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/*
Copyright (C) 2010 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __libardour_vbap_h__
#define __libardour_vbap_h__
#include <string>
#include <map>
#include <pbd/signals.h>
#include "ardour/panner.h"
namespace ARDOUR {
class VBAPSpeakers;
class VBAPanner : public StreamPanner {
public:
VBAPanner (Panner& parent, Evoral::Parameter param, VBAPSpeakers& s);
~VBAPanner ();
void do_distribute (AudioBuffer&, BufferSet& obufs, gain_t gain_coeff, nframes_t nframes);
void set_azimuth_elevation (double azimuth, double elevation);
private:
double _azimuth; /* direction for the signal source */
double _elevation; /* elevation of the signal source */
bool _dirty;
double gains[3];
double desired_gains[3];
int outputs[3];
int desired_outputs[3];
PBD::ScopedConnection speaker_connection;
VBAPSpeakers& _speakers;
void compute_gains (double g[3], int ls[3], int azi, int ele);
void update ();
void mark_dirty ();
};
} /* namespace */
#endif /* __libardour_vbap_h__ */
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