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<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="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#define OVERSAMPLING_FACTORS_VA_LIST "None"</span>, "2x", "4x", "8x", "16x"</div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> </div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#include <functional></span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include <cmath></span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include "HIIR/FPUUpsampler2x.h"</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include "HIIR/FPUDownsampler2x.h"</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include "heapbuf.h"</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include "ptrlist.h"</span></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">#include "<a class="code" href="_i_plug_platform_8h.html">IPlugPlatform.h</a>"</span></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>BEGIN_IPLUG_NAMESPACE</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="keyword">using namespace </span>hiir;</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="keyword">enum</span> EFactor</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> kNone = 0,</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> k2x,</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> k4x,</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> k8x,</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> k16x,</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> kNumFactors</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span>};</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> </div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="keyword">template</span><<span class="keyword">typename</span> T = <span class="keywordtype">double</span>></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"><a class="line" href="class_over_sampler.html"> 41</a></span><span class="keyword">class </span><a class="code hl_class" href="class_over_sampler.html">OverSampler</a></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span>{</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">using </span>BlockProcessFunc = std::function<void(T**, T**, <span class="keywordtype">int</span>)>;</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <a class="code hl_class" href="class_over_sampler.html">OverSampler</a>(EFactor factor = kNone, <span class="keywordtype">bool</span> blockProcessing = <span class="keyword">true</span>, <span class="keywordtype">int</span> nInChannels = 1, <span class="keywordtype">int</span> nOutChannels = 1)</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> : mBlockProcessing(blockProcessing)</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> , mNInChannels(nInChannels)</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> , mNOutChannels(nOutChannels)</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> {</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> </div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">static</span> <span class="keyword">constexpr</span> <span class="keywordtype">double</span> coeffs2x[12] = { 0.036681502163648017, 0.13654762463195794, 0.27463175937945444, 0.42313861743656711, 0.56109869787919531, 0.67754004997416184, 0.76974183386322703, 0.83988962484963892, 0.89226081800387902, 0.9315419599631839, 0.96209454837808417, 0.98781637073289585 };</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">static</span> <span class="keyword">constexpr</span> <span class="keywordtype">double</span> coeffs4x[4] = {0.041893991997656171, 0.16890348243995201, 0.39056077292116603, 0.74389574826847926 };</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">static</span> <span class="keyword">constexpr</span> <span class="keywordtype">double</span> coeffs8x[3] = {0.055748680811302048, 0.24305119574153072, 0.64669913119268196 };</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">static</span> <span class="keyword">constexpr</span> <span class="keywordtype">double</span> coeffs16x[2] = {0.10717745346023573, 0.53091435354504557 };</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> </div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> c = 0; c < mNInChannels; c++)</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> mUpsampler2x.Add(<span class="keyword">new</span> Upsampler2xFPU<12, T>());</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> mUpsampler4x.Add(<span class="keyword">new</span> Upsampler2xFPU<4, T>());</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> mUpsampler8x.Add(<span class="keyword">new</span> Upsampler2xFPU<3, T>());</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> mUpsampler16x.Add(<span class="keyword">new</span> Upsampler2xFPU<2, T>());</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> </div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> mUpsampler2x.Get(c)->set_coefs(coeffs2x);</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> mUpsampler4x.Get(c)->set_coefs(coeffs4x);</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> mUpsampler8x.Get(c)->set_coefs(coeffs8x);</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> mUpsampler16x.Get(c)->set_coefs(coeffs16x);</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="comment">// ptr location doesn't matter at this stage</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> mNextInputPtrs.Add(mUp2x.Get());</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> }</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> </div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> c = 0; c < mNOutChannels; c++)</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> mDownsampler2x.Add(<span class="keyword">new</span> Downsampler2xFPU<12, T>());</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> mDownsampler4x.Add(<span class="keyword">new</span> Downsampler2xFPU<4, T>());</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> mDownsampler8x.Add(<span class="keyword">new</span> Downsampler2xFPU<3, T>());</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> mDownsampler16x.Add(<span class="keyword">new</span> Downsampler2xFPU<2, T>());</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> </div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> mDownsampler2x.Get(c)->set_coefs(coeffs2x);</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> mDownsampler4x.Get(c)->set_coefs(coeffs4x);</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> mDownsampler8x.Get(c)->set_coefs(coeffs8x);</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> mDownsampler16x.Get(c)->set_coefs(coeffs16x);</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="comment">// ptr location doesn't matter at this stage</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> mNextOutputPtrs.Add(mDown2x.Get());</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> }</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> </div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> SetOverSampling(factor);</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> </div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> Reset();</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> </div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <a class="code hl_class" href="class_over_sampler.html">~OverSampler</a>()</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> {</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> mUpsampler2x.Empty(<span class="keyword">true</span>);</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> mDownsampler2x.Empty(<span class="keyword">true</span>);</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> mUpsampler4x.Empty(<span class="keyword">true</span>);</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> mDownsampler4x.Empty(<span class="keyword">true</span>);</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> mUpsampler8x.Empty(<span class="keyword">true</span>);</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> mDownsampler8x.Empty(<span class="keyword">true</span>);</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> mUpsampler16x.Empty(<span class="keyword">true</span>);</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> mDownsampler16x.Empty(<span class="keyword">true</span>);</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> }</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> </div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <a class="code hl_class" href="class_over_sampler.html">OverSampler</a>(<span class="keyword">const</span> <a class="code hl_class" href="class_over_sampler.html">OverSampler</a>&) = <span class="keyword">delete</span>;</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <a class="code hl_class" href="class_over_sampler.html">OverSampler</a>& operator=(<span class="keyword">const</span> <a class="code hl_class" href="class_over_sampler.html">OverSampler</a>&) = <span class="keyword">delete</span>;</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="keywordtype">void</span> Reset(<span class="keywordtype">int</span> blockSize = DEFAULT_BLOCK_SIZE)</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> <span class="keywordtype">int</span> numBufSamples = 1;</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> </div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordflow">if</span> (mBlockProcessing)</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> numBufSamples = blockSize;</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> {</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> numBufSamples = 1;</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> blockSize = 1;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> }</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> numBufSamples *= mNInChannels;</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> mUp2x.Resize(2 * numBufSamples);</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> mUp4x.Resize(4 * numBufSamples);</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> mUp8x.Resize(8 * numBufSamples);</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> mUp16x.Resize(16 * numBufSamples);</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> </div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> mDown2x.Resize(2 * numBufSamples);</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> mDown4x.Resize(4 * numBufSamples);</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> mDown8x.Resize(8 * numBufSamples);</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> mDown16x.Resize(16 * numBufSamples);</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> </div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> mUp16BufferPtrs.Empty();</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> mUp8BufferPtrs.Empty();</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> mUp4BufferPtrs.Empty();</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> mUp2BufferPtrs.Empty();</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> </div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> mDown16BufferPtrs.Empty();</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> mDown8BufferPtrs.Empty();</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> mDown4BufferPtrs.Empty();</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> mDown2BufferPtrs.Empty();</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> </div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> c = 0; c < mNInChannels; c++)</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> mUpsampler2x.Get(c)->clear_buffers();</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> mUpsampler4x.Get(c)->clear_buffers();</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> mUpsampler8x.Get(c)->clear_buffers();</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> mUpsampler16x.Get(c)->clear_buffers();</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> mUp2BufferPtrs.Add(mUp2x.Get() + c * 2 * blockSize);</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> mUp4BufferPtrs.Add(mUp4x.Get() + (c * 4 * blockSize));</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> mUp8BufferPtrs.Add(mUp8x.Get() + (c * 8 * blockSize));</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> mUp16BufferPtrs.Add(mUp16x.Get() + (c * 16 * blockSize));</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> </div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> c = 0; c < mNOutChannels; c++)</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> {</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> mDownsampler2x.Get(c)->clear_buffers();</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> mDownsampler4x.Get(c)->clear_buffers();</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> mDownsampler8x.Get(c)->clear_buffers();</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> mDownsampler16x.Get(c)->clear_buffers();</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> </div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> mDown2BufferPtrs.Add(mDown2x.Get() + c * 2 * blockSize);</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> mDown4BufferPtrs.Add(mDown4x.Get() + (c * 4 * blockSize));</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> mDown8BufferPtrs.Add(mDown8x.Get() + (c * 8 * blockSize));</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> mDown16BufferPtrs.Add(mDown16x.Get() + (c * 16 * blockSize));</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> }</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="l00177" name="l00177"></a><span class="lineno"><a class="line" href="class_over_sampler.html#add06e1a6a1524fd492362dcb762b5537"> 177</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="class_over_sampler.html#add06e1a6a1524fd492362dcb762b5537">ProcessBlock</a>(T** inputs, T** outputs, <span class="keywordtype">int</span> nFrames, <span class="keywordtype">int</span> nInChans, <span class="keywordtype">int</span> nOutChans, BlockProcessFunc func)</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> assert(nInChans <= mNInChannels);</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> assert(nOutChans <= mNOutChannels);</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> </div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <span class="keywordflow">if</span> (mRate != mPrevRate)</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> {</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="keywordflow">switch</span> (mRate) {</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keywordflow">case</span> 2:</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> mInPtrLoopSrc = &mUp2BufferPtrs;</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> mOutPtrLoopSrc = &mDown2BufferPtrs;</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="keywordflow">case</span> 4:</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> mInPtrLoopSrc = &mUp4BufferPtrs;</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> mOutPtrLoopSrc = &mDown4BufferPtrs;</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keywordflow">case</span> 8:</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> mInPtrLoopSrc = &mUp8BufferPtrs;</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> mOutPtrLoopSrc = &mDown8BufferPtrs;</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="keywordflow">case</span> 16:</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> mInPtrLoopSrc = &mUp16BufferPtrs;</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> mOutPtrLoopSrc = &mDown16BufferPtrs;</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> }</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> mPrevRate = mRate;</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> }</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> </div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> c = 0; c < nInChans; c++) {</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <span class="keywordflow">if</span> (mRate >= 2) {</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> mUpsampler2x.Get(c)->process_block(mUp2BufferPtrs.Get(c), inputs[c], nFrames);</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> }</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> <span class="keywordflow">if</span> (mRate >= 4) {</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> mUpsampler4x.Get(c)->process_block(mUp4BufferPtrs.Get(c), mUp2BufferPtrs.Get(c), nFrames * 2);</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> }</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keywordflow">if</span> (mRate >= 8) {</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> mUpsampler8x.Get(c)->process_block(mUp8BufferPtrs.Get(c), mUp4BufferPtrs.Get(c), nFrames * 4);</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> }</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="keywordflow">if</span> (mRate == 16) {</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> mUpsampler16x.Get(c)->process_block(mUp16BufferPtrs.Get(c), mUp8BufferPtrs.Get(c), nFrames * 8);</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> }</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> }</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> </div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <span class="keywordflow">if</span> (mRate == 1) {</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> func(inputs, outputs, nFrames);</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> i = 0; i < mRate; i++) {</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> c = 0; c < nInChans; c++) {</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> mNextInputPtrs.Set(c, mInPtrLoopSrc->Get(c) + (i * nFrames));</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> mNextOutputPtrs.Set(c, mOutPtrLoopSrc->Get(c) + (i * nFrames));</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> func(mNextInputPtrs.GetList(), mNextOutputPtrs.GetList(), nFrames);</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> }</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> }</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> </div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> c = 0; c < nOutChans; c++) {</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> <span class="keywordflow">if</span> (mRate == 16) {</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> mDownsampler16x.Get(c)->process_block(mDown8BufferPtrs.Get(c), mDown16BufferPtrs.Get(c), nFrames * 8);</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> <span class="keywordflow">if</span> (mRate >= 8) {</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> mDownsampler8x.Get(c)->process_block(mDown4BufferPtrs.Get(c), mDown8BufferPtrs.Get(c), nFrames * 4);</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> }</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> <span class="keywordflow">if</span> (mRate >= 4) {</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> mDownsampler4x.Get(c)->process_block(mDown2BufferPtrs.Get(c), mDown4BufferPtrs.Get(c), nFrames * 2);</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> }</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keywordflow">if</span> (mRate >= 2) {</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> mDownsampler2x.Get(c)->process_block(outputs[c], mDown2BufferPtrs.Get(c), nFrames);</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> }</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> }</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> }</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> </div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"><a class="line" href="class_over_sampler.html#accade95ea60fa817e40ac0f9ab13b8ec"> 255</a></span> T <a class="code hl_function" href="class_over_sampler.html#accade95ea60fa817e40ac0f9ab13b8ec">Process</a>(T input, std::function<T(T)> func)</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> {</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> T output;</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> </div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <span class="keywordflow">if</span> (mRate == 16)</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> {</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> mUpsampler2x.Get(0)->process_sample(mUp2x.Get()[0], mUp2x.Get()[1], input);</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> mUpsampler4x.Get(0)->process_block(mUp4x.Get(), mUp2x.Get(), 2);</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> mUpsampler8x.Get(0)->process_block(mUp8x.Get(), mUp4x.Get(), 4);</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> mUpsampler16x.Get(0)->process_block(mUp16x.Get(), mUp8x.Get(), 8);</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> </div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> i = 0; i < 16; i++)</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> {</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> mDown16x.Get()[i] = func(mUp16x.Get()[i]);</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> }</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> </div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> mDownsampler16x.Get(0)->process_block(mDown8x.Get(), mDown16x.Get(), 8);</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> mDownsampler8x.Get(0)->process_block(mDown4x.Get(), mDown8x.Get(), 4);</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> mDownsampler4x.Get(0)->process_block(mDown2x.Get(), mDown4x.Get(), 2);</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> output = mDownsampler2x.Get(0)->process_sample(mDown2x.Get());</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> }</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (mRate == 8)</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> {</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> mUpsampler2x.Get(0)->process_sample(mUp2x.Get()[0], mUp2x.Get()[1], input);</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> mUpsampler4x.Get(0)->process_block(mUp4x.Get(), mUp2x.Get(), 2);</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> mUpsampler8x.Get(0)->process_block(mUp8x.Get(), mUp4x.Get(), 4);</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> </div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> i = 0; i < 8; i++)</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> {</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> mDown8x.Get()[i] = func(mUp8x.Get()[i]);</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> }</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> </div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> mDownsampler8x.Get(0)->process_block(mDown4x.Get(), mDown8x.Get(), 4);</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> mDownsampler4x.Get(0)->process_block(mDown2x.Get(), mDown4x.Get(), 2);</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> output = mDownsampler2x.Get(0)->process_sample(mDown2x.Get());</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> }</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (mRate == 4)</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> {</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> mUpsampler2x.Get(0)->process_sample(mUp2x.Get()[0], mUp2x.Get()[1], input);</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> mUpsampler4x.Get(0)->process_block(mUp4x.Get(), mUp2x.Get(), 2);</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> </div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> i = 0; i < 4; i++)</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> {</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> mDown4x.Get()[i] = func(mUp4x.Get()[i]);</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> }</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> </div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> mDownsampler4x.Get(0)->process_block(mDown2x.Get(), mDown4x.Get(), 2);</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> output = mDownsampler2x.Get(0)->process_sample(mDown2x.Get());</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> }</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (mRate == 2)</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> {</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> mUpsampler2x.Get(0)->process_sample(mUp2x.Get()[0], mUp2x.Get()[1], input);</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> </div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> mDown2x.Get()[0] = func(mUp2x.Get()[0]);</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> mDown2x.Get()[1] = func(mUp2x.Get()[1]);</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> output = mDownsampler2x.Get(0)->process_sample(mDown2x.Get());</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> }</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> {</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> output = func(input);</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> }</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> </div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> <span class="keywordflow">return</span> output;</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> }</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> </div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"><a class="line" href="class_over_sampler.html#ab5e3f982f6287842f26625adff313a65"> 323</a></span> T <a class="code hl_function" href="class_over_sampler.html#ab5e3f982f6287842f26625adff313a65">ProcessGen</a>(std::function<T()> genFunc)</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> {</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="keyword">auto</span> ProcessDown16x = [&](T input)</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> {</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> mDown16x.Get()[mWritePos] = (T) input;</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> </div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> mWritePos++;</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> mWritePos &= 15;</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> </div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> <span class="keywordflow">if</span> (mWritePos == 0)</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> {</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> mDownsampler16x.Get(0)->process_block(mDown8x.Get(), mDown16x.Get(), 8);</div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> mDownsampler8x.Get(0)->process_block(mDown4x.Get(), mDown8x.Get(), 4);</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> mDownsampler4x.Get(0)->process_block(mDown2x.Get(), mDown4x.Get(), 2);</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> mDownSamplerOutput = mDownsampler2x.Get(0)->process_sample(mDown2x.Get());</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> }</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> };</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> </div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <span class="keyword">auto</span> ProcessDown8x = [&](T input)</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> {</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> mDown8x.Get()[mWritePos] = (T) input;</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> </div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> mWritePos++;</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> mWritePos &= 7;</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> </div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <span class="keywordflow">if</span> (mWritePos == 0)</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> {</div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> mDownsampler8x.Get(0)->process_block(mDown4x.Get(), mDown8x.Get(), 4);</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> mDownsampler4x.Get(0)->process_block(mDown2x.Get(), mDown4x.Get(), 2);</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> mDownSamplerOutput = mDownsampler2x.Get(0)->process_sample(mDown2x.Get());</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> }</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> };</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> </div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> <span class="keyword">auto</span> ProcessDown4x = [&](T input)</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> {</div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> mDown4x.Get()[mWritePos] = (T) input;</div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> </div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> mWritePos++;</div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> mWritePos &= 3;</div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> </div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> <span class="keywordflow">if</span> (mWritePos == 0)</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> {</div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> mDownsampler4x.Get(0)->process_block(mDown2x.Get(), mDown4x.Get(), 2);</div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> mDownSamplerOutput = mDownsampler2x.Get(0)->process_sample(mDown2x.Get());</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> }</div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> };</div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> </div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> <span class="keyword">auto</span> ProcessDown2x = [&](T input)</div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> {</div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> mDown2x.Get()[mWritePos] = (T) input;</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> </div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> mWritePos = !mWritePos;</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> </div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> <span class="keywordflow">if</span> (mWritePos == 0)</div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> {</div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> mDownSamplerOutput = mDownsampler2x.Get(0)->process_sample(mDown2x.Get());</div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> }</div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> };</div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> </div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> T output;</div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> </div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j < mRate; j++)</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> {</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> output = genFunc();</div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> </div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> <span class="keywordflow">switch</span>(mRate)</div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> {</div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> <span class="keywordflow">case</span> 2: ProcessDown2x(output); <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> <span class="keywordflow">case</span> 4: ProcessDown4x(output); <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> <span class="keywordflow">case</span> 8: ProcessDown8x(output); <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> <span class="keywordflow">case</span> 16: ProcessDown16x(output); <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> <span class="keywordflow">default</span>: <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> }</div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> }</div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> </div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> <span class="keywordflow">if</span> (mRate > 1)</div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> output = mDownSamplerOutput;</div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> </div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> <span class="keywordflow">return</span> output;</div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> }</div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> </div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> <span class="keywordtype">void</span> SetOverSampling(EFactor factor)</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> {</div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> <span class="keywordflow">if</span> (factor != mFactor)</div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> {</div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> mFactor = factor;</div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> mRate = std::pow(2, (<span class="keywordtype">int</span>) factor);</div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> </div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> Reset();</div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> }</div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> }</div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> </div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> <span class="keyword">static</span> EFactor RateToFactor(<span class="keywordtype">int</span> rate)</div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> {</div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> <span class="keywordflow">switch</span> (rate)</div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> {</div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> <span class="keywordflow">case</span> 1: <span class="keywordflow">return</span> EFactor::kNone;</div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> <span class="keywordflow">case</span> 2: <span class="keywordflow">return</span> EFactor::k2x;</div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> <span class="keywordflow">case</span> 4: <span class="keywordflow">return</span> EFactor::k4x;</div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> <span class="keywordflow">case</span> 8: <span class="keywordflow">return</span> EFactor::k8x;</div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> <span class="keywordflow">case</span> 16: <span class="keywordflow">return</span> EFactor::k16x;</div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> <span class="keywordflow">default</span>: assert(0); <span class="keywordflow">return</span> EFactor::kNone;</div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> }</div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> }</div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> </div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> <span class="keywordtype">int</span> GetRate()<span class="keyword"> const</span></div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> <span class="keywordflow">return</span> mRate;</div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> }</div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> </div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> EFactor mFactor = kNone;</div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> <span class="keywordtype">int</span> mPrevRate = 0;</div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> <span class="keywordtype">int</span> mRate = 1;</div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> <span class="keywordtype">int</span> mWritePos = 0;</div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> T mDownSamplerOutput = 0.;</div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span> <span class="keywordtype">bool</span> mBlockProcessing; <span class="comment">// false</span></div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> <span class="keywordtype">int</span> mNInChannels; <span class="comment">// 1</span></div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> <span class="keywordtype">int</span> mNOutChannels;</div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span> </div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> <span class="comment">// the actual data</span></div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> WDL_TypedBuf<T> mUp16x;</div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> WDL_TypedBuf<T> mUp8x;</div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> WDL_TypedBuf<T> mUp4x;</div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> WDL_TypedBuf<T> mUp2x;</div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> </div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> WDL_TypedBuf<T> mDown16x;</div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> WDL_TypedBuf<T> mDown8x;</div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> WDL_TypedBuf<T> mDown4x;</div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> WDL_TypedBuf<T> mDown2x;</div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> </div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> <span class="comment">//Ptrs into buffer data</span></div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> WDL_PtrList<T> mUp16BufferPtrs;</div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> WDL_PtrList<T> mUp8BufferPtrs;</div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> WDL_PtrList<T> mUp4BufferPtrs;</div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> WDL_PtrList<T> mUp2BufferPtrs;</div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> </div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> WDL_PtrList<T> mDown16BufferPtrs;</div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> WDL_PtrList<T> mDown8BufferPtrs;</div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> WDL_PtrList<T> mDown4BufferPtrs;</div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> WDL_PtrList<T> mDown2BufferPtrs;</div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span> </div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> WDL_PtrList<T> mNextInputPtrs;</div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> WDL_PtrList<T> mNextOutputPtrs;</div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> </div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> <span class="comment">//Ptrs to the buffer data ptrs, changed depending on rate (block processing only)</span></div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> WDL_PtrList<T>* mInPtrLoopSrc = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> WDL_PtrList<T>* mOutPtrLoopSrc = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> </div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> <span class="comment">//Ptrs to oversamplers for each channel</span></div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> WDL_PtrList<Upsampler2xFPU<12, T>> mUpsampler2x; <span class="comment">// for 1x to 2x SR</span></div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> WDL_PtrList<Upsampler2xFPU<4, T>> mUpsampler4x; <span class="comment">// for 2x to 4x SR</span></div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> WDL_PtrList<Upsampler2xFPU<3, T>> mUpsampler8x; <span class="comment">// for 4x to 8x SR</span></div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> WDL_PtrList<Upsampler2xFPU<2, T>> mUpsampler16x; <span class="comment">// for 8x to 16x SR</span></div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span> </div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> WDL_PtrList<Downsampler2xFPU<12, T>> mDownsampler2x; <span class="comment">// decimator for 2x to 1x SR</span></div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> WDL_PtrList<Downsampler2xFPU<4, T>> mDownsampler4x; <span class="comment">// decimator for 4x to 2x SR</span></div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> WDL_PtrList<Downsampler2xFPU<3, T>> mDownsampler8x; <span class="comment">// decimator for 8x to 4x SR</span></div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> WDL_PtrList<Downsampler2xFPU<2, T>> mDownsampler16x; <span class="comment">// decimator for 16x to 8x SR</span></div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span>};</div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> </div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span>END_IPLUG_NAMESPACE</div>
<div class="ttc" id="a_i_plug_platform_8h_html"><div class="ttname"><a href="_i_plug_platform_8h.html">IPlugPlatform.h</a></div><div class="ttdoc">Include to get consistently named preprocessor macros for different platforms and logging functionali...</div></div>
<div class="ttc" id="aclass_over_sampler_html"><div class="ttname"><a href="class_over_sampler.html">OverSampler</a></div><div class="ttdef"><b>Definition:</b> <a href="_oversampler_8h_source.html#l00041">Oversampler.h:42</a></div></div>
<div class="ttc" id="aclass_over_sampler_html_ab5e3f982f6287842f26625adff313a65"><div class="ttname"><a href="class_over_sampler.html#ab5e3f982f6287842f26625adff313a65">OverSampler::ProcessGen</a></div><div class="ttdeci">T ProcessGen(std::function< T()> genFunc)</div><div class="ttdoc">Over-sample an per-sample synthesis function.</div><div class="ttdef"><b>Definition:</b> <a href="_oversampler_8h_source.html#l00323">Oversampler.h:323</a></div></div>
<div class="ttc" id="aclass_over_sampler_html_accade95ea60fa817e40ac0f9ab13b8ec"><div class="ttname"><a href="class_over_sampler.html#accade95ea60fa817e40ac0f9ab13b8ec">OverSampler::Process</a></div><div class="ttdeci">T Process(T input, std::function< T(T)> func)</div><div class="ttdoc">Over sample an input sample with a per-sample function (up-sample input -> process with function -> d...</div><div class="ttdef"><b>Definition:</b> <a href="_oversampler_8h_source.html#l00255">Oversampler.h:255</a></div></div>
<div class="ttc" id="aclass_over_sampler_html_add06e1a6a1524fd492362dcb762b5537"><div class="ttname"><a href="class_over_sampler.html#add06e1a6a1524fd492362dcb762b5537">OverSampler::ProcessBlock</a></div><div class="ttdeci">void ProcessBlock(T **inputs, T **outputs, int nFrames, int nInChans, int nOutChans, BlockProcessFunc func)</div><div class="ttdoc">Over sample an input block with a per-block function (up sample input -> process with function -> dow...</div><div class="ttdef"><b>Definition:</b> <a href="_oversampler_8h_source.html#l00177">Oversampler.h:177</a></div></div>
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