我有一個問題,我已經設置MediaLocator麥克風輸入,然後創建播放器。 我需要從麥克風中獲取聲音,將其編碼爲質量較低的流,並通過UDP將其作爲數據報包發送。 下面的代碼,我發現大部分的在線和它適用於我的應用程序:如何在java中通過UDP發送音頻流?
public class AudioSender extends Thread {
private MediaLocator ml = new MediaLocator("javasound://44100");
private DatagramSocket socket;
private boolean transmitting;
private Player player;
TargetDataLine mic;
byte[] buffer;
private AudioFormat format;
private DatagramSocket datagramSocket(){
try {
return new DatagramSocket();
} catch (SocketException ex) {
return null;
}
}
private void startMic() {
try {
format = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, 8000.0F, 16, 2, 4, 8000.0F, true);
DataLine.Info info = new DataLine.Info(TargetDataLine.class, format);
mic = (TargetDataLine) AudioSystem.getLine(info);
mic.open(format);
mic.start();
buffer = new byte[1024];
} catch (LineUnavailableException ex) {
Logger.getLogger(AudioSender.class.getName()).log(Level.SEVERE, null, ex);
}
}
private Player createPlayer() {
try {
return Manager.createRealizedPlayer(ml);
} catch (IOException ex) {
return null;
} catch (NoPlayerException ex) {
return null;
} catch (CannotRealizeException ex) {
return null;
}
}
private void send() {
try {
mic.read(buffer, 0, 1024);
DatagramPacket packet =
new DatagramPacket(
buffer, buffer.length, InetAddress.getByName(Util.getRemoteIP()), 91);
socket.send(packet);
} catch (IOException ex) {
Logger.getLogger(AudioSender.class.getName()).log(Level.SEVERE, null, ex);
}
}
@Override
public void run() {
player = createPlayer();
player.start();
socket = datagramSocket();
transmitting = true;
startMic();
while (transmitting) {
send();
}
}
public static void main(String[] args) {
AudioSender as = new AudioSender();
as.start();
}
}
而且唯一的事情,當我運行接收機類出現這種情況,是我從發送方聽到這個播放器類。 我似乎無法看到TargetDataLine和Player之間的連接。 基本上,我需要獲取聲音表單播放器,並以某種方式將其轉換爲字節[],因此我可以將它作爲數據報發送。 任何想法?一切都可以接受,只要它有效:)
應該使用接收器而不是播放器... – 2012-03-10 21:33:09