mixer.h

Go to the documentation of this file.

/*
 * Copyright (C) 2020 Luciano Iam <oss@lucianoiam.com>
 *
 * 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_surface_websockets_mixer_h_
#define _ardour_surface_websockets_mixer_h_
 
#include <glibmm/threads.h>
 
#include "component.h"
#include "typed_value.h"
 
namespace ArdourSurface {
 
class ArdourMixerNotFoundException : public std::runtime_error
{
public:
        ArdourMixerNotFoundException (std::string const & what)
                : std::runtime_error (what)
                , _what (what)
        {}
 
        ~ArdourMixerNotFoundException() throw() {}
 
        const char* what() const throw() { return _what.c_str(); }
 
private:
        std::string _what;
};
 
class ArdourMixerPlugin : public PBD::ScopedConnectionList
{
public:
        ArdourMixerPlugin (std::shared_ptr<ARDOUR::PluginInsert>);
        ~ArdourMixerPlugin ();
 
        std::shared_ptr<ARDOUR::PluginInsert> insert () const;
        
        bool enabled () const;
        void set_enabled (bool);
 
        uint32_t   param_count () const;
        TypedValue param_value (uint32_t);
        void       set_param_value (uint32_t, TypedValue);
 
        std::shared_ptr<ARDOUR::AutomationControl> param_control (uint32_t) const;
 
        static TypedValue param_value (std::shared_ptr<ARDOUR::AutomationControl>);
 
private:
        std::shared_ptr<ARDOUR::PluginInsert> _insert;
};
 
class ArdourMixerStrip : public PBD::ScopedConnectionList
{
public:
        ArdourMixerStrip (std::shared_ptr<ARDOUR::Stripable>, PBD::EventLoop*);
        ~ArdourMixerStrip ();
        
        std::shared_ptr<ARDOUR::Stripable> stripable () const;
 
        typedef std::map<uint32_t, std::shared_ptr<ArdourMixerPlugin> > PluginMap;
 
        PluginMap&         plugins ();
        ArdourMixerPlugin& plugin (uint32_t);
 
        double gain () const;
        void   set_gain (double);
 
        bool   has_pan () const;
        double pan () const;
        void   set_pan (double);
 
        bool mute () const;
        void set_mute (bool);
 
        std::string name () const;
 
        float meter_level_db () const;
 
        static double to_db (double);
        static double from_db (double);
 
        static int to_velocity (double);
        static double from_velocity (int);
 
private:
        std::shared_ptr<ARDOUR::Stripable> _stripable;
 
        PluginMap _plugins;
 
        bool is_midi () const;
 
        void on_drop_plugin (uint32_t);
 
};
 
class ArdourMixer : public SurfaceComponent
{
public:
        ArdourMixer (ArdourSurface::ArdourWebsockets& surface)
            : SurfaceComponent (surface){};
        virtual ~ArdourMixer (){};
 
        int start ();
        int stop ();
 
        typedef std::map<uint32_t, std::shared_ptr<ArdourMixerStrip> > StripMap;
 
        StripMap&         strips ();
        ArdourMixerStrip& strip (uint32_t);
        void              on_drop_strip (uint32_t);
 
        Glib::Threads::Mutex& mutex ();
 
private:
        StripMap             _strips;
        Glib::Threads::Mutex _mutex;
};
 
} // namespace ArdourSurface
 
#endif // _ardour_surface_websockets_mixer_h_