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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.unitgen;
import com.jsyn.ports.UnitOutputPort;
/**
* Provides access to one specific channel of the audio input. For ChannelIn to work you must call
* the {@link com.jsyn.Synthesizer} start() method with numInputChannels > 0.
*
* @author Phil Burk (C) 2009 Mobileer Inc
* @see ChannelOut
* @see LineIn
*/
public class ChannelIn extends UnitGenerator {
public UnitOutputPort output;
private int channelIndex;
public ChannelIn() {
this(0);
}
public ChannelIn(int channelIndex) {
addPort(output = new UnitOutputPort());
setChannelIndex(channelIndex);
}
public int getChannelIndex() {
return channelIndex;
}
public void setChannelIndex(int channelIndex) {
this.channelIndex = channelIndex;
}
@Override
public void generate(int start, int limit) {
double[] outputs = output.getValues(0);
double[] buffer = synthesisEngine.getInputBuffer(channelIndex);
for (int i = start; i < limit; i++) {
outputs[i] = buffer[i];
}
}
}
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