lbajardsilogic@0: /* DSSI ALSA compatibility library
lbajardsilogic@0:  *
lbajardsilogic@0:  * This library provides for Mac OS X the ALSA snd_seq_event_t handling
lbajardsilogic@0:  * necessary to compile and run DSSI.  It was extracted from alsa-lib 1.0.8.
lbajardsilogic@0:  */
lbajardsilogic@0: 
lbajardsilogic@0: /**
lbajardsilogic@0:  * \file <alsa/seq.h>
lbajardsilogic@0:  * \brief Application interface library for the ALSA driver
lbajardsilogic@0:  * \author Jaroslav Kysela <perex@suse.cz>
lbajardsilogic@0:  * \author Abramo Bagnara <abramo@alsa-project.org>
lbajardsilogic@0:  * \author Takashi Iwai <tiwai@suse.de>
lbajardsilogic@0:  * \date 1998-2001
lbajardsilogic@0:  */
lbajardsilogic@0: /*
lbajardsilogic@0:  * Application interface library for the ALSA driver
lbajardsilogic@0:  *
lbajardsilogic@0:  *
lbajardsilogic@0:  *   This library is free software; you can redistribute it and/or modify
lbajardsilogic@0:  *   it under the terms of the GNU Lesser General Public License as
lbajardsilogic@0:  *   published by the Free Software Foundation; either version 2.1 of
lbajardsilogic@0:  *   the License, or (at your option) any later version.
lbajardsilogic@0:  *
lbajardsilogic@0:  *   This program is distributed in the hope that it will be useful,
lbajardsilogic@0:  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
lbajardsilogic@0:  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
lbajardsilogic@0:  *   GNU Lesser General Public License for more details.
lbajardsilogic@0:  *
lbajardsilogic@0:  *   You should have received a copy of the GNU Lesser General Public
lbajardsilogic@0:  *   License along with this library; if not, write to the Free Software
lbajardsilogic@0:  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
lbajardsilogic@0:  *
lbajardsilogic@0:  */
lbajardsilogic@0: 
lbajardsilogic@0: #ifndef __ALSA_SEQ_H
lbajardsilogic@0: #define __ALSA_SEQ_H
lbajardsilogic@0: 
lbajardsilogic@0: #ifdef __cplusplus
lbajardsilogic@0: extern "C" {
lbajardsilogic@0: #endif
lbajardsilogic@0: 
lbajardsilogic@0: /**
lbajardsilogic@0:  *  \defgroup SeqEvType Sequencer Event Type Checks
lbajardsilogic@0:  *  Sequencer Event Type Checks
lbajardsilogic@0:  *  \ingroup Sequencer
lbajardsilogic@0:  *  \{
lbajardsilogic@0:  */
lbajardsilogic@0: 
lbajardsilogic@0: /* event type macros */
lbajardsilogic@0: enum {
lbajardsilogic@0: 	SND_SEQ_EVFLG_RESULT,
lbajardsilogic@0: 	SND_SEQ_EVFLG_NOTE,
lbajardsilogic@0: 	SND_SEQ_EVFLG_CONTROL,
lbajardsilogic@0: 	SND_SEQ_EVFLG_QUEUE,
lbajardsilogic@0: 	SND_SEQ_EVFLG_SYSTEM,
lbajardsilogic@0: 	SND_SEQ_EVFLG_MESSAGE,
lbajardsilogic@0: 	SND_SEQ_EVFLG_CONNECTION,
lbajardsilogic@0: 	SND_SEQ_EVFLG_SAMPLE,
lbajardsilogic@0: 	SND_SEQ_EVFLG_USERS,
lbajardsilogic@0: 	SND_SEQ_EVFLG_INSTR,
lbajardsilogic@0: 	SND_SEQ_EVFLG_QUOTE,
lbajardsilogic@0: 	SND_SEQ_EVFLG_NONE,
lbajardsilogic@0: 	SND_SEQ_EVFLG_RAW,
lbajardsilogic@0: 	SND_SEQ_EVFLG_FIXED,
lbajardsilogic@0: 	SND_SEQ_EVFLG_VARIABLE,
lbajardsilogic@0: 	SND_SEQ_EVFLG_VARUSR
lbajardsilogic@0: };
lbajardsilogic@0: 
lbajardsilogic@0: enum {
lbajardsilogic@0: 	SND_SEQ_EVFLG_NOTE_ONEARG,
lbajardsilogic@0: 	SND_SEQ_EVFLG_NOTE_TWOARG
lbajardsilogic@0: };
lbajardsilogic@0: 
lbajardsilogic@0: enum {
lbajardsilogic@0: 	SND_SEQ_EVFLG_QUEUE_NOARG,
lbajardsilogic@0: 	SND_SEQ_EVFLG_QUEUE_TICK,
lbajardsilogic@0: 	SND_SEQ_EVFLG_QUEUE_TIME,
lbajardsilogic@0: 	SND_SEQ_EVFLG_QUEUE_VALUE
lbajardsilogic@0: };
lbajardsilogic@0: 
lbajardsilogic@0: /**
lbajardsilogic@0:  * Exported event type table
lbajardsilogic@0:  *
lbajardsilogic@0:  * This table is referred by snd_seq_ev_is_xxx.
lbajardsilogic@0:  */
lbajardsilogic@0: extern const unsigned int snd_seq_event_types[];
lbajardsilogic@0: 
lbajardsilogic@0: #define _SND_SEQ_TYPE(x)	(1<<(x))	/**< master type - 24bit */
lbajardsilogic@0: #define _SND_SEQ_TYPE_OPT(x)	((x)<<24)	/**< optional type - 8bit */
lbajardsilogic@0: 
lbajardsilogic@0: /** check the event type */
lbajardsilogic@0: #define snd_seq_type_check(ev,x) (snd_seq_event_types[(ev)->type] & _SND_SEQ_TYPE(x))
lbajardsilogic@0: 
lbajardsilogic@0: /** event type check: result events */
lbajardsilogic@0: #define snd_seq_ev_is_result_type(ev) \
lbajardsilogic@0: 	snd_seq_type_check(ev, SND_SEQ_EVFLG_RESULT)
lbajardsilogic@0: /** event type check: note events */
lbajardsilogic@0: #define snd_seq_ev_is_note_type(ev) \
lbajardsilogic@0: 	snd_seq_type_check(ev, SND_SEQ_EVFLG_NOTE)
lbajardsilogic@0: /** event type check: control events */
lbajardsilogic@0: #define snd_seq_ev_is_control_type(ev) \
lbajardsilogic@0: 	snd_seq_type_check(ev, SND_SEQ_EVFLG_CONTROL)
lbajardsilogic@0: /** event type check: channel specific events */
lbajardsilogic@0: #define snd_seq_ev_is_channel_type(ev) \
lbajardsilogic@0: 	(snd_seq_event_types[(ev)->type] & (_SND_SEQ_TYPE(SND_SEQ_EVFLG_NOTE) | _SND_SEQ_TYPE(SND_SEQ_EVFLG_CONTROL)))
lbajardsilogic@0: 
lbajardsilogic@0: /** event type check: queue control events */
lbajardsilogic@0: #define snd_seq_ev_is_queue_type(ev) \
lbajardsilogic@0: 	snd_seq_type_check(ev, SND_SEQ_EVFLG_QUEUE)
lbajardsilogic@0: /** event type check: system status messages */
lbajardsilogic@0: #define snd_seq_ev_is_message_type(ev) \
lbajardsilogic@0: 	snd_seq_type_check(ev, SND_SEQ_EVFLG_MESSAGE)
lbajardsilogic@0: /** event type check: system status messages */
lbajardsilogic@0: #define snd_seq_ev_is_subscribe_type(ev) \
lbajardsilogic@0: 	snd_seq_type_check(ev, SND_SEQ_EVFLG_CONNECTION)
lbajardsilogic@0: /** event type check: sample messages */
lbajardsilogic@0: #define snd_seq_ev_is_sample_type(ev) \
lbajardsilogic@0: 	snd_seq_type_check(ev, SND_SEQ_EVFLG_SAMPLE)
lbajardsilogic@0: /** event type check: user-defined messages */
lbajardsilogic@0: #define snd_seq_ev_is_user_type(ev) \
lbajardsilogic@0: 	snd_seq_type_check(ev, SND_SEQ_EVFLG_USERS)
lbajardsilogic@0: /** event type check: instrument layer events */
lbajardsilogic@0: #define snd_seq_ev_is_instr_type(ev) \
lbajardsilogic@0: 	snd_seq_type_check(ev, SND_SEQ_EVFLG_INSTR)
lbajardsilogic@0: /** event type check: fixed length events */
lbajardsilogic@0: #define snd_seq_ev_is_fixed_type(ev) \
lbajardsilogic@0: 	snd_seq_type_check(ev, SND_SEQ_EVFLG_FIXED)
lbajardsilogic@0: /** event type check: variable length events */
lbajardsilogic@0: #define snd_seq_ev_is_variable_type(ev)	\
lbajardsilogic@0: 	snd_seq_type_check(ev, SND_SEQ_EVFLG_VARIABLE)
lbajardsilogic@0: /** event type check: user pointer events */
lbajardsilogic@0: #define snd_seq_ev_is_varusr_type(ev) \
lbajardsilogic@0: 	snd_seq_type_check(ev, SND_SEQ_EVFLG_VARUSR)
lbajardsilogic@0: /** event type check: reserved for kernel */
lbajardsilogic@0: #define snd_seq_ev_is_reserved(ev) \
lbajardsilogic@0: 	(! snd_seq_event_types[(ev)->type])
lbajardsilogic@0: 
lbajardsilogic@0: /**
lbajardsilogic@0:  * macros to check event flags
lbajardsilogic@0:  */
lbajardsilogic@0: /** prior events */
lbajardsilogic@0: #define snd_seq_ev_is_prior(ev)	\
lbajardsilogic@0: 	(((ev)->flags & SND_SEQ_PRIORITY_MASK) == SND_SEQ_PRIORITY_HIGH)
lbajardsilogic@0: 
lbajardsilogic@0: /** get the data length type */
lbajardsilogic@0: #define snd_seq_ev_length_type(ev) \
lbajardsilogic@0: 	((ev)->flags & SND_SEQ_EVENT_LENGTH_MASK)
lbajardsilogic@0: /** fixed length events */
lbajardsilogic@0: #define snd_seq_ev_is_fixed(ev)	\
lbajardsilogic@0: 	(snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_FIXED)
lbajardsilogic@0: /** variable length events */
lbajardsilogic@0: #define snd_seq_ev_is_variable(ev) \
lbajardsilogic@0: 	(snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_VARIABLE)
lbajardsilogic@0: /** variable length on user-space */
lbajardsilogic@0: #define snd_seq_ev_is_varusr(ev) \
lbajardsilogic@0: 	(snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_VARUSR)
lbajardsilogic@0: 
lbajardsilogic@0: /** time-stamp type */
lbajardsilogic@0: #define snd_seq_ev_timestamp_type(ev) \
lbajardsilogic@0: 	((ev)->flags & SND_SEQ_TIME_STAMP_MASK)
lbajardsilogic@0: /** event is in tick time */
lbajardsilogic@0: #define snd_seq_ev_is_tick(ev) \
lbajardsilogic@0: 	(snd_seq_ev_timestamp_type(ev) == SND_SEQ_TIME_STAMP_TICK)
lbajardsilogic@0: /** event is in real-time */
lbajardsilogic@0: #define snd_seq_ev_is_real(ev) \
lbajardsilogic@0: 	(snd_seq_ev_timestamp_type(ev) == SND_SEQ_TIME_STAMP_REAL)
lbajardsilogic@0: 
lbajardsilogic@0: /** time-mode type */
lbajardsilogic@0: #define snd_seq_ev_timemode_type(ev) \
lbajardsilogic@0: 	((ev)->flags & SND_SEQ_TIME_MODE_MASK)
lbajardsilogic@0: /** scheduled in absolute time */
lbajardsilogic@0: #define snd_seq_ev_is_abstime(ev) \
lbajardsilogic@0: 	(snd_seq_ev_timemode_type(ev) == SND_SEQ_TIME_MODE_ABS)
lbajardsilogic@0: /** scheduled in relative time */
lbajardsilogic@0: #define snd_seq_ev_is_reltime(ev) \
lbajardsilogic@0: 	(snd_seq_ev_timemode_type(ev) == SND_SEQ_TIME_MODE_REL)
lbajardsilogic@0: 
lbajardsilogic@0: /** direct dispatched events */
lbajardsilogic@0: #define snd_seq_ev_is_direct(ev) \
lbajardsilogic@0: 	((ev)->queue == SND_SEQ_QUEUE_DIRECT)
lbajardsilogic@0: 
lbajardsilogic@0: /** \} */
lbajardsilogic@0: 
lbajardsilogic@0: #ifdef __cplusplus
lbajardsilogic@0: }
lbajardsilogic@0: #endif
lbajardsilogic@0: 
lbajardsilogic@0: #endif /* __ALSA_SEQ_H */
lbajardsilogic@0: