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Update code docs to v2.7 SDK
author Chris Cannam
date Fri, 24 Feb 2017 16:44:47 +0000
parents 5c2683745b33
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76 <div class="title">AmplitudeFollower.h</div> </div> 63 <div class="title">AmplitudeFollower.h</div> </div>
77 </div><!--header--> 64 </div><!--header-->
78 <div class="contents"> 65 <div class="contents">
79 <a href="AmplitudeFollower_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */</span> 66 <a href="AmplitudeFollower_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;</div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">/*</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> Vamp</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> An API for audio analysis and feature extraction plugins.</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> Centre for Digital Music, Queen Mary, University of London.</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"> This file copyright 2006 Dan Stowell.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> </span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> Permission is hereby granted, free of charge, to any person</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> obtaining a copy of this software and associated documentation</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> files (the &quot;Software&quot;), to deal in the Software without</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> restriction, including without limitation the rights to use, copy,</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> modify, merge, publish, distribute, sublicense, and/or sell copies</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> of the Software, and to permit persons to whom the Software is</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> furnished to do so, subject to the following conditions:</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="comment"> The above copyright notice and this permission notice shall be</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="comment"> included in all copies or substantial portions of the Software.</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="comment"> THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND,</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="comment"> EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="comment"> MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="comment"> NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="comment"> ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="comment"> CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="comment"> WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="comment"> Except as contained in this notice, the names of the Centre for</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="comment"> Digital Music; Queen Mary, University of London; and Chris Cannam</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="comment"> shall not be used in advertising or otherwise to promote the sale,</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="comment"> use or other dealings in this Software without prior written</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="comment"> authorization.</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="comment">*/</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="preprocessor">#ifndef _AMPLITUDE_FOLLOWER_PLUGIN_H_</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="preprocessor">#define _AMPLITUDE_FOLLOWER_PLUGIN_H_</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="vamp-sdk_2Plugin_8h.html">vamp-sdk/Plugin.h</a>&quot;</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;</div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classAmplitudeFollower.html"> 47</a></span>&#160;<span class="keyword">class </span><a class="code" href="classAmplitudeFollower.html">AmplitudeFollower</a> : <span class="keyword">public</span> <a class="code" href="classVamp_1_1Plugin.html">Vamp::Plugin</a></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;{</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <a class="code" href="classAmplitudeFollower.html#a29eaeffc353da2614ae508abcd0ab63f">AmplitudeFollower</a>(<span class="keywordtype">float</span> inputSampleRate);</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keyword">virtual</span> <a class="code" href="classAmplitudeFollower.html#aa78f98539ad3a1b08691a99b32035b2d">~AmplitudeFollower</a>();</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="classAmplitudeFollower.html#aeb727e44ee8ad1aceb90964d20f8d90d">initialise</a>(<span class="keywordtype">size_t</span> channels, <span class="keywordtype">size_t</span> stepSize, <span class="keywordtype">size_t</span> blockSize);</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classAmplitudeFollower.html#acebd835e80e84669df078fbd7591d8f7">reset</a>();</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;</div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classAmplitudeFollower.html#aa11a470900da2b800b3ab118ae81f69e"> 56</a></span>&#160; <a class="code" href="classVamp_1_1Plugin.html#a39cb7649d6dcc20e4cb1640cd55907bc">InputDomain</a> <a class="code" href="classAmplitudeFollower.html#aa11a470900da2b800b3ab118ae81f69e">getInputDomain</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1Plugin.html#a39cb7649d6dcc20e4cb1640cd55907bcad4a9f31b958a43a9757af7893aa2e7ff">TimeDomain</a>; }</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; std::string <a class="code" href="classAmplitudeFollower.html#ad77b59b8e8bc0f415edab073f2e5edef">getIdentifier</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; std::string <a class="code" href="classAmplitudeFollower.html#a4a4ea5c0b2e30b420646aa78571176c2">getName</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; std::string <a class="code" href="classAmplitudeFollower.html#aad780ea62291ef94925d6f4d1cc3f4ac">getDescription</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; std::string <a class="code" href="classAmplitudeFollower.html#ac7a9db3ec7daa0e9bd83106bbf641777">getMaker</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keywordtype">int</span> <a class="code" href="classAmplitudeFollower.html#ad84e40327cb36e470790af9619e8e80e">getPluginVersion</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; std::string <a class="code" href="classAmplitudeFollower.html#acd61ab359d1b7a5514fb2e1bc191f95a">getCopyright</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; </div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <a class="code" href="classVamp_1_1Plugin.html#a30f531b8fb69fac41a24e3d2a6a08ed9">OutputList</a> <a class="code" href="classAmplitudeFollower.html#a3e7f3c93c66f161e9b37e7f2aff1fe60">getOutputDescriptors</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; <a class="code" href="classVamp_1_1PluginBase.html#a3b6bb4bbd86affe1ca9deceea1aad4f8">ParameterList</a> <a class="code" href="classAmplitudeFollower.html#a4a707648d17d03a66b110b73b99e821b">getParameterDescriptors</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keywordtype">float</span> <a class="code" href="classAmplitudeFollower.html#a93f32b68462f46af5265327a69479c38">getParameter</a>(std::string paramid) <span class="keyword">const</span>;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classAmplitudeFollower.html#ae1fc37ece4d20e40f3066a3361a99340">setParameter</a>(std::string paramid, <span class="keywordtype">float</span> newval);</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <a class="code" href="classVamp_1_1Plugin.html#a448fb57dc245d47923ec9eeaf9856c5f">FeatureSet</a> <a class="code" href="classAmplitudeFollower.html#a48d0f95cac31ffd190cff89b50a2a5bd">process</a>(<span class="keyword">const</span> <span class="keywordtype">float</span> *<span class="keyword">const</span> *inputBuffers,</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <a class="code" href="structVamp_1_1RealTime.html">Vamp::RealTime</a> timestamp);</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <a class="code" href="classVamp_1_1Plugin.html#a448fb57dc245d47923ec9eeaf9856c5f">FeatureSet</a> <a class="code" href="classAmplitudeFollower.html#a368606f643b88e0df0823d85e36f030c">getRemainingFeatures</a>();</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;<span class="keyword">protected</span>:</div><div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="classAmplitudeFollower.html#a959c2647fd3c5feea2591e3618774027"> 77</a></span>&#160; <span class="keywordtype">size_t</span> <a class="code" href="classAmplitudeFollower.html#a959c2647fd3c5feea2591e3618774027">m_stepSize</a>;</div><div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classAmplitudeFollower.html#ac95e8d2f334821c6c92c706bae29695a"> 78</a></span>&#160; <span class="keywordtype">float</span> <a class="code" href="classAmplitudeFollower.html#ac95e8d2f334821c6c92c706bae29695a">m_previn</a>;</div><div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="classAmplitudeFollower.html#a1cb205b08cfe2ce94a4af05b18f72876"> 79</a></span>&#160; <span class="keywordtype">float</span> <a class="code" href="classAmplitudeFollower.html#a1cb205b08cfe2ce94a4af05b18f72876">m_clampcoef</a>;</div><div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="classAmplitudeFollower.html#aceecd3b3879f32eb4a2e597c32c41cfc"> 80</a></span>&#160; <span class="keywordtype">float</span> <a class="code" href="classAmplitudeFollower.html#aceecd3b3879f32eb4a2e597c32c41cfc">m_relaxcoef</a>;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;};</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;<span class="preprocessor">#endif</span></div><div class="ttc" id="classVamp_1_1Plugin_html_a30f531b8fb69fac41a24e3d2a6a08ed9"><div class="ttname"><a href="classVamp_1_1Plugin.html#a30f531b8fb69fac41a24e3d2a6a08ed9">Vamp::Plugin::OutputList</a></div><div class="ttdeci">std::vector&lt; OutputDescriptor &gt; OutputList</div><div class="ttdef"><b>Definition:</b> <a href="vamp-sdk_2Plugin_8h_source.html#l00335">vamp-sdk/Plugin.h:335</a></div></div>
80 <a name="l00002"></a>00002 67 <div class="ttc" id="classVamp_1_1Plugin_html"><div class="ttname"><a href="classVamp_1_1Plugin.html">Vamp::Plugin</a></div><div class="ttdoc">Vamp::Plugin is a base class for plugin instance classes that provide feature extraction from audio o...</div><div class="ttdef"><b>Definition:</b> <a href="vamp-sdk_2Plugin_8h_source.html#l00124">vamp-sdk/Plugin.h:124</a></div></div>
81 <a name="l00003"></a>00003 <span class="comment">/*</span> 68 <div class="ttc" id="classAmplitudeFollower_html_aeb727e44ee8ad1aceb90964d20f8d90d"><div class="ttname"><a href="classAmplitudeFollower.html#aeb727e44ee8ad1aceb90964d20f8d90d">AmplitudeFollower::initialise</a></div><div class="ttdeci">bool initialise(size_t channels, size_t stepSize, size_t blockSize)</div><div class="ttdoc">Initialise a plugin to prepare it for use with the given number of input channels, step size (window increment, in sample frames) and block size (window size, in sample frames). </div><div class="ttdef"><b>Definition:</b> <a href="AmplitudeFollower_8cpp_source.html#l00106">AmplitudeFollower.cpp:106</a></div></div>
82 <a name="l00004"></a>00004 <span class="comment"> Vamp</span> 69 <div class="ttc" id="classVamp_1_1Plugin_html_a39cb7649d6dcc20e4cb1640cd55907bc"><div class="ttname"><a href="classVamp_1_1Plugin.html#a39cb7649d6dcc20e4cb1640cd55907bc">Vamp::Plugin::InputDomain</a></div><div class="ttdeci">InputDomain</div><div class="ttdef"><b>Definition:</b> <a href="vamp-sdk_2Plugin_8h_source.html#l00152">vamp-sdk/Plugin.h:152</a></div></div>
83 <a name="l00005"></a>00005 <span class="comment"></span> 70 <div class="ttc" id="classAmplitudeFollower_html_a29eaeffc353da2614ae508abcd0ab63f"><div class="ttname"><a href="classAmplitudeFollower.html#a29eaeffc353da2614ae508abcd0ab63f">AmplitudeFollower::AmplitudeFollower</a></div><div class="ttdeci">AmplitudeFollower(float inputSampleRate)</div><div class="ttdoc">An implementation of SuperCollider&amp;#39;s amplitude-follower algorithm as a simple Vamp plugin...</div><div class="ttdef"><b>Definition:</b> <a href="AmplitudeFollower_8cpp_source.html#l00056">AmplitudeFollower.cpp:56</a></div></div>
84 <a name="l00006"></a>00006 <span class="comment"> An API for audio analysis and feature extraction plugins.</span> 71 <div class="ttc" id="classVamp_1_1Plugin_html_a448fb57dc245d47923ec9eeaf9856c5f"><div class="ttname"><a href="classVamp_1_1Plugin.html#a448fb57dc245d47923ec9eeaf9856c5f">Vamp::Plugin::FeatureSet</a></div><div class="ttdeci">std::map&lt; int, FeatureList &gt; FeatureSet</div><div class="ttdef"><b>Definition:</b> <a href="vamp-sdk_2Plugin_8h_source.html#l00395">vamp-sdk/Plugin.h:395</a></div></div>
85 <a name="l00007"></a>00007 <span class="comment"></span> 72 <div class="ttc" id="classAmplitudeFollower_html_a368606f643b88e0df0823d85e36f030c"><div class="ttname"><a href="classAmplitudeFollower.html#a368606f643b88e0df0823d85e36f030c">AmplitudeFollower::getRemainingFeatures</a></div><div class="ttdeci">FeatureSet getRemainingFeatures()</div><div class="ttdoc">After all blocks have been processed, calculate and return any remaining features derived from the co...</div><div class="ttdef"><b>Definition:</b> <a href="AmplitudeFollower_8cpp_source.html#l00244">AmplitudeFollower.cpp:244</a></div></div>
86 <a name="l00008"></a>00008 <span class="comment"> Centre for Digital Music, Queen Mary, University of London.</span> 73 <div class="ttc" id="classAmplitudeFollower_html_a4a4ea5c0b2e30b420646aa78571176c2"><div class="ttname"><a href="classAmplitudeFollower.html#a4a4ea5c0b2e30b420646aa78571176c2">AmplitudeFollower::getName</a></div><div class="ttdeci">std::string getName() const</div><div class="ttdoc">Get a human-readable name or title of the plugin. </div><div class="ttdef"><b>Definition:</b> <a href="AmplitudeFollower_8cpp_source.html#l00076">AmplitudeFollower.cpp:76</a></div></div>
87 <a name="l00009"></a>00009 <span class="comment"> This file copyright 2006 Dan Stowell.</span> 74 <div class="ttc" id="classVamp_1_1Plugin_html_a39cb7649d6dcc20e4cb1640cd55907bcad4a9f31b958a43a9757af7893aa2e7ff"><div class="ttname"><a href="classVamp_1_1Plugin.html#a39cb7649d6dcc20e4cb1640cd55907bcad4a9f31b958a43a9757af7893aa2e7ff">Vamp::Plugin::TimeDomain</a></div><div class="ttdef"><b>Definition:</b> <a href="vamp-sdk_2Plugin_8h_source.html#l00152">vamp-sdk/Plugin.h:152</a></div></div>
88 <a name="l00010"></a>00010 <span class="comment"> </span> 75 <div class="ttc" id="structVamp_1_1RealTime_html"><div class="ttname"><a href="structVamp_1_1RealTime.html">Vamp::RealTime</a></div><div class="ttdoc">RealTime represents time values to nanosecond precision with accurate arithmetic and frame-rate conve...</div><div class="ttdef"><b>Definition:</b> <a href="vamp-sdk_2RealTime_8h_source.html#l00066">vamp-sdk/RealTime.h:66</a></div></div>
89 <a name="l00011"></a>00011 <span class="comment"> Permission is hereby granted, free of charge, to any person</span> 76 <div class="ttc" id="classAmplitudeFollower_html_ac7a9db3ec7daa0e9bd83106bbf641777"><div class="ttname"><a href="classAmplitudeFollower.html#ac7a9db3ec7daa0e9bd83106bbf641777">AmplitudeFollower::getMaker</a></div><div class="ttdeci">std::string getMaker() const</div><div class="ttdoc">Get the name of the author or vendor of the plugin in human-readable form. </div><div class="ttdef"><b>Definition:</b> <a href="AmplitudeFollower_8cpp_source.html#l00088">AmplitudeFollower.cpp:88</a></div></div>
90 <a name="l00012"></a>00012 <span class="comment"> obtaining a copy of this software and associated documentation</span> 77 <div class="ttc" id="classAmplitudeFollower_html_acebd835e80e84669df078fbd7591d8f7"><div class="ttname"><a href="classAmplitudeFollower.html#acebd835e80e84669df078fbd7591d8f7">AmplitudeFollower::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdoc">Reset the plugin after use, to prepare it for another clean run. </div><div class="ttdef"><b>Definition:</b> <a href="AmplitudeFollower_8cpp_source.html#l00123">AmplitudeFollower.cpp:123</a></div></div>
91 <a name="l00013"></a>00013 <span class="comment"> files (the &quot;Software&quot;), to deal in the Software without</span> 78 <div class="ttc" id="classAmplitudeFollower_html_a959c2647fd3c5feea2591e3618774027"><div class="ttname"><a href="classAmplitudeFollower.html#a959c2647fd3c5feea2591e3618774027">AmplitudeFollower::m_stepSize</a></div><div class="ttdeci">size_t m_stepSize</div><div class="ttdef"><b>Definition:</b> <a href="AmplitudeFollower_8h_source.html#l00077">AmplitudeFollower.h:77</a></div></div>
92 <a name="l00014"></a>00014 <span class="comment"> restriction, including without limitation the rights to use, copy,</span> 79 <div class="ttc" id="classAmplitudeFollower_html_ad77b59b8e8bc0f415edab073f2e5edef"><div class="ttname"><a href="classAmplitudeFollower.html#ad77b59b8e8bc0f415edab073f2e5edef">AmplitudeFollower::getIdentifier</a></div><div class="ttdeci">std::string getIdentifier() const</div><div class="ttdoc">Get the computer-usable name of the plugin. </div><div class="ttdef"><b>Definition:</b> <a href="AmplitudeFollower_8cpp_source.html#l00070">AmplitudeFollower.cpp:70</a></div></div>
93 <a name="l00015"></a>00015 <span class="comment"> modify, merge, publish, distribute, sublicense, and/or sell copies</span> 80 <div class="ttc" id="classAmplitudeFollower_html_ac95e8d2f334821c6c92c706bae29695a"><div class="ttname"><a href="classAmplitudeFollower.html#ac95e8d2f334821c6c92c706bae29695a">AmplitudeFollower::m_previn</a></div><div class="ttdeci">float m_previn</div><div class="ttdef"><b>Definition:</b> <a href="AmplitudeFollower_8h_source.html#l00078">AmplitudeFollower.h:78</a></div></div>
94 <a name="l00016"></a>00016 <span class="comment"> of the Software, and to permit persons to whom the Software is</span> 81 <div class="ttc" id="classAmplitudeFollower_html_acd61ab359d1b7a5514fb2e1bc191f95a"><div class="ttname"><a href="classAmplitudeFollower.html#acd61ab359d1b7a5514fb2e1bc191f95a">AmplitudeFollower::getCopyright</a></div><div class="ttdeci">std::string getCopyright() const</div><div class="ttdoc">Get the copyright statement or licensing summary for the plugin. </div><div class="ttdef"><b>Definition:</b> <a href="AmplitudeFollower_8cpp_source.html#l00100">AmplitudeFollower.cpp:100</a></div></div>
95 <a name="l00017"></a>00017 <span class="comment"> furnished to do so, subject to the following conditions:</span> 82 <div class="ttc" id="classAmplitudeFollower_html_a3e7f3c93c66f161e9b37e7f2aff1fe60"><div class="ttname"><a href="classAmplitudeFollower.html#a3e7f3c93c66f161e9b37e7f2aff1fe60">AmplitudeFollower::getOutputDescriptors</a></div><div class="ttdeci">OutputList getOutputDescriptors() const</div><div class="ttdoc">Get the outputs of this plugin. </div><div class="ttdef"><b>Definition:</b> <a href="AmplitudeFollower_8cpp_source.html#l00129">AmplitudeFollower.cpp:129</a></div></div>
96 <a name="l00018"></a>00018 <span class="comment"></span> 83 <div class="ttc" id="classAmplitudeFollower_html_a4a707648d17d03a66b110b73b99e821b"><div class="ttname"><a href="classAmplitudeFollower.html#a4a707648d17d03a66b110b73b99e821b">AmplitudeFollower::getParameterDescriptors</a></div><div class="ttdeci">ParameterList getParameterDescriptors() const</div><div class="ttdoc">Get the controllable parameters of this plugin. </div><div class="ttdef"><b>Definition:</b> <a href="AmplitudeFollower_8cpp_source.html#l00149">AmplitudeFollower.cpp:149</a></div></div>
97 <a name="l00019"></a>00019 <span class="comment"> The above copyright notice and this permission notice shall be</span> 84 <div class="ttc" id="classAmplitudeFollower_html_a93f32b68462f46af5265327a69479c38"><div class="ttname"><a href="classAmplitudeFollower.html#a93f32b68462f46af5265327a69479c38">AmplitudeFollower::getParameter</a></div><div class="ttdeci">float getParameter(std::string paramid) const</div><div class="ttdoc">Get the value of a named parameter. </div><div class="ttdef"><b>Definition:</b> <a href="AmplitudeFollower_8cpp_source.html#l00189">AmplitudeFollower.cpp:189</a></div></div>
98 <a name="l00020"></a>00020 <span class="comment"> included in all copies or substantial portions of the Software.</span> 85 <div class="ttc" id="classAmplitudeFollower_html_a1cb205b08cfe2ce94a4af05b18f72876"><div class="ttname"><a href="classAmplitudeFollower.html#a1cb205b08cfe2ce94a4af05b18f72876">AmplitudeFollower::m_clampcoef</a></div><div class="ttdeci">float m_clampcoef</div><div class="ttdef"><b>Definition:</b> <a href="AmplitudeFollower_8h_source.html#l00079">AmplitudeFollower.h:79</a></div></div>
99 <a name="l00021"></a>00021 <span class="comment"></span> 86 <div class="ttc" id="vamp-sdk_2Plugin_8h_html"><div class="ttname"><a href="vamp-sdk_2Plugin_8h.html">Plugin.h</a></div></div>
100 <a name="l00022"></a>00022 <span class="comment"> THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND,</span> 87 <div class="ttc" id="classAmplitudeFollower_html_aceecd3b3879f32eb4a2e597c32c41cfc"><div class="ttname"><a href="classAmplitudeFollower.html#aceecd3b3879f32eb4a2e597c32c41cfc">AmplitudeFollower::m_relaxcoef</a></div><div class="ttdeci">float m_relaxcoef</div><div class="ttdef"><b>Definition:</b> <a href="AmplitudeFollower_8h_source.html#l00080">AmplitudeFollower.h:80</a></div></div>
101 <a name="l00023"></a>00023 <span class="comment"> EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF</span> 88 <div class="ttc" id="classAmplitudeFollower_html_ae1fc37ece4d20e40f3066a3361a99340"><div class="ttname"><a href="classAmplitudeFollower.html#ae1fc37ece4d20e40f3066a3361a99340">AmplitudeFollower::setParameter</a></div><div class="ttdeci">void setParameter(std::string paramid, float newval)</div><div class="ttdoc">Set a named parameter. </div><div class="ttdef"><b>Definition:</b> <a href="AmplitudeFollower_8cpp_source.html#l00180">AmplitudeFollower.cpp:180</a></div></div>
102 <a name="l00024"></a>00024 <span class="comment"> MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND</span> 89 <div class="ttc" id="classAmplitudeFollower_html_ad84e40327cb36e470790af9619e8e80e"><div class="ttname"><a href="classAmplitudeFollower.html#ad84e40327cb36e470790af9619e8e80e">AmplitudeFollower::getPluginVersion</a></div><div class="ttdeci">int getPluginVersion() const</div><div class="ttdoc">Get the version number of the plugin. </div><div class="ttdef"><b>Definition:</b> <a href="AmplitudeFollower_8cpp_source.html#l00094">AmplitudeFollower.cpp:94</a></div></div>
103 <a name="l00025"></a>00025 <span class="comment"> NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR</span> 90 <div class="ttc" id="classAmplitudeFollower_html_aad780ea62291ef94925d6f4d1cc3f4ac"><div class="ttname"><a href="classAmplitudeFollower.html#aad780ea62291ef94925d6f4d1cc3f4ac">AmplitudeFollower::getDescription</a></div><div class="ttdeci">std::string getDescription() const</div><div class="ttdoc">Get a human-readable description for the plugin, typically a line of text that may optionally be disp...</div><div class="ttdef"><b>Definition:</b> <a href="AmplitudeFollower_8cpp_source.html#l00082">AmplitudeFollower.cpp:82</a></div></div>
104 <a name="l00026"></a>00026 <span class="comment"> ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF</span> 91 <div class="ttc" id="classAmplitudeFollower_html_a48d0f95cac31ffd190cff89b50a2a5bd"><div class="ttname"><a href="classAmplitudeFollower.html#a48d0f95cac31ffd190cff89b50a2a5bd">AmplitudeFollower::process</a></div><div class="ttdeci">FeatureSet process(const float *const *inputBuffers, Vamp::RealTime timestamp)</div><div class="ttdoc">Process a single block of input data. </div><div class="ttdef"><b>Definition:</b> <a href="AmplitudeFollower_8cpp_source.html#l00201">AmplitudeFollower.cpp:201</a></div></div>
105 <a name="l00027"></a>00027 <span class="comment"> CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION</span> 92 <div class="ttc" id="classAmplitudeFollower_html_aa78f98539ad3a1b08691a99b32035b2d"><div class="ttname"><a href="classAmplitudeFollower.html#aa78f98539ad3a1b08691a99b32035b2d">AmplitudeFollower::~AmplitudeFollower</a></div><div class="ttdeci">virtual ~AmplitudeFollower()</div><div class="ttdef"><b>Definition:</b> <a href="AmplitudeFollower_8cpp_source.html#l00065">AmplitudeFollower.cpp:65</a></div></div>
106 <a name="l00028"></a>00028 <span class="comment"> WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.</span> 93 <div class="ttc" id="classAmplitudeFollower_html"><div class="ttname"><a href="classAmplitudeFollower.html">AmplitudeFollower</a></div><div class="ttdoc">Example plugin implementing the SuperCollider amplitude follower function. </div><div class="ttdef"><b>Definition:</b> <a href="AmplitudeFollower_8h_source.html#l00047">AmplitudeFollower.h:47</a></div></div>
107 <a name="l00029"></a>00029 <span class="comment"></span> 94 <div class="ttc" id="classAmplitudeFollower_html_aa11a470900da2b800b3ab118ae81f69e"><div class="ttname"><a href="classAmplitudeFollower.html#aa11a470900da2b800b3ab118ae81f69e">AmplitudeFollower::getInputDomain</a></div><div class="ttdeci">InputDomain getInputDomain() const</div><div class="ttdoc">Get the plugin&amp;#39;s required input domain. </div><div class="ttdef"><b>Definition:</b> <a href="AmplitudeFollower_8h_source.html#l00056">AmplitudeFollower.h:56</a></div></div>
108 <a name="l00030"></a>00030 <span class="comment"> Except as contained in this notice, the names of the Centre for</span> 95 <div class="ttc" id="classVamp_1_1PluginBase_html_a3b6bb4bbd86affe1ca9deceea1aad4f8"><div class="ttname"><a href="classVamp_1_1PluginBase.html#a3b6bb4bbd86affe1ca9deceea1aad4f8">Vamp::PluginBase::ParameterList</a></div><div class="ttdeci">std::vector&lt; ParameterDescriptor &gt; ParameterList</div><div class="ttdef"><b>Definition:</b> <a href="vamp-sdk_2PluginBase_8h_source.html#l00203">vamp-sdk/PluginBase.h:203</a></div></div>
109 <a name="l00031"></a>00031 <span class="comment"> Digital Music; Queen Mary, University of London; and Chris Cannam</span> 96 </div><!-- fragment --></div><!-- contents -->
110 <a name="l00032"></a>00032 <span class="comment"> shall not be used in advertising or otherwise to promote the sale,</span> 97 </div><!-- doc-content -->
111 <a name="l00033"></a>00033 <span class="comment"> use or other dealings in this Software without prior written</span> 98 <!-- start footer part -->
112 <a name="l00034"></a>00034 <span class="comment"> authorization.</span> 99 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
113 <a name="l00035"></a>00035 <span class="comment">*/</span> 100 <ul>
114 <a name="l00036"></a>00036 101 <li class="navelem"><a class="el" href="dir_d28a4824dc47e487b107a5db32ef43c4.html">examples</a></li><li class="navelem"><a class="el" href="AmplitudeFollower_8h.html">AmplitudeFollower.h</a></li>
115 <a name="l00037"></a>00037 <span class="preprocessor">#ifndef _AMPLITUDE_FOLLOWER_PLUGIN_H_</span> 102 <li class="footer">Generated by
116 <a name="l00038"></a>00038 <span class="preprocessor"></span><span class="preprocessor">#define _AMPLITUDE_FOLLOWER_PLUGIN_H_</span> 103 <a href="http://www.doxygen.org/index.html">
117 <a name="l00039"></a>00039 <span class="preprocessor"></span> 104 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.13 </li>
118 <a name="l00040"></a>00040 <span class="preprocessor">#include &quot;<a class="code" href="vamp-sdk_2Plugin_8h.html">vamp-sdk/Plugin.h</a>&quot;</span> 105 </ul>
119 <a name="l00041"></a>00041
120 <a name="l00047"></a><a class="code" href="classAmplitudeFollower.html">00047</a> <span class="keyword">class </span><a class="code" href="classAmplitudeFollower.html" title="Example plugin implementing the SuperCollider amplitude follower function.">AmplitudeFollower</a> : <span class="keyword">public</span> <a class="code" href="classVamp_1_1Plugin.html" title="Vamp::Plugin is a base class for plugin instance classes that provide feature extraction from audio o...">Vamp::Plugin</a>
121 <a name="l00048"></a>00048 {
122 <a name="l00049"></a>00049 <span class="keyword">public</span>:
123 <a name="l00050"></a>00050 <a class="code" href="classAmplitudeFollower.html#a29eaeffc353da2614ae508abcd0ab63f" title="An implementation of SuperCollider&#39;s amplitude-follower algorithm as a simple Vamp plugin...">AmplitudeFollower</a>(<span class="keywordtype">float</span> inputSampleRate);
124 <a name="l00051"></a>00051 <span class="keyword">virtual</span> <a class="code" href="classAmplitudeFollower.html#aa78f98539ad3a1b08691a99b32035b2d">~AmplitudeFollower</a>();
125 <a name="l00052"></a>00052
126 <a name="l00053"></a>00053 <span class="keywordtype">bool</span> <a class="code" href="classAmplitudeFollower.html#aeb727e44ee8ad1aceb90964d20f8d90d" title="Initialise a plugin to prepare it for use with the given number of input channels, step size (window increment, in sample frames) and block size (window size, in sample frames).">initialise</a>(<span class="keywordtype">size_t</span> channels, <span class="keywordtype">size_t</span> stepSize, <span class="keywordtype">size_t</span> blockSize);
127 <a name="l00054"></a>00054 <span class="keywordtype">void</span> <a class="code" href="classAmplitudeFollower.html#acebd835e80e84669df078fbd7591d8f7" title="Reset the plugin after use, to prepare it for another clean run.">reset</a>();
128 <a name="l00055"></a>00055
129 <a name="l00056"></a><a class="code" href="classAmplitudeFollower.html#afc07a389b5f922b944b0350fd232d2eb">00056</a> <a class="code" href="classVamp_1_1Plugin.html#a39cb7649d6dcc20e4cb1640cd55907bc">InputDomain</a> <a class="code" href="classAmplitudeFollower.html#afc07a389b5f922b944b0350fd232d2eb" title="Get the plugin&#39;s required input domain.">getInputDomain</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1Plugin.html#a39cb7649d6dcc20e4cb1640cd55907bcad4a9f31b958a43a9757af7893aa2e7ff">TimeDomain</a>; }
130 <a name="l00057"></a>00057
131 <a name="l00058"></a>00058 std::string <a class="code" href="classAmplitudeFollower.html#afe7576af95c8fcc7f5bad42eec9f9f29" title="Get the computer-usable name of the plugin.">getIdentifier</a>() <span class="keyword">const</span>;
132 <a name="l00059"></a>00059 std::string <a class="code" href="classAmplitudeFollower.html#a7cfed00bc9d96ba6c709b69ab6a40594" title="Get a human-readable name or title of the plugin.">getName</a>() <span class="keyword">const</span>;
133 <a name="l00060"></a>00060 std::string <a class="code" href="classAmplitudeFollower.html#a6f0f2fea1fdb4b51e688edfe859d5062" title="Get a human-readable description for the plugin, typically a line of text that may optionally be disp...">getDescription</a>() <span class="keyword">const</span>;
134 <a name="l00061"></a>00061 std::string <a class="code" href="classAmplitudeFollower.html#a44fc43838f203f58bc2ce6e3cb2b03dd" title="Get the name of the author or vendor of the plugin in human-readable form.">getMaker</a>() <span class="keyword">const</span>;
135 <a name="l00062"></a>00062 <span class="keywordtype">int</span> <a class="code" href="classAmplitudeFollower.html#a8a5d7a834eb996d517c51f84b2a72250" title="Get the version number of the plugin.">getPluginVersion</a>() <span class="keyword">const</span>;
136 <a name="l00063"></a>00063 std::string <a class="code" href="classAmplitudeFollower.html#a0c197fc90f30d91cb4403115c83c9134" title="Get the copyright statement or licensing summary for the plugin.">getCopyright</a>() <span class="keyword">const</span>;
137 <a name="l00064"></a>00064
138 <a name="l00065"></a>00065 <a class="code" href="classVamp_1_1Plugin.html#a30f531b8fb69fac41a24e3d2a6a08ed9">OutputList</a> <a class="code" href="classAmplitudeFollower.html#a043e3c3db77d76267cd8069e1485bf26" title="Get the outputs of this plugin.">getOutputDescriptors</a>() <span class="keyword">const</span>;
139 <a name="l00066"></a>00066
140 <a name="l00067"></a>00067 <a class="code" href="classVamp_1_1PluginBase.html#a3b6bb4bbd86affe1ca9deceea1aad4f8">ParameterList</a> <a class="code" href="classAmplitudeFollower.html#a9df01323a09e117bc12354ebe9244edf" title="Get the controllable parameters of this plugin.">getParameterDescriptors</a>() <span class="keyword">const</span>;
141 <a name="l00068"></a>00068 <span class="keywordtype">float</span> <a class="code" href="classAmplitudeFollower.html#ab278c4b6f2ca23248dc94ad775273f39" title="Get the value of a named parameter.">getParameter</a>(std::string paramid) <span class="keyword">const</span>;
142 <a name="l00069"></a>00069 <span class="keywordtype">void</span> <a class="code" href="classAmplitudeFollower.html#ae1fc37ece4d20e40f3066a3361a99340" title="Set a named parameter.">setParameter</a>(std::string paramid, <span class="keywordtype">float</span> newval);
143 <a name="l00070"></a>00070
144 <a name="l00071"></a>00071 <a class="code" href="classVamp_1_1Plugin.html#a448fb57dc245d47923ec9eeaf9856c5f">FeatureSet</a> <a class="code" href="classAmplitudeFollower.html#a48d0f95cac31ffd190cff89b50a2a5bd" title="Process a single block of input data.">process</a>(<span class="keyword">const</span> <span class="keywordtype">float</span> *<span class="keyword">const</span> *inputBuffers,
145 <a name="l00072"></a>00072 <a class="code" href="structVamp_1_1RealTime.html" title="RealTime represents time values to nanosecond precision with accurate arithmetic and frame-rate conve...">Vamp::RealTime</a> timestamp);
146 <a name="l00073"></a>00073
147 <a name="l00074"></a>00074 <a class="code" href="classVamp_1_1Plugin.html#a448fb57dc245d47923ec9eeaf9856c5f">FeatureSet</a> <a class="code" href="classAmplitudeFollower.html#a368606f643b88e0df0823d85e36f030c" title="After all blocks have been processed, calculate and return any remaining features derived from the co...">getRemainingFeatures</a>();
148 <a name="l00075"></a>00075
149 <a name="l00076"></a>00076 <span class="keyword">protected</span>:
150 <a name="l00077"></a><a class="code" href="classAmplitudeFollower.html#a959c2647fd3c5feea2591e3618774027">00077</a> <span class="keywordtype">size_t</span> <a class="code" href="classAmplitudeFollower.html#a959c2647fd3c5feea2591e3618774027">m_stepSize</a>;
151 <a name="l00078"></a><a class="code" href="classAmplitudeFollower.html#ac95e8d2f334821c6c92c706bae29695a">00078</a> <span class="keywordtype">float</span> <a class="code" href="classAmplitudeFollower.html#ac95e8d2f334821c6c92c706bae29695a">m_previn</a>;
152 <a name="l00079"></a><a class="code" href="classAmplitudeFollower.html#a1cb205b08cfe2ce94a4af05b18f72876">00079</a> <span class="keywordtype">float</span> <a class="code" href="classAmplitudeFollower.html#a1cb205b08cfe2ce94a4af05b18f72876">m_clampcoef</a>;
153 <a name="l00080"></a><a class="code" href="classAmplitudeFollower.html#aceecd3b3879f32eb4a2e597c32c41cfc">00080</a> <span class="keywordtype">float</span> <a class="code" href="classAmplitudeFollower.html#aceecd3b3879f32eb4a2e597c32c41cfc">m_relaxcoef</a>;
154 <a name="l00081"></a>00081 };
155 <a name="l00082"></a>00082
156 <a name="l00083"></a>00083
157 <a name="l00084"></a>00084 <span class="preprocessor">#endif</span>
158 </pre></div></div><!-- contents -->
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