1/*
2 * Copyright (c) 2010, 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.
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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
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22 */
23
24/* @test
25 @summary Test AudioFloatInputStream.getFrameLength() returned from
26 ModelByteBufferWavetable openStream method
27 @modules java.desktop/com.sun.media.sound
28 */
29
30import java.io.ByteArrayOutputStream;
31import java.io.File;
32import java.io.FileOutputStream;
33import java.nio.file.Files;
34import java.nio.file.Paths;
35
36import javax.sound.sampled.*;
37
38import com.sun.media.sound.*;
39
40public class OpenStream {
41
42    static float[] testarray;
43
44    static byte[] test_byte_array;
45
46    static byte[] test_byte_array_8ext;
47
48    static AudioFormat format = new AudioFormat(44100, 16, 1, true, false);
49
50    static AudioFormat format24 = new AudioFormat(44100, 24, 1, true, false);
51
52    static ModelByteBuffer buffer;
53
54    static ModelByteBuffer buffer_wave;
55
56    static ModelByteBuffer buffer8;
57
58    static ModelByteBuffer buffer16_8;
59
60    static ModelByteBuffer buffer24;
61
62    static File test_file;
63
64    static ModelByteBuffer buffer_wave_ondisk;
65
66    static void setUp() throws Exception {
67        testarray = new float[1024];
68        for (int i = 0; i < 1024; i++) {
69            double ii = i / 1024.0;
70            ii = ii * ii;
71            testarray[i] = (float) Math.sin(10 * ii * 2 * Math.PI);
72            testarray[i] += (float) Math.sin(1.731 + 2 * ii * 2 * Math.PI);
73            testarray[i] += (float) Math.sin(0.231 + 6.3 * ii * 2 * Math.PI);
74            testarray[i] *= 0.3;
75        }
76        test_byte_array = new byte[testarray.length * 2];
77        AudioFloatConverter.getConverter(format).toByteArray(testarray,
78                test_byte_array);
79        buffer = new ModelByteBuffer(test_byte_array);
80
81        byte[] test_byte_array2 = new byte[testarray.length * 3];
82        buffer24 = new ModelByteBuffer(test_byte_array2);
83        test_byte_array_8ext = new byte[testarray.length];
84        byte[] test_byte_array_8_16 = new byte[testarray.length * 2];
85        AudioFloatConverter.getConverter(format24).toByteArray(testarray,
86                test_byte_array2);
87        int ix = 0;
88        int x = 0;
89        for (int i = 0; i < test_byte_array_8ext.length; i++) {
90            test_byte_array_8ext[i] = test_byte_array2[ix++];
91            test_byte_array_8_16[x++] = test_byte_array2[ix++];
92            test_byte_array_8_16[x++] = test_byte_array2[ix++];
93        }
94        buffer16_8 = new ModelByteBuffer(test_byte_array_8_16);
95        buffer8 = new ModelByteBuffer(test_byte_array_8ext);
96
97        AudioInputStream ais = new AudioInputStream(buffer.getInputStream(),
98                format, testarray.length);
99        ByteArrayOutputStream baos = new ByteArrayOutputStream();
100        AudioSystem.write(ais, AudioFileFormat.Type.WAVE, baos);
101        buffer_wave = new ModelByteBuffer(baos.toByteArray());
102
103        test_file = File.createTempFile("test", ".raw");
104        try (FileOutputStream fos = new FileOutputStream(test_file)) {
105            fos.write(baos.toByteArray());
106        }
107        buffer_wave_ondisk = new ModelByteBuffer(test_file);
108
109    }
110
111    static void tearDown() throws Exception {
112        Files.delete(Paths.get(test_file.getAbsolutePath()));
113    }
114
115    public static void testOpenStream(ModelByteBufferWavetable wavetable)
116            throws Exception {
117        AudioFloatInputStream ais = wavetable.openStream();
118        long frames = wavetable.getBuffer().capacity()
119                / wavetable.getFormat().getFrameSize();
120        long framelength = ais.getFrameLength();
121        ais.close();
122        if (frames != framelength) {
123            throw new Exception("Incorrect framelength returned (" + frames
124                    + " != " + framelength + ")");
125        }
126    }
127
128    public static void main(String[] args) throws Exception {
129
130        setUp();
131
132        try {
133            testOpenStream(new ModelByteBufferWavetable(buffer, format));
134            testOpenStream(new ModelByteBufferWavetable(buffer_wave, format));
135            testOpenStream(new ModelByteBufferWavetable(buffer_wave_ondisk,
136                    format));
137        } finally {
138            tearDown();
139        }
140
141    }
142
143}
144