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 }