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/*
* Copyright 2010 Phil Burk, Mobileer Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.jsyn.examples;
import java.awt.GridLayout;
import javax.swing.BorderFactory;
import javax.swing.JApplet;
import com.jsyn.JSyn;
import com.jsyn.Synthesizer;
import com.jsyn.ports.UnitInputPort;
import com.jsyn.swing.DoubleBoundedRangeModel;
import com.jsyn.swing.JAppletFrame;
import com.jsyn.swing.PortModelFactory;
import com.jsyn.swing.RotaryTextController;
import com.jsyn.unitgen.EnvelopeDAHDSR;
import com.jsyn.unitgen.LineOut;
import com.jsyn.unitgen.SineOscillator;
import com.jsyn.unitgen.SquareOscillator;
import com.jsyn.unitgen.UnitOscillator;
/**
* Play a tone using a JSyn oscillator. Modulate the amplitude using a DAHDSR envelope.
*
* @author Phil Burk (C) 2010 Mobileer Inc
*/
public class HearDAHDSR extends JApplet {
private static final long serialVersionUID = -2704222221111608377L;
private Synthesizer synth;
private UnitOscillator osc;
// Use a square wave to trigger the envelope.
private UnitOscillator gatingOsc;
private EnvelopeDAHDSR dahdsr;
private LineOut lineOut;
@Override
public void init() {
synth = JSyn.createSynthesizer();
// Add a tone generator.
synth.add(osc = new SineOscillator());
// Add a trigger.
synth.add(gatingOsc = new SquareOscillator());
// Use an envelope to control the amplitude.
synth.add(dahdsr = new EnvelopeDAHDSR());
// Add an output mixer.
synth.add(lineOut = new LineOut());
gatingOsc.output.connect(dahdsr.input);
dahdsr.output.connect(osc.amplitude);
dahdsr.attack.setup(0.001, 0.01, 2.0);
osc.output.connect(0, lineOut.input, 0);
osc.output.connect(0, lineOut.input, 1);
gatingOsc.frequency.setup(0.001, 0.5, 10.0);
gatingOsc.frequency.setName("Rate");
osc.frequency.setup(50.0, 440.0, 2000.0);
osc.frequency.setName("Freq");
// Arrange the knob in a row.
setLayout(new GridLayout(1, 0));
setupPortKnob(osc.frequency);
setupPortKnob(gatingOsc.frequency);
setupPortKnob(dahdsr.attack);
setupPortKnob(dahdsr.hold);
setupPortKnob(dahdsr.decay);
setupPortKnob(dahdsr.sustain);
setupPortKnob(dahdsr.release);
validate();
}
private void setupPortKnob(UnitInputPort port) {
DoubleBoundedRangeModel model = PortModelFactory.createExponentialModel(port);
System.out.println("Make knob for " + port.getName() + ", model.getDV = "
+ model.getDoubleValue() + ", model.getV = " + model.getValue() + ", port.getV = "
+ port.get());
RotaryTextController knob = new RotaryTextController(model, 10);
knob.setBorder(BorderFactory.createTitledBorder(port.getName()));
knob.setTitle(port.getName());
add(knob);
}
@Override
public void start() {
// Start synthesizer using default stereo output at 44100 Hz.
synth.start();
// We only need to start the LineOut. It will pull data from the
// oscillator.
lineOut.start();
}
@Override
public void stop() {
synth.stop();
}
/* Can be run as either an application or as an applet. */
public static void main(String args[]) {
HearDAHDSR applet = new HearDAHDSR();
JAppletFrame frame = new JAppletFrame("Hear DAHDSR Envelope", applet);
frame.setSize(640, 200);
frame.setVisible(true);
frame.test();
}
}
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