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Takashi Iwai <iwai@ww.uni-erlangen.de>

Browse source 
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 1999-12-15 18:34:12 +00:00
parent 7b0898c17d
commit a3aaf0582a
8 changed files with 176 additions and 121 deletions
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61
src/seq/seqmid.c
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@ -35,12 +35,12 @@ void snd_seq_ev_set_direct(snd_seq_event_t *ev)
{
ev->flags &= ~SND_SEQ_DEST_MASK;
ev->flags |= SND_SEQ_DEST_DIRECT;
ev->dest.queue = SND_SEQ_ADDRESS_UNKNOWN; /* XXX */
ev->queue = SND_SEQ_ADDRESS_UNKNOWN; /* XXX */
}
/* queued on tick */
void snd_seq_ev_schedule_tick(snd_seq_event_t *ev, int q, int relative,
unsigned long tick)
snd_seq_tick_time_t tick)
{
ev->flags &= ~(SND_SEQ_DEST_MASK | SND_SEQ_TIME_STAMP_MASK |
SND_SEQ_TIME_MODE_MASK);
@ -85,11 +85,21 @@ void snd_seq_ev_set_variable(snd_seq_event_t *ev, int len, void *ptr)
ev->data.ext.ptr = ptr;
}
/* use or unuse a queue */
int snd_seq_use_queue(snd_seq_t *seq, int q, int use)
{
snd_seq_queue_client_t info;
memset(&info, 0, sizeof(info));
info.used = use;
return snd_seq_set_queue_client(seq, q, &info);
}
/* queue controls - start/stop/continue */
/* if ev is NULL, send events immediately.
otherwise, duplicate the given event data.
destination is overwritten to Timer port (0:0)
*/
otherwise, duplicate the given event data. */
int snd_seq_control_queue(snd_seq_t *seq, int q, int type, int value, snd_seq_event_t *ev)
{
snd_seq_event_t tmpev;
@ -98,22 +108,35 @@ int snd_seq_control_queue(snd_seq_t *seq, int q, int type, int value, snd_seq_ev
ev = &tmpev;
snd_seq_ev_set_direct(ev);
}
ev->type = type;
snd_seq_ev_set_dest(ev, SND_SEQ_CLIENT_SYSTEM, SND_SEQ_PORT_SYSTEM_TIMER);
#if 1
/* new type */
ev->data.queue.addr.queue = q;
ev->data.queue.value = value;
#else
/* old type */
ev->dest.queue = q;
ev->data.control.value = value;
#endif
snd_seq_ev_set_queue_control(ev, type, q, value);
return snd_seq_event_output(seq, ev);
}
/* reset queue position:
* new values of both real-time and tick values must be given.
*/
int snd_seq_setpos_queue(snd_seq_t *seq, int q, snd_seq_timestamp_t *rtime, snd_seq_event_t *ev)
{
snd_seq_event_t tmpev;
int result;
if (ev == NULL) {
snd_seq_ev_clear(&tmpev);
ev = &tmpev;
snd_seq_ev_set_direct(ev);
}
/* stop the timer */
result = snd_seq_stop_queue(seq, q, ev);
/* reset queue position */
snd_seq_ev_set_queue_pos_real(ev, q, &rtime->real);
result = snd_seq_event_output(seq, ev);
snd_seq_ev_set_queue_pos_tick(ev, q, rtime->tick);
result = snd_seq_event_output(seq, ev);
/* continue the timer */
result = snd_seq_continue_queue(seq, q, ev);
return result;
}
/* create a port - simple version
* return the port number
@ -295,7 +318,7 @@ int snd_seq_set_client_pool_input(snd_seq_t *seq, int size)
/*
* reset client input/output pool
* use REMOVE_EVENTS ioctl instead of RESET_POOL
* use REMOVE_EVENTS ioctl
*/
int snd_seq_reset_pool_output(snd_seq_t *seq)
{