89 lines
2.3 KiB
C++
89 lines
2.3 KiB
C++
/*
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Copyright (C) 2003-2008 Fons Adriaensen <fons@kokkinizita.net>
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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 __ASECTION_H
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#define __ASECTION_H
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#include "global.h"
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using namespace Ms;
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#define PERIOD 64
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#define MIXLEN 64
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#define NCHANN 4
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#define NRANKS 32
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//---------------------------------------------------------
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// Diffuser
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//---------------------------------------------------------
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class Diffuser {
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float *_data;
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int _size;
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int _i;
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float _c;
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public:
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void init(int size, float c);
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void fini();
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int size() { return _size; }
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float process(float x) {
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float w = x - _c * _data [_i];
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x = _data [_i] + _c * w;
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_data [_i] = w;
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if (++_i == _size)
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_i = 0;
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return x;
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}
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};
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//---------------------------------------------------------
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// Asection
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//---------------------------------------------------------
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class Asection {
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enum { AZIMUTH, STWIDTH, DIRECT, REFLECT, REVERB };
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int _offs0;
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int _offs [16];
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float _fsam;
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float *_base;
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float _sw;
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float _sx;
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float _sy;
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Diffuser _dif0;
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Diffuser _dif1;
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Diffuser _dif2;
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Diffuser _dif3;
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SyntiParameter _apar [5];
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public:
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Asection (float fsam);
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~Asection ();
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float *get_wptr () { return _base + _offs0; }
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SyntiParameter *get_apar () { return _apar; }
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void set_size (float size);
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void process (float vol, float *W, float *X, float *Y, float *R);
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static float _refl [16];
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};
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#endif
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