qzdoom/src/wildmidi/reverb.h
Randy Heit 635b496165 Separate WildMidi mixing from event handling
- In order to use ZDoom's own MIDI sequencer event handling must be
  completely separate from mixing, but WildMidi had them intertwined
  because it wasn't designed for external sequencers.
- Also remove all 'long's defining the output buffers to avoid having
  something that's 32 bits wide on Windows and 64 bits wide on Linux.
2015-12-28 20:33:41 -06:00

57 lines
1.8 KiB
C

/*
reverb.h
Midi Wavetable Processing library
Copyright (C) Chris Ison 2001-2011
Copyright (C) Bret Curtis 2013-2014
This file is part of WildMIDI.
WildMIDI is free software: you can redistribute and/or modify the player
under the terms of the GNU General Public License and you can redistribute
and/or modify the library under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation, either version 3 of
the licenses, or(at your option) any later version.
WildMIDI 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 and
the GNU Lesser General Public License for more details.
You should have received a copy of the GNU General Public License and the
GNU Lesser General Public License along with WildMIDI. If not, see
<http://www.gnu.org/licenses/>.
*/
#ifndef __REVERB_H
#define __REVERB_H
struct _rvb {
/* filter data */
signed int l_buf_flt_in[8][6][2];
signed int l_buf_flt_out[8][6][2];
signed int r_buf_flt_in[8][6][2];
signed int r_buf_flt_out[8][6][2];
signed int coeff[8][6][5];
/* buffer data */
signed int *l_buf;
signed int *r_buf;
int l_buf_size;
int r_buf_size;
int l_out;
int r_out;
int l_sp_in[8];
int r_sp_in[8];
int l_in[4];
int r_in[4];
int gain;
unsigned long int max_reverb_time;
};
extern void _WM_reset_reverb (struct _rvb *rvb);
extern struct _rvb *_WM_init_reverb(int rate, float room_x, float room_y, float listen_x, float listen_y);
extern void _WM_free_reverb (struct _rvb *rvb);
extern void _WM_do_reverb (struct _rvb *rvb, signed int *buffer, int size);
#endif /* __REVERB_H */