Android Open Source - voicesmith Audio Device

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From Project

Back to project page voicesmith.

License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Voicesmith <http://voicesmith.jurihock.de/>
 *//from  w  w w  .  jav a  2  s.c  o m
 * Copyright (c) 2011-2014 Juergen Hock
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package de.jurihock.voicesmith.io;

import android.content.Context;
import de.jurihock.voicesmith.Disposable;
import de.jurihock.voicesmith.Preferences;
import de.jurihock.voicesmith.Utils;

public abstract class AudioDevice implements Disposable
{
  protected final Context  context;

  public Context getContext()
  {
    return context;
  }

  private int  sampleRate;

  public int getSampleRate()
  {
    return sampleRate;
  }
  
  protected void setSampleRate(int sampleRate)
  {
    this.sampleRate = sampleRate;
  }
  
  public AudioDevice(Context context)
  {
    this(context, new Preferences(context).getSampleRate());
  }

  public AudioDevice(Context context, int  sampleRate)
  {
    this.context = context;
    this.sampleRate = sampleRate;
    new Utils(context).log("Current sample rate is %s Hz.", sampleRate);
  }

  public int read(short[] buffer, int offset, int count)
  {
    return -1;
  }

  public final boolean read(short[] buffer)
  {
        if (buffer == null) return false;
        if (buffer.length == 0) return false;

    int count = 0;

    do
    {
            int result = read(buffer, count, buffer.length - count);
            if (result < 0) return false; // error on reading data
      count += result;
    }
    while (count < buffer.length);

    return true;
  }

  public int write(short[] buffer, int offset, int count)
  {
    return -1;
  }

  public final boolean write(short[] buffer)
  {
        if (buffer == null) return false;
        if (buffer.length == 0) return false;

    int count = 0;

    do
    {
            int result = write(buffer, count, buffer.length - count);
            if (result < 0) return false; // error on writing data
            count += result;
    }
    while (count < buffer.length);

        return true;
  }

  public void flush()
  {
  }

  public void start()
  {
  }

  public void stop()
  {
  }

  public void dispose()
  {
  }
}

Java Source Code List

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