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/*
* Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/* @test
@summary Test SoftLimiter processAudio method
@modules java.desktop/com.sun.media.sound
*/
import javax.sound.midi.MidiUnavailableException;
import javax.sound.midi.Patch;
import javax.sound.sampled.*;
import com.sun.media.sound.*;
public class ProcessAudio_replace_mix {
private static void assertEquals(Object a, Object b) throws Exception
{
if(!a.equals(b))
throw new RuntimeException("assertEquals fails!");
}
private static void assertTrue(boolean value) throws Exception
{
if(!value)
throw new RuntimeException("assertTrue fails!");
}
public static void main(String[] args) throws Exception {
SoftSynthesizer synth = new SoftSynthesizer();
synth.openStream(null, null);
SoftAudioBuffer in1 = new SoftAudioBuffer(250, synth.getFormat());
SoftAudioBuffer in2 = new SoftAudioBuffer(250, synth.getFormat());
SoftAudioBuffer out1 = new SoftAudioBuffer(250, synth.getFormat());
SoftAudioBuffer out2 = new SoftAudioBuffer(250, synth.getFormat());
float[] testdata1 = new float[in1.getSize()];
float[] testdata2 = new float[in2.getSize()];
float[] n1a = in1.array();
float[] n2a = in2.array();
float[] out1a = out1.array();
float[] out2a = out2.array();
for (int i = 0; i < n1a.length; i++) {
testdata1[i] = (float)Math.sin(i*0.3)*0.9f;
testdata2[i] = (float)Math.sin(i*0.4)*0.9f;
n1a[i] = testdata1[i];
n2a[i] = testdata2[i];
out1a[i] = 1;
out2a[i] = 1;
}
SoftLimiter limiter = new SoftLimiter();
limiter.init(44100, 147);
limiter.setMixMode(true);
limiter.setInput(0, in1);
limiter.setInput(1, in2);
limiter.setOutput(0, out1);
limiter.setOutput(1, out2);
limiter.processControlLogic();
limiter.processAudio();
limiter.processControlLogic();
limiter.processAudio();
// Limiter should delay audio by one buffer,
// and there should almost no different in output v.s. input
for (int i = 0; i < n1a.length; i++) {
if(Math.abs(out1a[i] - testdata1[i] - 1) > 0.00001)
throw new Exception("input != output");
if(Math.abs(out2a[i] - testdata2[i] - 1) > 0.00001)
throw new Exception("input != output");
}
synth.close();
}
}
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