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