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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_44f75d7a35fd4e33bdaab9f4bfdc7083.html">AudioLibs</a></li> </ul>
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<div class="title">AudioKissFFT.h</div> </div>
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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>  </div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor">#include "kiss_fix.h"</span> </div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include "AudioFFT.h"</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="l00012"></a><span class="lineno"> 12</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="l00013"></a><span class="lineno"> 13</span>  </div>
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<div class="line"><a name="l00020"></a><span class="lineno"><a class="line" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html"> 20</a></span> <span class="keyword">class </span><a class="code" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html">FFTDriverKissFFT</a> : <span class="keyword">public</span> <a class="code" href="classaudio__tools_1_1_f_f_t_driver.html">FFTDriver</a> {</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="keywordtype">bool</span> begin(<span class="keywordtype">int</span> len)<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  this->len = len;</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keywordflow">if</span> (p_fft_object==<span class="keyword">nullptr</span>) p_fft_object = cpp_kiss_fft_alloc(len,<span class="keyword">false</span>,<span class="keyword">nullptr</span>,<span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keywordflow">if</span> (p_data==<span class="keyword">nullptr</span>) p_data = <span class="keyword">new</span> kiss_fft_cpx[len];</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  assert(p_fft_object!=<span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  assert(p_data!=<span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keywordflow">return</span> p_fft_object!=<span class="keyword">nullptr</span> && p_data!=<span class="keyword">nullptr</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>  </div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordtype">void</span> end()<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keywordflow">if</span> (p_fft_object!=<span class="keyword">nullptr</span>) kiss_fft_free(p_fft_object);</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordflow">if</span> (p_fft_object_inv!=<span class="keyword">nullptr</span>) kiss_fft_free(p_fft_object_inv);</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  </div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">if</span> (p_data!=<span class="keyword">nullptr</span>) <span class="keyword">delete</span>[] p_data;</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  p_fft_object = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  p_data = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  }</div>
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<div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#a11592af256fefabe7c1e1cc9b8b516b6"> 39</a></span>  <span class="keywordtype">void</span> <a class="code" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#a11592af256fefabe7c1e1cc9b8b516b6">setValue</a>(<span class="keywordtype">int</span> idx, <span class="keywordtype">float</span> value)<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  p_data[idx].r = value; </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>  </div>
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<div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#ab08cf2f66075519cfdaddedcce92527f"> 43</a></span>  <span class="keywordtype">void</span> <a class="code" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#ab08cf2f66075519cfdaddedcce92527f">fft</a>()<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  cpp_kiss_fft (p_fft_object, p_data, p_data); </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>  </div>
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<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#add3df8e9c88c438537a87be3415ef2ba"> 47</a></span>  <span class="keywordtype">void</span> <a class="code" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#add3df8e9c88c438537a87be3415ef2ba">rfft</a>()<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">if</span>(p_fft_object_inv==<span class="keyword">nullptr</span>) {</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  p_fft_object_inv = cpp_kiss_fft_alloc(len,<span class="keyword">true</span>,<span class="keyword">nullptr</span>,<span class="keyword">nullptr</span>);</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>  cpp_kiss_fft (p_fft_object_inv, p_data, p_data); </div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</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="l00054"></a><span class="lineno"><a class="line" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#a7adfa4b95180c0520f797ce976e9fb58"> 54</a></span>  <span class="keywordtype">float</span> <a class="code" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#a7adfa4b95180c0520f797ce976e9fb58">magnitude</a>(<span class="keywordtype">int</span> idx)<span class="keyword"> override </span>{ </div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">return</span> sqrt(<a class="code" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#a01f7d08ca15b0ebd7bb4d17101ba8d72">magnitudeFast</a>(idx));</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  }</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div>
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<div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#a01f7d08ca15b0ebd7bb4d17101ba8d72"> 59</a></span>  <span class="keywordtype">float</span> <a class="code" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#a01f7d08ca15b0ebd7bb4d17101ba8d72">magnitudeFast</a>(<span class="keywordtype">int</span> idx)<span class="keyword"> override </span>{ </div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">return</span> (p_data[idx].r * p_data[idx].r + p_data[idx].i * p_data[idx].i);</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  }</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>  <span class="keywordtype">bool</span> isValid()<span class="keyword"> override</span>{ <span class="keywordflow">return</span> p_fft_object!=<span class="keyword">nullptr</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"><a class="line" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#a1fd12da1f8f31de02ca0414c8d924c89"> 65</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#a1fd12da1f8f31de02ca0414c8d924c89">isReverseFFT</a>()<span class="keyword"> override </span>{<span class="keywordflow">return</span> <span class="keyword">true</span>;}</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  </div>
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<div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#aec550aae099c1a4afec6a9df3512ad21"> 67</a></span>  <span class="keywordtype">float</span> <a class="code" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#aec550aae099c1a4afec6a9df3512ad21">getValue</a>(<span class="keywordtype">int</span> idx)<span class="keyword"> override </span>{ <span class="keywordflow">return</span> p_data[idx].r };</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"><a class="line" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#a219ebb44c4025db09eddc2d87689a84b"> 69</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#a219ebb44c4025db09eddc2d87689a84b">setBin</a>(<span class="keywordtype">int</span> pos, <span class="keywordtype">float</span> real, <span class="keywordtype">float</span> img)<span class="keyword"> override </span>{</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">if</span> (pos>=len) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  p_data[pos].r = real;</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  p_data[pos].i = img;</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> <span class="keyword">true</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"><a class="line" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#a42b872c1c5c7d3c253cd0f8c9d4dadcd"> 75</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#a42b872c1c5c7d3c253cd0f8c9d4dadcd">getBin</a>(<span class="keywordtype">int</span> pos, <a class="code" href="structaudio__tools_1_1_f_f_t_bin.html">FFTBin</a> &bin)<span class="keyword"> override </span>{ </div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">if</span> (pos>=len) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  bin.real = p_data[idx].r;</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  bin.img = p_data[idx].i;</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  }</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>  kiss_fft_cfg p_fft_object=<span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  kiss_fft_cfg p_fft_object_inv=<span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  kiss_fft_cpx *p_data = <span class="keyword">nullptr</span>; <span class="comment">// real</span></div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordtype">int</span> len = 0;</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> };</div>
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<div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="classaudio__tools_1_1_audio_kiss_f_f_t.html"> 94</a></span> <span class="keyword">class </span><a class="code" href="classaudio__tools_1_1_audio_kiss_f_f_t.html">AudioKissFFT</a> : <span class="keyword">public</span> <a class="code" href="classaudio__tools_1_1_audio_f_f_t_base.html">AudioFFTBase</a> {</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="classaudio__tools_1_1_audio_kiss_f_f_t.html">AudioKissFFT</a>():<a class="code" href="classaudio__tools_1_1_audio_f_f_t_base.html#a737190d3d351f65b5184f7c8047a2fb7">AudioFFTBase</a>(<span class="keyword">new</span> <a class="code" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html">FFTDriverKissFFT</a>()) {}</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  </div>
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<div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="classaudio__tools_1_1_audio_kiss_f_f_t.html#a43c6d95f5f877b6958d5625bb91593fb"> 99</a></span>  kiss_fft_cpx *<a class="code" href="classaudio__tools_1_1_audio_kiss_f_f_t.html#a43c6d95f5f877b6958d5625bb91593fb">dataArray</a>() {</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">return</span> driverEx()->p_data;</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  </div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html">FFTDriverKissFFT</a>* driverEx() {</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">return</span> (<a class="code" href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html">FFTDriverKissFFT</a>*)<a class="code" href="classaudio__tools_1_1_audio_f_f_t_base.html#ad360e5c2be36d28d74715e70f31a9f98">driver</a>();</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="l00106"></a><span class="lineno"> 106</span> };</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </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="l00109"></a><span class="lineno"> 109</span> }</div>
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<div class="ttc" id="aclassaudio__tools_1_1_audio_f_f_t_base_html"><div class="ttname"><a href="classaudio__tools_1_1_audio_f_f_t_base.html">audio_tools::AudioFFTBase</a></div><div class="ttdoc">Executes FFT using audio data. The Driver which is passed in the constructor selects a specifc FFT im...</div><div class="ttdef"><b>Definition:</b> AudioFFT.h:123</div></div>
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<div class="ttc" id="aclassaudio__tools_1_1_audio_f_f_t_base_html_a737190d3d351f65b5184f7c8047a2fb7"><div class="ttname"><a href="classaudio__tools_1_1_audio_f_f_t_base.html#a737190d3d351f65b5184f7c8047a2fb7">audio_tools::AudioFFTBase::AudioFFTBase</a></div><div class="ttdeci">AudioFFTBase(FFTDriver *driver)</div><div class="ttdoc">Default Constructor. The len needs to be of the power of 2 (e.g. 512, 1024, 2048, 4096,...</div><div class="ttdef"><b>Definition:</b> AudioFFT.h:126</div></div>
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<div class="ttc" id="aclassaudio__tools_1_1_audio_f_f_t_base_html_ad360e5c2be36d28d74715e70f31a9f98"><div class="ttname"><a href="classaudio__tools_1_1_audio_f_f_t_base.html#ad360e5c2be36d28d74715e70f31a9f98">audio_tools::AudioFFTBase::driver</a></div><div class="ttdeci">FFTDriver * driver()</div><div class="ttdoc">provides access to the FFTDriver which implements the basic FFT functionality</div><div class="ttdef"><b>Definition:</b> AudioFFT.h:287</div></div>
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<div class="ttc" id="aclassaudio__tools_1_1_audio_kiss_f_f_t_html"><div class="ttname"><a href="classaudio__tools_1_1_audio_kiss_f_f_t.html">audio_tools::AudioKissFFT</a></div><div class="ttdoc">AudioFFT using FFTReal. The only specific functionality is the access to the dataArray.</div><div class="ttdef"><b>Definition:</b> AudioKissFFT.h:94</div></div>
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<div class="ttc" id="aclassaudio__tools_1_1_audio_kiss_f_f_t_html_a43c6d95f5f877b6958d5625bb91593fb"><div class="ttname"><a href="classaudio__tools_1_1_audio_kiss_f_f_t.html#a43c6d95f5f877b6958d5625bb91593fb">audio_tools::AudioKissFFT::dataArray</a></div><div class="ttdeci">kiss_fft_cpx * dataArray()</div><div class="ttdoc">Provides the complex array returned by the FFT</div><div class="ttdef"><b>Definition:</b> AudioKissFFT.h:99</div></div>
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<div class="ttc" id="aclassaudio__tools_1_1_f_f_t_driver_html"><div class="ttname"><a href="classaudio__tools_1_1_f_f_t_driver.html">audio_tools::FFTDriver</a></div><div class="ttdoc">Abstract Class which defines the basic FFT functionality.</div><div class="ttdef"><b>Definition:</b> AudioFFT.h:90</div></div>
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<div class="ttc" id="aclassaudio__tools_1_1_f_f_t_driver_kiss_f_f_t_html"><div class="ttname"><a href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html">audio_tools::FFTDriverKissFFT</a></div><div class="ttdoc">Driver for RealFFT.</div><div class="ttdef"><b>Definition:</b> AudioKissFFT.h:20</div></div>
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<div class="ttc" id="aclassaudio__tools_1_1_f_f_t_driver_kiss_f_f_t_html_a01f7d08ca15b0ebd7bb4d17101ba8d72"><div class="ttname"><a href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#a01f7d08ca15b0ebd7bb4d17101ba8d72">audio_tools::FFTDriverKissFFT::magnitudeFast</a></div><div class="ttdeci">float magnitudeFast(int idx) override</div><div class="ttdoc">magnitude w/o sqrt</div><div class="ttdef"><b>Definition:</b> AudioKissFFT.h:59</div></div>
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<div class="ttc" id="aclassaudio__tools_1_1_f_f_t_driver_kiss_f_f_t_html_a11592af256fefabe7c1e1cc9b8b516b6"><div class="ttname"><a href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#a11592af256fefabe7c1e1cc9b8b516b6">audio_tools::FFTDriverKissFFT::setValue</a></div><div class="ttdeci">void setValue(int idx, float value) override</div><div class="ttdoc">Sets the real value.</div><div class="ttdef"><b>Definition:</b> AudioKissFFT.h:39</div></div>
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<div class="ttc" id="aclassaudio__tools_1_1_f_f_t_driver_kiss_f_f_t_html_a1fd12da1f8f31de02ca0414c8d924c89"><div class="ttname"><a href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#a1fd12da1f8f31de02ca0414c8d924c89">audio_tools::FFTDriverKissFFT::isReverseFFT</a></div><div class="ttdeci">bool isReverseFFT() override</div><div class="ttdoc">Returns true if reverse FFT is supported.</div><div class="ttdef"><b>Definition:</b> AudioKissFFT.h:65</div></div>
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<div class="ttc" id="aclassaudio__tools_1_1_f_f_t_driver_kiss_f_f_t_html_a219ebb44c4025db09eddc2d87689a84b"><div class="ttname"><a href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#a219ebb44c4025db09eddc2d87689a84b">audio_tools::FFTDriverKissFFT::setBin</a></div><div class="ttdeci">bool setBin(int pos, float real, float img) override</div><div class="ttdoc">sets the value of a bin</div><div class="ttdef"><b>Definition:</b> AudioKissFFT.h:69</div></div>
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<div class="ttc" id="aclassaudio__tools_1_1_f_f_t_driver_kiss_f_f_t_html_a42b872c1c5c7d3c253cd0f8c9d4dadcd"><div class="ttname"><a href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#a42b872c1c5c7d3c253cd0f8c9d4dadcd">audio_tools::FFTDriverKissFFT::getBin</a></div><div class="ttdeci">bool getBin(int pos, FFTBin &bin) override</div><div class="ttdoc">gets the value of a bin</div><div class="ttdef"><b>Definition:</b> AudioKissFFT.h:75</div></div>
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<div class="ttc" id="aclassaudio__tools_1_1_f_f_t_driver_kiss_f_f_t_html_a7adfa4b95180c0520f797ce976e9fb58"><div class="ttname"><a href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#a7adfa4b95180c0520f797ce976e9fb58">audio_tools::FFTDriverKissFFT::magnitude</a></div><div class="ttdeci">float magnitude(int idx) override</div><div class="ttdoc">Calculate the magnitude (fft result) at index (sqr(i² + r²))</div><div class="ttdef"><b>Definition:</b> AudioKissFFT.h:54</div></div>
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<div class="ttc" id="aclassaudio__tools_1_1_f_f_t_driver_kiss_f_f_t_html_ab08cf2f66075519cfdaddedcce92527f"><div class="ttname"><a href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#ab08cf2f66075519cfdaddedcce92527f">audio_tools::FFTDriverKissFFT::fft</a></div><div class="ttdeci">void fft() override</div><div class="ttdoc">Perform FFT.</div><div class="ttdef"><b>Definition:</b> AudioKissFFT.h:43</div></div>
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<div class="ttc" id="aclassaudio__tools_1_1_f_f_t_driver_kiss_f_f_t_html_add3df8e9c88c438537a87be3415ef2ba"><div class="ttname"><a href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#add3df8e9c88c438537a87be3415ef2ba">audio_tools::FFTDriverKissFFT::rfft</a></div><div class="ttdeci">void rfft() override</div><div class="ttdoc">Calculate reverse FFT.</div><div class="ttdef"><b>Definition:</b> AudioKissFFT.h:47</div></div>
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<div class="ttc" id="aclassaudio__tools_1_1_f_f_t_driver_kiss_f_f_t_html_aec550aae099c1a4afec6a9df3512ad21"><div class="ttname"><a href="classaudio__tools_1_1_f_f_t_driver_kiss_f_f_t.html#aec550aae099c1a4afec6a9df3512ad21">audio_tools::FFTDriverKissFFT::getValue</a></div><div class="ttdeci">float getValue(int idx) override</div><div class="ttdoc">Get result value from Reverse FFT.</div><div class="ttdef"><b>Definition:</b> AudioKissFFT.h:67</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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<div class="ttc" id="astructaudio__tools_1_1_f_f_t_bin_html"><div class="ttname"><a href="structaudio__tools_1_1_f_f_t_bin.html">audio_tools::FFTBin</a></div><div class="ttdoc">And individual FFT Bin.</div><div class="ttdef"><b>Definition:</b> AudioFFT.h:61</div></div>
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