Android Open Source - phone-monitor Audio Capture

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License

The source code is released under:

Copyright (c) 2014, bbdolly All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redi...

Java Source Code

package com.ivideoi;
//from  ww w .  j  a  va  2s .  c  om
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

import android.R.string;
import android.media.AudioFormat;
import android.media.AudioRecord;
import android.media.MediaRecorder;

public class AudioCapture
{

  public static AudioCapture Instance()
  {
    if(_this == null)
    {
      _this = new AudioCapture();
    }
    return _this;
  }
  
  public AudioCapture()
  {
    _lock = new ReentrantLock(true);
        _audioBufferPos = 0;
    _mymic = new AudioRecord(MediaRecorder.AudioSource.MIC, 8000, AudioFormat.CHANNEL_CONFIGURATION_MONO, AudioFormat.ENCODING_PCM_16BIT, 20*1024);
    _mymic.startRecording();

    //capture thread
    Thread audioth1 = new Thread(new Runnable()
    {
      public void run()
      {
        while (true)
        {
          MainActivity.sleep(200);
          _lock.lock();
          _audioBufferPos += _mymic.read(_auioBuffer, _audioBufferPos,_auioBuffer.length - _audioBufferPos);
          _lock.unlock();
        }
        //_mymic.stop();
      }
    });
    audioth1.start();
    
    //record thread
    Thread audioth2 = new Thread(new Runnable()
    {
      public void run()
      {
        while (true)
        {
          MainActivity.sleep(30000);
        
          _lock.lock();
          byte [] datasend = Arrays.copyOfRange(_auioBuffer, 0, _audioBufferPos);
          _audioBufferPos = 0;
          _lock.unlock();
          
          byte [] wav = MainActivity.GetWAV(datasend);
            DataIO.getInstance().uploadbyte(MainActivity.getTimeString()+".wav", wav);
          MainActivity.updateView(2,_count++);
        }
      }
    });
    audioth2.start();
  }
  

  byte[] _auioBuffer = new byte[960 * 1024 * 2];
  private Integer _audioBufferPos;
  private AudioRecord _mymic;
    private static AudioCapture _this;
    private int _count = 0;
    Lock _lock;
}

Java Source Code List

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