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Add a page about the Vamp Plugin Pack, including links to download mirrors
author Chris Cannam
date Tue, 11 Aug 2020 16:41:11 +0100
parents 8260c0f4e05b
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   <div id="projectname">VampPluginSDK
   &#160;<span id="projectnumber">2.1</span>
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<a href="vamp-sdk_2Plugin_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>
<a name="l00002"></a>00002 
<a name="l00003"></a>00003 <span class="comment">/*</span>
<a name="l00004"></a>00004 <span class="comment">    Vamp</span>
<a name="l00005"></a>00005 <span class="comment"></span>
<a name="l00006"></a>00006 <span class="comment">    An API for audio analysis and feature extraction plugins.</span>
<a name="l00007"></a>00007 <span class="comment"></span>
<a name="l00008"></a>00008 <span class="comment">    Centre for Digital Music, Queen Mary, University of London.</span>
<a name="l00009"></a>00009 <span class="comment">    Copyright 2006 Chris Cannam.</span>
<a name="l00010"></a>00010 <span class="comment">  </span>
<a name="l00011"></a>00011 <span class="comment">    Permission is hereby granted, free of charge, to any person</span>
<a name="l00012"></a>00012 <span class="comment">    obtaining a copy of this software and associated documentation</span>
<a name="l00013"></a>00013 <span class="comment">    files (the &quot;Software&quot;), to deal in the Software without</span>
<a name="l00014"></a>00014 <span class="comment">    restriction, including without limitation the rights to use, copy,</span>
<a name="l00015"></a>00015 <span class="comment">    modify, merge, publish, distribute, sublicense, and/or sell copies</span>
<a name="l00016"></a>00016 <span class="comment">    of the Software, and to permit persons to whom the Software is</span>
<a name="l00017"></a>00017 <span class="comment">    furnished to do so, subject to the following conditions:</span>
<a name="l00018"></a>00018 <span class="comment"></span>
<a name="l00019"></a>00019 <span class="comment">    The above copyright notice and this permission notice shall be</span>
<a name="l00020"></a>00020 <span class="comment">    included in all copies or substantial portions of the Software.</span>
<a name="l00021"></a>00021 <span class="comment"></span>
<a name="l00022"></a>00022 <span class="comment">    THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND,</span>
<a name="l00023"></a>00023 <span class="comment">    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF</span>
<a name="l00024"></a>00024 <span class="comment">    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND</span>
<a name="l00025"></a>00025 <span class="comment">    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR</span>
<a name="l00026"></a>00026 <span class="comment">    ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF</span>
<a name="l00027"></a>00027 <span class="comment">    CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION</span>
<a name="l00028"></a>00028 <span class="comment">    WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.</span>
<a name="l00029"></a>00029 <span class="comment"></span>
<a name="l00030"></a>00030 <span class="comment">    Except as contained in this notice, the names of the Centre for</span>
<a name="l00031"></a>00031 <span class="comment">    Digital Music; Queen Mary, University of London; and Chris Cannam</span>
<a name="l00032"></a>00032 <span class="comment">    shall not be used in advertising or otherwise to promote the sale,</span>
<a name="l00033"></a>00033 <span class="comment">    use or other dealings in this Software without prior written</span>
<a name="l00034"></a>00034 <span class="comment">    authorization.</span>
<a name="l00035"></a>00035 <span class="comment">*/</span>
<a name="l00036"></a>00036 
<a name="l00037"></a>00037 <span class="preprocessor">#ifndef _VAMP_SDK_PLUGIN_H_</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span><span class="preprocessor">#define _VAMP_SDK_PLUGIN_H_</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span>
<a name="l00040"></a>00040 <span class="preprocessor">#include &lt;string&gt;</span>
<a name="l00041"></a>00041 <span class="preprocessor">#include &lt;vector&gt;</span>
<a name="l00042"></a>00042 <span class="preprocessor">#include &lt;map&gt;</span>
<a name="l00043"></a>00043 
<a name="l00044"></a>00044 <span class="preprocessor">#include &quot;PluginBase.h&quot;</span>
<a name="l00045"></a>00045 <span class="preprocessor">#include &quot;RealTime.h&quot;</span>
<a name="l00046"></a>00046 
<a name="l00047"></a>00047 <span class="preprocessor">#include &quot;<a class="code" href="plugguard_8h.html">plugguard.h</a>&quot;</span>
<a name="l00048"></a>00048 <a class="code" href="plugguard_8h.html#a1a2724ea453971288d3218e4eab3072c">_VAMP_SDK_PLUGSPACE_BEGIN</a>(Plugin.h)
<a name="l00049"></a>00049 
<a name="l00050"></a><a class="code" href="namespaceVamp.html">00050</a> namespace Vamp {
<a name="l00051"></a>00051 
<a name="l00124"></a><a class="code" href="classVamp_1_1Plugin.html">00124</a> <span class="keyword">class </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...">Plugin</a> : <span class="keyword">public</span> <a class="code" href="classVamp_1_1PluginBase.html" title="A base class for plugins with optional configurable parameters, programs, etc.">PluginBase</a>
<a name="l00125"></a>00125 {
<a name="l00126"></a>00126 <span class="keyword">public</span>:
<a name="l00127"></a><a class="code" href="classVamp_1_1Plugin.html#a42d3096f9c1f58b1876024cd8d9ab80b">00127</a>     <span class="keyword">virtual</span> <a class="code" href="classVamp_1_1Plugin.html#a42d3096f9c1f58b1876024cd8d9ab80b">~Plugin</a>() { }
<a name="l00128"></a>00128 
<a name="l00141"></a>00141     <span class="keyword">virtual</span> <span class="keywordtype">bool</span> initialise(<span class="keywordtype">size_t</span> inputChannels,
<a name="l00142"></a>00142                             <span class="keywordtype">size_t</span> stepSize,
<a name="l00143"></a>00143                             <span class="keywordtype">size_t</span> blockSize) = 0;
<a name="l00144"></a>00144 
<a name="l00150"></a>00150     <span class="keyword">virtual</span> <span class="keywordtype">void</span> reset() = 0;
<a name="l00151"></a>00151 
<a name="l00152"></a><a class="code" href="classVamp_1_1Plugin.html#a39cb7649d6dcc20e4cb1640cd55907bcad4a9f31b958a43a9757af7893aa2e7ff">00152</a>     <span class="keyword">enum</span> <a class="code" href="classVamp_1_1Plugin.html#a39cb7649d6dcc20e4cb1640cd55907bc">InputDomain</a> { <a class="code" href="classVamp_1_1Plugin.html#a39cb7649d6dcc20e4cb1640cd55907bcad4a9f31b958a43a9757af7893aa2e7ff">TimeDomain</a>, FrequencyDomain };
<a name="l00153"></a>00153     
<a name="l00169"></a>00169     <span class="keyword">virtual</span> InputDomain getInputDomain() <span class="keyword">const</span> = 0;
<a name="l00170"></a>00170 
<a name="l00179"></a><a class="code" href="classVamp_1_1Plugin.html#aa529adf83f87a603954eb31407602aac">00179</a>     <span class="keyword">virtual</span> <span class="keywordtype">size_t</span> <a class="code" href="classVamp_1_1Plugin.html#aa529adf83f87a603954eb31407602aac" title="Get the preferred block size (window size -- the number of sample frames passed in each block to the ...">getPreferredBlockSize</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> 0; }
<a name="l00180"></a>00180 
<a name="l00194"></a><a class="code" href="classVamp_1_1Plugin.html#a514c716c22f81c055f19b56c3f882567">00194</a>     <span class="keyword">virtual</span> <span class="keywordtype">size_t</span> <a class="code" href="classVamp_1_1Plugin.html#a514c716c22f81c055f19b56c3f882567" title="Get the preferred step size (window increment -- the distance in sample frames between the start fram...">getPreferredStepSize</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> 0; }
<a name="l00195"></a>00195 
<a name="l00199"></a><a class="code" href="classVamp_1_1Plugin.html#a267b42e866df3cf0d190893e8096f525">00199</a>     <span class="keyword">virtual</span> <span class="keywordtype">size_t</span> <a class="code" href="classVamp_1_1Plugin.html#a267b42e866df3cf0d190893e8096f525" title="Get the minimum supported number of input channels.">getMinChannelCount</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> 1; }
<a name="l00200"></a>00200 
<a name="l00204"></a><a class="code" href="classVamp_1_1Plugin.html#a2c5ab12b6fa4847cb244bd1e9cb3ae5e">00204</a>     <span class="keyword">virtual</span> <span class="keywordtype">size_t</span> <a class="code" href="classVamp_1_1Plugin.html#a2c5ab12b6fa4847cb244bd1e9cb3ae5e" title="Get the maximum supported number of input channels.">getMaxChannelCount</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> 1; }
<a name="l00205"></a>00205 
<a name="l00206"></a><a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html">00206</a>     <span class="keyword">struct </span><a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html">OutputDescriptor</a>
<a name="l00207"></a>00207     {
<a name="l00214"></a><a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#ae2c893ddb1860589517ab7eaa989a18b">00214</a>         std::string <a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#ae2c893ddb1860589517ab7eaa989a18b" title="The name of the output, in computer-usable form.">identifier</a>;
<a name="l00215"></a>00215 
<a name="l00220"></a><a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#ab824b2b34ee50f897a30901c620e8d87">00220</a>         std::string <a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#ab824b2b34ee50f897a30901c620e8d87" title="The human-readable name of the output.">name</a>;
<a name="l00221"></a>00221 
<a name="l00227"></a><a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#af9b4fe8f78e7126ead820ba5dc55efd1">00227</a>         std::string <a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#af9b4fe8f78e7126ead820ba5dc55efd1" title="A human-readable short text describing the output.">description</a>;
<a name="l00228"></a>00228 
<a name="l00232"></a><a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#aa057a8833fa037f06ac9f7b85b85d5e4">00232</a>         std::string <a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#aa057a8833fa037f06ac9f7b85b85d5e4" title="The unit of the output, in human-readable form.">unit</a>;
<a name="l00233"></a>00233 
<a name="l00239"></a><a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#af0e577e1a256ff6eed6ea42133fec77d">00239</a>         <span class="keywordtype">bool</span> <a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#af0e577e1a256ff6eed6ea42133fec77d" title="True if the output has the same number of values per sample for every output sample.">hasFixedBinCount</a>;
<a name="l00240"></a>00240 
<a name="l00247"></a><a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#afdd006959a995e40ef7d565a3a4df6dc">00247</a>         <span class="keywordtype">size_t</span> <a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#afdd006959a995e40ef7d565a3a4df6dc" title="The number of values per result of the output.">binCount</a>;
<a name="l00248"></a>00248 
<a name="l00253"></a><a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#a31d9b79e2d8241344f551a22fcb5c8c7">00253</a>         std::vector&lt;std::string&gt; <a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#a31d9b79e2d8241344f551a22fcb5c8c7" title="The (human-readable) names of each of the bins, if appropriate.">binNames</a>;
<a name="l00254"></a>00254 
<a name="l00260"></a><a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#ae9ccb65f99f477096b65dd031f4c5e31">00260</a>         <span class="keywordtype">bool</span> <a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#ae9ccb65f99f477096b65dd031f4c5e31" title="True if the results in each output bin fall within a fixed numeric range (minimum and maximum values)...">hasKnownExtents</a>;
<a name="l00261"></a>00261 
<a name="l00266"></a><a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#ac9f5924c0be7571bba8e7ae7e7a921f4">00266</a>         <span class="keywordtype">float</span> <a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#ac9f5924c0be7571bba8e7ae7e7a921f4" title="Minimum value of the results in the output.">minValue</a>;
<a name="l00267"></a>00267 
<a name="l00272"></a><a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#a907b4e8fbb48a46ac5a05f880d72719f">00272</a>         <span class="keywordtype">float</span> <a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#a907b4e8fbb48a46ac5a05f880d72719f" title="Maximum value of the results in the output.">maxValue</a>;
<a name="l00273"></a>00273 
<a name="l00278"></a><a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#a1b4858928d23bfd7d5bc557c82a83fb4">00278</a>         <span class="keywordtype">bool</span> <a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#a1b4858928d23bfd7d5bc557c82a83fb4" title="True if the output values are quantized to a particular resolution.">isQuantized</a>;
<a name="l00279"></a>00279 
<a name="l00285"></a><a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#a3bed37153067b625b95acb40b60dbf0b">00285</a>         <span class="keywordtype">float</span> <a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#a3bed37153067b625b95acb40b60dbf0b" title="Quantization resolution of the output values (e.g.">quantizeStep</a>;
<a name="l00286"></a>00286 
<a name="l00287"></a><a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#abffa9ed50cd756df70fd51f0355f448c">00287</a>         <span class="keyword">enum</span> <a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#abffa9ed50cd756df70fd51f0355f448c">SampleType</a> {
<a name="l00288"></a>00288 
<a name="l00290"></a><a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#abffa9ed50cd756df70fd51f0355f448ca0459d5d0d2198d21e8bc90abe4fdccca">00290</a>             <a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#abffa9ed50cd756df70fd51f0355f448ca0459d5d0d2198d21e8bc90abe4fdccca" title="Results from each process() align with that call&#39;s block start.">OneSamplePerStep</a>,
<a name="l00291"></a>00291 
<a name="l00293"></a><a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#abffa9ed50cd756df70fd51f0355f448ca4c74bd2fc96dfe2815623f94b40e5629">00293</a>             <a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#abffa9ed50cd756df70fd51f0355f448ca4c74bd2fc96dfe2815623f94b40e5629" title="Results are evenly spaced in time (sampleRate specified below)">FixedSampleRate</a>,
<a name="l00294"></a>00294 
<a name="l00296"></a><a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#abffa9ed50cd756df70fd51f0355f448cadea995a737867f7b22b52f1c43c5432e">00296</a>             VariableSampleRate
<a name="l00297"></a>00297         };
<a name="l00298"></a>00298 
<a name="l00302"></a><a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#a0d1194980d44e31b25ef3b4b070d6b5d">00302</a>         <a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#abffa9ed50cd756df70fd51f0355f448c">SampleType</a> <a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#a0d1194980d44e31b25ef3b4b070d6b5d" title="Positioning in time of the output results.">sampleType</a>;
<a name="l00303"></a>00303 
<a name="l00314"></a><a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#add0cbbdfa9c91764037c39365b1d42af">00314</a>         <span class="keywordtype">float</span> <a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#add0cbbdfa9c91764037c39365b1d42af" title="Sample rate of the output results, as samples per second.">sampleRate</a>;
<a name="l00315"></a>00315 
<a name="l00320"></a><a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#ab0d7cc6ab19e53b5bd12ee234f549ea3">00320</a>         <span class="keywordtype">bool</span> <a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#ab0d7cc6ab19e53b5bd12ee234f549ea3" title="True if the returned results for this output are known to have a duration field.">hasDuration</a>;
<a name="l00321"></a>00321 
<a name="l00322"></a><a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html#a1ebf91cc3f60e4cbba818c10591cd344">00322</a>         <a class="code" href="structVamp_1_1Plugin_1_1OutputDescriptor.html">OutputDescriptor</a>() : <span class="comment">// defaults for mandatory non-class-type members</span>
<a name="l00323"></a>00323             hasFixedBinCount(false), hasKnownExtents(false), isQuantized(false),
<a name="l00324"></a>00324             sampleType(OneSamplePerStep), hasDuration(false) { }
<a name="l00325"></a>00325     };
<a name="l00326"></a>00326 
<a name="l00327"></a><a class="code" href="classVamp_1_1Plugin.html#a30f531b8fb69fac41a24e3d2a6a08ed9">00327</a>     <span class="keyword">typedef</span> std::vector&lt;OutputDescriptor&gt; <a class="code" href="classVamp_1_1Plugin.html#a30f531b8fb69fac41a24e3d2a6a08ed9">OutputList</a>;
<a name="l00328"></a>00328 
<a name="l00334"></a>00334     <span class="keyword">virtual</span> <a class="code" href="classVamp_1_1Plugin.html#a30f531b8fb69fac41a24e3d2a6a08ed9">OutputList</a> getOutputDescriptors() <span class="keyword">const</span> = 0;
<a name="l00335"></a>00335 
<a name="l00336"></a><a class="code" href="structVamp_1_1Plugin_1_1Feature.html">00336</a>     <span class="keyword">struct </span><a class="code" href="structVamp_1_1Plugin_1_1Feature.html">Feature</a>
<a name="l00337"></a>00337     {
<a name="l00344"></a><a class="code" href="structVamp_1_1Plugin_1_1Feature.html#a98907091d0b6a589720ae35ae588a82b">00344</a>         <span class="keywordtype">bool</span> <a class="code" href="structVamp_1_1Plugin_1_1Feature.html#a98907091d0b6a589720ae35ae588a82b" title="True if an output feature has its own timestamp.">hasTimestamp</a>;
<a name="l00345"></a>00345 
<a name="l00352"></a><a class="code" href="structVamp_1_1Plugin_1_1Feature.html#acaa605f36839c07e76f4882f5e22d8d7">00352</a>         <a class="code" href="structVamp_1_1RealTime.html" title="RealTime represents time values to nanosecond precision with accurate arithmetic and frame-rate conve...">RealTime</a> <a class="code" href="structVamp_1_1Plugin_1_1Feature.html#acaa605f36839c07e76f4882f5e22d8d7" title="Timestamp of the output feature.">timestamp</a>;
<a name="l00353"></a>00353 
<a name="l00360"></a><a class="code" href="structVamp_1_1Plugin_1_1Feature.html#a33686757bd4481c72494122e9bfb9fba">00360</a>         <span class="keywordtype">bool</span> <a class="code" href="structVamp_1_1Plugin_1_1Feature.html#a33686757bd4481c72494122e9bfb9fba" title="True if an output feature has a specified duration.">hasDuration</a>;
<a name="l00361"></a>00361 
<a name="l00367"></a><a class="code" href="structVamp_1_1Plugin_1_1Feature.html#af687c0a7fe041757e922ec296862b115">00367</a>         <a class="code" href="structVamp_1_1RealTime.html" title="RealTime represents time values to nanosecond precision with accurate arithmetic and frame-rate conve...">RealTime</a> <a class="code" href="structVamp_1_1Plugin_1_1Feature.html#af687c0a7fe041757e922ec296862b115" title="Duration of the output feature.">duration</a>;
<a name="l00368"></a>00368         
<a name="l00374"></a><a class="code" href="structVamp_1_1Plugin_1_1Feature.html#a60b9f3057386820dbcaec0eb1189ce71">00374</a>         std::vector&lt;float&gt; <a class="code" href="structVamp_1_1Plugin_1_1Feature.html#a60b9f3057386820dbcaec0eb1189ce71" title="Results for a single sample of this feature.">values</a>;
<a name="l00375"></a>00375 
<a name="l00379"></a><a class="code" href="structVamp_1_1Plugin_1_1Feature.html#a8eb1fb35f73b247ed13de9527c18f036">00379</a>         std::string <a class="code" href="structVamp_1_1Plugin_1_1Feature.html#a8eb1fb35f73b247ed13de9527c18f036" title="Label for the sample of this feature.">label</a>;
<a name="l00380"></a>00380 
<a name="l00381"></a><a class="code" href="structVamp_1_1Plugin_1_1Feature.html#acd4b4cd0d2c31512f4a5df50f8f7a7b8">00381</a>         <a class="code" href="structVamp_1_1Plugin_1_1Feature.html">Feature</a>() : <span class="comment">// defaults for mandatory non-class-type members</span>
<a name="l00382"></a>00382             hasTimestamp(false), hasDuration(false) { }
<a name="l00383"></a>00383     };
<a name="l00384"></a>00384 
<a name="l00385"></a><a class="code" href="classVamp_1_1Plugin.html#a0730bc72c87fa02eb8d2854b233f7be1">00385</a>     <span class="keyword">typedef</span> std::vector&lt;Feature&gt; <a class="code" href="classVamp_1_1Plugin.html#a0730bc72c87fa02eb8d2854b233f7be1">FeatureList</a>;
<a name="l00386"></a>00386 
<a name="l00387"></a><a class="code" href="classVamp_1_1Plugin.html#a448fb57dc245d47923ec9eeaf9856c5f">00387</a>     <span class="keyword">typedef</span> std::map&lt;int, FeatureList&gt; <a class="code" href="classVamp_1_1Plugin.html#a448fb57dc245d47923ec9eeaf9856c5f">FeatureSet</a>; <span class="comment">// key is output no</span>
<a name="l00388"></a>00388 
<a name="l00416"></a>00416     <span class="keyword">virtual</span> <a class="code" href="classVamp_1_1Plugin.html#a448fb57dc245d47923ec9eeaf9856c5f">FeatureSet</a> process(<span class="keyword">const</span> <span class="keywordtype">float</span> *<span class="keyword">const</span> *inputBuffers,
<a name="l00417"></a>00417                                <a class="code" href="structVamp_1_1RealTime.html" title="RealTime represents time values to nanosecond precision with accurate arithmetic and frame-rate conve...">RealTime</a> timestamp) = 0;
<a name="l00418"></a>00418 
<a name="l00423"></a>00423     <span class="keyword">virtual</span> <a class="code" href="classVamp_1_1Plugin.html#a448fb57dc245d47923ec9eeaf9856c5f">FeatureSet</a> getRemainingFeatures() = 0;
<a name="l00424"></a>00424 
<a name="l00430"></a><a class="code" href="classVamp_1_1Plugin.html#abe13b3997a69fbcc09e2213faa352f91">00430</a>     <span class="keyword">virtual</span> std::string <a class="code" href="classVamp_1_1Plugin.html#abe13b3997a69fbcc09e2213faa352f91" title="Used to distinguish between Vamp::Plugin and other potential sibling subclasses of PluginBase...">getType</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="stringliteral">&quot;Feature Extraction Plugin&quot;</span>; }
<a name="l00431"></a>00431 
<a name="l00432"></a>00432 <span class="keyword">protected</span>:
<a name="l00433"></a><a class="code" href="classVamp_1_1Plugin.html#a1b78c4f46c72ef345ed27f0b9bf20ac9">00433</a>     <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...">Plugin</a>(<span class="keywordtype">float</span> inputSampleRate) :
<a name="l00434"></a>00434         m_inputSampleRate(inputSampleRate) { }
<a name="l00435"></a>00435 
<a name="l00436"></a><a class="code" href="classVamp_1_1Plugin.html#a59b9dd82a4f4eb946cd0474cc81abc23">00436</a>     <span class="keywordtype">float</span> <a class="code" href="classVamp_1_1Plugin.html#a59b9dd82a4f4eb946cd0474cc81abc23">m_inputSampleRate</a>;
<a name="l00437"></a>00437 };
<a name="l00438"></a>00438 
<a name="l00439"></a>00439 }
<a name="l00440"></a>00440 
<a name="l00441"></a>00441 <a class="code" href="plugguard_8h.html#ac879bb1077ecc6132ea3581ef9033753">_VAMP_SDK_PLUGSPACE_END</a>(Plugin.h)
<a name="l00442"></a>00442 
<a name="l00443"></a>00443 <span class="preprocessor">#endif</span>
<a name="l00444"></a>00444 <span class="preprocessor"></span>
<a name="l00445"></a>00445 
<a name="l00446"></a>00446 
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