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