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Added a function to allow updates to the hop and frame size of the beat tracker
author Adam <adamstark.uk@gmail.com>
date Tue, 28 Jan 2014 00:31:17 +0000
parents deb49a2590f3
children 687b8dd41934
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<div class="title">OnsetDetectionFunction.h</div>  </div>
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<a href="_onset_detection_function_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>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"></span><span class="comment">//=======================================================================</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#ifndef __ONSETDETECTIONFUNCTION_H</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define __ONSETDETECTIONFUNCTION_H</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#include &quot;fftw3.h&quot;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment">//=======================================================================</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"><a class="code" href="_onset_detection_function_8h.html#a36dbf81d14d771e0712d0316ec06612b">   30</a></span>&#160;<span class="comment"></span><span class="keyword">enum</span> <a class="code" href="_onset_detection_function_8h.html#a36dbf81d14d771e0712d0316ec06612b">OnsetDetectionFunctionType</a></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;{</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    EnergyEnvelope,</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;    EnergyDifference,</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;    SpectralDifference,</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    SpectralDifferenceHWR,</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;    PhaseDeviation,</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    ComplexSpectralDifference,</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    ComplexSpectralDifferenceHWR,</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    HighFrequencyContent,</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    HighFrequencySpectralDifference,</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    HighFrequencySpectralDifferenceHWR</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;};</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="comment">//=======================================================================</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="code" href="_onset_detection_function_8h.html#a476342970f954b62d70552bcbb5ee509">   46</a></span>&#160;<span class="comment"></span><span class="keyword">enum</span> <a class="code" href="_onset_detection_function_8h.html#a476342970f954b62d70552bcbb5ee509">WindowType</a></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;{</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    RectangularWindow,</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    HanningWindow,</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    HammingWindow,</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    BlackmanWindow,</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    TukeyWindow</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;};</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="comment">//=======================================================================</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"><a class="code" href="class_onset_detection_function.html">   57</a></span>&#160;<span class="comment"></span><span class="keyword">class </span><a class="code" href="class_onset_detection_function.html">OnsetDetectionFunction</a></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;{</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    </div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    <a class="code" href="class_onset_detection_function.html#a7b4e4ab1b0be5f57682c52141eb959d6">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 name="l00068"></a><span class="lineno">   68</span>&#160;    </div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    <a class="code" href="class_onset_detection_function.html#aa01f8125c950f3def45154878107e503">~OnsetDetectionFunction</a>();</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    </div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="class_onset_detection_function.html#a654ed22782f6dc62e8347df44c90fbeb">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 name="l00079"></a><span class="lineno">   79</span>&#160;    </div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    <span class="keywordtype">double</span> <a class="code" href="class_onset_detection_function.html#a7b8fffe6221d3bd4f6cac82c17db0e92">calculateOnsetDetectionFunctionSample</a>(<span class="keywordtype">double</span> *buffer);</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    </div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="class_onset_detection_function.html#a51fdab443155aaaa935956645e8f9131">setOnsetDetectionFunctionType</a>(<span class="keywordtype">int</span> onsetDetectionFunctionType_);</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    </div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    </div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    <span class="keywordtype">void</span> performFFT();</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    <span class="comment">//=======================================================================</span></div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="comment"></span>    <span class="keywordtype">double</span> energyEnvelope();</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    </div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    <span class="keywordtype">double</span> energyDifference();</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    </div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    <span class="keywordtype">double</span> spectralDifference();</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    </div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;    <span class="keywordtype">double</span> spectralDifferenceHWR();</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    </div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    <span class="keywordtype">double</span> phaseDeviation();</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;    </div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    <span class="keywordtype">double</span> complexSpectralDifference();</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    </div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    <span class="keywordtype">double</span> complexSpectralDifferenceHWR();</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    </div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    <span class="keywordtype">double</span> highFrequencyContent();</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;    </div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    <span class="keywordtype">double</span> highFrequencySpectralDifference();</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;    </div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;    <span class="keywordtype">double</span> highFrequencySpectralDifferenceHWR();</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;    <span class="comment">//=======================================================================</span></div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;<span class="comment"></span>    <span class="keywordtype">void</span> calculateRectangularWindow();</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    </div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;    <span class="keywordtype">void</span> calculateHanningWindow();</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    </div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    <span class="keywordtype">void</span> calclulateHammingWindow();</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    </div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    <span class="keywordtype">void</span> calculateBlackmanWindow();</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    </div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;    <span class="keywordtype">void</span> calculateTukeyWindow();</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;    <span class="comment">//=======================================================================</span></div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;<span class="comment"></span>    <span class="keywordtype">double</span> princarg(<span class="keywordtype">double</span> phaseVal);</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;    </div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;    </div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;    <span class="keywordtype">double</span> pi;                          </div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;    <span class="keywordtype">int</span> frameSize;                      </div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    <span class="keywordtype">int</span> hopSize;                        </div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    <span class="keywordtype">int</span> onsetDetectionFunctionType;     </div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    fftw_plan p;                        </div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;    fftw_complex *complexIn;            </div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;    fftw_complex *complexOut;           </div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;    <span class="keywordtype">bool</span> initialised;                   </div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;    std::vector&lt;double&gt; frame;          </div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;    std::vector&lt;double&gt; window;         </div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;    <span class="keywordtype">double</span> prevEnergySum;               </div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;    std::vector&lt;double&gt; magSpec;        </div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;    std::vector&lt;double&gt; prevMagSpec;    </div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;    std::vector&lt;double&gt; phase;          </div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    std::vector&lt;double&gt; prevPhase;      </div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;    std::vector&lt;double&gt; prevPhase2;     </div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;};</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;<span class="preprocessor">#endif</span></div>
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