1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/*
* 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 junit.framework.TestCase;
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;
public class TestDevices extends TestCase {
// Test audio input and output simultaneously.
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();
System.out.println("Audio passthrough started.");
// Sleep a while.
double sleepTime = 2.0;
try {
double time = synth.getCurrentTime();
// Sleep for a few seconds.
synth.sleepUntil(time + sleepTime);
} catch (InterruptedException e) {
e.printStackTrace();
}
double synthTime = synth.getCurrentTime();
assertEquals("Time has advanced. " + synthTime, sleepTime, synthTime, 0.2);
// Stop everything.
synth.stop();
System.out.println("All done.");
}
}
|
