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/*
* Copyright 2009 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.scope;
import java.util.ArrayList;
import java.util.concurrent.CopyOnWriteArrayList;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import com.jsyn.Synthesizer;
import com.jsyn.ports.UnitOutputPort;
import com.jsyn.scope.AudioScope.TriggerMode;
public class AudioScopeModel implements Runnable {
private static final int PRE_TRIGGER_SIZE = 32;
private Synthesizer synthesisEngine;
private ArrayList<AudioScopeProbe> probes = new ArrayList<AudioScopeProbe>();
private CopyOnWriteArrayList<ChangeListener> changeListeners = new CopyOnWriteArrayList<ChangeListener>();
private MultiChannelScopeProbeUnit probeUnit;
private double timeToArm;
private double period = 0.2;
private TriggerModel triggerModel;
public AudioScopeModel(Synthesizer synth) {
this.synthesisEngine = synth;
triggerModel = new TriggerModel();
}
public AudioScopeProbe addProbe(UnitOutputPort output, int partIndex) {
AudioScopeProbe probe = new AudioScopeProbe(this, output, partIndex);
DefaultWaveTraceModel waveTraceModel = new DefaultWaveTraceModel(this, probes.size());
probe.setWaveTraceModel(waveTraceModel);
probes.add(probe);
if (triggerModel.getSource() == null) {
triggerModel.setSource(probe);
}
return probe;
}
public void start() {
stop();
probeUnit = new MultiChannelScopeProbeUnit(probes.size(), triggerModel);
synthesisEngine.add(probeUnit);
for (int i = 0; i < probes.size(); i++) {
AudioScopeProbe probe = probes.get(i);
probe.getSource().connect(probe.getPartIndex(), probeUnit.input, i);
}
// Connect trigger signal to input of probe.
triggerModel.getSource().getSource()
.connect(triggerModel.getSource().getPartIndex(), probeUnit.trigger, 0);
probeUnit.start();
// Get synthesizer time in seconds.
timeToArm = synthesisEngine.getCurrentTime();
probeUnit.arm(timeToArm, this);
}
public void stop() {
if (probeUnit != null) {
for (int i = 0; i < probes.size(); i++) {
probeUnit.input.disconnectAll(i);
}
probeUnit.trigger.disconnectAll();
probeUnit.stop();
synthesisEngine.remove(probeUnit);
probeUnit = null;
}
}
public AudioScopeProbe[] getProbes() {
return probes.toArray(new AudioScopeProbe[0]);
}
public Synthesizer getSynthesizer() {
return synthesisEngine;
}
@Override
public void run() {
fireChangeListeners();
timeToArm = synthesisEngine.getCurrentTime();
timeToArm += period;
probeUnit.arm(timeToArm, this);
}
private void fireChangeListeners() {
ChangeEvent changeEvent = new ChangeEvent(this);
for (ChangeListener listener : changeListeners) {
listener.stateChanged(changeEvent);
}
// debug();
}
public void addChangeListener(ChangeListener changeListener) {
changeListeners.add(changeListener);
}
public void removeChangeListener(ChangeListener changeListener) {
changeListeners.remove(changeListener);
}
public void setTriggerMode(TriggerMode triggerMode) {
triggerModel.getModeModel().setSelectedItem(triggerMode);
}
public void setTriggerSource(AudioScopeProbe probe) {
triggerModel.setSource(probe);
}
public double getSample(int bufferIndex, int i) {
return probeUnit.getSample(bufferIndex, i);
}
public int getFramesPerBuffer() {
return probeUnit.getFramesPerBuffer();
}
public int getFramesCaptured() {
return probeUnit.getFramesCaptured();
}
public int getVisibleSize() {
int size = 0;
if (probeUnit != null) {
size = probeUnit.getPostTriggerSize() + PRE_TRIGGER_SIZE;
if (size > getFramesCaptured()) {
size = getFramesCaptured();
}
}
return size;
}
public int getStartIndex() {
// TODO Add pan support here.
return getFramesCaptured() - getVisibleSize();
}
public TriggerModel getTriggerModel() {
return triggerModel;
}
}
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