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.
Data Structures | |
struct | snd_timer_read_t |
struct | snd_timer_tread_t |
Macros | |
#define | SND_TIMER_DLSYM_VERSION _dlsym_timer_001 |
#define | SND_TIMER_QUERY_DLSYM_VERSION _dlsym_timer_query_001 |
#define | SND_TIMER_GLOBAL_SYSTEM 0 |
#define | SND_TIMER_GLOBAL_RTC 1 /* Obsoleted, due to enough legacy. */ |
#define | SND_TIMER_GLOBAL_HPET 2 |
#define | SND_TIMER_GLOBAL_HRTIMER 3 |
#define | SND_TIMER_OPEN_NONBLOCK (1<<0) |
#define | SND_TIMER_OPEN_TREAD (1<<1) |
#define | snd_timer_id_alloca(ptr) __snd_alloca(ptr, snd_timer_id) |
#define | snd_timer_ginfo_alloca(ptr) __snd_alloca(ptr, snd_timer_ginfo) |
#define | snd_timer_info_alloca(ptr) __snd_alloca(ptr, snd_timer_info) |
#define | snd_timer_params_alloca(ptr) __snd_alloca(ptr, snd_timer_params) |
#define | snd_timer_status_alloca(ptr) __snd_alloca(ptr, snd_timer_status) |
Typedefs | |
typedef struct _snd_timer_id | snd_timer_id_t |
typedef struct _snd_timer_ginfo | snd_timer_ginfo_t |
typedef struct _snd_timer_gparams | snd_timer_gparams_t |
typedef struct _snd_timer_gstatus | snd_timer_gstatus_t |
typedef struct _snd_timer_info | snd_timer_info_t |
typedef struct _snd_timer_params | snd_timer_params_t |
typedef struct _snd_timer_status | snd_timer_status_t |
typedef struct _snd_timer_query | snd_timer_query_t |
typedef struct _snd_timer | snd_timer_t |
Enumerations | |
enum | snd_timer_class_t { SND_TIMER_CLASS_NONE = -1 , SND_TIMER_CLASS_SLAVE = 0 , SND_TIMER_CLASS_GLOBAL , SND_TIMER_CLASS_CARD , SND_TIMER_CLASS_PCM , SND_TIMER_CLASS_LAST = SND_TIMER_CLASS_PCM } |
enum | snd_timer_slave_class_t { SND_TIMER_SCLASS_NONE = 0 , SND_TIMER_SCLASS_APPLICATION , SND_TIMER_SCLASS_SEQUENCER , SND_TIMER_SCLASS_OSS_SEQUENCER , SND_TIMER_SCLASS_LAST = SND_TIMER_SCLASS_OSS_SEQUENCER } |
enum | snd_timer_event_t { SND_TIMER_EVENT_RESOLUTION = 0 , SND_TIMER_EVENT_TICK , SND_TIMER_EVENT_START , SND_TIMER_EVENT_STOP , SND_TIMER_EVENT_CONTINUE , SND_TIMER_EVENT_PAUSE , SND_TIMER_EVENT_EARLY , SND_TIMER_EVENT_SUSPEND , SND_TIMER_EVENT_RESUME , SND_TIMER_EVENT_MSTART = SND_TIMER_EVENT_START + 10 , SND_TIMER_EVENT_MSTOP = SND_TIMER_EVENT_STOP + 10 , SND_TIMER_EVENT_MCONTINUE = SND_TIMER_EVENT_CONTINUE + 10 , SND_TIMER_EVENT_MPAUSE = SND_TIMER_EVENT_PAUSE + 10 , SND_TIMER_EVENT_MSUSPEND = SND_TIMER_EVENT_SUSPEND + 10 , SND_TIMER_EVENT_MRESUME = SND_TIMER_EVENT_RESUME + 10 } |
enum | snd_timer_type_t { SND_TIMER_TYPE_HW = 0 , SND_TIMER_TYPE_SHM , SND_TIMER_TYPE_INET } |
Functions | |
int | snd_timer_query_open (snd_timer_query_t **handle, const char *name, int mode) |
Opens a new connection to the timer query interface. More... | |
int | snd_timer_query_open_lconf (snd_timer_query_t **handle, const char *name, int mode, snd_config_t *lconf) |
Opens a new connection to the timer query interface using local configuration. More... | |
int | snd_timer_query_close (snd_timer_query_t *handle) |
close timer query handle More... | |
int | snd_timer_query_next_device (snd_timer_query_t *handle, snd_timer_id_t *tid) |
obtain the next timer identification More... | |
int | snd_timer_query_info (snd_timer_query_t *handle, snd_timer_ginfo_t *info) |
obtain the timer global information More... | |
int | snd_timer_query_params (snd_timer_query_t *handle, snd_timer_gparams_t *params) |
set the timer global parameters More... | |
int | snd_timer_query_status (snd_timer_query_t *handle, snd_timer_gstatus_t *status) |
get the timer global status More... | |
int | snd_timer_open (snd_timer_t **handle, const char *name, int mode) |
Opens a new connection to the timer interface. More... | |
int | snd_timer_open_lconf (snd_timer_t **handle, const char *name, int mode, snd_config_t *lconf) |
Opens a new connection to the timer interface using local configuration. More... | |
int | snd_timer_close (snd_timer_t *handle) |
close timer handle More... | |
int | snd_async_add_timer_handler (snd_async_handler_t **handler, snd_timer_t *timer, snd_async_callback_t callback, void *private_data) |
Add an async handler for a timer. More... | |
snd_timer_t * | snd_async_handler_get_timer (snd_async_handler_t *handler) |
Return timer handle related to an async handler. More... | |
int | snd_timer_poll_descriptors_count (snd_timer_t *handle) |
get count of poll descriptors for timer handle More... | |
int | snd_timer_poll_descriptors (snd_timer_t *handle, struct pollfd *pfds, unsigned int space) |
get poll descriptors More... | |
int | snd_timer_poll_descriptors_revents (snd_timer_t *timer, struct pollfd *pfds, unsigned int nfds, unsigned short *revents) |
get returned events from poll descriptors More... | |
int | snd_timer_info (snd_timer_t *handle, snd_timer_info_t *timer) |
get information about timer handle More... | |
int | snd_timer_params (snd_timer_t *handle, snd_timer_params_t *params) |
set parameters for timer handle More... | |
int | snd_timer_status (snd_timer_t *handle, snd_timer_status_t *status) |
get status from timer handle More... | |
int | snd_timer_start (snd_timer_t *handle) |
start the timer More... | |
int | snd_timer_stop (snd_timer_t *handle) |
stop the timer More... | |
int | snd_timer_continue (snd_timer_t *handle) |
continue the timer More... | |
ssize_t | snd_timer_read (snd_timer_t *handle, void *buffer, size_t size) |
read bytes using timer handle More... | |
size_t | snd_timer_id_sizeof (void) |
get size of the snd_timer_id_t structure in bytes More... | |
int | snd_timer_id_malloc (snd_timer_id_t **ptr) |
allocate a new snd_timer_id_t structure More... | |
void | snd_timer_id_free (snd_timer_id_t *obj) |
frees the snd_timer_id_t structure More... | |
void | snd_timer_id_copy (snd_timer_id_t *dst, const snd_timer_id_t *src) |
copy one snd_timer_id_t structure to another More... | |
void | snd_timer_id_set_class (snd_timer_id_t *id, int dev_class) |
set timer class More... | |
int | snd_timer_id_get_class (snd_timer_id_t *id) |
get timer class More... | |
void | snd_timer_id_set_sclass (snd_timer_id_t *id, int dev_sclass) |
set timer sub-class More... | |
int | snd_timer_id_get_sclass (snd_timer_id_t *id) |
get timer sub-class More... | |
void | snd_timer_id_set_card (snd_timer_id_t *id, int card) |
set timer card More... | |
int | snd_timer_id_get_card (snd_timer_id_t *id) |
get timer card More... | |
void | snd_timer_id_set_device (snd_timer_id_t *id, int device) |
set timer device More... | |
int | snd_timer_id_get_device (snd_timer_id_t *id) |
get timer device More... | |
void | snd_timer_id_set_subdevice (snd_timer_id_t *id, int subdevice) |
set timer subdevice More... | |
int | snd_timer_id_get_subdevice (snd_timer_id_t *id) |
get timer subdevice More... | |
size_t | snd_timer_ginfo_sizeof (void) |
get size of the snd_timer_ginfo_t structure in bytes More... | |
int | snd_timer_ginfo_malloc (snd_timer_ginfo_t **ptr) |
allocate a new snd_timer_ginfo_t structure More... | |
void | snd_timer_ginfo_free (snd_timer_ginfo_t *obj) |
frees the snd_timer_ginfo_t structure More... | |
void | snd_timer_ginfo_copy (snd_timer_ginfo_t *dst, const snd_timer_ginfo_t *src) |
copy one snd_timer_info_t structure to another More... | |
int | snd_timer_ginfo_set_tid (snd_timer_ginfo_t *obj, snd_timer_id_t *tid) |
set timer identification More... | |
snd_timer_id_t * | snd_timer_ginfo_get_tid (snd_timer_ginfo_t *obj) |
get timer identification More... | |
unsigned int | snd_timer_ginfo_get_flags (snd_timer_ginfo_t *obj) |
get timer flags More... | |
int | snd_timer_ginfo_get_card (snd_timer_ginfo_t *obj) |
get associated card with timer More... | |
char * | snd_timer_ginfo_get_id (snd_timer_ginfo_t *obj) |
get timer identification More... | |
char * | snd_timer_ginfo_get_name (snd_timer_ginfo_t *obj) |
get timer name More... | |
unsigned long | snd_timer_ginfo_get_resolution (snd_timer_ginfo_t *obj) |
get timer resolution in ns More... | |
unsigned long | snd_timer_ginfo_get_resolution_min (snd_timer_ginfo_t *obj) |
get timer minimal resolution in ns More... | |
unsigned long | snd_timer_ginfo_get_resolution_max (snd_timer_ginfo_t *obj) |
get timer maximal resolution in ns More... | |
unsigned int | snd_timer_ginfo_get_clients (snd_timer_ginfo_t *obj) |
get current timer clients More... | |
size_t | snd_timer_info_sizeof (void) |
get size of the snd_timer_info_t structure in bytes More... | |
int | snd_timer_info_malloc (snd_timer_info_t **ptr) |
allocate a new snd_timer_info_t structure More... | |
void | snd_timer_info_free (snd_timer_info_t *obj) |
frees the snd_timer_info_t structure More... | |
void | snd_timer_info_copy (snd_timer_info_t *dst, const snd_timer_info_t *src) |
copy one snd_timer_info_t structure to another More... | |
int | snd_timer_info_is_slave (snd_timer_info_t *info) |
determine, if timer is slave More... | |
int | snd_timer_info_get_card (snd_timer_info_t *info) |
get timer card More... | |
const char * | snd_timer_info_get_id (snd_timer_info_t *info) |
get timer id More... | |
const char * | snd_timer_info_get_name (snd_timer_info_t *info) |
get timer name More... | |
long | snd_timer_info_get_resolution (snd_timer_info_t *info) |
get timer resolution in us More... | |
size_t | snd_timer_params_sizeof (void) |
get size of the snd_timer_params_t structure in bytes More... | |
int | snd_timer_params_malloc (snd_timer_params_t **ptr) |
allocate a new snd_timer_params_t structure More... | |
void | snd_timer_params_free (snd_timer_params_t *obj) |
frees the snd_timer_params_t structure More... | |
void | snd_timer_params_copy (snd_timer_params_t *dst, const snd_timer_params_t *src) |
copy one snd_timer_params_t structure to another More... | |
int | snd_timer_params_set_auto_start (snd_timer_params_t *params, int auto_start) |
set timer auto start More... | |
int | snd_timer_params_get_auto_start (snd_timer_params_t *params) |
determine if timer has auto start flag More... | |
int | snd_timer_params_set_exclusive (snd_timer_params_t *params, int exclusive) |
set timer exclusive use More... | |
int | snd_timer_params_get_exclusive (snd_timer_params_t *params) |
determine if timer has exclusive flag More... | |
int | snd_timer_params_set_early_event (snd_timer_params_t *params, int early_event) |
set timer early event More... | |
int | snd_timer_params_get_early_event (snd_timer_params_t *params) |
determine if timer has early event flag More... | |
void | snd_timer_params_set_ticks (snd_timer_params_t *params, long ticks) |
set timer ticks More... | |
long | snd_timer_params_get_ticks (snd_timer_params_t *params) |
get timer ticks More... | |
void | snd_timer_params_set_queue_size (snd_timer_params_t *params, long queue_size) |
set timer queue size (32-1024) More... | |
long | snd_timer_params_get_queue_size (snd_timer_params_t *params) |
get queue size More... | |
void | snd_timer_params_set_filter (snd_timer_params_t *params, unsigned int filter) |
set timer event filter More... | |
unsigned int | snd_timer_params_get_filter (snd_timer_params_t *params) |
get timer event filter More... | |
size_t | snd_timer_status_sizeof (void) |
get size of the snd_timer_status_t structure in bytes More... | |
int | snd_timer_status_malloc (snd_timer_status_t **ptr) |
allocate a new snd_timer_status_t structure More... | |
void | snd_timer_status_free (snd_timer_status_t *obj) |
frees the snd_timer_status_t structure More... | |
void | snd_timer_status_copy (snd_timer_status_t *dst, const snd_timer_status_t *src) |
copy one snd_timer_status_t structure to another More... | |
snd_htimestamp_t | snd_timer_status_get_timestamp (snd_timer_status_t *status) |
get timestamp More... | |
long | snd_timer_status_get_resolution (snd_timer_status_t *status) |
get resolution in us More... | |
long | snd_timer_status_get_lost (snd_timer_status_t *status) |
get master tick lost count More... | |
long | snd_timer_status_get_overrun (snd_timer_status_t *status) |
get overrun count More... | |
long | snd_timer_status_get_queue (snd_timer_status_t *status) |
get count of used queue elements More... | |
long | snd_timer_info_get_ticks (snd_timer_info_t *info) |
(DEPRECATED) get maximum timer ticks More... | |
Application interface library for the ALSA driver.
Application interface library for the ALSA driver