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/*
* Copyright 2014 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.data.Spectrum;
import com.jsyn.ports.UnitSpectralInputPort;
import com.jsyn.ports.UnitSpectralOutputPort;
/**
* This is a base class for implementing your own spectral processing units. You need to implement
* the processSpectrum() method.
*
* @author Phil Burk (C) 2014 Mobileer Inc
* @see Spectrum
*/
public abstract class SpectralProcessor extends UnitGenerator {
public UnitSpectralInputPort input;
public UnitSpectralOutputPort output;
private int counter;
/* Define Unit Ports used by connect() and set(). */
public SpectralProcessor() {
addPort(output = new UnitSpectralOutputPort());
addPort(input = new UnitSpectralInputPort());
}
/* Define Unit Ports used by connect() and set(). */
public SpectralProcessor(int size) {
addPort(output = new UnitSpectralOutputPort(size));
addPort(input = new UnitSpectralInputPort());
}
@Override
public void generate(int start, int limit) {
for (int i = start; i < limit; i++) {
if (counter == 0) {
if (input.isAvailable()) {
Spectrum inputSpectrum = input.getSpectrum();
Spectrum outputSpectrum = output.getSpectrum();
processSpectrum(inputSpectrum, outputSpectrum);
output.advance();
counter = inputSpectrum.size() - 1;
}
} else {
counter--;
}
}
}
/**
* Define this method to implement your own processor.
*
* @param inputSpectrum
* @param outputSpectrum
*/
public abstract void processSpectrum(Spectrum inputSpectrum, Spectrum outputSpectrum);
}
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