安卓实现局域网语音通话
时间: 2023-11-28 16:04:24 浏览: 64
安卓实现局域网语音通话可以通过以下步骤实现:
1.使用UDP协议进行数据传输,可以使用Java中的DatagramSocket和DatagramPacket类来实现。
2.在发送端,将录制的语音数据打包成DatagramPacket对象,并通过DatagramSocket发送到接收端。
3.在接收端,接收DatagramPacket对象,并将其解析成语音数据,然后使用AudioTrack类播放语音。
4.为了保证语音质量,可以对语音数据进行压缩和解压缩处理,例如使用G.711标准进行压缩和解压缩。
下面是一个简单的安卓局域网语音通话的示例代码:
```java
// 发送端
public class AudioRecordThread implements Runnable {
private DatagramSocket socket;
private InetAddress address;
private int port;
public AudioRecordThread(String ip, int port) throws SocketException, UnknownHostException {
this.socket = new DatagramSocket();
this.address = InetAddress.getByName(ip);
this.port = port;
}
@Override
public void run() {
try {
// 初始化AudioRecord
AudioRecord audioRecord = new AudioRecord(MediaRecorder.AudioSource.MIC, 8000, AudioFormat.CHANNEL_IN_MONO, AudioFormat.ENCODING_PCM_16BIT, AudioRecord.getMinBufferSize(8000, AudioFormat.CHANNEL_IN_MONO, AudioFormat.ENCODING_PCM_16BIT));
byte[] buffer = new byte[1024];
DatagramPacket packet;
// 开始录音
audioRecord.startRecording();
while (true) {
// 读取录音数据
int len = audioRecord.read(buffer, 0, buffer.length);
// 打包数据并发送
packet = new DatagramPacket(buffer, len, address, port);
socket.send(packet);
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
// 接收端
public class AudioTrackThread implements Runnable {
private DatagramSocket socket;
private boolean flag = true;
public AudioTrackThread(int port) throws SocketException {
this.socket = new DatagramSocket(port);
}
public void setFlag(boolean flag) {
this.flag = flag;
}
@Override
public void run() {
try {
// 初始化AudioTrack
AudioTrack audioTrack = new AudioTrack(AudioManager.STREAM_MUSIC, 8000, AudioFormat.CHANNEL_OUT_MONO, AudioFormat.ENCODING_PCM_16BIT, AudioTrack.getMinBufferSize(8000, AudioFormat.CHANNEL_OUT_MONO, AudioFormat.ENCODING_PCM_16BIT), AudioTrack.MODE_STREAM);
byte[] buffer = new byte[1024];
DatagramPacket packet;
// 开始播放
audioTrack.play();
while (flag) {
// 接收数据并解析
packet = new DatagramPacket(buffer, buffer.length);
socket.receive(packet);
audioTrack.write(packet.getData(), 0, packet.getLength());
}
// 停止播放
audioTrack.stop();
audioTrack.release();
} catch (Exception e) {
e.printStackTrace();
}
}
}
```