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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.ports;
import java.util.ArrayList;
import com.jsyn.Synthesizer;
import com.jsyn.engine.SynthesisEngine;
import com.softsynth.shared.time.ScheduledCommand;
import com.softsynth.shared.time.TimeStamp;
/**
* Part of a multi-part port, for example, the left side of a stereo port.
*
* @author Phil Burk (C) 2009 Mobileer Inc
*/
public class PortBlockPart implements ConnectableOutput, ConnectableInput {
private double[] values = new double[Synthesizer.FRAMES_PER_BLOCK];
private ArrayList<PortBlockPart> connections = new ArrayList<PortBlockPart>();
private UnitBlockPort unitBlockPort;
protected PortBlockPart(UnitBlockPort unitBlockPort, double defaultValue) {
this.unitBlockPort = unitBlockPort;
setValue(defaultValue);
}
public double[] getValues() {
return values;
}
public double getValue() {
return values[0];
}
public double get() {
return values[0];
}
protected void setValue(double value) {
for (int i = 0; i < values.length; i++) {
values[i] = value;
}
}
protected boolean isConnected() {
return (connections.size() > 0);
}
private void addConnection(PortBlockPart otherPart) {
if (!connections.contains(otherPart)) {
connections.add(otherPart);
}
}
private void removeConnection(PortBlockPart otherPart) {
connections.remove(otherPart);
}
private void connectNow(PortBlockPart otherPart) {
addConnection(otherPart);
otherPart.addConnection(this);
}
private void disconnectNow(PortBlockPart otherPart) {
removeConnection(otherPart);
otherPart.removeConnection(this);
}
private void disconnectAllNow() {
for (PortBlockPart part : connections) {
part.removeConnection(this);
}
connections.clear();
}
public PortBlockPart getConnection(int i) {
return connections.get(i);
}
public int getConnectionCount() {
return connections.size();
}
/** Set all values to the last value. */
protected void flatten() {
double lastValue = values[values.length - 1];
for (int i = 0; i < values.length - 1; i++) {
values[i] = lastValue;
}
}
protected UnitBlockPort getPort() {
return unitBlockPort;
}
private void checkConnection(PortBlockPart destination) {
SynthesisEngine sourceSynth = unitBlockPort.getSynthesisEngine();
SynthesisEngine destSynth = destination.unitBlockPort.getSynthesisEngine();
if ((sourceSynth != destSynth) && (sourceSynth != null) && (destSynth != null)) {
throw new RuntimeException("Connection between units on different synths.");
}
}
protected void connect(final PortBlockPart destination) {
checkConnection(destination);
unitBlockPort.queueCommand(new ScheduledCommand() {
@Override
public void run() {
connectNow(destination);
}
});
}
protected void connect(final PortBlockPart destination, TimeStamp timeStamp) {
unitBlockPort.scheduleCommand(timeStamp, new ScheduledCommand() {
@Override
public void run() {
connectNow(destination);
}
});
}
protected void disconnect(final PortBlockPart destination) {
unitBlockPort.queueCommand(new ScheduledCommand() {
@Override
public void run() {
disconnectNow(destination);
}
});
}
protected void disconnect(final PortBlockPart destination, TimeStamp timeStamp) {
unitBlockPort.scheduleCommand(timeStamp, new ScheduledCommand() {
@Override
public void run() {
disconnectNow(destination);
}
});
}
protected void disconnectAll() {
unitBlockPort.queueCommand(new ScheduledCommand() {
@Override
public void run() {
disconnectAllNow();
}
});
}
@Override
public void connect(ConnectableInput other) {
connect(other.getPortBlockPart());
}
@Override
public void connect(ConnectableOutput other) {
other.connect(this);
}
@Override
public void disconnect(ConnectableOutput other) {
other.disconnect(this);
}
@Override
public void disconnect(ConnectableInput other) {
disconnect(other.getPortBlockPart());
}
/** To implement ConnectableInput */
@Override
public PortBlockPart getPortBlockPart() {
return this;
}
@Override
public void pullData(long frameCount, int start, int limit) {
for (int i = 0; i < getConnectionCount(); i++) {
PortBlockPart part = getConnection(i);
part.getPort().getUnitGenerator().pullData(frameCount, start, limit);
}
}
}
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