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58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
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/*
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reverb.h
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Midi Wavetable Processing library
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Copyright (C) Chris Ison 2001-2011
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Copyright (C) Bret Curtis 2013-2014
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This file is part of WildMIDI.
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WildMIDI is free software: you can redistribute and/or modify the player
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under the terms of the GNU General Public License and you can redistribute
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and/or modify the library under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation, either version 3 of
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the licenses, or(at your option) any later version.
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WildMIDI is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License and
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the GNU Lesser General Public License for more details.
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You should have received a copy of the GNU General Public License and the
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GNU Lesser General Public License along with WildMIDI. If not, see
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<http://www.gnu.org/licenses/>.
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*/
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#ifndef __REVERB_H
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#define __REVERB_H
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struct _rvb {
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/* filter data */
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signed long int l_buf_flt_in[8][6][2];
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signed long int l_buf_flt_out[8][6][2];
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signed long int r_buf_flt_in[8][6][2];
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signed long int r_buf_flt_out[8][6][2];
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signed long int coeff[8][6][5];
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/* buffer data */
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signed long int *l_buf;
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signed long int *r_buf;
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int l_buf_size;
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int r_buf_size;
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int l_out;
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int r_out;
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int l_sp_in[8];
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int r_sp_in[8];
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int l_in[4];
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int r_in[4];
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int gain;
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unsigned long int max_reverb_time;
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};
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extern void _WM_reset_reverb (struct _rvb *rvb);
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extern struct _rvb *_WM_init_reverb(int rate, float room_x, float room_y, float listen_x, float listen_y);
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extern void _WM_free_reverb (struct _rvb *rvb);
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extern void _WM_do_reverb (struct _rvb *rvb, signed long int *buffer, int size);
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#endif /* __REVERB_H */
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