1 files changed, 157 insertions, 0 deletions
diff --git a/src/main/java/com/jsyn/scope/AudioScopeModel.java b/src/main/java/com/jsyn/scope/AudioScopeModel.java
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+++ b/src/main/java/com/jsyn/scope/AudioScopeModel.java
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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;
+    }
+
+}