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<a href="_l_f_o_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>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> ==============================================================================</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> </span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> This file is part of the iPlug 2 library. Copyright (C) the iPlug 2 developers. </span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> </span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> See LICENSE.txt for more info.</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> </span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> ==============================================================================</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">*/</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span> </div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include "Oscillator.h"</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span>BEGIN_IPLUG_NAMESPACE</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">#define LFO_TEMPODIV_VALIST "1/64"</span>, "1/32", "1/16T", "1/16", "1/16D", "1/8T", "1/8", "1/8D", "1/4", "1/4D", "1/2", "1/1", "2/1", "4/1", "8/1"</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#define LFO_SHAPE_VALIST "Triangle"</span>, "Square", "Ramp Up", "Ramp Down", "Sine"</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="keyword">template</span><<span class="keyword">typename</span> T = <span class="keywordtype">double</span>></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"><a class="line" href="class_l_f_o.html"> 27</a></span><span class="keyword">class </span><a class="code hl_class" href="class_l_f_o.html">LFO</a> : <span class="keyword">public</span> <a class="code hl_class" href="class_i_oscillator.html">IOscillator</a><T></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="keyword">public</span>:</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">enum</span> ETempoDivison</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> {</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> k64th = 0, <span class="comment">// 1 sixty fourth of a beat</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> k32nd, <span class="comment">// 1 thirty second of a beat</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> k16thT, <span class="comment">// 1 sixteenth note triplet</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> k16th, <span class="comment">// 1 sixteenth note</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> k16thD, <span class="comment">// 1 dotted sixteenth note</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> k8thT, <span class="comment">// 1 eighth note triplet</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> k8th, <span class="comment">// 1 eighth note</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> k8thD, <span class="comment">// 1 dotted eighth note</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> k4th, <span class="comment">// 1 quater note a.k.a 1 beat @ 4/4</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> k4thD, <span class="comment">// 1 dotted beat @ 4/4</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> k2th, <span class="comment">// 2 beats @ 4/4</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> k1, <span class="comment">// 1 bar @ 4/4</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> k2, <span class="comment">// 2 bars @ 4/4</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> k4, <span class="comment">// 4 bars @ 4/4</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> k8, <span class="comment">// 8 bars @ 4/4</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> kNumDivisions</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> };</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> <span class="keyword">enum</span> EShape</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> {</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> kTriangle,</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> kSquare,</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> kRampUp,</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> kRampDown,</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> kSine,</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> kNumShapes</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> };</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keyword">enum class</span> EPolarity</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> kUnipolar,</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> kBipolar</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> };</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">enum class</span> ERateMode</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> {</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> kHz,</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> kBPM</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> };</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> </div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"><a class="line" href="class_l_f_o.html#a8b85d3ba4274b549328c99ce6f6139fe"> 73</a></span> <span class="keyword">static</span> T <a class="code hl_function" href="class_l_f_o.html#a8b85d3ba4274b549328c99ce6f6139fe">GetQNScalar</a>(ETempoDivison division)</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> <span class="keyword">static</span> <span class="keyword">constexpr</span> T scalars[kNumDivisions] = {</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> 64. / 4., <span class="comment">// k64th = 0, // 1 sixty fourth of a beat</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> 32. / 4., <span class="comment">// k32nd, // 1 thirty second of a beat</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> 24. / 4., <span class="comment">// k16thT, // 1 sixteenth note triplet</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> 16. / 4., <span class="comment">// k16th, // 1 sixteenth note</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> 12. / 4., <span class="comment">// k16thD, // 1 dotted sixteenth note</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> 9. / 4., <span class="comment">// k8thT, // 1 eighth note triplet</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> 8. / 4., <span class="comment">// k8th, // 1 eighth note</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> 6 / 4., <span class="comment">// k8thD, // 1 dotted eighth note</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> 4. / 4., <span class="comment">// k4th, // 1 quater note a.k.a 1 beat @ 4/4</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> 3. / 4., <span class="comment">// k4thD, // 1 dotted beat @ 4/4</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> 2. / 4., <span class="comment">// k2th, // 2 beats @ 4/4</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> 1. / 4., <span class="comment">// k1, // 1 bar @ 4/4</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> 0.5 / 4., <span class="comment">// k2, // 2 bars @ 4/4</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> 0.25 / 4., <span class="comment">// k4, // 4 bars @ 4/4</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> 0.125 / 4., <span class="comment">// k8, // 8 bars @ 4/4</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> };</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keywordflow">return</span> scalars[division];</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> }</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"><a class="line" href="class_l_f_o.html#a119249e34bb20d84226fe74b67b516da"> 97</a></span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code hl_function" href="class_l_f_o.html#a119249e34bb20d84226fe74b67b516da">GetQNDisplay</a>(ETempoDivison division)</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> {</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* displays[kNumDivisions] = { LFO_TEMPODIV_VALIST };</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="keywordflow">return</span> displays[division];</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> }</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> </div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"><a class="line" href="class_l_f_o.html#af5ae4163da421c1aa8b5ff0c7551b6ff"> 104</a></span> <span class="keyword">inline</span> T <a class="code hl_function" href="class_l_f_o.html#af5ae4163da421c1aa8b5ff0c7551b6ff">Process</a>(<span class="keywordtype">double</span> freqHz)<span class="keyword"> override</span></div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <a class="code hl_class" href="class_i_oscillator.html">IOscillator<T>::SetFreqCPS</a>(freqHz);</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <a class="code hl_class" href="class_i_oscillator.html">IOscillator<T>::mPhase</a> = WrapPhase(<a class="code hl_class" href="class_i_oscillator.html">IOscillator<T>::mPhase</a> + <a class="code hl_class" href="class_i_oscillator.html">IOscillator<T>::mPhaseIncr</a>);</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keywordflow">return</span> DoProcess(<a class="code hl_class" href="class_i_oscillator.html">IOscillator<T>::mPhase</a>);</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> }</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="comment">/* Block process function */</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordtype">void</span> ProcessBlock(T* pOutput, <span class="keywordtype">int</span> nFrames, <span class="keywordtype">double</span> qnPos = 0., <span class="keywordtype">bool</span> transportIsRunning = <span class="keyword">false</span>, <span class="keywordtype">double</span> tempo = 120.)</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> {</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> T oneOverQNScalar = 1./mQNScalar;</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> T phase = <a class="code hl_class" href="class_i_oscillator.html">IOscillator<T>::mPhase</a>;</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="keywordflow">if</span>(mRateMode == ERateMode::kBPM && !transportIsRunning)</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <a class="code hl_class" href="class_i_oscillator.html">IOscillator<T>::SetFreqCPS</a>(tempo/60.);</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keywordtype">double</span> samplesPerBeat = <a class="code hl_class" href="class_i_oscillator.html">IOscillator<T>::mSampleRate</a> * (60.0 / (tempo == 0.0 ? 1.0 : tempo)); <span class="comment">// samples per beat</span></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> </div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> T phaseIncr = <a class="code hl_class" href="class_i_oscillator.html">IOscillator<T>::mPhaseIncr</a>;</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> </div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> s=0; s<nFrames; s++)</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> {</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="keywordtype">double</span> sampleAccurateQnPos = qnPos + ((double) s / samplesPerBeat);</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> </div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keywordflow">if</span>(mRateMode == ERateMode::kBPM)</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> {</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="keywordflow">if</span>(transportIsRunning)</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> phase = std::fmod(sampleAccurateQnPos, oneOverQNScalar) / oneOverQNScalar;</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> phase = WrapPhase(phase + (phaseIncr * mQNScalar));</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> }</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> phase = WrapPhase(phase + phaseIncr);</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> </div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> pOutput[s] = DoProcess(phase);</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> }</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> </div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <a class="code hl_class" href="class_i_oscillator.html">IOscillator<T>::mPhase</a> = phase;</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> }</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> </div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keywordtype">void</span> SetShape(<span class="keywordtype">int</span> lfoShape)</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> {</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> mShape = (EShape) <a class="code hl_function" href="group___i_plug_utilities.html#ga027ce10e55fc63bbe14430bb99ac9042">Clip</a>(lfoShape, 0, kNumShapes-1);</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> </div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keywordtype">void</span> SetPolarity(<span class="keywordtype">bool</span> bipolar)</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> {</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> mPolarity = bipolar ? EPolarity::kBipolar : EPolarity::kUnipolar;</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> }</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> </div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keywordtype">void</span> SetScalar(T scalar)</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> {</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> mLevelScalar = scalar;</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> }</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> </div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="keywordtype">void</span> SetQNScalar(T scalar)</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> {</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> mQNScalar = scalar;</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> }</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="keywordtype">void</span> SetQNScalarFromDivision(<span class="keywordtype">int</span> division)</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> {</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> mQNScalar = <a class="code hl_function" href="class_l_f_o.html#a8b85d3ba4274b549328c99ce6f6139fe">GetQNScalar</a>(<span class="keyword">static_cast<</span>ETempoDivison<span class="keyword">></span>(<a class="code hl_function" href="group___i_plug_utilities.html#ga027ce10e55fc63bbe14430bb99ac9042">Clip</a>(division, 0, (<span class="keywordtype">int</span>) kNumDivisions)));</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> }</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> </div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="keywordtype">void</span> SetRateMode(<span class="keywordtype">bool</span> sync)</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> mRateMode = sync ? ERateMode::kBPM : ERateMode::kHz;</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> }</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> T GetLastOutput()<span class="keyword"> const</span></div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <span class="keywordflow">return</span> mLastOutput;</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> }</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> </div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <span class="keyword">static</span> <span class="keyword">inline</span> T WrapPhase (T x, T lo = 0., T hi = 1.)</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> {</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <span class="keywordflow">while</span> (x >= hi)</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> x -= hi;</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keywordflow">while</span> (x < lo)</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> x += hi - lo;</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keywordflow">return</span> x;</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> </div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <span class="keyword">inline</span> T DoProcess(T phase)</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> {</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keyword">auto</span> triangle = [](T x){ <span class="keywordflow">return</span> (2. * (1. - std::abs((WrapPhase(x + 0.25) * 2.) -1.))) - 1.; };</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keyword">auto</span> triangleUnipolar = [](T x){ <span class="keywordflow">return</span> 1. - std::abs((x * 2.) - 1. ); };</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keyword">auto</span> square = [](T x){ <span class="keywordflow">return</span> std::copysign(1., x - 0.5); };</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="keyword">auto</span> squareUnipolar = [](T x){ <span class="keywordflow">return</span> std::copysign(0.5, x - 0.5) + 0.5; };</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="keyword">auto</span> rampup = [](T x){ <span class="keywordflow">return</span> (x * 2.) - 1.; };</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="keyword">auto</span> rampupUnipolar = [](T x){ <span class="keywordflow">return</span> x; };</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="keyword">auto</span> rampdown = [](T x){ <span class="keywordflow">return</span> ((1. - x) * 2.) - 1.; };</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> <span class="keyword">auto</span> rampdownUnipolar = [](T x){ <span class="keywordflow">return</span> 1. - x; };</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> </div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> T output = 0.;</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> </div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <span class="keywordflow">if</span>(mPolarity == EPolarity::kUnipolar)</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> {</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keywordflow">switch</span> (mShape) {</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keywordflow">case</span> kTriangle: output = triangleUnipolar(phase); <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keywordflow">case</span> kSquare: output = squareUnipolar(phase); <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <span class="keywordflow">case</span> kRampUp: output = rampupUnipolar(phase); <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <span class="keywordflow">case</span> kRampDown: output = rampdownUnipolar(phase); <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="keywordflow">case</span> kSine: output = (std::sin(phase * 6.283185307179586) * 0.5) + 0.5; <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="keywordflow">default</span>: <span class="keywordflow">break</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> }</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> {</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keywordflow">switch</span> (mShape) {</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="keywordflow">case</span> kTriangle: output = triangle(phase); <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="keywordflow">case</span> kSquare: output = square(phase); <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="keywordflow">case</span> kRampUp: output = rampup(phase); <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="keywordflow">case</span> kRampDown: output = rampdown(phase); <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <span class="keywordflow">case</span> kSine: output = std::sin(phase * 6.283185307179586); <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <span class="keywordflow">default</span>: <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> }</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> }</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> </div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> mLastOutput = output * mLevelScalar;</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> </div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="keywordflow">return</span> mLastOutput;</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> }</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> </div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> T mLastOutput = 0.;</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> T mLevelScalar = 1.; <span class="comment">// Non clipped, or smoothed scalar value</span></div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> T mQNScalar = 1.;</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> EShape mShape = EShape::kTriangle;</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> EPolarity mPolarity = EPolarity::kUnipolar;</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> ERateMode mRateMode = ERateMode::kHz;</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span>};</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> </div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span>END_IPLUG_NAMESPACE</div>
<div class="ttc" id="aclass_i_oscillator_html"><div class="ttname"><a href="class_i_oscillator.html">IOscillator</a></div><div class="ttdef"><b>Definition:</b> <a href="_oscillator_8h_source.html#l00018">Oscillator.h:19</a></div></div>
<div class="ttc" id="aclass_l_f_o_html"><div class="ttname"><a href="class_l_f_o.html">LFO</a></div><div class="ttdef"><b>Definition:</b> <a href="_l_f_o_8h_source.html#l00027">LFO.h:28</a></div></div>
<div class="ttc" id="aclass_l_f_o_html_a119249e34bb20d84226fe74b67b516da"><div class="ttname"><a href="class_l_f_o.html#a119249e34bb20d84226fe74b67b516da">LFO::GetQNDisplay</a></div><div class="ttdeci">static const char * GetQNDisplay(ETempoDivison division)</div><div class="ttdoc">Get a CString to display the divisor as text.</div><div class="ttdef"><b>Definition:</b> <a href="_l_f_o_8h_source.html#l00097">LFO.h:97</a></div></div>
<div class="ttc" id="aclass_l_f_o_html_a8b85d3ba4274b549328c99ce6f6139fe"><div class="ttname"><a href="class_l_f_o.html#a8b85d3ba4274b549328c99ce6f6139fe">LFO::GetQNScalar</a></div><div class="ttdeci">static T GetQNScalar(ETempoDivison division)</div><div class="ttdoc">Get the scalar factor to convert a ramp at the host BPM to tempo division value.</div><div class="ttdef"><b>Definition:</b> <a href="_l_f_o_8h_source.html#l00073">LFO.h:73</a></div></div>
<div class="ttc" id="aclass_l_f_o_html_af5ae4163da421c1aa8b5ff0c7551b6ff"><div class="ttname"><a href="class_l_f_o.html#af5ae4163da421c1aa8b5ff0c7551b6ff">LFO::Process</a></div><div class="ttdeci">T Process(double freqHz) override</div><div class="ttdoc">Per sample process function, updating frequency per sample.</div><div class="ttdef"><b>Definition:</b> <a href="_l_f_o_8h_source.html#l00104">LFO.h:104</a></div></div>
<div class="ttc" id="agroup___i_plug_utilities_html_ga027ce10e55fc63bbe14430bb99ac9042"><div class="ttname"><a href="group___i_plug_utilities.html#ga027ce10e55fc63bbe14430bb99ac9042">Clip</a></div><div class="ttdeci">BEGIN_IPLUG_NAMESPACE T Clip(T x, T lo, T hi)</div><div class="ttdoc">Clips the value x between lo and hi.</div><div class="ttdef"><b>Definition:</b> <a href="_i_plug_utilities_8h_source.html#l00049">IPlugUtilities.h:49</a></div></div>
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