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/*
cw_binaural~: a binaural synthesis external for pure data
by David Doukhan - david.doukhan@gmail.com - http://www.limsi.fr/Individu/doukhan
and Anne Sedes - sedes.anne@gmail.com
Copyright (C) 2009-2011 David Doukhan and Anne Sedes
For more details, see CW_binaural~, a binaural synthesis external for Pure Data
David Doukhan and Anne Sedes, PDCON09
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef DELAY_HPP_
# define DELAY_HPP_
# include <string>
using namespace std;
class Delay
{
public:
Delay(unsigned size);
virtual ~Delay();
virtual void process(const float* input, float* output, float new_delay, unsigned n) = 0;
static Delay* create(string delay_name, unsigned size);
protected:
inline void push_value(float f);
const unsigned _size;
unsigned _fifo_id;
float * _fifo;
float _old_delay, _cur_delay;
};
// Does no fractional Delay
class DummyDelay: public Delay
{
public:
DummyDelay(int size): Delay(size) {}
virtual void process(const float* input, float* output, float new_delay, unsigned n);
};
// 1st order fractional Delay
class BasicInterpolDelay: public Delay
{
public:
BasicInterpolDelay(int size): Delay(size) {}
virtual void process(const float* input, float* output, float new_delay, unsigned n);
};
// SuperCollider fractional Delay
class SCDelay: public Delay
{
public:
SCDelay(int size): Delay(size) {}
virtual void process(const float* input, float* output, float new_delay, unsigned n);
};
// 6th order fractional Delay
class CZDelay: public Delay
{
public:
CZDelay(int size): Delay(size) {}
virtual void process(const float* input, float* output, float new_delay, unsigned n);
};
class NoDelay: public Delay
{
public:
NoDelay(int size): Delay(size) {}
virtual void process(const float* input, float* output, float new_delay, unsigned n);
};
#endif
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