panner_manager.h

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/*
 * Copyright (C) 2011-2015 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2014 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.
 */
 
#pragma once
 
#include <map>
#include <string>
#include <glibmm/module.h>
 
#include "ardour/panner.h"
#include "ardour/session_handle.h"
 
namespace ARDOUR {
 
typedef std::map<std::string,std::string> PannerUriMap;
 
struct LIBARDOUR_API PannerInfo {
 
        PanPluginDescriptor descriptor;
        Glib::Module* module;
 
        PannerInfo (PanPluginDescriptor& d, Glib::Module* m)
        : descriptor (d)
        , module (m)
        {}
 
        ~PannerInfo () {
                delete module;
        }
};
 
class LIBARDOUR_API PannerManager : public ARDOUR::SessionHandlePtr
{
public:
        ~PannerManager ();
        static PannerManager& instance ();
 
        void discover_panners ();
        std::list<PannerInfo*> panner_info;
 
        PannerInfo* select_panner (ChanCount in, ChanCount out, std::string const uri = "");
        PannerInfo* get_by_uri (std::string uri) const;
        PannerUriMap get_available_panners(uint32_t const a_in, uint32_t const a_out) const;
 
private:
        PannerManager();
        static PannerManager* _instance;
 
        PannerInfo* get_descriptor (std::string path);
        int panner_discover (std::string path);
};
 
} // namespace