//音頻捕獲部分，
//Capture.java
import?java.io.*;?
import?javax.sound.sampled.*;?
import?java.net.*;?

/**?
*?title:????????VoiceChat?
*?Description:??音頻捕捉（錄音程序）?
*?Copyright:????Copyright?（c）?2001?
*?Company:?
*?@author????????
*?@version?1.0?
*/?

class?Capture?implements?Runnable?{?

???????TargetDataLine?line;?
???????Thread?thread;?
???????Socket?s;?
???????BufferedOutputStream?captrueOutputStream;?

???????Capture（Socket?s）{//構(gòu)造器?取得socket以獲得網(wǎng)絡(luò)輸出流?
?????????this.s=s;?
???????}?

???????public?void?start（）?{?

???????????thread?=?new?Thread（this）;?
???????????thread.setName（“Capture“）;?
???????????thread.start（）;?
???????}?

???????public?void?stop（）?{?
???????????thread?=?null;?
???????}?

???????public?void?run（）?{?

???????????try?{?
?????????????captrueOutputStream=new?BufferedOutputStream（s.getOutputStream（））;//建立輸出流?此處可以加套壓縮流用來壓縮數(shù)據(jù)?
???????????}?
???????????catch?（IOException?ex）?{?
???????????????return;?
???????????}?

???????????AudioFormat?format?=new?AudioFormat（8000162truetrue）;//AudioFormat（float?sampleRate?int?sampleSizeInBits?int?channels?boolean?signed?boolean?bigEndian）?
???????????DataLine.Info?info?=?new?DataLine.Info（TargetDataLine.classformat）;?

???????????try?{?
???????????????line?=?（TargetDataLine）?AudioSystem.getLine（info）;?
???????????????line.open（format?line.getBufferSize（））;?
???????????}?catch?（Exception?ex）?{?
???????????????return;?
???????????}?

???????????byte[]?data?=?new?byte[1024];//此處的1024可以情況進行調(diào)整，應(yīng)跟下面的1024應(yīng)保持一致?
???????????int?numBytesRead=0;?
???????????line.start（）;?

???????????while?（thread?!=?null）?{?
???????????????numBytesRead?=?line.read（data?0128）;//取數(shù)據(jù)（1024）的大小直接關(guān)系到傳輸?shù)乃俣龋话阍叫≡娇欤?
???????????????try?{?
?????????????????captrueOutputStream.write（data?0?numBytesRead）;//寫入網(wǎng)絡(luò)流?
???????????????}?
???????????????catch?（Exception?ex）?{?
???????????????????break;?
???????????????}?
???????????}?

???????????line.stop（）;?
???????????line.close（）;?
???????????line?=?null;?

???????????try?{?
???????????????captrueOutputStream.flush（）;?
???????????????captrueOutputStream.close（）;?
???????????}?catch?（IOException?ex）?{?
???????????????ex.printStackTrace（）;?
???????????}?
???????}?
?????
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2364??2007-08-29?22:11??java?語音聊天\Capture.java

?????文件???????2623??2007-08-22?00:37??java?語音聊天\Client.java

?????文件???????2252??2007-08-22?00:36??java?語音聊天\Playback.java

?????文件???????2697??2007-08-22?00:37??java?語音聊天\Server.java

?????目錄??????????0??2011-11-10?13:11??java?語音聊天

-----------?---------??----------?-----??----

?????????????????9936????????????????????5