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/*
* Copyright 2011 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.unitgen;
import com.jsyn.ports.UnitInputPort;
import com.jsyn.ports.UnitOutputPort;
/**
* Pass the input through to the output unchanged. This is often used for distributing a signal to
* multiple ports inside a circuit. It can also be used as a summing node, in other words, a mixer.
*
* This is just like PassThrough except the input and output ports have multiple parts.
* The default is two parts, ie. stereo.
*
* @author Phil Burk (C) 2016 Mobileer Inc
* @see Circuit
* @see PassThrough
*/
public class MultiPassThrough extends UnitGenerator implements UnitSink, UnitSource {
public UnitInputPort input;
public UnitOutputPort output;
private final int mNumParts;
/* Define Unit Ports used by connect() and set(). */
public MultiPassThrough(int numParts) {
mNumParts = numParts;
addPort(input = new UnitInputPort(numParts, "Input"));
addPort(output = new UnitOutputPort(numParts, "Output"));
}
public MultiPassThrough() {
this(2); // stereo
}
@Override
public UnitInputPort getInput() {
return input;
}
@Override
public UnitOutputPort getOutput() {
return output;
}
@Override
public void generate(int start, int limit) {
for (int partIndex = 0; partIndex < mNumParts; partIndex++) {
double[] inputs = input.getValues(partIndex);
double[] outputs = output.getValues(partIndex);
for (int i = start; i < limit; i++) {
outputs[i] = inputs[i];
}
}
}
}
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