2 Copyright (C) 2004-2011 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __ardour_panner_shell_h__
21 #define __ardour_panner_shell_h__
29 #include <boost/noncopyable.hpp>
31 #include "pbd/cartesian.h"
33 #include "ardour/libardour_visibility.h"
34 #include "ardour/types.h"
35 #include "ardour/session_object.h"
46 /** Class to manage panning by instantiating and controlling
47 * an appropriate Panner object for a given in/out configuration.
49 class LIBARDOUR_API PannerShell : public SessionObject
52 PannerShell (std::string name, Session&, boost::shared_ptr<Pannable>);
53 virtual ~PannerShell ();
55 std::string describe_parameter (Evoral::Parameter param);
57 bool can_support_io_configuration (const ChanCount& /*in*/, ChanCount& /*out*/) { return true; };
58 void configure_io (ChanCount in, ChanCount out);
60 /// The fundamental Panner function
61 void run (BufferSet& src, BufferSet& dest, framepos_t start_frame, framepos_t end_frames, pframes_t nframes);
63 XMLNode& get_state ();
64 int set_state (const XMLNode&, int version);
66 PBD::Signal0<void> Changed; /* panner and/or outputs count and/or bypass state changed */
68 boost::shared_ptr<Panner> panner() const { return _panner; }
69 boost::shared_ptr<Pannable> pannable() const { return _pannable; }
71 bool bypassed () const;
72 void set_bypassed (bool);
75 void distribute_no_automation (BufferSet& src, BufferSet& dest, pframes_t nframes, gain_t gain_coeff);
76 boost::shared_ptr<Panner> _panner;
77 boost::shared_ptr<Pannable> _pannable;
83 #endif /* __ardour_panner_shell_h__ */