import javax.sound.sampled.*;
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;
/**
* @see java录音程序
*
*
*/
public class RecordTest extends JPanel implements ActionListener {
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 RecordTest() {
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");
}
}
}
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.");
}
}
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);
}
}
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;
// int sampleSize = 16;
// String signedString = "signed";
// boolean bigEndian = true;
// int channels = 2;
float rate = 8000f;
int sampleSize = 8;
String signedString = "signed";
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("record.wav", AudioFileFormat.Type.WAVE);
}
}
public static void main(String[] args) {
RecordTest test = new RecordTest();
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 = 500;
int h = 340;
f.setLocation(screenSize.width / 2 - w / 2, screenSize.height / 2 - h
/ 2);
f.setSize(w, h);
f.show();
}
}
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import javax.sound.sampled.AudioFileFormat;
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.TargetDataLine;
public class CopyOfJDKAudioRecorder extends Thread {
// 產生TargetDataLine類別的變數m_targetdataline
static TargetDataLine m_targetdataline;
// 透過TargetDataLine介面(繼承自DataLine)與音效卡溝通 target目標
// 產生AudioFileFormat.Type類別的變數m_targetType Format格式
static AudioFileFormat.Type m_targetType;
// 產生AudioInputStream類別的變數m_audioInputStream stream流
static AudioInputStream m_audioInputStream;
static File m_outputFile;// 產生File類別的變數 m_outputFile
static ByteArrayOutputStream bos = new ByteArrayOutputStream();
static byte[] buf;
static boolean m_bRecording;// 後面需用到布林函數 True,False
public CopyOfJDKAudioRecorder(TargetDataLine line,
AudioFileFormat.Type targetType, File file) {
m_targetdataline = line;
m_audioInputStream = new AudioInputStream(line);
m_targetType = targetType;
m_outputFile = file;
}
public static void AudioRecorder() {
String Filename = "d:/JDKAudioRecord.wav ";
File outputFile = new File(Filename);
// 我們一開始先在主程式裡指定聲音檔的檔名為
// JDKAudioRecorder.wav
// String Filename = "JDKAudioRecord.wav ";
// 接著指定存檔的資料夾,預設存在相同的資料夾
// File outputFile = new File(Filename);
AudioFormat audioFormat = null;
// audioFormat = new
// AudioFormat(AudioFormat.Encoding.PCM_SIGNED,44100.0F, 16, 2, 4,
// 44100.0F, false);
audioFormat = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, 44100F,
8, 1, 1, 44100F, false);
// 再來設定和取得音效檔的屬性
// audioFormat = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED,
// 44100.0F, 16, 2, 4, 44100.0F, false);
DataLine.Info info = new DataLine.Info(TargetDataLine.class,
audioFormat);
TargetDataLine targetDataLine = null;
// 然後透過TargetDataLine介面(繼承自DataLine)與音效卡溝通
// DataLine.Info info = new DataLine.Info(TargetDataLine.class,
// audioFormat);
// 接著做例外處理,當聲音裝置出錯或其他因素導致錄音功能無法被執行時,程式將被終止
try {
targetDataLine = (TargetDataLine) AudioSystem.getLine(info);
targetDataLine.open(audioFormat);// try{ }可能發生例外的敘述
} catch (LineUnavailableException e)// catch{ }處理方法
{
System.out.println("無法錄音,錄音失敗 ");
e.printStackTrace();
System.exit(-1);
}
AudioFileFormat.Type targetType = AudioFileFormat.Type.AU;
CopyOfJDKAudioRecorder recorder = null;
recorder = new CopyOfJDKAudioRecorder(targetDataLine, targetType,
outputFile);
recorder.start();
}
public void start() {
m_targetdataline.start();
super.start();
System.out.println("recording...");
}
public static void stopRecording() {
m_targetdataline.stop();
m_targetdataline.close();
m_bRecording = false;
buf = bos.toByteArray();
System.out.println("stopped.");
}
public void run() {
try {
// AudioSystem.write(m_audioInputStream, m_targetType,
// m_outputFile);
AudioSystem.write(m_audioInputStream, m_targetType, bos);
System.out.println("after write() ");
} catch (IOException e) {
e.printStackTrace();
}
}
public static void main(String args[]) {
CopyOfJDKAudioRecorder.AudioRecorder();
}
}
