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 

    24 import java.io.ByteArrayInputStream;

    25 import java.io.ByteArrayOutputStream;

    26 import java.io.InputStream;

    27 

    28 import javax.sound.sampled.AudioFileFormat;

    29 import javax.sound.sampled.AudioFormat;

    30 import javax.sound.sampled.AudioInputStream;

    31 import 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  */

    38 public 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 }