Coverage Report - fr.paris.lutece.plugins.captcha.modules.jcaptcha.service.sound.filter.PitchFilter
 
Classes in this File Line Coverage Branch Coverage Complexity
PitchFilter
0 %
0/17
N/A
N/A
1
 
 1   
 /*
 2   
  * Copyright (c) 2002-2014, Mairie de Paris
 3   
  * All rights reserved.
 4   
  *
 5   
  * Redistribution and use in source and binary forms, with or without
 6   
  * modification, are permitted provided that the following conditions
 7   
  * are met:
 8   
  *
 9   
  *  1. Redistributions of source code must retain the above copyright notice
 10   
  *     and the following disclaimer.
 11   
  *
 12   
  *  2. Redistributions in binary form must reproduce the above copyright notice
 13   
  *     and the following disclaimer in the documentation and/or other materials
 14   
  *     provided with the distribution.
 15   
  *
 16   
  *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
 17   
  *     contributors may be used to endorse or promote products derived from
 18   
  *     this software without specific prior written permission.
 19   
  *
 20   
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 21   
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 22   
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 23   
  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 24   
  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 25   
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 26   
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 27   
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 28   
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 29   
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 30   
  * POSSIBILITY OF SUCH DAMAGE.
 31   
  *
 32   
  * License 1.0
 33   
  */
 34   
 package fr.paris.lutece.plugins.captcha.modules.jcaptcha.service.sound.filter;
 35   
 
 36   
 import javax.sound.sampled.AudioFormat;
 37   
 import javax.sound.sampled.AudioFormat.Encoding;
 38   
 import javax.sound.sampled.AudioInputStream;
 39   
 
 40   
 
 41   
 /**
 42   
  *
 43   
  */
 44   
 public class PitchFilter extends SoundFilter
 45   
 {
 46   
     private float _pitchMinValue;
 47   
     private float _pitchMaxValue;
 48   
 
 49   
     /**
 50   
      * Creates an PitchFilter with the specified minimum and maximum relative original sound pitch (in percent)
 51   
      * <p>
 52   
      * @param pitchMinValue the pitch Min Value
 53   
      * @param pitchMaxValue the pitch Max Value
 54   
      */
 55   
     public PitchFilter( float pitchMinValue, float pitchMaxValue )
 56  0 
     {
 57  0 
         _pitchMinValue = pitchMinValue / 100f;
 58  0 
         this._pitchMaxValue = pitchMaxValue / 100f;
 59  0 
     }
 60   
 
 61   
     /**
 62   
      * Filter do nothing, only AudioFormat was modified
 63   
      *
 64   
      * @param samples the samples
 65   
      * @param offset the offset
 66   
      * @param length the length
 67   
      * @param sampleSizeInBits the sample size in bits
 68   
      */
 69   
     public void filter( byte[] samples, int offset, int length, int sampleSizeInBits )
 70   
     {
 71   
         // Do nothing
 72  0 
     }
 73   
 
 74   
     /**
 75   
      * Apply coefficient to the original audio input format pitch
 76   
      *
 77   
      * @param audioInputStream the audio input stream
 78   
      * @return the audio format
 79   
      */
 80   
     public AudioFormat getAudioFormat( AudioInputStream audioInputStream )
 81   
     {
 82  0 
         AudioFormat originalFormat = audioInputStream.getFormat(  );
 83  0 
         float coef = (float) ( Math.random(  ) * ( _pitchMaxValue - _pitchMinValue ) ) + _pitchMinValue;
 84  0 
         float messagePitchRate = originalFormat.getFrameRate(  ) * coef;
 85   
 
 86  0 
         return new AudioFormat( messagePitchRate, originalFormat.getSampleSizeInBits(  ),
 87  0 
             originalFormat.getChannels(  ), originalFormat.getEncoding(  ).equals( Encoding.PCM_SIGNED ),
 88  0 
             originalFormat.isBigEndian(  ) );
 89   
     }
 90   
 
 91   
     /**
 92   
      *
 93   
      * @return the pitch min value
 94   
      */
 95   
     public float getPitchMinValue(  )
 96   
     {
 97  0 
         return _pitchMinValue;
 98   
     }
 99   
 
 100   
     /**
 101   
      * ste the pitch min value
 102   
      *
 103   
      * @param pitchMinValue the pitch min value
 104   
      */
 105   
     public void setPitchMinValue( float pitchMinValue )
 106   
     {
 107  0 
         _pitchMinValue = pitchMinValue;
 108  0 
     }
 109   
 
 110   
     /**
 111   
      *
 112   
      * @return the pitch max value
 113   
      */
 114   
     public float getPitchMaxValue(  )
 115   
     {
 116  0 
         return _pitchMaxValue;
 117   
     }
 118   
 
 119   
     /**
 120   
      * set the pitch max value
 121   
      *
 122   
      * @param pitchMaxValue the pitch max value
 123   
      */
 124   
     public void setPitchMaxValue( float pitchMaxValue )
 125   
     {
 126  0 
         this._pitchMaxValue = pitchMaxValue;
 127  0 
     }
 128   
 }
Report generated by Cobertura 2.1.1 on 24/04/18 17:44.