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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.engine;
import com.jsyn.JSyn;
import com.jsyn.Synthesizer;
import com.jsyn.devices.AudioDeviceFactory;
import com.jsyn.devices.AudioDeviceManager;
import com.jsyn.unitgen.LineIn;
import com.jsyn.unitgen.LineOut;
import org.junit.jupiter.api.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class TestDevices {
private static final Logger LOGGER = LoggerFactory.getLogger(TestDevices.class);
@Test
public void testPassThrough() {
Synthesizer synth;
LineIn lineIn;
LineOut lineOut;
// Create a context for the synthesizer.
synth = JSyn.createSynthesizer(AudioDeviceFactory.createAudioDeviceManager(true));
// Add an audio input.
synth.add(lineIn = new LineIn());
// Add an audio output.
synth.add(lineOut = new LineOut());
// Connect the input to the output.
lineIn.output.connect(0, lineOut.input, 0);
lineIn.output.connect(1, lineOut.input, 1);
// Both stereo.
int numInputChannels = 2;
int numOutputChannels = 2;
synth.start(44100, AudioDeviceManager.USE_DEFAULT_DEVICE, numInputChannels,
AudioDeviceManager.USE_DEFAULT_DEVICE, numOutputChannels);
// We only need to start the LineOut. It will pull data from the LineIn.
lineOut.start();
LOGGER.debug("Audio passthrough started.");
// Sleep a while.
double sleepTime = 2.0;
double startTime = synth.getCurrentTime();
try {
// Sleep for a few seconds.
synth.sleepUntil(startTime + sleepTime);
} catch (InterruptedException e) {
e.printStackTrace();
}
double synthTime = synth.getCurrentTime();
double actualSleepTime = synthTime - startTime;
assertEquals(sleepTime, actualSleepTime, 0.1, "Time has advanced. " + actualSleepTime);
// Stop everything.
synth.stop();
LOGGER.debug("All done.");
}
}
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