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seqmid.h File Reference

Application interface library for the ALSA driver. More...

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Macros

#define snd_seq_ev_clear(ev)   memset(ev, 0, sizeof(snd_seq_event_t))
 initialize event record
#define snd_seq_ev_set_tag(ev, t)   ((ev)->tag = (t))
 set the tag for given event
#define snd_seq_ev_set_dest(ev, c, p)   ((ev)->dest.client = (c), (ev)->dest.port = (p))
 set the explicit destination
#define snd_seq_ev_set_subs(ev)
 set broadcasting to subscribers
#define snd_seq_ev_set_broadcast(ev)
 set broadcasting to all clients/ports
#define snd_seq_ev_set_source(ev, p)   ((ev)->source.port = (p))
 set the source port
#define snd_seq_ev_set_direct(ev)   ((ev)->queue = SND_SEQ_QUEUE_DIRECT)
 set direct passing mode (without queued)
#define snd_seq_ev_schedule_tick(ev, q, relative, ttick)
 set tick-scheduling mode on queue
#define snd_seq_ev_schedule_real(ev, q, relative, rtime)
 set real-time-scheduling mode on queue
#define snd_seq_ev_set_priority(ev, high_prior)
 set event priority
#define snd_seq_ev_set_fixed(ev)
 set fixed data
#define snd_seq_ev_set_variable(ev, datalen, dataptr)
 set variable data
#define snd_seq_ev_set_varusr(ev, datalen, dataptr)
 set varusr data
#define snd_seq_ev_set_queue_control(ev, typ, q, val)
 set queue controls
#define snd_seq_ev_set_queue_start(ev, q)   snd_seq_ev_set_queue_control(ev, SND_SEQ_EVENT_START, q, 0)
 set the start queue event
#define snd_seq_ev_set_queue_stop(ev, q)   snd_seq_ev_set_queue_control(ev, SND_SEQ_EVENT_STOP, q, 0)
 set the stop queue event
#define snd_seq_ev_set_queue_continue(ev, q)   snd_seq_ev_set_queue_control(ev, SND_SEQ_EVENT_CONTINUE, q, 0)
 set the stop queue event
#define snd_seq_ev_set_queue_tempo(ev, q, val)   snd_seq_ev_set_queue_control(ev, SND_SEQ_EVENT_TEMPO, q, val)
 set the stop queue event
#define snd_seq_ev_set_queue_pos_real(ev, q, rtime)
 set the real-time position of a queue
#define snd_seq_ev_set_queue_pos_tick(ev, q, ttime)
 set the tick-time position of a queue
#define snd_seq_start_queue(seq, q, ev)   snd_seq_control_queue(seq, q, SND_SEQ_EVENT_START, 0, ev)
 start the specified queue
#define snd_seq_stop_queue(seq, q, ev)   snd_seq_control_queue(seq, q, SND_SEQ_EVENT_STOP, 0, ev)
 stop the specified queue
#define snd_seq_continue_queue(seq, q, ev)   snd_seq_control_queue(seq, q, SND_SEQ_EVENT_CONTINUE, 0, ev)
 continue the specified queue
#define snd_seq_change_queue_tempo(seq, q, tempo, ev)   snd_seq_control_queue(seq, q, SND_SEQ_EVENT_TEMPO, tempo, ev)
 change the tempo of the specified queue
#define snd_seq_ev_set_note(ev, ch, key, vel, dur)
 set note event
#define snd_seq_ev_set_noteon(ev, ch, key, vel)
 set note-on event
#define snd_seq_ev_set_noteoff(ev, ch, key, vel)
 set note-off event
#define snd_seq_ev_set_keypress(ev, ch, key, vel)
 set key-pressure event
#define snd_seq_ev_set_controller(ev, ch, cc, val)
 set MIDI controller event
#define snd_seq_ev_set_pgmchange(ev, ch, val)
 set program change event
#define snd_seq_ev_set_pitchbend(ev, ch, val)
 set pitch-bend event
#define snd_seq_ev_set_chanpress(ev, ch, val)
 set channel pressure event
#define snd_seq_ev_set_sysex(ev, datalen, dataptr)
 set sysex event

Functions

int snd_seq_control_queue (snd_seq_t *seq, int q, int type, int value, snd_seq_event_t *ev)
 queue controls - start/stop/continue
int snd_seq_create_simple_port (snd_seq_t *seq, const char *name, unsigned int caps, unsigned int type)
 create a port - simple version
int snd_seq_delete_simple_port (snd_seq_t *seq, int port)
 delete the port
int snd_seq_connect_from (snd_seq_t *seq, int my_port, int src_client, int src_port)
 simple subscription (w/o exclusive & time conversion)
int snd_seq_connect_to (snd_seq_t *seq, int my_port, int dest_client, int dest_port)
 simple subscription (w/o exclusive & time conversion)
int snd_seq_disconnect_from (snd_seq_t *seq, int my_port, int src_client, int src_port)
 simple disconnection
int snd_seq_disconnect_to (snd_seq_t *seq, int my_port, int dest_client, int dest_port)
 simple disconnection
int snd_seq_set_client_name (snd_seq_t *seq, const char *name)
 set client name
int snd_seq_set_client_event_filter (snd_seq_t *seq, int event_type)
 add client event filter
int snd_seq_set_client_pool_output (snd_seq_t *seq, size_t size)
 change the output pool size of the given client
int snd_seq_set_client_pool_output_room (snd_seq_t *seq, size_t size)
 change the output room size of the given client
int snd_seq_set_client_pool_input (snd_seq_t *seq, size_t size)
 change the input pool size of the given client
int snd_seq_sync_output_queue (snd_seq_t *seq)
 wait until all events are processed
int snd_seq_parse_address (snd_seq_t *seq, snd_seq_addr_t *addr, const char *str)
 parse the given string and get the sequencer address
int snd_seq_reset_pool_output (snd_seq_t *seq)
 reset client output pool
int snd_seq_reset_pool_input (snd_seq_t *seq)
 reset client input pool

Detailed Description

Application interface library for the ALSA driver.

Author:
Jaroslav Kysela perex.nosp@m.@per.nosp@m.ex.cz
Abramo Bagnara abram.nosp@m.o@al.nosp@m.sa-pr.nosp@m.ojec.nosp@m.t.org
Takashi Iwai tiwai.nosp@m.@sus.nosp@m.e.de
Date:
1998-2001

Application interface library for the ALSA driver