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seq.h
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1 
9 /*
10  * Application interface library for the ALSA driver
11  *
12  *
13  * This library is free software; you can redistribute it and/or modify
14  * it under the terms of the GNU Lesser General Public License as
15  * published by the Free Software Foundation; either version 2.1 of
16  * the License, or (at your option) any later version.
17  *
18  * This program is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21  * GNU Lesser General Public License for more details.
22  *
23  * You should have received a copy of the GNU Lesser General Public
24  * License along with this library; if not, write to the Free Software
25  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26  *
27  */
28 
29 #ifndef __ALSA_SEQ_H
30 #define __ALSA_SEQ_H
31 
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35 
44 #define SND_SEQ_DLSYM_VERSION _dlsym_seq_001
45 
47 typedef struct _snd_seq snd_seq_t;
48 
52 #define SND_SEQ_OPEN_OUTPUT 1
53 #define SND_SEQ_OPEN_INPUT 2
54 #define SND_SEQ_OPEN_DUPLEX (SND_SEQ_OPEN_OUTPUT|SND_SEQ_OPEN_INPUT)
59 #define SND_SEQ_NONBLOCK 0x0001
62 typedef enum _snd_seq_type {
67 
69 #define SND_SEQ_ADDRESS_UNKNOWN 253
70 #define SND_SEQ_ADDRESS_SUBSCRIBERS 254
71 #define SND_SEQ_ADDRESS_BROADCAST 255
74 #define SND_SEQ_CLIENT_SYSTEM 0
76 /*
77  */
78 int snd_seq_open(snd_seq_t **handle, const char *name, int streams, int mode);
79 int snd_seq_open_lconf(snd_seq_t **handle, const char *name, int streams, int mode, snd_config_t *lconf);
80 const char *snd_seq_name(snd_seq_t *seq);
82 int snd_seq_close(snd_seq_t *handle);
83 int snd_seq_poll_descriptors_count(snd_seq_t *handle, short events);
84 int snd_seq_poll_descriptors(snd_seq_t *handle, struct pollfd *pfds, unsigned int space, short events);
85 int snd_seq_poll_descriptors_revents(snd_seq_t *seq, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
86 int snd_seq_nonblock(snd_seq_t *handle, int nonblock);
87 int snd_seq_client_id(snd_seq_t *handle);
88 
91 int snd_seq_set_output_buffer_size(snd_seq_t *handle, size_t size);
92 int snd_seq_set_input_buffer_size(snd_seq_t *handle, size_t size);
93 
95 typedef struct _snd_seq_system_info snd_seq_system_info_t;
96 
97 size_t snd_seq_system_info_sizeof(void);
99 #define snd_seq_system_info_alloca(ptr) \
100  __snd_alloca(ptr, snd_seq_system_info)
104 
111 
113 
125 typedef struct _snd_seq_client_info snd_seq_client_info_t;
126 
128 typedef enum snd_seq_client_type {
132 
133 size_t snd_seq_client_info_sizeof(void);
135 #define snd_seq_client_info_alloca(ptr) \
136  __snd_alloca(ptr, snd_seq_client_info)
140 
146 const unsigned char *snd_seq_client_info_get_event_filter(const snd_seq_client_info_t *info);
149 
151 void snd_seq_client_info_set_name(snd_seq_client_info_t *info, const char *name);
154 void snd_seq_client_info_set_event_filter(snd_seq_client_info_t *info, unsigned char *filter);
155 
160 
162 int snd_seq_get_any_client_info(snd_seq_t *handle, int client, snd_seq_client_info_t *info);
165 
166 /*
167  */
168 
170 typedef struct _snd_seq_client_pool snd_seq_client_pool_t;
171 
172 size_t snd_seq_client_pool_sizeof(void);
174 #define snd_seq_client_pool_alloca(ptr) \
175  __snd_alloca(ptr, snd_seq_client_pool)
179 
189 
192 
193 
205 typedef struct _snd_seq_port_info snd_seq_port_info_t;
206 
208 #define SND_SEQ_PORT_SYSTEM_TIMER 0
209 #define SND_SEQ_PORT_SYSTEM_ANNOUNCE 1
212 #define SND_SEQ_PORT_CAP_READ (1<<0)
213 #define SND_SEQ_PORT_CAP_WRITE (1<<1)
215 #define SND_SEQ_PORT_CAP_SYNC_READ (1<<2)
216 #define SND_SEQ_PORT_CAP_SYNC_WRITE (1<<3)
218 #define SND_SEQ_PORT_CAP_DUPLEX (1<<4)
220 #define SND_SEQ_PORT_CAP_SUBS_READ (1<<5)
221 #define SND_SEQ_PORT_CAP_SUBS_WRITE (1<<6)
222 #define SND_SEQ_PORT_CAP_NO_EXPORT (1<<7)
224 /* port type */
225 
226 #define SND_SEQ_PORT_TYPE_SPECIFIC (1<<0)
227 
228 #define SND_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1)
229 
230 #define SND_SEQ_PORT_TYPE_MIDI_GM (1<<2)
231 
232 #define SND_SEQ_PORT_TYPE_MIDI_GS (1<<3)
233 
234 #define SND_SEQ_PORT_TYPE_MIDI_XG (1<<4)
235 
236 #define SND_SEQ_PORT_TYPE_MIDI_MT32 (1<<5)
237 
238 #define SND_SEQ_PORT_TYPE_MIDI_GM2 (1<<6)
239 
241 #define SND_SEQ_PORT_TYPE_SYNTH (1<<10)
242 
244 #define SND_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11)
245 
247 #define SND_SEQ_PORT_TYPE_SAMPLE (1<<12)
248 
249 #define SND_SEQ_PORT_TYPE_HARDWARE (1<<16)
250 
251 #define SND_SEQ_PORT_TYPE_SOFTWARE (1<<17)
252 
253 #define SND_SEQ_PORT_TYPE_SYNTHESIZER (1<<18)
254 
256 #define SND_SEQ_PORT_TYPE_PORT (1<<19)
257 
258 #define SND_SEQ_PORT_TYPE_APPLICATION (1<<20)
259 
260 
261 size_t snd_seq_port_info_sizeof(void);
263 #define snd_seq_port_info_alloca(ptr) \
264  __snd_alloca(ptr, snd_seq_port_info)
268 
272 const char *snd_seq_port_info_get_name(const snd_seq_port_info_t *info);
273 unsigned int snd_seq_port_info_get_capability(const snd_seq_port_info_t *info);
274 unsigned int snd_seq_port_info_get_type(const snd_seq_port_info_t *info);
284 
285 void snd_seq_port_info_set_client(snd_seq_port_info_t *info, int client);
286 void snd_seq_port_info_set_port(snd_seq_port_info_t *info, int port);
288 void snd_seq_port_info_set_name(snd_seq_port_info_t *info, const char *name);
289 void snd_seq_port_info_set_capability(snd_seq_port_info_t *info, unsigned int capability);
290 void snd_seq_port_info_set_type(snd_seq_port_info_t *info, unsigned int type);
298 
300 int snd_seq_delete_port(snd_seq_t *handle, int port);
301 int snd_seq_get_port_info(snd_seq_t *handle, int port, snd_seq_port_info_t *info);
302 int snd_seq_get_any_port_info(snd_seq_t *handle, int client, int port, snd_seq_port_info_t *info);
303 int snd_seq_set_port_info(snd_seq_t *handle, int port, snd_seq_port_info_t *info);
305 
317 typedef struct _snd_seq_port_subscribe snd_seq_port_subscribe_t;
318 
319 size_t snd_seq_port_subscribe_sizeof(void);
321 #define snd_seq_port_subscribe_alloca(ptr) \
322  __snd_alloca(ptr, snd_seq_port_subscribe)
326 
333 
340 
344 
345 /*
346  */
347 
349 typedef struct _snd_seq_query_subscribe snd_seq_query_subscribe_t;
350 
352 typedef enum {
356 
357 size_t snd_seq_query_subscribe_sizeof(void);
359 #define snd_seq_query_subscribe_alloca(ptr) \
360  __snd_alloca(ptr, snd_seq_query_subscribe)
364 
376 
382 
384 
396 typedef struct _snd_seq_queue_info snd_seq_queue_info_t;
398 typedef struct _snd_seq_queue_status snd_seq_queue_status_t;
400 typedef struct _snd_seq_queue_tempo snd_seq_queue_tempo_t;
402 typedef struct _snd_seq_queue_timer snd_seq_queue_timer_t;
403 
405 #define SND_SEQ_QUEUE_DIRECT 253
407 size_t snd_seq_queue_info_sizeof(void);
408 
409 #define snd_seq_queue_info_alloca(ptr) \
410  __snd_alloca(ptr, snd_seq_queue_info)
414 
416 const char *snd_seq_queue_info_get_name(const snd_seq_queue_info_t *info);
419 unsigned int snd_seq_queue_info_get_flags(const snd_seq_queue_info_t *info);
420 
421 void snd_seq_queue_info_set_name(snd_seq_queue_info_t *info, const char *name);
424 void snd_seq_queue_info_set_flags(snd_seq_queue_info_t *info, unsigned int flags);
425 
427 int snd_seq_alloc_named_queue(snd_seq_t *seq, const char *name);
428 int snd_seq_alloc_queue(snd_seq_t *handle);
429 int snd_seq_free_queue(snd_seq_t *handle, int q);
432 int snd_seq_query_named_queue(snd_seq_t *seq, const char *name);
433 
434 int snd_seq_get_queue_usage(snd_seq_t *handle, int q);
435 int snd_seq_set_queue_usage(snd_seq_t *handle, int q, int used);
436 
437 /*
438  */
439 size_t snd_seq_queue_status_sizeof(void);
441 #define snd_seq_queue_status_alloca(ptr) \
442  __snd_alloca(ptr, snd_seq_queue_status)
446 
452 
453 int snd_seq_get_queue_status(snd_seq_t *handle, int q, snd_seq_queue_status_t *status);
454 
455 /*
456  */
457 size_t snd_seq_queue_tempo_sizeof(void);
459 #define snd_seq_queue_tempo_alloca(ptr) \
460  __snd_alloca(ptr, snd_seq_queue_tempo)
464 
466 unsigned int snd_seq_queue_tempo_get_tempo(const snd_seq_queue_tempo_t *info);
468 unsigned int snd_seq_queue_tempo_get_skew(const snd_seq_queue_tempo_t *info);
470 void snd_seq_queue_tempo_set_tempo(snd_seq_queue_tempo_t *info, unsigned int tempo);
472 void snd_seq_queue_tempo_set_skew(snd_seq_queue_tempo_t *info, unsigned int skew);
473 void snd_seq_queue_tempo_set_skew_base(snd_seq_queue_tempo_t *info, unsigned int base);
474 
475 int snd_seq_get_queue_tempo(snd_seq_t *handle, int q, snd_seq_queue_tempo_t *tempo);
476 int snd_seq_set_queue_tempo(snd_seq_t *handle, int q, snd_seq_queue_tempo_t *tempo);
477 
478 /*
479  */
480 
482 typedef enum {
483  SND_SEQ_TIMER_ALSA = 0, /* ALSA timer */
484  SND_SEQ_TIMER_MIDI_CLOCK = 1, /* Midi Clock (CLOCK event) */
485  SND_SEQ_TIMER_MIDI_TICK = 2 /* Midi Timer Tick (TICK event */
487 
488 size_t snd_seq_queue_timer_sizeof(void);
490 #define snd_seq_queue_timer_alloca(ptr) \
491  __snd_alloca(ptr, snd_seq_queue_timer)
495 
500 
503 void snd_seq_queue_timer_set_resolution(snd_seq_queue_timer_t *info, unsigned int resolution);
504 
505 int snd_seq_get_queue_timer(snd_seq_t *handle, int q, snd_seq_queue_timer_t *timer);
506 int snd_seq_set_queue_timer(snd_seq_t *handle, int q, snd_seq_queue_timer_t *timer);
507 
523 int snd_seq_event_input_pending(snd_seq_t *seq, int fetch_sequencer);
524 int snd_seq_drain_output(snd_seq_t *handle);
527 int snd_seq_drop_output(snd_seq_t *handle);
529 int snd_seq_drop_input(snd_seq_t *handle);
531 
533 typedef struct _snd_seq_remove_events snd_seq_remove_events_t;
534 
536 #define SND_SEQ_REMOVE_INPUT (1<<0)
537 #define SND_SEQ_REMOVE_OUTPUT (1<<1)
538 #define SND_SEQ_REMOVE_DEST (1<<2)
539 #define SND_SEQ_REMOVE_DEST_CHANNEL (1<<3)
540 #define SND_SEQ_REMOVE_TIME_BEFORE (1<<4)
541 #define SND_SEQ_REMOVE_TIME_AFTER (1<<5)
542 #define SND_SEQ_REMOVE_TIME_TICK (1<<6)
543 #define SND_SEQ_REMOVE_EVENT_TYPE (1<<7)
544 #define SND_SEQ_REMOVE_IGNORE_OFF (1<<8)
545 #define SND_SEQ_REMOVE_TAG_MATCH (1<<9)
547 size_t snd_seq_remove_events_sizeof(void);
548 
549 #define snd_seq_remove_events_alloca(ptr) \
550  __snd_alloca(ptr, snd_seq_remove_events)
554 
562 
563 void snd_seq_remove_events_set_condition(snd_seq_remove_events_t *info, unsigned int flags);
570 
572 
582 void snd_seq_set_bit(int nr, void *array);
583 void snd_seq_unset_bit(int nr, void *array);
584 int snd_seq_change_bit(int nr, void *array);
585 int snd_seq_get_bit(int nr, void *array);
586 
597 /* event type macros */
598 enum {
599  SND_SEQ_EVFLG_RESULT,
600  SND_SEQ_EVFLG_NOTE,
601  SND_SEQ_EVFLG_CONTROL,
602  SND_SEQ_EVFLG_QUEUE,
603  SND_SEQ_EVFLG_SYSTEM,
604  SND_SEQ_EVFLG_MESSAGE,
605  SND_SEQ_EVFLG_CONNECTION,
606  SND_SEQ_EVFLG_SAMPLE,
607  SND_SEQ_EVFLG_USERS,
608  SND_SEQ_EVFLG_INSTR,
609  SND_SEQ_EVFLG_QUOTE,
610  SND_SEQ_EVFLG_NONE,
611  SND_SEQ_EVFLG_RAW,
612  SND_SEQ_EVFLG_FIXED,
613  SND_SEQ_EVFLG_VARIABLE,
614  SND_SEQ_EVFLG_VARUSR
615 };
616 
617 enum {
618  SND_SEQ_EVFLG_NOTE_ONEARG,
619  SND_SEQ_EVFLG_NOTE_TWOARG
620 };
621 
622 enum {
623  SND_SEQ_EVFLG_QUEUE_NOARG,
624  SND_SEQ_EVFLG_QUEUE_TICK,
625  SND_SEQ_EVFLG_QUEUE_TIME,
626  SND_SEQ_EVFLG_QUEUE_VALUE
627 };
628 
634 extern const unsigned int snd_seq_event_types[];
635 
636 #define _SND_SEQ_TYPE(x) (1<<(x))
637 #define _SND_SEQ_TYPE_OPT(x) ((x)<<24)
640 #define snd_seq_type_check(ev,x) (snd_seq_event_types[(ev)->type] & _SND_SEQ_TYPE(x))
641 
643 #define snd_seq_ev_is_result_type(ev) \
644  snd_seq_type_check(ev, SND_SEQ_EVFLG_RESULT)
645 
646 #define snd_seq_ev_is_note_type(ev) \
647  snd_seq_type_check(ev, SND_SEQ_EVFLG_NOTE)
648 
649 #define snd_seq_ev_is_control_type(ev) \
650  snd_seq_type_check(ev, SND_SEQ_EVFLG_CONTROL)
651 
652 #define snd_seq_ev_is_channel_type(ev) \
653  (snd_seq_event_types[(ev)->type] & (_SND_SEQ_TYPE(SND_SEQ_EVFLG_NOTE) | _SND_SEQ_TYPE(SND_SEQ_EVFLG_CONTROL)))
654 
656 #define snd_seq_ev_is_queue_type(ev) \
657  snd_seq_type_check(ev, SND_SEQ_EVFLG_QUEUE)
658 
659 #define snd_seq_ev_is_message_type(ev) \
660  snd_seq_type_check(ev, SND_SEQ_EVFLG_MESSAGE)
661 
662 #define snd_seq_ev_is_subscribe_type(ev) \
663  snd_seq_type_check(ev, SND_SEQ_EVFLG_CONNECTION)
664 
665 #define snd_seq_ev_is_sample_type(ev) \
666  snd_seq_type_check(ev, SND_SEQ_EVFLG_SAMPLE)
667 
668 #define snd_seq_ev_is_user_type(ev) \
669  snd_seq_type_check(ev, SND_SEQ_EVFLG_USERS)
670 
671 #define snd_seq_ev_is_instr_type(ev) \
672  snd_seq_type_check(ev, SND_SEQ_EVFLG_INSTR)
673 
674 #define snd_seq_ev_is_fixed_type(ev) \
675  snd_seq_type_check(ev, SND_SEQ_EVFLG_FIXED)
676 
677 #define snd_seq_ev_is_variable_type(ev) \
678  snd_seq_type_check(ev, SND_SEQ_EVFLG_VARIABLE)
679 
680 #define snd_seq_ev_is_varusr_type(ev) \
681  snd_seq_type_check(ev, SND_SEQ_EVFLG_VARUSR)
682 
683 #define snd_seq_ev_is_reserved(ev) \
684  (! snd_seq_event_types[(ev)->type])
685 
690 #define snd_seq_ev_is_prior(ev) \
691  (((ev)->flags & SND_SEQ_PRIORITY_MASK) == SND_SEQ_PRIORITY_HIGH)
692 
694 #define snd_seq_ev_length_type(ev) \
695  ((ev)->flags & SND_SEQ_EVENT_LENGTH_MASK)
696 
697 #define snd_seq_ev_is_fixed(ev) \
698  (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_FIXED)
699 
700 #define snd_seq_ev_is_variable(ev) \
701  (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_VARIABLE)
702 
703 #define snd_seq_ev_is_varusr(ev) \
704  (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_VARUSR)
705 
707 #define snd_seq_ev_timestamp_type(ev) \
708  ((ev)->flags & SND_SEQ_TIME_STAMP_MASK)
709 
710 #define snd_seq_ev_is_tick(ev) \
711  (snd_seq_ev_timestamp_type(ev) == SND_SEQ_TIME_STAMP_TICK)
712 
713 #define snd_seq_ev_is_real(ev) \
714  (snd_seq_ev_timestamp_type(ev) == SND_SEQ_TIME_STAMP_REAL)
715 
717 #define snd_seq_ev_timemode_type(ev) \
718  ((ev)->flags & SND_SEQ_TIME_MODE_MASK)
719 
720 #define snd_seq_ev_is_abstime(ev) \
721  (snd_seq_ev_timemode_type(ev) == SND_SEQ_TIME_MODE_ABS)
722 
723 #define snd_seq_ev_is_reltime(ev) \
724  (snd_seq_ev_timemode_type(ev) == SND_SEQ_TIME_MODE_REL)
725 
727 #define snd_seq_ev_is_direct(ev) \
728  ((ev)->queue == SND_SEQ_QUEUE_DIRECT)
729 
732 #ifdef __cplusplus
733 }
734 #endif
735 
736 #endif /* __ALSA_SEQ_H */
737 
void snd_seq_remove_events_set_event_type(snd_seq_remove_events_t *info, int type)
Set the event type as removal condition.
Definition: seq.c:4419
int snd_seq_port_info_get_midi_voices(const snd_seq_port_info_t *info)
Get the midi voices of a port_info container.
Definition: seq.c:1990
int snd_seq_get_queue_info(snd_seq_t *seq, int q, snd_seq_queue_info_t *info)
obtain queue attributes
Definition: seq.c:3174
const char * snd_seq_port_info_get_name(const snd_seq_port_info_t *info)
Get the name of a port_info container.
Definition: seq.c:1912
int snd_seq_set_queue_tempo(snd_seq_t *handle, int q, snd_seq_queue_tempo_t *tempo)
set the tempo of the queue
Definition: seq.c:3579
void snd_seq_queue_info_copy(snd_seq_queue_info_t *dst, const snd_seq_queue_info_t *src)
copy one snd_seq_queue_info_t to another
Definition: seq.c:2973
int snd_seq_queue_info_get_owner(const snd_seq_queue_info_t *info)
Get the owner client id of a queue_info container.
Definition: seq.c:3013
unsigned int snd_seq_queue_tempo_get_skew(const snd_seq_queue_tempo_t *info)
Get the timer skew value of a queue_status container.
Definition: seq.c:3479
void snd_seq_client_info_event_filter_del(snd_seq_client_info_t *info, int event_type)
Remove an event type from the event filtering of a client_info container.
Definition: seq.c:1601
Definition: seq_event.h:191
int snd_seq_port_info_get_port_specified(const snd_seq_port_info_t *info)
Get the port-specified mode of a port_info container.
Definition: seq.c:2016
int snd_seq_remove_events_get_queue(const snd_seq_remove_events_t *info)
Get the queue as removal condition.
Definition: seq.c:4276
int snd_seq_port_info_get_midi_channels(const snd_seq_port_info_t *info)
Get the midi channels of a port_info container.
Definition: seq.c:1977
const snd_seq_addr_t * snd_seq_port_subscribe_get_sender(const snd_seq_port_subscribe_t *info)
Get sender address of a port_subscribe container.
Definition: seq.c:2444
void snd_seq_port_info_set_timestamp_queue(snd_seq_port_info_t *info, int queue)
Set the queue id for timestamping.
Definition: seq.c:2233
const snd_timer_id_t * snd_seq_queue_timer_get_id(const snd_seq_queue_timer_t *info)
Get the timer id of a queue_timer container.
Definition: seq.c:3666
void snd_seq_client_pool_copy(snd_seq_client_pool_t *dst, const snd_seq_client_pool_t *src)
copy one snd_seq_client_pool_t to another
Definition: seq.c:4609
struct _snd_timer_id snd_timer_id_t
Definition: timer.h:47
void snd_seq_port_subscribe_set_exclusive(snd_seq_port_subscribe_t *info, int val)
Set the exclusive mode of a port_subscribe container.
Definition: seq.c:2560
void snd_seq_client_info_set_error_bounce(snd_seq_client_info_t *info, int val)
Set the error-bounce usage of a client_info container.
Definition: seq.c:1703
void snd_seq_port_info_set_midi_voices(snd_seq_port_info_t *info, int voices)
set the midi voices of a port_info container
Definition: seq.c:2159
int snd_seq_unsubscribe_port(snd_seq_t *handle, snd_seq_port_subscribe_t *sub)
unsubscribe a connection between ports
Definition: seq.c:2645
unsigned int snd_seq_queue_tempo_get_tempo(const snd_seq_queue_tempo_t *info)
Get the tempo of a queue_status container.
Definition: seq.c:3453
int snd_seq_get_bit(int nr, void *array)
get a bit flag state
Definition: seq.c:4780
void snd_seq_remove_events_set_queue(snd_seq_remove_events_t *info, int queue)
Set the queue as removal condition.
Definition: seq.c:4367
snd_seq_queue_timer_type_t
Definition: seq.h:482
void snd_seq_remove_events_free(snd_seq_remove_events_t *ptr)
frees a previously allocated snd_seq_remove_events_t
Definition: seq.c:4239
int snd_seq_system_info(snd_seq_t *handle, snd_seq_system_info_t *info)
obtain the sequencer system information
Definition: seq.c:1403
void snd_seq_queue_tempo_copy(snd_seq_queue_tempo_t *dst, const snd_seq_queue_tempo_t *src)
copy one snd_seq_queue_tempo_t to another
Definition: seq.c:3426
void snd_seq_queue_tempo_set_tempo(snd_seq_queue_tempo_t *info, unsigned int tempo)
Set the tempo of a queue_status container.
Definition: seq.c:3505
void snd_seq_queue_timer_free(snd_seq_queue_timer_t *ptr)
frees a previously allocated snd_seq_queue_timer_t
Definition: seq.c:3616
unsigned int snd_seq_remove_events_get_condition(const snd_seq_remove_events_t *info)
Get the removal condition bits.
Definition: seq.c:4263
void snd_seq_query_subscribe_copy(snd_seq_query_subscribe_t *dst, const snd_seq_query_subscribe_t *src)
copy one snd_seq_query_subscribe_t to another
Definition: seq.c:2689
void snd_seq_client_info_copy(snd_seq_client_info_t *dst, const snd_seq_client_info_t *src)
copy one snd_seq_client_info_t to another
Definition: seq.c:1449
snd_seq_query_subs_type_t
Definition: seq.h:352
void snd_seq_client_info_set_client(snd_seq_client_info_t *info, int client)
Set the client id of a client_info container.
Definition: seq.c:1660
int snd_seq_subscribe_port(snd_seq_t *handle, snd_seq_port_subscribe_t *sub)
subscribe a port connection
Definition: seq.c:2628
int snd_seq_set_queue_usage(snd_seq_t *handle, int q, int used)
Set the queue usage flag to the client.
Definition: seq.c:3250
snd_seq_query_subs_type_t snd_seq_query_subscribe_get_type(const snd_seq_query_subscribe_t *info)
Get the query type of a query_subscribe container.
Definition: seq.c:2742
int snd_seq_query_subscribe_get_index(const snd_seq_query_subscribe_t *info)
Get the index of subscriber of a query_subscribe container.
Definition: seq.c:2755
void snd_seq_queue_status_copy(snd_seq_queue_status_t *dst, const snd_seq_queue_status_t *src)
copy one snd_seq_queue_status_t to another
Definition: seq.c:3299
void snd_seq_query_subscribe_set_type(snd_seq_query_subscribe_t *info, snd_seq_query_subs_type_t type)
Set the query type of a query_subscribe container.
Definition: seq.c:2885
unsigned int snd_seq_tick_time_t
Definition: seq_event.h:197
Definition: seq.h:65
int snd_seq_open(snd_seq_t **handle, const char *name, int streams, int mode)
Open the ALSA sequencer.
Definition: seq.c:974
int snd_seq_port_info_malloc(snd_seq_port_info_t **ptr)
allocate an empty snd_seq_port_info_t using standard malloc
Definition: seq.c:1836
int snd_seq_queue_status_get_queue(const snd_seq_queue_status_t *info)
Get the queue id of a queue_status container.
Definition: seq.c:3313
int snd_seq_set_port_info(snd_seq_t *handle, int port, snd_seq_port_info_t *info)
set the information of a port on the current client
Definition: seq.c:2355
int snd_seq_drop_input(snd_seq_t *handle)
clear input buffer and and remove events in sequencer queue
Definition: seq.c:4200
void snd_seq_client_pool_set_output_pool(snd_seq_client_pool_t *info, size_t size)
Set the output pool size of a queue_info container.
Definition: seq.c:4687
snd_seq_client_type_t snd_seq_client_info_get_type(const snd_seq_client_info_t *info)
Get client type of a client_info container.
Definition: seq.c:1479
int snd_seq_get_queue_usage(snd_seq_t *handle, int q)
Get the queue usage flag to the client.
Definition: seq.c:3228
const snd_seq_real_time_t * snd_seq_queue_status_get_real_time(const snd_seq_queue_status_t *info)
Get the real time of a queue_status container.
Definition: seq.c:3351
void snd_seq_queue_tempo_set_skew(snd_seq_queue_tempo_t *info, unsigned int skew)
Set the timer skew value of a queue_status container.
Definition: seq.c:3534
int snd_seq_event_output_direct(snd_seq_t *handle, snd_seq_event_t *ev)
output an event directly to the sequencer NOT through output buffer
Definition: seq.c:3910
int snd_seq_set_client_info(snd_seq_t *handle, snd_seq_client_info_t *info)
set the current client information
Definition: seq.c:1786
void snd_seq_port_subscribe_copy(snd_seq_port_subscribe_t *dst, const snd_seq_port_subscribe_t *src)
copy one snd_seq_port_subscribe_t to another
Definition: seq.c:2431
int snd_seq_change_bit(int nr, void *array)
change a bit flag
Definition: seq.c:4768
int snd_seq_query_subscribe_get_queue(const snd_seq_query_subscribe_t *info)
Get the queue id of subscriber of a query_subscribe container.
Definition: seq.c:2794
void snd_seq_query_subscribe_set_root(snd_seq_query_subscribe_t *info, const snd_seq_addr_t *addr)
Set the client/port address of a query_subscribe container.
Definition: seq.c:2872
void snd_seq_queue_info_set_locked(snd_seq_queue_info_t *info, int locked)
Set the lock status of a queue_info container.
Definition: seq.c:3078
void snd_seq_system_info_free(snd_seq_system_info_t *ptr)
Frees a previously allocated snd_seq_system_info_t.
Definition: seq.c:1298
int snd_seq_queue_timer_malloc(snd_seq_queue_timer_t **ptr)
allocate an empty snd_seq_queue_timer_t using standard malloc
Definition: seq.c:3603
size_t snd_seq_client_pool_sizeof(void)
get size of snd_seq_client_pool_t
Definition: seq.c:4576
int snd_seq_port_info_get_client(const snd_seq_port_info_t *info)
Get client id of a port_info container.
Definition: seq.c:1873
void snd_seq_system_info_copy(snd_seq_system_info_t *dst, const snd_seq_system_info_t *src)
Copy one snd_seq_system_info_t to another.
Definition: seq.c:1308
int snd_seq_query_port_subscribers(snd_seq_t *seq, snd_seq_query_subscribe_t *subs)
query port subscriber list
Definition: seq.c:2924
int snd_seq_event_output_pending(snd_seq_t *seq)
return the size of pending events on output buffer
Definition: seq.c:3937
int snd_seq_query_subscribe_get_client(const snd_seq_query_subscribe_t *info)
Get the client id of a query_subscribe container.
Definition: seq.c:2703
int snd_seq_port_info_get_write_use(const snd_seq_port_info_t *info)
Get the number of write subscriptions of a port_info container.
Definition: seq.c:1964
int snd_seq_query_subscribe_get_time_update(const snd_seq_query_subscribe_t *info)
Get the time-update mode of a query_subscribe container.
Definition: seq.c:2820
int snd_seq_client_info_get_error_bounce(const snd_seq_client_info_t *info)
Get the error-bounce usage of a client_info container.
Definition: seq.c:1518
int snd_seq_port_info_get_port(const snd_seq_port_info_t *info)
Get port id of a port_info container.
Definition: seq.c:1886
int snd_seq_set_input_buffer_size(snd_seq_t *handle, size_t size)
Resize the input buffer.
Definition: seq.c:1252
int snd_seq_queue_timer_get_queue(const snd_seq_queue_timer_t *info)
Get the queue id of a queue_timer container.
Definition: seq.c:3640
int snd_seq_query_subscribe_get_exclusive(const snd_seq_query_subscribe_t *info)
Get the exclusive mode of a query_subscribe container.
Definition: seq.c:2807
void snd_seq_queue_tempo_set_ppq(snd_seq_queue_tempo_t *info, int ppq)
Set the ppq of a queue_status container.
Definition: seq.c:3518
Definition: seq.h:129
unsigned int snd_seq_queue_status_get_status(const snd_seq_queue_status_t *info)
Get the running status bits of a queue_status container.
Definition: seq.c:3364
int snd_seq_create_port(snd_seq_t *handle, snd_seq_port_info_t *info)
create a sequencer port on the current client
Definition: seq.c:2285
size_t snd_seq_queue_timer_sizeof(void)
get size of snd_seq_queue_timer_t
Definition: seq.c:3593
void snd_seq_queue_timer_set_type(snd_seq_queue_timer_t *info, snd_seq_queue_timer_type_t type)
Set the timer type of a queue_timer container.
Definition: seq.c:3692
size_t snd_seq_queue_tempo_sizeof(void)
get size of snd_seq_queue_tempo_t
Definition: seq.c:3393
void snd_seq_port_subscribe_set_time_real(snd_seq_port_subscribe_t *info, int val)
Set the real-time mode of a port_subscribe container.
Definition: seq.c:2592
const snd_seq_addr_t * snd_seq_port_subscribe_get_dest(const snd_seq_port_subscribe_t *info)
Get destination address of a port_subscribe container.
Definition: seq.c:2456
size_t snd_seq_client_info_sizeof(void)
get size of snd_seq_client_info_t
Definition: seq.c:1416
void snd_seq_queue_status_free(snd_seq_queue_status_t *ptr)
frees a previously allocated snd_seq_queue_status_t
Definition: seq.c:3289
const char * snd_seq_client_info_get_name(snd_seq_client_info_t *info)
Get the name of a client_info container.
Definition: seq.c:1492
int snd_seq_query_named_queue(snd_seq_t *seq, const char *name)
query the matching queue with the specified name
Definition: seq.c:3207
ssize_t snd_seq_event_length(snd_seq_event_t *ev)
calculates the (encoded) byte-stream size of the event
Definition: seq.c:3797
int snd_seq_open_lconf(snd_seq_t **handle, const char *name, int streams, int mode, snd_config_t *lconf)
Open the ALSA sequencer using local configuration.
Definition: seq.c:1000
void snd_seq_client_pool_set_output_room(snd_seq_client_pool_t *info, size_t size)
Set the output room size of a queue_info container.
Definition: seq.c:4709
Definition: seq.h:64
unsigned int snd_seq_queue_tempo_get_skew_base(const snd_seq_queue_tempo_t *info)
Get the timer skew base value of a queue_status container.
Definition: seq.c:3492
void snd_seq_port_subscribe_set_time_update(snd_seq_port_subscribe_t *info, int val)
Set the time-update mode of a port_subscribe container.
Definition: seq.c:2576
int snd_seq_set_queue_timer(snd_seq_t *handle, int q, snd_seq_queue_timer_t *timer)
set the queue timer information
Definition: seq.c:3751
void snd_seq_port_info_copy(snd_seq_port_info_t *dst, const snd_seq_port_info_t *src)
copy one snd_seq_port_info_t to another
Definition: seq.c:1859
Definition: seq.h:353
size_t snd_seq_client_pool_get_output_room(const snd_seq_client_pool_t *info)
Get the output room size of a queue_info container.
Definition: seq.c:4654
const snd_seq_addr_t * snd_seq_query_subscribe_get_root(const snd_seq_query_subscribe_t *info)
Get the client/port address of a query_subscribe container.
Definition: seq.c:2729
const char * snd_seq_name(snd_seq_t *seq)
get identifier of sequencer handle
Definition: seq.c:800
void snd_seq_queue_tempo_set_skew_base(snd_seq_queue_tempo_t *info, unsigned int base)
Set the timer skew base value of a queue_status container.
Definition: seq.c:3547
struct _snd_seq_queue_timer snd_seq_queue_timer_t
Definition: seq.h:402
int snd_seq_port_info_get_timestamp_queue(const snd_seq_port_info_t *info)
Get the queue id to update timestamps.
Definition: seq.c:2055
void snd_seq_port_info_set_timestamp_real(snd_seq_port_info_t *info, int realtime)
Set whether the timestime is updated in the real-time mode.
Definition: seq.c:2217
int snd_seq_client_info_get_num_ports(const snd_seq_client_info_t *info)
Get the number of opened ports of a client_info container.
Definition: seq.c:1634
int snd_seq_remove_events_get_channel(const snd_seq_remove_events_t *info)
Get the event channel as removal condition.
Definition: seq.c:4315
int snd_seq_queue_status_get_events(const snd_seq_queue_status_t *info)
Get the number of events of a queue_status container.
Definition: seq.c:3326
const unsigned int snd_seq_event_types[]
Definition: seq_event.c:15
snd_seq_client_type_t
Definition: seq.h:128
const snd_seq_timestamp_t * snd_seq_remove_events_get_time(const snd_seq_remove_events_t *info)
Get the event timestamp as removal condition.
Definition: seq.c:4289
void snd_seq_port_info_set_name(snd_seq_port_info_t *info, const char *name)
Set the name of a port_info container.
Definition: seq.c:2107
int snd_seq_remove_events_malloc(snd_seq_remove_events_t **ptr)
allocate an empty snd_seq_remove_events_t using standard malloc
Definition: seq.c:4226
int snd_seq_get_port_subscription(snd_seq_t *handle, snd_seq_port_subscribe_t *sub)
obtain subscription information
Definition: seq.c:2610
int snd_seq_extract_output(snd_seq_t *handle, snd_seq_event_t **ev)
extract the first event in output buffer
Definition: seq.c:3987
int snd_seq_system_info_get_channels(const snd_seq_system_info_t *info)
Get maximum number of channels.
Definition: seq.c:1361
void snd_seq_queue_timer_set_resolution(snd_seq_queue_timer_t *info, unsigned int resolution)
Set the timer resolution of a queue_timer container.
Definition: seq.c:3718
int snd_seq_system_info_get_queues(const snd_seq_system_info_t *info)
Get maximum number of queues.
Definition: seq.c:1322
const snd_seq_addr_t * snd_seq_remove_events_get_dest(const snd_seq_remove_events_t *info)
Get the event destination address as removal condition.
Definition: seq.c:4302
int snd_seq_port_subscribe_get_queue(const snd_seq_port_subscribe_t *info)
Get the queue id of a port_subscribe container.
Definition: seq.c:2469
int snd_seq_port_info_get_timestamp_real(const snd_seq_port_info_t *info)
Get whether the time-stamping of the given port is real-time mode.
Definition: seq.c:2042
void snd_seq_port_info_set_port(snd_seq_port_info_t *info, int port)
Set the port id of a port_info container.
Definition: seq.c:2081
int snd_seq_query_next_client(snd_seq_t *handle, snd_seq_client_info_t *info)
query the next client
Definition: seq.c:1808
int snd_seq_client_pool_get_client(const snd_seq_client_pool_t *info)
Get the client id of a queue_info container.
Definition: seq.c:4621
int snd_seq_port_subscribe_get_exclusive(const snd_seq_port_subscribe_t *info)
Get the exclusive mode of a port_subscribe container.
Definition: seq.c:2482
int snd_seq_queue_info_malloc(snd_seq_queue_info_t **ptr)
allocate an empty snd_seq_queue_info_t using standard malloc
Definition: seq.c:2950
int snd_seq_set_queue_info(snd_seq_t *seq, int q, snd_seq_queue_info_t *info)
change the queue attributes
Definition: seq.c:3190
int snd_seq_set_client_pool(snd_seq_t *handle, snd_seq_client_pool_t *info)
set the pool information
Definition: seq.c:4736
void snd_seq_port_info_set_client(snd_seq_port_info_t *info, int client)
Set the client id of a port_info container.
Definition: seq.c:2068
size_t snd_seq_client_pool_get_input_pool(const snd_seq_client_pool_t *info)
Get the input pool size of a queue_info container.
Definition: seq.c:4643
unsigned int snd_seq_queue_info_get_flags(const snd_seq_queue_info_t *info)
Get the conditional bit flags of a queue_info container.
Definition: seq.c:3039
void snd_seq_query_subscribe_set_index(snd_seq_query_subscribe_t *info, int _index)
Set the subscriber's index to be queried.
Definition: seq.c:2898
void snd_seq_port_subscribe_set_queue(snd_seq_port_subscribe_t *info, int q)
Set the queue id of a port_subscribe container.
Definition: seq.c:2547
Definition: seq.h:130
int snd_seq_get_client_pool(snd_seq_t *handle, snd_seq_client_pool_t *info)
obtain the pool information of the current client
Definition: seq.c:4721
int snd_seq_event_output(snd_seq_t *handle, snd_seq_event_t *ev)
output an event
Definition: seq.c:3830
unsigned int snd_seq_port_info_get_capability(const snd_seq_port_info_t *info)
Get the capability bits of a port_info container.
Definition: seq.c:1925
snd_seq_type_t snd_seq_type(snd_seq_t *seq)
get type of sequencer handle
Definition: seq.c:815
int snd_seq_port_info_get_synth_voices(const snd_seq_port_info_t *info)
Get the synth voices of a port_info container.
Definition: seq.c:2003
int snd_seq_port_subscribe_malloc(snd_seq_port_subscribe_t **ptr)
allocate an empty snd_seq_port_subscribe_t using standard malloc
Definition: seq.c:2408
void snd_seq_client_info_event_filter_add(snd_seq_client_info_t *info, int event_type)
Add an event type to the event filtering of a client_info container.
Definition: seq.c:1580
int snd_seq_get_queue_timer(snd_seq_t *handle, int q, snd_seq_queue_timer_t *timer)
obtain the queue timer information
Definition: seq.c:3734
int snd_seq_nonblock(snd_seq_t *handle, int nonblock)
Set nonblock mode.
Definition: seq.c:1146
void snd_seq_remove_events_set_tag(snd_seq_remove_events_t *info, int tag)
Set the event tag as removal condition.
Definition: seq.c:4432
const unsigned char * snd_seq_client_info_get_event_filter(const snd_seq_client_info_t *info)
(DEPRECATED) Get the event filter bitmap of a client_info container
Definition: seq.c:1537
int snd_seq_client_info_get_broadcast_filter(const snd_seq_client_info_t *info)
Get the broadcast filter usage of a client_info container.
Definition: seq.c:1505
int snd_seq_drain_output(snd_seq_t *handle)
drain output buffer to sequencer
Definition: seq.c:3958
void snd_seq_port_subscribe_free(snd_seq_port_subscribe_t *ptr)
frees a previously allocated snd_seq_port_subscribe_t
Definition: seq.c:2421
int snd_seq_close(snd_seq_t *handle)
Close the sequencer.
Definition: seq.c:1033
int snd_seq_system_info_get_cur_queues(const snd_seq_system_info_t *info)
Get the current number of queues.
Definition: seq.c:1387
Definition: seq_event.h:178
int snd_seq_client_info_get_client(const snd_seq_client_info_t *info)
Get client id of a client_info container.
Definition: seq.c:1463
unsigned int snd_seq_queue_timer_get_resolution(const snd_seq_queue_timer_t *info)
Get the timer resolution of a queue_timer container.
Definition: seq.c:3679
int snd_seq_poll_descriptors_revents(snd_seq_t *seq, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
get returned events from poll descriptors
Definition: seq.c:1123
int snd_seq_port_info_get_timestamping(const snd_seq_port_info_t *info)
Get the time-stamping mode of the given port in a port_info container.
Definition: seq.c:2029
int snd_seq_create_queue(snd_seq_t *seq, snd_seq_queue_info_t *info)
create a queue
Definition: seq.c:3106
int snd_seq_queue_info_get_queue(const snd_seq_queue_info_t *info)
Get the queue id of a queue_info container.
Definition: seq.c:2987
void snd_seq_port_info_set_synth_voices(snd_seq_port_info_t *info, int voices)
set the synth voices of a port_info container
Definition: seq.c:2172
int snd_seq_event_output_buffer(snd_seq_t *handle, snd_seq_event_t *ev)
output an event onto the lib buffer without draining buffer
Definition: seq.c:3854
const char * snd_seq_queue_info_get_name(const snd_seq_queue_info_t *info)
Get the name of a queue_info container.
Definition: seq.c:3000
int snd_seq_remove_events(snd_seq_t *handle, snd_seq_remove_events_t *info)
remove events on input/output buffers and pools
Definition: seq.c:4523
int snd_seq_poll_descriptors_count(snd_seq_t *handle, short events)
Returns the number of poll descriptors.
Definition: seq.c:1060
size_t snd_seq_client_pool_get_output_pool(const snd_seq_client_pool_t *info)
Get the output pool size of a queue_info container.
Definition: seq.c:4632
int snd_seq_system_info_get_ports(const snd_seq_system_info_t *info)
Get maximum number of ports.
Definition: seq.c:1348
struct _snd_seq_queue_tempo snd_seq_queue_tempo_t
Definition: seq.h:400
int snd_seq_queue_info_get_locked(const snd_seq_queue_info_t *info)
Get the lock status of a queue_info container.
Definition: seq.c:3026
size_t snd_seq_port_info_sizeof(void)
get size of snd_seq_port_info_t
Definition: seq.c:1826
Definition: seq_event.h:200
struct _snd_seq snd_seq_t
Definition: seq.h:47
snd_seq_tick_time_t snd_seq_queue_status_get_tick_time(const snd_seq_queue_status_t *info)
Get the tick time of a queue_status container.
Definition: seq.c:3339
int snd_seq_port_info_get_read_use(const snd_seq_port_info_t *info)
Get the number of read subscriptions of a port_info container.
Definition: seq.c:1951
void snd_seq_remove_events_copy(snd_seq_remove_events_t *dst, const snd_seq_remove_events_t *src)
copy one snd_seq_remove_events_t to another
Definition: seq.c:4249
void snd_seq_client_info_event_filter_clear(snd_seq_client_info_t *info)
Disable event filtering of a client_info container.
Definition: seq.c:1559
int snd_seq_query_next_port(snd_seq_t *handle, snd_seq_port_info_t *info)
query the next matching port
Definition: seq.c:2380
void snd_seq_queue_info_set_owner(snd_seq_queue_info_t *info, int owner)
Set the owner client id of a queue_info container.
Definition: seq.c:3065
size_t snd_seq_get_output_buffer_size(snd_seq_t *handle)
Return the size of output buffer.
Definition: seq.c:1189
size_t snd_seq_client_pool_get_input_free(const snd_seq_client_pool_t *info)
Get the available size on input pool of a queue_info container.
Definition: seq.c:4676
size_t snd_seq_queue_status_sizeof(void)
get size of snd_seq_queue_status_t
Definition: seq.c:3266
int snd_seq_alloc_queue(snd_seq_t *handle)
allocate a queue
Definition: seq.c:3143
void snd_seq_port_info_set_addr(snd_seq_port_info_t *info, const snd_seq_addr_t *addr)
Set the client/port address of a port_info container.
Definition: seq.c:2094
struct _snd_seq_query_subscribe snd_seq_query_subscribe_t
Definition: seq.h:349
int snd_seq_event_input_pending(snd_seq_t *seq, int fetch_sequencer)
check events in input buffer
Definition: seq.c:4129
int snd_seq_client_info_get_event_lost(const snd_seq_client_info_t *info)
Get the number of lost events of a client_info container.
Definition: seq.c:1647
void snd_seq_port_info_set_timestamping(snd_seq_port_info_t *info, int enable)
Set the time-stamping mode of the given port.
Definition: seq.c:2201
void snd_seq_port_subscribe_set_dest(snd_seq_port_subscribe_t *info, const snd_seq_addr_t *addr)
Set destination address of a port_subscribe container.
Definition: seq.c:2534
int snd_seq_remove_events_get_event_type(const snd_seq_remove_events_t *info)
Get the event type as removal condition.
Definition: seq.c:4328
struct _snd_seq_queue_status snd_seq_queue_status_t
Definition: seq.h:398
void snd_seq_port_info_set_port_specified(snd_seq_port_info_t *info, int val)
Set the port-specified mode of a port_info container.
Definition: seq.c:2185
int snd_seq_client_info_event_filter_check(snd_seq_client_info_t *info, int event_type)
Check if an event type is present in the event filtering of a client_info container.
Definition: seq.c:1621
int snd_seq_system_info_malloc(snd_seq_system_info_t **ptr)
Allocate an empty snd_seq_system_info_t using standard malloc.
Definition: seq.c:1285
int snd_seq_drop_output_buffer(snd_seq_t *handle)
remove all events on user-space output buffer
Definition: seq.c:4153
void snd_seq_unset_bit(int nr, void *array)
unset a bit flag
Definition: seq.c:4760
size_t snd_seq_port_subscribe_sizeof(void)
get size of snd_seq_port_subscribe_t
Definition: seq.c:2398
int snd_seq_alloc_named_queue(snd_seq_t *seq, const char *name)
allocate a queue with the specified name
Definition: seq.c:3125
int snd_seq_client_pool_malloc(snd_seq_client_pool_t **ptr)
allocate an empty snd_seq_client_pool_t using standard malloc
Definition: seq.c:4586
int snd_seq_remove_events_get_tag(const snd_seq_remove_events_t *info)
Get the event tag id as removal condition.
Definition: seq.c:4341
Definition: seq.h:354
size_t snd_seq_get_input_buffer_size(snd_seq_t *handle)
Return the size of input buffer.
Definition: seq.c:1207
int snd_seq_poll_descriptors(snd_seq_t *handle, struct pollfd *pfds, unsigned int space, short events)
Get poll descriptors.
Definition: seq.c:1093
struct _snd_seq_client_pool snd_seq_client_pool_t
Definition: seq.h:170
int snd_seq_get_queue_tempo(snd_seq_t *handle, int q, snd_seq_queue_tempo_t *tempo)
obtain the current tempo of the queue
Definition: seq.c:3562
int snd_seq_query_subscribe_get_num_subs(const snd_seq_query_subscribe_t *info)
Get the number of subscriptions of a query_subscribe container.
Definition: seq.c:2768
size_t snd_seq_client_pool_get_output_free(const snd_seq_client_pool_t *info)
Get the available size on output pool of a queue_info container.
Definition: seq.c:4665
void snd_seq_client_info_free(snd_seq_client_info_t *ptr)
frees a previously allocated snd_seq_client_info_t
Definition: seq.c:1439
int snd_seq_queue_tempo_get_queue(const snd_seq_queue_tempo_t *info)
Get the queue id of a queue_status container.
Definition: seq.c:3440
int snd_seq_query_subscribe_get_port(const snd_seq_query_subscribe_t *info)
Get the port id of a query_subscribe container.
Definition: seq.c:2716
void snd_seq_port_subscribe_set_sender(snd_seq_port_subscribe_t *info, const snd_seq_addr_t *addr)
Set sender address of a port_subscribe container.
Definition: seq.c:2521
int snd_seq_client_id(snd_seq_t *handle)
Get the client id.
Definition: seq.c:1172
void snd_seq_client_info_set_broadcast_filter(snd_seq_client_info_t *info, int val)
Set the broadcast filter usage of a client_info container.
Definition: seq.c:1687
void snd_seq_queue_info_free(snd_seq_queue_info_t *ptr)
frees a previously allocated snd_seq_queue_info_t
Definition: seq.c:2963
int snd_seq_system_info_get_clients(const snd_seq_system_info_t *info)
Get maximum number of clients.
Definition: seq.c:1335
int snd_seq_client_info_malloc(snd_seq_client_info_t **ptr)
allocate an empty snd_seq_client_info_t using standard malloc
Definition: seq.c:1426
Definition: seq_event.h:296
int snd_seq_queue_status_malloc(snd_seq_queue_status_t **ptr)
allocate an empty snd_seq_queue_status_t using standard malloc
Definition: seq.c:3276
void snd_seq_query_subscribe_set_port(snd_seq_query_subscribe_t *info, int port)
Set the port id of a query_subscribe container.
Definition: seq.c:2859
int snd_seq_get_any_port_info(snd_seq_t *handle, int client, int port, snd_seq_port_info_t *info)
obtain the information of a port on an arbitrary client
Definition: seq.c:2322
int snd_seq_drop_output(snd_seq_t *handle)
remove all events on output buffer
Definition: seq.c:4183
struct _snd_config snd_config_t
Internal structure for a configuration node object.
Definition: conf.h:69
int snd_seq_get_queue_status(snd_seq_t *handle, int q, snd_seq_queue_status_t *status)
obtain the running state of the queue
Definition: seq.c:3380
struct _snd_seq_remove_events snd_seq_remove_events_t
Definition: seq.h:533
void snd_seq_query_subscribe_set_client(snd_seq_query_subscribe_t *info, int client)
Set the client id of a query_subscribe container.
Definition: seq.c:2846
struct _snd_seq_system_info snd_seq_system_info_t
Definition: seq.h:95
int snd_seq_query_subscribe_get_time_real(const snd_seq_query_subscribe_t *info)
Get the real-time update mode of a query_subscribe container.
Definition: seq.c:2833
int snd_seq_get_port_info(snd_seq_t *handle, int port, snd_seq_port_info_t *info)
obtain the information of a port on the current client
Definition: seq.c:2341
int snd_seq_get_any_client_info(snd_seq_t *handle, int client, snd_seq_client_info_t *info)
obtain the information of the given client
Definition: seq.c:1750
void snd_seq_queue_info_set_flags(snd_seq_queue_info_t *info, unsigned int flags)
Set the conditional bit flags of a queue_info container.
Definition: seq.c:3091
void snd_seq_remove_events_set_condition(snd_seq_remove_events_t *info, unsigned int flags)
Set the removal condition bits.
Definition: seq.c:4354
size_t snd_seq_query_subscribe_sizeof(void)
get size of snd_seq_query_subscribe_t
Definition: seq.c:2656
snd_seq_queue_timer_type_t snd_seq_queue_timer_get_type(const snd_seq_queue_timer_t *info)
Get the timer type of a queue_timer container.
Definition: seq.c:3653
void snd_seq_port_info_set_midi_channels(snd_seq_port_info_t *info, int channels)
set the midi channels of a port_info container
Definition: seq.c:2146
void snd_seq_queue_tempo_free(snd_seq_queue_tempo_t *ptr)
frees a previously allocated snd_seq_queue_tempo_t
Definition: seq.c:3416
const snd_seq_addr_t * snd_seq_port_info_get_addr(const snd_seq_port_info_t *info)
Get client/port address of a port_info container.
Definition: seq.c:1899
void snd_seq_port_info_free(snd_seq_port_info_t *ptr)
frees a previously allocated snd_seq_port_info_t
Definition: seq.c:1849
void snd_seq_client_info_set_event_filter(snd_seq_client_info_t *info, unsigned char *filter)
(DEPRECATED) Set the event filter bitmap of a client_info container
Definition: seq.c:1725
unsigned int snd_seq_port_info_get_type(const snd_seq_port_info_t *info)
Get the type bits of a port_info container.
Definition: seq.c:1938
void snd_seq_port_info_set_capability(snd_seq_port_info_t *info, unsigned int capability)
set the capability bits of a port_info container
Definition: seq.c:2120
int snd_seq_queue_tempo_malloc(snd_seq_queue_tempo_t **ptr)
allocate an empty snd_seq_queue_tempo_t using standard malloc
Definition: seq.c:3403
void snd_seq_client_pool_set_input_pool(snd_seq_client_pool_t *info, size_t size)
Set the input pool size of a queue_info container.
Definition: seq.c:4698
int snd_seq_event_input(snd_seq_t *handle, snd_seq_event_t **ev)
retrieve an event from sequencer
Definition: seq.c:4082
Definition: seq.h:63
void snd_seq_remove_events_set_dest(snd_seq_remove_events_t *info, const snd_seq_addr_t *addr)
Set the destination address as removal condition.
Definition: seq.c:4393
int snd_seq_port_subscribe_get_time_update(const snd_seq_port_subscribe_t *info)
Get the time-update mode of a port_subscribe container.
Definition: seq.c:2495
void snd_seq_query_subscribe_free(snd_seq_query_subscribe_t *ptr)
frees a previously allocated snd_seq_query_subscribe_t
Definition: seq.c:2679
void snd_seq_client_pool_free(snd_seq_client_pool_t *ptr)
frees a previously allocated snd_seq_client_pool_t
Definition: seq.c:4599
int snd_seq_get_client_info(snd_seq_t *handle, snd_seq_client_info_t *info)
obtain the current client information
Definition: seq.c:1770
void snd_seq_queue_timer_set_id(snd_seq_queue_timer_t *info, const snd_timer_id_t *id)
Set the timer id of a queue_timer container.
Definition: seq.c:3705
void * ptr
Definition: seq_event.h:199
void snd_seq_port_info_set_type(snd_seq_port_info_t *info, unsigned int type)
Get the type bits of a port_info container.
Definition: seq.c:2133
int snd_seq_free_queue(snd_seq_t *handle, int q)
delete the specified queue
Definition: seq.c:3156
struct _snd_seq_queue_info snd_seq_queue_info_t
Definition: seq.h:396
void snd_seq_queue_timer_copy(snd_seq_queue_timer_t *dst, const snd_seq_queue_timer_t *src)
copy one snd_seq_queue_timer_t to another
Definition: seq.c:3626
int snd_seq_queue_tempo_get_ppq(const snd_seq_queue_tempo_t *info)
Get the ppq of a queue_status container.
Definition: seq.c:3466
int snd_seq_set_output_buffer_size(snd_seq_t *handle, size_t size)
Change the size of output buffer.
Definition: seq.c:1225
int snd_seq_port_subscribe_get_time_real(const snd_seq_port_subscribe_t *info)
Get the real-time update mode of a port_subscribe container.
Definition: seq.c:2508
int snd_seq_drop_input_buffer(snd_seq_t *handle)
remove all events on user-space input FIFO
Definition: seq.c:4166
struct _snd_seq_client_info snd_seq_client_info_t
Definition: seq.h:125
void snd_seq_remove_events_set_time(snd_seq_remove_events_t *info, const snd_seq_timestamp_t *time)
Set the timestamp as removal condition.
Definition: seq.c:4380
int snd_seq_system_info_get_cur_clients(const snd_seq_system_info_t *info)
Get the current number of clients.
Definition: seq.c:1374
void snd_seq_set_bit(int nr, void *array)
set a bit flag
Definition: seq.c:4752
struct _snd_seq_port_info snd_seq_port_info_t
Definition: seq.h:205
size_t snd_seq_system_info_sizeof(void)
Get size of snd_seq_system_info_t.
Definition: seq.c:1275
int snd_seq_free_event(snd_seq_event_t *ev)
(DEPRECATED) free an event
Definition: seq.c:3786
void snd_seq_client_info_set_name(snd_seq_client_info_t *info, const char *name)
Set the name of a client_info container.
Definition: seq.c:1674
struct _snd_seq_port_subscribe snd_seq_port_subscribe_t
Definition: seq.h:317
snd_seq_type_t
Definition: seq.h:62
const snd_seq_addr_t * snd_seq_query_subscribe_get_addr(const snd_seq_query_subscribe_t *info)
Get the address of subscriber of a query_subscribe container.
Definition: seq.c:2781
int snd_seq_delete_port(snd_seq_t *handle, int port)
delete a sequencer port on the current client
Definition: seq.c:2302
void snd_seq_remove_events_set_channel(snd_seq_remove_events_t *info, int channel)
Set the channel as removal condition.
Definition: seq.c:4406
int snd_seq_query_subscribe_malloc(snd_seq_query_subscribe_t **ptr)
allocate an empty snd_seq_query_subscribe_t using standard malloc
Definition: seq.c:2666
void snd_seq_queue_info_set_name(snd_seq_queue_info_t *info, const char *name)
Set the name of a queue_info container.
Definition: seq.c:3052