1 /* 2 * Copyright (c) 2015, 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.IOException; 26 import java.io.InputStream; 27 28 import javax.sound.sampled.AudioSystem; 29 import javax.sound.sampled.UnsupportedAudioFileException; 30 31 /** 32 * @test 33 * @bug 8133677 34 * @summary Subsequent read from the same stream should work 35 */ 36 public final class RepeatedFormatReader { 37 38 // Stubs 39 40 private static byte[] headerMIDI = {0x4d, 0x54, 0x68, 0x64, // MThd 41 0, 0, 0, 6, // read header length 42 0, 0, // type 43 0, 0, // numtracks 44 0, 1, // timing 45 }; 46 47 private static byte[] headerAU = {0x2e, 0x73, 0x6e, 0x64, // AU_SUN_MAGIC 48 0, 0, 0, 0, // headerSize 49 0, 0, 0, 0, // dataSize 50 0, 0, 0, 1, // encoding 51 0, 0, 0, 0, // sampleRate 52 0, 0, 0, 1 // channels 53 }; 54 55 private static byte[] headerWAV = {0x52, 0x49, 0x46, 0x46, // RIFF_MAGIC 56 1, 1, 1, 1, // fileLength 57 0x57, 0x41, 0x56, 0x45, // waveMagic 58 0x66, 0x6d, 0x74, 0x20, // FMT_MAGIC 59 3, 0, 0, 0, // length 60 1, 0, // wav_type WAVE_FORMAT_PCM 61 0, 1, // channels 62 0, 0, 0, 0, // sampleRate 63 0, 0, 0, 0, // avgBytesPerSec 64 0, 0, // blockAlign 65 1, 0, // sampleSizeInBits 66 0x64, 0x61, 0x74, 0x61, // DATA_MAGIC 67 0, 0, 0, 0, // dataLength 68 }; 69 70 private static final byte[][] data = {headerMIDI, headerAU, headerWAV}; 71 72 public static void main(final String[] args) 73 throws IOException, UnsupportedAudioFileException { 74 for (final byte[] bytes : data) { 75 test(bytes); 76 } 77 } 78 79 private static void test(final byte[] buffer) 80 throws IOException, UnsupportedAudioFileException { 81 final InputStream is = new ByteArrayInputStream(buffer); 82 for (int i = 0; i < 10; ++i) { 83 AudioSystem.getAudioFileFormat(is); 84 } 85 } 86 }