1/*
2 * Copyright (c) 2002, 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
24import java.io.ByteArrayInputStream;
25import java.io.ByteArrayOutputStream;
26import java.io.InputStream;
27
28import javax.sound.sampled.AudioFileFormat;
29import javax.sound.sampled.AudioFormat;
30import javax.sound.sampled.AudioInputStream;
31import javax.sound.sampled.AudioSystem;
32
33/**
34 * @test
35 * @bug 4914639
36 * @summary JavaSound writes wrong sample rates to AIFF files
37 */
38public class AiffSampleRate {
39
40    private static final float[] testSampleRates =
41    {8000.0F, 8000.0F + 0.011F, 8193.975F, 10000.0F, 11025.0F, 12000.0F,
42     16000.0F, 22050.0F, 24000.0F, 32000.0F, 44100.0F - 1.22222F, 44100.0F,
43     47888.888F, 48000.0F, 96000.0F, 192000.0F};
44
45    public static void main(String[] args) throws Exception {
46        boolean isTestPassed = true;
47
48        out("#4914639: JavaSound writes wrong sample rates to AIFF files");
49        for (int i = 0; i < testSampleRates.length; i++) {
50            isTestPassed &= testSampleRate(testSampleRates[i]);
51        }
52        if (isTestPassed) {
53            out("Test PASSED.");
54        } else {
55            throw new Exception("Test FAILED.");
56        }
57    }
58
59    private static boolean testSampleRate(float sampleRate) {
60        boolean result = true;
61
62        try {
63            // create AudioInputStream with sample rate of 10000 Hz
64            ByteArrayInputStream data = new ByteArrayInputStream(new byte[1]);
65            AudioFormat format = new AudioFormat(sampleRate, 8, 1, true, true);
66            AudioInputStream stream = new AudioInputStream(data, format, 1);
67
68            // write to AIFF file
69            ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
70            AudioSystem.write(stream, AudioFileFormat.Type.AIFF, outputStream);
71            byte[] fileData = outputStream.toByteArray();
72            InputStream inputStream = new ByteArrayInputStream(fileData);
73            AudioFileFormat aff = AudioSystem.getAudioFileFormat(inputStream);
74            if (! equals(sampleRate, aff.getFormat().getFrameRate())) {
75                out("error for sample rate " + sampleRate);
76                result = false;
77            }
78        } catch (Exception e) {
79            out(e);
80            out("Test NOT FAILED");
81        }
82        return result;
83    }
84
85    private static boolean equals(float f1, float f2) {
86        return Math.abs(f2 - f1) < 1.0E-9;
87    }
88
89    private static void out(Throwable t) {
90        t.printStackTrace(System.out);
91    }
92
93    private static void out(String message) {
94        System.out.println(message);
95    }
96}
97