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Annotation of src/usr.bin/sndiod/defs.h, Revision 1.2

1.2     ! ratchov     1: /*     $OpenBSD: defs.h,v 1.1 2012/11/23 07:03:28 ratchov Exp $        */
1.1       ratchov     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 DEFS_H
                     18: #define DEFS_H
                     19:
                     20: /*
                     21:  * MIDI buffer size
                     22:  */
                     23: #define MIDI_BUFSZ             3125    /* 1 second at 31.25kbit/s */
                     24:
                     25: /*
                     26:  * units used for MTC clock.
                     27:  */
                     28: #define MTC_SEC                        2400    /* 1 second is 2400 ticks */
                     29:
                     30: /*
                     31:  * device or sub-device mode, must be a superset of corresponding SIO_
                     32:  * and MIO_ constants
                     33:  */
                     34: #define MODE_PLAY      0x01    /* allowed to play */
                     35: #define MODE_REC       0x02    /* allowed to rec */
                     36: #define MODE_MIDIOUT   0x04    /* allowed to read midi */
                     37: #define MODE_MIDIIN    0x08    /* allowed to write midi */
                     38: #define MODE_MON       0x10    /* allowed to monitor */
                     39: #define MODE_RECMASK   (MODE_REC | MODE_MON)
                     40: #define MODE_AUDIOMASK (MODE_PLAY | MODE_REC | MODE_MON)
                     41: #define MODE_MIDIMASK  (MODE_MIDIIN | MODE_MIDIOUT)
                     42:
                     43: /*
                     44:  * underrun/overrun policies, must be the same as SIO_ constants
                     45:  */
                     46: #define XRUN_IGNORE    0       /* on xrun silently insert/discard samples */
                     47: #define XRUN_SYNC      1       /* catchup to sync to the mix/sub */
                     48: #define XRUN_ERROR     2       /* xruns are errors, eof/hup buffer */
                     49:
                     50: /*
                     51:  * limits
                     52:  */
                     53: #define NCHAN_MAX      16              /* max channel in a stream */
                     54: #define RATE_MIN       4000            /* min sample rate */
                     55: #define RATE_MAX       192000          /* max sample rate */
                     56: #define BITS_MIN       1               /* min bits per sample */
                     57: #define BITS_MAX       32              /* max bits per sample */
                     58:
                     59: #endif /* !defined(DEFS_H) */