80 lines
2.8 KiB
C
80 lines
2.8 KiB
C
/* $OpenBSD: sio_priv.h,v 1.11 2022/12/27 17:10:07 jmc Exp $ */
|
|
/*
|
|
* Copyright (c) 2008 Alexandre Ratchov <alex@caoua.org>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
#ifndef SNDIO_PRIV_H
|
|
#define SNDIO_PRIV_H
|
|
|
|
#include "sndio.h"
|
|
|
|
#define SIO_MAXNFDS 16
|
|
|
|
/*
|
|
* private ``handle'' structure
|
|
*/
|
|
struct sio_hdl {
|
|
struct sio_ops *ops;
|
|
void (*move_cb)(void *, int); /* call-back for realpos changes */
|
|
void *move_addr; /* user priv. data for move_cb */
|
|
void (*vol_cb)(void *, unsigned); /* call-back for volume changes */
|
|
void *vol_addr; /* user priv. data for vol_cb */
|
|
unsigned mode; /* SIO_PLAY | SIO_REC */
|
|
int started; /* true if started */
|
|
int nbio; /* true if non-blocking io */
|
|
int eof; /* true if error occurred */
|
|
int rdrop; /* recorded bytes to drop */
|
|
int wsil; /* silence to play */
|
|
int rused; /* bytes used in read buffer */
|
|
int wused; /* bytes used in write buffer */
|
|
long long cpos; /* clock since start */
|
|
struct sio_par par;
|
|
#ifdef DEBUG
|
|
unsigned long long pollcnt; /* times sio_revents was called */
|
|
long long start_nsec;
|
|
#endif
|
|
};
|
|
|
|
/*
|
|
* operations every device should support
|
|
*/
|
|
struct sio_ops {
|
|
void (*close)(struct sio_hdl *);
|
|
int (*setpar)(struct sio_hdl *, struct sio_par *);
|
|
int (*getpar)(struct sio_hdl *, struct sio_par *);
|
|
int (*getcap)(struct sio_hdl *, struct sio_cap *);
|
|
size_t (*write)(struct sio_hdl *, const void *, size_t);
|
|
size_t (*read)(struct sio_hdl *, void *, size_t);
|
|
int (*start)(struct sio_hdl *);
|
|
int (*stop)(struct sio_hdl *);
|
|
int (*flush)(struct sio_hdl *);
|
|
int (*nfds)(struct sio_hdl *);
|
|
int (*pollfd)(struct sio_hdl *, struct pollfd *, int);
|
|
int (*revents)(struct sio_hdl *, struct pollfd *);
|
|
int (*setvol)(struct sio_hdl *, unsigned);
|
|
void (*getvol)(struct sio_hdl *);
|
|
};
|
|
|
|
struct sio_hdl *_sio_aucat_open(const char *, unsigned, int);
|
|
struct sio_hdl *_sio_sun_open(const char *, unsigned, int);
|
|
void _sio_create(struct sio_hdl *, struct sio_ops *, unsigned, int);
|
|
void _sio_destroy(struct sio_hdl *);
|
|
void _sio_onmove_cb(struct sio_hdl *, int);
|
|
void _sio_onvol_cb(struct sio_hdl *, unsigned);
|
|
#ifdef DEBUG
|
|
void _sio_printpos(struct sio_hdl *);
|
|
#endif
|
|
|
|
#endif /* !defined(SNDIO_PRIV_H) */
|