comparison vamp-sdk/hostext/PluginLoader.h @ 58:0284955e31e5 host-factory-stuff

* reshuffle

+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Vamp
+
+    An API for audio analysis and feature extraction plugins.
+
+    Centre for Digital Music, Queen Mary, University of London.
+    Copyright 2006 Chris Cannam.
+  
+    Permission is hereby granted, free of charge, to any person
+    obtaining a copy of this software and associated documentation
+    files (the "Software"), to deal in the Software without
+    restriction, including without limitation the rights to use, copy,
+    modify, merge, publish, distribute, sublicense, and/or sell copies
+    of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be
+    included in all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
+    ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+    CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+    WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+    Except as contained in this notice, the names of the Centre for
+    Digital Music; Queen Mary, University of London; and Chris Cannam
+    shall not be used in advertising or otherwise to promote the sale,
+    use or other dealings in this Software without prior written
+    authorization.
+*/
+
+#ifndef _VAMP_PLUGIN_LOADER_H_
+#define _VAMP_PLUGIN_LOADER_H_
+
+#include <vector>
+#include <string>
+#include <map>
+
+namespace Vamp {
+
+class Plugin;
+
+class PluginLoader
+{
+public:
+    PluginLoader();
+    virtual ~PluginLoader();
+
+    typedef std::string PluginKey;
+    typedef std::vector<std::string> PluginCategoryHierarchy;
+
+    std::vector<PluginKey> listPlugins(); //!!! pass in version number?
+
+    //!!! want to be able to just "delete" the plugin later -- hence
+    //have to consider library loading issues -- do we have a wrapper
+    //class that tells us when it's been deleted, and keep a reference
+    //count for the dynamic library?
+    Plugin *load(PluginKey plugin, float inputSampleRate);
+
+    PluginCategoryHierarchy getPluginCategory(PluginKey plugin);
+
+    std::string getLibraryPathForPlugin(PluginKey plugin);
+
+protected:
+    std::map<PluginKey, std::string> m_pluginLibraryMap;
+    std::map<PluginKey, PluginCategoryHierarchy> m_taxonomy;
+    void generateTaxonomy();
+    std::vector<std::string> getFilesInDir(std::string dir, std::string ext);
+};
+
+}
+
+
+#endif
+