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| author | Adam Stark <adamstark.uk@gmail.com> |
|---|---|
| date | Fri, 18 Aug 2023 10:48:26 +0200 |
| parents | ae3ec9b14092 |
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en-US"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=11"/> <meta name="generator" content="Doxygen 1.9.7"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>BTrack - A Real-Time Beat Tracker: src/OnsetDetectionFunction.h Source File</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> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not 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class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">//=======================================================================</span></div> <div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="comment"></span><span class="comment">//=======================================================================</span></div> <div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> </div> <div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#ifndef __ONSETDETECTIONFUNCTION_H</span></div> <div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#define __ONSETDETECTIONFUNCTION_H</span></div> <div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div> <div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#ifdef USE_FFTW</span></div> <div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "fftw3.h"</span></div> <div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#endif</span></div> <div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> </div> <div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#ifdef USE_KISS_FFT</span></div> <div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include "kiss_fft.h"</span></div> <div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#endif</span></div> <div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div> <div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include <vector></span></div> <div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div> <div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="comment">//=======================================================================</span></div> <div class="line"><a id="l00037" name="l00037"></a><span class="lineno"><a class="line" href="_onset_detection_function_8h.html#a36dbf81d14d771e0712d0316ec06612b"> 37</a></span><span class="comment"></span><span class="keyword">enum</span> <a class="code hl_enumeration" href="_onset_detection_function_8h.html#a36dbf81d14d771e0712d0316ec06612b">OnsetDetectionFunctionType</a></div> <div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span>{</div> <div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> EnergyEnvelope,</div> <div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> EnergyDifference,</div> <div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> SpectralDifference,</div> <div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> SpectralDifferenceHWR,</div> <div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> PhaseDeviation,</div> <div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> ComplexSpectralDifference,</div> <div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> ComplexSpectralDifferenceHWR,</div> <div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> HighFrequencyContent,</div> <div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> HighFrequencySpectralDifference,</div> <div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> HighFrequencySpectralDifferenceHWR</div> <div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span>};</div> <div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> </div> <div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span><span class="comment">//=======================================================================</span></div> <div class="line"><a id="l00053" name="l00053"></a><span class="lineno"><a class="line" href="_onset_detection_function_8h.html#a476342970f954b62d70552bcbb5ee509"> 53</a></span><span class="comment"></span><span class="keyword">enum</span> <a class="code hl_enumeration" href="_onset_detection_function_8h.html#a476342970f954b62d70552bcbb5ee509">WindowType</a></div> <div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span>{</div> <div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> RectangularWindow,</div> <div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> HanningWindow,</div> <div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> HammingWindow,</div> <div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> BlackmanWindow,</div> <div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> TukeyWindow</div> <div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span>};</div> <div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> </div> <div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span><span class="comment">//=======================================================================</span></div> <div class="line"><a id="l00064" name="l00064"></a><span class="lineno"><a class="line" href="class_onset_detection_function.html"> 64</a></span><span class="comment"></span><span class="keyword">class </span><a class="code hl_class" href="class_onset_detection_function.html">OnsetDetectionFunction</a></div> <div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span>{</div> <div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span><span class="keyword">public</span>:</div> <div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> </div> <div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <a class="code hl_class" href="class_onset_detection_function.html">OnsetDetectionFunction</a> (<span class="keywordtype">int</span> hopSize, <span class="keywordtype">int</span> frameSize);</div> <div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> </div> <div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div> <div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <a class="code hl_class" href="class_onset_detection_function.html">OnsetDetectionFunction</a> (<span class="keywordtype">int</span> hopSize, <span class="keywordtype">int</span> frameSize, <span class="keywordtype">int</span> onsetDetectionFunctionType, <span class="keywordtype">int</span> windowType);</div> <div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> </div> <div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <a class="code hl_function" href="class_onset_detection_function.html#aa01f8125c950f3def45154878107e503">~OnsetDetectionFunction</a>();</div> <div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> </div> <div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keywordtype">void</span> <a class="code hl_function" href="class_onset_detection_function.html#a527d4f433d4f7bcd098b54190ee89297">initialise</a> (<span class="keywordtype">int</span> hopSize, <span class="keywordtype">int</span> frameSize);</div> <div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> </div> <div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="keywordtype">void</span> <a class="code hl_function" href="class_onset_detection_function.html#a527d4f433d4f7bcd098b54190ee89297">initialise</a> (<span class="keywordtype">int</span> hopSize, <span class="keywordtype">int</span> frameSize, <span class="keywordtype">int</span> onsetDetectionFunctionType, <span class="keywordtype">int</span> windowType);</div> <div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> </div> <div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keywordtype">double</span> <a class="code hl_function" href="class_onset_detection_function.html#a7b8fffe6221d3bd4f6cac82c17db0e92">calculateOnsetDetectionFunctionSample</a> (<span class="keywordtype">double</span>* buffer);</div> <div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> </div> <div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keywordtype">void</span> <a class="code hl_function" href="class_onset_detection_function.html#ac607feee669f3d3f4015662eec717f6a">setOnsetDetectionFunctionType</a> (<span class="keywordtype">int</span> onsetDetectionFunctionType);</div> <div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> </div> <div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span><span class="keyword">private</span>:</div> <div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> </div> <div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keywordtype">void</span> performFFT();</div> <div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div> <div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="comment">//=======================================================================</span></div> <div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span><span class="comment"></span> <span class="keywordtype">double</span> energyEnvelope();</div> <div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> </div> <div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keywordtype">double</span> energyDifference();</div> <div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> </div> <div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keywordtype">double</span> spectralDifference();</div> <div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> </div> <div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keywordtype">double</span> spectralDifferenceHWR();</div> <div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> </div> <div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="keywordtype">double</span> phaseDeviation();</div> <div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> </div> <div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keywordtype">double</span> complexSpectralDifference();</div> <div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> </div> <div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="keywordtype">double</span> complexSpectralDifferenceHWR();</div> <div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> </div> <div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keywordtype">double</span> highFrequencyContent();</div> <div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> </div> <div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordtype">double</span> highFrequencySpectralDifference();</div> <div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> </div> <div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordtype">double</span> highFrequencySpectralDifferenceHWR();</div> <div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> </div> <div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <span class="comment">//=======================================================================</span></div> <div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span><span class="comment"></span> <span class="keywordtype">void</span> calculateRectangularWindow();</div> <div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> </div> <div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="keywordtype">void</span> calculateHanningWindow();</div> <div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> </div> <div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keywordtype">void</span> calclulateHammingWindow();</div> <div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> </div> <div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="keywordtype">void</span> calculateBlackmanWindow();</div> <div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> </div> <div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="keywordtype">void</span> calculateTukeyWindow();</div> <div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> </div> <div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="comment">//=======================================================================</span></div> <div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span><span class="comment"></span> <span class="keywordtype">double</span> princarg(<span class="keywordtype">double</span> phaseVal);</div> <div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> </div> <div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="keywordtype">void</span> initialiseFFT();</div> <div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="keywordtype">void</span> freeFFT();</div> <div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> </div> <div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="keywordtype">double</span> pi; </div> <div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <span class="keywordtype">int</span> frameSize; </div> <div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="keywordtype">int</span> hopSize; </div> <div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="keywordtype">int</span> onsetDetectionFunctionType; </div> <div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="keywordtype">int</span> windowType; </div> <div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <span class="comment">//=======================================================================</span></div> <div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span><span class="preprocessor">#ifdef USE_FFTW</span></div> <div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> fftw_plan p; </div> <div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> fftw_complex* complexIn; </div> <div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> fftw_complex* complexOut; </div> <div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span><span class="preprocessor">#endif</span></div> <div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> </div> <div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span><span class="preprocessor">#ifdef USE_KISS_FFT</span></div> <div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> kiss_fft_cfg cfg; </div> <div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> kiss_fft_cpx* fftIn; </div> <div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> kiss_fft_cpx* fftOut; </div> <div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> std::vector<std::vector<double> > complexOut;</div> <div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span><span class="preprocessor">#endif</span></div> <div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> </div> <div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="comment">//=======================================================================</span></div> <div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="keywordtype">bool</span> initialised; </div> <div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> std::vector<double> frame; </div> <div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> std::vector<double> window; </div> <div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="keywordtype">double</span> prevEnergySum; </div> <div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> std::vector<double> magSpec; </div> <div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> std::vector<double> prevMagSpec; </div> <div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> std::vector<double> phase; </div> <div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> std::vector<double> prevPhase; </div> <div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> std::vector<double> prevPhase2; </div> <div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span>};</div> <div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> </div> <div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> </div> <div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span><span class="preprocessor">#endif</span></div> <div class="ttc" id="a_onset_detection_function_8h_html_a36dbf81d14d771e0712d0316ec06612b"><div class="ttname"><a href="_onset_detection_function_8h.html#a36dbf81d14d771e0712d0316ec06612b">OnsetDetectionFunctionType</a></div><div class="ttdeci">OnsetDetectionFunctionType</div><div class="ttdef"><b>Definition</b> OnsetDetectionFunction.h:38</div></div> <div class="ttc" id="a_onset_detection_function_8h_html_a476342970f954b62d70552bcbb5ee509"><div class="ttname"><a href="_onset_detection_function_8h.html#a476342970f954b62d70552bcbb5ee509">WindowType</a></div><div class="ttdeci">WindowType</div><div class="ttdef"><b>Definition</b> OnsetDetectionFunction.h:54</div></div> <div class="ttc" id="aclass_onset_detection_function_html"><div class="ttname"><a href="class_onset_detection_function.html">OnsetDetectionFunction</a></div><div class="ttdef"><b>Definition</b> OnsetDetectionFunction.h:65</div></div> <div class="ttc" id="aclass_onset_detection_function_html_a527d4f433d4f7bcd098b54190ee89297"><div class="ttname"><a href="class_onset_detection_function.html#a527d4f433d4f7bcd098b54190ee89297">OnsetDetectionFunction::initialise</a></div><div class="ttdeci">void initialise(int hopSize, int frameSize)</div><div class="ttdef"><b>Definition</b> OnsetDetectionFunction.cpp:64</div></div> <div class="ttc" id="aclass_onset_detection_function_html_a7b8fffe6221d3bd4f6cac82c17db0e92"><div class="ttname"><a href="class_onset_detection_function.html#a7b8fffe6221d3bd4f6cac82c17db0e92">OnsetDetectionFunction::calculateOnsetDetectionFunctionSample</a></div><div class="ttdeci">double calculateOnsetDetectionFunctionSample(double *buffer)</div><div class="ttdef"><b>Definition</b> OnsetDetectionFunction.cpp:179</div></div> <div class="ttc" id="aclass_onset_detection_function_html_aa01f8125c950f3def45154878107e503"><div class="ttname"><a href="class_onset_detection_function.html#aa01f8125c950f3def45154878107e503">OnsetDetectionFunction::~OnsetDetectionFunction</a></div><div class="ttdeci">~OnsetDetectionFunction()</div><div class="ttdef"><b>Definition</b> OnsetDetectionFunction.cpp:55</div></div> <div class="ttc" id="aclass_onset_detection_function_html_ac607feee669f3d3f4015662eec717f6a"><div class="ttname"><a href="class_onset_detection_function.html#ac607feee669f3d3f4015662eec717f6a">OnsetDetectionFunction::setOnsetDetectionFunctionType</a></div><div class="ttdeci">void setOnsetDetectionFunctionType(int onsetDetectionFunctionType)</div><div class="ttdef"><b>Definition</b> OnsetDetectionFunction.cpp:173</div></div> </div><!-- fragment --></div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated by <a href="https://www.doxygen.org/index.html"><img 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