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_1in2out_h__
21 #define __ardour_panner_1in2out_h__
29 #include "pbd/stateful.h"
30 #include "pbd/controllable.h"
31 #include "pbd/cartesian.h"
33 #include "ardour/types.h"
34 #include "ardour/automation_control.h"
35 #include "ardour/automatable.h"
39 class PannerStereoBase : public class Panner
42 PannerStereoBase (Panner&);
45 void set_position (double);
47 ChanCount in() const { return ChanCount (DataType::AUDIO, 1); }
48 ChanCount out() const { return ChanCount (DataType::AUDIO, 2); }
50 /* this class just leaves the pan law itself to be defined
51 by the update(), do_distribute_automated()
52 methods. derived classes also need a factory method
53 and a type name. See EqualPowerStereoPanner as an example.
56 void do_distribute (AudioBuffer& src, BufferSet& obufs, gain_t gain_coeff, pframes_t nframes);
59 boost::shared_ptr<AutomationControl> _position;
70 #endif /* __ardour_panner_1in2out_h__ */