mirror of https://github.com/ericonr/sndio.git
92 lines
3.0 KiB
C
92 lines
3.0 KiB
C
/* $OpenBSD: sndio_priv.h,v 1.8 2009/07/25 11:15:56 ratchov Exp $ */
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/*
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* Copyright (c) 2008 Alexandre Ratchov <alex@caoua.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef SNDIO_PRIV_H
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#define SNDIO_PRIV_H
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#include <sys/param.h>
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#include "sndio.h"
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#ifdef DEBUG
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#define DPRINTF(...) \
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do { \
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if (sio_debug > 0) \
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fprintf(stderr, __VA_ARGS__); \
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} while(0)
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#define DPERROR(s) \
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do { \
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if (sio_debug > 0) \
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perror(s); \
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} while(0)
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#else
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#define DPRINTF(...) do {} while(0)
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#define DPERROR(s) do {} while(0)
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#endif
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/*
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* private ``handle'' structure
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*/
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struct sio_hdl {
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struct sio_ops *ops;
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void (*move_cb)(void *, int); /* call-back for realpos changes */
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void *move_addr; /* user priv. data for move_cb */
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void (*vol_cb)(void *, unsigned); /* call-back for volume changes */
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void *vol_addr; /* user priv. data for vol_cb */
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unsigned mode; /* SIO_PLAY | SIO_REC */
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int started; /* true if started */
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int nbio; /* true if non-blocking io */
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int eof; /* true if error occured */
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#ifdef DEBUG
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unsigned long long pollcnt; /* times sio_revents was called */
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unsigned long long wcnt; /* bytes written with sio_write() */
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unsigned long long rcnt; /* bytes read with sio_read() */
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long long realpos;
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struct timeval tv;
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struct sio_par par;
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#endif
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};
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/*
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* operations every device should support
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*/
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struct sio_ops {
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void (*close)(struct sio_hdl *);
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int (*setpar)(struct sio_hdl *, struct sio_par *);
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int (*getpar)(struct sio_hdl *, struct sio_par *);
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int (*getcap)(struct sio_hdl *, struct sio_cap *);
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size_t (*write)(struct sio_hdl *, const void *, size_t);
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size_t (*read)(struct sio_hdl *, void *, size_t);
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int (*start)(struct sio_hdl *);
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int (*stop)(struct sio_hdl *);
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int (*pollfd)(struct sio_hdl *, struct pollfd *, int);
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int (*revents)(struct sio_hdl *, struct pollfd *);
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int (*setvol)(struct sio_hdl *, unsigned);
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void (*getvol)(struct sio_hdl *);
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};
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struct sio_hdl *sio_open_aucat(const char *, unsigned, int);
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struct sio_hdl *sio_open_sun(const char *, unsigned, int);
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void sio_create(struct sio_hdl *, struct sio_ops *, unsigned, int);
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void sio_destroy(struct sio_hdl *);
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void sio_onmove_cb(struct sio_hdl *, int);
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void sio_onvol_cb(struct sio_hdl *, unsigned);
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#ifdef DEBUG
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extern int sio_debug;
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#endif
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#endif /* !defined(SNDIO_PRIV_H) */
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