用JAVA录音

略经改动，作者名字忘了不好意思。

package cn.net.badboy;

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();
//	}

}