94 lines
2.6 KiB
C++
94 lines
2.6 KiB
C++
/* This file is part of Om. Copyright (C) 2006 Dave Robillard.
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*
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* Om is free software; you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option) any later
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* version.
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*
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* Om is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef NODEFACTORY_H
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#define NODEFACTORY_H
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#include "config.h"
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#include <list>
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#include <string>
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#include <ladspa.h>
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#include <pthread.h>
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using std::string; using std::list;
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namespace Om {
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class Node;
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class PortInfo;
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class Patch;
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class PluginLibrary;
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class Plugin;
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/** Loads plugins and creates Nodes from them.
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*
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* NodeFactory's responsibility is to get enough information to allow the
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* loading of a plugin possible (ie finding/opening shared libraries etc)
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*
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* The constructor of various Node types (ie LADSPAPlugin) are responsible
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* for actually creating a Node instance of the plugin.
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*
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* \ingroup engine
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*/
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class NodeFactory
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{
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public:
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NodeFactory();
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~NodeFactory();
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void load_plugins();
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Node* load_plugin(const Plugin* info, const string& name, size_t poly, Patch* parent);
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const list<Plugin*>& plugins() { return m_plugins; }
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void lock_plugin_list() { pthread_mutex_lock(&m_plugin_list_mutex); }
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void unlock_plugin_list() { pthread_mutex_unlock(&m_plugin_list_mutex); }
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private:
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#ifdef HAVE_LADSPA
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void load_ladspa_plugins();
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Node* load_ladspa_plugin(const string& plugin_uri, const string& name, size_t poly, Patch* parent);
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#endif
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#ifdef HAVE_SLV2
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void load_lv2_plugins();
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Node* load_lv2_plugin(const string& plugin_uri, const string& name, size_t poly, Patch* parent);
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#endif
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#ifdef HAVE_DSSI
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void load_dssi_plugins();
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Node* load_dssi_plugin(const string& plugin_uri, const string& name, size_t poly, Patch* parent);
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#endif
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Node* load_internal_plugin(const string& plug_label, const string& name, size_t poly, Patch* parent);
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list<PluginLibrary*> m_libraries;
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list<Plugin*> m_internal_plugins;
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list<Plugin*> m_plugins;
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/** Used to protect the list while load_plugins is building it. */
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pthread_mutex_t m_plugin_list_mutex;
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bool m_has_loaded;
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};
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} // namespace Om
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#endif // NODEFACTORY_H
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