Android Open Source - audiopulse-androidclient Audio Pulse File Writer

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Back to project page audiopulse-androidclient.

License

The source code is released under:

GNU General Public License

Java Source Code

/* ===========================================================
 * SanaAudioPulse : a free platform for teleaudiology.
 *              /*from w ww . j a  v a  2s . c  o  m*/
 * ===========================================================
 *
 * (C) Copyright 2012, by Sana AudioPulse
 *
 * Project Info:
 *    SanaAudioPulse: http://code.google.com/p/audiopulse/
 *    Sana: http://sana.mit.edu/
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * [Android is a trademark of Google Inc.]
 *
 * -----------------
 * AudioPulseCalibrationActivity.java
 * -----------------
 * (C) Copyright 2012, by SanaAudioPulse
 *
 * Original Author:  Ikaro Silva
 * Contributor(s):   -;
 *
 * Changes
 * -------
 * Check: http://code.google.com/p/audiopulse/source/list
 */ 

package org.audiopulse.io;
import java.io.*;
import java.util.Date;

import android.os.Environment;
import android.util.Log;


public class AudioPulseFileWriter extends Thread {

  private static final String TAG="AudioPulseWriteFile";
  private static final File root = Environment.getExternalStorageDirectory();
  private final File outFile;
  private final double[] data;
  private final static String fileExtension=".raw";
  
  public AudioPulseFileWriter(File f, double[] d){
    outFile=f;
    data=d;
  }

  public static String getFileExtension(){
    return fileExtension;
  }
  
  @Deprecated //Used the one that requires the ear being tested (below)
  public synchronized static File generateFileName(String testType,
      String testFrequency){
    String fileName="AP_" + testType + "-" + testFrequency + "kHz-" +new Date().toString()+fileExtension;
    File outFile = new File(root, fileName.replace(" ","-").replace(":", "-") );
    return outFile;
  }
  
  public synchronized static File generateFileName(String testType,
      String testFrequency, String testEar, Double attenuation){
    String fileName="AP_" + attenuation.toString()+ "-" 
      + testType + "-" + testEar + '-'+ testFrequency + "kHz-" +new Date().toString()+fileExtension;
    File outFile = new File(root, fileName.replace(" ","-").replace(":", "-") );
    return outFile;
  }
  
  public synchronized static void writeFile(File outFile, double[] samples) throws Exception {
    //Write Short file to disk
    FileOutputStream fos = null;
    ObjectOutputStream out = null;
    try {
      fos = new FileOutputStream(outFile);
      out = new ObjectOutputStream(fos);
      out.writeObject(samples);
      out.flush();
      out.close();
    } catch (Exception e) {
      e.printStackTrace();
      throw new Exception(TAG);
    } 
    Log.v(TAG,"Done writing file to disk");
  }
  
  public void run(){
    Log.v(TAG,"Writing file: " + outFile);
    try {
      AudioPulseFileWriter.writeFile(outFile, data);
    } catch (Exception e) {
      Log.v(TAG,"Error: could not acccess file!");
      e.printStackTrace();
    }
  }

}

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