package audioencoding;
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
/*
* EncoderInterface.java
*
* Created on Mar 6, 2011, 8:31:05 AM
*/
import java.awt.BasicStroke;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.font.FontRenderContext;
import java.awt.font.LineBreakMeasurer;
import java.awt.font.TextAttribute;
import java.awt.font.TextLayout;
import java.awt.geom.Line2D;
import javax.swing.JPanel;
import javax.swing.JFileChooser;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.text.AttributedCharacterIterator;
import java.text.AttributedString;
import java.util.Vector;
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 sun.audio.*;
public class EncoderInterface extends javax.swing.JFrame {
//AUDIO files for play
InputStream in = null;
AudioStream as = null;
final int bufSize = 16384;
Capture capture = new Capture();
Playback playback = new Playback();
AudioInputStream audioInputStream;
SamplingGraph samplingGraph;
String fileName = "untitled";
String errStr;
double duration, seconds;
File file;
Vector lines = new Vector();
/** Creates new form EncoderInterface */
public EncoderInterface() {
initComponents();
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
RecordButton = new javax.swing.JButton();
LoadButton = new javax.swing.JButton();
EncodeButton = new javax.swing.JButton();
DecodeButton = new javax.swing.JButton();
OutputPlayButton = new javax.swing.JButton();
InputPlayButton = new javax.swing.JButton();
samplingPanel = new javax.swing.JPanel();
OutputPanel = new javax.swing.JPanel();
samplingPanel.add(samplingGraph = new SamplingGraph());
jSeparator1 = new javax.swing.JSeparator();
jSeparator2 = new javax.swing.JSeparator();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setTitle("Audio Encoding");
RecordButton.setText("Record");
RecordButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
RecordButtonActionPerformed(evt);
}
});
LoadButton.setText("Load");
LoadButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
LoadButtonActionPerformed(evt);
}
});
EncodeButton.setText("Encode");
EncodeButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
EncodeButtonActionPerformed(evt);
}
});
DecodeButton.setText("Decode");
DecodeButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
DecodeButtonActionPerformed(evt);
}
});
OutputPlayButton.setText("Play");
OutputPlayButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
OutputPlayButtonActionPerformed(evt);
}
});
InputPlayButton.setText("Play");
InputPlayButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
InputPlayButtonActionPerformed(evt);
}
});
samplingPanel.setBackground(new java.awt.Color(0, 0, 0));
samplingPanel.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(0, 0, 0)));
samplingPanel.add(samplingGraph = new SamplingGraph());
javax.swing.GroupLayout samplingPanelLayout = new javax.swing.GroupLayout(samplingPanel);
samplingPanel.setLayout(samplingPanelLayout);
samplingPanelLayout.setHorizontalGroup(
samplingPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 431, Short.MAX_VALUE)
);
samplingPanelLayout.setVerticalGroup(
samplingPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 97, Short.MAX_VALUE)
);
OutputPanel.setBackground(new java.awt.Color(255, 255, 255));
OutputPanel.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(0, 0, 0)));
javax.swing.GroupLayout OutputPanelLayout = new javax.swing.GroupLayout(OutputPanel);
OutputPanel.setLayout(OutputPanelLayout);
OutputPanelLayout.setHorizontalGroup(
OutputPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 431, Short.MAX_VALUE)
);
OutputPanelLayout.setVerticalGroup(
OutputPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 100, Short.MAX_VALUE)
);
jSeparator1.setAlignmentX(0);
jSeparator1.setAlignmentY(0);
jSeparator2.setOrientation(javax.swing.SwingConstants.VERTICAL);
jSeparator2.setAlignmentX(0.0F);
jSeparator2.setAlignmentY(0.0F);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(33, 33, 33)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(DecodeButton)
.addComponent(EncodeButton)))
.addGroup(layout.createSequentialGroup()
.addGap(32, 32, 32)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(LoadButton, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(RecordButton, javax.swing.GroupLayout.Alignment.TRAILING))))
.addGap(21, 21, 21)
.addComponent(jSeparator2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(OutputPanel, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(samplingPanel, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGroup(layout.createSequentialGroup()
.addGap(170, 170, 170)
.addComponent(InputPlayButton, javax.swing.GroupLayout.PREFERRED_SIZE, 78, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addGap(172, 172, 172)
.addComponent(OutputPlayButton, javax.swing.GroupLayout.PREFERRED_SIZE, 78, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap())
.addComponent(jSeparator1, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, 574, Short.MAX_VALUE)
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(16, 16, 16)
.addComponent(samplingPanel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addGap(36, 36, 36)
.addComponent(RecordButton)
.addGap(18, 18, 18)
.addComponent(LoadButton)))
.addGap(18, 18, 18)
.addComponent(InputPlayButton)
.addGap(18, 18, 18)
.addComponent(jSeparator1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(18, 18, 18)
.addComponent(OutputPanel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addGap(40, 40, 40)
.addComponent(EncodeButton)
.addGap(18, 18, 18)
.addComponent(DecodeButton)))
.addGap(18, 18, 18)
.addComponent(OutputPlayButton))
.addComponent(jSeparator2, javax.swing.GroupLayout.PREFERRED_SIZE, 349, javax.swing.GroupLayout.PREFERRED_SIZE))
.addContainerGap())
);
pack();
}// </editor-fold>
private void LoadButtonActionPerformed(java.awt.event.ActionEvent evt) {
if (LoadButton.getText().startsWith("Load")) {
try {
//File file = new File(System.getProperty("user.dir"));
JFileChooser fc = new JFileChooser(file);
fc.setFileFilter(new javax.swing.filechooser.FileFilter () {
public boolean accept(File f) {
if (f.isDirectory()) {
return true;
}
String name = f.getName();
if (name.endsWith(".au") || name.endsWith(".wav") || name.endsWith(".aiff") || name.endsWith(".aif")) {
return true;
}
return false;
}
public String getDescription() {
return ".au, .wav, .aif";
}
});
if (fc.showOpenDialog(null) == JFileChooser.APPROVE_OPTION) {
createAudioInputStream(fc.getSelectedFile(), true);
}
} catch (SecurityException ex) {
//JavaSound.showInfoDialog();
ex.printStackTrace();
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
private void InputPlayButtonActionPerformed(java.awt.event.ActionEvent evt) {
if (InputPlayButton.getText().startsWith("Play")) {
playback.start();
samplingGraph.start();
RecordButton.setEnabled(false);
OutputPlayButton.setEnabled(false);
LoadButton.setEnabled(false);
EncodeButton.setEnabled(false);
DecodeButton.setEnabled(false);
InputPlayButton.setText("Stop");
} else {
playback.stop();
samplingGraph.stop();
RecordButton.setEnabled(true);
OutputPlayButton.setEnabled(true);
LoadButton.setEnabled(true);
EncodeButton.setEnabled(true);
DecodeButton.setEnabled(true);
InputPlayButton.setText("Play");
}
}
private void OutputPlayButtonActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
private void RecordButtonActionPerformed(java.awt.event.ActionEvent evt) {
if (RecordButton.getText().startsWith("Record")) {
file = null;
capture.start();
fileName = "untitled";
samplingGraph.start();
LoadButton.setEnabled(false);
InputPlayButton.setEnabled(false);
OutputPlayButton.setEnabled(false);
EncodeButton.setEnabled(false);
DecodeButton.setEnabled(false);
RecordButton.setText("Stop");
} else {
lines.removeAllElements();
capture.stop();
samplingGraph.stop();
LoadButton.setEnabled(true);
InputPlayButton.setEnabled(true);
OutputPlayButton.setEnabled(true);
EncodeButton.setEnabled(true);
DecodeButton.setEnabled(true);
RecordButton.setText("Record");
}
}
private void EncodeButtonActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
private void DecodeButtonActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
public void open() { }
public void close() {
if (playback.thread != null) {
InputPlayButton.doClick(0);
}
if (capture.thread != null) {
RecordButton.doClick(0);
}
}
public void createAudioInputStream(File file, boolean updateComponents) {
if (file != null && file.isFile()) {
try {
this.file = file;
errStr = null;
audioInputStream = AudioSystem.getAudioInputStream(file);
InputPlayButton.setEnabled(true);
fileName = file.getName();
long milliseconds = (long)((audioInputStream.getFrameLength() * 1000) / audioInputStream.getFormat().getFrameRate());
duration = milliseconds / 1000.0;
if (updateComponents) {
samplingGraph.createWaveForm(null);
}
} catch (Exception ex) {
reportStatus(ex.toString());
}
} else {
reportStatus("Audio file required.");
}
}
private void reportStatus(String msg) {
if ((errStr = msg) != null) {
System.out.println(errStr);
samplingGraph.repaint();
}
}
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;
samplingGraph.stop();
LoadButton.setEnabled(true);
InputPlayButton.setEnabled(true);
RecordButton.setText("Record");
System.err.println(errStr);
samplingGraph.repaint();
}
}
public void run() {
duration = 0;
audioInputStream = null;
// define the required attributes for our line,
// and make sure a compatible line is supported.
AudioFormat format = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, 44100, 16, 2, 4, 44100, true);
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());
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;
}
samplingGraph.createWaveForm(audioBytes);
}
} // End class Capture
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);
samplingGraph.repaint();
}
if (thread != null) {
thread = null;
samplingGraph.stop();
RecordButton.setEnabled(true);
OutputPlayButton.setEnabled(true);
LoadButton.setEnabled(true);
EncodeButton.setEnabled(true);
DecodeButton.setEnabled(true);
InputPlayButton.setText("Play");
}
}
public void run() {
// reload the file if loaded by file
if (file != null) {
createAudioInputStream(file, false);
audioInputStream.mark(9999999);
}
// make sure we have something to play
if (audioInputStream == null) {
shutDown("No loaded audio to play back");
return;
}
// get an AudioInputStream of the desired format for playback
AudioFormat format = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, 44100, 16, 2, 4, 44100, true);
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
class SamplingGraph extends JPanel implements Runnable {
private Thread thread;
private Font font10 = new Font("serif", Font.PLAIN, 10);
private Font font12 = new Font("serif", Font.PLAIN, 12);
Color jfcBlue = new Color(204, 204, 255);
Color pink = new Color(255, 175, 175);
public SamplingGraph() {
setBackground(new Color(20, 20, 20));
}
public void createWaveForm(byte[] audioBytes) {
lines.removeAllElements(); // clear the old vector
AudioFormat format = audioInputStream.getFormat();
if (audioBytes == null) {
try {
audioBytes = new byte[
(int) (audioInputStream.getFrameLength()
* format.getFrameSize())];
audioInputStream.read(audioBytes);
} catch (Exception ex) {
reportStatus(ex.toString());
return;
}
}
Dimension d = getSize();
int w = d.width;
int h = d.height-15;
int[] audioData = null;
if (format.getSampleSizeInBits() == 16) {
int nlengthInSamples = audioBytes.length / 2;
audioData = new int[nlengthInSamples];
if (format.isBigEndian()) {
for (int i = 0; i < nlengthInSamples; i++) {
/* First byte is MSB (high order) */
int MSB = (int) audioBytes[2*i];
/* Second byte is LSB (low order) */
int LSB = (int) audioBytes[2*i+1];
audioData[i] = MSB << 8 | (255 & LSB);
}
} else {
for (int i = 0; i < nlengthInSamples; i++) {
/* First byte is LSB (low order) */
int LSB = (int) audioBytes[2*i];
/* Second byte is MSB (high order) */
int MSB = (int) audioBytes[2*i+1];
audioData[i] = MSB << 8 | (255 & LSB);
}
}
} else if (format.getSampleSizeInBits() == 8) {
int nlengthInSamples = audioBytes.length;
audioData = new int[nlengthInSamples];
if (format.getEncoding().toString().startsWith("PCM_SIGN")) {
for (int i = 0; i < audioBytes.length; i++) {
audioData[i] = audioBytes[i];
}
} else {
for (int i = 0; i < audioBytes.length; i++) {
audioData[i] = audioBytes[i] - 128;
}
}
}
int frames_per_pixel = audioBytes.length / format.getFrameSize()/w;
byte my_byte = 0;
double y_last = 0;
int numChannels = format.getChannels();
for (double x = 0; x < w && audioData != null; x++) {
int idx = (int) (frames_per_pixel * numChannels * x);
if (format.getSampleSizeInBits() == 8) {
my_byte = (byte) audioData[idx];
} else {
my_byte = (byte) (128 * audioData[idx] / 32768 );
}
double y_new = (double) (h * (128 - my_byte) / 256);
lines.add(new Line2D.Double(x, y_last, x, y_new));
y_last = y_new;
}
repaint();
}
public void paint(Graphics g) {
Dimension d = getSize();
int w = d.width;
int h = d.height;
int INFOPAD = 15;
Graphics2D g2 = (Graphics2D) g;
g2.setBackground(getBackground());
g2.clearRect(0, 0, w, h);
g2.setColor(Color.white);
g2.fillRect(0, h-INFOPAD, w, INFOPAD);
if (errStr != null) {
g2.setColor(jfcBlue);
g2.setFont(new Font("serif", Font.BOLD, 18));
g2.drawString("ERROR", 5, 20);
AttributedString as = new AttributedString(errStr);
as.addAttribute(TextAttribute.FONT, font12, 0, errStr.length());
AttributedCharacterIterator aci = as.getIterator();
FontRenderContext frc = g2.getFontRenderContext();
LineBreakMeasurer lbm = new LineBreakMeasurer(aci, frc);
float x = 5, y = 25;
lbm.setPosition(0);
while (lbm.getPosition() < errStr.length()) {
TextLayout tl = lbm.nextLayout(w-x-5);
if (!tl.isLeftToRight()) {
x = w - tl.getAdvance();
}
tl.draw(g2, x, y += tl.getAscent());
y += tl.getDescent() + tl.getLeading();
}
} else if (capture.thread != null) {
g2.setColor(Color.black);
g2.setFont(font12);
g2.drawString("Length: " + String.valueOf(seconds), 3, h-4);
} else {
g2.setColor(Color.black);
g2.setFont(font12);
g2.drawString("File: " + fileName + " Length: " + String.valueOf(duration) + " Position: " + String.valueOf(seconds), 3, h-4);
if (audioInputStream != null) {
// .. render sampling graph ..
g2.setColor(jfcBlue);
for (int i = 1; i < lines.size(); i++) {
g2.draw((Line2D) lines.get(i));
}
// .. draw current position ..
if (seconds != 0) {
double loc = seconds/duration*w;
g2.setColor(pink);
g2.setStroke(new BasicStroke(3));
g2.draw(new Line2D.Double(loc, 0, loc, h-INFOPAD-2));
}
}
}
}
public void start() {
thread = new Thread(this);
thread.setName("SamplingGraph");
thread.start();
seconds = 0;
}
public void stop() {
if (thread != null) {
thread.interrupt();
}
thread = null;
}
public void run() {
seconds = 0;
while (thread != null) {
if ((playback.line != null) && (playback.line.isOpen()) ) {
long milliseconds = (long)(playback.line.getMicrosecondPosition() / 1000);
seconds = milliseconds / 1000.0;
} else if ( (capture.line != null) && (capture.line.isActive()) ) {
long milliseconds = (long)(capture.line.getMicrosecondPosition() / 1000);
seconds = milliseconds / 1000.0;
}
try { thread.sleep(100); } catch (Exception e) { break; }
repaint();
while ((capture.line != null && !capture.line.isActive()) ||
(playback.line != null && !playback.line.isOpen()))
{
try { thread.sleep(10); } catch (Exception e) { break; }
}
}
seconds = 0;
repaint();
}
} // End class SamplingGraph
public static void main(String s[]) {
EncoderInterface capturePlayback = new EncoderInterface();
capturePlayback.open();
capturePlayback.setVisible(true);
}
/**
* @param args the command line arguments
*/
// Variables declaration - do not modify
private javax.swing.JButton DecodeButton;
private javax.swing.JButton EncodeButton;
private javax.swing.JButton InputPlayButton;
private javax.swing.JButton LoadButton;
public javax.swing.JPanel OutputPanel;
private javax.swing.JButton OutputPlayButton;
private javax.swing.JButton RecordButton;
private javax.swing.JSeparator jSeparator1;
private javax.swing.JSeparator jSeparator2;
public javax.swing.JPanel samplingPanel;
// End of variables declaration
}
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