71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
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/*
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Copyright (C) 2004-2011 Paul Davis
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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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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __ardour_panner_1in2out_h__
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#define __ardour_panner_1in2out_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 "pbd/stateful.h"
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#include "pbd/controllable.h"
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#include "pbd/cartesian.h"
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#include "ardour/types.h"
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#include "ardour/automation_control.h"
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#include "ardour/automatable.h"
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namespace ARDOUR {
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class PannerStereoBase : public class Panner
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{
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public:
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PannerStereoBase (Panner&);
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~PannerStereoBase ();
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void set_position (double);
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ChanCount in() const { return ChanCount (DataType::AUDIO, 1); }
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ChanCount out() const { return ChanCount (DataType::AUDIO, 2); }
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/* this class just leaves the pan law itself to be defined
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by the update(), do_distribute_automated()
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methods. derived classes also need a factory method
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and a type name. See EqualPowerStereoPanner as an example.
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*/
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void do_distribute (AudioBuffer& src, BufferSet& obufs, gain_t gain_coeff, pframes_t nframes);
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protected:
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boost::shared_ptr<AutomationControl> _position;
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float left;
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float right;
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float desired_left;
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float desired_right;
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float left_interp;
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float right_interp;
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};
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}
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#endif /* __ardour_panner_1in2out_h__ */
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