| /* |
| * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.io.ByteArrayInputStream; |
| |
| import javax.sound.sampled.AudioFileFormat; |
| import javax.sound.sampled.AudioFormat; |
| import javax.sound.sampled.AudioInputStream; |
| import javax.sound.sampled.AudioSystem; |
| |
| /** |
| * @test |
| * @bug 6729836 |
| */ |
| public final class RecognizeHugeAuFiles { |
| |
| /** |
| * The size of the header's data. |
| */ |
| private static final byte AU_HEADER = 44; |
| |
| /** |
| * This value should be used if the size in bytes is unknown. |
| */ |
| private static final /* unsigned int */ long MAX_UNSIGNED_INT = 0xffffffffL; |
| |
| /** |
| * The list of supported au formats and sample size in bits per format. |
| */ |
| private static final byte[][] auTypeBits = { |
| {1, 8}, {2, 8}, {3, 16}, {4, 24}, {5, 32}, {6, 32}, {27, 8} |
| }; |
| |
| /** |
| * The list of supported sample rates(stored as unsigned int). |
| */ |
| private static final int[] sampleRates = { |
| 8000, 11025, 16000, 22050, 32000, 37800, 44056, 44100, 47250, 48000, |
| 50000, 50400, 88200, 96000, 176400, 192000, 352800, 2822400, |
| 5644800, Integer.MAX_VALUE |
| }; |
| |
| /** |
| * The list of supported channels (stored as unsigned int). |
| */ |
| private static final int[] channels = { |
| 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 |
| }; |
| |
| /** |
| * The list of supported size of data (stored as unsigned int). |
| * <p> |
| * The {@code MAX_UNSIGNED_INT} used if the size in bytes is unknown. |
| */ |
| private static final long[] dataSizes = { |
| 0, 1, 2, 3, Integer.MAX_VALUE - AU_HEADER, Integer.MAX_VALUE - 1, |
| Integer.MAX_VALUE, (long) Integer.MAX_VALUE + 1, |
| (long) Integer.MAX_VALUE + AU_HEADER, MAX_UNSIGNED_INT - AU_HEADER, |
| MAX_UNSIGNED_INT - 1, MAX_UNSIGNED_INT |
| }; |
| |
| public static void main(final String[] args) throws Exception { |
| for (final byte[] type : auTypeBits) { |
| for (final int sampleRate : sampleRates) { |
| for (final int channel : channels) { |
| for (final long dataSize : dataSizes) { |
| testAFF(type, sampleRate, channel, dataSize); |
| testAIS(type, sampleRate, channel, dataSize); |
| } |
| } |
| } |
| } |
| } |
| |
| /** |
| * Tests the {@code AudioFileFormat} fetched from the fake header. |
| * <p> |
| * Note that the frameLength and byteLength are stored as int which means |
| * that {@code AudioFileFormat} will store the data above {@code MAX_INT} |
| * as NOT_SPECIFIED. |
| */ |
| private static void testAFF(final byte[] type, final int rate, |
| final int channel, final long size) |
| throws Exception { |
| final byte[] header = createHeader(type, rate, channel, size); |
| final ByteArrayInputStream fake = new ByteArrayInputStream(header); |
| final AudioFileFormat aff = AudioSystem.getAudioFileFormat(fake); |
| final AudioFormat format = aff.getFormat(); |
| |
| if (aff.getType() != AudioFileFormat.Type.AU) { |
| throw new RuntimeException("Error"); |
| } |
| |
| final long frameLength = size / format.getFrameSize(); |
| if (size != MAX_UNSIGNED_INT && frameLength <= Integer.MAX_VALUE) { |
| if (aff.getFrameLength() != frameLength) { |
| System.err.println("Expected: " + frameLength); |
| System.err.println("Actual: " + aff.getFrameLength()); |
| throw new RuntimeException(); |
| } |
| } else { |
| if (aff.getFrameLength() != AudioSystem.NOT_SPECIFIED) { |
| System.err.println("Expected: " + AudioSystem.NOT_SPECIFIED); |
| System.err.println("Actual: " + aff.getFrameLength()); |
| throw new RuntimeException(); |
| } |
| } |
| |
| final long byteLength = size + AU_HEADER; |
| if (byteLength <= Integer.MAX_VALUE) { |
| if (aff.getByteLength() != byteLength) { |
| System.err.println("Expected: " + byteLength); |
| System.err.println("Actual: " + aff.getByteLength()); |
| throw new RuntimeException(); |
| } |
| } else { |
| if (aff.getByteLength() != AudioSystem.NOT_SPECIFIED) { |
| System.err.println("Expected: " + AudioSystem.NOT_SPECIFIED); |
| System.err.println("Actual: " + aff.getByteLength()); |
| throw new RuntimeException(); |
| } |
| } |
| validateFormat(type[1], rate, channel, aff.getFormat()); |
| } |
| |
| /** |
| * Tests the {@code AudioInputStream} fetched from the fake header. |
| * <p> |
| * Note that the frameLength is stored as long which means |
| * that {@code AudioInputStream} must store all possible data from au file. |
| */ |
| private static void testAIS(final byte[] type, final int rate, |
| final int channel, final long size) |
| throws Exception { |
| final byte[] header = createHeader(type, rate, channel, size); |
| final ByteArrayInputStream fake = new ByteArrayInputStream(header); |
| final AudioInputStream ais = AudioSystem.getAudioInputStream(fake); |
| final AudioFormat format = ais.getFormat(); |
| final long frameLength = size / format.getFrameSize(); |
| if (size != MAX_UNSIGNED_INT) { |
| if (frameLength != ais.getFrameLength()) { |
| System.err.println("Expected: " + frameLength); |
| System.err.println("Actual: " + ais.getFrameLength()); |
| throw new RuntimeException(); |
| } |
| } else { |
| if (ais.getFrameLength() != AudioSystem.NOT_SPECIFIED) { |
| System.err.println("Expected: " + AudioSystem.NOT_SPECIFIED); |
| System.err.println("Actual: " + ais.getFrameLength()); |
| throw new RuntimeException(); |
| } |
| } |
| if (ais.available() < 0) { |
| System.err.println("available should be >=0: " + ais.available()); |
| throw new RuntimeException(); |
| } |
| validateFormat(type[1], rate, channel, format); |
| } |
| |
| /** |
| * Tests that format contains the same data as were provided to the fake |
| * stream. |
| */ |
| private static void validateFormat(final byte bits, final int rate, |
| final int channel, |
| final AudioFormat format) { |
| |
| if (Float.compare(format.getSampleRate(), rate) != 0) { |
| System.out.println("Expected: " + rate); |
| System.out.println("Actual: " + format.getSampleRate()); |
| throw new RuntimeException(); |
| } |
| if (format.getChannels() != channel) { |
| System.out.println("Expected: " + channel); |
| System.out.println("Actual: " + format.getChannels()); |
| throw new RuntimeException(); |
| } |
| int frameSize = ((bits + 7) / 8) * channel; |
| if (format.getFrameSize() != frameSize) { |
| System.out.println("Expected: " + frameSize); |
| System.out.println("Actual: " + format.getFrameSize()); |
| throw new RuntimeException(); |
| } |
| } |
| |
| /** |
| * Creates the custom header of the AU file. It is expected that all passed |
| * data are supported. |
| */ |
| private static byte[] createHeader(final byte[] type, final int rate, |
| final int channel, final long size) { |
| return new byte[]{ |
| // AU_SUN_MAGIC |
| 0x2e, 0x73, 0x6e, 0x64, |
| // headerSize |
| 0, 0, 0, AU_HEADER, |
| // dataSize |
| (byte) (size >> 24), (byte) (size >> 16), (byte) (size >> 8), |
| (byte) size, |
| // encoding |
| 0, 0, 0, type[0], |
| // sampleRate |
| (byte) (rate >> 24), (byte) (rate >> 16), (byte) (rate >> 8), |
| (byte) (rate), |
| // channels |
| (byte) (channel >> 24), (byte) (channel >> 16), |
| (byte) (channel >> 8), (byte) (channel), |
| // data |
| 0, 0, 0, 0, 0, 0 |
| }; |
| } |
| } |