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<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_66daa4b65a9ea1734b247f7904e7ec97.html">AudioBasic</a></li> </ul>
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<div class="title">Int24_4bytes_t.h</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#pragma once</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#include "AudioConfig.h"</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>  </div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#define INT24_MAX 0x7FFFFF</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>  </div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="keyword">namespace </span><a class="code" href="namespaceaudio__tools.html">audio_tools</a> {</div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>  </div>
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<div class="line"><a name="l00016"></a><span class="lineno"><a class="line" href="classaudio__tools_1_1int24__4bytes__t.html"> 16</a></span> <span class="keyword">class </span><a class="code" href="classaudio__tools_1_1int24__4bytes__t.html">int24_4bytes_t</a> {</div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html">int24_4bytes_t</a>() {</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  value = 0;</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  }</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  </div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html">int24_4bytes_t</a>(<span class="keywordtype">void</span> *ptr) {</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  memcpy(&value, ptr, 4);</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  }</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html">int24_4bytes_t</a>(<span class="keyword">const</span> int16_t in) {</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html#a82ee9face90cedee7f795055fcff3fa8">set</a>(in) ;</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  }</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html">int24_4bytes_t</a>(<span class="keyword">const</span> int32_t in) {</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html#a82ee9face90cedee7f795055fcff3fa8">set</a>(in);</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  }</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  </div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html">int24_4bytes_t</a>(<span class="keyword">const</span> int64_t in) {</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html#a82ee9face90cedee7f795055fcff3fa8">set</a>((int32_t)in) ;</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  }</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html">int24_4bytes_t</a>(<span class="keyword">const</span> <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html">int24_4bytes_t</a> &in) {</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  value = in.value;</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  }</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  </div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html">int24_4bytes_t</a>(<span class="keyword">const</span> <span class="keywordtype">float</span> in) {</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html#a82ee9face90cedee7f795055fcff3fa8">set</a>((int32_t)in);</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  }</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#if defined(USE_INT24_FROM_INT) </span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  </div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html">int24_4bytes_t</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> in) {</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html#a82ee9face90cedee7f795055fcff3fa8">set</a>(in);</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  }</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  </div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
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<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="classaudio__tools_1_1int24__4bytes__t.html#a82ee9face90cedee7f795055fcff3fa8"> 55</a></span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html#a82ee9face90cedee7f795055fcff3fa8">set</a>(<span class="keyword">const</span> int32_t &in) {</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">if</span> (in>INT24_MAX){</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  value = INT24_MAX << 8;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (in<-INT24_MAX){</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  value = -(INT24_MAX << 8);</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  value = in << 8;</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  }</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  }</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html">int24_4bytes_t</a>& operator=(<span class="keyword">const</span> <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html">int24_4bytes_t</a>& other){</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  value = other.value;</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  }</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  </div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  int24_4bytes_t& operator=(<span class="keyword">const</span> <span class="keywordtype">float</span>& other){</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html#a82ee9face90cedee7f795055fcff3fa8">set</a>(((int32_t)other));</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  }</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">operator</span> int() {</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">return</span> <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html#a8cc7782de081ce702a9be163b4cb8f84">toInt</a>();</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  } </div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  </div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">explicit</span> <span class="keyword">operator</span> float() {</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">return</span> <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html#a8cc7782de081ce702a9be163b4cb8f84">toInt</a>();</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  } </div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  </div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">explicit</span> <span class="keyword">operator</span> int64_t() {</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">return</span> <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html#a8cc7782de081ce702a9be163b4cb8f84">toInt</a>();</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  } </div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  </div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  int24_4bytes_t& operator +=(int32_t valueA){</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  int32_t temp = <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html#a8cc7782de081ce702a9be163b4cb8f84">toInt</a>();</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  temp += valueA;</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html#a82ee9face90cedee7f795055fcff3fa8">set</a>(temp);</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  }</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  </div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  int24_4bytes_t& operator -=(int32_t valueA){</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  int32_t temp = <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html#a8cc7782de081ce702a9be163b4cb8f84">toInt</a>();</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  temp -= valueA;</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html#a82ee9face90cedee7f795055fcff3fa8">set</a>(temp);</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  }</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  </div>
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<div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="classaudio__tools_1_1int24__4bytes__t.html#a8cc7782de081ce702a9be163b4cb8f84"> 102</a></span>  <span class="keywordtype">int</span> <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html#a8cc7782de081ce702a9be163b4cb8f84">toInt</a>()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">return</span> value >> 8;</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  } </div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  </div>
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<div class="line"><a name="l00107"></a><span class="lineno"><a class="line" href="classaudio__tools_1_1int24__4bytes__t.html#ad6bb46566b18ad8dffcb702ab299f292"> 107</a></span>  <span class="keywordtype">float</span> <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html#ad6bb46566b18ad8dffcb702ab299f292">toFloat</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> (<span class="keywordtype">float</span>)<a class="code" href="classaudio__tools_1_1int24__4bytes__t.html#a8cc7782de081ce702a9be163b4cb8f84">toInt</a>(); }</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  </div>
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<div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="classaudio__tools_1_1int24__4bytes__t.html#ab5de9df15c4ca32db1246fd57eb79e40"> 110</a></span>  int16_t <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html#ab5de9df15c4ca32db1246fd57eb79e40">scale16</a>()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>int16_t<span class="keyword">></span>(<a class="code" href="classaudio__tools_1_1int24__4bytes__t.html#a8cc7782de081ce702a9be163b4cb8f84">toInt</a>() >> 8) ;</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  </div>
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<div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="classaudio__tools_1_1int24__4bytes__t.html#a7f0c0806ea9d9ccd6fff33eb2af10768"> 115</a></span>  int32_t <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html#a7f0c0806ea9d9ccd6fff33eb2af10768">scale32</a>()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>int32_t<span class="keyword">></span>(<a class="code" href="classaudio__tools_1_1int24__4bytes__t.html#a8cc7782de081ce702a9be163b4cb8f84">toInt</a>() << 8);</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  }</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  </div>
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<div class="line"><a name="l00120"></a><span class="lineno"><a class="line" href="classaudio__tools_1_1int24__4bytes__t.html#ad3f975477e832379629a455ed04bae0c"> 120</a></span>  <span class="keywordtype">float</span> <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html#ad3f975477e832379629a455ed04bae0c">scaleFloat</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classaudio__tools_1_1int24__4bytes__t.html#ad6bb46566b18ad8dffcb702ab299f292">toFloat</a>() / INT24_MAX; }</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  </div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordtype">void</span> setAndScale16(int16_t i16) {</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  value = i16;</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  value = value << 16;</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  }</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  </div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  int16_t getAndScale16() {</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>int16_t<span class="keyword">></span>(value >> 16);</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  }</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  </div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">// store 24 bit value shifted by 1 byte to the left</span></div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  int32_t value;</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> };</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  </div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  </div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> } <span class="comment">// namespace audio_tools</span></div>
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<div class="ttc" id="aclassaudio__tools_1_1int24__4bytes__t_html"><div class="ttname"><a href="classaudio__tools_1_1int24__4bytes__t.html">audio_tools::int24_4bytes_t</a></div><div class="ttdoc">24bit integer which is used for I2S sound processing. The values are represented as int32_t,...</div><div class="ttdef"><b>Definition:</b> Int24_4bytes_t.h:16</div></div>
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<div class="ttc" id="aclassaudio__tools_1_1int24__4bytes__t_html_a7f0c0806ea9d9ccd6fff33eb2af10768"><div class="ttname"><a href="classaudio__tools_1_1int24__4bytes__t.html#a7f0c0806ea9d9ccd6fff33eb2af10768">audio_tools::int24_4bytes_t::scale32</a></div><div class="ttdeci">int32_t scale32() const</div><div class="ttdoc">provides value between -2,147,483,647 and 2,147,483,647</div><div class="ttdef"><b>Definition:</b> Int24_4bytes_t.h:115</div></div>
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<div class="ttc" id="aclassaudio__tools_1_1int24__4bytes__t_html_a82ee9face90cedee7f795055fcff3fa8"><div class="ttname"><a href="classaudio__tools_1_1int24__4bytes__t.html#a82ee9face90cedee7f795055fcff3fa8">audio_tools::int24_4bytes_t::set</a></div><div class="ttdeci">void set(const int32_t &in)</div><div class="ttdoc">values are clipped and shifted by 1 byte</div><div class="ttdef"><b>Definition:</b> Int24_4bytes_t.h:55</div></div>
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<div class="ttc" id="aclassaudio__tools_1_1int24__4bytes__t_html_a8cc7782de081ce702a9be163b4cb8f84"><div class="ttname"><a href="classaudio__tools_1_1int24__4bytes__t.html#a8cc7782de081ce702a9be163b4cb8f84">audio_tools::int24_4bytes_t::toInt</a></div><div class="ttdeci">int toInt() const</div><div class="ttdoc">Standard Conversion to Int.</div><div class="ttdef"><b>Definition:</b> Int24_4bytes_t.h:102</div></div>
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<div class="ttc" id="aclassaudio__tools_1_1int24__4bytes__t_html_ab5de9df15c4ca32db1246fd57eb79e40"><div class="ttname"><a href="classaudio__tools_1_1int24__4bytes__t.html#ab5de9df15c4ca32db1246fd57eb79e40">audio_tools::int24_4bytes_t::scale16</a></div><div class="ttdeci">int16_t scale16() const</div><div class="ttdoc">provides value between -32767 and 32767</div><div class="ttdef"><b>Definition:</b> Int24_4bytes_t.h:110</div></div>
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<div class="ttc" id="aclassaudio__tools_1_1int24__4bytes__t_html_ad3f975477e832379629a455ed04bae0c"><div class="ttname"><a href="classaudio__tools_1_1int24__4bytes__t.html#ad3f975477e832379629a455ed04bae0c">audio_tools::int24_4bytes_t::scaleFloat</a></div><div class="ttdeci">float scaleFloat() const</div><div class="ttdoc">provides value between -1.0 and 1.0</div><div class="ttdef"><b>Definition:</b> Int24_4bytes_t.h:120</div></div>
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<div class="ttc" id="aclassaudio__tools_1_1int24__4bytes__t_html_ad6bb46566b18ad8dffcb702ab299f292"><div class="ttname"><a href="classaudio__tools_1_1int24__4bytes__t.html#ad6bb46566b18ad8dffcb702ab299f292">audio_tools::int24_4bytes_t::toFloat</a></div><div class="ttdeci">float toFloat() const</div><div class="ttdoc">convert to float</div><div class="ttdef"><b>Definition:</b> Int24_4bytes_t.h:107</div></div>
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<div class="ttc" id="anamespaceaudio__tools_html"><div class="ttname"><a href="namespaceaudio__tools.html">audio_tools</a></div><div class="ttdoc">Generic Implementation of sound input and output for desktop environments using portaudio.</div><div class="ttdef"><b>Definition:</b> AnalogAudioArduino.h:12</div></div>
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