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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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<div class="title">IFFT_ooura.hxx</div> </div>
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<a href="IFFT__ooura_8hxx.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> </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#ifndef _IFFT_ooura_</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#define _IFFT_ooura_</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "<a class="code" href="IFFT__base_8hxx.html">IFFT_base.hxx</a>"</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "<a class="code" href="DataTypes_8hxx.html">DataTypes.hxx</a>"</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="SpecTypeFlags_8hxx.html">SpecTypeFlags.hxx</a>"</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "<a class="code" href="ErrDynamicType_8hxx.html">ErrDynamicType.hxx</a>"</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">namespace </span>CLAM {</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">struct </span>IFFTConfig;</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">class </span>Spectrum;</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">class </span>Audio;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">class </span>ProcessingConfig;</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00043"></a><span class="lineno"><a class="code" href="classCLAM_1_1IFFT__ooura.html"> 43</a></span>  <span class="keyword">class </span><a class="code" href="classCLAM_1_1IFFT__ooura.html" title="Implementation of the IFFT using the algorithm from Takuya OOURA in C.">IFFT_ooura</a>: <span class="keyword">public</span> <a class="code" href="classCLAM_1_1IFFT__base.html" title="Abstract base class for IFFT classes.">IFFT_base</a></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  {</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordtype">int</span> *ip;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <a class="code" href="namespaceCLAM.html#ab9c6321b061069797fcc173f61e8111a">TData</a> *w;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <a class="code" href="namespaceCLAM.html#ab9c6321b061069797fcc173f61e8111a">TData</a>* ifftbuffer;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="structCLAM_1_1SpecTypeFlags.html" title="This class tells which formats are instantiated in a Spectrum.">SpecTypeFlags</a> mComplexflags;</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="comment">/* IFFT possible execution states.</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">typedef</span> <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  sComplex, <span class="comment">// We just need to read the complex array.</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  sOther <span class="comment">// The complex array is not present.</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  } IFFTState;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  IFFTState mState;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">bool</span> IFFTConfigure();</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">bool</span> ConcreteConfigure(<span class="keyword">const</span> <a class="code" href="classCLAM_1_1ProcessingConfig.html" title="This is an abstract class which serves as interface for configuration classes used as processing obje...">ProcessingConfig</a>&);</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>  <span class="comment">// Memory Management (for work areas and stuff)</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordtype">void</span> ReleaseMemory();</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="keywordtype">void</span> SetupMemory();</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// Output conversions</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="keywordtype">void</span> ComplexToIFFTOoura(<span class="keyword">const</span> <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) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordtype">void</span> OtherToIFFTOoura(<span class="keyword">const</span> <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) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> CheckTypes(<span class="keyword">const</span> <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, <span class="keyword">const</span> <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) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="classCLAM_1_1IFFT__ooura.html#a3f056a6593b1628aa14560d5ee7b478a">IFFT_ooura</a>();</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>  <a class="code" href="classCLAM_1_1IFFT__ooura.html#a3f056a6593b1628aa14560d5ee7b478a">IFFT_ooura</a>(<span class="keyword">const</span> <a class="code" href="classCLAM_1_1IFFTConfig.html" title="Config class for the IFFT Processing.">IFFTConfig</a> &c) <span class="keywordflow">throw</span>(<a class="code" href="classCLAM_1_1ErrDynamicType.html" title="Derived class of the Err base class Handles DynamicType errors.">ErrDynamicType</a>);</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="classCLAM_1_1IFFT__ooura.html#a47b65258ccfdf6341dd548986d84dd18">~IFFT_ooura</a>();</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div>
<div class="line"><a name="l00092"></a><span class="lineno"><a class="code" href="classCLAM_1_1IFFT__ooura.html#ac552c1dcca9bd422a9a786ec018abb8a"> 92</a></span>  <span class="keyword">const</span> <span class="keywordtype">char</span> * <a class="code" href="classCLAM_1_1IFFT__ooura.html#ac552c1dcca9bd422a9a786ec018abb8a" title="Override it in every subclass and retur the name of that class.">GetClassName</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <span class="stringliteral">"IFFT_ooura"</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="comment">// Execution methods</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>  <span class="keywordtype">bool</span> <a class="code" href="classCLAM_1_1IFFT__ooura.html#a3ae8dd690e76a8d3d556df9d0d9c12cc" title="Supervised-mode Do function.">Do</a>();</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">bool</span> <a class="code" href="classCLAM_1_1IFFT__ooura.html#a3ae8dd690e76a8d3d556df9d0d9c12cc" title="Supervised-mode Do function.">Do</a>(<span class="keyword">const</span> <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) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">// Port interfaces.</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordtype">bool</span> <a class="code" href="classCLAM_1_1IFFT__ooura.html#a57d4b959b8dfd496336f58d3daad8233" title="Standard supervised-mode SetPrototypes function.">SetPrototypes</a>(<span class="keyword">const</span> <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,<span class="keyword">const</span> <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="l00103"></a><span class="lineno"> 103</span> </div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordtype">bool</span> <a class="code" href="classCLAM_1_1IFFT__ooura.html#a57d4b959b8dfd496336f58d3daad8233" title="Standard supervised-mode SetPrototypes function.">SetPrototypes</a>();</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>  <span class="keywordtype">bool</span> <a class="code" href="classCLAM_1_1IFFT__ooura.html#a49f0e0061f105d4ef6971024279092c1" title="Standard UnsetPrototypes function.">UnsetPrototypes</a>();</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div>
<div class="line"><a name="l00108"></a><span class="lineno"><a class="code" href="classCLAM_1_1IFFT__ooura.html#a1fa8b8b5af613bfc9308069f51959473"> 108</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classCLAM_1_1IFFT__ooura.html#a1fa8b8b5af613bfc9308069f51959473">MayDisableExecution</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <span class="keyword">true</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>  };</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">//namespace CLAM</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="preprocessor">#endif // _IFFT_numrec_</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="preprocessor"></span></div>
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