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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
72 lines
2.9 KiB
C
72 lines
2.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Main header file for the ALSA sequencer
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* Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl>
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* (c) 1998-1999 by Jaroslav Kysela <perex@perex.cz>
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*/
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#ifndef __SOUND_ASEQUENCER_H
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#define __SOUND_ASEQUENCER_H
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#include <linux/ioctl.h>
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#include <sound/asound.h>
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#include <uapi/sound/asequencer.h>
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/* helper macro */
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#define snd_seq_event_bounce_ext_data(ev) ((void*)((char *)(ev)->data.ext.ptr + sizeof(struct snd_seq_event_bounce)))
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/*
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* type check macros
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*/
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/* result events: 0-4 */
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#define snd_seq_ev_is_result_type(ev) ((ev)->type < 5)
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/* channel specific events: 5-19 */
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#define snd_seq_ev_is_channel_type(ev) ((ev)->type >= 5 && (ev)->type < 20)
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/* note events: 5-9 */
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#define snd_seq_ev_is_note_type(ev) ((ev)->type >= 5 && (ev)->type < 10)
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/* control events: 10-19 */
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#define snd_seq_ev_is_control_type(ev) ((ev)->type >= 10 && (ev)->type < 20)
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/* queue control events: 30-39 */
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#define snd_seq_ev_is_queue_type(ev) ((ev)->type >= 30 && (ev)->type < 40)
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/* system status messages */
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#define snd_seq_ev_is_message_type(ev) ((ev)->type >= 60 && (ev)->type < 69)
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/* sample messages */
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#define snd_seq_ev_is_sample_type(ev) ((ev)->type >= 70 && (ev)->type < 79)
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/* user-defined messages */
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#define snd_seq_ev_is_user_type(ev) ((ev)->type >= 90 && (ev)->type < 99)
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/* fixed length events: 0-99 */
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#define snd_seq_ev_is_fixed_type(ev) ((ev)->type < 100)
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/* variable length events: 130-139 */
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#define snd_seq_ev_is_variable_type(ev) ((ev)->type >= 130 && (ev)->type < 140)
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/* reserved for kernel */
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#define snd_seq_ev_is_reserved(ev) ((ev)->type >= 150)
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/* direct dispatched events */
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#define snd_seq_ev_is_direct(ev) ((ev)->queue == SNDRV_SEQ_QUEUE_DIRECT)
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/*
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* macros to check event flags
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*/
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/* prior events */
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#define snd_seq_ev_is_prior(ev) (((ev)->flags & SNDRV_SEQ_PRIORITY_MASK) == SNDRV_SEQ_PRIORITY_HIGH)
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/* event length type */
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#define snd_seq_ev_length_type(ev) ((ev)->flags & SNDRV_SEQ_EVENT_LENGTH_MASK)
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#define snd_seq_ev_is_fixed(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_FIXED)
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#define snd_seq_ev_is_variable(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARIABLE)
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#define snd_seq_ev_is_varusr(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARUSR)
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/* time-stamp type */
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#define snd_seq_ev_timestamp_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_STAMP_MASK)
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#define snd_seq_ev_is_tick(ev) (snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_TICK)
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#define snd_seq_ev_is_real(ev) (snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_REAL)
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/* time-mode type */
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#define snd_seq_ev_timemode_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_MODE_MASK)
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#define snd_seq_ev_is_abstime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_ABS)
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#define snd_seq_ev_is_reltime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_REL)
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/* queue sync port */
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#define snd_seq_queue_sync_port(q) ((q) + 16)
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#endif /* __SOUND_ASEQUENCER_H */
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