1/*
2 * Copyright (c) 2006, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24import java.io.ByteArrayInputStream;
25import java.io.ByteArrayOutputStream;
26import java.io.InputStream;
27
28import javax.sound.sampled.AudioFileFormat;
29import javax.sound.sampled.AudioFormat;
30import javax.sound.sampled.AudioInputStream;
31import javax.sound.sampled.AudioSystem;
32
33/**
34 * @test
35 * @bug 4636355
36 * @summary Check that RIFF headers are written with extra data length field.
37 */
38public class RIFFHeader {
39
40    public static void main(String args[]) throws Exception {
41        System.out.println();
42        System.out.println();
43        System.out.println("4636355: Check that RIFF headers are written with extra data length field.");
44        byte[] fakedata=new byte[1234];
45        MyByteArrayInputStream is = new MyByteArrayInputStream(fakedata);
46        AudioFormat inFormat = new AudioFormat(AudioFormat.Encoding.ULAW, 8000, 8, 1, 1, 8000, true);
47
48        AudioInputStream ais = new AudioInputStream((InputStream) is, inFormat, fakedata.length);
49        ByteArrayOutputStream out = new ByteArrayOutputStream(1500);
50        System.out.println("  ulaw data will be written as WAVE to stream...");
51        int t = AudioSystem.write(ais, AudioFileFormat.Type.WAVE, out);
52        byte[] writtenData = out.toByteArray();
53        // now header must have at least 46 bytes
54        System.out.println("  Length should be "+(fakedata.length+46)+" bytes: "+writtenData.length);
55        // re-read this file
56        is = new MyByteArrayInputStream(writtenData);
57        System.out.println("  Get AudioFileFormat of written file");
58        AudioFileFormat fileformat = AudioSystem.getAudioFileFormat(is);
59        AudioFileFormat.Type type = fileformat.getType();
60        System.out.println("  The file format type: "+type);
61        if (fileformat.getFrameLength()!=fakedata.length
62            && fileformat.getFrameLength()!=AudioSystem.NOT_SPECIFIED) {
63            throw new Exception("The written file's frame length is "+fileformat.getFrameLength()+" but should be "+fakedata.length+" !");
64        }
65        ais = AudioSystem.getAudioInputStream(is);
66        System.out.println("  Got Stream with format: "+ais.getFormat());
67        if (is.getPos()<46) {
68            throw new Exception("After reading the header, stream position must be at least 46, but is "+is.getPos()+" !");
69        }
70        System.out.println("  test passed.");
71    }
72
73    static class MyByteArrayInputStream extends ByteArrayInputStream {
74
75        MyByteArrayInputStream(byte[] data) {
76            super(data);
77        }
78
79        int getPos() {
80            return pos;
81        }
82    }
83}
84