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Diffstat (limited to 'src/libs/engine/Plugin.hpp')
| -rw-r--r-- | src/libs/engine/Plugin.hpp | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/src/libs/engine/Plugin.hpp b/src/libs/engine/Plugin.hpp new file mode 100644 index 00000000..10689145 --- /dev/null +++ b/src/libs/engine/Plugin.hpp @@ -0,0 +1,156 @@ +/* This file is part of Ingen. + * Copyright (C) 2007 Dave Robillard <http://drobilla.net> + * + * Ingen is free software; you can redistribute it and/or modify it under the + * terms of the GNU General Public License as published by the Free Software + * Foundation; either version 2 of the License, or (at your option) any later + * version. + * + * Ingen is distributed in the hope that it will be useful, but WITHOUT ANY + * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef PLUGIN_H +#define PLUGIN_H + +#include "../../../../config/config.h" + +#include <cstdlib> +#include <glibmm/module.h> +#include <boost/utility.hpp> +#include <dlfcn.h> +#include <string> +#include <iostream> +#ifdef HAVE_SLV2 +#include <slv2/slv2.h> +#endif +#include "types.hpp" +using std::string; +using std::cerr; using std::endl; + +namespace Ingen { + +class Patch; +class Node; + + +/** Representation of a plugin (of various types). + * + * A Node is an instance of this, conceptually. + * FIXME: This whole thing is a filthy mess and needs a rewrite. Probably + * with derived classes for each plugin type. + */ +class Plugin : boost::noncopyable +{ +public: + enum Type { LV2, LADSPA, DSSI, Internal, Patch }; + + Plugin(Type type, const string& uri) + : _type(type) + , _uri(uri) + , _id(0) + , _module(NULL) +#ifdef HAVE_SLV2 + , _slv2_plugin(NULL) +#endif + {} + +#if 0 + // FIXME: remove + Plugin() : _type(Internal), _lib_path("/Ingen"), + _id(0), _library(NULL) + { +#ifdef HAVE_SLV2 + _slv2_plugin = NULL; +#endif + } +#endif + + Plugin(const Plugin* const copy) { + // Copying only allowed for Internal plugins. Bit of a hack, but + // allows the PluginInfo to be defined in the Node class which keeps + // things localized and convenient (FIXME?) + if (copy->_type != Internal) + exit(EXIT_FAILURE); + _type = copy->_type; + _uri = copy->_uri; + _lib_path = copy->_lib_path; + _lib_name = copy->_lib_name; + _plug_label = copy->_plug_label; + _name = copy->_name; + _id = _id; + _module = copy->_module; + } + + Type type() const { return _type; } + void type(Type t) { _type = t; } + const string& lib_path() const { return _lib_path; } + void lib_path(const string& s) { _lib_path = s; _lib_name = _lib_path.substr(_lib_path.find_last_of("/")+1); } + string lib_name() const { return _lib_name; } + void lib_name(const string& s) { _lib_name = s; } + const string& plug_label() const { return _plug_label; } + void plug_label(const string& s) { _plug_label = s; } + const string& name() const { return _name; } + void name(const string& s) { _name = s; } + unsigned long id() const { return _id; } + void id(unsigned long i) { _id = i; } + const string uri() const { return _uri; } + void uri(const string& s) { _uri = s; } + Glib::Module* module() const { return _module; } + void module(Glib::Module* module) { _module = module; } + + const char* type_string() const { + if (_type == LADSPA) return "LADSPA"; + else if (_type == LV2) return "LV2"; + else if (_type == DSSI) return "DSSI"; + else if (_type == Internal) return "Internal"; + else if (_type == Patch) return "Patch"; + else return ""; + } + + string type_uri() const { + return string("ingen:") + type_string(); + } + + void set_type(const string& type_string) { + if (type_string == "LADSPA") _type = LADSPA; + else if (type_string == "LV2") _type = LV2; + else if (type_string == "DSSI") _type = DSSI; + else if (type_string == "Internal") _type = Internal; + else if (type_string == "Patch") _type = Patch; + } + + // FIXME: ew +#ifdef HAVE_SLV2 + SLV2Plugin slv2_plugin() const { return _slv2_plugin; } + void slv2_plugin(SLV2Plugin p) { _slv2_plugin = p; } +#endif + + Node* instantiate(const string& name, size_t poly, Ingen::Patch* parent, SampleRate srate, size_t buffer_size); + +private: + Type _type; + string _uri; ///< LV2 only + string _lib_path; ///< LADSPA/DSSI only + string _lib_name; ///< LADSPA/DSSI only + string _plug_label; ///< LADSPA/DSSI only + string _name; ///< LADSPA/DSSI only + unsigned long _id; ///< LADSPA/DSSI only + + Glib::Module* _module; + +#ifdef HAVE_SLV2 + SLV2Plugin _slv2_plugin; +#endif +}; + + +} // namespace Ingen + +#endif // PLUGIN_H + |