vst3_module.h

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/*
 * Copyright (C) 2019 Robin Gareus <robin@gareus.org>
 *
 * This program 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.
 *
 * This program 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 more 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#ifndef _ardour_vst3_module_h_
#define _ardour_vst3_module_h_
 
#include <memory>
#include <string>
 
#include "ardour/libardour_visibility.h"
 
namespace Steinberg {
        class IPluginFactory;
}
 
namespace ARDOUR {
 
class LIBARDOUR_API VST3PluginModule
{
public:
        static std::shared_ptr<VST3PluginModule> load (std::string const& path);
 
        VST3PluginModule () : _factory (0) {}
        virtual ~VST3PluginModule () {}
 
        Steinberg::IPluginFactory* factory ();
 
        bool has_symbol (const char* name) const {
                return NULL != fn_ptr (name);
        }
 
protected:
        void release_factory ();
 
        virtual bool init () = 0;
        virtual bool exit () = 0;
        virtual void* fn_ptr (const char* name) const = 0;
 
#ifndef NDEBUG
        std::string _path;
#endif
 
private:
        /* prevent copy construction */
        VST3PluginModule (VST3PluginModule const&);
 
        Steinberg::IPluginFactory* _factory;
};
 
} // namespace ARDOUR
#endif