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| date | Mon, 22 Sep 2008 13:01:46 +0000 |
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"> <title>VampPluginSDK: PluginLoader.cpp Source File</title> <link href="doxygen.css" rel="stylesheet" type="text/css"> <link href="tabs.css" rel="stylesheet" type="text/css"> </head><body> <!-- Generated by Doxygen 1.5.5 --> <div class="navigation" id="top"> <div class="tabs"> <ul> <li><a href="main.html"><span>Main Page</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> <li><a href="dirs.html"><span>Directories</span></a></li> </ul> </div> <div class="navpath"><a class="el" href="dir_5b77fce4b90561041d958141b45c7c55.html">vamp-sdk</a> » <a class="el" href="dir_fa454903fff8cd477733ebe28a3468c0.html">hostext</a> </div> </div> </div> <h1>PluginLoader.cpp</h1><a href="PluginLoader_8cpp.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 2006-2007 Chris Cannam and QMUL.</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 "Software"), 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 "AS IS", 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">#include "<a class="code" href="PluginHostAdapter_8h.html">vamp-sdk/PluginHostAdapter.h</a>"</span> <a name="l00038"></a>00038 <span class="preprocessor">#include "<a class="code" href="PluginLoader_8h.html">PluginLoader.h</a>"</span> <a name="l00039"></a>00039 <span class="preprocessor">#include "<a class="code" href="PluginInputDomainAdapter_8h.html">PluginInputDomainAdapter.h</a>"</span> <a name="l00040"></a>00040 <span class="preprocessor">#include "<a class="code" href="PluginChannelAdapter_8h.html">PluginChannelAdapter.h</a>"</span> <a name="l00041"></a>00041 <span class="preprocessor">#include "<a class="code" href="PluginBufferingAdapter_8h.html">PluginBufferingAdapter.h</a>"</span> <a name="l00042"></a>00042 <a name="l00043"></a>00043 <span class="preprocessor">#include <fstream></span> <a name="l00044"></a>00044 <span class="preprocessor">#include <cctype></span> <span class="comment">// tolower</span> <a name="l00045"></a>00045 <a name="l00046"></a>00046 <span class="preprocessor">#include <cstring></span> <a name="l00047"></a>00047 <a name="l00048"></a>00048 <span class="preprocessor">#ifdef _WIN32</span> <a name="l00049"></a>00049 <span class="preprocessor"></span> <a name="l00050"></a>00050 <span class="preprocessor">#include <windows.h></span> <a name="l00051"></a>00051 <span class="preprocessor">#include <tchar.h></span> <a name="l00052"></a>00052 <span class="preprocessor">#define PLUGIN_SUFFIX "dll"</span> <a name="l00053"></a>00053 <span class="preprocessor"></span> <a name="l00054"></a>00054 <span class="preprocessor">#else </span><span class="comment">/* ! _WIN32 */</span> <a name="l00055"></a>00055 <a name="l00056"></a>00056 <span class="preprocessor">#include <dirent.h></span> <a name="l00057"></a>00057 <span class="preprocessor">#include <dlfcn.h></span> <a name="l00058"></a>00058 <a name="l00059"></a>00059 <span class="preprocessor">#ifdef __APPLE__</span> <a name="l00060"></a>00060 <span class="preprocessor"></span><span class="preprocessor">#define PLUGIN_SUFFIX "dylib"</span> <a name="l00061"></a>00061 <span class="preprocessor"></span><span class="preprocessor">#else </span><span class="comment">/* ! __APPLE__ */</span> <a name="l00062"></a><a class="code" href="PluginLoader_8cpp.html#1efbc9bb9a9f2837d3f7386af8607abf">00062</a> <span class="preprocessor">#define PLUGIN_SUFFIX "so"</span> <a name="l00063"></a>00063 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* ! __APPLE__ */</span> <a name="l00064"></a>00064 <a name="l00065"></a>00065 <span class="preprocessor">#endif </span><span class="comment">/* ! _WIN32 */</span> <a name="l00066"></a>00066 <a name="l00067"></a>00067 <span class="keyword">using namespace </span>std; <a name="l00068"></a>00068 <a name="l00069"></a>00069 <span class="keyword">namespace </span>Vamp { <a name="l00070"></a>00070 <a name="l00071"></a>00071 <span class="keyword">namespace </span>HostExt { <a name="l00072"></a>00072 <a name="l00073"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html">00073</a> <span class="keyword">class </span><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html">PluginLoader::Impl</a> <a name="l00074"></a>00074 { <a name="l00075"></a>00075 <span class="keyword">public</span>: <a name="l00076"></a>00076 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#ddac537272c2eb69973cbb942dc11deb">Impl</a>(); <a name="l00077"></a>00077 <span class="keyword">virtual</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#1e28874a14fafaf015404694da5fcfc8">~Impl</a>(); <a name="l00078"></a>00078 <a name="l00079"></a>00079 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#0d48b76e4f995110f53e0feeb23f733a" title="PluginKeyList is a sequence of plugin keys, such as returned by listPlugins().">PluginKeyList</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#398ccb508176f5550b2b2ca05f1fa3eb">listPlugins</a>(); <a name="l00080"></a>00080 <a name="l00081"></a>00081 <a class="code" href="classVamp_1_1Plugin.html" title="Vamp::Plugin is a base class for plugin instance classes that provide feature extraction...">Plugin</a> *<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#3f6c4872459007b13722818cbdac409c">loadPlugin</a>(<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#473645bbb3ac5c1a0da2f0f482947c4d" title="PluginKey is a string type that is used to identify a plugin uniquely within the...">PluginKey</a> key, <a name="l00082"></a>00082 <span class="keywordtype">float</span> inputSampleRate, <a name="l00083"></a>00083 <span class="keywordtype">int</span> adapterFlags); <a name="l00084"></a>00084 <a name="l00085"></a>00085 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#473645bbb3ac5c1a0da2f0f482947c4d" title="PluginKey is a string type that is used to identify a plugin uniquely within the...">PluginKey</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#c84fafd9b12d44f8756628571b57d7ea">composePluginKey</a>(<span class="keywordtype">string</span> libraryName, <span class="keywordtype">string</span> identifier); <a name="l00086"></a>00086 <a name="l00087"></a>00087 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#d6a39aa0c79d8d9209eb0b8dfe9d1364" title="PluginCategoryHierarchy is a sequence of general-&gt;specific category names, as...">PluginCategoryHierarchy</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#de4a5a8acbd85537c99440c4ac974be4">getPluginCategory</a>(<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#473645bbb3ac5c1a0da2f0f482947c4d" title="PluginKey is a string type that is used to identify a plugin uniquely within the...">PluginKey</a> key); <a name="l00088"></a>00088 <a name="l00089"></a>00089 <span class="keywordtype">string</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#aac3ed8bf770f0675e624d411dab3efb">getLibraryPathForPlugin</a>(<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#473645bbb3ac5c1a0da2f0f482947c4d" title="PluginKey is a string type that is used to identify a plugin uniquely within the...">PluginKey</a> key); <a name="l00090"></a>00090 <a name="l00091"></a>00091 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#b7147ecb2186a715b0f7e83ba70f0946">setInstanceToClean</a>(<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html" title="Vamp::HostExt::PluginLoader is a convenience class for discovering and loading Vamp...">PluginLoader</a> *instance); <a name="l00092"></a>00092 <a name="l00093"></a>00093 <span class="keyword">protected</span>: <a name="l00094"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1PluginDeletionNotifyAdapter.html">00094</a> <span class="keyword">class </span><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1PluginDeletionNotifyAdapter.html">PluginDeletionNotifyAdapter</a> : <span class="keyword">public</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginWrapper.html" title="PluginWrapper is a simple base class for adapter plugins.">PluginWrapper</a> { <a name="l00095"></a>00095 <span class="keyword">public</span>: <a name="l00096"></a>00096 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1PluginDeletionNotifyAdapter.html#80196e30ed72a4f45b4152a3991d7777">PluginDeletionNotifyAdapter</a>(<a class="code" href="classVamp_1_1Plugin.html" title="Vamp::Plugin is a base class for plugin instance classes that provide feature extraction...">Plugin</a> *plugin, <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html">Impl</a> *loader); <a name="l00097"></a>00097 <span class="keyword">virtual</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1PluginDeletionNotifyAdapter.html#bb85c0134c354c0854f3868a60d0193f">~PluginDeletionNotifyAdapter</a>(); <a name="l00098"></a>00098 <span class="keyword">protected</span>: <a name="l00099"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1PluginDeletionNotifyAdapter.html#1fb8473ea9ad73b1b6a00b92345d8397">00099</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html">Impl</a> *<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1PluginDeletionNotifyAdapter.html#1fb8473ea9ad73b1b6a00b92345d8397">m_loader</a>; <a name="l00100"></a>00100 }; <a name="l00101"></a>00101 <a name="l00102"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1InstanceCleaner.html">00102</a> <span class="keyword">class </span><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1InstanceCleaner.html">InstanceCleaner</a> { <a name="l00103"></a>00103 <span class="keyword">public</span>: <a name="l00104"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1InstanceCleaner.html#94ae2e994b87be62dd401852fb8d49fd">00104</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1InstanceCleaner.html#94ae2e994b87be62dd401852fb8d49fd">InstanceCleaner</a>() : <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1InstanceCleaner.html#2b6d3d267fe1754ea3dca7bb6d48fc70">m_instance</a>(0) { } <a name="l00105"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1InstanceCleaner.html#246ddea5df77287755b1aaef734538bf">00105</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1InstanceCleaner.html#246ddea5df77287755b1aaef734538bf">~InstanceCleaner</a>() { <span class="keyword">delete</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1InstanceCleaner.html#2b6d3d267fe1754ea3dca7bb6d48fc70">m_instance</a>; } <a name="l00106"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1InstanceCleaner.html#11edf3783377088dd757b46d9b2c9101">00106</a> <span class="keywordtype">void</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1InstanceCleaner.html#11edf3783377088dd757b46d9b2c9101">setInstance</a>(<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html" title="Vamp::HostExt::PluginLoader is a convenience class for discovering and loading Vamp...">PluginLoader</a> *instance) { <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1InstanceCleaner.html#2b6d3d267fe1754ea3dca7bb6d48fc70">m_instance</a> = instance; } <a name="l00107"></a>00107 <span class="keyword">protected</span>: <a name="l00108"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1InstanceCleaner.html#2b6d3d267fe1754ea3dca7bb6d48fc70">00108</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html" title="Vamp::HostExt::PluginLoader is a convenience class for discovering and loading Vamp...">PluginLoader</a> *<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1InstanceCleaner.html#2b6d3d267fe1754ea3dca7bb6d48fc70">m_instance</a>; <a name="l00109"></a>00109 }; <a name="l00110"></a>00110 <a name="l00111"></a>00111 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#e0a6e1bf07a62eb6a34a1393bc3da26c">pluginDeleted</a>(<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1PluginDeletionNotifyAdapter.html">PluginDeletionNotifyAdapter</a> *adapter); <a name="l00112"></a>00112 <a name="l00113"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#59f6310a3bb71f761b635d06408713f3">00113</a> map<PluginKey, string> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#59f6310a3bb71f761b635d06408713f3">m_pluginLibraryNameMap</a>; <a name="l00114"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#d7b867e5cf9c29ad7254f567849f9913">00114</a> <span class="keywordtype">bool</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#d7b867e5cf9c29ad7254f567849f9913">m_allPluginsEnumerated</a>; <a name="l00115"></a>00115 <span class="keywordtype">void</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#6fb71e4d0b4ff367ffef141c5e62763d">enumeratePlugins</a>(<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#473645bbb3ac5c1a0da2f0f482947c4d" title="PluginKey is a string type that is used to identify a plugin uniquely within the...">PluginKey</a> forPlugin = <span class="stringliteral">""</span>); <a name="l00116"></a>00116 <a name="l00117"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#2ba901c7e59ece349b715d4a3fec7b04">00117</a> map<PluginKey, PluginCategoryHierarchy> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#2ba901c7e59ece349b715d4a3fec7b04">m_taxonomy</a>; <a name="l00118"></a>00118 <span class="keywordtype">void</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#923d9ace30548d8f3cce58b4037ec9e4">generateTaxonomy</a>(); <a name="l00119"></a>00119 <a name="l00120"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#1c3cee03d20e669c8b9379247a222600">00120</a> map<Plugin *, void *> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#1c3cee03d20e669c8b9379247a222600">m_pluginLibraryHandleMap</a>; <a name="l00121"></a>00121 <a name="l00122"></a>00122 <span class="keywordtype">bool</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#b06d720c0d53f908426ce244294d38ed">decomposePluginKey</a>(<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#473645bbb3ac5c1a0da2f0f482947c4d" title="PluginKey is a string type that is used to identify a plugin uniquely within the...">PluginKey</a> key, <a name="l00123"></a>00123 <span class="keywordtype">string</span> &libraryName, <span class="keywordtype">string</span> &identifier); <a name="l00124"></a>00124 <a name="l00125"></a>00125 <span class="keywordtype">void</span> *<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#c0618149e415b7fd8ad782f434070752">loadLibrary</a>(<span class="keywordtype">string</span> path); <a name="l00126"></a>00126 <span class="keywordtype">void</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#6a93367036f896d505f553b616e1e7aa">unloadLibrary</a>(<span class="keywordtype">void</span> *handle); <a name="l00127"></a>00127 <span class="keywordtype">void</span> *<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#ec71088ca89ba77f357bde8b37b807f8">lookupInLibrary</a>(<span class="keywordtype">void</span> *handle, <span class="keyword">const</span> <span class="keywordtype">char</span> *symbol); <a name="l00128"></a>00128 <a name="l00129"></a>00129 <span class="keywordtype">string</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#eb7a794c0a2410a81a382a08e8a0143c">splicePath</a>(<span class="keywordtype">string</span> a, <span class="keywordtype">string</span> b); <a name="l00130"></a>00130 vector<string> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#2dd3964e84bca56390cd31b079fbc01f">listFiles</a>(<span class="keywordtype">string</span> dir, <span class="keywordtype">string</span> ext); <a name="l00131"></a>00131 <a name="l00132"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#5d03696d9093949f627bd684c8db44c2">00132</a> <span class="keyword">static</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1InstanceCleaner.html">InstanceCleaner</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#5d03696d9093949f627bd684c8db44c2">m_cleaner</a>; <a name="l00133"></a>00133 }; <a name="l00134"></a>00134 <a name="l00135"></a>00135 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html" title="Vamp::HostExt::PluginLoader is a convenience class for discovering and loading Vamp...">PluginLoader</a> * <a name="l00136"></a>00136 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#aa4eae58ddbadf6537a95dbb6e957187">PluginLoader::m_instance</a> = 0; <a name="l00137"></a>00137 <a name="l00138"></a>00138 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1InstanceCleaner.html">PluginLoader::Impl::InstanceCleaner</a> <a name="l00139"></a>00139 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#5d03696d9093949f627bd684c8db44c2">PluginLoader::Impl::m_cleaner</a>; <a name="l00140"></a>00140 <a name="l00141"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#5ab9e0281244bef7976c6c0ce1a55c24">00141</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#5ab9e0281244bef7976c6c0ce1a55c24">PluginLoader::PluginLoader</a>() <a name="l00142"></a>00142 { <a name="l00143"></a>00143 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#c12254d823f6d63cb8ce82a07bdcb072">m_impl</a> = <span class="keyword">new</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html">Impl</a>(); <a name="l00144"></a>00144 } <a name="l00145"></a>00145 <a name="l00146"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#9e092d864efdc0f16c032bfb25e76dea">00146</a> PluginLoader::~PluginLoader() <a name="l00147"></a>00147 { <a name="l00148"></a>00148 <span class="keyword">delete</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#c12254d823f6d63cb8ce82a07bdcb072">m_impl</a>; <a name="l00149"></a>00149 } <a name="l00150"></a>00150 <a name="l00151"></a>00151 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html" title="Vamp::HostExt::PluginLoader is a convenience class for discovering and loading Vamp...">PluginLoader</a> * <a name="l00152"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#dbb5c8855697a24be890e4f107e26b0e">00152</a> PluginLoader::getInstance() <a name="l00153"></a>00153 { <a name="l00154"></a>00154 <span class="keywordflow">if</span> (!<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#aa4eae58ddbadf6537a95dbb6e957187">m_instance</a>) { <a name="l00155"></a>00155 <span class="comment">// The cleaner doesn't own the instance, because we leave the</span> <a name="l00156"></a>00156 <span class="comment">// instance pointer in the base class for binary backwards</span> <a name="l00157"></a>00157 <span class="comment">// compatibility reasons and to avoid waste</span> <a name="l00158"></a>00158 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#aa4eae58ddbadf6537a95dbb6e957187">m_instance</a> = <span class="keyword">new</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#5ab9e0281244bef7976c6c0ce1a55c24">PluginLoader</a>(); <a name="l00159"></a>00159 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#b7147ecb2186a715b0f7e83ba70f0946">Impl::setInstanceToClean</a>(<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#aa4eae58ddbadf6537a95dbb6e957187">m_instance</a>); <a name="l00160"></a>00160 } <a name="l00161"></a>00161 <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#aa4eae58ddbadf6537a95dbb6e957187">m_instance</a>; <a name="l00162"></a>00162 } <a name="l00163"></a>00163 <a name="l00164"></a>00164 vector<PluginLoader::PluginKey> <a name="l00165"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#ec450c2928b1ae5318d45972722dd16b">00165</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#ec450c2928b1ae5318d45972722dd16b" title="Search for all available Vamp plugins, and return a list of them in the order in...">PluginLoader::listPlugins</a>() <a name="l00166"></a>00166 { <a name="l00167"></a>00167 <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#c12254d823f6d63cb8ce82a07bdcb072">m_impl</a>-><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#398ccb508176f5550b2b2ca05f1fa3eb">listPlugins</a>(); <a name="l00168"></a>00168 } <a name="l00169"></a>00169 <a name="l00170"></a>00170 <a class="code" href="classVamp_1_1Plugin.html" title="Vamp::Plugin is a base class for plugin instance classes that provide feature extraction...">Plugin</a> * <a name="l00171"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#2154970381343edef629482bdafea7e2">00171</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#2154970381343edef629482bdafea7e2" title="Load a Vamp plugin, given its identifying key.">PluginLoader::loadPlugin</a>(<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#473645bbb3ac5c1a0da2f0f482947c4d" title="PluginKey is a string type that is used to identify a plugin uniquely within the...">PluginKey</a> key, <a name="l00172"></a>00172 <span class="keywordtype">float</span> inputSampleRate, <a name="l00173"></a>00173 <span class="keywordtype">int</span> adapterFlags) <a name="l00174"></a>00174 { <a name="l00175"></a>00175 <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#c12254d823f6d63cb8ce82a07bdcb072">m_impl</a>-><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#3f6c4872459007b13722818cbdac409c">loadPlugin</a>(key, inputSampleRate, adapterFlags); <a name="l00176"></a>00176 } <a name="l00177"></a>00177 <a name="l00178"></a>00178 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#473645bbb3ac5c1a0da2f0f482947c4d" title="PluginKey is a string type that is used to identify a plugin uniquely within the...">PluginLoader::PluginKey</a> <a name="l00179"></a>00179 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#cc6865d27825c100d7b6f9ed6ecf5207" title="Given a Vamp plugin library name and plugin identifier, return the corresponding...">PluginLoader::composePluginKey</a>(<span class="keywordtype">string</span> libraryName, <span class="keywordtype">string</span> identifier) <a name="l00180"></a>00180 { <a name="l00181"></a>00181 <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#c12254d823f6d63cb8ce82a07bdcb072">m_impl</a>-><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#c84fafd9b12d44f8756628571b57d7ea">composePluginKey</a>(libraryName, identifier); <a name="l00182"></a>00182 } <a name="l00183"></a>00183 <a name="l00184"></a>00184 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#d6a39aa0c79d8d9209eb0b8dfe9d1364" title="PluginCategoryHierarchy is a sequence of general-&gt;specific category names, as...">PluginLoader::PluginCategoryHierarchy</a> <a name="l00185"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#d5c594142ff058bd70e66247d45cd86e">00185</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#d5c594142ff058bd70e66247d45cd86e" title="Return the category hierarchy for a Vamp plugin, given its identifying key.">PluginLoader::getPluginCategory</a>(<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#473645bbb3ac5c1a0da2f0f482947c4d" title="PluginKey is a string type that is used to identify a plugin uniquely within the...">PluginKey</a> key) <a name="l00186"></a>00186 { <a name="l00187"></a>00187 <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#c12254d823f6d63cb8ce82a07bdcb072">m_impl</a>-><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#de4a5a8acbd85537c99440c4ac974be4">getPluginCategory</a>(key); <a name="l00188"></a>00188 } <a name="l00189"></a>00189 <a name="l00190"></a>00190 <span class="keywordtype">string</span> <a name="l00191"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#592d6b4c6edaa369407e833f56e4a4de">00191</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#592d6b4c6edaa369407e833f56e4a4de" title="Return the file path of the dynamic library from which the given plugin will be loaded...">PluginLoader::getLibraryPathForPlugin</a>(<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#473645bbb3ac5c1a0da2f0f482947c4d" title="PluginKey is a string type that is used to identify a plugin uniquely within the...">PluginKey</a> key) <a name="l00192"></a>00192 { <a name="l00193"></a>00193 <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#c12254d823f6d63cb8ce82a07bdcb072">m_impl</a>-><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#aac3ed8bf770f0675e624d411dab3efb">getLibraryPathForPlugin</a>(key); <a name="l00194"></a>00194 } <a name="l00195"></a>00195 <a name="l00196"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#ddac537272c2eb69973cbb942dc11deb">00196</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#ddac537272c2eb69973cbb942dc11deb">PluginLoader::Impl::Impl</a>() : <a name="l00197"></a>00197 m_allPluginsEnumerated(false) <a name="l00198"></a>00198 { <a name="l00199"></a>00199 } <a name="l00200"></a>00200 <a name="l00201"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#1e28874a14fafaf015404694da5fcfc8">00201</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#1e28874a14fafaf015404694da5fcfc8">PluginLoader::Impl::~Impl</a>() <a name="l00202"></a>00202 { <a name="l00203"></a>00203 } <a name="l00204"></a>00204 <a name="l00205"></a>00205 <span class="keywordtype">void</span> <a name="l00206"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#b7147ecb2186a715b0f7e83ba70f0946">00206</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#b7147ecb2186a715b0f7e83ba70f0946">PluginLoader::Impl::setInstanceToClean</a>(<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html" title="Vamp::HostExt::PluginLoader is a convenience class for discovering and loading Vamp...">PluginLoader</a> *instance) <a name="l00207"></a>00207 { <a name="l00208"></a>00208 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#5d03696d9093949f627bd684c8db44c2">m_cleaner</a>.<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1InstanceCleaner.html#11edf3783377088dd757b46d9b2c9101">setInstance</a>(instance); <a name="l00209"></a>00209 } <a name="l00210"></a>00210 <a name="l00211"></a>00211 vector<PluginLoader::PluginKey> <a name="l00212"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#398ccb508176f5550b2b2ca05f1fa3eb">00212</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#398ccb508176f5550b2b2ca05f1fa3eb">PluginLoader::Impl::listPlugins</a>() <a name="l00213"></a>00213 { <a name="l00214"></a>00214 <span class="keywordflow">if</span> (!<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#d7b867e5cf9c29ad7254f567849f9913">m_allPluginsEnumerated</a>) <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#6fb71e4d0b4ff367ffef141c5e62763d">enumeratePlugins</a>(); <a name="l00215"></a>00215 <a name="l00216"></a>00216 vector<PluginKey> plugins; <a name="l00217"></a>00217 <span class="keywordflow">for</span> (map<PluginKey, string>::iterator mi = <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#59f6310a3bb71f761b635d06408713f3">m_pluginLibraryNameMap</a>.begin(); <a name="l00218"></a>00218 mi != <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#59f6310a3bb71f761b635d06408713f3">m_pluginLibraryNameMap</a>.end(); ++mi) { <a name="l00219"></a>00219 plugins.push_back(mi->first); <a name="l00220"></a>00220 } <a name="l00221"></a>00221 <a name="l00222"></a>00222 <span class="keywordflow">return</span> plugins; <a name="l00223"></a>00223 } <a name="l00224"></a>00224 <a name="l00225"></a>00225 <span class="keywordtype">void</span> <a name="l00226"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#6fb71e4d0b4ff367ffef141c5e62763d">00226</a> <a class="code" href="vamp-simple-host_8cpp.html#80dad9e80d85fdf86b7714bf1b3c1017">PluginLoader::Impl::enumeratePlugins</a>(<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#473645bbb3ac5c1a0da2f0f482947c4d" title="PluginKey is a string type that is used to identify a plugin uniquely within the...">PluginKey</a> forPlugin) <a name="l00227"></a>00227 { <a name="l00228"></a>00228 vector<string> path = <a class="code" href="classVamp_1_1PluginHostAdapter.html#08d7ed3a11bf4a3c30fa0f9b41a0fed6">PluginHostAdapter::getPluginPath</a>(); <a name="l00229"></a>00229 <a name="l00230"></a>00230 <span class="keywordtype">string</span> libraryName, identifier; <a name="l00231"></a>00231 <span class="keywordflow">if</span> (forPlugin != <span class="stringliteral">""</span>) { <a name="l00232"></a>00232 <span class="keywordflow">if</span> (!<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#b06d720c0d53f908426ce244294d38ed">decomposePluginKey</a>(forPlugin, libraryName, identifier)) { <a name="l00233"></a>00233 std::cerr << <span class="stringliteral">"WARNING: Vamp::HostExt::PluginLoader: Invalid plugin key \""</span> <a name="l00234"></a>00234 << forPlugin << <span class="stringliteral">"\" in enumerate"</span> << std::endl; <a name="l00235"></a>00235 <span class="keywordflow">return</span>; <a name="l00236"></a>00236 } <a name="l00237"></a>00237 } <a name="l00238"></a>00238 <a name="l00239"></a>00239 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < path.size(); ++i) { <a name="l00240"></a>00240 <a name="l00241"></a>00241 vector<string> files = <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#2dd3964e84bca56390cd31b079fbc01f">listFiles</a>(path[i], <a class="code" href="PluginLoader_8cpp.html#1efbc9bb9a9f2837d3f7386af8607abf">PLUGIN_SUFFIX</a>); <a name="l00242"></a>00242 <a name="l00243"></a>00243 <span class="keywordflow">for</span> (vector<string>::iterator fi = files.begin(); <a name="l00244"></a>00244 fi != files.end(); ++fi) { <a name="l00245"></a>00245 <a name="l00246"></a>00246 <span class="keywordflow">if</span> (libraryName != <span class="stringliteral">""</span>) { <a name="l00247"></a>00247 <span class="comment">// libraryName is lowercased and lacking an extension,</span> <a name="l00248"></a>00248 <span class="comment">// as it came from the plugin key</span> <a name="l00249"></a>00249 <span class="keywordtype">string</span> temp = *fi; <a name="l00250"></a>00250 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < temp.length(); ++i) { <a name="l00251"></a>00251 temp[i] = tolower(temp[i]); <a name="l00252"></a>00252 } <a name="l00253"></a>00253 string::size_type pi = temp.find(<span class="charliteral">'.'</span>); <a name="l00254"></a>00254 <span class="keywordflow">if</span> (pi == string::npos) { <a name="l00255"></a>00255 <span class="keywordflow">if</span> (libraryName != temp) <span class="keywordflow">continue</span>; <a name="l00256"></a>00256 } <span class="keywordflow">else</span> { <a name="l00257"></a>00257 <span class="keywordflow">if</span> (libraryName != temp.substr(0, pi)) <span class="keywordflow">continue</span>; <a name="l00258"></a>00258 } <a name="l00259"></a>00259 } <a name="l00260"></a>00260 <a name="l00261"></a>00261 <span class="keywordtype">string</span> fullPath = path[i]; <a name="l00262"></a>00262 fullPath = <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#eb7a794c0a2410a81a382a08e8a0143c">splicePath</a>(fullPath, *fi); <a name="l00263"></a>00263 <span class="keywordtype">void</span> *handle = <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#c0618149e415b7fd8ad782f434070752">loadLibrary</a>(fullPath); <a name="l00264"></a>00264 <span class="keywordflow">if</span> (!handle) <span class="keywordflow">continue</span>; <a name="l00265"></a>00265 <a name="l00266"></a>00266 <a class="code" href="vamp_8h.html#551bb7e0d8c970c2202be5f881817478" title="Function pointer type for vampGetPluginDescriptor.">VampGetPluginDescriptorFunction</a> fn = <a name="l00267"></a>00267 (<a class="code" href="vamp_8h.html#551bb7e0d8c970c2202be5f881817478" title="Function pointer type for vampGetPluginDescriptor.">VampGetPluginDescriptorFunction</a>)<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#ec71088ca89ba77f357bde8b37b807f8">lookupInLibrary</a> <a name="l00268"></a>00268 (handle, <span class="stringliteral">"vampGetPluginDescriptor"</span>); <a name="l00269"></a>00269 <a name="l00270"></a>00270 <span class="keywordflow">if</span> (!fn) { <a name="l00271"></a>00271 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#6a93367036f896d505f553b616e1e7aa">unloadLibrary</a>(handle); <a name="l00272"></a>00272 <span class="keywordflow">continue</span>; <a name="l00273"></a>00273 } <a name="l00274"></a>00274 <a name="l00275"></a>00275 <span class="keywordtype">int</span> index = 0; <a name="l00276"></a>00276 <span class="keyword">const</span> <a class="code" href="struct__VampPluginDescriptor.html">VampPluginDescriptor</a> *descriptor = 0; <a name="l00277"></a>00277 <a name="l00278"></a>00278 <span class="keywordflow">while</span> ((descriptor = fn(<a class="code" href="vamp_8h.html#6d6c8c755dbabf161f72712e0e2143c7" title="Plugin API version.">VAMP_API_VERSION</a>, index))) { <a name="l00279"></a>00279 ++index; <a name="l00280"></a>00280 <span class="keywordflow">if</span> (identifier != <span class="stringliteral">""</span>) { <a name="l00281"></a>00281 <span class="keywordflow">if</span> (descriptor-><a class="code" href="struct__VampPluginDescriptor.html#4915ec8276749cb505c01d25a6d02219" title="Computer-usable name of the plugin.">identifier</a> != identifier) <span class="keywordflow">continue</span>; <a name="l00282"></a>00282 } <a name="l00283"></a>00283 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#473645bbb3ac5c1a0da2f0f482947c4d" title="PluginKey is a string type that is used to identify a plugin uniquely within the...">PluginKey</a> key = <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#c84fafd9b12d44f8756628571b57d7ea">composePluginKey</a>(*fi, descriptor-><a class="code" href="struct__VampPluginDescriptor.html#4915ec8276749cb505c01d25a6d02219" title="Computer-usable name of the plugin.">identifier</a>); <a name="l00284"></a>00284 <span class="comment">// std::cerr << "enumerate: " << key << " (path: " << fullPath << ")" << std::endl;</span> <a name="l00285"></a>00285 <span class="keywordflow">if</span> (<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#59f6310a3bb71f761b635d06408713f3">m_pluginLibraryNameMap</a>.find(key) == <a name="l00286"></a>00286 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#59f6310a3bb71f761b635d06408713f3">m_pluginLibraryNameMap</a>.end()) { <a name="l00287"></a>00287 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#59f6310a3bb71f761b635d06408713f3">m_pluginLibraryNameMap</a>[key] = fullPath; <a name="l00288"></a>00288 } <a name="l00289"></a>00289 } <a name="l00290"></a>00290 <a name="l00291"></a>00291 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#6a93367036f896d505f553b616e1e7aa">unloadLibrary</a>(handle); <a name="l00292"></a>00292 } <a name="l00293"></a>00293 } <a name="l00294"></a>00294 <a name="l00295"></a>00295 <span class="keywordflow">if</span> (forPlugin == <span class="stringliteral">""</span>) <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#d7b867e5cf9c29ad7254f567849f9913">m_allPluginsEnumerated</a> = <span class="keyword">true</span>; <a name="l00296"></a>00296 } <a name="l00297"></a>00297 <a name="l00298"></a>00298 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#473645bbb3ac5c1a0da2f0f482947c4d" title="PluginKey is a string type that is used to identify a plugin uniquely within the...">PluginLoader::PluginKey</a> <a name="l00299"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#c84fafd9b12d44f8756628571b57d7ea">00299</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#c84fafd9b12d44f8756628571b57d7ea">PluginLoader::Impl::composePluginKey</a>(<span class="keywordtype">string</span> libraryName, <span class="keywordtype">string</span> identifier) <a name="l00300"></a>00300 { <a name="l00301"></a>00301 <span class="keywordtype">string</span> basename = libraryName; <a name="l00302"></a>00302 <a name="l00303"></a>00303 string::size_type li = basename.rfind(<span class="charliteral">'/'</span>); <a name="l00304"></a>00304 <span class="keywordflow">if</span> (li != string::npos) basename = basename.substr(li + 1); <a name="l00305"></a>00305 <a name="l00306"></a>00306 li = basename.find(<span class="charliteral">'.'</span>); <a name="l00307"></a>00307 <span class="keywordflow">if</span> (li != string::npos) basename = basename.substr(0, li); <a name="l00308"></a>00308 <a name="l00309"></a>00309 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < basename.length(); ++i) { <a name="l00310"></a>00310 basename[i] = tolower(basename[i]); <a name="l00311"></a>00311 } <a name="l00312"></a>00312 <a name="l00313"></a>00313 <span class="keywordflow">return</span> basename + <span class="stringliteral">":"</span> + identifier; <a name="l00314"></a>00314 } <a name="l00315"></a>00315 <a name="l00316"></a>00316 <span class="keywordtype">bool</span> <a name="l00317"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#b06d720c0d53f908426ce244294d38ed">00317</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#b06d720c0d53f908426ce244294d38ed">PluginLoader::Impl::decomposePluginKey</a>(<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#473645bbb3ac5c1a0da2f0f482947c4d" title="PluginKey is a string type that is used to identify a plugin uniquely within the...">PluginKey</a> key, <a name="l00318"></a>00318 <span class="keywordtype">string</span> &libraryName, <a name="l00319"></a>00319 <span class="keywordtype">string</span> &identifier) <a name="l00320"></a>00320 { <a name="l00321"></a>00321 string::size_type ki = key.find(<span class="charliteral">':'</span>); <a name="l00322"></a>00322 <span class="keywordflow">if</span> (ki == string::npos) { <a name="l00323"></a>00323 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00324"></a>00324 } <a name="l00325"></a>00325 <a name="l00326"></a>00326 libraryName = key.substr(0, ki); <a name="l00327"></a>00327 identifier = key.substr(ki + 1); <a name="l00328"></a>00328 <span class="keywordflow">return</span> <span class="keyword">true</span>; <a name="l00329"></a>00329 } <a name="l00330"></a>00330 <a name="l00331"></a>00331 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#d6a39aa0c79d8d9209eb0b8dfe9d1364" title="PluginCategoryHierarchy is a sequence of general-&gt;specific category names, as...">PluginLoader::PluginCategoryHierarchy</a> <a name="l00332"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#de4a5a8acbd85537c99440c4ac974be4">00332</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#de4a5a8acbd85537c99440c4ac974be4">PluginLoader::Impl::getPluginCategory</a>(<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#473645bbb3ac5c1a0da2f0f482947c4d" title="PluginKey is a string type that is used to identify a plugin uniquely within the...">PluginKey</a> plugin) <a name="l00333"></a>00333 { <a name="l00334"></a>00334 <span class="keywordflow">if</span> (<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#2ba901c7e59ece349b715d4a3fec7b04">m_taxonomy</a>.empty()) <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#923d9ace30548d8f3cce58b4037ec9e4">generateTaxonomy</a>(); <a name="l00335"></a>00335 <span class="keywordflow">if</span> (<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#2ba901c7e59ece349b715d4a3fec7b04">m_taxonomy</a>.find(plugin) == <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#2ba901c7e59ece349b715d4a3fec7b04">m_taxonomy</a>.end()) { <a name="l00336"></a>00336 <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#d6a39aa0c79d8d9209eb0b8dfe9d1364" title="PluginCategoryHierarchy is a sequence of general-&gt;specific category names, as...">PluginCategoryHierarchy</a>(); <a name="l00337"></a>00337 } <a name="l00338"></a>00338 <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#2ba901c7e59ece349b715d4a3fec7b04">m_taxonomy</a>[plugin]; <a name="l00339"></a>00339 } <a name="l00340"></a>00340 <a name="l00341"></a>00341 <span class="keywordtype">string</span> <a name="l00342"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#aac3ed8bf770f0675e624d411dab3efb">00342</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#aac3ed8bf770f0675e624d411dab3efb">PluginLoader::Impl::getLibraryPathForPlugin</a>(<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#473645bbb3ac5c1a0da2f0f482947c4d" title="PluginKey is a string type that is used to identify a plugin uniquely within the...">PluginKey</a> plugin) <a name="l00343"></a>00343 { <a name="l00344"></a>00344 <span class="keywordflow">if</span> (<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#59f6310a3bb71f761b635d06408713f3">m_pluginLibraryNameMap</a>.find(plugin) == <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#59f6310a3bb71f761b635d06408713f3">m_pluginLibraryNameMap</a>.end()) { <a name="l00345"></a>00345 <span class="keywordflow">if</span> (<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#d7b867e5cf9c29ad7254f567849f9913">m_allPluginsEnumerated</a>) <span class="keywordflow">return</span> <span class="stringliteral">""</span>; <a name="l00346"></a>00346 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#6fb71e4d0b4ff367ffef141c5e62763d">enumeratePlugins</a>(plugin); <a name="l00347"></a>00347 } <a name="l00348"></a>00348 <span class="keywordflow">if</span> (<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#59f6310a3bb71f761b635d06408713f3">m_pluginLibraryNameMap</a>.find(plugin) == <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#59f6310a3bb71f761b635d06408713f3">m_pluginLibraryNameMap</a>.end()) { <a name="l00349"></a>00349 <span class="keywordflow">return</span> <span class="stringliteral">""</span>; <a name="l00350"></a>00350 } <a name="l00351"></a>00351 <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#59f6310a3bb71f761b635d06408713f3">m_pluginLibraryNameMap</a>[plugin]; <a name="l00352"></a>00352 } <a name="l00353"></a>00353 <a name="l00354"></a>00354 <a class="code" href="classVamp_1_1Plugin.html" title="Vamp::Plugin is a base class for plugin instance classes that provide feature extraction...">Plugin</a> * <a name="l00355"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#3f6c4872459007b13722818cbdac409c">00355</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#3f6c4872459007b13722818cbdac409c">PluginLoader::Impl::loadPlugin</a>(<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#473645bbb3ac5c1a0da2f0f482947c4d" title="PluginKey is a string type that is used to identify a plugin uniquely within the...">PluginKey</a> key, <a name="l00356"></a>00356 <span class="keywordtype">float</span> inputSampleRate, <span class="keywordtype">int</span> adapterFlags) <a name="l00357"></a>00357 { <a name="l00358"></a>00358 <span class="keywordtype">string</span> libname, identifier; <a name="l00359"></a>00359 <span class="keywordflow">if</span> (!<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#b06d720c0d53f908426ce244294d38ed">decomposePluginKey</a>(key, libname, identifier)) { <a name="l00360"></a>00360 std::cerr << <span class="stringliteral">"Vamp::HostExt::PluginLoader: Invalid plugin key \""</span> <a name="l00361"></a>00361 << key << <span class="stringliteral">"\" in loadPlugin"</span> << std::endl; <a name="l00362"></a>00362 <span class="keywordflow">return</span> 0; <a name="l00363"></a>00363 } <a name="l00364"></a>00364 <a name="l00365"></a>00365 <span class="keywordtype">string</span> fullPath = <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#aac3ed8bf770f0675e624d411dab3efb">getLibraryPathForPlugin</a>(key); <a name="l00366"></a>00366 <span class="keywordflow">if</span> (fullPath == <span class="stringliteral">""</span>) <span class="keywordflow">return</span> 0; <a name="l00367"></a>00367 <a name="l00368"></a>00368 <span class="keywordtype">void</span> *handle = <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#c0618149e415b7fd8ad782f434070752">loadLibrary</a>(fullPath); <a name="l00369"></a>00369 <span class="keywordflow">if</span> (!handle) <span class="keywordflow">return</span> 0; <a name="l00370"></a>00370 <a name="l00371"></a>00371 <a class="code" href="vamp_8h.html#551bb7e0d8c970c2202be5f881817478" title="Function pointer type for vampGetPluginDescriptor.">VampGetPluginDescriptorFunction</a> fn = <a name="l00372"></a>00372 (<a class="code" href="vamp_8h.html#551bb7e0d8c970c2202be5f881817478" title="Function pointer type for vampGetPluginDescriptor.">VampGetPluginDescriptorFunction</a>)<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#ec71088ca89ba77f357bde8b37b807f8">lookupInLibrary</a> <a name="l00373"></a>00373 (handle, <span class="stringliteral">"vampGetPluginDescriptor"</span>); <a name="l00374"></a>00374 <a name="l00375"></a>00375 <span class="keywordflow">if</span> (!fn) { <a name="l00376"></a>00376 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#6a93367036f896d505f553b616e1e7aa">unloadLibrary</a>(handle); <a name="l00377"></a>00377 <span class="keywordflow">return</span> 0; <a name="l00378"></a>00378 } <a name="l00379"></a>00379 <a name="l00380"></a>00380 <span class="keywordtype">int</span> index = 0; <a name="l00381"></a>00381 <span class="keyword">const</span> <a class="code" href="struct__VampPluginDescriptor.html">VampPluginDescriptor</a> *descriptor = 0; <a name="l00382"></a>00382 <a name="l00383"></a>00383 <span class="keywordflow">while</span> ((descriptor = fn(<a class="code" href="vamp_8h.html#6d6c8c755dbabf161f72712e0e2143c7" title="Plugin API version.">VAMP_API_VERSION</a>, index))) { <a name="l00384"></a>00384 <a name="l00385"></a>00385 <span class="keywordflow">if</span> (<span class="keywordtype">string</span>(descriptor-><a class="code" href="struct__VampPluginDescriptor.html#4915ec8276749cb505c01d25a6d02219" title="Computer-usable name of the plugin.">identifier</a>) == identifier) { <a name="l00386"></a>00386 <a name="l00387"></a>00387 <a class="code" href="classVamp_1_1PluginHostAdapter.html" title="PluginHostAdapter is a wrapper class that a Vamp host can use to make the C-language...">Vamp::PluginHostAdapter</a> *plugin = <a name="l00388"></a>00388 <span class="keyword">new</span> <a class="code" href="classVamp_1_1PluginHostAdapter.html" title="PluginHostAdapter is a wrapper class that a Vamp host can use to make the C-language...">Vamp::PluginHostAdapter</a>(descriptor, inputSampleRate); <a name="l00389"></a>00389 <a name="l00390"></a>00390 <a class="code" href="classVamp_1_1Plugin.html" title="Vamp::Plugin is a base class for plugin instance classes that provide feature extraction...">Plugin</a> *adapter = <span class="keyword">new</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1PluginDeletionNotifyAdapter.html">PluginDeletionNotifyAdapter</a>(plugin, <span class="keyword">this</span>); <a name="l00391"></a>00391 <a name="l00392"></a>00392 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#1c3cee03d20e669c8b9379247a222600">m_pluginLibraryHandleMap</a>[adapter] = handle; <a name="l00393"></a>00393 <a name="l00394"></a>00394 <span class="keywordflow">if</span> (adapterFlags & <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#ff3ee11692ce25e0dfb904324cbe3494763a9a0caf512d9671b90c05c2808a09">ADAPT_INPUT_DOMAIN</a>) { <a name="l00395"></a>00395 <span class="keywordflow">if</span> (adapter-><a class="code" href="classVamp_1_1Plugin.html#e1d317a9702cbeda65ddf0ec500c1ff6" title="Get the plugin&#39;s required input domain.">getInputDomain</a>() == <a class="code" href="classVamp_1_1Plugin.html#39cb7649d6dcc20e4cb1640cd55907bca30e7877ab33f76acbdca28607e6ab53">Plugin::FrequencyDomain</a>) { <a name="l00396"></a>00396 adapter = <span class="keyword">new</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginInputDomainAdapter.html" title="PluginInputDomainAdapter is a Vamp plugin adapter that converts time-domain input...">PluginInputDomainAdapter</a>(adapter); <a name="l00397"></a>00397 } <a name="l00398"></a>00398 } <a name="l00399"></a>00399 <a name="l00400"></a>00400 <span class="keywordflow">if</span> (adapterFlags & <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#ff3ee11692ce25e0dfb904324cbe34945c0c389797922630a6b54ffd1eed21f1">ADAPT_BUFFER_SIZE</a>) { <a name="l00401"></a>00401 adapter = <span class="keyword">new</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginBufferingAdapter.html" title="PluginBufferingAdapter is a Vamp plugin adapter that allows plugins to be used by...">PluginBufferingAdapter</a>(adapter); <a name="l00402"></a>00402 } <a name="l00403"></a>00403 <a name="l00404"></a>00404 <span class="keywordflow">if</span> (adapterFlags & <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#ff3ee11692ce25e0dfb904324cbe349454c43b85382d78e8ea8da192bce3a139">ADAPT_CHANNEL_COUNT</a>) { <a name="l00405"></a>00405 adapter = <span class="keyword">new</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter.html" title="PluginChannelAdapter is a Vamp plugin adapter that implements a policy for management...">PluginChannelAdapter</a>(adapter); <a name="l00406"></a>00406 } <a name="l00407"></a>00407 <a name="l00408"></a>00408 <span class="keywordflow">return</span> adapter; <a name="l00409"></a>00409 } <a name="l00410"></a>00410 <a name="l00411"></a>00411 ++index; <a name="l00412"></a>00412 } <a name="l00413"></a>00413 <a name="l00414"></a>00414 cerr << <span class="stringliteral">"Vamp::HostExt::PluginLoader: Plugin \""</span> <a name="l00415"></a>00415 << identifier << <span class="stringliteral">"\" not found in library \""</span> <a name="l00416"></a>00416 << fullPath << <span class="stringliteral">"\""</span> << endl; <a name="l00417"></a>00417 <a name="l00418"></a>00418 <span class="keywordflow">return</span> 0; <a name="l00419"></a>00419 } <a name="l00420"></a>00420 <a name="l00421"></a>00421 <span class="keywordtype">void</span> <a name="l00422"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#923d9ace30548d8f3cce58b4037ec9e4">00422</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#923d9ace30548d8f3cce58b4037ec9e4">PluginLoader::Impl::generateTaxonomy</a>() <a name="l00423"></a>00423 { <a name="l00424"></a>00424 <span class="comment">// cerr << "PluginLoader::Impl::generateTaxonomy" << endl;</span> <a name="l00425"></a>00425 <a name="l00426"></a>00426 vector<string> path = <a class="code" href="classVamp_1_1PluginHostAdapter.html#08d7ed3a11bf4a3c30fa0f9b41a0fed6">PluginHostAdapter::getPluginPath</a>(); <a name="l00427"></a>00427 <span class="keywordtype">string</span> libfragment = <span class="stringliteral">"/lib/"</span>; <a name="l00428"></a>00428 vector<string> catpath; <a name="l00429"></a>00429 <a name="l00430"></a>00430 <span class="keywordtype">string</span> suffix = <span class="stringliteral">"cat"</span>; <a name="l00431"></a>00431 <a name="l00432"></a>00432 <span class="keywordflow">for</span> (vector<string>::iterator i = path.begin(); <a name="l00433"></a>00433 i != path.end(); ++i) { <a name="l00434"></a>00434 <a name="l00435"></a>00435 <span class="comment">// It doesn't matter that we're using literal forward-slash in</span> <a name="l00436"></a>00436 <span class="comment">// this bit, as it's only relevant if the path contains</span> <a name="l00437"></a>00437 <span class="comment">// "/lib/", which is only meaningful and only plausible on</span> <a name="l00438"></a>00438 <span class="comment">// systems with forward-slash delimiters</span> <a name="l00439"></a>00439 <a name="l00440"></a>00440 <span class="keywordtype">string</span> dir = *i; <a name="l00441"></a>00441 string::size_type li = dir.find(libfragment); <a name="l00442"></a>00442 <a name="l00443"></a>00443 <span class="keywordflow">if</span> (li != string::npos) { <a name="l00444"></a>00444 catpath.push_back <a name="l00445"></a>00445 (dir.substr(0, li) <a name="l00446"></a>00446 + <span class="stringliteral">"/share/"</span> <a name="l00447"></a>00447 + dir.substr(li + libfragment.length())); <a name="l00448"></a>00448 } <a name="l00449"></a>00449 <a name="l00450"></a>00450 catpath.push_back(dir); <a name="l00451"></a>00451 } <a name="l00452"></a>00452 <a name="l00453"></a>00453 <span class="keywordtype">char</span> buffer[1024]; <a name="l00454"></a>00454 <a name="l00455"></a>00455 <span class="keywordflow">for</span> (vector<string>::iterator i = catpath.begin(); <a name="l00456"></a>00456 i != catpath.end(); ++i) { <a name="l00457"></a>00457 <a name="l00458"></a>00458 vector<string> files = <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#2dd3964e84bca56390cd31b079fbc01f">listFiles</a>(*i, suffix); <a name="l00459"></a>00459 <a name="l00460"></a>00460 <span class="keywordflow">for</span> (vector<string>::iterator fi = files.begin(); <a name="l00461"></a>00461 fi != files.end(); ++fi) { <a name="l00462"></a>00462 <a name="l00463"></a>00463 <span class="keywordtype">string</span> filepath = <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#eb7a794c0a2410a81a382a08e8a0143c">splicePath</a>(*i, *fi); <a name="l00464"></a>00464 ifstream is(filepath.c_str(), ifstream::in | ifstream::binary); <a name="l00465"></a>00465 <a name="l00466"></a>00466 <span class="keywordflow">if</span> (is.fail()) { <a name="l00467"></a>00467 <span class="comment">// cerr << "failed to open: " << filepath << endl;</span> <a name="l00468"></a>00468 <span class="keywordflow">continue</span>; <a name="l00469"></a>00469 } <a name="l00470"></a>00470 <a name="l00471"></a>00471 <span class="comment">// cerr << "opened: " << filepath << endl;</span> <a name="l00472"></a>00472 <a name="l00473"></a>00473 <span class="keywordflow">while</span> (!!is.getline(buffer, 1024)) { <a name="l00474"></a>00474 <a name="l00475"></a>00475 <span class="keywordtype">string</span> line(buffer); <a name="l00476"></a>00476 <a name="l00477"></a>00477 <span class="comment">// cerr << "line = " << line << endl;</span> <a name="l00478"></a>00478 <a name="l00479"></a>00479 string::size_type di = line.find(<span class="stringliteral">"::"</span>); <a name="l00480"></a>00480 <span class="keywordflow">if</span> (di == string::npos) <span class="keywordflow">continue</span>; <a name="l00481"></a>00481 <a name="l00482"></a>00482 <span class="keywordtype">string</span> <span class="keywordtype">id</span> = line.substr(0, di); <a name="l00483"></a>00483 <span class="keywordtype">string</span> encodedCat = line.substr(di + 2); <a name="l00484"></a>00484 <a name="l00485"></a>00485 <span class="keywordflow">if</span> (<span class="keywordtype">id</span>.substr(0, 5) != <span class="stringliteral">"vamp:"</span>) <span class="keywordflow">continue</span>; <a name="l00486"></a>00486 <span class="keywordtype">id</span> = <span class="keywordtype">id</span>.substr(5); <a name="l00487"></a>00487 <a name="l00488"></a>00488 <span class="keywordflow">while</span> (encodedCat.length() >= 1 && <a name="l00489"></a>00489 encodedCat[encodedCat.length()-1] == <span class="charliteral">'\r'</span>) { <a name="l00490"></a>00490 encodedCat = encodedCat.substr(0, encodedCat.length()-1); <a name="l00491"></a>00491 } <a name="l00492"></a>00492 <a name="l00493"></a>00493 <span class="comment">// cerr << "id = " << id << ", cat = " << encodedCat << endl;</span> <a name="l00494"></a>00494 <a name="l00495"></a>00495 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#d6a39aa0c79d8d9209eb0b8dfe9d1364" title="PluginCategoryHierarchy is a sequence of general-&gt;specific category names, as...">PluginCategoryHierarchy</a> category; <a name="l00496"></a>00496 string::size_type ai; <a name="l00497"></a>00497 <span class="keywordflow">while</span> ((ai = encodedCat.find(<span class="stringliteral">" > "</span>)) != string::npos) { <a name="l00498"></a>00498 category.push_back(encodedCat.substr(0, ai)); <a name="l00499"></a>00499 encodedCat = encodedCat.substr(ai + 3); <a name="l00500"></a>00500 } <a name="l00501"></a>00501 <span class="keywordflow">if</span> (encodedCat != <span class="stringliteral">""</span>) category.push_back(encodedCat); <a name="l00502"></a>00502 <a name="l00503"></a>00503 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#2ba901c7e59ece349b715d4a3fec7b04">m_taxonomy</a>[id] = category; <a name="l00504"></a>00504 } <a name="l00505"></a>00505 } <a name="l00506"></a>00506 } <a name="l00507"></a>00507 } <a name="l00508"></a>00508 <a name="l00509"></a>00509 <span class="keywordtype">void</span> * <a name="l00510"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#c0618149e415b7fd8ad782f434070752">00510</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#c0618149e415b7fd8ad782f434070752">PluginLoader::Impl::loadLibrary</a>(<span class="keywordtype">string</span> path) <a name="l00511"></a>00511 { <a name="l00512"></a>00512 <span class="keywordtype">void</span> *handle = 0; <a name="l00513"></a>00513 <span class="preprocessor">#ifdef _WIN32</span> <a name="l00514"></a>00514 <span class="preprocessor"></span> handle = LoadLibrary(path.c_str()); <a name="l00515"></a>00515 <span class="keywordflow">if</span> (!handle) { <a name="l00516"></a>00516 cerr << <span class="stringliteral">"Vamp::HostExt::PluginLoader: Unable to load library \""</span> <a name="l00517"></a>00517 << path << <span class="stringliteral">"\""</span> << endl; <a name="l00518"></a>00518 } <a name="l00519"></a>00519 <span class="preprocessor">#else</span> <a name="l00520"></a>00520 <span class="preprocessor"></span> handle = dlopen(path.c_str(), RTLD_LAZY | RTLD_LOCAL); <a name="l00521"></a>00521 <span class="keywordflow">if</span> (!handle) { <a name="l00522"></a>00522 cerr << <span class="stringliteral">"Vamp::HostExt::PluginLoader: Unable to load library \""</span> <a name="l00523"></a>00523 << path << <span class="stringliteral">"\": "</span> << dlerror() << endl; <a name="l00524"></a>00524 } <a name="l00525"></a>00525 <span class="preprocessor">#endif</span> <a name="l00526"></a>00526 <span class="preprocessor"></span> <span class="keywordflow">return</span> handle; <a name="l00527"></a>00527 } <a name="l00528"></a>00528 <a name="l00529"></a>00529 <span class="keywordtype">void</span> <a name="l00530"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#6a93367036f896d505f553b616e1e7aa">00530</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#6a93367036f896d505f553b616e1e7aa">PluginLoader::Impl::unloadLibrary</a>(<span class="keywordtype">void</span> *handle) <a name="l00531"></a>00531 { <a name="l00532"></a>00532 <span class="preprocessor">#ifdef _WIN32</span> <a name="l00533"></a>00533 <span class="preprocessor"></span> FreeLibrary((HINSTANCE)handle); <a name="l00534"></a>00534 <span class="preprocessor">#else</span> <a name="l00535"></a>00535 <span class="preprocessor"></span> dlclose(handle); <a name="l00536"></a>00536 <span class="preprocessor">#endif</span> <a name="l00537"></a>00537 <span class="preprocessor"></span>} <a name="l00538"></a>00538 <a name="l00539"></a>00539 <span class="keywordtype">void</span> * <a name="l00540"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#ec71088ca89ba77f357bde8b37b807f8">00540</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#ec71088ca89ba77f357bde8b37b807f8">PluginLoader::Impl::lookupInLibrary</a>(<span class="keywordtype">void</span> *handle, <span class="keyword">const</span> <span class="keywordtype">char</span> *symbol) <a name="l00541"></a>00541 { <a name="l00542"></a>00542 <span class="preprocessor">#ifdef _WIN32</span> <a name="l00543"></a>00543 <span class="preprocessor"></span> <span class="keywordflow">return</span> (<span class="keywordtype">void</span> *)GetProcAddress((HINSTANCE)handle, symbol); <a name="l00544"></a>00544 <span class="preprocessor">#else</span> <a name="l00545"></a>00545 <span class="preprocessor"></span> <span class="keywordflow">return</span> (<span class="keywordtype">void</span> *)dlsym(handle, symbol); <a name="l00546"></a>00546 <span class="preprocessor">#endif</span> <a name="l00547"></a>00547 <span class="preprocessor"></span>} <a name="l00548"></a>00548 <a name="l00549"></a>00549 <span class="keywordtype">string</span> <a name="l00550"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#eb7a794c0a2410a81a382a08e8a0143c">00550</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#eb7a794c0a2410a81a382a08e8a0143c">PluginLoader::Impl::splicePath</a>(<span class="keywordtype">string</span> a, <span class="keywordtype">string</span> b) <a name="l00551"></a>00551 { <a name="l00552"></a>00552 <span class="preprocessor">#ifdef _WIN32</span> <a name="l00553"></a>00553 <span class="preprocessor"></span> <span class="keywordflow">return</span> a + <span class="stringliteral">"\\"</span> + b; <a name="l00554"></a>00554 <span class="preprocessor">#else</span> <a name="l00555"></a>00555 <span class="preprocessor"></span> <span class="keywordflow">return</span> a + <span class="stringliteral">"/"</span> + b; <a name="l00556"></a>00556 <span class="preprocessor">#endif</span> <a name="l00557"></a>00557 <span class="preprocessor"></span>} <a name="l00558"></a>00558 <a name="l00559"></a>00559 vector<string> <a name="l00560"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#2dd3964e84bca56390cd31b079fbc01f">00560</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#2dd3964e84bca56390cd31b079fbc01f">PluginLoader::Impl::listFiles</a>(<span class="keywordtype">string</span> dir, <span class="keywordtype">string</span> extension) <a name="l00561"></a>00561 { <a name="l00562"></a>00562 vector<string> files; <a name="l00563"></a>00563 <a name="l00564"></a>00564 <span class="preprocessor">#ifdef _WIN32</span> <a name="l00565"></a>00565 <span class="preprocessor"></span> <a name="l00566"></a>00566 <span class="keywordtype">string</span> expression = dir + <span class="stringliteral">"\\*."</span> + extension; <a name="l00567"></a>00567 WIN32_FIND_DATA data; <a name="l00568"></a>00568 HANDLE fh = FindFirstFile(expression.c_str(), &data); <a name="l00569"></a>00569 <span class="keywordflow">if</span> (fh == INVALID_HANDLE_VALUE) <span class="keywordflow">return</span> files; <a name="l00570"></a>00570 <a name="l00571"></a>00571 <span class="keywordtype">bool</span> ok = <span class="keyword">true</span>; <a name="l00572"></a>00572 <span class="keywordflow">while</span> (ok) { <a name="l00573"></a>00573 files.push_back(data.cFileName); <a name="l00574"></a>00574 ok = FindNextFile(fh, &data); <a name="l00575"></a>00575 } <a name="l00576"></a>00576 <a name="l00577"></a>00577 FindClose(fh); <a name="l00578"></a>00578 <a name="l00579"></a>00579 <span class="preprocessor">#else</span> <a name="l00580"></a>00580 <span class="preprocessor"></span> <a name="l00581"></a>00581 <span class="keywordtype">size_t</span> extlen = extension.length(); <a name="l00582"></a>00582 DIR *d = opendir(dir.c_str()); <a name="l00583"></a>00583 <span class="keywordflow">if</span> (!d) <span class="keywordflow">return</span> files; <a name="l00584"></a>00584 <a name="l00585"></a>00585 <span class="keyword">struct </span>dirent *e = 0; <a name="l00586"></a>00586 <span class="keywordflow">while</span> ((e = readdir(d))) { <a name="l00587"></a>00587 <a name="l00588"></a>00588 <span class="keywordflow">if</span> (!e->d_name) <span class="keywordflow">continue</span>; <a name="l00589"></a>00589 <a name="l00590"></a>00590 <span class="keywordtype">size_t</span> len = strlen(e->d_name); <a name="l00591"></a>00591 <span class="keywordflow">if</span> (len < extlen + 2 || <a name="l00592"></a>00592 e->d_name + len - extlen - 1 != <span class="stringliteral">"."</span> + extension) { <a name="l00593"></a>00593 <span class="keywordflow">continue</span>; <a name="l00594"></a>00594 } <a name="l00595"></a>00595 <a name="l00596"></a>00596 files.push_back(e->d_name); <a name="l00597"></a>00597 } <a name="l00598"></a>00598 <a name="l00599"></a>00599 closedir(d); <a name="l00600"></a>00600 <span class="preprocessor">#endif</span> <a name="l00601"></a>00601 <span class="preprocessor"></span> <a name="l00602"></a>00602 <span class="keywordflow">return</span> files; <a name="l00603"></a>00603 } <a name="l00604"></a>00604 <a name="l00605"></a>00605 <span class="keywordtype">void</span> <a name="l00606"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#e0a6e1bf07a62eb6a34a1393bc3da26c">00606</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#e0a6e1bf07a62eb6a34a1393bc3da26c">PluginLoader::Impl::pluginDeleted</a>(<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1PluginDeletionNotifyAdapter.html">PluginDeletionNotifyAdapter</a> *adapter) <a name="l00607"></a>00607 { <a name="l00608"></a>00608 <span class="keywordtype">void</span> *handle = <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#1c3cee03d20e669c8b9379247a222600">m_pluginLibraryHandleMap</a>[adapter]; <a name="l00609"></a>00609 <span class="keywordflow">if</span> (handle) <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#6a93367036f896d505f553b616e1e7aa">unloadLibrary</a>(handle); <a name="l00610"></a>00610 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#1c3cee03d20e669c8b9379247a222600">m_pluginLibraryHandleMap</a>.erase(adapter); <a name="l00611"></a>00611 } <a name="l00612"></a>00612 <a name="l00613"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1PluginDeletionNotifyAdapter.html#80196e30ed72a4f45b4152a3991d7777">00613</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1PluginDeletionNotifyAdapter.html#80196e30ed72a4f45b4152a3991d7777">PluginLoader::Impl::PluginDeletionNotifyAdapter::PluginDeletionNotifyAdapter</a>(<a class="code" href="classVamp_1_1Plugin.html" title="Vamp::Plugin is a base class for plugin instance classes that provide feature extraction...">Plugin</a> *plugin, <a name="l00614"></a>00614 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html">Impl</a> *loader) : <a name="l00615"></a>00615 <a class="code" href="classVamp_1_1HostExt_1_1PluginWrapper.html" title="PluginWrapper is a simple base class for adapter plugins.">PluginWrapper</a>(plugin), <a name="l00616"></a>00616 m_loader(loader) <a name="l00617"></a>00617 { <a name="l00618"></a>00618 } <a name="l00619"></a>00619 <a name="l00620"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1PluginDeletionNotifyAdapter.html#bb85c0134c354c0854f3868a60d0193f">00620</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1PluginDeletionNotifyAdapter.html#bb85c0134c354c0854f3868a60d0193f">PluginLoader::Impl::PluginDeletionNotifyAdapter::~PluginDeletionNotifyAdapter</a>() <a name="l00621"></a>00621 { <a name="l00622"></a>00622 <span class="comment">// We need to delete the plugin before calling pluginDeleted, as</span> <a name="l00623"></a>00623 <span class="comment">// the delete call may require calling through to the descriptor</span> <a name="l00624"></a>00624 <span class="comment">// (for e.g. cleanup) but pluginDeleted may unload the required</span> <a name="l00625"></a>00625 <span class="comment">// library for the call. To prevent a double deletion when our</span> <a name="l00626"></a>00626 <span class="comment">// parent's destructor runs (after this one), be sure to set</span> <a name="l00627"></a>00627 <span class="comment">// m_plugin to 0 after deletion.</span> <a name="l00628"></a>00628 <span class="keyword">delete</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginWrapper.html#b4e40ecd98b445e1a2aa9e7baa280ea2">m_plugin</a>; <a name="l00629"></a>00629 <a class="code" href="classVamp_1_1HostExt_1_1PluginWrapper.html#b4e40ecd98b445e1a2aa9e7baa280ea2">m_plugin</a> = 0; <a name="l00630"></a>00630 <a name="l00631"></a>00631 <span class="keywordflow">if</span> (<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1PluginDeletionNotifyAdapter.html#1fb8473ea9ad73b1b6a00b92345d8397">m_loader</a>) <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1PluginDeletionNotifyAdapter.html#1fb8473ea9ad73b1b6a00b92345d8397">m_loader</a>-><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#e0a6e1bf07a62eb6a34a1393bc3da26c">pluginDeleted</a>(<span class="keyword">this</span>); <a name="l00632"></a>00632 } <a name="l00633"></a>00633 <a name="l00634"></a>00634 } <a name="l00635"></a>00635 <a name="l00636"></a>00636 } </pre></div></div> <hr size="1"><address style="text-align: right;"><small>Generated on Wed Jul 9 11:36:07 2008 for VampPluginSDK by <a href="http://www.doxygen.org/index.html"> <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.5 </small></address> </body> </html>