111 lines
3.6 KiB
C++
111 lines
3.6 KiB
C++
/*
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* Copyright (C) 2011-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2011 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2013-2014 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __ardour_panner_shell_h__
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#define __ardour_panner_shell_h__
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#include <cmath>
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#include <cassert>
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#include <vector>
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#include <string>
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#include <iostream>
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#include <boost/noncopyable.hpp>
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#include "pbd/cartesian.h"
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#include "ardour/libardour_visibility.h"
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#include "ardour/types.h"
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#include "ardour/session_object.h"
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namespace ARDOUR {
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class Session;
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class Route;
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class Panner;
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class BufferSet;
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class AudioBuffer;
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class Speakers;
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class Pannable;
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/** Class to manage panning by instantiating and controlling
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* an appropriate Panner object for a given in/out configuration.
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*/
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class LIBARDOUR_API PannerShell : public SessionObject
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{
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public:
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PannerShell (std::string name, Session&, std::shared_ptr<Pannable>, Temporal::TimeDomainProvider const &, bool is_send = false);
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virtual ~PannerShell ();
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std::string describe_parameter (Evoral::Parameter param);
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bool can_support_io_configuration (const ChanCount& /*in*/, ChanCount& /*out*/) { return true; };
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void configure_io (ChanCount in, ChanCount out);
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/// The fundamental Panner function
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void run (BufferSet& src, BufferSet& dest, samplepos_t start_sample, samplepos_t end_samples, pframes_t nframes);
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XMLNode& get_state () const;
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int set_state (const XMLNode&, int version);
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PBD::Signal0<void> PannableChanged; /* Pannable changed -- l*/
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PBD::Signal0<void> Changed; /* panner and/or outputs count and/or bypass state changed */
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std::shared_ptr<Panner> panner() const { return _panner; }
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std::shared_ptr<Pannable> pannable() const { return _panlinked ? _pannable_route : _pannable_internal; }
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std::shared_ptr<Pannable> unlinked_pannable () const { return _pannable_internal; }
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bool bypassed () const;
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void set_bypassed (bool);
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bool is_send () const { return (_is_send); }
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bool is_linked_to_route () const { return (_is_send && _panlinked); }
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/* this function takes the process lock: */
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void set_linked_to_route (bool);
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std::string current_panner_uri() const { return _current_panner_uri; }
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std::string user_selected_panner_uri() const { return _user_selected_panner_uri; }
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std::string panner_gui_uri() const { return _panner_gui_uri; }
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/* this function takes the process lock: */
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bool select_panner_by_uri (std::string const uri);
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private:
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void distribute_no_automation (BufferSet& src, BufferSet& dest, pframes_t nframes, gain_t gain_coeff);
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bool set_user_selected_panner_uri (std::string const uri);
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std::shared_ptr<Panner> _panner;
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std::shared_ptr<Pannable> _pannable_internal;
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std::shared_ptr<Pannable> _pannable_route;
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bool _is_send;
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bool _panlinked;
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bool _bypassed;
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std::string _current_panner_uri;
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std::string _user_selected_panner_uri;
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std::string _panner_gui_uri;
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bool _force_reselect;
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};
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} // namespace ARDOUR
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#endif /* __ardour_panner_shell_h__ */
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