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* Move website from vamp-website/trunk to plain website
author cannam
date Mon, 22 Sep 2008 13:01:46 +0000
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1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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3 <title>VampPluginSDK: PluginLoader.cpp Source File</title>
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22 <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>
23 <a name="l00002"></a>00002
24 <a name="l00003"></a>00003 <span class="comment">/*</span>
25 <a name="l00004"></a>00004 <span class="comment"> Vamp</span>
26 <a name="l00005"></a>00005 <span class="comment"></span>
27 <a name="l00006"></a>00006 <span class="comment"> An API for audio analysis and feature extraction plugins.</span>
28 <a name="l00007"></a>00007 <span class="comment"></span>
29 <a name="l00008"></a>00008 <span class="comment"> Centre for Digital Music, Queen Mary, University of London.</span>
30 <a name="l00009"></a>00009 <span class="comment"> Copyright 2006-2007 Chris Cannam and QMUL.</span>
31 <a name="l00010"></a>00010 <span class="comment"> </span>
32 <a name="l00011"></a>00011 <span class="comment"> Permission is hereby granted, free of charge, to any person</span>
33 <a name="l00012"></a>00012 <span class="comment"> obtaining a copy of this software and associated documentation</span>
34 <a name="l00013"></a>00013 <span class="comment"> files (the "Software"), to deal in the Software without</span>
35 <a name="l00014"></a>00014 <span class="comment"> restriction, including without limitation the rights to use, copy,</span>
36 <a name="l00015"></a>00015 <span class="comment"> modify, merge, publish, distribute, sublicense, and/or sell copies</span>
37 <a name="l00016"></a>00016 <span class="comment"> of the Software, and to permit persons to whom the Software is</span>
38 <a name="l00017"></a>00017 <span class="comment"> furnished to do so, subject to the following conditions:</span>
39 <a name="l00018"></a>00018 <span class="comment"></span>
40 <a name="l00019"></a>00019 <span class="comment"> The above copyright notice and this permission notice shall be</span>
41 <a name="l00020"></a>00020 <span class="comment"> included in all copies or substantial portions of the Software.</span>
42 <a name="l00021"></a>00021 <span class="comment"></span>
43 <a name="l00022"></a>00022 <span class="comment"> THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,</span>
44 <a name="l00023"></a>00023 <span class="comment"> EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF</span>
45 <a name="l00024"></a>00024 <span class="comment"> MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND</span>
46 <a name="l00025"></a>00025 <span class="comment"> NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR</span>
47 <a name="l00026"></a>00026 <span class="comment"> ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF</span>
48 <a name="l00027"></a>00027 <span class="comment"> CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION</span>
49 <a name="l00028"></a>00028 <span class="comment"> WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.</span>
50 <a name="l00029"></a>00029 <span class="comment"></span>
51 <a name="l00030"></a>00030 <span class="comment"> Except as contained in this notice, the names of the Centre for</span>
52 <a name="l00031"></a>00031 <span class="comment"> Digital Music; Queen Mary, University of London; and Chris Cannam</span>
53 <a name="l00032"></a>00032 <span class="comment"> shall not be used in advertising or otherwise to promote the sale,</span>
54 <a name="l00033"></a>00033 <span class="comment"> use or other dealings in this Software without prior written</span>
55 <a name="l00034"></a>00034 <span class="comment"> authorization.</span>
56 <a name="l00035"></a>00035 <span class="comment">*/</span>
57 <a name="l00036"></a>00036
58 <a name="l00037"></a>00037 <span class="preprocessor">#include "<a class="code" href="PluginHostAdapter_8h.html">vamp-sdk/PluginHostAdapter.h</a>"</span>
59 <a name="l00038"></a>00038 <span class="preprocessor">#include "<a class="code" href="PluginLoader_8h.html">PluginLoader.h</a>"</span>
60 <a name="l00039"></a>00039 <span class="preprocessor">#include "<a class="code" href="PluginInputDomainAdapter_8h.html">PluginInputDomainAdapter.h</a>"</span>
61 <a name="l00040"></a>00040 <span class="preprocessor">#include "<a class="code" href="PluginChannelAdapter_8h.html">PluginChannelAdapter.h</a>"</span>
62 <a name="l00041"></a>00041 <span class="preprocessor">#include "<a class="code" href="PluginBufferingAdapter_8h.html">PluginBufferingAdapter.h</a>"</span>
63 <a name="l00042"></a>00042
64 <a name="l00043"></a>00043 <span class="preprocessor">#include &lt;fstream&gt;</span>
65 <a name="l00044"></a>00044 <span class="preprocessor">#include &lt;cctype&gt;</span> <span class="comment">// tolower</span>
66 <a name="l00045"></a>00045
67 <a name="l00046"></a>00046 <span class="preprocessor">#include &lt;cstring&gt;</span>
68 <a name="l00047"></a>00047
69 <a name="l00048"></a>00048 <span class="preprocessor">#ifdef _WIN32</span>
70 <a name="l00049"></a>00049 <span class="preprocessor"></span>
71 <a name="l00050"></a>00050 <span class="preprocessor">#include &lt;windows.h&gt;</span>
72 <a name="l00051"></a>00051 <span class="preprocessor">#include &lt;tchar.h&gt;</span>
73 <a name="l00052"></a>00052 <span class="preprocessor">#define PLUGIN_SUFFIX "dll"</span>
74 <a name="l00053"></a>00053 <span class="preprocessor"></span>
75 <a name="l00054"></a>00054 <span class="preprocessor">#else </span><span class="comment">/* ! _WIN32 */</span>
76 <a name="l00055"></a>00055
77 <a name="l00056"></a>00056 <span class="preprocessor">#include &lt;dirent.h&gt;</span>
78 <a name="l00057"></a>00057 <span class="preprocessor">#include &lt;dlfcn.h&gt;</span>
79 <a name="l00058"></a>00058
80 <a name="l00059"></a>00059 <span class="preprocessor">#ifdef __APPLE__</span>
81 <a name="l00060"></a>00060 <span class="preprocessor"></span><span class="preprocessor">#define PLUGIN_SUFFIX "dylib"</span>
82 <a name="l00061"></a>00061 <span class="preprocessor"></span><span class="preprocessor">#else </span><span class="comment">/* ! __APPLE__ */</span>
83 <a name="l00062"></a><a class="code" href="PluginLoader_8cpp.html#1efbc9bb9a9f2837d3f7386af8607abf">00062</a> <span class="preprocessor">#define PLUGIN_SUFFIX "so"</span>
84 <a name="l00063"></a>00063 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* ! __APPLE__ */</span>
85 <a name="l00064"></a>00064
86 <a name="l00065"></a>00065 <span class="preprocessor">#endif </span><span class="comment">/* ! _WIN32 */</span>
87 <a name="l00066"></a>00066
88 <a name="l00067"></a>00067 <span class="keyword">using namespace </span>std;
89 <a name="l00068"></a>00068
90 <a name="l00069"></a>00069 <span class="keyword">namespace </span>Vamp {
91 <a name="l00070"></a>00070
92 <a name="l00071"></a>00071 <span class="keyword">namespace </span>HostExt {
93 <a name="l00072"></a>00072
94 <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>
95 <a name="l00074"></a>00074 {
96 <a name="l00075"></a>00075 <span class="keyword">public</span>:
97 <a name="l00076"></a>00076 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#ddac537272c2eb69973cbb942dc11deb">Impl</a>();
98 <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>();
99 <a name="l00078"></a>00078
100 <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>();
101 <a name="l00080"></a>00080
102 <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,
103 <a name="l00082"></a>00082 <span class="keywordtype">float</span> inputSampleRate,
104 <a name="l00083"></a>00083 <span class="keywordtype">int</span> adapterFlags);
105 <a name="l00084"></a>00084
106 <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);
107 <a name="l00086"></a>00086
108 <a name="l00087"></a>00087 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#d6a39aa0c79d8d9209eb0b8dfe9d1364" title="PluginCategoryHierarchy is a sequence of general-&amp;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);
109 <a name="l00088"></a>00088
110 <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);
111 <a name="l00090"></a>00090
112 <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);
113 <a name="l00092"></a>00092
114 <a name="l00093"></a>00093 <span class="keyword">protected</span>:
115 <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> {
116 <a name="l00095"></a>00095 <span class="keyword">public</span>:
117 <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);
118 <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>();
119 <a name="l00098"></a>00098 <span class="keyword">protected</span>:
120 <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>;
121 <a name="l00100"></a>00100 };
122 <a name="l00101"></a>00101
123 <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> {
124 <a name="l00103"></a>00103 <span class="keyword">public</span>:
125 <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) { }
126 <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>; }
127 <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; }
128 <a name="l00107"></a>00107 <span class="keyword">protected</span>:
129 <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>;
130 <a name="l00109"></a>00109 };
131 <a name="l00110"></a>00110
132 <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);
133 <a name="l00112"></a>00112
134 <a name="l00113"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#59f6310a3bb71f761b635d06408713f3">00113</a> map&lt;PluginKey, string&gt; <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#59f6310a3bb71f761b635d06408713f3">m_pluginLibraryNameMap</a>;
135 <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>;
136 <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>);
137 <a name="l00116"></a>00116
138 <a name="l00117"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#2ba901c7e59ece349b715d4a3fec7b04">00117</a> map&lt;PluginKey, PluginCategoryHierarchy&gt; <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#2ba901c7e59ece349b715d4a3fec7b04">m_taxonomy</a>;
139 <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>();
140 <a name="l00119"></a>00119
141 <a name="l00120"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#1c3cee03d20e669c8b9379247a222600">00120</a> map&lt;Plugin *, void *&gt; <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#1c3cee03d20e669c8b9379247a222600">m_pluginLibraryHandleMap</a>;
142 <a name="l00121"></a>00121
143 <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,
144 <a name="l00123"></a>00123 <span class="keywordtype">string</span> &amp;libraryName, <span class="keywordtype">string</span> &amp;identifier);
145 <a name="l00124"></a>00124
146 <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);
147 <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);
148 <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);
149 <a name="l00128"></a>00128
150 <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);
151 <a name="l00130"></a>00130 vector&lt;string&gt; <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);
152 <a name="l00131"></a>00131
153 <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>;
154 <a name="l00133"></a>00133 };
155 <a name="l00134"></a>00134
156 <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> *
157 <a name="l00136"></a>00136 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#aa4eae58ddbadf6537a95dbb6e957187">PluginLoader::m_instance</a> = 0;
158 <a name="l00137"></a>00137
159 <a name="l00138"></a>00138 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl_1_1InstanceCleaner.html">PluginLoader::Impl::InstanceCleaner</a>
160 <a name="l00139"></a>00139 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#5d03696d9093949f627bd684c8db44c2">PluginLoader::Impl::m_cleaner</a>;
161 <a name="l00140"></a>00140
162 <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>()
163 <a name="l00142"></a>00142 {
164 <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>();
165 <a name="l00144"></a>00144 }
166 <a name="l00145"></a>00145
167 <a name="l00146"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#9e092d864efdc0f16c032bfb25e76dea">00146</a> PluginLoader::~PluginLoader()
168 <a name="l00147"></a>00147 {
169 <a name="l00148"></a>00148 <span class="keyword">delete</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#c12254d823f6d63cb8ce82a07bdcb072">m_impl</a>;
170 <a name="l00149"></a>00149 }
171 <a name="l00150"></a>00150
172 <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> *
173 <a name="l00152"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#dbb5c8855697a24be890e4f107e26b0e">00152</a> PluginLoader::getInstance()
174 <a name="l00153"></a>00153 {
175 <a name="l00154"></a>00154 <span class="keywordflow">if</span> (!<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#aa4eae58ddbadf6537a95dbb6e957187">m_instance</a>) {
176 <a name="l00155"></a>00155 <span class="comment">// The cleaner doesn't own the instance, because we leave the</span>
177 <a name="l00156"></a>00156 <span class="comment">// instance pointer in the base class for binary backwards</span>
178 <a name="l00157"></a>00157 <span class="comment">// compatibility reasons and to avoid waste</span>
179 <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>();
180 <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>);
181 <a name="l00160"></a>00160 }
182 <a name="l00161"></a>00161 <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#aa4eae58ddbadf6537a95dbb6e957187">m_instance</a>;
183 <a name="l00162"></a>00162 }
184 <a name="l00163"></a>00163
185 <a name="l00164"></a>00164 vector&lt;PluginLoader::PluginKey&gt;
186 <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>()
187 <a name="l00166"></a>00166 {
188 <a name="l00167"></a>00167 <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#c12254d823f6d63cb8ce82a07bdcb072">m_impl</a>-&gt;<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#398ccb508176f5550b2b2ca05f1fa3eb">listPlugins</a>();
189 <a name="l00168"></a>00168 }
190 <a name="l00169"></a>00169
191 <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> *
192 <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,
193 <a name="l00172"></a>00172 <span class="keywordtype">float</span> inputSampleRate,
194 <a name="l00173"></a>00173 <span class="keywordtype">int</span> adapterFlags)
195 <a name="l00174"></a>00174 {
196 <a name="l00175"></a>00175 <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#c12254d823f6d63cb8ce82a07bdcb072">m_impl</a>-&gt;<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#3f6c4872459007b13722818cbdac409c">loadPlugin</a>(key, inputSampleRate, adapterFlags);
197 <a name="l00176"></a>00176 }
198 <a name="l00177"></a>00177
199 <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>
200 <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)
201 <a name="l00180"></a>00180 {
202 <a name="l00181"></a>00181 <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#c12254d823f6d63cb8ce82a07bdcb072">m_impl</a>-&gt;<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#c84fafd9b12d44f8756628571b57d7ea">composePluginKey</a>(libraryName, identifier);
203 <a name="l00182"></a>00182 }
204 <a name="l00183"></a>00183
205 <a name="l00184"></a>00184 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#d6a39aa0c79d8d9209eb0b8dfe9d1364" title="PluginCategoryHierarchy is a sequence of general-&amp;gt;specific category names, as...">PluginLoader::PluginCategoryHierarchy</a>
206 <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)
207 <a name="l00186"></a>00186 {
208 <a name="l00187"></a>00187 <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#c12254d823f6d63cb8ce82a07bdcb072">m_impl</a>-&gt;<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#de4a5a8acbd85537c99440c4ac974be4">getPluginCategory</a>(key);
209 <a name="l00188"></a>00188 }
210 <a name="l00189"></a>00189
211 <a name="l00190"></a>00190 <span class="keywordtype">string</span>
212 <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)
213 <a name="l00192"></a>00192 {
214 <a name="l00193"></a>00193 <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#c12254d823f6d63cb8ce82a07bdcb072">m_impl</a>-&gt;<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#aac3ed8bf770f0675e624d411dab3efb">getLibraryPathForPlugin</a>(key);
215 <a name="l00194"></a>00194 }
216 <a name="l00195"></a>00195
217 <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>() :
218 <a name="l00197"></a>00197 m_allPluginsEnumerated(false)
219 <a name="l00198"></a>00198 {
220 <a name="l00199"></a>00199 }
221 <a name="l00200"></a>00200
222 <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>()
223 <a name="l00202"></a>00202 {
224 <a name="l00203"></a>00203 }
225 <a name="l00204"></a>00204
226 <a name="l00205"></a>00205 <span class="keywordtype">void</span>
227 <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)
228 <a name="l00207"></a>00207 {
229 <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);
230 <a name="l00209"></a>00209 }
231 <a name="l00210"></a>00210
232 <a name="l00211"></a>00211 vector&lt;PluginLoader::PluginKey&gt;
233 <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>()
234 <a name="l00213"></a>00213 {
235 <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>();
236 <a name="l00215"></a>00215
237 <a name="l00216"></a>00216 vector&lt;PluginKey&gt; plugins;
238 <a name="l00217"></a>00217 <span class="keywordflow">for</span> (map&lt;PluginKey, string&gt;::iterator mi = <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#59f6310a3bb71f761b635d06408713f3">m_pluginLibraryNameMap</a>.begin();
239 <a name="l00218"></a>00218 mi != <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#59f6310a3bb71f761b635d06408713f3">m_pluginLibraryNameMap</a>.end(); ++mi) {
240 <a name="l00219"></a>00219 plugins.push_back(mi-&gt;first);
241 <a name="l00220"></a>00220 }
242 <a name="l00221"></a>00221
243 <a name="l00222"></a>00222 <span class="keywordflow">return</span> plugins;
244 <a name="l00223"></a>00223 }
245 <a name="l00224"></a>00224
246 <a name="l00225"></a>00225 <span class="keywordtype">void</span>
247 <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)
248 <a name="l00227"></a>00227 {
249 <a name="l00228"></a>00228 vector&lt;string&gt; path = <a class="code" href="classVamp_1_1PluginHostAdapter.html#08d7ed3a11bf4a3c30fa0f9b41a0fed6">PluginHostAdapter::getPluginPath</a>();
250 <a name="l00229"></a>00229
251 <a name="l00230"></a>00230 <span class="keywordtype">string</span> libraryName, identifier;
252 <a name="l00231"></a>00231 <span class="keywordflow">if</span> (forPlugin != <span class="stringliteral">""</span>) {
253 <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)) {
254 <a name="l00233"></a>00233 std::cerr &lt;&lt; <span class="stringliteral">"WARNING: Vamp::HostExt::PluginLoader: Invalid plugin key \""</span>
255 <a name="l00234"></a>00234 &lt;&lt; forPlugin &lt;&lt; <span class="stringliteral">"\" in enumerate"</span> &lt;&lt; std::endl;
256 <a name="l00235"></a>00235 <span class="keywordflow">return</span>;
257 <a name="l00236"></a>00236 }
258 <a name="l00237"></a>00237 }
259 <a name="l00238"></a>00238
260 <a name="l00239"></a>00239 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; path.size(); ++i) {
261 <a name="l00240"></a>00240
262 <a name="l00241"></a>00241 vector&lt;string&gt; 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>);
263 <a name="l00242"></a>00242
264 <a name="l00243"></a>00243 <span class="keywordflow">for</span> (vector&lt;string&gt;::iterator fi = files.begin();
265 <a name="l00244"></a>00244 fi != files.end(); ++fi) {
266 <a name="l00245"></a>00245
267 <a name="l00246"></a>00246 <span class="keywordflow">if</span> (libraryName != <span class="stringliteral">""</span>) {
268 <a name="l00247"></a>00247 <span class="comment">// libraryName is lowercased and lacking an extension,</span>
269 <a name="l00248"></a>00248 <span class="comment">// as it came from the plugin key</span>
270 <a name="l00249"></a>00249 <span class="keywordtype">string</span> temp = *fi;
271 <a name="l00250"></a>00250 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; temp.length(); ++i) {
272 <a name="l00251"></a>00251 temp[i] = tolower(temp[i]);
273 <a name="l00252"></a>00252 }
274 <a name="l00253"></a>00253 string::size_type pi = temp.find(<span class="charliteral">'.'</span>);
275 <a name="l00254"></a>00254 <span class="keywordflow">if</span> (pi == string::npos) {
276 <a name="l00255"></a>00255 <span class="keywordflow">if</span> (libraryName != temp) <span class="keywordflow">continue</span>;
277 <a name="l00256"></a>00256 } <span class="keywordflow">else</span> {
278 <a name="l00257"></a>00257 <span class="keywordflow">if</span> (libraryName != temp.substr(0, pi)) <span class="keywordflow">continue</span>;
279 <a name="l00258"></a>00258 }
280 <a name="l00259"></a>00259 }
281 <a name="l00260"></a>00260
282 <a name="l00261"></a>00261 <span class="keywordtype">string</span> fullPath = path[i];
283 <a name="l00262"></a>00262 fullPath = <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#eb7a794c0a2410a81a382a08e8a0143c">splicePath</a>(fullPath, *fi);
284 <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);
285 <a name="l00264"></a>00264 <span class="keywordflow">if</span> (!handle) <span class="keywordflow">continue</span>;
286 <a name="l00265"></a>00265
287 <a name="l00266"></a>00266 <a class="code" href="vamp_8h.html#551bb7e0d8c970c2202be5f881817478" title="Function pointer type for vampGetPluginDescriptor.">VampGetPluginDescriptorFunction</a> fn =
288 <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>
289 <a name="l00268"></a>00268 (handle, <span class="stringliteral">"vampGetPluginDescriptor"</span>);
290 <a name="l00269"></a>00269
291 <a name="l00270"></a>00270 <span class="keywordflow">if</span> (!fn) {
292 <a name="l00271"></a>00271 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#6a93367036f896d505f553b616e1e7aa">unloadLibrary</a>(handle);
293 <a name="l00272"></a>00272 <span class="keywordflow">continue</span>;
294 <a name="l00273"></a>00273 }
295 <a name="l00274"></a>00274
296 <a name="l00275"></a>00275 <span class="keywordtype">int</span> index = 0;
297 <a name="l00276"></a>00276 <span class="keyword">const</span> <a class="code" href="struct__VampPluginDescriptor.html">VampPluginDescriptor</a> *descriptor = 0;
298 <a name="l00277"></a>00277
299 <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))) {
300 <a name="l00279"></a>00279 ++index;
301 <a name="l00280"></a>00280 <span class="keywordflow">if</span> (identifier != <span class="stringliteral">""</span>) {
302 <a name="l00281"></a>00281 <span class="keywordflow">if</span> (descriptor-&gt;<a class="code" href="struct__VampPluginDescriptor.html#4915ec8276749cb505c01d25a6d02219" title="Computer-usable name of the plugin.">identifier</a> != identifier) <span class="keywordflow">continue</span>;
303 <a name="l00282"></a>00282 }
304 <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-&gt;<a class="code" href="struct__VampPluginDescriptor.html#4915ec8276749cb505c01d25a6d02219" title="Computer-usable name of the plugin.">identifier</a>);
305 <a name="l00284"></a>00284 <span class="comment">// std::cerr &lt;&lt; "enumerate: " &lt;&lt; key &lt;&lt; " (path: " &lt;&lt; fullPath &lt;&lt; ")" &lt;&lt; std::endl;</span>
306 <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) ==
307 <a name="l00286"></a>00286 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#59f6310a3bb71f761b635d06408713f3">m_pluginLibraryNameMap</a>.end()) {
308 <a name="l00287"></a>00287 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#59f6310a3bb71f761b635d06408713f3">m_pluginLibraryNameMap</a>[key] = fullPath;
309 <a name="l00288"></a>00288 }
310 <a name="l00289"></a>00289 }
311 <a name="l00290"></a>00290
312 <a name="l00291"></a>00291 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#6a93367036f896d505f553b616e1e7aa">unloadLibrary</a>(handle);
313 <a name="l00292"></a>00292 }
314 <a name="l00293"></a>00293 }
315 <a name="l00294"></a>00294
316 <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>;
317 <a name="l00296"></a>00296 }
318 <a name="l00297"></a>00297
319 <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>
320 <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)
321 <a name="l00300"></a>00300 {
322 <a name="l00301"></a>00301 <span class="keywordtype">string</span> basename = libraryName;
323 <a name="l00302"></a>00302
324 <a name="l00303"></a>00303 string::size_type li = basename.rfind(<span class="charliteral">'/'</span>);
325 <a name="l00304"></a>00304 <span class="keywordflow">if</span> (li != string::npos) basename = basename.substr(li + 1);
326 <a name="l00305"></a>00305
327 <a name="l00306"></a>00306 li = basename.find(<span class="charliteral">'.'</span>);
328 <a name="l00307"></a>00307 <span class="keywordflow">if</span> (li != string::npos) basename = basename.substr(0, li);
329 <a name="l00308"></a>00308
330 <a name="l00309"></a>00309 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; basename.length(); ++i) {
331 <a name="l00310"></a>00310 basename[i] = tolower(basename[i]);
332 <a name="l00311"></a>00311 }
333 <a name="l00312"></a>00312
334 <a name="l00313"></a>00313 <span class="keywordflow">return</span> basename + <span class="stringliteral">":"</span> + identifier;
335 <a name="l00314"></a>00314 }
336 <a name="l00315"></a>00315
337 <a name="l00316"></a>00316 <span class="keywordtype">bool</span>
338 <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,
339 <a name="l00318"></a>00318 <span class="keywordtype">string</span> &amp;libraryName,
340 <a name="l00319"></a>00319 <span class="keywordtype">string</span> &amp;identifier)
341 <a name="l00320"></a>00320 {
342 <a name="l00321"></a>00321 string::size_type ki = key.find(<span class="charliteral">':'</span>);
343 <a name="l00322"></a>00322 <span class="keywordflow">if</span> (ki == string::npos) {
344 <a name="l00323"></a>00323 <span class="keywordflow">return</span> <span class="keyword">false</span>;
345 <a name="l00324"></a>00324 }
346 <a name="l00325"></a>00325
347 <a name="l00326"></a>00326 libraryName = key.substr(0, ki);
348 <a name="l00327"></a>00327 identifier = key.substr(ki + 1);
349 <a name="l00328"></a>00328 <span class="keywordflow">return</span> <span class="keyword">true</span>;
350 <a name="l00329"></a>00329 }
351 <a name="l00330"></a>00330
352 <a name="l00331"></a>00331 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#d6a39aa0c79d8d9209eb0b8dfe9d1364" title="PluginCategoryHierarchy is a sequence of general-&amp;gt;specific category names, as...">PluginLoader::PluginCategoryHierarchy</a>
353 <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)
354 <a name="l00333"></a>00333 {
355 <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>();
356 <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()) {
357 <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-&amp;gt;specific category names, as...">PluginCategoryHierarchy</a>();
358 <a name="l00337"></a>00337 }
359 <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];
360 <a name="l00339"></a>00339 }
361 <a name="l00340"></a>00340
362 <a name="l00341"></a>00341 <span class="keywordtype">string</span>
363 <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)
364 <a name="l00343"></a>00343 {
365 <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()) {
366 <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>;
367 <a name="l00346"></a>00346 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#6fb71e4d0b4ff367ffef141c5e62763d">enumeratePlugins</a>(plugin);
368 <a name="l00347"></a>00347 }
369 <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()) {
370 <a name="l00349"></a>00349 <span class="keywordflow">return</span> <span class="stringliteral">""</span>;
371 <a name="l00350"></a>00350 }
372 <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];
373 <a name="l00352"></a>00352 }
374 <a name="l00353"></a>00353
375 <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> *
376 <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,
377 <a name="l00356"></a>00356 <span class="keywordtype">float</span> inputSampleRate, <span class="keywordtype">int</span> adapterFlags)
378 <a name="l00357"></a>00357 {
379 <a name="l00358"></a>00358 <span class="keywordtype">string</span> libname, identifier;
380 <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)) {
381 <a name="l00360"></a>00360 std::cerr &lt;&lt; <span class="stringliteral">"Vamp::HostExt::PluginLoader: Invalid plugin key \""</span>
382 <a name="l00361"></a>00361 &lt;&lt; key &lt;&lt; <span class="stringliteral">"\" in loadPlugin"</span> &lt;&lt; std::endl;
383 <a name="l00362"></a>00362 <span class="keywordflow">return</span> 0;
384 <a name="l00363"></a>00363 }
385 <a name="l00364"></a>00364
386 <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);
387 <a name="l00366"></a>00366 <span class="keywordflow">if</span> (fullPath == <span class="stringliteral">""</span>) <span class="keywordflow">return</span> 0;
388 <a name="l00367"></a>00367
389 <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);
390 <a name="l00369"></a>00369 <span class="keywordflow">if</span> (!handle) <span class="keywordflow">return</span> 0;
391 <a name="l00370"></a>00370
392 <a name="l00371"></a>00371 <a class="code" href="vamp_8h.html#551bb7e0d8c970c2202be5f881817478" title="Function pointer type for vampGetPluginDescriptor.">VampGetPluginDescriptorFunction</a> fn =
393 <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>
394 <a name="l00373"></a>00373 (handle, <span class="stringliteral">"vampGetPluginDescriptor"</span>);
395 <a name="l00374"></a>00374
396 <a name="l00375"></a>00375 <span class="keywordflow">if</span> (!fn) {
397 <a name="l00376"></a>00376 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#6a93367036f896d505f553b616e1e7aa">unloadLibrary</a>(handle);
398 <a name="l00377"></a>00377 <span class="keywordflow">return</span> 0;
399 <a name="l00378"></a>00378 }
400 <a name="l00379"></a>00379
401 <a name="l00380"></a>00380 <span class="keywordtype">int</span> index = 0;
402 <a name="l00381"></a>00381 <span class="keyword">const</span> <a class="code" href="struct__VampPluginDescriptor.html">VampPluginDescriptor</a> *descriptor = 0;
403 <a name="l00382"></a>00382
404 <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))) {
405 <a name="l00384"></a>00384
406 <a name="l00385"></a>00385 <span class="keywordflow">if</span> (<span class="keywordtype">string</span>(descriptor-&gt;<a class="code" href="struct__VampPluginDescriptor.html#4915ec8276749cb505c01d25a6d02219" title="Computer-usable name of the plugin.">identifier</a>) == identifier) {
407 <a name="l00386"></a>00386
408 <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 =
409 <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);
410 <a name="l00389"></a>00389
411 <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>);
412 <a name="l00391"></a>00391
413 <a name="l00392"></a>00392 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#1c3cee03d20e669c8b9379247a222600">m_pluginLibraryHandleMap</a>[adapter] = handle;
414 <a name="l00393"></a>00393
415 <a name="l00394"></a>00394 <span class="keywordflow">if</span> (adapterFlags &amp; <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#ff3ee11692ce25e0dfb904324cbe3494763a9a0caf512d9671b90c05c2808a09">ADAPT_INPUT_DOMAIN</a>) {
416 <a name="l00395"></a>00395 <span class="keywordflow">if</span> (adapter-&gt;<a class="code" href="classVamp_1_1Plugin.html#e1d317a9702cbeda65ddf0ec500c1ff6" title="Get the plugin&amp;#39;s required input domain.">getInputDomain</a>() == <a class="code" href="classVamp_1_1Plugin.html#39cb7649d6dcc20e4cb1640cd55907bca30e7877ab33f76acbdca28607e6ab53">Plugin::FrequencyDomain</a>) {
417 <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);
418 <a name="l00397"></a>00397 }
419 <a name="l00398"></a>00398 }
420 <a name="l00399"></a>00399
421 <a name="l00400"></a>00400 <span class="keywordflow">if</span> (adapterFlags &amp; <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#ff3ee11692ce25e0dfb904324cbe34945c0c389797922630a6b54ffd1eed21f1">ADAPT_BUFFER_SIZE</a>) {
422 <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);
423 <a name="l00402"></a>00402 }
424 <a name="l00403"></a>00403
425 <a name="l00404"></a>00404 <span class="keywordflow">if</span> (adapterFlags &amp; <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#ff3ee11692ce25e0dfb904324cbe349454c43b85382d78e8ea8da192bce3a139">ADAPT_CHANNEL_COUNT</a>) {
426 <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);
427 <a name="l00406"></a>00406 }
428 <a name="l00407"></a>00407
429 <a name="l00408"></a>00408 <span class="keywordflow">return</span> adapter;
430 <a name="l00409"></a>00409 }
431 <a name="l00410"></a>00410
432 <a name="l00411"></a>00411 ++index;
433 <a name="l00412"></a>00412 }
434 <a name="l00413"></a>00413
435 <a name="l00414"></a>00414 cerr &lt;&lt; <span class="stringliteral">"Vamp::HostExt::PluginLoader: Plugin \""</span>
436 <a name="l00415"></a>00415 &lt;&lt; identifier &lt;&lt; <span class="stringliteral">"\" not found in library \""</span>
437 <a name="l00416"></a>00416 &lt;&lt; fullPath &lt;&lt; <span class="stringliteral">"\""</span> &lt;&lt; endl;
438 <a name="l00417"></a>00417
439 <a name="l00418"></a>00418 <span class="keywordflow">return</span> 0;
440 <a name="l00419"></a>00419 }
441 <a name="l00420"></a>00420
442 <a name="l00421"></a>00421 <span class="keywordtype">void</span>
443 <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>()
444 <a name="l00423"></a>00423 {
445 <a name="l00424"></a>00424 <span class="comment">// cerr &lt;&lt; "PluginLoader::Impl::generateTaxonomy" &lt;&lt; endl;</span>
446 <a name="l00425"></a>00425
447 <a name="l00426"></a>00426 vector&lt;string&gt; path = <a class="code" href="classVamp_1_1PluginHostAdapter.html#08d7ed3a11bf4a3c30fa0f9b41a0fed6">PluginHostAdapter::getPluginPath</a>();
448 <a name="l00427"></a>00427 <span class="keywordtype">string</span> libfragment = <span class="stringliteral">"/lib/"</span>;
449 <a name="l00428"></a>00428 vector&lt;string&gt; catpath;
450 <a name="l00429"></a>00429
451 <a name="l00430"></a>00430 <span class="keywordtype">string</span> suffix = <span class="stringliteral">"cat"</span>;
452 <a name="l00431"></a>00431
453 <a name="l00432"></a>00432 <span class="keywordflow">for</span> (vector&lt;string&gt;::iterator i = path.begin();
454 <a name="l00433"></a>00433 i != path.end(); ++i) {
455 <a name="l00434"></a>00434
456 <a name="l00435"></a>00435 <span class="comment">// It doesn't matter that we're using literal forward-slash in</span>
457 <a name="l00436"></a>00436 <span class="comment">// this bit, as it's only relevant if the path contains</span>
458 <a name="l00437"></a>00437 <span class="comment">// "/lib/", which is only meaningful and only plausible on</span>
459 <a name="l00438"></a>00438 <span class="comment">// systems with forward-slash delimiters</span>
460 <a name="l00439"></a>00439
461 <a name="l00440"></a>00440 <span class="keywordtype">string</span> dir = *i;
462 <a name="l00441"></a>00441 string::size_type li = dir.find(libfragment);
463 <a name="l00442"></a>00442
464 <a name="l00443"></a>00443 <span class="keywordflow">if</span> (li != string::npos) {
465 <a name="l00444"></a>00444 catpath.push_back
466 <a name="l00445"></a>00445 (dir.substr(0, li)
467 <a name="l00446"></a>00446 + <span class="stringliteral">"/share/"</span>
468 <a name="l00447"></a>00447 + dir.substr(li + libfragment.length()));
469 <a name="l00448"></a>00448 }
470 <a name="l00449"></a>00449
471 <a name="l00450"></a>00450 catpath.push_back(dir);
472 <a name="l00451"></a>00451 }
473 <a name="l00452"></a>00452
474 <a name="l00453"></a>00453 <span class="keywordtype">char</span> buffer[1024];
475 <a name="l00454"></a>00454
476 <a name="l00455"></a>00455 <span class="keywordflow">for</span> (vector&lt;string&gt;::iterator i = catpath.begin();
477 <a name="l00456"></a>00456 i != catpath.end(); ++i) {
478 <a name="l00457"></a>00457
479 <a name="l00458"></a>00458 vector&lt;string&gt; files = <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#2dd3964e84bca56390cd31b079fbc01f">listFiles</a>(*i, suffix);
480 <a name="l00459"></a>00459
481 <a name="l00460"></a>00460 <span class="keywordflow">for</span> (vector&lt;string&gt;::iterator fi = files.begin();
482 <a name="l00461"></a>00461 fi != files.end(); ++fi) {
483 <a name="l00462"></a>00462
484 <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);
485 <a name="l00464"></a>00464 ifstream is(filepath.c_str(), ifstream::in | ifstream::binary);
486 <a name="l00465"></a>00465
487 <a name="l00466"></a>00466 <span class="keywordflow">if</span> (is.fail()) {
488 <a name="l00467"></a>00467 <span class="comment">// cerr &lt;&lt; "failed to open: " &lt;&lt; filepath &lt;&lt; endl;</span>
489 <a name="l00468"></a>00468 <span class="keywordflow">continue</span>;
490 <a name="l00469"></a>00469 }
491 <a name="l00470"></a>00470
492 <a name="l00471"></a>00471 <span class="comment">// cerr &lt;&lt; "opened: " &lt;&lt; filepath &lt;&lt; endl;</span>
493 <a name="l00472"></a>00472
494 <a name="l00473"></a>00473 <span class="keywordflow">while</span> (!!is.getline(buffer, 1024)) {
495 <a name="l00474"></a>00474
496 <a name="l00475"></a>00475 <span class="keywordtype">string</span> line(buffer);
497 <a name="l00476"></a>00476
498 <a name="l00477"></a>00477 <span class="comment">// cerr &lt;&lt; "line = " &lt;&lt; line &lt;&lt; endl;</span>
499 <a name="l00478"></a>00478
500 <a name="l00479"></a>00479 string::size_type di = line.find(<span class="stringliteral">"::"</span>);
501 <a name="l00480"></a>00480 <span class="keywordflow">if</span> (di == string::npos) <span class="keywordflow">continue</span>;
502 <a name="l00481"></a>00481
503 <a name="l00482"></a>00482 <span class="keywordtype">string</span> <span class="keywordtype">id</span> = line.substr(0, di);
504 <a name="l00483"></a>00483 <span class="keywordtype">string</span> encodedCat = line.substr(di + 2);
505 <a name="l00484"></a>00484
506 <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>;
507 <a name="l00486"></a>00486 <span class="keywordtype">id</span> = <span class="keywordtype">id</span>.substr(5);
508 <a name="l00487"></a>00487
509 <a name="l00488"></a>00488 <span class="keywordflow">while</span> (encodedCat.length() &gt;= 1 &amp;&amp;
510 <a name="l00489"></a>00489 encodedCat[encodedCat.length()-1] == <span class="charliteral">'\r'</span>) {
511 <a name="l00490"></a>00490 encodedCat = encodedCat.substr(0, encodedCat.length()-1);
512 <a name="l00491"></a>00491 }
513 <a name="l00492"></a>00492
514 <a name="l00493"></a>00493 <span class="comment">// cerr &lt;&lt; "id = " &lt;&lt; id &lt;&lt; ", cat = " &lt;&lt; encodedCat &lt;&lt; endl;</span>
515 <a name="l00494"></a>00494
516 <a name="l00495"></a>00495 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader.html#d6a39aa0c79d8d9209eb0b8dfe9d1364" title="PluginCategoryHierarchy is a sequence of general-&amp;gt;specific category names, as...">PluginCategoryHierarchy</a> category;
517 <a name="l00496"></a>00496 string::size_type ai;
518 <a name="l00497"></a>00497 <span class="keywordflow">while</span> ((ai = encodedCat.find(<span class="stringliteral">" &gt; "</span>)) != string::npos) {
519 <a name="l00498"></a>00498 category.push_back(encodedCat.substr(0, ai));
520 <a name="l00499"></a>00499 encodedCat = encodedCat.substr(ai + 3);
521 <a name="l00500"></a>00500 }
522 <a name="l00501"></a>00501 <span class="keywordflow">if</span> (encodedCat != <span class="stringliteral">""</span>) category.push_back(encodedCat);
523 <a name="l00502"></a>00502
524 <a name="l00503"></a>00503 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#2ba901c7e59ece349b715d4a3fec7b04">m_taxonomy</a>[id] = category;
525 <a name="l00504"></a>00504 }
526 <a name="l00505"></a>00505 }
527 <a name="l00506"></a>00506 }
528 <a name="l00507"></a>00507 }
529 <a name="l00508"></a>00508
530 <a name="l00509"></a>00509 <span class="keywordtype">void</span> *
531 <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)
532 <a name="l00511"></a>00511 {
533 <a name="l00512"></a>00512 <span class="keywordtype">void</span> *handle = 0;
534 <a name="l00513"></a>00513 <span class="preprocessor">#ifdef _WIN32</span>
535 <a name="l00514"></a>00514 <span class="preprocessor"></span> handle = LoadLibrary(path.c_str());
536 <a name="l00515"></a>00515 <span class="keywordflow">if</span> (!handle) {
537 <a name="l00516"></a>00516 cerr &lt;&lt; <span class="stringliteral">"Vamp::HostExt::PluginLoader: Unable to load library \""</span>
538 <a name="l00517"></a>00517 &lt;&lt; path &lt;&lt; <span class="stringliteral">"\""</span> &lt;&lt; endl;
539 <a name="l00518"></a>00518 }
540 <a name="l00519"></a>00519 <span class="preprocessor">#else</span>
541 <a name="l00520"></a>00520 <span class="preprocessor"></span> handle = dlopen(path.c_str(), RTLD_LAZY | RTLD_LOCAL);
542 <a name="l00521"></a>00521 <span class="keywordflow">if</span> (!handle) {
543 <a name="l00522"></a>00522 cerr &lt;&lt; <span class="stringliteral">"Vamp::HostExt::PluginLoader: Unable to load library \""</span>
544 <a name="l00523"></a>00523 &lt;&lt; path &lt;&lt; <span class="stringliteral">"\": "</span> &lt;&lt; dlerror() &lt;&lt; endl;
545 <a name="l00524"></a>00524 }
546 <a name="l00525"></a>00525 <span class="preprocessor">#endif</span>
547 <a name="l00526"></a>00526 <span class="preprocessor"></span> <span class="keywordflow">return</span> handle;
548 <a name="l00527"></a>00527 }
549 <a name="l00528"></a>00528
550 <a name="l00529"></a>00529 <span class="keywordtype">void</span>
551 <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)
552 <a name="l00531"></a>00531 {
553 <a name="l00532"></a>00532 <span class="preprocessor">#ifdef _WIN32</span>
554 <a name="l00533"></a>00533 <span class="preprocessor"></span> FreeLibrary((HINSTANCE)handle);
555 <a name="l00534"></a>00534 <span class="preprocessor">#else</span>
556 <a name="l00535"></a>00535 <span class="preprocessor"></span> dlclose(handle);
557 <a name="l00536"></a>00536 <span class="preprocessor">#endif</span>
558 <a name="l00537"></a>00537 <span class="preprocessor"></span>}
559 <a name="l00538"></a>00538
560 <a name="l00539"></a>00539 <span class="keywordtype">void</span> *
561 <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)
562 <a name="l00541"></a>00541 {
563 <a name="l00542"></a>00542 <span class="preprocessor">#ifdef _WIN32</span>
564 <a name="l00543"></a>00543 <span class="preprocessor"></span> <span class="keywordflow">return</span> (<span class="keywordtype">void</span> *)GetProcAddress((HINSTANCE)handle, symbol);
565 <a name="l00544"></a>00544 <span class="preprocessor">#else</span>
566 <a name="l00545"></a>00545 <span class="preprocessor"></span> <span class="keywordflow">return</span> (<span class="keywordtype">void</span> *)dlsym(handle, symbol);
567 <a name="l00546"></a>00546 <span class="preprocessor">#endif</span>
568 <a name="l00547"></a>00547 <span class="preprocessor"></span>}
569 <a name="l00548"></a>00548
570 <a name="l00549"></a>00549 <span class="keywordtype">string</span>
571 <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)
572 <a name="l00551"></a>00551 {
573 <a name="l00552"></a>00552 <span class="preprocessor">#ifdef _WIN32</span>
574 <a name="l00553"></a>00553 <span class="preprocessor"></span> <span class="keywordflow">return</span> a + <span class="stringliteral">"\\"</span> + b;
575 <a name="l00554"></a>00554 <span class="preprocessor">#else</span>
576 <a name="l00555"></a>00555 <span class="preprocessor"></span> <span class="keywordflow">return</span> a + <span class="stringliteral">"/"</span> + b;
577 <a name="l00556"></a>00556 <span class="preprocessor">#endif</span>
578 <a name="l00557"></a>00557 <span class="preprocessor"></span>}
579 <a name="l00558"></a>00558
580 <a name="l00559"></a>00559 vector&lt;string&gt;
581 <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)
582 <a name="l00561"></a>00561 {
583 <a name="l00562"></a>00562 vector&lt;string&gt; files;
584 <a name="l00563"></a>00563
585 <a name="l00564"></a>00564 <span class="preprocessor">#ifdef _WIN32</span>
586 <a name="l00565"></a>00565 <span class="preprocessor"></span>
587 <a name="l00566"></a>00566 <span class="keywordtype">string</span> expression = dir + <span class="stringliteral">"\\*."</span> + extension;
588 <a name="l00567"></a>00567 WIN32_FIND_DATA data;
589 <a name="l00568"></a>00568 HANDLE fh = FindFirstFile(expression.c_str(), &amp;data);
590 <a name="l00569"></a>00569 <span class="keywordflow">if</span> (fh == INVALID_HANDLE_VALUE) <span class="keywordflow">return</span> files;
591 <a name="l00570"></a>00570
592 <a name="l00571"></a>00571 <span class="keywordtype">bool</span> ok = <span class="keyword">true</span>;
593 <a name="l00572"></a>00572 <span class="keywordflow">while</span> (ok) {
594 <a name="l00573"></a>00573 files.push_back(data.cFileName);
595 <a name="l00574"></a>00574 ok = FindNextFile(fh, &amp;data);
596 <a name="l00575"></a>00575 }
597 <a name="l00576"></a>00576
598 <a name="l00577"></a>00577 FindClose(fh);
599 <a name="l00578"></a>00578
600 <a name="l00579"></a>00579 <span class="preprocessor">#else</span>
601 <a name="l00580"></a>00580 <span class="preprocessor"></span>
602 <a name="l00581"></a>00581 <span class="keywordtype">size_t</span> extlen = extension.length();
603 <a name="l00582"></a>00582 DIR *d = opendir(dir.c_str());
604 <a name="l00583"></a>00583 <span class="keywordflow">if</span> (!d) <span class="keywordflow">return</span> files;
605 <a name="l00584"></a>00584
606 <a name="l00585"></a>00585 <span class="keyword">struct </span>dirent *e = 0;
607 <a name="l00586"></a>00586 <span class="keywordflow">while</span> ((e = readdir(d))) {
608 <a name="l00587"></a>00587
609 <a name="l00588"></a>00588 <span class="keywordflow">if</span> (!e-&gt;d_name) <span class="keywordflow">continue</span>;
610 <a name="l00589"></a>00589
611 <a name="l00590"></a>00590 <span class="keywordtype">size_t</span> len = strlen(e-&gt;d_name);
612 <a name="l00591"></a>00591 <span class="keywordflow">if</span> (len &lt; extlen + 2 ||
613 <a name="l00592"></a>00592 e-&gt;d_name + len - extlen - 1 != <span class="stringliteral">"."</span> + extension) {
614 <a name="l00593"></a>00593 <span class="keywordflow">continue</span>;
615 <a name="l00594"></a>00594 }
616 <a name="l00595"></a>00595
617 <a name="l00596"></a>00596 files.push_back(e-&gt;d_name);
618 <a name="l00597"></a>00597 }
619 <a name="l00598"></a>00598
620 <a name="l00599"></a>00599 closedir(d);
621 <a name="l00600"></a>00600 <span class="preprocessor">#endif</span>
622 <a name="l00601"></a>00601 <span class="preprocessor"></span>
623 <a name="l00602"></a>00602 <span class="keywordflow">return</span> files;
624 <a name="l00603"></a>00603 }
625 <a name="l00604"></a>00604
626 <a name="l00605"></a>00605 <span class="keywordtype">void</span>
627 <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)
628 <a name="l00607"></a>00607 {
629 <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];
630 <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);
631 <a name="l00610"></a>00610 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#1c3cee03d20e669c8b9379247a222600">m_pluginLibraryHandleMap</a>.erase(adapter);
632 <a name="l00611"></a>00611 }
633 <a name="l00612"></a>00612
634 <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,
635 <a name="l00614"></a>00614 <a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html">Impl</a> *loader) :
636 <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),
637 <a name="l00616"></a>00616 m_loader(loader)
638 <a name="l00617"></a>00617 {
639 <a name="l00618"></a>00618 }
640 <a name="l00619"></a>00619
641 <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>()
642 <a name="l00621"></a>00621 {
643 <a name="l00622"></a>00622 <span class="comment">// We need to delete the plugin before calling pluginDeleted, as</span>
644 <a name="l00623"></a>00623 <span class="comment">// the delete call may require calling through to the descriptor</span>
645 <a name="l00624"></a>00624 <span class="comment">// (for e.g. cleanup) but pluginDeleted may unload the required</span>
646 <a name="l00625"></a>00625 <span class="comment">// library for the call. To prevent a double deletion when our</span>
647 <a name="l00626"></a>00626 <span class="comment">// parent's destructor runs (after this one), be sure to set</span>
648 <a name="l00627"></a>00627 <span class="comment">// m_plugin to 0 after deletion.</span>
649 <a name="l00628"></a>00628 <span class="keyword">delete</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginWrapper.html#b4e40ecd98b445e1a2aa9e7baa280ea2">m_plugin</a>;
650 <a name="l00629"></a>00629 <a class="code" href="classVamp_1_1HostExt_1_1PluginWrapper.html#b4e40ecd98b445e1a2aa9e7baa280ea2">m_plugin</a> = 0;
651 <a name="l00630"></a>00630
652 <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>-&gt;<a class="code" href="classVamp_1_1HostExt_1_1PluginLoader_1_1Impl.html#e0a6e1bf07a62eb6a34a1393bc3da26c">pluginDeleted</a>(<span class="keyword">this</span>);
653 <a name="l00632"></a>00632 }
654 <a name="l00633"></a>00633
655 <a name="l00634"></a>00634 }
656 <a name="l00635"></a>00635
657 <a name="l00636"></a>00636 }
658 </pre></div></div>
659 <hr size="1"><address style="text-align: right;"><small>Generated on Wed Jul 9 11:36:07 2008 for VampPluginSDK by&nbsp;
660 <a href="http://www.doxygen.org/index.html">
661 <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.5 </small></address>
662 </body>
663 </html>