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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.UnitInputPort;
/**
* Simple stereo sample writer. Write two samples per audio frame with no interpolation. This can be
* used to record audio or to build delay lines.
*
* @see FixedRateMonoWriter
* @author Phil Burk (C) 2009 Mobileer Inc
*/
public class FixedRateStereoWriter extends SequentialDataWriter {
public FixedRateStereoWriter() {
addPort(input = new UnitInputPort(2, "Input"));
dataQueue.setNumChannels(2);
}
@Override
public void generate(int start, int limit) {
double[] input0s = input.getValues(0);
double[] input1s = input.getValues(1);
for (int i = start; i < limit; i++) {
if (dataQueue.hasMore()) {
dataQueue.beginFrame(getFramePeriod());
double value = input0s[i];
dataQueue.writeCurrentChannelDouble(0, value);
value = input1s[i];
dataQueue.writeCurrentChannelDouble(1, value);
dataQueue.endFrame();
} else {
if (dataQueue.testAndClearAutoStop()) {
autoStop();
}
}
dataQueue.firePendingCallbacks();
}
}
}
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