1 /* $OpenBSD: opt.h,v 1.8 2024/04/22 10:42:04 ratchov Exp $ */ 2 /* 3 * Copyright (c) 2008-2012 Alexandre Ratchov <alex@caoua.org> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 #ifndef OPT_H 18 #define OPT_H 19 20 #define OPT_NMAX 16 21 22 struct dev; 23 24 struct opt { 25 struct opt *next; 26 struct dev *dev, *alt_first; 27 struct midi *midi; 28 struct mtc *mtc; /* if set, MMC-controlled MTC source */ 29 30 int num; 31 #define OPT_NAMEMAX 11 32 char name[OPT_NAMEMAX + 1]; 33 int maxweight; /* max dynamic range for clients */ 34 int pmin, pmax; /* play channels */ 35 int rmin, rmax; /* recording channels */ 36 int dup; /* true if join/expand enabled */ 37 int mode; /* bitmap of MODE_XXX */ 38 int refcnt; 39 }; 40 41 extern struct opt *opt_list; 42 43 struct opt *opt_new(struct dev *, char *, int, int, int, int, 44 int, int, int, unsigned int); 45 void opt_del(struct opt *); 46 struct opt *opt_byname(char *); 47 struct opt *opt_bynum(int); 48 void opt_init(struct opt *); 49 void opt_done(struct opt *); 50 int opt_setdev(struct opt *, struct dev *); 51 struct dev *opt_ref(struct opt *); 52 void opt_unref(struct opt *); 53 54 #endif /* !defined(OPT_H) */ 55