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Annotation of src/usr.bin/sndiod/defs.h, Revision 1.5

1.5     ! ratchov     1: /*     $OpenBSD: defs.h,v 1.4 2019/07/28 09:44:10 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: /*
1.3       ratchov    26:  * units used for MTC clock. Must allow a quarter of frame to be
                     27:  * represented at any of the standard 24, 25, or 30 fps.
1.1       ratchov    28:  */
                     29: #define MTC_SEC                        2400    /* 1 second is 2400 ticks */
                     30:
                     31: /*
                     32:  * device or sub-device mode, must be a superset of corresponding SIO_
                     33:  * and MIO_ constants
                     34:  */
                     35: #define MODE_PLAY      0x01    /* allowed to play */
                     36: #define MODE_REC       0x02    /* allowed to rec */
                     37: #define MODE_MIDIOUT   0x04    /* allowed to read midi */
                     38: #define MODE_MIDIIN    0x08    /* allowed to write midi */
                     39: #define MODE_MON       0x10    /* allowed to monitor */
1.5     ! ratchov    40: #define MODE_CTLREAD   0x100   /* allowed to read controls */
        !            41: #define MODE_CTLWRITE  0x200   /* allowed to change controls */
1.1       ratchov    42: #define MODE_RECMASK   (MODE_REC | MODE_MON)
                     43: #define MODE_AUDIOMASK (MODE_PLAY | MODE_REC | MODE_MON)
                     44: #define MODE_MIDIMASK  (MODE_MIDIIN | MODE_MIDIOUT)
1.5     ! ratchov    45: #define MODE_CTLMASK   (MODE_CTLREAD | MODE_CTLWRITE)
1.1       ratchov    46:
                     47: /*
                     48:  * underrun/overrun policies, must be the same as SIO_ constants
                     49:  */
                     50: #define XRUN_IGNORE    0       /* on xrun silently insert/discard samples */
                     51: #define XRUN_SYNC      1       /* catchup to sync to the mix/sub */
                     52: #define XRUN_ERROR     2       /* xruns are errors, eof/hup buffer */
                     53:
                     54: /*
                     55:  * limits
                     56:  */
1.4       ratchov    57: #define NCHAN_MAX      64              /* max channel in a stream */
1.1       ratchov    58: #define RATE_MIN       4000            /* min sample rate */
                     59: #define RATE_MAX       192000          /* max sample rate */
                     60: #define BITS_MIN       1               /* min bits per sample */
                     61: #define BITS_MAX       32              /* max bits per sample */
                     62:
                     63: #endif /* !defined(DEFS_H) */