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/*
* Copyright (C) 2011-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2011-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2013 John Emmas <john@creativepost.co.uk>
*
* 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_1in2out_h__
#define __ardour_panner_1in2out_h__
#include <cassert>
#include <cmath>
#include <iostream>
#include <string>
#include <vector>
#include "pbd/cartesian.h"
#include "pbd/controllable.h"
#include "pbd/stateful.h"
#include "ardour/panner.h"
#include "ardour/types.h"
namespace ARDOUR
{
class Panner1in2out : public Panner
{
public:
Panner1in2out (boost::shared_ptr<Pannable>);
~Panner1in2out ();
void set_position (double);
bool clamp_position (double&);
std::pair<double, double> position_range () const;
double position () const;
ChanCount in () const
{
return ChanCount (DataType::AUDIO, 1);
}
ChanCount out () const
{
return ChanCount (DataType::AUDIO, 2);
}
static Panner* factory (boost::shared_ptr<Pannable>, boost::shared_ptr<Speakers>);
std::string value_as_string (boost::shared_ptr<const AutomationControl>) const;
XMLNode& get_state ();
void reset ();
protected:
float left;
float right;
float desired_left;
float desired_right;
float left_interp;
float right_interp;
void distribute_one (AudioBuffer& src, BufferSet& obufs, gain_t gain_coeff, pframes_t nframes, uint32_t which);
void distribute_one_automated (AudioBuffer& srcbuf, BufferSet& obufs,
samplepos_t start, samplepos_t end, pframes_t nframes,
pan_t** buffers, uint32_t which);
void update ();
};
} // namespace ARDOUR
#endif /* __ardour_panner_1in2out_h__ */
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