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ALSA project - the C library reference
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Application interface library for the ALSA driver. More...
Go to the source code of this file.
Macros | |
| #define | snd_seq_ev_clear(ev) memset(ev, 0, sizeof(snd_seq_event_t)) |
| initialize event record More... | |
| #define | snd_seq_ev_set_tag(ev, t) ((ev)->tag = (t)) |
| set the tag for given event More... | |
| #define | snd_seq_ev_set_dest(ev, c, p) ((ev)->dest.client = (c), (ev)->dest.port = (p)) |
| set the explicit destination More... | |
| #define | snd_seq_ev_set_subs(ev) |
| set broadcasting to subscribers More... | |
| #define | snd_seq_ev_set_broadcast(ev) |
| set broadcasting to all clients/ports More... | |
| #define | snd_seq_ev_set_source(ev, p) ((ev)->source.port = (p)) |
| set the source port More... | |
| #define | snd_seq_ev_set_direct(ev) ((ev)->queue = SND_SEQ_QUEUE_DIRECT) |
| set direct passing mode (without queued) More... | |
| #define | snd_seq_ev_schedule_tick(ev, q, relative, ttick) |
| set tick-scheduling mode on queue More... | |
| #define | snd_seq_ev_schedule_real(ev, q, relative, rtime) |
| set real-time-scheduling mode on queue More... | |
| #define | snd_seq_ev_set_priority(ev, high_prior) |
| set event priority More... | |
| #define | snd_seq_ev_set_fixed(ev) |
| set fixed data More... | |
| #define | snd_seq_ev_set_variable(ev, datalen, dataptr) |
| set variable data More... | |
| #define | snd_seq_ev_set_varusr(ev, datalen, dataptr) |
| set varusr data More... | |
| #define | snd_seq_ev_set_queue_control(ev, typ, q, val) |
| set queue controls More... | |
| #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 More... | |
| #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 More... | |
| #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 More... | |
| #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 More... | |
| #define | snd_seq_ev_set_queue_pos_real(ev, q, rtime) |
| set the real-time position of a queue More... | |
| #define | snd_seq_ev_set_queue_pos_tick(ev, q, ttime) |
| set the tick-time position of a queue More... | |
| #define | snd_seq_start_queue(seq, q, ev) snd_seq_control_queue(seq, q, SND_SEQ_EVENT_START, 0, ev) |
| start the specified queue More... | |
| #define | snd_seq_stop_queue(seq, q, ev) snd_seq_control_queue(seq, q, SND_SEQ_EVENT_STOP, 0, ev) |
| stop the specified queue More... | |
| #define | snd_seq_continue_queue(seq, q, ev) snd_seq_control_queue(seq, q, SND_SEQ_EVENT_CONTINUE, 0, ev) |
| continue the specified queue More... | |
| #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 More... | |
| #define | snd_seq_ev_set_note(ev, ch, key, vel, dur) |
| set note event More... | |
| #define | snd_seq_ev_set_noteon(ev, ch, key, vel) |
| set note-on event More... | |
| #define | snd_seq_ev_set_noteoff(ev, ch, key, vel) |
| set note-off event More... | |
| #define | snd_seq_ev_set_keypress(ev, ch, key, vel) |
| set key-pressure event More... | |
| #define | snd_seq_ev_set_controller(ev, ch, cc, val) |
| set MIDI controller event More... | |
| #define | snd_seq_ev_set_pgmchange(ev, ch, val) |
| set program change event More... | |
| #define | snd_seq_ev_set_pitchbend(ev, ch, val) |
| set pitch-bend event More... | |
| #define | snd_seq_ev_set_chanpress(ev, ch, val) |
| set channel pressure event More... | |
| #define | snd_seq_ev_set_sysex(ev, datalen, dataptr) |
| set sysex event More... | |
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 More... | |
| int | snd_seq_create_simple_port (snd_seq_t *seq, const char *name, unsigned int caps, unsigned int type) |
| create a port - simple version More... | |
| int | snd_seq_delete_simple_port (snd_seq_t *seq, int port) |
| delete the port More... | |
| 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) More... | |
| 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) More... | |
| int | snd_seq_disconnect_from (snd_seq_t *seq, int my_port, int src_client, int src_port) |
| simple disconnection More... | |
| int | snd_seq_disconnect_to (snd_seq_t *seq, int my_port, int dest_client, int dest_port) |
| simple disconnection More... | |
| int | snd_seq_set_client_name (snd_seq_t *seq, const char *name) |
| set client name More... | |
| int | snd_seq_set_client_event_filter (snd_seq_t *seq, int event_type) |
| add client event filter More... | |
| int | snd_seq_set_client_pool_output (snd_seq_t *seq, size_t size) |
| change the output pool size of the given client More... | |
| int | snd_seq_set_client_pool_output_room (snd_seq_t *seq, size_t size) |
| change the output room size of the given client More... | |
| int | snd_seq_set_client_pool_input (snd_seq_t *seq, size_t size) |
| change the input pool size of the given client More... | |
| int | snd_seq_sync_output_queue (snd_seq_t *seq) |
| wait until all events are processed More... | |
| 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 More... | |
| int | snd_seq_reset_pool_output (snd_seq_t *seq) |
| reset client output pool More... | |
| int | snd_seq_reset_pool_input (snd_seq_t *seq) |
| reset client input pool More... | |
Application interface library for the ALSA driver.
Application interface library for the ALSA driver
1.9.4