我正在开发两个 Android 设备之间的语音聊天。客户端运行良好，但服务器端崩溃。
我已经更改了采样率数组大小，但它仍然崩溃。客户端一连接到服务器，服务器就崩溃了。
客户端:
package com.example.client;
import android.os.Build;
import android.os.Bundle;
import android.os.StrictMode;
import android.view.Menu;
import android.view.MenuItem;
import android.annotation.SuppressLint;
import android.annotation.TargetApi;
import android.app.Activity;
import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.SocketException;
import java.net.UnknownHostException;
import android.content.Context;
import android.content.DialogInterface;
import android.media.AudioFormat;
import android.media.AudioManager;
import android.media.AudioRecord;
import android.media.AudioTrack;
import android.media.MediaRecorder;
import android.util.Base64;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
@TargetApi(Build.VERSION_CODES.GINGERBREAD) @SuppressLint("NewApi") public class MainActivity extends Activity {
private EditText target,target_port;
private TextView streamingLabel;
private Button startButton,stopButton;
public byte[] buffer;
public static DatagramSocket socket;
private int port=50005;
AudioRecord recorder;
//AudioManager audioManager = (AudioManager) this.getSystemService(Context.AUDIO_SERVICE);
private int sampleRate =8000;//Integer.parseInt(audioManager.getProperty(AudioManager.PROPERTY_OUTPUT_SAMPLE_RATE));
private int channelConfig = AudioFormat.CHANNEL_IN_MONO;
private int audioFormat = AudioFormat.ENCODING_PCM_16BIT;
private boolean status = true;
@SuppressLint("NewApi") @Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if (android.os.Build.VERSION.SDK_INT > 9) {
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
}
target = (EditText) findViewById (R.id.target_IP);
streamingLabel = (TextView) findViewById(R.id.streaming_label);
startButton = (Button) findViewById (R.id.start_button);
stopButton = (Button) findViewById (R.id.stop_button);
target_port=(EditText) findViewById(R.id.target_Port);
streamingLabel.setText("Press Start! to begin");
startButton.setOnClickListener (startListener);
stopButton.setOnClickListener (stopListener);
target.setText("192.168.1.100");
target_port.setText("50005");
// AudioManager audioManager = (AudioManager) this.getSystemService(Context.AUDIO_SERVICE);
// String rate = audioManager.getProperty(AudioManager.PROPERTY_OUTPUT_SAMPLE_RATE);
// String size = audioManager.getProperty(AudioManager.PROPERTY_OUTPUT_FRAMES_PER_BUFFER);
// Log.d("Buffer Size and sample rate", "Size :" + size + " & Rate: " + rate);
}
private final OnClickListener stopListener = new OnClickListener() {
@Override
public void onClick(View arg0) {
status = false;
recorder.release();
Log.d("VS","Recorder released");
}
};
private final OnClickListener startListener = new OnClickListener() {
@Override
public void onClick(View arg0) {
status = true;
startStreaming();
}
};
public void startStreaming() {
Thread streamThread = new Thread(new Runnable() {
@Override
public void run() {
try {
int minBufSize = AudioRecord.getMinBufferSize(sampleRate, channelConfig, audioFormat);
DatagramSocket socket = new DatagramSocket();
Log.d("VS", "Socket Created");
byte[] buffer = new byte[512];
Log.d("VS","Buffer created of size " + minBufSize);
DatagramPacket packet;
final InetAddress destination = InetAddress.getByName(target.getText().toString());
Log.d("VS", "Address retrieved");
if (minBufSize != AudioRecord.ERROR_BAD_VALUE) {
recorder = new AudioRecord(MediaRecorder.AudioSource.DEFAULT,sampleRate,channelConfig,audioFormat,minBufSize);
Log.d("VS", "Recorder initialized");
if (recorder.getState() == AudioRecord.STATE_INITIALIZED)
recorder.startRecording();}
while(status == true) {
//reading data from MIC into buffer
minBufSize = recorder.read(buffer, 0, buffer.length);
//encoding to base64
// String buffer1= Base64.encodeToString(buffer, Base64.DEFAULT);
//putting buffer in the packet
port=Integer.parseInt(target_port.getText().toString());
packet = new DatagramPacket (buffer,buffer.length,destination,port);
System.out.print(buffer);
Log.d("", "BUFERRRR");
socket.send(packet);
}
} catch(UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
Log.e("IOException message:",e.getMessage().toString());
}
}
});
streamThread.start();
}
}
服务器:
package com.example.server;
import android.os.Build;
import android.os.Bundle;
import android.os.StrictMode;
import android.annotation.SuppressLint;
import android.annotation.TargetApi;
import android.app.Activity;
import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.SocketException;
import android.content.Context;
import android.media.AudioFormat;
import android.media.AudioManager;
import android.media.AudioRecord;
import android.media.AudioTrack;
import android.media.MediaRecorder;
import android.util.Base64;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
@TargetApi(Build.VERSION_CODES.GINGERBREAD) @SuppressLint("NewApi") public class MainActivity extends Activity {
private Button receiveButton,stopButton;
private TextView recive;
private EditText port;
public static DatagramSocket socket;
private AudioTrack speaker;
private int port_num=50005;
private int sampleRate =44100;//Integer.parseInt(audioManager.getProperty(AudioManager.PROPERTY_OUTPUT_SAMPLE_RATE));
private int channelConfig = AudioFormat.CHANNEL_OUT_MONO;
private int audioFormat = AudioFormat.ENCODING_PCM_16BIT;
int minBufSize =AudioRecord.getMinBufferSize(sampleRate, channelConfig, audioFormat);
byte[] buffer; //256
private boolean status = true;
@SuppressLint("NewApi") @TargetApi(Build.VERSION_CODES.GINGERBREAD) @Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
setContentView(R.layout.activity_main);
if (android.os.Build.VERSION.SDK_INT > 9) {
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
}
receiveButton = (Button) findViewById (R.id.receive_button);
stopButton = (Button) findViewById (R.id.stop_button);
recive= (TextView) findViewById(R.id.receive_label);
receiveButton.setOnClickListener(receiveListener);
stopButton.setOnClickListener(stopListener);
port=(EditText) findViewById(R.id.editText1);
//AudioManager audioManager = (AudioManager) this.getSystemService(Context.AUDIO_SERVICE);
// sampleRate =Integer.parseInt( audioManager.getProperty(AudioManager.PROPERTY_OUTPUT_SAMPLE_RATE));
}
private final OnClickListener stopListener = new OnClickListener() {
@Override
public void onClick(View v) {
status = false;
speaker.release();
Log.d("VR","Speaker released");
}
};
private final OnClickListener receiveListener = new OnClickListener() {
@Override
public void onClick(View arg0) {
status = true;
startReceiving();
}
};
public void startReceiving() {
Thread receiveThread = new Thread (new Runnable() {
@Override
public void run() {
buffer= new byte[1024];
DatagramSocket socket = null;
try {
socket = new DatagramSocket(50005);
Log.d("VR", "Socket Created");
if (minBufSize != AudioRecord.ERROR_BAD_VALUE) {
speaker = new AudioTrack(AudioManager.STREAM_MUSIC,sampleRate,channelConfig,audioFormat,1024,AudioTrack.MODE_STREAM);
if (speaker.getState() == AudioRecord.STATE_INITIALIZED)
speaker.play();}
while(status == true) {
DatagramPacket packet = new DatagramPacket(buffer,buffer.length);
socket.receive(packet);
Log.d("VR", "Packet Received");
buffer=packet.getData();
Log.d("VR", "Packet data read into buffer");
buffer= Base64.decode(buffer, Base64.DEFAULT);
speaker.write(buffer, 0, minBufSize);
Log.d("VR", "Writing buffer content to speaker");
}
} catch (SocketException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
});
receiveThread.start();
}}
请帮我解决这个问题。
最佳答案
问题是缓冲区大小和 while 循环
关于android - 在android中的服务器和客户端之间流式传输语音，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/31212651/