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Added encapsulation for timer interface

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This commit is contained in:
Jaroslav Kysela 2001-07-16 13:33:55 +00:00
parent bf858b7312
commit 24945eca0c
5 changed files with 577 additions and 21 deletions
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77
include/timer.h
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@ -11,16 +11,14 @@
* \{
*/
/** timer identification */
typedef struct sndrv_timer_id snd_timer_id_t;
/** timer select structure */
typedef struct sndrv_timer_select snd_timer_select_t;
/** timer identification structure */
typedef struct _snd_timer_id snd_timer_id_t;
/** timer info structure */
typedef struct sndrv_timer_info snd_timer_info_t;
/** timer parameters structure */
typedef struct sndrv_timer_params snd_timer_params_t;
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 sndrv_timer_status snd_timer_status_t;
typedef struct _snd_timer_status snd_timer_status_t;
/** timer read structure */
typedef struct sndrv_timer_read snd_timer_read_t;
@ -48,11 +46,6 @@ typedef enum _snd_timer_slave_class {
/** global timer - RTC */
#define SND_TIMER_GLOBAL_RTC SNDRV_TIMER_GLOBAL_RTC
/** timer cannot be controlled */
#define SND_TIMER_FLG_SLAVE SNDRV_TIMER_FLG_SLAVE
/** timer supports auto-start */
#define SND_TIMER_PSFLG_AUTO SNDRV_TIMER_PSFLG_AUTO
/** timer open mode flag - nonblock */
#define SND_TIMER_OPEN_NONBLOCK 1
@ -91,6 +84,64 @@ int snd_timer_stop(snd_timer_t *handle);
int snd_timer_continue(snd_timer_t *handle);
ssize_t snd_timer_read(snd_timer_t *handle, void *buffer, size_t size);
size_t snd_timer_id_sizeof(void);
/** allocate #snd_timer_id_t container on stack */
#define snd_timer_id_alloca(ptr) do { assert(ptr); *ptr = (snd_timer_id_t *) alloca(snd_timer_id_sizeof()); memset(*ptr, 0, snd_timer_id_sizeof()); } while (0)
int snd_timer_id_malloc(snd_timer_id_t **ptr);
void snd_timer_id_free(snd_timer_id_t *obj);
void snd_timer_id_copy(snd_timer_id_t *dst, const snd_timer_id_t *src);
void snd_timer_id_set_class(snd_timer_id_t *id, int class);
int snd_timer_id_get_class(snd_timer_id_t *id);
void snd_timer_id_set_sclass(snd_timer_id_t *id, int sclass);
int snd_timer_id_get_sclass(snd_timer_id_t *id);
void snd_timer_id_set_card(snd_timer_id_t *id, int card);
int snd_timer_id_get_card(snd_timer_id_t *id);
void snd_timer_id_set_device(snd_timer_id_t *id, int device);
int snd_timer_id_get_device(snd_timer_id_t *id);
void snd_timer_id_set_subdevice(snd_timer_id_t *id, int subdevice);
int snd_timer_id_get_subdevice(snd_timer_id_t *id);
size_t snd_timer_info_sizeof(void);
/** allocate #snd_timer_info_t container on stack */
#define snd_timer_info_alloca(ptr) do { assert(ptr); *ptr = (snd_timer_info_t *) alloca(snd_timer_info_sizeof()); memset(*ptr, 0, snd_timer_info_sizeof()); } while (0)
int snd_timer_info_malloc(snd_timer_info_t **ptr);
void snd_timer_info_free(snd_timer_info_t *obj);
void snd_timer_info_copy(snd_timer_info_t *dst, const snd_timer_info_t *src);
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);
/** allocate #snd_timer_params_t container on stack */
#define snd_timer_params_alloca(ptr) do { assert(ptr); *ptr = (snd_timer_params_t *) alloca(snd_timer_params_sizeof()); memset(*ptr, 0, snd_timer_params_sizeof()); } while (0)
int snd_timer_params_malloc(snd_timer_params_t **ptr);
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);
void snd_timer_params_set_ticks(snd_timer_params_t * params, long ticks);
int 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);
size_t snd_timer_status_sizeof(void);
/** allocate #snd_timer_status_t container on stack */
#define snd_timer_status_alloca(ptr) do { assert(ptr); *ptr = (snd_timer_status_t *) alloca(snd_timer_status_sizeof()); memset(*ptr, 0, snd_timer_status_sizeof()); } while (0)
int snd_timer_status_malloc(snd_timer_status_t **ptr);
void snd_timer_status_free(snd_timer_status_t *obj);
void snd_timer_status_copy(snd_timer_status_t *dst, const snd_timer_status_t *src);
struct timeval snd_timer_status_get_timestamp(snd_timer_status_t * status);
long snd_timer_status_get_resolution(snd_timer_status_t * status);
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);
#ifdef __cplusplus
}
#endif