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/*
* Copyright (C) 2011-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2011 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2013-2014 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.
*/
#ifndef __ardour_panner_shell_h__
#define __ardour_panner_shell_h__
#include <cmath>
#include <cassert>
#include <vector>
#include <string>
#include <iostream>
#include <boost/noncopyable.hpp>
#include "pbd/cartesian.h"
#include "ardour/libardour_visibility.h"
#include "ardour/types.h"
#include "ardour/session_object.h"
namespace ARDOUR {
class Session;
class Route;
class Panner;
class BufferSet;
class AudioBuffer;
class Speakers;
class Pannable;
/** Class to manage panning by instantiating and controlling
* an appropriate Panner object for a given in/out configuration.
*/
class LIBARDOUR_API PannerShell : public SessionObject
{
public:
PannerShell (std::string name, Session&, boost::shared_ptr<Pannable>, bool is_send = false);
virtual ~PannerShell ();
std::string describe_parameter (Evoral::Parameter param);
bool can_support_io_configuration (const ChanCount& /*in*/, ChanCount& /*out*/) { return true; };
void configure_io (ChanCount in, ChanCount out);
/// The fundamental Panner function
void run (BufferSet& src, BufferSet& dest, samplepos_t start_sample, samplepos_t end_samples, pframes_t nframes);
XMLNode& get_state ();
int set_state (const XMLNode&, int version);
PBD::Signal0<void> PannableChanged; /* Pannable changed -- l*/
PBD::Signal0<void> Changed; /* panner and/or outputs count and/or bypass state changed */
boost::shared_ptr<Panner> panner() const { return _panner; }
boost::shared_ptr<Pannable> pannable() const { return _panlinked ? _pannable_route : _pannable_internal; }
bool bypassed () const;
void set_bypassed (bool);
bool is_send () const { return (_is_send); }
bool is_linked_to_route () const { return (_is_send && _panlinked); }
/* this function takes the process lock: */
void set_linked_to_route (bool);
std::string current_panner_uri() const { return _current_panner_uri; }
std::string user_selected_panner_uri() const { return _user_selected_panner_uri; }
std::string panner_gui_uri() const { return _panner_gui_uri; }
/* this function takes the process lock: */
bool select_panner_by_uri (std::string const uri);
private:
void distribute_no_automation (BufferSet& src, BufferSet& dest, pframes_t nframes, gain_t gain_coeff);
bool set_user_selected_panner_uri (std::string const uri);
boost::shared_ptr<Panner> _panner;
boost::shared_ptr<Pannable> _pannable_internal;
boost::shared_ptr<Pannable> _pannable_route;
bool _is_send;
bool _panlinked;
bool _bypassed;
std::string _current_panner_uri;
std::string _user_selected_panner_uri;
std::string _panner_gui_uri;
bool _force_reselect;
};
} // namespace ARDOUR
#endif /* __ardour_panner_shell_h__ */
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