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