Application interface library for the ALSA driver. More...
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Defines | |
#define | SND_SEQ_DLSYM_VERSION _dlsym_seq_001 |
#define | SND_SEQ_OPEN_OUTPUT 1 |
#define | SND_SEQ_OPEN_INPUT 2 |
#define | SND_SEQ_OPEN_DUPLEX (SND_SEQ_OPEN_OUTPUT|SND_SEQ_OPEN_INPUT) |
#define | SND_SEQ_NONBLOCK 0x0001 |
#define | SND_SEQ_ADDRESS_UNKNOWN 253 |
#define | SND_SEQ_ADDRESS_SUBSCRIBERS 254 |
#define | SND_SEQ_ADDRESS_BROADCAST 255 |
#define | SND_SEQ_CLIENT_SYSTEM 0 |
#define | snd_seq_system_info_alloca(ptr) __snd_alloca(ptr, snd_seq_system_info) |
#define | snd_seq_client_info_alloca(ptr) __snd_alloca(ptr, snd_seq_client_info) |
#define | snd_seq_client_pool_alloca(ptr) __snd_alloca(ptr, snd_seq_client_pool) |
#define | SND_SEQ_PORT_SYSTEM_TIMER 0 |
#define | SND_SEQ_PORT_SYSTEM_ANNOUNCE 1 |
#define | SND_SEQ_PORT_CAP_READ (1<<0) |
#define | SND_SEQ_PORT_CAP_WRITE (1<<1) |
#define | SND_SEQ_PORT_CAP_SYNC_READ (1<<2) |
#define | SND_SEQ_PORT_CAP_SYNC_WRITE (1<<3) |
#define | SND_SEQ_PORT_CAP_DUPLEX (1<<4) |
#define | SND_SEQ_PORT_CAP_SUBS_READ (1<<5) |
#define | SND_SEQ_PORT_CAP_SUBS_WRITE (1<<6) |
#define | SND_SEQ_PORT_CAP_NO_EXPORT (1<<7) |
#define | SND_SEQ_PORT_TYPE_SPECIFIC (1<<0) |
#define | SND_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1) |
#define | SND_SEQ_PORT_TYPE_MIDI_GM (1<<2) |
#define | SND_SEQ_PORT_TYPE_MIDI_GS (1<<3) |
#define | SND_SEQ_PORT_TYPE_MIDI_XG (1<<4) |
#define | SND_SEQ_PORT_TYPE_MIDI_MT32 (1<<5) |
#define | SND_SEQ_PORT_TYPE_MIDI_GM2 (1<<6) |
#define | SND_SEQ_PORT_TYPE_SYNTH (1<<10) |
#define | SND_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11) |
#define | SND_SEQ_PORT_TYPE_SAMPLE (1<<12) |
#define | SND_SEQ_PORT_TYPE_HARDWARE (1<<16) |
#define | SND_SEQ_PORT_TYPE_SOFTWARE (1<<17) |
#define | SND_SEQ_PORT_TYPE_SYNTHESIZER (1<<18) |
#define | SND_SEQ_PORT_TYPE_PORT (1<<19) |
#define | SND_SEQ_PORT_TYPE_APPLICATION (1<<20) |
#define | snd_seq_port_info_alloca(ptr) __snd_alloca(ptr, snd_seq_port_info) |
#define | snd_seq_port_subscribe_alloca(ptr) __snd_alloca(ptr, snd_seq_port_subscribe) |
#define | snd_seq_query_subscribe_alloca(ptr) __snd_alloca(ptr, snd_seq_query_subscribe) |
#define | SND_SEQ_QUEUE_DIRECT 253 |
#define | snd_seq_queue_info_alloca(ptr) __snd_alloca(ptr, snd_seq_queue_info) |
#define | snd_seq_queue_status_alloca(ptr) __snd_alloca(ptr, snd_seq_queue_status) |
#define | snd_seq_queue_tempo_alloca(ptr) __snd_alloca(ptr, snd_seq_queue_tempo) |
#define | snd_seq_queue_timer_alloca(ptr) __snd_alloca(ptr, snd_seq_queue_timer) |
#define | SND_SEQ_REMOVE_INPUT (1<<0) |
#define | SND_SEQ_REMOVE_OUTPUT (1<<1) |
#define | SND_SEQ_REMOVE_DEST (1<<2) |
#define | SND_SEQ_REMOVE_DEST_CHANNEL (1<<3) |
#define | SND_SEQ_REMOVE_TIME_BEFORE (1<<4) |
#define | SND_SEQ_REMOVE_TIME_AFTER (1<<5) |
#define | SND_SEQ_REMOVE_TIME_TICK (1<<6) |
#define | SND_SEQ_REMOVE_EVENT_TYPE (1<<7) |
#define | SND_SEQ_REMOVE_IGNORE_OFF (1<<8) |
#define | SND_SEQ_REMOVE_TAG_MATCH (1<<9) |
#define | snd_seq_remove_events_alloca(ptr) __snd_alloca(ptr, snd_seq_remove_events) |
#define | _SND_SEQ_TYPE(x) (1<<(x)) |
#define | _SND_SEQ_TYPE_OPT(x) ((x)<<24) |
#define | snd_seq_type_check(ev, x) (snd_seq_event_types[(ev)->type] & _SND_SEQ_TYPE(x)) |
#define | snd_seq_ev_is_result_type(ev) snd_seq_type_check(ev, SND_SEQ_EVFLG_RESULT) |
#define | snd_seq_ev_is_note_type(ev) snd_seq_type_check(ev, SND_SEQ_EVFLG_NOTE) |
#define | snd_seq_ev_is_control_type(ev) snd_seq_type_check(ev, SND_SEQ_EVFLG_CONTROL) |
#define | snd_seq_ev_is_channel_type(ev) (snd_seq_event_types[(ev)->type] & (_SND_SEQ_TYPE(SND_SEQ_EVFLG_NOTE) | _SND_SEQ_TYPE(SND_SEQ_EVFLG_CONTROL))) |
#define | snd_seq_ev_is_queue_type(ev) snd_seq_type_check(ev, SND_SEQ_EVFLG_QUEUE) |
#define | snd_seq_ev_is_message_type(ev) snd_seq_type_check(ev, SND_SEQ_EVFLG_MESSAGE) |
#define | snd_seq_ev_is_subscribe_type(ev) snd_seq_type_check(ev, SND_SEQ_EVFLG_CONNECTION) |
#define | snd_seq_ev_is_sample_type(ev) snd_seq_type_check(ev, SND_SEQ_EVFLG_SAMPLE) |
#define | snd_seq_ev_is_user_type(ev) snd_seq_type_check(ev, SND_SEQ_EVFLG_USERS) |
#define | snd_seq_ev_is_instr_type(ev) snd_seq_type_check(ev, SND_SEQ_EVFLG_INSTR) |
#define | snd_seq_ev_is_fixed_type(ev) snd_seq_type_check(ev, SND_SEQ_EVFLG_FIXED) |
#define | snd_seq_ev_is_variable_type(ev) snd_seq_type_check(ev, SND_SEQ_EVFLG_VARIABLE) |
#define | snd_seq_ev_is_varusr_type(ev) snd_seq_type_check(ev, SND_SEQ_EVFLG_VARUSR) |
#define | snd_seq_ev_is_reserved(ev) (! snd_seq_event_types[(ev)->type]) |
#define | snd_seq_ev_is_prior(ev) (((ev)->flags & SND_SEQ_PRIORITY_MASK) == SND_SEQ_PRIORITY_HIGH) |
#define | snd_seq_ev_length_type(ev) ((ev)->flags & SND_SEQ_EVENT_LENGTH_MASK) |
#define | snd_seq_ev_is_fixed(ev) (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_FIXED) |
#define | snd_seq_ev_is_variable(ev) (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_VARIABLE) |
#define | snd_seq_ev_is_varusr(ev) (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_VARUSR) |
#define | snd_seq_ev_timestamp_type(ev) ((ev)->flags & SND_SEQ_TIME_STAMP_MASK) |
#define | snd_seq_ev_is_tick(ev) (snd_seq_ev_timestamp_type(ev) == SND_SEQ_TIME_STAMP_TICK) |
#define | snd_seq_ev_is_real(ev) (snd_seq_ev_timestamp_type(ev) == SND_SEQ_TIME_STAMP_REAL) |
#define | snd_seq_ev_timemode_type(ev) ((ev)->flags & SND_SEQ_TIME_MODE_MASK) |
#define | snd_seq_ev_is_abstime(ev) (snd_seq_ev_timemode_type(ev) == SND_SEQ_TIME_MODE_ABS) |
#define | snd_seq_ev_is_reltime(ev) (snd_seq_ev_timemode_type(ev) == SND_SEQ_TIME_MODE_REL) |
#define | snd_seq_ev_is_direct(ev) ((ev)->queue == SND_SEQ_QUEUE_DIRECT) |
Typedefs | |
typedef struct _snd_seq | snd_seq_t |
typedef struct _snd_seq_system_info | snd_seq_system_info_t |
typedef struct _snd_seq_client_info | snd_seq_client_info_t |
typedef struct _snd_seq_client_pool | snd_seq_client_pool_t |
typedef struct _snd_seq_port_info | snd_seq_port_info_t |
typedef struct _snd_seq_port_subscribe | snd_seq_port_subscribe_t |
typedef struct _snd_seq_query_subscribe | snd_seq_query_subscribe_t |
typedef struct _snd_seq_queue_info | snd_seq_queue_info_t |
typedef struct _snd_seq_queue_status | snd_seq_queue_status_t |
typedef struct _snd_seq_queue_tempo | snd_seq_queue_tempo_t |
typedef struct _snd_seq_queue_timer | snd_seq_queue_timer_t |
typedef struct _snd_seq_remove_events | snd_seq_remove_events_t |
Enumerations | |
enum | snd_seq_type_t { SND_SEQ_TYPE_HW, SND_SEQ_TYPE_SHM, SND_SEQ_TYPE_INET } |
enum | snd_seq_client_type_t { SND_SEQ_USER_CLIENT = 1, SND_SEQ_KERNEL_CLIENT = 2 } |
enum | snd_seq_query_subs_type_t { SND_SEQ_QUERY_SUBS_READ, SND_SEQ_QUERY_SUBS_WRITE } |
enum | snd_seq_queue_timer_type_t { SND_SEQ_TIMER_ALSA = 0, SND_SEQ_TIMER_MIDI_CLOCK = 1, SND_SEQ_TIMER_MIDI_TICK = 2 } |
enum | { SND_SEQ_EVFLG_RESULT, SND_SEQ_EVFLG_NOTE, SND_SEQ_EVFLG_CONTROL, SND_SEQ_EVFLG_QUEUE, SND_SEQ_EVFLG_SYSTEM, SND_SEQ_EVFLG_MESSAGE, SND_SEQ_EVFLG_CONNECTION, SND_SEQ_EVFLG_SAMPLE, SND_SEQ_EVFLG_USERS, SND_SEQ_EVFLG_INSTR, SND_SEQ_EVFLG_QUOTE, SND_SEQ_EVFLG_NONE, SND_SEQ_EVFLG_RAW, SND_SEQ_EVFLG_FIXED, SND_SEQ_EVFLG_VARIABLE, SND_SEQ_EVFLG_VARUSR } |
enum | { SND_SEQ_EVFLG_NOTE_ONEARG, SND_SEQ_EVFLG_NOTE_TWOARG } |
enum | { SND_SEQ_EVFLG_QUEUE_NOARG, SND_SEQ_EVFLG_QUEUE_TICK, SND_SEQ_EVFLG_QUEUE_TIME, SND_SEQ_EVFLG_QUEUE_VALUE } |
Functions | |
int | snd_seq_open (snd_seq_t **handle, const char *name, int streams, int mode) |
Open the ALSA sequencer. | |
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. | |
const char * | snd_seq_name (snd_seq_t *seq) |
get identifier of sequencer handle | |
snd_seq_type_t | snd_seq_type (snd_seq_t *seq) |
get type of sequencer handle | |
int | snd_seq_close (snd_seq_t *handle) |
Close the sequencer. | |
int | snd_seq_poll_descriptors_count (snd_seq_t *handle, short events) |
Returns the number of poll descriptors. | |
int | snd_seq_poll_descriptors (snd_seq_t *handle, struct pollfd *pfds, unsigned int space, short events) |
Get poll descriptors. | |
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 | |
int | snd_seq_nonblock (snd_seq_t *handle, int nonblock) |
Set nonblock mode. | |
int | snd_seq_client_id (snd_seq_t *handle) |
Get the client id. | |
size_t | snd_seq_get_output_buffer_size (snd_seq_t *handle) |
Return the size of output buffer. | |
size_t | snd_seq_get_input_buffer_size (snd_seq_t *handle) |
Return the size of input buffer. | |
int | snd_seq_set_output_buffer_size (snd_seq_t *handle, size_t size) |
Change the size of output buffer. | |
int | snd_seq_set_input_buffer_size (snd_seq_t *handle, size_t size) |
Resize the input buffer. | |
size_t | snd_seq_system_info_sizeof (void) |
Get size of snd_seq_system_info_t. | |
int | snd_seq_system_info_malloc (snd_seq_system_info_t **ptr) |
Allocate an empty snd_seq_system_info_t using standard malloc. | |
void | snd_seq_system_info_free (snd_seq_system_info_t *ptr) |
Frees a previously allocated snd_seq_system_info_t. | |
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. | |
int | snd_seq_system_info_get_queues (const snd_seq_system_info_t *info) |
Get maximum number of queues. | |
int | snd_seq_system_info_get_clients (const snd_seq_system_info_t *info) |
Get maximum number of clients. | |
int | snd_seq_system_info_get_ports (const snd_seq_system_info_t *info) |
Get maximum number of ports. | |
int | snd_seq_system_info_get_channels (const snd_seq_system_info_t *info) |
Get maximum number of channels. | |
int | snd_seq_system_info_get_cur_clients (const snd_seq_system_info_t *info) |
Get the current number of clients. | |
int | snd_seq_system_info_get_cur_queues (const snd_seq_system_info_t *info) |
Get the current number of queues. | |
int | snd_seq_system_info (snd_seq_t *handle, snd_seq_system_info_t *info) |
obtain the sequencer system information | |
size_t | snd_seq_client_info_sizeof (void) |
get size of snd_seq_client_info_t | |
int | snd_seq_client_info_malloc (snd_seq_client_info_t **ptr) |
allocate an empty snd_seq_client_info_t using standard malloc | |
void | snd_seq_client_info_free (snd_seq_client_info_t *ptr) |
frees a previously allocated snd_seq_client_info_t | |
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 | |
int | snd_seq_client_info_get_client (const snd_seq_client_info_t *info) |
Get client id of a client_info container. | |
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. | |
const char * | snd_seq_client_info_get_name (snd_seq_client_info_t *info) |
Get the name of a client_info container. | |
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. | |
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. | |
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 | |
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. | |
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. | |
void | snd_seq_client_info_set_client (snd_seq_client_info_t *info, int client) |
Set the client id of a client_info container. | |
void | snd_seq_client_info_set_name (snd_seq_client_info_t *info, const char *name) |
Set the name of a client_info container. | |
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. | |
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. | |
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 | |
void | snd_seq_client_info_event_filter_clear (snd_seq_client_info_t *info) |
Disable event filtering of a client_info container. | |
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. | |
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. | |
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. | |
int | snd_seq_get_client_info (snd_seq_t *handle, snd_seq_client_info_t *info) |
obtain the current client information | |
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 | |
int | snd_seq_set_client_info (snd_seq_t *handle, snd_seq_client_info_t *info) |
set the current client information | |
int | snd_seq_query_next_client (snd_seq_t *handle, snd_seq_client_info_t *info) |
query the next client | |
size_t | snd_seq_client_pool_sizeof (void) |
get size of snd_seq_client_pool_t | |
int | snd_seq_client_pool_malloc (snd_seq_client_pool_t **ptr) |
allocate an empty snd_seq_client_pool_t using standard malloc | |
void | snd_seq_client_pool_free (snd_seq_client_pool_t *ptr) |
frees a previously allocated snd_seq_client_pool_t | |
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 | |
int | snd_seq_client_pool_get_client (const snd_seq_client_pool_t *info) |
Get the client id of a queue_info container. | |
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. | |
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. | |
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. | |
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. | |
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. | |
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. | |
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. | |
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. | |
int | snd_seq_get_client_pool (snd_seq_t *handle, snd_seq_client_pool_t *info) |
obtain the pool information of the current client | |
int | snd_seq_set_client_pool (snd_seq_t *handle, snd_seq_client_pool_t *info) |
set the pool information | |
size_t | snd_seq_port_info_sizeof (void) |
get size of snd_seq_port_info_t | |
int | snd_seq_port_info_malloc (snd_seq_port_info_t **ptr) |
allocate an empty snd_seq_port_info_t using standard malloc | |
void | snd_seq_port_info_free (snd_seq_port_info_t *ptr) |
frees a previously allocated snd_seq_port_info_t | |
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 | |
int | snd_seq_port_info_get_client (const snd_seq_port_info_t *info) |
Get client id of a port_info container. | |
int | snd_seq_port_info_get_port (const snd_seq_port_info_t *info) |
Get port id of a port_info container. | |
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. | |
const char * | snd_seq_port_info_get_name (const snd_seq_port_info_t *info) |
Get the name of a port_info container. | |
unsigned int | snd_seq_port_info_get_capability (const snd_seq_port_info_t *info) |
Get the capability bits of a port_info container. | |
unsigned int | snd_seq_port_info_get_type (const snd_seq_port_info_t *info) |
Get the type bits of a port_info container. | |
int | snd_seq_port_info_get_midi_channels (const snd_seq_port_info_t *info) |
Get the midi channels of a port_info container. | |
int | snd_seq_port_info_get_midi_voices (const snd_seq_port_info_t *info) |
Get the midi voices of a port_info container. | |
int | snd_seq_port_info_get_synth_voices (const snd_seq_port_info_t *info) |
Get the synth voices of a port_info container. | |
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. | |
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. | |
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. | |
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. | |
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. | |
int | snd_seq_port_info_get_timestamp_queue (const snd_seq_port_info_t *info) |
Get the queue id to update timestamps. | |
void | snd_seq_port_info_set_client (snd_seq_port_info_t *info, int client) |
Set the client id of a port_info container. | |
void | snd_seq_port_info_set_port (snd_seq_port_info_t *info, int port) |
Set the port id of a port_info container. | |
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. | |
void | snd_seq_port_info_set_name (snd_seq_port_info_t *info, const char *name) |
Set the name of a port_info container. | |
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 | |
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. | |
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 | |
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 | |
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 | |
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. | |
void | snd_seq_port_info_set_timestamping (snd_seq_port_info_t *info, int enable) |
Set the time-stamping mode of the given port. | |
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. | |
void | snd_seq_port_info_set_timestamp_queue (snd_seq_port_info_t *info, int queue) |
Set the queue id for timestamping. | |
int | snd_seq_create_port (snd_seq_t *handle, snd_seq_port_info_t *info) |
create a sequencer port on the current client | |
int | snd_seq_delete_port (snd_seq_t *handle, int port) |
delete a sequencer port on the current client | |
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 | |
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 | |
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 | |
int | snd_seq_query_next_port (snd_seq_t *handle, snd_seq_port_info_t *info) |
query the next matching port | |
size_t | snd_seq_port_subscribe_sizeof (void) |
get size of snd_seq_port_subscribe_t | |
int | snd_seq_port_subscribe_malloc (snd_seq_port_subscribe_t **ptr) |
allocate an empty snd_seq_port_subscribe_t using standard malloc | |
void | snd_seq_port_subscribe_free (snd_seq_port_subscribe_t *ptr) |
frees a previously allocated snd_seq_port_subscribe_t | |
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 | |
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. | |
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. | |
int | snd_seq_port_subscribe_get_queue (const snd_seq_port_subscribe_t *info) |
Get the queue id of a port_subscribe container. | |
int | snd_seq_port_subscribe_get_exclusive (const snd_seq_port_subscribe_t *info) |
Get the exclusive mode of a port_subscribe container. | |
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. | |
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. | |
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. | |
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. | |
void | snd_seq_port_subscribe_set_queue (snd_seq_port_subscribe_t *info, int q) |
Set the queue id of a port_subscribe container. | |
void | snd_seq_port_subscribe_set_exclusive (snd_seq_port_subscribe_t *info, int val) |
Set the exclusive mode of a port_subscribe container. | |
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. | |
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. | |
int | snd_seq_get_port_subscription (snd_seq_t *handle, snd_seq_port_subscribe_t *sub) |
obtain subscription information | |
int | snd_seq_subscribe_port (snd_seq_t *handle, snd_seq_port_subscribe_t *sub) |
subscribe a port connection | |
int | snd_seq_unsubscribe_port (snd_seq_t *handle, snd_seq_port_subscribe_t *sub) |
unsubscribe a connection between ports | |
size_t | snd_seq_query_subscribe_sizeof (void) |
get size of snd_seq_query_subscribe_t | |
int | snd_seq_query_subscribe_malloc (snd_seq_query_subscribe_t **ptr) |
allocate an empty snd_seq_query_subscribe_t using standard malloc | |
void | snd_seq_query_subscribe_free (snd_seq_query_subscribe_t *ptr) |
frees a previously allocated snd_seq_query_subscribe_t | |
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 | |
int | snd_seq_query_subscribe_get_client (const snd_seq_query_subscribe_t *info) |
Get the client id of a query_subscribe container. | |
int | snd_seq_query_subscribe_get_port (const snd_seq_query_subscribe_t *info) |
Get the port id of a query_subscribe container. | |
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. | |
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. | |
int | snd_seq_query_subscribe_get_index (const snd_seq_query_subscribe_t *info) |
Get the index of subscriber of a query_subscribe container. | |
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. | |
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. | |
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. | |
int | snd_seq_query_subscribe_get_exclusive (const snd_seq_query_subscribe_t *info) |
Get the exclusive mode of a query_subscribe container. | |
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. | |
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. | |
void | snd_seq_query_subscribe_set_client (snd_seq_query_subscribe_t *info, int client) |
Set the client id of a query_subscribe container. | |
void | snd_seq_query_subscribe_set_port (snd_seq_query_subscribe_t *info, int port) |
Set the port id of a query_subscribe container. | |
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. | |
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. | |
void | snd_seq_query_subscribe_set_index (snd_seq_query_subscribe_t *info, int _index) |
Set the subscriber's index to be queried. | |
int | snd_seq_query_port_subscribers (snd_seq_t *seq, snd_seq_query_subscribe_t *subs) |
query port subscriber list | |
size_t | snd_seq_queue_info_sizeof (void) |
get size of snd_seq_queue_info_t | |
int | snd_seq_queue_info_malloc (snd_seq_queue_info_t **ptr) |
allocate an empty snd_seq_queue_info_t using standard malloc | |
void | snd_seq_queue_info_free (snd_seq_queue_info_t *ptr) |
frees a previously allocated snd_seq_queue_info_t | |
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 | |
int | snd_seq_queue_info_get_queue (const snd_seq_queue_info_t *info) |
Get the queue id of a queue_info container. | |
const char * | snd_seq_queue_info_get_name (const snd_seq_queue_info_t *info) |
Get the name of a queue_info container. | |
int | snd_seq_queue_info_get_owner (const snd_seq_queue_info_t *info) |
Get the owner client id of a queue_info container. | |
int | snd_seq_queue_info_get_locked (const snd_seq_queue_info_t *info) |
Get the lock status of a queue_info container. | |
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. | |
void | snd_seq_queue_info_set_name (snd_seq_queue_info_t *info, const char *name) |
Set the name of a queue_info container. | |
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. | |
void | snd_seq_queue_info_set_locked (snd_seq_queue_info_t *info, int locked) |
Set the lock status of a queue_info container. | |
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. | |
int | snd_seq_create_queue (snd_seq_t *seq, snd_seq_queue_info_t *info) |
create a queue | |
int | snd_seq_alloc_named_queue (snd_seq_t *seq, const char *name) |
allocate a queue with the specified name | |
int | snd_seq_alloc_queue (snd_seq_t *handle) |
allocate a queue | |
int | snd_seq_free_queue (snd_seq_t *handle, int q) |
delete the specified queue | |
int | snd_seq_get_queue_info (snd_seq_t *seq, int q, snd_seq_queue_info_t *info) |
obtain queue attributes | |
int | snd_seq_set_queue_info (snd_seq_t *seq, int q, snd_seq_queue_info_t *info) |
change the queue attributes | |
int | snd_seq_query_named_queue (snd_seq_t *seq, const char *name) |
query the matching queue with the specified name | |
int | snd_seq_get_queue_usage (snd_seq_t *handle, int q) |
Get the queue usage flag to the client. | |
int | snd_seq_set_queue_usage (snd_seq_t *handle, int q, int used) |
Set the queue usage flag to the client. | |
size_t | snd_seq_queue_status_sizeof (void) |
get size of snd_seq_queue_status_t | |
int | snd_seq_queue_status_malloc (snd_seq_queue_status_t **ptr) |
allocate an empty snd_seq_queue_status_t using standard malloc | |
void | snd_seq_queue_status_free (snd_seq_queue_status_t *ptr) |
frees a previously allocated snd_seq_queue_status_t | |
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 | |
int | snd_seq_queue_status_get_queue (const snd_seq_queue_status_t *info) |
Get the queue id of a queue_status container. | |
int | snd_seq_queue_status_get_events (const snd_seq_queue_status_t *info) |
Get the number of events of a queue_status container. | |
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. | |
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. | |
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. | |
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 | |
size_t | snd_seq_queue_tempo_sizeof (void) |
get size of snd_seq_queue_tempo_t | |
int | snd_seq_queue_tempo_malloc (snd_seq_queue_tempo_t **ptr) |
allocate an empty snd_seq_queue_tempo_t using standard malloc | |
void | snd_seq_queue_tempo_free (snd_seq_queue_tempo_t *ptr) |
frees a previously allocated snd_seq_queue_tempo_t | |
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 | |
int | snd_seq_queue_tempo_get_queue (const snd_seq_queue_tempo_t *info) |
Get the queue id of a queue_status container. | |
unsigned int | snd_seq_queue_tempo_get_tempo (const snd_seq_queue_tempo_t *info) |
Get the tempo of a queue_status container. | |
int | snd_seq_queue_tempo_get_ppq (const snd_seq_queue_tempo_t *info) |
Get the ppq of a queue_status container. | |
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. | |
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. | |
void | snd_seq_queue_tempo_set_tempo (snd_seq_queue_tempo_t *info, unsigned int tempo) |
Set the tempo of a queue_status container. | |
void | snd_seq_queue_tempo_set_ppq (snd_seq_queue_tempo_t *info, int ppq) |
Set the ppq of a queue_status container. | |
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. | |
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. | |
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 | |
int | snd_seq_set_queue_tempo (snd_seq_t *handle, int q, snd_seq_queue_tempo_t *tempo) |
set the tempo of the queue | |
size_t | snd_seq_queue_timer_sizeof (void) |
get size of snd_seq_queue_timer_t | |
int | snd_seq_queue_timer_malloc (snd_seq_queue_timer_t **ptr) |
allocate an empty snd_seq_queue_timer_t using standard malloc | |
void | snd_seq_queue_timer_free (snd_seq_queue_timer_t *ptr) |
frees a previously allocated snd_seq_queue_timer_t | |
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 | |
int | snd_seq_queue_timer_get_queue (const snd_seq_queue_timer_t *info) |
Get the queue id of a queue_timer container. | |
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. | |
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. | |
unsigned int | snd_seq_queue_timer_get_resolution (const snd_seq_queue_timer_t *info) |
Get the timer resolution of a queue_timer container. | |
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. | |
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. | |
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. | |
int | snd_seq_get_queue_timer (snd_seq_t *handle, int q, snd_seq_queue_timer_t *timer) |
obtain the queue timer information | |
int | snd_seq_set_queue_timer (snd_seq_t *handle, int q, snd_seq_queue_timer_t *timer) |
set the queue timer information | |
int | snd_seq_free_event (snd_seq_event_t *ev) |
(DEPRECATED) free an event | |
ssize_t | snd_seq_event_length (snd_seq_event_t *ev) |
calculates the (encoded) byte-stream size of the event | |
int | snd_seq_event_output (snd_seq_t *handle, snd_seq_event_t *ev) |
output an event | |
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 | |
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 | |
int | snd_seq_event_input (snd_seq_t *handle, snd_seq_event_t **ev) |
retrieve an event from sequencer | |
int | snd_seq_event_input_pending (snd_seq_t *seq, int fetch_sequencer) |
check events in input buffer | |
int | snd_seq_drain_output (snd_seq_t *handle) |
drain output buffer to sequencer | |
int | snd_seq_event_output_pending (snd_seq_t *seq) |
return the size of pending events on output buffer | |
int | snd_seq_extract_output (snd_seq_t *handle, snd_seq_event_t **ev) |
extract the first event in output buffer | |
int | snd_seq_drop_output (snd_seq_t *handle) |
remove all events on output buffer | |
int | snd_seq_drop_output_buffer (snd_seq_t *handle) |
remove all events on user-space output buffer | |
int | snd_seq_drop_input (snd_seq_t *handle) |
clear input buffer and and remove events in sequencer queue | |
int | snd_seq_drop_input_buffer (snd_seq_t *handle) |
remove all events on user-space input FIFO | |
size_t | snd_seq_remove_events_sizeof (void) |
get size of snd_seq_remove_events_t | |
int | snd_seq_remove_events_malloc (snd_seq_remove_events_t **ptr) |
allocate an empty snd_seq_remove_events_t using standard malloc | |
void | snd_seq_remove_events_free (snd_seq_remove_events_t *ptr) |
frees a previously allocated snd_seq_remove_events_t | |
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 | |
unsigned int | snd_seq_remove_events_get_condition (const snd_seq_remove_events_t *info) |
Get the removal condition bits. | |
int | snd_seq_remove_events_get_queue (const snd_seq_remove_events_t *info) |
Get the queue as removal condition. | |
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. | |
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. | |
int | snd_seq_remove_events_get_channel (const snd_seq_remove_events_t *info) |
Get the event channel as removal condition. | |
int | snd_seq_remove_events_get_event_type (const snd_seq_remove_events_t *info) |
Get the event type as removal condition. | |
int | snd_seq_remove_events_get_tag (const snd_seq_remove_events_t *info) |
Get the event tag id as removal condition. | |
void | snd_seq_remove_events_set_condition (snd_seq_remove_events_t *info, unsigned int flags) |
Set the removal condition bits. | |
void | snd_seq_remove_events_set_queue (snd_seq_remove_events_t *info, int queue) |
Set the queue as removal condition. | |
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. | |
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. | |
void | snd_seq_remove_events_set_channel (snd_seq_remove_events_t *info, int channel) |
Set the channel as removal condition. | |
void | snd_seq_remove_events_set_event_type (snd_seq_remove_events_t *info, int type) |
Set the event type as removal condition. | |
void | snd_seq_remove_events_set_tag (snd_seq_remove_events_t *info, int tag) |
Set the event tag as removal condition. | |
int | snd_seq_remove_events (snd_seq_t *handle, snd_seq_remove_events_t *info) |
remove events on input/output buffers and pools | |
void | snd_seq_set_bit (int nr, void *array) |
set a bit flag | |
void | snd_seq_unset_bit (int nr, void *array) |
unset a bit flag | |
int | snd_seq_change_bit (int nr, void *array) |
change a bit flag | |
int | snd_seq_get_bit (int nr, void *array) |
get a bit flag state | |
Variables | |
const unsigned int | snd_seq_event_types [] |
Application interface library for the ALSA driver.