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Updated to new timer API

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This commit is contained in:
Jaroslav Kysela 2003-03-04 20:01:06 +00:00
parent 6a949ee804
commit 9c084c4ba6
8 changed files with 234 additions and 18 deletions
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56
include/timer.h
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@ -45,18 +45,18 @@ extern "C" {
/** timer identification structure */
typedef struct _snd_timer_id snd_timer_id_t;
/** timer global info structure */
typedef struct _snd_timer_ginfo snd_timer_ginfo_t;
/** timer global params structure */
typedef struct _snd_timer_gparams snd_timer_gparams_t;
/** timer global status structure */
typedef struct _snd_timer_gstatus snd_timer_gstatus_t;
/** timer info structure */
typedef struct _snd_timer_info snd_timer_info_t;
/** timer params structure */
typedef struct _snd_timer_params snd_timer_params_t;
/** timer status structure */
typedef struct _snd_timer_status snd_timer_status_t;
/** timer read structure */
typedef struct _snd_timer_read {
unsigned int resolution; /**< tick resolution in nanoseconds */
unsigned int ticks; /**< count of happened ticks */
} snd_timer_read_t;
/** timer master class */
typedef enum _snd_timer_class {
SND_TIMER_CLASS_NONE = -1, /**< invalid */
@ -76,13 +76,43 @@ typedef enum _snd_timer_slave_class {
SND_TIMER_SCLASS_LAST = SND_TIMER_SCLASS_OSS_SEQUENCER /**< last slave timer */
} snd_timer_slave_class_t;
/** timer read event identification */
typedef enum _snd_timer_event {
SND_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */
SND_TIMER_EVENT_TICK, /* val = ticks */
SND_TIMER_EVENT_START, /* val = resolution in ns */
SND_TIMER_EVENT_STOP, /* val = 0 */
SND_TIMER_EVENT_CONTINUE, /* val = resolution in ns */
SND_TIMER_EVENT_PAUSE, /* val = 0 */
/* master timer events for slave timer instances */
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_t;
/** timer read structure */
typedef struct _snd_timer_read {
unsigned int resolution; /**< tick resolution in nanoseconds */
unsigned int ticks; /**< count of happened ticks */
} snd_timer_read_t;
/** timer tstamp + event read structure */
typedef struct _snd_timer_tread {
snd_timer_event_t event;
snd_htimestamp_t tstamp;
unsigned int val;
} snd_timer_tread_t;
/** global timer - system */
#define SND_TIMER_GLOBAL_SYSTEM 0
/** global timer - RTC */
#define SND_TIMER_GLOBAL_RTC 1
/** timer open mode flag - non-blocking behaviour */
#define SND_TIMER_OPEN_NONBLOCK 0x0001
#define SND_TIMER_OPEN_NONBLOCK (1<<0)
/** use timestamps and event notification - enhanced read */
#define SND_TIMER_OPEN_TREAD (1<<1)
/** timer handle type */
typedef enum _snd_timer_type {
@ -104,6 +134,9 @@ int snd_timer_query_open(snd_timer_query_t **handle, const char *name, int mode)
int snd_timer_query_open_lconf(snd_timer_query_t **handle, const char *name, int mode, snd_config_t *lconf);
int snd_timer_query_close(snd_timer_query_t *handle);
int snd_timer_query_next_device(snd_timer_query_t *handle, snd_timer_id_t *tid);
int snd_timer_query_info(snd_timer_query_t *handle, snd_timer_ginfo_t *info);
int snd_timer_query_params(snd_timer_query_t *handle, snd_timer_gparams_t *params);
int snd_timer_query_status(snd_timer_query_t *handle, snd_timer_gstatus_t *status);
int snd_timer_open(snd_timer_t **handle, const char *name, int mode);
int snd_timer_open_lconf(snd_timer_t **handle, const char *name, int mode, snd_config_t *lconf);
@ -148,7 +181,6 @@ int snd_timer_info_is_slave(snd_timer_info_t * info);
int snd_timer_info_get_card(snd_timer_info_t * info);
const char *snd_timer_info_get_id(snd_timer_info_t * info);
const char *snd_timer_info_get_name(snd_timer_info_t * info);
long snd_timer_info_get_ticks(snd_timer_info_t * info);
long snd_timer_info_get_resolution(snd_timer_info_t * info);
size_t snd_timer_params_sizeof(void);
@ -159,10 +191,15 @@ void snd_timer_params_free(snd_timer_params_t *obj);
void snd_timer_params_copy(snd_timer_params_t *dst, const snd_timer_params_t *src);
void snd_timer_params_set_auto_start(snd_timer_params_t * params, int auto_start);
int snd_timer_params_get_auto_start(snd_timer_params_t * params);
void snd_timer_params_set_exclusive(snd_timer_params_t * params, int exclusive);
int snd_timer_params_get_exclusive(snd_timer_params_t * params);
void snd_timer_params_set_ticks(snd_timer_params_t * params, long ticks);
long snd_timer_params_get_ticks(snd_timer_params_t * params);
void snd_timer_params_set_queue_size(snd_timer_params_t * params, long queue_size);
long snd_timer_params_get_queue_size(snd_timer_params_t * params);
void snd_timer_params_set_filter(snd_timer_params_t * params, unsigned int filter);
unsigned int snd_timer_params_get_filter(snd_timer_params_t * params);
size_t snd_timer_status_sizeof(void);
/** allocate #snd_timer_status_t container on stack */
@ -177,6 +214,9 @@ long snd_timer_status_get_lost(snd_timer_status_t * status);
long snd_timer_status_get_overrun(snd_timer_status_t * status);
long snd_timer_status_get_queue(snd_timer_status_t * status);
/* deprecated functions, for compatibility */
long snd_timer_info_get_ticks(snd_timer_info_t * info);
/** \} */
#ifdef __cplusplus