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<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_098894a2b9860dda60979d343b8f7997.html">Processing</a></li><li class="navelem"><a class="el" href="dir_d9e87f6172048f96f3a2e9ef0a9f7fa3.html">Synthesis</a></li> </ul>
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<a href="SpectralSynthesis_8cxx.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * UNIVERSITAT POMPEU FABRA</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * This program is free software; you can redistribute it and/or modify</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * it under the terms of the GNU General Public License as published by</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * the Free Software Foundation; either version 2 of the License, or</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * (at your option) any later version.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * This program is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * GNU General Public License for more details.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * You should have received a copy of the GNU General Public License</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * along with this program; if not, write to the Free Software</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "<a class="code" href="SpectralSynthesis_8hxx.html">SpectralSynthesis.hxx</a>"</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="ProcessingFactory_8hxx.html">ProcessingFactory.hxx</a>"</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <iostream></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">namespace </span>CLAM</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> {</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">namespace </span>Hidden </div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> {</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> * <a class="code" href="namespaceCLAM_1_1Hidden.html#ab6d3d284c567f8d6be7be419620bc9a0">metadata</a>[] = {</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="stringliteral">"key"</span>, <span class="stringliteral">"SpectralSynthesis"</span>,</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="stringliteral">"category"</span>, <span class="stringliteral">"Synthesis"</span>,</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="stringliteral">"description"</span>, <span class="stringliteral">"SpectralSynthesis"</span>,</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  0</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  };</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">static</span> FactoryRegistrator<ProcessingFactory, SpectralSynthesis> <a class="code" href="namespaceCLAM_1_1Hidden.html#ad709b2bf7ea595b7f6613c3058471b10">reg</a> = <a class="code" href="namespaceCLAM_1_1Hidden.html#ab6d3d284c567f8d6be7be419620bc9a0">metadata</a>;</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> }</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keywordtype">void</span> SpectralSynthesis::AttachChildren()</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> {</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  mPO_AnalWindowGen.<a class="code" href="classCLAM_1_1Processing.html#ae882ffd6dca37a47a93a5d6b723959a0">SetParent</a>(<span class="keyword">this</span>);</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  mPO_SynthWindowGen.<a class="code" href="classCLAM_1_1Processing.html#ae882ffd6dca37a47a93a5d6b723959a0">SetParent</a>(<span class="keyword">this</span>);</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  mPO_AudioProduct.<a class="code" href="classCLAM_1_1Processing.html#ae882ffd6dca37a47a93a5d6b723959a0">SetParent</a>(<span class="keyword">this</span>);</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  mPO_CircularShift.<a class="code" href="classCLAM_1_1Processing.html#ae882ffd6dca37a47a93a5d6b723959a0">SetParent</a>(<span class="keyword">this</span>);</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  mPO_IFFT.SetParent(<span class="keyword">this</span>);</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> }</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div>
<div class="line"><a name="l00051"></a><span class="lineno"><a class="code" href="classCLAM_1_1SpectralSynthesis.html#a2de35a4ec6e26e42b854db4972c71968"> 51</a></span> <a class="code" href="classCLAM_1_1SpectralSynthesis.html#a2de35a4ec6e26e42b854db4972c71968">SpectralSynthesis::SpectralSynthesis</a>()</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  : mInput(<span class="stringliteral">"Input"</span>,this),</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  mOutput(<span class="stringliteral">"Output"</span>,this)</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> {</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="classCLAM_1_1Processing.html#a586222b159a5b27b5bbb830a125fccc0" title="Configuration change method.">Configure</a>(<a class="code" href="classCLAM_1_1SpectralSynthesisConfig.html" title="Config class for the SpectralSynthesis Processing.">SpectralSynthesisConfig</a>());</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  AttachChildren();</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> }</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
<div class="line"><a name="l00059"></a><span class="lineno"><a class="code" href="classCLAM_1_1SpectralSynthesis.html#a32e81dd175b39723ee8fc5625a6fa9a1"> 59</a></span> <a class="code" href="classCLAM_1_1SpectralSynthesis.html#a2de35a4ec6e26e42b854db4972c71968">SpectralSynthesis::SpectralSynthesis</a>(<span class="keyword">const</span> <a class="code" href="classCLAM_1_1SpectralSynthesisConfig.html" title="Config class for the SpectralSynthesis Processing.">SpectralSynthesisConfig</a>& cfg)</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  : mInput(<span class="stringliteral">"Input"</span>,this),</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  mOutput(<span class="stringliteral">"Output"</span>,this)</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> {</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <a class="code" href="classCLAM_1_1Processing.html#a586222b159a5b27b5bbb830a125fccc0" title="Configuration change method.">Configure</a>(cfg);</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  AttachChildren();</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> }</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a name="l00067"></a><span class="lineno"><a class="code" href="classCLAM_1_1SpectralSynthesis.html#ac39093678ab4b388d9a34bfcf74087bf"> 67</a></span> <a class="code" href="classCLAM_1_1SpectralSynthesis.html#ac39093678ab4b388d9a34bfcf74087bf">SpectralSynthesis::~SpectralSynthesis</a>()</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> {</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  </div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> }</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="keywordtype">bool</span> SpectralSynthesis::ConfigureChildren()</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> {</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">//instantiate analysis window generator</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">if</span>(!mPO_AnalWindowGen.<a class="code" href="classCLAM_1_1Processing.html#a586222b159a5b27b5bbb830a125fccc0" title="Configuration change method.">Configure</a>(mConfig.GetAnalWindowGenerator()))</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">//instantiate synthesis window generator</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">if</span>(!mPO_SynthWindowGen.<a class="code" href="classCLAM_1_1Processing.html#a586222b159a5b27b5bbb830a125fccc0" title="Configuration change method.">Configure</a>(mConfig.GetSynthWindowGenerator()))</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  </div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">//Instantiate Circular Shift</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span>(!mPO_CircularShift.<a class="code" href="classCLAM_1_1Processing.html#a586222b159a5b27b5bbb830a125fccc0" title="Configuration change method.">Configure</a>(mConfig.GetCircularShift()))</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>; </div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">//instantiate IFFT</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="classCLAM_1_1IFFTConfig.html" title="Config class for the IFFT Processing.">IFFTConfig</a> IFFTCFG;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  IFFTCFG.SetAudioSize(mConfig.GetIFFT().GetAudioSize());</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">if</span>(!mPO_IFFT.Configure(IFFTCFG))</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>; </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  </div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> }</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="keywordtype">void</span> SpectralSynthesis::ConfigureData()</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> {</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">//INSTANIATE PROCESSING DATA</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment"></span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="comment">//intantiate audio used as temporary data</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  mAudio0.<a class="code" href="classCLAM_1_1Audio.html#a6491bc3e8ca150157175978f8609b10d" title="Resizes the array buffers to a size in samples.">SetSize</a>(mConfig.GetIFFT().GetAudioSize());<span class="comment">//audio used as output of the IFFT</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  mAudio1.<a class="code" href="classCLAM_1_1Audio.html#a6491bc3e8ca150157175978f8609b10d" title="Resizes the array buffers to a size in samples.">SetSize</a>(mConfig.<a class="code" href="classCLAM_1_1SpectralSynthesisConfig.html#ab28912d81674a6331d4f8b15f6d36af6" title="Getter for Analysis Window Size.">GetAnalWindowSize</a>()-1);<span class="comment">//audio without zeropadding</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  mAudio2.<a class="code" href="classCLAM_1_1Audio.html#a6491bc3e8ca150157175978f8609b10d" title="Resizes the array buffers to a size in samples.">SetSize</a>(mConfig.<a class="code" href="classCLAM_1_1SpectralSynthesisConfig.html#ad2dd68eb27b902efe49c8a4bdd645d54" title="Getter for Synthesis Hop size.">GetHopSize</a>()*2);<span class="comment">//audio used as input of the inverse + triangular windowing </span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  mSynthWindow.<a class="code" href="classCLAM_1_1Audio.html#a6491bc3e8ca150157175978f8609b10d" title="Resizes the array buffers to a size in samples.">SetSize</a>(mConfig.<a class="code" href="classCLAM_1_1SpectralSynthesisConfig.html#ad2dd68eb27b902efe49c8a4bdd645d54" title="Getter for Synthesis Hop size.">GetHopSize</a>()*2+1);</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">//initialize window</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  Audio tmpWindow,tmpWindow2;</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  tmpWindow.SetSize(mConfig.<a class="code" href="classCLAM_1_1SpectralSynthesisConfig.html#ab28912d81674a6331d4f8b15f6d36af6" title="Getter for Analysis Window Size.">GetAnalWindowSize</a>());</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  tmpWindow2.SetSize(mConfig.<a class="code" href="classCLAM_1_1SpectralSynthesisConfig.html#ad2dd68eb27b902efe49c8a4bdd645d54" title="Getter for Synthesis Hop size.">GetHopSize</a>()*2+1);</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  mPO_AnalWindowGen.<a class="code" href="classCLAM_1_1Processing.html#a81c4b3718ce9d0b207a25eedeca975e9" title="Method to turn the object into running state.">Start</a>();</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  mPO_AnalWindowGen.<a class="code" href="classCLAM_1_1WindowGenerator.html#ad1abdee061fcec29e4bb9494e8dd3c24" title="Supervised mode execution method (using ports)">Do</a>(tmpWindow);</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  mPO_AnalWindowGen.<a class="code" href="classCLAM_1_1Processing.html#a12b6447e841dbe5eecefebf021fc1a06" title="Method to put the object out of running state When in execution mode, this method must be called befo...">Stop</a>();</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">//We now take only the mSynthWindowSize central samples of the inverse window</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  tmpWindow.GetAudioChunk((<span class="keywordtype">int</span>)((<a class="code" href="namespaceCLAM.html#ab9c6321b061069797fcc173f61e8111a">TData</a>)mConfig.<a class="code" href="classCLAM_1_1SpectralSynthesisConfig.html#ab28912d81674a6331d4f8b15f6d36af6" title="Getter for Analysis Window Size.">GetAnalWindowSize</a>()/2-(<a class="code" href="namespaceCLAM.html#ab9c6321b061069797fcc173f61e8111a">TData</a>)mConfig.<a class="code" href="classCLAM_1_1SpectralSynthesisConfig.html#ad2dd68eb27b902efe49c8a4bdd645d54" title="Getter for Synthesis Hop size.">GetHopSize</a>()),(<span class="keywordtype">int</span>)((float)mConfig.<a class="code" href="classCLAM_1_1SpectralSynthesisConfig.html#ab28912d81674a6331d4f8b15f6d36af6" title="Getter for Analysis Window Size.">GetAnalWindowSize</a>()/2+(float)mConfig.<a class="code" href="classCLAM_1_1SpectralSynthesisConfig.html#ad2dd68eb27b902efe49c8a4bdd645d54" title="Getter for Synthesis Hop size.">GetHopSize</a>()),mSynthWindow,<span class="keyword">false</span>);</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">//Now we generate triangular synthesis window</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  tmpWindow.SetSize(mConfig.<a class="code" href="classCLAM_1_1SpectralSynthesisConfig.html#ad2dd68eb27b902efe49c8a4bdd645d54" title="Getter for Synthesis Hop size.">GetHopSize</a>()*2+1);</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  mPO_SynthWindowGen.<a class="code" href="classCLAM_1_1Processing.html#a81c4b3718ce9d0b207a25eedeca975e9" title="Method to turn the object into running state.">Start</a>();</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  mPO_SynthWindowGen.<a class="code" href="classCLAM_1_1WindowGenerator.html#ad1abdee061fcec29e4bb9494e8dd3c24" title="Supervised mode execution method (using ports)">Do</a>(tmpWindow);</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  mPO_SynthWindowGen.<a class="code" href="classCLAM_1_1Processing.html#a12b6447e841dbe5eecefebf021fc1a06" title="Method to put the object out of running state When in execution mode, this method must be called befo...">Stop</a>();</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  </div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="comment">//Now we multiply both windows</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  mPO_AudioProduct.<a class="code" href="classCLAM_1_1BinaryAudioOp.html#ac6d798d378fb679c8115f8c03325aa8e" title="Supervised mode execution method (using ports)">Do</a>(tmpWindow,mSynthWindow,mSynthWindow);</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">//now we set it to even size leaving last sample out</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  mSynthWindow.<a class="code" href="classCLAM_1_1Audio.html#a6491bc3e8ca150157175978f8609b10d" title="Resizes the array buffers to a size in samples.">SetSize</a>(mConfig.<a class="code" href="classCLAM_1_1SpectralSynthesisConfig.html#ad2dd68eb27b902efe49c8a4bdd645d54" title="Getter for Synthesis Hop size.">GetHopSize</a>()*2);</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> }</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="keywordtype">bool</span> SpectralSynthesis::ConcreteConfigure(<span class="keyword">const</span> ProcessingConfig& c)</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> {</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="code" href="classCLAM_1_1Processing.html#afc32b9790688f2875b42e4ab169389c6" title="Helper template to convert a reference to a ProcessingConfig to the concrete ProcessingConfig specifi...">CopyAsConcreteConfig</a>(mConfig, c);</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  mConfig.Sync();</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <a class="code" href="classCLAM_1_1SpectralSynthesis.html#a8308e6ff50ae8cd442414020fb710341">mOutput</a>.<a class="code" href="classCLAM_1_1OutPort.html#a5592a7c1c164f1f082d11c714426d665">SetSize</a>( mConfig.<a class="code" href="classCLAM_1_1SpectralSynthesisConfig.html#ad2dd68eb27b902efe49c8a4bdd645d54" title="Getter for Synthesis Hop size.">GetHopSize</a>()*2 );</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <a class="code" href="classCLAM_1_1SpectralSynthesis.html#a8308e6ff50ae8cd442414020fb710341">mOutput</a>.<a class="code" href="classCLAM_1_1OutPort.html#a7d42dd092e236bc96407860f03a27ad6">SetHop</a>( mConfig.<a class="code" href="classCLAM_1_1SpectralSynthesisConfig.html#ad2dd68eb27b902efe49c8a4bdd645d54" title="Getter for Synthesis Hop size.">GetHopSize</a>()*2 );</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">//CONFIGURE CHILDREN AND DATA</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  ConfigureChildren();</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  ConfigureData();</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> }</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div>
<div class="line"><a name="l00164"></a><span class="lineno"><a class="code" href="classCLAM_1_1SpectralSynthesis.html#a4e75cd93ebbbdf08fc3e3284ab06ddec"> 164</a></span> <span class="keywordtype">bool</span> <a class="code" href="classCLAM_1_1SpectralSynthesis.html#a4e75cd93ebbbdf08fc3e3284ab06ddec" title="Supervised mode execution.">SpectralSynthesis::Do</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> {</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordtype">bool</span> result = <a class="code" href="classCLAM_1_1SpectralSynthesis.html#a4e75cd93ebbbdf08fc3e3284ab06ddec" title="Supervised mode execution.">Do</a>(<a class="code" href="classCLAM_1_1SpectralSynthesis.html#ae6b0e39a0861476040be942d43e9f5fd" title="Ports.">mInput</a>.<a class="code" href="classCLAM_1_1InPort.html#a65b352e2036d41db14bc71e789624f69">GetData</a>(),<a class="code" href="classCLAM_1_1SpectralSynthesis.html#a8308e6ff50ae8cd442414020fb710341">mOutput</a>.<a class="code" href="classCLAM_1_1AudioOutPort.html#a24e3bf6f40fb21fe10442c7ec0e845cf">GetAudio</a>());</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <a class="code" href="classCLAM_1_1SpectralSynthesis.html#ae6b0e39a0861476040be942d43e9f5fd" title="Ports.">mInput</a>.<a class="code" href="classCLAM_1_1InPort.html#a3399b6d0c1e3bb2c89b854200d1f7ce7">Consume</a>();</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <a class="code" href="classCLAM_1_1SpectralSynthesis.html#a8308e6ff50ae8cd442414020fb710341">mOutput</a>.<a class="code" href="classCLAM_1_1OutPort.html#ae7dcc3895d42d4b8fcbb2a8f7000fca6">Produce</a>();</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">return</span> result;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> }</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div>
<div class="line"><a name="l00173"></a><span class="lineno"><a class="code" href="classCLAM_1_1SpectralSynthesis.html#aec4231f4a429fbf0b817b7a06d0332da"> 173</a></span> <span class="keywordtype">bool</span> <a class="code" href="classCLAM_1_1SpectralSynthesis.html#a4e75cd93ebbbdf08fc3e3284ab06ddec" title="Supervised mode execution.">SpectralSynthesis::Do</a>(<a class="code" href="classCLAM_1_1Spectrum.html" title="Spectrum is a ProcessingData class that allows the following representations: Mag/Phase, Complex, Polar and Break Point Function (BPF).">Spectrum</a>& in, <a class="code" href="classCLAM_1_1Audio.html" title="Audio class with the Data Buffer, information about it (SampleRate, BeginTime), and methods to insert...">Audio</a>& out)</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> {</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <a class="code" href="classint.html">TSize</a> analWindowSize = mConfig.<a class="code" href="classCLAM_1_1SpectralSynthesisConfig.html#ab28912d81674a6331d4f8b15f6d36af6" title="Getter for Analysis Window Size.">GetAnalWindowSize</a>()-1;<span class="comment">//note I include the minus 1!</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <a class="code" href="classint.html">TSize</a> hopSize = mConfig.<a class="code" href="classCLAM_1_1SpectralSynthesisConfig.html#ad2dd68eb27b902efe49c8a4bdd645d54" title="Getter for Synthesis Hop size.">GetHopSize</a>();</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment">//Now we do the inverse FFT</span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  mPO_IFFT.Do(in, mAudio0);</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment">//Undoing Synthesis circular shift</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  mPO_CircularShift.<a class="code" href="classCLAM_1_1CircularShift.html#a8cc6c2e76acff311fb428120d9850d53" title="Supervised mode execution method (using ports)">Do</a>(mAudio0,mAudio0);</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment">//We take the central samples to multiply with the window while also undoing the zero padding</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordtype">int</span> centerSample = analWindowSize*0.5;</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  mAudio0.<a class="code" href="classCLAM_1_1Audio.html#a8c6e39bf60e51457b007c0b6dc0dbba0" title="Method for copying an audio chunk out of the existing data.">GetAudioChunk</a>(centerSample-hopSize,centerSample+hopSize-1,mAudio2,<span class="keyword">false</span>);</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="comment">//Aplying inverse window</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  mPO_AudioProduct.<a class="code" href="classCLAM_1_1BinaryAudioOp.html#ac6d798d378fb679c8115f8c03325aa8e" title="Supervised mode execution method (using ports)">Do</a>(mAudio2, mSynthWindow,out);</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  </div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> }</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div>
<div class="line"><a name="l00193"></a><span class="lineno"><a class="code" href="classCLAM_1_1SpectralSynthesis.html#ac4ee5b8ed57c84721fa647fdbeeee046"> 193</a></span> <span class="keywordtype">bool</span> <a class="code" href="classCLAM_1_1SpectralSynthesis.html#a4e75cd93ebbbdf08fc3e3284ab06ddec" title="Supervised mode execution.">SpectralSynthesis::Do</a>(<a class="code" href="classCLAM_1_1Frame.html" title="Processing Data class to encapsulate a frame and all its related information.">Frame</a>& in)</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> {</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">if</span>(mConfig.GetResidual())</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">return</span> <a class="code" href="classCLAM_1_1SpectralSynthesis.html#a4e75cd93ebbbdf08fc3e3284ab06ddec" title="Supervised mode execution.">Do</a>(in.GetSpectrum(),in.GetAudioFrame());</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">return</span> <a class="code" href="classCLAM_1_1SpectralSynthesis.html#a4e75cd93ebbbdf08fc3e3284ab06ddec" title="Supervised mode execution.">Do</a>(in.GetResidualSpec(),in.GetResidualAudioFrame());</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> }</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div>
<div class="line"><a name="l00201"></a><span class="lineno"><a class="code" href="classCLAM_1_1SpectralSynthesis.html#ac487bf919a92a91c5290f76079b4201f"> 201</a></span> <span class="keywordtype">bool</span> <a class="code" href="classCLAM_1_1SpectralSynthesis.html#a4e75cd93ebbbdf08fc3e3284ab06ddec" title="Supervised mode execution.">SpectralSynthesis::Do</a>(<a class="code" href="classCLAM_1_1Segment.html" title="Processing Data class to encapsulate a CLAM segment.">Segment</a>& in)</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> {</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">return</span> <a class="code" href="classCLAM_1_1SpectralSynthesis.html#a4e75cd93ebbbdf08fc3e3284ab06ddec" title="Supervised mode execution.">Do</a>(in.<a class="code" href="classCLAM_1_1Segment.html#a6706801bc00c3ff78f5dd8f5e648957c" title="Returns a reference to the frame found in a given position.">GetFrame</a>(in.<a class="code" href="classCLAM_1_1Segment.html#ad5e0ca0fce5584f9b45ed8d8f7706c21" title="Index used when processing for keeeping trace of current location in Frame list.">mCurrentFrameIndex</a>++));</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> }</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <a class="code" href="namespaceCLAM.html#ae76a9707e7593931156599884c0360a4">TInt32</a> SpectralSynthesis::CalculatePowerOfTwo(<a class="code" href="namespaceCLAM.html#ae76a9707e7593931156599884c0360a4">TInt32</a> size)</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> {</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordtype">int</span> tmp = size;</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordtype">int</span> outputSize = 1;</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordflow">while</span> (tmp) </div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  {</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  outputSize=outputSize << 1;</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  tmp=tmp >> 1;</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  }</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">if</span>(outputSize == size << 1)</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  outputSize = outputSize >> 1;</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">return</span> outputSize;</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> }</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> </div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> }</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div>
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