GetPitchCorrection.java revision 829:b06c29386f63 
1/*
2 * Copyright 2007 Sun Microsystems, Inc.  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.  Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26/* @test
27   @summary Test ModelByteBufferWavetable getPitchCorrect method */
28
29import java.io.ByteArrayOutputStream;
30
31import javax.sound.sampled.*;
32
33import com.sun.media.sound.*;
34
35public class GetPitchCorrection {
36
37    static float[] testarray;
38    static byte[] test_byte_array;
39    static byte[] test_byte_array_8ext;
40    static AudioFormat format = new AudioFormat(44100, 16, 1, true, false);
41    static AudioFormat format24 = new AudioFormat(44100, 24, 1, true, false);
42    static ModelByteBuffer buffer;
43    static ModelByteBuffer buffer_wave;
44    static ModelByteBuffer buffer8;
45    static ModelByteBuffer buffer16_8;
46    static ModelByteBuffer buffer24;
47
48    static void setUp() throws Exception {
49        testarray = new float[1024];
50        for (int i = 0; i < 1024; i++) {
51            double ii = i / 1024.0;
52            ii = ii * ii;
53            testarray[i] = (float)Math.sin(10*ii*2*Math.PI);
54            testarray[i] += (float)Math.sin(1.731 + 2*ii*2*Math.PI);
55            testarray[i] += (float)Math.sin(0.231 + 6.3*ii*2*Math.PI);
56            testarray[i] *= 0.3;
57        }
58        test_byte_array = new byte[testarray.length*2];
59        AudioFloatConverter.getConverter(format).toByteArray(testarray, test_byte_array);
60        buffer = new ModelByteBuffer(test_byte_array);
61
62        byte[] test_byte_array2 = new byte[testarray.length*3];
63        buffer24 = new ModelByteBuffer(test_byte_array2);
64        test_byte_array_8ext = new byte[testarray.length];
65        byte[] test_byte_array_8_16 = new byte[testarray.length*2];
66        AudioFloatConverter.getConverter(format24).toByteArray(testarray, test_byte_array2);
67        int ix = 0;
68        int x = 0;
69        for (int i = 0; i < test_byte_array_8ext.length; i++) {
70            test_byte_array_8ext[i] = test_byte_array2[ix++];
71            test_byte_array_8_16[x++] = test_byte_array2[ix++];
72            test_byte_array_8_16[x++] = test_byte_array2[ix++];
73        }
74        buffer16_8 = new ModelByteBuffer(test_byte_array_8_16);
75        buffer8 = new ModelByteBuffer(test_byte_array_8ext);
76
77        AudioInputStream ais = new AudioInputStream(buffer.getInputStream(), format, testarray.length);
78        ByteArrayOutputStream baos = new ByteArrayOutputStream();
79        AudioSystem.write(ais, AudioFileFormat.Type.WAVE, baos);
80        buffer_wave = new ModelByteBuffer(baos.toByteArray());
81    }
82
83    public static void main(String[] args) throws Exception {
84
85        setUp();
86
87        ModelByteBufferWavetable wavetable = new ModelByteBufferWavetable(buffer,format);
88        wavetable.setPitchcorrection(10f);
89        if(wavetable.getPitchcorrection() != 10f)
90            throw new RuntimeException("wavetable.getPitchcorrection() not 10!");
91        wavetable.setPitchcorrection(20f);
92        if(wavetable.getPitchcorrection() != 20f)
93            throw new RuntimeException("wavetable.getPitchcorrection() not 20!");
94
95    }
96
97}
98