ProcessAudio_replace_mix_mono.java revision 8729:0242fce0f717 
133965Sjdp/*
289857Sobrien * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
389857Sobrien * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
433965Sjdp *
533965Sjdp * This code is free software; you can redistribute it and/or modify it
633965Sjdp * under the terms of the GNU General Public License version 2 only, as
733965Sjdp * published by the Free Software Foundation.
833965Sjdp *
933965Sjdp * This code is distributed in the hope that it will be useful, but WITHOUT
1033965Sjdp * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1133965Sjdp * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
1233965Sjdp * version 2 for more details (a copy is included in the LICENSE file that
1333965Sjdp * accompanied this code).
1433965Sjdp *
1533965Sjdp * You should have received a copy of the GNU General Public License version
1633965Sjdp * 2 along with this work; if not, write to the Free Software Foundation,
1733965Sjdp * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1833965Sjdp *
1933965Sjdp * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20218822Sdim * or visit www.oracle.com if you need additional information or have any
2133965Sjdp * questions.
2233965Sjdp */
2389857Sobrien
2489857Sobrien/* @test
2589857Sobrien   @summary Test SoftLimiter processAudio method */
2689857Sobrien
2789857Sobrienimport javax.sound.midi.MidiUnavailableException;
2889857Sobrienimport javax.sound.midi.Patch;
2933965Sjdpimport javax.sound.sampled.*;
3033965Sjdp
31import com.sun.media.sound.*;
32
33public class ProcessAudio_replace_mix_mono {
34
35    private static void assertEquals(Object a, Object b) throws Exception
36    {
37        if(!a.equals(b))
38            throw new RuntimeException("assertEquals fails!");
39    }
40
41    private static void assertTrue(boolean value) throws Exception
42    {
43        if(!value)
44            throw new RuntimeException("assertTrue fails!");
45    }
46
47    public static void main(String[] args) throws Exception {
48        SoftSynthesizer synth = new SoftSynthesizer();
49        synth.openStream(new AudioFormat(44100, 16, 1, true, false), null);
50
51        SoftAudioBuffer in1 = new SoftAudioBuffer(250, synth.getFormat());
52        SoftAudioBuffer out1 = new SoftAudioBuffer(250, synth.getFormat());
53
54        float[] testdata1 = new float[in1.getSize()];
55        float[] n1a = in1.array();
56        float[] out1a = out1.array();
57        for (int i = 0; i < n1a.length; i++) {
58            testdata1[i] = (float)Math.sin(i*0.3)*0.9f;
59            n1a[i] = testdata1[i];
60            out1a[i] = 1;
61        }
62
63        SoftLimiter limiter = new SoftLimiter();
64        limiter.init(44100, 147);
65        limiter.setMixMode(true);
66        limiter.setInput(0, in1);
67        limiter.setOutput(0, out1);
68        limiter.processControlLogic();
69        limiter.processAudio();
70        limiter.processControlLogic();
71        limiter.processAudio();
72        // Limiter should delay audio by one buffer,
73        // and there should almost no different in output v.s. input
74        for (int i = 0; i < n1a.length; i++) {
75            if(Math.abs(out1a[i] - testdata1[i] - 1) > 0.00001)
76                throw new Exception("input != output");
77        }
78
79        synth.close();
80    }
81}
82