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Merge branch 'release/1.0.5'
author Adam Stark <adamstark.uk@gmail.com>
date Fri, 18 Aug 2023 20:07:33 +0200
parents d6d9df2db3e1
children
comparison
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96:c58f01834337 117:ca2d83d29814
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24 <div id="projectname">BTrack - A Real-Time Beat Tracker 24 <div id="projectname">BTrack - A Real-Time Beat Tracker
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81 <li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li> </ul> 72 <li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li> </ul>
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84 <div class="header"> 75 <div class="header">
85 <div class="headertitle"> 76 <div class="headertitle"><div class="title">BTrack.h</div></div>
86 <div class="title">BTrack.h</div> </div>
87 </div><!--header--> 77 </div><!--header-->
88 <div class="contents"> 78 <div class="contents">
89 <a href="_b_track_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">//=======================================================================</span></div> 79 <a href="_b_track_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">//=======================================================================</span></div>
90 <div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="comment"></span><span class="comment">//=======================================================================</span></div> 80 <div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="comment"></span><span class="comment">//=======================================================================</span></div>
91 <div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;</div> 81 <div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> </div>
92 <div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#ifndef __BTRACK_H</span></div> 82 <div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#ifndef __BTRACK_H</span></div>
93 <div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define __BTRACK_H</span></div> 83 <div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#define __BTRACK_H</span></div>
94 <div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor"></span></div> 84 <div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
95 <div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_onset_detection_function_8h.html" title="A class for calculating onset detection functions.">OnsetDetectionFunction.h</a>&quot;</span></div> 85 <div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include &quot;<a class="code" href="_onset_detection_function_8h.html">OnsetDetectionFunction.h</a>&quot;</span></div>
96 <div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div> 86 <div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include &quot;<a class="code" href="_circular_buffer_8h.html">CircularBuffer.h</a>&quot;</span></div>
97 <div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;</div> 87 <div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include &lt;vector&gt;</span></div>
98 <div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="comment">//=======================================================================</span></div> 88 <div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> </div>
99 <div class="line"><a name="l00034"></a><span class="lineno"><a class="code" href="class_b_track.html"> 34</a></span>&#160;<span class="comment"></span><span class="keyword">class </span><a class="code" href="class_b_track.html">BTrack</a> {</div> 89 <div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="comment">//=======================================================================</span></div>
100 <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; </div> 90 <div class="line"><a id="l00035" name="l00035"></a><span class="lineno"><a class="line" href="class_b_track.html"> 35</a></span><span class="comment"></span><span class="keyword">class </span><a class="code hl_class" href="class_b_track.html">BTrack</a> {</div>
101 <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="keyword">public</span>:</div> 91 <div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
102 <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; </div> 92 <div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="keyword">public</span>:</div>
103 <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <span class="comment">//=======================================================================</span></div> 93 <div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> </div>
104 <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="comment"></span> <a class="code" href="class_b_track.html#a243ac408666ce0301fecd9b0a2a6f307">BTrack</a>();</div> 94 <div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="comment">//=======================================================================</span></div>
105 <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; </div> 95 <div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="comment"></span> <a class="code hl_function" href="class_b_track.html#a243ac408666ce0301fecd9b0a2a6f307">BTrack</a>();</div>
106 <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <a class="code" href="class_b_track.html#a243ac408666ce0301fecd9b0a2a6f307">BTrack</a>(<span class="keywordtype">int</span> hopSize_);</div> 96 <div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
107 <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; </div> 97 <div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <a class="code hl_function" href="class_b_track.html#a243ac408666ce0301fecd9b0a2a6f307">BTrack</a> (<span class="keywordtype">int</span> hopSize);</div>
108 <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <a class="code" href="class_b_track.html#a243ac408666ce0301fecd9b0a2a6f307">BTrack</a>(<span class="keywordtype">int</span> hopSize_,<span class="keywordtype">int</span> frameSize_);</div> 98 <div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> </div>
109 <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; </div> 99 <div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <a class="code hl_function" href="class_b_track.html#a243ac408666ce0301fecd9b0a2a6f307">BTrack</a> (<span class="keywordtype">int</span> hopSize, <span class="keywordtype">int</span> frameSize);</div>
110 <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="comment">//=======================================================================</span></div> 100 <div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> </div>
111 <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;<span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="class_b_track.html#a70244e9a5aa8f860533fa56f942b7ede">updateHopAndFrameSize</a>(<span class="keywordtype">int</span> hopSize_,<span class="keywordtype">int</span> frameSize_);</div> 101 <div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <a class="code hl_function" href="class_b_track.html#a386413d90e57d0a2cf7f18413338bbaf">~BTrack</a>();</div>
112 <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; </div> 102 <div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> </div>
113 <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="comment">//=======================================================================</span></div> 103 <div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="comment">//=======================================================================</span></div>
114 <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;<span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="class_b_track.html#abb7ce7253095e6f859ef7b30f06ce051">processAudioFrame</a>(<span class="keywordtype">double</span> *frame);</div> 104 <div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span><span class="comment"></span> <span class="keywordtype">void</span> <a class="code hl_function" href="class_b_track.html#adda9c1b3a9e3fc02accfacc9d144e33d">updateHopAndFrameSize</a> (<span class="keywordtype">int</span> hopSize, <span class="keywordtype">int</span> frameSize);</div>
115 <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; </div> 105 <div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> </div>
116 <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keywordtype">void</span> <a class="code" href="class_b_track.html#a6fab18732bef8c87152e93dec9e4f854">processOnsetDetectionFunctionSample</a>(<span class="keywordtype">double</span> sample);</div> 106 <div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="comment">//=======================================================================</span></div>
117 <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; </div> 107 <div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span><span class="comment"></span> <span class="keywordtype">void</span> <a class="code hl_function" href="class_b_track.html#abb7ce7253095e6f859ef7b30f06ce051">processAudioFrame</a> (<span class="keywordtype">double</span>* frame);</div>
118 <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="comment">//=======================================================================</span></div> 108 <div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> </div>
119 <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;<span class="comment"></span> <span class="keywordtype">int</span> <a class="code" href="class_b_track.html#ac06aa079977062bfa2930cdca45e69fb">getHopSize</a>();</div> 109 <div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordtype">void</span> <a class="code hl_function" href="class_b_track.html#a6fab18732bef8c87152e93dec9e4f854">processOnsetDetectionFunctionSample</a> (<span class="keywordtype">double</span> sample);</div>
120 <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; </div> 110 <div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div>
121 <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="class_b_track.html#ac92eaea0e42dd18c79de10bf852d7f4a">beatDueInCurrentFrame</a>();</div> 111 <div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="comment">//=======================================================================</span></div>
122 <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;</div> 112 <div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span><span class="comment"></span> <span class="keywordtype">int</span> <a class="code hl_function" href="class_b_track.html#ac06aa079977062bfa2930cdca45e69fb">getHopSize</a>();</div>
123 <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="keywordtype">double</span> <a class="code" href="class_b_track.html#a17cea0a4dff3908660e4117e9a6c42bb">getCurrentTempoEstimate</a>();</div> 113 <div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> </div>
124 <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; </div> 114 <div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="class_b_track.html#ac92eaea0e42dd18c79de10bf852d7f4a">beatDueInCurrentFrame</a>();</div>
125 <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="keywordtype">double</span> <a class="code" href="class_b_track.html#a7ccb5059d0f00e3217ea686e4c1e156d">getLatestCumulativeScoreValue</a>();</div> 115 <div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> </div>
126 <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; </div> 116 <div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordtype">double</span> <a class="code hl_function" href="class_b_track.html#a17cea0a4dff3908660e4117e9a6c42bb">getCurrentTempoEstimate</a>();</div>
127 <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="comment">//=======================================================================</span></div> 117 <div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> </div>
128 <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;<span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="class_b_track.html#a96cf4088e40dff66ce15ada1f671a186">setTempo</a>(<span class="keywordtype">double</span> tempo);</div> 118 <div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keywordtype">double</span> <a class="code hl_function" href="class_b_track.html#a7ccb5059d0f00e3217ea686e4c1e156d">getLatestCumulativeScoreValue</a>();</div>
129 <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; </div> 119 <div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> </div>
130 <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="keywordtype">void</span> <a class="code" href="class_b_track.html#a550829be9b4c58cd53195ec4900c7c71">fixTempo</a>(<span class="keywordtype">double</span> tempo);</div> 120 <div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="comment">//=======================================================================</span></div>
131 <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; </div> 121 <div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span><span class="comment"></span> <span class="keywordtype">void</span> <a class="code hl_function" href="class_b_track.html#a96cf4088e40dff66ce15ada1f671a186">setTempo</a> (<span class="keywordtype">double</span> tempo);</div>
132 <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keywordtype">void</span> <a class="code" href="class_b_track.html#a22917ea231d2efd5670a764dd5a98983">doNotFixTempo</a>();</div> 122 <div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> </div>
133 <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; </div> 123 <div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keywordtype">void</span> <a class="code hl_function" href="class_b_track.html#a550829be9b4c58cd53195ec4900c7c71">fixTempo</a> (<span class="keywordtype">double</span> tempo);</div>
134 <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="comment">//=======================================================================</span></div> 124 <div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> </div>
135 <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;<span class="comment"></span> <span class="keyword">static</span> <span class="keywordtype">double</span> <a class="code" href="class_b_track.html#aa66d0b9dfb4408e8cf84398f03b60a56">getBeatTimeInSeconds</a>(<span class="keywordtype">long</span> frameNumber,<span class="keywordtype">int</span> hopSize,<span class="keywordtype">int</span> fs);</div> 125 <div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordtype">void</span> <a class="code hl_function" href="class_b_track.html#a22917ea231d2efd5670a764dd5a98983">doNotFixTempo</a>();</div>
136 <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; </div> 126 <div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> </div>
137 <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="keyword">static</span> <span class="keywordtype">double</span> <a class="code" href="class_b_track.html#aa66d0b9dfb4408e8cf84398f03b60a56">getBeatTimeInSeconds</a>(<span class="keywordtype">int</span> frameNumber,<span class="keywordtype">int</span> hopSize,<span class="keywordtype">int</span> fs);</div> 127 <div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="comment">//=======================================================================</span></div>
138 <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; </div> 128 <div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span><span class="comment"></span> <span class="keyword">static</span> <span class="keywordtype">double</span> <a class="code hl_function" href="class_b_track.html#aa66d0b9dfb4408e8cf84398f03b60a56">getBeatTimeInSeconds</a> (<span class="keywordtype">long</span> frameNumber, <span class="keywordtype">int</span> hopSize, <span class="keywordtype">int</span> fs);</div>
139 <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; </div> 129 <div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> </div>
140 <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;<span class="keyword">private</span>:</div> 130 <div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span><span class="keyword">private</span>:</div>
141 <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; </div> 131 <div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> </div>
142 <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="keywordtype">void</span> initialise(<span class="keywordtype">int</span> hopSize_,<span class="keywordtype">int</span> frameSize_);</div> 132 <div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordtype">void</span> initialise (<span class="keywordtype">int</span> hopSize);</div>
143 <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; </div> 133 <div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> </div>
144 <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <span class="keywordtype">void</span> setHopSize(<span class="keywordtype">int</span> hopSize_);</div> 134 <div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="keywordtype">void</span> setHopSize (<span class="keywordtype">int</span> hopSize);</div>
145 <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; </div> 135 <div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> </div>
146 <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="keywordtype">void</span> resampleOnsetDetectionFunction();</div> 136 <div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="keywordtype">void</span> resampleOnsetDetectionFunction();</div>
147 <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; </div> 137 <div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> </div>
148 <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="keywordtype">void</span> updateCumulativeScore(<span class="keywordtype">double</span> odfSample);</div> 138 <div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="keywordtype">void</span> updateCumulativeScore (<span class="keywordtype">double</span> onsetDetectionFunctionSample);</div>
149 <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; </div> 139 <div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> </div>
150 <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="keywordtype">void</span> predictBeat();</div> 140 <div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keywordtype">void</span> predictBeat();</div>
151 <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; </div> 141 <div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> </div>
152 <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <span class="keywordtype">void</span> calculateTempo();</div> 142 <div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="keywordtype">void</span> calculateTempo();</div>
153 <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; </div> 143 <div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> </div>
154 <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <span class="keywordtype">void</span> adaptiveThreshold(<span class="keywordtype">double</span> *x,<span class="keywordtype">int</span> N);</div> 144 <div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordtype">void</span> adaptiveThreshold (std::vector&lt;double&gt;&amp; x);</div>
155 <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; </div> 145 <div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> </div>
156 <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; <span class="keywordtype">double</span> calculateMeanOfArray(<span class="keywordtype">double</span> *array,<span class="keywordtype">int</span> startIndex,<span class="keywordtype">int</span> endIndex);</div> 146 <div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keywordtype">double</span> calculateMeanOfVector (std::vector&lt;double&gt;&amp; vector, <span class="keywordtype">int</span> startIndex, <span class="keywordtype">int</span> endIndex);</div>
157 <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; </div> 147 <div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> </div>
158 <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="keywordtype">void</span> normaliseArray(<span class="keywordtype">double</span> *array,<span class="keywordtype">int</span> N);</div> 148 <div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keywordtype">void</span> normaliseVector (std::vector&lt;double&gt;&amp; vector);</div>
159 <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; </div> 149 <div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> </div>
160 <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <span class="keywordtype">void</span> calculateBalancedACF(<span class="keywordtype">double</span> *onsetDetectionFunction);</div> 150 <div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="keywordtype">void</span> calculateBalancedACF (std::vector&lt;double&gt;&amp; onsetDetectionFunction);</div>
161 <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; </div> 151 <div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> </div>
162 <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <span class="keywordtype">void</span> calculateOutputOfCombFilterBank();</div> 152 <div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="keywordtype">void</span> calculateOutputOfCombFilterBank();</div>
163 <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; </div> 153 <div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> </div>
164 <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; <span class="comment">//=======================================================================</span></div> 154 <div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keywordtype">void</span> createLogGaussianTransitionWeighting (<span class="keywordtype">double</span>* weightingArray, <span class="keywordtype">int</span> numSamples, <span class="keywordtype">double</span> beatPeriod);</div>
165 <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160;</div> 155 <div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> </div>
166 <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <a class="code" href="class_onset_detection_function.html">OnsetDetectionFunction</a> odf;</div> 156 <div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
167 <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; </div> 157 <div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="keywordtype">double</span> calculateNewCumulativeScoreValue (T cumulativeScoreArray, <span class="keywordtype">double</span>* logGaussianTransitionWeighting, <span class="keywordtype">int</span> startIndex, <span class="keywordtype">int</span> endIndex, <span class="keywordtype">double</span> onsetDetectionFunctionSample, <span class="keywordtype">double</span> alphaWeightingFactor);</div>
168 <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <span class="comment">//=======================================================================</span></div> 158 <div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> </div>
169 <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; <span class="comment">// buffers</span></div> 159 <div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <span class="comment">//=======================================================================</span></div>
170 <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; </div> 160 <div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> </div>
171 <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; std::vector&lt;double&gt; onsetDF; </div> 161 <div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <a class="code hl_class" href="class_onset_detection_function.html">OnsetDetectionFunction</a> odf;</div>
172 <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; std::vector&lt;double&gt; cumulativeScore; </div> 162 <div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> </div>
173 <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <span class="keywordtype">double</span> resampledOnsetDF[512]; </div> 163 <div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="comment">//=======================================================================</span></div>
174 <div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; <span class="keywordtype">double</span> acf[512]; </div> 164 <div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="comment">// buffers</span></div>
175 <div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; <span class="keywordtype">double</span> weightingVector[128]; </div> 165 <div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> </div>
176 <div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; <span class="keywordtype">double</span> combFilterBankOutput[128]; </div> 166 <div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <a class="code hl_class" href="class_circular_buffer.html">CircularBuffer</a> onsetDF; </div>
177 <div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; <span class="keywordtype">double</span> tempoObservationVector[41]; </div> 167 <div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <a class="code hl_class" href="class_circular_buffer.html">CircularBuffer</a> cumulativeScore; </div>
178 <div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; <span class="keywordtype">double</span> delta[41]; </div> 168 <div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> std::vector&lt;double&gt; resampledOnsetDF; </div>
179 <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; <span class="keywordtype">double</span> prevDelta[41]; </div> 169 <div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> std::vector&lt;double&gt; acf; </div>
180 <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; <span class="keywordtype">double</span> prevDeltaFixed[41]; </div> 170 <div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> std::vector&lt;double&gt; weightingVector; </div>
181 <div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; <span class="keywordtype">double</span> tempoTransitionMatrix[41][41]; </div> 171 <div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> std::vector&lt;double&gt; combFilterBankOutput; </div>
182 <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; <span class="comment">//=======================================================================</span></div> 172 <div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> std::vector&lt;double&gt; tempoObservationVector; </div>
183 <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; <span class="comment">// parameters</span></div> 173 <div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> std::vector&lt;double&gt; delta; </div>
184 <div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; </div> 174 <div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> std::vector&lt;double&gt; prevDelta; </div>
185 <div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; </div> 175 <div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> std::vector&lt;double&gt; prevDeltaFixed; </div>
186 <div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; <span class="keywordtype">double</span> tightness; </div> 176 <div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keywordtype">double</span> tempoTransitionMatrix[41][41]; </div>
187 <div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; <span class="keywordtype">double</span> alpha; </div> 177 <div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="comment">//=======================================================================</span></div>
188 <div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; <span class="keywordtype">double</span> beatPeriod; </div> 178 <div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="comment">// parameters</span></div>
189 <div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; <span class="keywordtype">double</span> tempo; </div> 179 <div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> </div>
190 <div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; <span class="keywordtype">double</span> estimatedTempo; </div> 180 <div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="keywordtype">double</span> tightness; </div>
191 <div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; <span class="keywordtype">double</span> latestCumulativeScoreValue; </div> 181 <div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> <span class="keywordtype">double</span> alpha; </div>
192 <div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; <span class="keywordtype">double</span> tempoToLagFactor; </div> 182 <div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <span class="keywordtype">double</span> beatPeriod; </div>
193 <div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; <span class="keywordtype">int</span> m0; </div> 183 <div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="keywordtype">double</span> estimatedTempo; </div>
194 <div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; <span class="keywordtype">int</span> beatCounter; </div> 184 <div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="keywordtype">int</span> timeToNextPrediction; </div>
195 <div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; <span class="keywordtype">int</span> hopSize; </div> 185 <div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <span class="keywordtype">int</span> timeToNextBeat; </div>
196 <div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; <span class="keywordtype">int</span> onsetDFBufferSize; </div> 186 <div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <span class="keywordtype">int</span> hopSize; </div>
197 <div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; <span class="keywordtype">bool</span> tempoFixed; </div> 187 <div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keywordtype">int</span> onsetDFBufferSize; </div>
198 <div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; <span class="keywordtype">bool</span> beatDueInFrame; </div> 188 <div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keywordtype">bool</span> tempoFixed; </div>
199 <div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160;};</div> 189 <div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keywordtype">bool</span> beatDueInFrame; </div>
200 <div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160;</div> 190 <div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <span class="keywordtype">int</span> FFTLengthForACFCalculation; </div>
201 <div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160;<span class="preprocessor">#endif</span></div> 191 <div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span><span class="preprocessor">#ifdef USE_FFTW</span></div>
192 <div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> fftw_plan acfForwardFFT; </div>
193 <div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> fftw_plan acfBackwardFFT; </div>
194 <div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> fftw_complex* complexIn; </div>
195 <div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> fftw_complex* complexOut; </div>
196 <div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span><span class="preprocessor">#endif</span></div>
197 <div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> </div>
198 <div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span><span class="preprocessor">#ifdef USE_KISS_FFT</span></div>
199 <div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> kiss_fft_cfg cfgForwards; </div>
200 <div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> kiss_fft_cfg cfgBackwards; </div>
201 <div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> kiss_fft_cpx* fftIn; </div>
202 <div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> kiss_fft_cpx* fftOut; </div>
203 <div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span><span class="preprocessor">#endif</span></div>
204 <div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> </div>
205 <div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span>};</div>
206 <div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> </div>
207 <div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span><span class="preprocessor">#endif</span></div>
208 <div class="ttc" id="a_circular_buffer_8h_html"><div class="ttname"><a href="_circular_buffer_8h.html">CircularBuffer.h</a></div><div class="ttdoc">A circular buffer.</div></div>
209 <div class="ttc" id="a_onset_detection_function_8h_html"><div class="ttname"><a href="_onset_detection_function_8h.html">OnsetDetectionFunction.h</a></div><div class="ttdoc">A class for calculating onset detection functions.</div></div>
210 <div class="ttc" id="aclass_b_track_html"><div class="ttname"><a href="class_b_track.html">BTrack</a></div><div class="ttdef"><b>Definition</b> BTrack.h:35</div></div>
211 <div class="ttc" id="aclass_b_track_html_a17cea0a4dff3908660e4117e9a6c42bb"><div class="ttname"><a href="class_b_track.html#a17cea0a4dff3908660e4117e9a6c42bb">BTrack::getCurrentTempoEstimate</a></div><div class="ttdeci">double getCurrentTempoEstimate()</div><div class="ttdef"><b>Definition</b> BTrack.cpp:192</div></div>
212 <div class="ttc" id="aclass_b_track_html_a22917ea231d2efd5670a764dd5a98983"><div class="ttname"><a href="class_b_track.html#a22917ea231d2efd5670a764dd5a98983">BTrack::doNotFixTempo</a></div><div class="ttdeci">void doNotFixTempo()</div><div class="ttdef"><b>Definition</b> BTrack.cpp:340</div></div>
213 <div class="ttc" id="aclass_b_track_html_a243ac408666ce0301fecd9b0a2a6f307"><div class="ttname"><a href="class_b_track.html#a243ac408666ce0301fecd9b0a2a6f307">BTrack::BTrack</a></div><div class="ttdeci">BTrack()</div><div class="ttdef"><b>Definition</b> BTrack.cpp:30</div></div>
214 <div class="ttc" id="aclass_b_track_html_a386413d90e57d0a2cf7f18413338bbaf"><div class="ttname"><a href="class_b_track.html#a386413d90e57d0a2cf7f18413338bbaf">BTrack::~BTrack</a></div><div class="ttdeci">~BTrack()</div><div class="ttdef"><b>Definition</b> BTrack.cpp:51</div></div>
215 <div class="ttc" id="aclass_b_track_html_a550829be9b4c58cd53195ec4900c7c71"><div class="ttname"><a href="class_b_track.html#a550829be9b4c58cd53195ec4900c7c71">BTrack::fixTempo</a></div><div class="ttdeci">void fixTempo(double tempo)</div><div class="ttdef"><b>Definition</b> BTrack.cpp:314</div></div>
216 <div class="ttc" id="aclass_b_track_html_a6fab18732bef8c87152e93dec9e4f854"><div class="ttname"><a href="class_b_track.html#a6fab18732bef8c87152e93dec9e4f854">BTrack::processOnsetDetectionFunctionSample</a></div><div class="ttdeci">void processOnsetDetectionFunctionSample(double sample)</div><div class="ttdef"><b>Definition</b> BTrack.cpp:220</div></div>
217 <div class="ttc" id="aclass_b_track_html_a7ccb5059d0f00e3217ea686e4c1e156d"><div class="ttname"><a href="class_b_track.html#a7ccb5059d0f00e3217ea686e4c1e156d">BTrack::getLatestCumulativeScoreValue</a></div><div class="ttdeci">double getLatestCumulativeScoreValue()</div><div class="ttdef"><b>Definition</b> BTrack.cpp:204</div></div>
218 <div class="ttc" id="aclass_b_track_html_a96cf4088e40dff66ce15ada1f671a186"><div class="ttname"><a href="class_b_track.html#a96cf4088e40dff66ce15ada1f671a186">BTrack::setTempo</a></div><div class="ttdeci">void setTempo(double tempo)</div><div class="ttdef"><b>Definition</b> BTrack.cpp:256</div></div>
219 <div class="ttc" id="aclass_b_track_html_aa66d0b9dfb4408e8cf84398f03b60a56"><div class="ttname"><a href="class_b_track.html#aa66d0b9dfb4408e8cf84398f03b60a56">BTrack::getBeatTimeInSeconds</a></div><div class="ttdeci">static double getBeatTimeInSeconds(long frameNumber, int hopSize, int fs)</div><div class="ttdef"><b>Definition</b> BTrack.cpp:70</div></div>
220 <div class="ttc" id="aclass_b_track_html_abb7ce7253095e6f859ef7b30f06ce051"><div class="ttname"><a href="class_b_track.html#abb7ce7253095e6f859ef7b30f06ce051">BTrack::processAudioFrame</a></div><div class="ttdeci">void processAudioFrame(double *frame)</div><div class="ttdef"><b>Definition</b> BTrack.cpp:210</div></div>
221 <div class="ttc" id="aclass_b_track_html_ac06aa079977062bfa2930cdca45e69fb"><div class="ttname"><a href="class_b_track.html#ac06aa079977062bfa2930cdca45e69fb">BTrack::getHopSize</a></div><div class="ttdeci">int getHopSize()</div><div class="ttdef"><b>Definition</b> BTrack.cpp:198</div></div>
222 <div class="ttc" id="aclass_b_track_html_ac92eaea0e42dd18c79de10bf852d7f4a"><div class="ttname"><a href="class_b_track.html#ac92eaea0e42dd18c79de10bf852d7f4a">BTrack::beatDueInCurrentFrame</a></div><div class="ttdeci">bool beatDueInCurrentFrame()</div><div class="ttdef"><b>Definition</b> BTrack.cpp:186</div></div>
223 <div class="ttc" id="aclass_b_track_html_adda9c1b3a9e3fc02accfacc9d144e33d"><div class="ttname"><a href="class_b_track.html#adda9c1b3a9e3fc02accfacc9d144e33d">BTrack::updateHopAndFrameSize</a></div><div class="ttdeci">void updateHopAndFrameSize(int hopSize, int frameSize)</div><div class="ttdef"><b>Definition</b> BTrack.cpp:176</div></div>
224 <div class="ttc" id="aclass_circular_buffer_html"><div class="ttname"><a href="class_circular_buffer.html">CircularBuffer</a></div><div class="ttdef"><b>Definition</b> CircularBuffer.h:34</div></div>
225 <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>
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