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115 lines
2.0 KiB
C++
115 lines
2.0 KiB
C++
/*
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Pan.h
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Copyright 2004-11 Tim Goetze <tim@quitte.de>
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http://quitte.de/dsp/
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panorama with width control,
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stereo image width reduction
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*/
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/*
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (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., 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA or point your web browser to http://www.gnu.org.
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*/
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#ifndef _PAN_H_
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#define _PAN_H_
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#include "dsp/Delay.h"
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#include "dsp/OnePole.h"
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class PanTap
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{
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public:
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int t;
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DSP::OnePoleLP damper;
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sample_t get (DSP::Delay & delay)
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{
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return damper.process (delay[t]);
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}
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void reset (double c)
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{
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damper.set_f (c);
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damper.reset();
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}
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};
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class Pan
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: public Plugin
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{
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public:
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sample_t pan;
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sample_t gain_l, gain_r;
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DSP::Delay delay;
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PanTap tap;
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template <sample_func_t F>
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void one_cycle (int frames);
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inline void set_pan (sample_t);
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public:
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static PortInfo port_info [];
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void init();
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void activate();
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void run (int n)
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{
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one_cycle<store_func> (n);
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}
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void run_adding (int n)
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{
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one_cycle<adding_func> (n);
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}
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};
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/* stereo width reduction */
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class Narrower
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: public Plugin
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{
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public:
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sample_t strength;
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template <sample_func_t F>
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void one_cycle (int frames);
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public:
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static PortInfo port_info [];
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void init();
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void activate();
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void run (int n)
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{
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one_cycle<store_func> (n);
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}
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void run_adding (int n)
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{
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one_cycle<adding_func> (n);
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}
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};
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#endif /* _PAN_H_ */
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