes
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System.out.println(" Length should be "+(fakedata.length+46)+" bytes: "+writtenData.length);
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// re-read this file
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is = new MyByteArrayInputStream(writtenData);
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System.out.println(" Get AudioFileFormat of written file");
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AudioFileFormat fileformat = AudioSystem.getAudioFileFormat(is);
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AudioFileFormat.Type type = fileformat.getType();
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System.out.println(" The file format type: "+type);
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if (fileformat.getFrameLength()!=fakedata.length
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&& fileformat.getFrameLength()!=AudioSystem.NOT_SPECIFIED) {
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throw new Exception("The written file's frame length is "+fileformat.getFrameLength()+" but should be "+fakedata.length+" !");
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}
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ais = AudioSystem.getAudioInputStream(is);
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System.out.println(" Got Stream with format: "+ais.getFormat());
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if (is.getPos()<46) {
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throw new Exception("After reading the header, stream position must be at least 46, but is "+is.getPos()+" !");
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}
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System.out.println(" test passed.");
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}
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static class MyByteArrayInputStream extends ByteArrayInputStream {
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MyByteArrayInputStream(byte[] data) {
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super(data);
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}
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int getPos() {
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return pos;
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}
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}
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}
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