forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
71 lines
2.9 KiB
71 lines
2.9 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
|
/* |
|
* Main header file for the ALSA sequencer |
|
* Copyright (c) 1998-1999 by Frank van de Pol <[email protected]> |
|
* (c) 1998-1999 by Jaroslav Kysela <[email protected]> |
|
*/ |
|
#ifndef __SOUND_ASEQUENCER_H |
|
#define __SOUND_ASEQUENCER_H |
|
|
|
#include <linux/ioctl.h> |
|
#include <sound/asound.h> |
|
#include <uapi/sound/asequencer.h> |
|
|
|
/* helper macro */ |
|
#define snd_seq_event_bounce_ext_data(ev) ((void*)((char *)(ev)->data.ext.ptr + sizeof(struct snd_seq_event_bounce))) |
|
|
|
/* |
|
* type check macros |
|
*/ |
|
/* result events: 0-4 */ |
|
#define snd_seq_ev_is_result_type(ev) ((ev)->type < 5) |
|
/* channel specific events: 5-19 */ |
|
#define snd_seq_ev_is_channel_type(ev) ((ev)->type >= 5 && (ev)->type < 20) |
|
/* note events: 5-9 */ |
|
#define snd_seq_ev_is_note_type(ev) ((ev)->type >= 5 && (ev)->type < 10) |
|
/* control events: 10-19 */ |
|
#define snd_seq_ev_is_control_type(ev) ((ev)->type >= 10 && (ev)->type < 20) |
|
/* queue control events: 30-39 */ |
|
#define snd_seq_ev_is_queue_type(ev) ((ev)->type >= 30 && (ev)->type < 40) |
|
/* system status messages */ |
|
#define snd_seq_ev_is_message_type(ev) ((ev)->type >= 60 && (ev)->type < 69) |
|
/* sample messages */ |
|
#define snd_seq_ev_is_sample_type(ev) ((ev)->type >= 70 && (ev)->type < 79) |
|
/* user-defined messages */ |
|
#define snd_seq_ev_is_user_type(ev) ((ev)->type >= 90 && (ev)->type < 99) |
|
/* fixed length events: 0-99 */ |
|
#define snd_seq_ev_is_fixed_type(ev) ((ev)->type < 100) |
|
/* variable length events: 130-139 */ |
|
#define snd_seq_ev_is_variable_type(ev) ((ev)->type >= 130 && (ev)->type < 140) |
|
/* reserved for kernel */ |
|
#define snd_seq_ev_is_reserved(ev) ((ev)->type >= 150) |
|
|
|
/* direct dispatched events */ |
|
#define snd_seq_ev_is_direct(ev) ((ev)->queue == SNDRV_SEQ_QUEUE_DIRECT) |
|
|
|
/* |
|
* macros to check event flags |
|
*/ |
|
/* prior events */ |
|
#define snd_seq_ev_is_prior(ev) (((ev)->flags & SNDRV_SEQ_PRIORITY_MASK) == SNDRV_SEQ_PRIORITY_HIGH) |
|
|
|
/* event length type */ |
|
#define snd_seq_ev_length_type(ev) ((ev)->flags & SNDRV_SEQ_EVENT_LENGTH_MASK) |
|
#define snd_seq_ev_is_fixed(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_FIXED) |
|
#define snd_seq_ev_is_variable(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARIABLE) |
|
#define snd_seq_ev_is_varusr(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARUSR) |
|
|
|
/* time-stamp type */ |
|
#define snd_seq_ev_timestamp_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_STAMP_MASK) |
|
#define snd_seq_ev_is_tick(ev) (snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_TICK) |
|
#define snd_seq_ev_is_real(ev) (snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_REAL) |
|
|
|
/* time-mode type */ |
|
#define snd_seq_ev_timemode_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_MODE_MASK) |
|
#define snd_seq_ev_is_abstime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_ABS) |
|
#define snd_seq_ev_is_reltime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_REL) |
|
|
|
/* queue sync port */ |
|
#define snd_seq_queue_sync_port(q) ((q) + 16) |
|
|
|
#endif /* __SOUND_ASEQUENCER_H */
|
|
|