This is a simple program to record sounds and play them back
/*
*
* Copyright (c) 1999 Sun Microsystems, Inc. All Rights Reserved.
*
* Sun grants you ("Licensee") a non-exclusive, royalty free,
* license to use, modify and redistribute this software in
* source and binary code form, provided that i) this copyright
* notice and license appear on all copies of the software; and
* ii) Licensee does not utilize the software in a manner
* which is disparaging to Sun.
*
* This software is provided "AS IS," without a warranty
* of any kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS
* AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE
* HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT
* WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT
* OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
* INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS
* OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY
* TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGES.
This software is not designed or intended for use in on-line
control of aircraft, air traffic, aircraft navigation or
aircraft communications; or in the design, construction,
operation or maintenance of any nuclear facility. Licensee
represents and warrants that it will not use or redistribute
the Software for such purposes.
*/
/* The above copyright statement is included because this
* program uses several methods from the JavaSoundDemo
* distributed by SUN. In some cases, the sound processing methods
* unmodified or only slightly modified.
* All other methods copyright Steve Potts, 2002
*/
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.SourceDataLine;
import javax.sound.sampled.TargetDataLine;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.border.EmptyBorder;
import javax.swing.border.SoftBevelBorder;
/**
* SimpleSoundCapture Example. This is a simple program to record sounds and
* play them back. It uses some methods from the CapturePlayback program in the
* JavaSoundDemo. For licensizing reasons the disclaimer above is included.
*
* @author Steve Potts
*/
public class SimpleSoundCapture extends JPanel implements ActionListener {
final int bufSize = 16384;
Capture capture = new Capture();
Playback playback = new Playback();
AudioInputStream audioInputStream;
JButton playB, captB;
JTextField textField;
String errStr;
double duration, seconds;
File file;
public SimpleSoundCapture() {
setLayout(new BorderLayout());
EmptyBorder eb = new EmptyBorder(5, 5, 5, 5);
SoftBevelBorder sbb = new SoftBevelBorder(SoftBevelBorder.LOWERED);
setBorder(new EmptyBorder(5, 5, 5, 5));
JPanel p1 = new JPanel();
p1.setLayout(new BoxLayout(p1, BoxLayout.X_AXIS));
JPanel p2 = new JPanel();
p2.setBorder(sbb);
p2.setLayout(new BoxLayout(p2, BoxLayout.Y_AXIS));
JPanel buttonsPanel = new JPanel();
buttonsPanel.setBorder(new EmptyBorder(10, 0, 5, 0));
playB = addButton("Play", buttonsPanel, false);
captB = addButton("Record", buttonsPanel, true);
p2.add(buttonsPanel);
p1.add(p2);
add(p1);
}
public void open() {
}
public void close() {
if (playback.thread != null) {
playB.doClick(0);
}
if (capture.thread != null) {
captB.doClick(0);
}
}
private JButton addButton(String name, JPanel p, boolean state) {
JButton b = new JButton(name);
b.addActionListener(this);
b.setEnabled(state);
p.add(b);
return b;
}
public void actionPerformed(ActionEvent e) {
Object obj = e.getSource();
if (obj.equals(playB)) {
if (playB.getText().startsWith("Play")) {
playback.start();
captB.setEnabled(false);
playB.setText("Stop");
} else {
playback.stop();
captB.setEnabled(true);
playB.setText("Play");
}
} else if (obj.equals(captB)) {
if (captB.getText().startsWith("Record")) {
capture.start();
playB.setEnabled(false);
captB.setText("Stop");
} else {
capture.stop();
playB.setEnabled(true);
}
}
}
/**
* Write data to the OutputChannel.
*/
public class Playback implements Runnable {
SourceDataLine line;
Thread thread;
public void start() {
errStr = null;
thread = new Thread(this);
thread.setName("Playback");
thread.start();
}
public void stop() {
thread = null;
}
private void shutDown(String message) {
if ((errStr = message) != null) {
System.err.println(errStr);
}
if (thread != null) {
thread = null;
captB.setEnabled(true);
playB.setText("Play");
}
}
public void run() {
// make sure we have something to play
if (audioInputStream == null) {
shutDown("No loaded audio to play back");
return;
}
// reset to the beginnning of the stream
try {
audioInputStream.reset();
} catch (Exception e) {
shutDown("Unable to reset the stream\n" + e);
return;
}
// get an AudioInputStream of the desired format for playback
AudioFormat.Encoding encoding = AudioFormat.Encoding.PCM_SIGNED;
float rate = 44100.0f;
int channels = 2;
int frameSize = 4;
int sampleSize = 16;
boolean bigEndian = true;
AudioFormat format = new AudioFormat(encoding, rate, sampleSize, channels, (sampleSize / 8)
* channels, rate, bigEndian);
AudioInputStream playbackInputStream = AudioSystem.getAudioInputStream(format,
audioInputStream);
if (playbackInputStream == null) {
shutDown("Unable to convert stream of format " + audioInputStream + " to format " + format);
return;
}
// define the required attributes for our line,
// and make sure a compatible line is supported.
DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
if (!AudioSystem.isLineSupported(info)) {
shutDown("Line matching " + info + " not supported.");
return;
}
// get and open the source data line for playback.
try {
line = (SourceDataLine) AudioSystem.getLine(info);
line.open(format, bufSize);
} catch (LineUnavailableException ex) {
shutDown("Unable to open the line: " + ex);
return;
}
// play back the captured audio data
int frameSizeInBytes = format.getFrameSize();
int bufferLengthInFrames = line.getBufferSize() / 8;
int bufferLengthInBytes = bufferLengthInFrames * frameSizeInBytes;
byte[] data = new byte[bufferLengthInBytes];
int numBytesRead = 0;
// start the source data line
line.start();
while (thread != null) {
try {
if ((numBytesRead = playbackInputStream.read(data)) == -1) {
break;
}
int numBytesRemaining = numBytesRead;
while (numBytesRemaining > 0) {
numBytesRemaining -= line.write(data, 0, numBytesRemaining);
}
} catch (Exception e) {
shutDown("Error during playback: " + e);
break;
}
}
// we reached the end of the stream.
// let the data play out, then
// stop and close the line.
if (thread != null) {
line.drain();
}
line.stop();
line.close();
line = null;
shutDown(null);
}
} // End class Playback
/**
* Reads data from the input channel and writes to the output stream
*/
class Capture implements Runnable {
TargetDataLine line;
Thread thread;
public void start() {
errStr = null;
thread = new Thread(this);
thread.setName("Capture");
thread.start();
}
public void stop() {
thread = null;
}
private void shutDown(String message) {
if ((errStr = message) != null && thread != null) {
thread = null;
playB.setEnabled(true);
captB.setText("Record");
System.err.println(errStr);
}
}
public void run() {
duration = 0;
audioInputStream = null;
// define the required attributes for our line,
// and make sure a compatible line is supported.
AudioFormat.Encoding encoding = AudioFormat.Encoding.PCM_SIGNED;
float rate = 44100.0f;
int channels = 2;
int frameSize = 4;
int sampleSize = 16;
boolean bigEndian = true;
AudioFormat format = new AudioFormat(encoding, rate, sampleSize, channels, (sampleSize / 8)
* channels, rate, bigEndian);
DataLine.Info info = new DataLine.Info(TargetDataLine.class, format);
if (!AudioSystem.isLineSupported(info)) {
shutDown("Line matching " + info + " not supported.");
return;
}
// get and open the target data line for capture.
try {
line = (TargetDataLine) AudioSystem.getLine(info);
line.open(format, line.getBufferSize());
} catch (LineUnavailableException ex) {
shutDown("Unable to open the line: " + ex);
return;
} catch (SecurityException ex) {
shutDown(ex.toString());
//JavaSound.showInfoDialog();
return;
} catch (Exception ex) {
shutDown(ex.toString());
return;
}
// play back the captured audio data
ByteArrayOutputStream out = new ByteArrayOutputStream();
int frameSizeInBytes = format.getFrameSize();
int bufferLengthInFrames = line.getBufferSize() / 8;
int bufferLengthInBytes = bufferLengthInFrames * frameSizeInBytes;
byte[] data = new byte[bufferLengthInBytes];
int numBytesRead;
line.start();
while (thread != null) {
if ((numBytesRead = line.read(data, 0, bufferLengthInBytes)) == -1) {
break;
}
out.write(data, 0, numBytesRead);
}
// we reached the end of the stream.
// stop and close the line.
line.stop();
line.close();
line = null;
// stop and close the output stream
try {
out.flush();
out.close();
} catch (IOException ex) {
ex.printStackTrace();
}
// load bytes into the audio input stream for playback
byte audioBytes[] = out.toByteArray();
ByteArrayInputStream bais = new ByteArrayInputStream(audioBytes);
audioInputStream = new AudioInputStream(bais, format, audioBytes.length / frameSizeInBytes);
long milliseconds = (long) ((audioInputStream.getFrameLength() * 1000) / format
.getFrameRate());
duration = milliseconds / 1000.0;
try {
audioInputStream.reset();
} catch (Exception ex) {
ex.printStackTrace();
return;
}
}
} // End class Capture
public static void main(String s[]) {
SimpleSoundCapture ssc = new SimpleSoundCapture();
ssc.open();
JFrame f = new JFrame("Capture/Playback");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.getContentPane().add("Center", ssc);
f.pack();
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
int w = 360;
int h = 170;
f.setLocation(screenSize.width / 2 - w / 2, screenSize.height / 2 - h / 2);
f.setSize(w, h);
f.show();
}
}
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