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 5001952 36 * @summary Writing WAVE with big endian data produces corrupt file. WAVE should 37 * always write signed 16-bit, little endian, regardless of the 38 * endianness of the input data. 39 */ 40 public class WaveBigEndian { 41 42 static boolean failed = false; 43 44 public static byte[] writeDataAndGetAIS(boolean bigEndian) throws Exception { 45 if (bigEndian) { 46 out("Create WAVE file from big endian data..."); 47 } else { 48 out("Create WAVE file from little endian data..."); 49 } 50 byte[] data = new byte[3000]; 51 for (int i = 0; i < data.length; i+=2) { 52 if (bigEndian) { 53 data[i] = (byte) i; 54 data[i+1] = (byte) (i+1); 55 } else { 56 data[i] = (byte) (i+1); 57 data[i+1] = (byte) i; 58 } 59 } 60 AudioFormat format = new AudioFormat(44100.0f, 16, 1, true, bigEndian); 61 InputStream is = new ByteArrayInputStream(data); 62 AudioInputStream ais = new AudioInputStream(is, format, data.length); 63 ByteArrayOutputStream os = new ByteArrayOutputStream(); 64 int written = AudioSystem.write(ais, AudioFileFormat.Type.WAVE, os); 65 data = os.toByteArray(); 66 out("Wrote "+written+" bytes, got "+data.length+" bytes in written file."); 67 is = new ByteArrayInputStream(data); 68 ais = AudioSystem.getAudioInputStream(is); 69 out("Got AIS with length = "+ais.getFrameLength()+" frames."); 70 return data; 71 } 72 73 74 public static void main(String args[]) throws Exception { 75 byte[] data1 = writeDataAndGetAIS(false); 76 byte[] data2 = writeDataAndGetAIS(true); 77 78 if (data1.length != data2.length) { 79 out("# data1.length != data2.length!"); 80 failed = true; 81 } else { 82 for (int i = 0 ; i < data1.length; i++) { 83 if (data1[i] != data2[i]) { 84 out("# At index "+i+": le="+(data1[i] & 0xFF)+" be="+(data2[i] & 0xFF)+" !"); 85 failed = true; 86 } 87 } 88 } 89 90 if (failed) throw new Exception("Test FAILED!"); 91 out("Files are identical."); 92 out("test passed"); 93 } 94 95 static void out(String s) { 96 System.out.println(s); 97 } 98 }