| /* |
| * Copyright (c) 2002, 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 java.io.ByteArrayOutputStream; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| import javax.sound.sampled.AudioFormat; |
| import javax.sound.sampled.AudioInputStream; |
| import javax.sound.sampled.AudioSystem; |
| |
| /** |
| * @test |
| * @bug 4714846 |
| * @summary JavaSound ULAW (8-bit) encoder erroneously depends on endian-ness |
| */ |
| public class AlawUlaw { |
| static ByteArrayInputStream in; |
| static int byteLength = 1000; |
| |
| static boolean failed = false; |
| |
| public static void main(String[] args) throws Exception { |
| // generate some random data |
| byte[] soundData = new byte[byteLength]; |
| for (int i=0; i<soundData.length; i++) { |
| soundData[i] = (byte) ((i % 256) - 128); |
| } |
| |
| // create an AudioInputStream from it |
| in = new ByteArrayInputStream(soundData); |
| in.mark(1); |
| |
| test1(PCM_FORMAT_1, ULAW_FORMAT_1, ULAW_FORMAT_2); |
| test1(PCM_FORMAT_2, ULAW_FORMAT_1, ULAW_FORMAT_2); |
| test2(ULAW_FORMAT_1, ULAW_FORMAT_2, PCM_FORMAT_1); |
| test2(ULAW_FORMAT_1, ULAW_FORMAT_2, PCM_FORMAT_2); |
| |
| test1(PCM_FORMAT_1, ALAW_FORMAT_1, ALAW_FORMAT_2); |
| test1(PCM_FORMAT_2, ALAW_FORMAT_1, ALAW_FORMAT_2); |
| test2(ALAW_FORMAT_1, ALAW_FORMAT_2, PCM_FORMAT_1); |
| test2(ALAW_FORMAT_1, ALAW_FORMAT_2, PCM_FORMAT_2); |
| |
| if (failed) { |
| throw new Exception("Test failed!"); |
| } |
| } |
| |
| public static String printFormat(AudioFormat format) { |
| return format.toString()+" "+(format.isBigEndian()?"big":"little")+" endian"; |
| } |
| |
| |
| public static void test1(AudioFormat inFormat, AudioFormat outFormat1, AudioFormat outFormat2) throws Exception { |
| AudioInputStream inStream = new AudioInputStream(in, inFormat, -1); |
| System.out.println("Input Format: " + printFormat(inStream.getFormat())); |
| |
| // get a converted stream |
| AudioInputStream stream1 = AudioSystem.getAudioInputStream(outFormat1, inStream); |
| System.out.println("Output Format 1: " + printFormat(stream1.getFormat())); |
| |
| // get a converted stream in big endian ulaw |
| AudioInputStream stream2 = AudioSystem.getAudioInputStream(outFormat2, inStream); |
| System.out.println("Output Format 2: " + printFormat(stream2.getFormat())); |
| |
| compareStreams(stream1, stream2); |
| } |
| |
| public static void test2(AudioFormat inFormat1, AudioFormat inFormat2, AudioFormat outFormat) throws Exception { |
| AudioInputStream inStream1 = new AudioInputStream(in, inFormat1, -1); |
| System.out.println("Input Format1: " + printFormat(inStream1.getFormat())); |
| |
| // get a converted stream |
| AudioInputStream stream1 = AudioSystem.getAudioInputStream(outFormat, inStream1); |
| System.out.println("Output Format 1: " + printFormat(stream1.getFormat())); |
| |
| AudioInputStream inStream2 = new AudioInputStream(in, inFormat2, -1); |
| System.out.println("Input Format1: " + printFormat(inStream2.getFormat())); |
| |
| // get a converted stream in big endian ulaw |
| AudioInputStream stream2 = AudioSystem.getAudioInputStream(outFormat, inStream2); |
| System.out.println("Output Format 2: " + printFormat(stream2.getFormat())); |
| |
| compareStreams(stream1, stream2); |
| } |
| |
| public static void compareStreams(InputStream stream1, InputStream stream2) throws Exception { |
| ByteArrayOutputStream baos1 = new ByteArrayOutputStream(); |
| ByteArrayOutputStream baos2 = new ByteArrayOutputStream(); |
| |
| in.reset(); |
| writeDirectly(stream1, baos1); |
| in.reset(); |
| writeDirectly(stream2, baos2); |
| |
| if (baos1.size() != baos2.size()) { |
| System.out.println(" stream1 has length = "+baos1.size()+", stream2 has length = "+baos2.size()); |
| } |
| int len = baos1.size(); |
| if (len > baos2.size()) { |
| len = baos2.size(); |
| } |
| byte[] data1=baos1.toByteArray(); |
| byte[] data2=baos2.toByteArray(); |
| for (int i=0; i<len; i++) { |
| if (data1[i] != data2[i]) { |
| System.out.println(" FAILED! Difference encountered at position "+i); |
| failed = true; |
| return; |
| } |
| } |
| if (baos1.size() != baos2.size()) { |
| System.out.println(" No difference, but different length!"); |
| failed = true; |
| return; |
| } |
| System.out.println(" PASSED"); |
| } |
| |
| public static void writeDirectly(InputStream in, OutputStream out) throws Exception { |
| // read data from the stream until we reach the end of the stream |
| byte tmp[] = new byte[16384]; |
| while (true) { |
| int bytesRead = in.read(tmp, 0, tmp.length); |
| if (bytesRead == -1) { |
| break; |
| } |
| out.write(tmp, 0, bytesRead); |
| } // while |
| } |
| |
| public static final AudioFormat PCM_FORMAT_1 = |
| new AudioFormat( AudioFormat.Encoding.PCM_SIGNED, |
| 8000f, //sample rate |
| 16, //bits per sample |
| 1, //channels |
| 2, //frame size |
| 8000f, // frame rate |
| false); //isBigEndian |
| public static final AudioFormat PCM_FORMAT_2 = |
| new AudioFormat( AudioFormat.Encoding.PCM_SIGNED, |
| 8000f, //sample rate |
| 16, //bits per sample |
| 1, //channels |
| 2, //frame size |
| 8000f, // frame rate |
| true); //isBigEndian |
| |
| public static final AudioFormat ULAW_FORMAT_1 = |
| new AudioFormat( AudioFormat.Encoding.ULAW, |
| 8000f, //sample rate |
| 8, //bits per sample |
| 1, //channels |
| 1, //frame size |
| 8000f, // frame rate |
| false); //isBigEndian |
| |
| public static final AudioFormat ULAW_FORMAT_2 = |
| new AudioFormat( AudioFormat.Encoding.ULAW, |
| 8000f, //sample rate |
| 8, //bits per sample |
| 1, //channels |
| 1, //frame size |
| 8000f, // frame rate |
| true); //isBigEndian |
| |
| public static final AudioFormat ALAW_FORMAT_1 = |
| new AudioFormat( AudioFormat.Encoding.ALAW, |
| 8000f, //sample rate |
| 8, //bits per sample |
| 1, //channels |
| 1, //frame size |
| 8000f, // frame rate |
| false); //isBigEndian |
| |
| public static final AudioFormat ALAW_FORMAT_2 = |
| new AudioFormat( AudioFormat.Encoding.ALAW, |
| 8000f, //sample rate |
| 8, //bits per sample |
| 1, //channels |
| 1, //frame size |
| 8000f, // frame rate |
| true); //isBigEndian |
| } |