Created
December 3, 2019 22:13
-
-
Save HyCraftHD/725a5e3611328d58353a96afab658f62 to your computer and use it in GitHub Desktop.
Basic UDP audio transmission (ATTENTION, The audio is raw and will not be encoded)
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
package test.voicechat; | |
import java.net.*; | |
import javax.sound.sampled.*; | |
public class VoiceChat { | |
private final static String HOST = "udp.echoserver.example"; | |
private static DatagramSocket socket; | |
private static final AudioFormat format = new AudioFormat(48000, 16, 2, true, true); | |
private static final DataLine.Info micInfo = new DataLine.Info(TargetDataLine.class, format); | |
private static final DataLine.Info speakerInfo = new DataLine.Info(SourceDataLine.class, format); | |
public static void main(String[] args) throws Exception { | |
socket = new DatagramSocket(); | |
send(); | |
receive(); | |
} | |
private static void send() { | |
final Runnable runnable = () -> { | |
try { | |
TargetDataLine targetLine = (TargetDataLine) AudioSystem.getLine(micInfo); | |
targetLine.open(format); | |
targetLine.start(); | |
int numBytesRead; | |
byte[] targetData = new byte[1000]; | |
System.out.println(targetLine.getBufferSize()); | |
while (true) { | |
numBytesRead = targetLine.read(targetData, 0, targetData.length); | |
if (numBytesRead >= 0) { | |
final DatagramPacket datagramPacket = new DatagramPacket(targetData, numBytesRead, InetAddress.getByName(HOST), 10000); | |
socket.send(datagramPacket); | |
} | |
} | |
} catch (Exception ex) { | |
ex.printStackTrace(); | |
} | |
}; | |
new Thread(runnable).start(); | |
} | |
private static void receive() { | |
final Runnable runnable = () -> { | |
try { | |
SourceDataLine sourceLine = (SourceDataLine) AudioSystem.getLine(speakerInfo); | |
sourceLine.open(format); | |
sourceLine.start(); | |
while (true) { | |
final byte[] array = new byte[1000]; | |
final DatagramPacket datagramPacket = new DatagramPacket(array, array.length); | |
socket.receive(datagramPacket); | |
sourceLine.write(array, 0, datagramPacket.getLength()); | |
} | |
} catch (Exception ex) { | |
ex.printStackTrace(); | |
} | |
}; | |
new Thread(runnable).start(); | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment