EIP
/
arrays-soundprocessing


			
				
					
						
						
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177
							<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.9.1"/>
<title>My Project: Fichero Fuente wavesound.h</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
  $(document).ready(function() { init_search(); });
</script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr style="height: 56px;">
  <td style="padding-left: 0.5em;">
   <div id="projectname">My Project
   </div>
  </td>
 </tr>
 </tbody>
</table>
</div>
<!-- end header part -->
<!-- Generado por Doxygen 1.8.9.1 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Buscar');
</script>
  <div id="navrow1" class="tabs">
    <ul class="tablist">
      <li><a href="index.html"><span>Página&#160;principal</span></a></li>
      <li><a href="annotated.html"><span>Clases</span></a></li>
      <li class="current"><a href="files.html"><span>Archivos</span></a></li>
      <li>
        <div id="MSearchBox" class="MSearchBoxInactive">
        <span class="left">
          <img id="MSearchSelect" src="search/mag_sel.png"
               onmouseover="return searchBox.OnSearchSelectShow()"
               onmouseout="return searchBox.OnSearchSelectHide()"
               alt=""/>
          <input type="text" id="MSearchField" value="Buscar" accesskey="S"
               onfocus="searchBox.OnSearchFieldFocus(true)" 
               onblur="searchBox.OnSearchFieldFocus(false)" 
               onkeyup="searchBox.OnSearchFieldChange(event)"/>
          </span><span class="right">
            <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
          </span>
        </div>
      </li>
    </ul>
  </div>
  <div id="navrow2" class="tabs2">
    <ul class="tablist">
      <li><a href="files.html"><span>Lista&#160;de&#160;archivos</span></a></li>
      <li><a href="globals.html"><span>Miembros&#160;de&#160;los&#160;ficheros</span></a></li>
    </ul>
  </div>
</div><!-- top -->
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>

<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0" 
        name="MSearchResults" id="MSearchResults">
</iframe>
</div>

<div class="header">
  <div class="headertitle">
<div class="title">wavesound.h</div>  </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#ifndef WAVESOUND_H</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor">#define WAVESOUND_H</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;</div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="preprocessor">#include &lt;QtMultimedia/QAudioBuffer&gt;</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#include &lt;QtMultimedia/QAudioFormat&gt;</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="preprocessor">#include &lt;QFile&gt;</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#include &lt;QByteArray&gt;</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;</div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="keyword">using namespace </span><a class="code" href="namespacestd.html">std</a> ;</div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;</div>
<div class="line"><a name="l00012"></a><span class="lineno"><a class="line" href="class_wave_sound.html">   12</a></span>&#160;<span class="keyword">class </span><a class="code" href="class_wave_sound.html">WaveSound</a></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;{</div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;    <span class="keyword">private</span>:</div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;        QByteArray header;</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;        QAudioFormat format;</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;        QByteArray wavBuffer;</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;        QAudioBuffer  *qab;</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;    <span class="keyword">public</span>:</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;        <a class="code" href="class_wave_sound.html">WaveSound</a>()</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;        {</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;            qab = NULL ;</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;            format.setSampleSize(16);</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;            format.setSampleRate(44100);</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;            format.setChannelCount(2);</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;            format.setCodec(<span class="stringliteral">&quot;audio/pcm&quot;</span>);</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;            format.setByteOrder(QAudioFormat::LittleEndian);</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;            format.setSampleType(QAudioFormat::SignedInt);</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;        }</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;        QAudioBuffer::S16S * getAudioSamples(QString filename)</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;        {</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;            QFile inputFile;</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;            inputFile.setFileName(filename);</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;            inputFile.open(QIODevice::ReadOnly);</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;            header = inputFile.read(44) ;  <span class="comment">// Wav header file is normally 44 bytes</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;            wavBuffer = inputFile.readAll();</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;            inputFile.close();</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;            <span class="keywordflow">if</span>(qab != NULL){</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;                <span class="keyword">delete</span> qab ;</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;            }</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;            qab = <span class="keyword">new</span> QAudioBuffer(wavBuffer, format);</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;            <span class="keywordflow">return</span> qab-&gt;data&lt;QAudioBuffer::S16S&gt;();</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;        }</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        <span class="keywordtype">void</span> writeNewAudioFile(QString filename)</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;        {</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;            QByteArray outBuffer;</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;            QFile outputFile;</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;            outputFile.setFileName(filename);</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;            outputFile.open(QIODevice::WriteOnly);</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;            outBuffer.setRawData((<span class="keywordtype">char</span> *) qab-&gt;data(), qab-&gt;byteCount() );</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;            outputFile.write(header);</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;            outputFile.write(outBuffer);</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;            outputFile.close();</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;        }</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;        <span class="keywordtype">int</span> frameCount()</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;        {</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;            <span class="keywordflow">return</span> qab-&gt;frameCount();</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;        }</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;        ~<a class="code" href="class_wave_sound.html">WaveSound</a>(){</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;            <span class="keywordflow">if</span>(qab != NULL){</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;                <span class="keyword">delete</span> qab ;</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;                qab = NULL;</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;            }</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        }</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;};</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="preprocessor">#endif // WAVESOUND_H</span></div>
<div class="ttc" id="namespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div></div>
<div class="ttc" id="class_wave_sound_html"><div class="ttname"><a href="class_wave_sound.html">WaveSound</a></div><div class="ttdef"><b>Definition:</b> wavesound.h:12</div></div>
</div><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generado el Miércoles, 3 de Junio de 2015 09:11:46 para My Project por &#160;<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.9.1
</small></address>
</body>
</html>