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/*
* Diverse Bristol audio routines.
* Copyright (c) by Nick Copeland <nickycopeland@hotmail.com> 1996,2012
*
*
* 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 FILTER_H
#define FILTER_H
#define VCF_FREQ_MAX (0.825f)
typedef struct BristolFILTER {
bristolOPSpec spec;
} bristolFILTER;
typedef struct BristolFILTERlocal {
unsigned int flags;
float Bout;
float oSource;
float output;
float velocity;
float history[1024];
float cutoff;
float a[8];
float adash[8];
float spc;
float delay1, delay2, delay3, delay4, delay5;
float out1, out2, out3, out4;
float az1;
float az2;
float az3;
float az4;
float az5;
float ay1;
float ay2;
float ay3;
float ay4;
float amf;
} bristolFILTERlocal;
#endif /* FILTER_H */
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