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/* $OpenBSD: defs.h,v 1.1 2012/11/23 07:03:28 ratchov Exp $ */
/*
* Copyright (c) 2008-2012 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 DEFS_H
#define DEFS_H
/*
* Log levels:
*
* 0 - fatal errors: bugs, asserts, internal errors.
* 1 - warnings: bugs in clients, failed allocations, non-fatal errors.
* 2 - misc information (hardware parameters, incoming clients)
* 3 - structural changes (new aproc structures and files stream params changes)
* 4 - data blocks and messages
*/
extern unsigned int log_level;
/*
* MIDI buffer size
*/
#define MIDI_BUFSZ 3125 /* 1 second at 31.25kbit/s */
/*
* units used for MTC clock.
*/
#define MTC_SEC 2400 /* 1 second is 2400 ticks */
/*
* device or sub-device mode, must be a superset of corresponding SIO_
* and MIO_ constants
*/
#define MODE_PLAY 0x01 /* allowed to play */
#define MODE_REC 0x02 /* allowed to rec */
#define MODE_MIDIOUT 0x04 /* allowed to read midi */
#define MODE_MIDIIN 0x08 /* allowed to write midi */
#define MODE_MON 0x10 /* allowed to monitor */
#define MODE_RECMASK (MODE_REC | MODE_MON)
#define MODE_AUDIOMASK (MODE_PLAY | MODE_REC | MODE_MON)
#define MODE_MIDIMASK (MODE_MIDIIN | MODE_MIDIOUT)
/*
* underrun/overrun policies, must be the same as SIO_ constants
*/
#define XRUN_IGNORE 0 /* on xrun silently insert/discard samples */
#define XRUN_SYNC 1 /* catchup to sync to the mix/sub */
#define XRUN_ERROR 2 /* xruns are errors, eof/hup buffer */
/*
* limits
*/
#define NCHAN_MAX 16 /* max channel in a stream */
#define RATE_MIN 4000 /* min sample rate */
#define RATE_MAX 192000 /* max sample rate */
#define BITS_MIN 1 /* min bits per sample */
#define BITS_MAX 32 /* max bits per sample */
#endif /* !defined(DEFS_H) */
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