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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 java.io.IOException;
import com.jsyn.io.AudioOutputStream;
import com.jsyn.ports.UnitInputPort;
/**
* Write two samples per audio frame to an AudioOutputStream as interleaved samples.
*
* Note that you must call start() on this unit because it does not have an output for pulling data.
*
* @author Phil Burk (C) 2009 Mobileer Inc
*/
public class StereoStreamWriter extends UnitStreamWriter {
public StereoStreamWriter() {
addPort(input = new UnitInputPort(2, "Input"));
}
@Override
public void generate(int start, int limit) {
double[] leftInputs = input.getValues(0);
double[] rightInputs = input.getValues(1);
AudioOutputStream output = outputStream;
if (output != null) {
try {
for (int i = start; i < limit; i++) {
output.write(leftInputs[i]);
output.write(rightInputs[i]);
}
} catch (IOException e) {
e.printStackTrace();
output = null;
}
}
}
}
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