mirror of
https://github.com/alsa-project/alsa-lib.git
synced 2025-12-16 08:56:42 -05:00
Takashi Iwai <iwai@ww.uni-erlangen.de>
Frank van de Pol <frank@vande-pol.demon.nl> Major sequencer changes and cleanups for 1.0.0.
This commit is contained in:
Jaroslav Kysela
parent
7b0898c17d
commit
a3aaf0582a
8 changed files with 176 additions and 121 deletions
104
include/seqmid.h
104
include/seqmid.h
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@ -27,7 +27,7 @@ void snd_seq_ev_set_source(snd_seq_event_t *ev, int port);
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void snd_seq_ev_set_direct(snd_seq_event_t *ev);
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/* scheduled on tick-queue */
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void snd_seq_ev_schedule_tick(snd_seq_event_t *ev, int q, int relative,
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unsigned long tick);
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snd_seq_tick_time_t tick);
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/* scheduled on real-time-queue */
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void snd_seq_ev_schedule_real(snd_seq_event_t *ev, int q, int relative,
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snd_seq_real_time_t *real);
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@ -41,7 +41,22 @@ void snd_seq_ev_set_fixed(snd_seq_event_t *ev);
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/* variable size event */
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void snd_seq_ev_set_variable(snd_seq_event_t *ev, int len, void *ptr);
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/* queue controls -
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/* set queue control event data */
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/* destination is overwritten to Timer port (0:0) */
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int snd_seq_ev_set_queue_start(snd_seq_event_t *ev, int q);
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int snd_seq_ev_set_queue_stop(snd_seq_event_t *ev, int q);
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int snd_seq_ev_set_queue_continue(snd_seq_event_t *ev, int q);
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int snd_seq_ev_set_queue_tempo(snd_seq_event_t *ev, int q, int tempo);
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int snd_seq_ev_set_queue_control(snd_seq_event_t *ev, int type, int q, int value);
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int snd_seq_ev_set_queue_pos_real(snd_seq_event_t *ev, int q, snd_seq_real_time_t *rtime);
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int snd_seq_ev_set_queue_pos_tick(snd_seq_event_t *ev, int q, snd_seq_tick_time_t tick);
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/*
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* use/unuse a queue
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*/
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int snd_seq_use_queue(snd_seq_t *seq, int q, int use);
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/* set and send a queue control event:
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* to send at scheduled time, set the schedule in ev.
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* if ev is NULL, event is sent immediately (to output queue).
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* Note: to send actually to driver, you need to call snd_seq_flush_event()
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@ -52,6 +67,7 @@ int snd_seq_start_queue(snd_seq_t *seq, int q, snd_seq_event_t *ev);
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int snd_seq_stop_queue(snd_seq_t *seq, int q, snd_seq_event_t *ev);
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int snd_seq_continue_queue(snd_seq_t *seq, int q, snd_seq_event_t *ev);
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int snd_seq_change_queue_tempo(snd_seq_t *seq, int q, int tempo, snd_seq_event_t *ev);
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int snd_seq_setpos_queue(snd_seq_t *seq, int q, snd_seq_timestamp_t *rtime, snd_seq_event_t *ev);
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/* create a port - simple version - return the port number */
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int snd_seq_create_simple_port(snd_seq_t *seq, char *name,
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@ -87,97 +103,101 @@ int snd_seq_reset_pool_input(snd_seq_t *seq);
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/*
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* equivalent macros
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*/
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#define __snd_seq_ev_clear(ev) memset(ev, 0, sizeof(snd_seq_event_t))
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#define __snd_seq_ev_set_dest(ev,c,p) \
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#define snd_seq_ev_clear(ev) memset(ev, 0, sizeof(snd_seq_event_t))
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#define snd_seq_ev_set_dest(ev,c,p) \
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((ev)->dest.client = (c), (ev)->dest.port = (p))
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#define __snd_seq_ev_set_subs(ev) \
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#define snd_seq_ev_set_subs(ev) \
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((ev)->dest.client = SND_SEQ_ADDRESS_SUBSCRIBERS,\
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(ev)->dest.port = SND_SEQ_ADDRESS_UNKNOWN)
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#define __snd_seq_ev_set_broadcast(ev) \
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#define snd_seq_ev_set_broadcast(ev) \
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((ev)->dest.client = SND_SEQ_ADDRESS_BROADCAST,\
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(ev)->dest.port = SND_SEQ_ADDRESS_BROADCAST)
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#define __snd_seq_ev_set_source(ev,p) ((ev)->source.port = (p))
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#define snd_seq_ev_set_source(ev,p) ((ev)->source.port = (p))
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#define __snd_seq_start_queue(seq,q,ev) \
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/*
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* queue controls
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*/
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#define snd_seq_ev_set_queue_control(ev,t,q,val) \
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((ev)->type = (t),\
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snd_seq_ev_set_dest(ev, SND_SEQ_CLIENT_SYSTEM, SND_SEQ_PORT_SYSTEM_TIMER),\
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(ev)->data.queue.queue = (q),\
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(ev)->data.queue.param.value = (val))
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#define snd_seq_ev_set_queue_start(ev,q) \
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snd_seq_ev_set_queue_control(ev,SND_SEQ_EVENT_START,q,0)
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#define snd_seq_ev_set_queue_stop(ev,q) \
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snd_seq_ev_set_queue_control(ev,SND_SEQ_EVENT_STOP,q,0)
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#define snd_seq_ev_set_queue_continue(ev,q) \
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snd_seq_ev_set_queue_control(ev,SND_SEQ_EVENT_CONTINUE,q,0)
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#define snd_seq_ev_set_queue_tempo(ev,q,val) \
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snd_seq_ev_set_queue_control(ev,SND_SEQ_EVENT_TEMPO,q,val)
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#define snd_seq_ev_set_queue_pos_real(ev,q,rtime) \
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((ev)->type = SND_SEQ_EVENT_SETPOS_TIME,\
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snd_seq_ev_set_dest(ev, SND_SEQ_CLIENT_SYSTEM, SND_SEQ_PORT_SYSTEM_TIMER),\
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(ev)->data.queue.queue = (q),\
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(ev)->data.queue.param.time.real = *(rtime))
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#define snd_seq_ev_set_queue_pos_tick(ev,q,ttime) \
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((ev)->type = SND_SEQ_EVENT_SETPOS_TICK,\
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snd_seq_ev_set_dest(ev, SND_SEQ_CLIENT_SYSTEM, SND_SEQ_PORT_SYSTEM_TIMER),\
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(ev)->data.queue.queue = (q),\
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(ev)->data.queue.param.time.tick = (ttime))
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#define snd_seq_start_queue(seq,q,ev) \
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snd_seq_control_queue(seq, q, SND_SEQ_EVENT_START, 0, ev)
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#define __snd_seq_stop_queue(seq,q,ev) \
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#define snd_seq_stop_queue(seq,q,ev) \
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snd_seq_control_queue(seq, q, SND_SEQ_EVENT_STOP, 0, ev)
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#define __snd_seq_continue_queue(seq,q,ev) \
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#define snd_seq_continue_queue(seq,q,ev) \
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snd_seq_control_queue(seq, q, SND_SEQ_EVENT_CONTINUE, 0, ev)
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#define __snd_seq_change_queue_tempo(seq,q,tempo,ev) \
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#define snd_seq_change_queue_tempo(seq,q,tempo,ev) \
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snd_seq_control_queue(seq, q, SND_SEQ_EVENT_TEMPO, tempo, ev)
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/*
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* redefintion
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*/
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#define snd_seq_ev_clear(ev) __snd_seq_ev_clear(ev)
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#define snd_seq_ev_set_dest(ev,c,p) __snd_seq_ev_set_dest(ev,c,p)
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#define snd_seq_ev_set_subs(ev) __snd_seq_ev_set_subs(ev)
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#define snd_seq_ev_set_broadcast(ev) __snd_seq_ev_set_broadcast(ev)
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#define snd_seq_ev_set_source(ev,p) __snd_seq_ev_set_source(ev,p)
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#define snd_seq_start_queue(seq,q,ev) __snd_seq_start_queue(seq,q,ev)
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#define snd_seq_stop_queue(seq,q,ev) __snd_seq_stop_queue(seq,q,ev)
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#define snd_seq_continue_queue(seq,q,ev) __snd_seq_continue_queue(seq,q,ev)
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#define snd_seq_change_queue_tempo(seq,q,tempo,ev) __snd_seq_change_queue_tempo(seq,q,tempo,ev)
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/*
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* check event flags
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*/
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#define snd_seq_ev_is_direct(ev) ((ev)->flags & SND_SEQ_DEST_MASK)
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#define snd_seq_ev_is_prior(ev) ((ev)->flags & SND_SEQ_PRIORITY_MASK)
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#define snd_seq_ev_is_variable(ev) (((ev)->flags & SND_SEQ_EVENT_LENGTH_MASK) == SND_SEQ_EVENT_LENGTH_VARIABLE)
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#define snd_seq_ev_is_realtime(ev) ((ev)->flags & SND_SEQ_TIME_STAMP_MASK)
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#define snd_seq_ev_is_relative(ev) ((ev)->flags & SND_SEQ_TIME_MODE_MASK)
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/* ... etc. */
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/*
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* macros to set standard event data
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*/
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#define snd_seq_ev_set_note(ev,ch,key,vel,dur) \
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((ev)->type = SND_SEQ_EVENT_NOTE,\
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snd_seq_ev_set_fixed(ev),\
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(ev)->dest.channel = (ch),\
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(ev)->data.note.channel = (ch),\
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(ev)->data.note.note = (key),\
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(ev)->data.note.velocity = (vel),\
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(ev)->data.note.dulation = (dur))
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#define snd_seq_ev_set_noteon(ev,ch,key,vel) \
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((ev)->type = SND_SEQ_EVENT_NOTEON,\
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snd_seq_ev_set_fixed(ev),\
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(ev)->dest.channel = (ch),\
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(ev)->data.note.channel = (ch),\
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(ev)->data.note.note = (key),\
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(ev)->data.note.velocity = (vel))
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#define snd_seq_ev_set_noteoff(ev,ch,key,vel) \
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((ev)->type = SND_SEQ_EVENT_NOTEOFF,\
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snd_seq_ev_set_fixed(ev),\
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(ev)->dest.channel = (ch),\
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(ev)->data.note.channel = (ch),\
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(ev)->data.note.note = (key),\
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(ev)->data.note.velocity = (vel))
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#define snd_seq_ev_set_keypress(ev,ch,key,vel) \
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((ev)->type = SND_SEQ_EVENT_KEYPRESS,\
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snd_seq_ev_set_fixed(ev),\
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(ev)->dest.channel = (ch),\
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(ev)->data.note.channel = (ch),\
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(ev)->data.note.note = (key),\
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(ev)->data.note.velocity = (vel))
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#define snd_seq_ev_set_controller(ev,ch,cc,val) \
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((ev)->type = SND_SEQ_EVENT_CONTROLLER,\
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snd_seq_ev_set_fixed(ev),\
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(ev)->dest.channel = (ch),\
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(ev)->data.control.channel = (ch),\
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(ev)->data.control.param = (cc),\
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(ev)->data.control.value = (val))
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#define snd_seq_ev_set_pgmchange(ev,ch,val) \
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((ev)->type = SND_SEQ_EVENT_PGMCHANGE,\
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snd_seq_ev_set_fixed(ev),\
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(ev)->dest.channel = (ch),\
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(ev)->data.control.channel = (ch),\
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(ev)->data.control.value = (val))
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#define snd_seq_ev_set_pitchbend(ev,ch,val) \
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((ev)->type = SND_SEQ_EVENT_PITCHBEND,\
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snd_seq_ev_set_fixed(ev),\
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(ev)->dest.channel = (ch),\
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(ev)->data.control.channel = (ch),\
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(ev)->data.control.value = (val))
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#define snd_seq_ev_set_chanpress(ev,ch,val) \
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((ev)->type = SND_SEQ_EVENT_CHANPRESS,\
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snd_seq_ev_set_fixed(ev),\
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(ev)->dest.channel = (ch),\
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(ev)->data.control.channel = (ch),\
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(ev)->data.control.value = (val))
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#define snd_seq_ev_set_sysex(ev,datalen,dataptr) \
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((ev)->type = SND_SEQ_EVENT_SYSEX,\
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