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<a href="SegmentDescriptors_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="SegmentDescriptors_8hxx.html">SegmentDescriptors.hxx</a>"</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="Segment_8hxx.html">Segment.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="keyword">namespace </span>CLAM</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> </div>
<div class="line"><a name="l00028"></a><span class="lineno"><a class="code" href="classCLAM_1_1SegmentDescriptors.html#a562de0c8669bc41b673e310bdf7a73d3"> 28</a></span> <a class="code" href="classCLAM_1_1SegmentDescriptors.html#a562de0c8669bc41b673e310bdf7a73d3">SegmentDescriptors::SegmentDescriptors</a>(<a class="code" href="classCLAM_1_1Segment.html" title="Processing Data class to encapsulate a CLAM segment.">Segment</a>* pSegment): <a class="code" href="classCLAM_1_1DescriptorTmpl.html" title="Abstract class for all descriptors.">Descriptor</a>(eNumAttr)</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>  MandatoryInit();</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  mpSegment=pSegment;</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> </div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keywordtype">void</span> SegmentDescriptors::DefaultInit() {</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  mpSegment=0;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <a class="code" href="classCLAM_1_1DescriptorTmpl.html#ad1699962f410bd060677e7baacf7efbf">mpStats</a>=0;</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  mSegmentStats=0;</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  AddFramesD();</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <a class="code" href="classCLAM_1_1DynamicType.html#a74d1557beda060a62f39b09f0c477fad" title="Method used to resize the data space of the dynamic type, necessary when some AddXXX() / RemoveXXX() ...">UpdateData</a>();</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> </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keywordtype">void</span> SegmentDescriptors::CopyInit(<span class="keyword">const</span> SegmentDescriptors & copied) {</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  mpSegment=copied.mpSegment;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <a class="code" href="classCLAM_1_1DescriptorTmpl.html#ad1699962f410bd060677e7baacf7efbf">mpStats</a>=0;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  mSegmentStats=0;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> }</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div>
<div class="line"><a name="l00048"></a><span class="lineno"><a class="code" href="classCLAM_1_1SegmentDescriptors.html#abd9cacda1d60686f19a7f57398eff04b"> 48</a></span> <span class="keyword">const</span> <a class="code" href="classCLAM_1_1Segment.html" title="Processing Data class to encapsulate a CLAM segment.">Segment</a>* <a class="code" href="classCLAM_1_1SegmentDescriptors.html#abd9cacda1d60686f19a7f57398eff04b">SegmentDescriptors::GetpSegment</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">return</span> mpSegment;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> }</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div>
<div class="line"><a name="l00052"></a><span class="lineno"><a class="code" href="classCLAM_1_1SegmentDescriptors.html#a0c433266089d1fcbd675617687ec936e"> 52</a></span> <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1SegmentDescriptors.html#a0c433266089d1fcbd675617687ec936e">SegmentDescriptors::SetpSegment</a>(<span class="keyword">const</span> <a class="code" href="classCLAM_1_1Segment.html" title="Processing Data class to encapsulate a CLAM segment.">Segment</a>* pSegment) {</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">if</span> (HasFramesD())</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="Assert_8hxx.html#a0013fa617be6fec21a9ad7180e7d8cff" title="An assertion is a check on an expression that must be true given that all the contracts are fullfille...">CLAM_ASSERT</a>(mSegmentStats,<span class="stringliteral">"SegmentDescriptors::SetpSegment: Frame Prototype must be set before, please call SetFramePrototype"</span>);</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  mpSegment=pSegment;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">if</span>(mpSegment->HasAudio())</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>  <span class="comment">//with this operation we may lose pointer reference in Stats!</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  AddAudioD();</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="classCLAM_1_1DynamicType.html#a74d1557beda060a62f39b09f0c477fad" title="Method used to resize the data space of the dynamic type, necessary when some AddXXX() / RemoveXXX() ...">UpdateData</a>();</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">if</span>(HasFramesD())</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  mSegmentStats-><a class="code" href="classCLAM_1_1StatsTmpl.html#ae3138bb55e01d3ac808c85e2901d4606" title="Method to change data array and reset all previous computations.">SetArray</a>(&GetFramesD());</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  }</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">if</span>(mpSegment->HasAudio())</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  GetAudioD().SetpAudio(&mpSegment->GetAudio());</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordtype">int</span> nFrames=mpSegment-><a class="code" href="classCLAM_1_1Segment.html#af534fd6469bc9ef78b9d359e7f503019" title="Returns the number of frames in segment.">GetnFrames</a>();</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">for</span> (i=0;i<nFrames;i++){</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  GetFramesD()[i].SetpFrame(&(mpSegment-><a class="code" href="classCLAM_1_1Segment.html#a6706801bc00c3ff78f5dd8f5e648957c" title="Returns a reference to the frame found in a given position.">GetFrame</a>(i)));}</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"><a class="code" href="classCLAM_1_1SegmentDescriptors.html#a8c74045f897e42299d1b01e6adf5778f"> 72</a></span> <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1SegmentDescriptors.html#a8c74045f897e42299d1b01e6adf5778f">SegmentDescriptors::SetFramePrototype</a>(<span class="keyword">const</span> <a class="code" href="classCLAM_1_1FrameDescriptors.html">FrameDescriptors</a>& proto, <span class="keywordtype">int</span> nFrames)</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>  <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  GetFramesD().Resize(nFrames);</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  GetFramesD().SetSize(nFrames);</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">for</span> (i=0;i<nFrames;i++){</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  GetFramesD()[i].SetPrototype(proto);}</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  mSegmentStats= <span class="keyword">new</span> <a class="code" href="classCLAM_1_1StatsTmpl.html">StatsTmpl<false,FrameDescriptors,FrameDescriptors></a>(&GetFramesD());</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">if</span>(HasMeanD())</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  GetMeanD().SetPrototype(proto);</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">if</span>(HasMaxD())</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  GetMaxD().SetPrototype(proto);</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span>(HasMinD())</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  GetMinD().SetPrototype(proto);</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">if</span>(HasVarianceD())</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  GetVarianceD().SetPrototype(proto);</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> }</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
<div class="line"><a name="l00090"></a><span class="lineno"><a class="code" href="classCLAM_1_1SegmentDescriptors.html#ad18422faf303fb4812dafded9601f26a"> 90</a></span> <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1SegmentDescriptors.html#ad18422faf303fb4812dafded9601f26a">SegmentDescriptors::Compute</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"> 92</span>  <span class="comment">/*Overriding compute method in base class because right now I don't know</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment"> what to do with member statistics. The best thing would be passing the list of</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment"> FrameDescriptors as processing data but then Descriptors would have to be </span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment"> template and I am not sure that statistics would work, I would need to add</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment"> some operators like + on FrameDescriptors.*/</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="classCLAM_1_1SegmentDescriptors.html#a481cc3914edd502b58cd0419cf7753c3">ConcreteCompute</a>();</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</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"><a class="code" href="classCLAM_1_1SegmentDescriptors.html#a481cc3914edd502b58cd0419cf7753c3"> 100</a></span> <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1SegmentDescriptors.html#a481cc3914edd502b58cd0419cf7753c3">SegmentDescriptors::ConcreteCompute</a>()</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">int</span> nFrames=mpSegment-><a class="code" href="classCLAM_1_1Segment.html#af534fd6469bc9ef78b9d359e7f503019" title="Returns the number of frames in segment.">GetnFrames</a>();</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0;i<nFrames;i++)</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  GetFramesD()[i].Compute();</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">if</span>(HasMeanD())</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  SetMeanD(mSegmentStats-><a class="code" href="classCLAM_1_1StatsTmpl.html#ad6fbea336d2c307720e32f8fe034b436" title="Get mean, compute it if necessary.">GetMean</a>());</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">if</span>(HasMaxD())</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  SetMaxD(mSegmentStats-><a class="code" href="classCLAM_1_1StatsTmpl.html#a1c99a6d745db8b463806b94e6bdb96a3" title="Get maximum value.">GetMax</a>());</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">if</span>(HasMinD())</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  SetMinD(mSegmentStats-><a class="code" href="classCLAM_1_1StatsTmpl.html#ad8375f598421042fd3b5c51c7cfaa9e9" title="Get minimum value.">GetMin</a>());</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">if</span>(HasVarianceD())</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  SetVarianceD(mSegmentStats-><a class="code" href="classCLAM_1_1StatsTmpl.html#a370240f54b4cf4346338b50604df05b9" title="Get variance, compute it if necessary.">GetVariance</a>());</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">if</span>(HasAudioD())</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  GetAudioD().Compute();</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> }</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> } <span class="comment">// namespace CLAM</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div>
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