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