package com.company.test3;
import javax.swing.JFrame;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.Toolkit;
import javax.swing.JPanel;
import java.awt.event.ActionListener;
import javax.sound.sampled.AudioInputStream;
import javax.swing.JButton;
import java.io.File;
import java.util.Vector;
import java.awt.BorderLayout;
import javax.swing.border.EmptyBorder;
import javax.swing.border.SoftBevelBorder;
import javax.swing.BoxLayout;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import javax.sound.sampled.AudioFileFormat;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.TargetDataLine;
import javax.sound.sampled.AudioSystem;
import java.io.IOException;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.LineUnavailableException;
import java.io.ByteArrayOutputStream;
import java.io.ByteArrayInputStream;
/**
* 创建一个JPanel录音文件,存放到d:\\record.wav， 可以播放
* @author admin
*
*/
public class recordFrame extends JPanel implements ActionListener
{
/**
* 注释内容
*/
private static final long serialVersionUID = 1L;
final int bufSize = 16384;
Capture capture = new Capture();
AudioInputStream audioInputStream;
JButton captB;
String fileName = "untitled";
String errStr;
double duration, seconds;
File file;
Vector lines = new Vector();
public recordFrame()
{
//界面风格设定
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.setBorder(sbb);
p1.setLayout(new BoxLayout(p1, BoxLayout.Y_AXIS));
JPanel buttonsPanel = new JPanel();
buttonsPanel.setBorder(new EmptyBorder(10, 0, 5, 0));
captB = addButton("Record", buttonsPanel, true);
p1.add(buttonsPanel);
add(p1);
}
public void open()
{
}
public void close()
{
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(captB))
{
if (captB.getText().startsWith("Record"))
{
file = null;
capture.start();
fileName = "untitled";
captB.setText("Stop");
}
else
{
lines.removeAllElements();
capture.stop();
captB.setText("Record");
}
}
}
/**
* 读取录音文件，存放到audioInputStream
* 暂时未使用。
* @param file
* @param updateComponents
*/
public void createAudioInputStream(File file, boolean updateComponents)
{
if (file != null && file.isFile())
{
try
{
this.file = file;
errStr = null;
audioInputStream = AudioSystem.getAudioInputStream(file);
fileName = file.getName();
long milliseconds = (long)((audioInputStream.getFrameLength() * 1000) /
audioInputStream.getFormat().getFrameRate());
duration = milliseconds / 1000.0;
if (updateComponents)
{
}
}
catch (Exception ex)
{
reportStatus(ex.toString());
}
}
else
{
reportStatus("Audio file required.");
}
}
/**
* 将当前录音存放到文件
* @param name
* @param fileType
*/
public void saveToFile(String name, AudioFileFormat.Type fileType)
{
if (audioInputStream == null)
{
reportStatus("No loaded audio to save");
return;
}
else if (file != null)
{
createAudioInputStream(file, false);
}
// reset to the beginnning of the captured data
try
{
audioInputStream.reset();
}
catch (Exception e)
{
reportStatus("Unable to reset stream " + e);
return;
}
File file = new File(fileName = name);
try
{
if (AudioSystem.write(audioInputStream, fileType, file) == -1)
{
throw new IOException("Problems writing to file");
}
}
catch (Exception ex)
{
reportStatus(ex.toString());
}
}
private void reportStatus(String msg)
{
if ((errStr = msg) != null)
{
System.out.println(errStr);
}
}
/**
* 录音核心模块，管理类
* @author admin
*
*/
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;
captB.setText("Record");
System.err.println(errStr);
}
}
public void run()
{
duration = 0;
audioInputStream = null;
// get an AudioInputStream of the desired format for playback
AudioFormat.Encoding encoding = AudioFormat.Encoding.PCM_SIGNED;
// define the required attributes for our line,
// and make sure a compatible line is supported.
// float rate = 44100f; 8000、11025、16000、22050、44100
// int sampleSize = 16; 8, 16
// String signedString = "signed";
// boolean bigEndian = true;
// int channels = 2;
float rate = 192000;
int sampleSize = 16;
boolean bigEndian = true;
int channels = 1;
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 an AudioInputStream of the desired format for playback
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;
}
saveToFile("d:\\record2.wav", AudioFileFormat.Type.WAVE);
}
}
public static void main(String[] args)
{
recordFrame test = new recordFrame();
test.open();
JFrame f = new JFrame("Capture");
f.addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent e)
{
System.exit(0);
}
});
f.getContentPane().add("Center", test);
f.pack();
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
int w = 720;
int h = 340;
f.setLocation(screenSize.width / 2 - w / 2, screenSize.height / 2 - h / 2);
f.setSize(w, h);
f.show();
}
}
