1 /*
2  * Copyright (c) 2007, 2013, 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 /* @test
25    @summary Test AudioFloatInputStream getFrameLength method */
26 
27 import java.io.*;
28 
29 import javax.sound.sampled.*;
30 
31 import com.sun.media.sound.*;
32 
33 public class GetFrameLength {
34 
35     static float[] test_float_array;
36     static byte[] test_byte_array;
37     static AudioFormat format = new AudioFormat(44100, 16, 1, true, false);
38 
getStream1()39     static AudioFloatInputStream getStream1()
40     {
41         return AudioFloatInputStream.getInputStream(format, test_byte_array, 0, test_byte_array.length);
42     }
43 
getStream2()44     static AudioFloatInputStream getStream2()
45     {
46         AudioInputStream strm = new AudioInputStream(new ByteArrayInputStream(test_byte_array), format, 1024);
47         return AudioFloatInputStream.getInputStream(strm);
48     }
49 
setUp()50     static void setUp() throws Exception {
51         test_float_array = new float[1024];
52         test_byte_array = new byte[1024*format.getFrameSize()];
53         for (int i = 0; i < 1024; i++) {
54             double ii = i / 1024.0;
55             ii = ii * ii;
56             test_float_array[i] = (float)Math.sin(10*ii*2*Math.PI);
57             test_float_array[i] += (float)Math.sin(1.731 + 2*ii*2*Math.PI);
58             test_float_array[i] += (float)Math.sin(0.231 + 6.3*ii*2*Math.PI);
59             test_float_array[i] *= 0.3;
60         }
61         AudioFloatConverter.getConverter(format).toByteArray(test_float_array, test_byte_array);
62     }
63 
main(String[] args)64     public static void main(String[] args) throws Exception {
65         setUp();
66         if(getStream1().getFrameLength() != 1024L)
67             throw new RuntimeException("Incorrect frame length returned.");
68         if(getStream2().getFrameLength() != 1024L)
69             throw new RuntimeException("Incorrect frame length returned.");
70     }
71 
72 }
73