]>
Commit | Line | Data |
---|---|---|
1a59d1b8 | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
1da177e4 LT |
2 | /* |
3 | * Main header file for the ALSA sequencer | |
4 | * Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl> | |
c1017a4c | 5 | * (c) 1998-1999 by Jaroslav Kysela <perex@perex.cz> |
1da177e4 LT |
6 | */ |
7 | #ifndef __SOUND_ASEQUENCER_H | |
8 | #define __SOUND_ASEQUENCER_H | |
9 | ||
1da177e4 | 10 | #include <linux/ioctl.h> |
1da177e4 | 11 | #include <sound/asound.h> |
674e95ca | 12 | #include <uapi/sound/asequencer.h> |
c7e0b5bf TI |
13 | |
14 | /* helper macro */ | |
15 | #define snd_seq_event_bounce_ext_data(ev) ((void*)((char *)(ev)->data.ext.ptr + sizeof(struct snd_seq_event_bounce))) | |
1da177e4 LT |
16 | |
17 | /* | |
18 | * type check macros | |
19 | */ | |
20 | /* result events: 0-4 */ | |
c7e0b5bf | 21 | #define snd_seq_ev_is_result_type(ev) ((ev)->type < 5) |
1da177e4 | 22 | /* channel specific events: 5-19 */ |
c7e0b5bf | 23 | #define snd_seq_ev_is_channel_type(ev) ((ev)->type >= 5 && (ev)->type < 20) |
1da177e4 | 24 | /* note events: 5-9 */ |
c7e0b5bf | 25 | #define snd_seq_ev_is_note_type(ev) ((ev)->type >= 5 && (ev)->type < 10) |
1da177e4 | 26 | /* control events: 10-19 */ |
c7e0b5bf | 27 | #define snd_seq_ev_is_control_type(ev) ((ev)->type >= 10 && (ev)->type < 20) |
1da177e4 | 28 | /* queue control events: 30-39 */ |
c7e0b5bf | 29 | #define snd_seq_ev_is_queue_type(ev) ((ev)->type >= 30 && (ev)->type < 40) |
1da177e4 | 30 | /* system status messages */ |
c7e0b5bf | 31 | #define snd_seq_ev_is_message_type(ev) ((ev)->type >= 60 && (ev)->type < 69) |
1da177e4 | 32 | /* sample messages */ |
c7e0b5bf | 33 | #define snd_seq_ev_is_sample_type(ev) ((ev)->type >= 70 && (ev)->type < 79) |
1da177e4 | 34 | /* user-defined messages */ |
c7e0b5bf | 35 | #define snd_seq_ev_is_user_type(ev) ((ev)->type >= 90 && (ev)->type < 99) |
1da177e4 | 36 | /* fixed length events: 0-99 */ |
c7e0b5bf | 37 | #define snd_seq_ev_is_fixed_type(ev) ((ev)->type < 100) |
1da177e4 | 38 | /* variable length events: 130-139 */ |
c7e0b5bf | 39 | #define snd_seq_ev_is_variable_type(ev) ((ev)->type >= 130 && (ev)->type < 140) |
1da177e4 | 40 | /* reserved for kernel */ |
c7e0b5bf | 41 | #define snd_seq_ev_is_reserved(ev) ((ev)->type >= 150) |
1da177e4 LT |
42 | |
43 | /* direct dispatched events */ | |
c7e0b5bf | 44 | #define snd_seq_ev_is_direct(ev) ((ev)->queue == SNDRV_SEQ_QUEUE_DIRECT) |
1da177e4 LT |
45 | |
46 | /* | |
47 | * macros to check event flags | |
48 | */ | |
49 | /* prior events */ | |
c7e0b5bf | 50 | #define snd_seq_ev_is_prior(ev) (((ev)->flags & SNDRV_SEQ_PRIORITY_MASK) == SNDRV_SEQ_PRIORITY_HIGH) |
1da177e4 LT |
51 | |
52 | /* event length type */ | |
c7e0b5bf TI |
53 | #define snd_seq_ev_length_type(ev) ((ev)->flags & SNDRV_SEQ_EVENT_LENGTH_MASK) |
54 | #define snd_seq_ev_is_fixed(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_FIXED) | |
55 | #define snd_seq_ev_is_variable(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARIABLE) | |
56 | #define snd_seq_ev_is_varusr(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARUSR) | |
1da177e4 LT |
57 | |
58 | /* time-stamp type */ | |
c7e0b5bf TI |
59 | #define snd_seq_ev_timestamp_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_STAMP_MASK) |
60 | #define snd_seq_ev_is_tick(ev) (snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_TICK) | |
61 | #define snd_seq_ev_is_real(ev) (snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_REAL) | |
1da177e4 LT |
62 | |
63 | /* time-mode type */ | |
c7e0b5bf TI |
64 | #define snd_seq_ev_timemode_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_MODE_MASK) |
65 | #define snd_seq_ev_is_abstime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_ABS) | |
66 | #define snd_seq_ev_is_reltime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_REL) | |
1da177e4 LT |
67 | |
68 | /* queue sync port */ | |
c7e0b5bf TI |
69 | #define snd_seq_queue_sync_port(q) ((q) + 16) |
70 | ||
1da177e4 | 71 | #endif /* __SOUND_ASEQUENCER_H */ |