mirror of https://github.com/ericonr/sndio.git
64 lines
2.3 KiB
C
64 lines
2.3 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2008-2012 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 DEFS_H
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#define DEFS_H
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/*
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* MIDI buffer size
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*/
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#define MIDI_BUFSZ 3125 /* 1 second at 31.25kbit/s */
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/*
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* units used for MTC clock. Must allow a quarter of frame to be
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* represented at any of the standard 24, 25, or 30 fps.
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*/
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#define MTC_SEC 2400 /* 1 second is 2400 ticks */
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/*
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* device or sub-device mode, must be a superset of corresponding SIO_
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* and MIO_ constants
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*/
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#define MODE_PLAY 0x01 /* allowed to play */
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#define MODE_REC 0x02 /* allowed to rec */
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#define MODE_MIDIOUT 0x04 /* allowed to read midi */
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#define MODE_MIDIIN 0x08 /* allowed to write midi */
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#define MODE_MON 0x10 /* allowed to monitor */
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#define MODE_CTLREAD 0x100 /* allowed to read controls */
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#define MODE_CTLWRITE 0x200 /* allowed to change controls */
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#define MODE_RECMASK (MODE_REC | MODE_MON)
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#define MODE_AUDIOMASK (MODE_PLAY | MODE_REC | MODE_MON)
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#define MODE_MIDIMASK (MODE_MIDIIN | MODE_MIDIOUT)
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#define MODE_CTLMASK (MODE_CTLREAD | MODE_CTLWRITE)
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/*
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* underrun/overrun policies, must be the same as SIO_ constants
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*/
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#define XRUN_IGNORE 0 /* on xrun silently insert/discard samples */
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#define XRUN_SYNC 1 /* catchup to sync to the mix/sub */
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#define XRUN_ERROR 2 /* xruns are errors, eof/hup buffer */
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/*
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* limits
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*/
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#define NCHAN_MAX 64 /* max channel in a stream */
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#define RATE_MIN 4000 /* min sample rate */
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#define RATE_MAX 192000 /* max sample rate */
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#define BITS_MIN 1 /* min bits per sample */
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#define BITS_MAX 32 /* max bits per sample */
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#endif /* !defined(DEFS_H) */
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