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00028 #ifndef __ALSA_TIMER_H
00029 #define __ALSA_TIMER_H
00030
00031 #ifdef __cplusplus
00032 extern "C" {
00033 #endif
00034
00042 #define SND_TIMER_DLSYM_VERSION _dlsym_timer_001
00043
00044 #define SND_TIMER_QUERY_DLSYM_VERSION _dlsym_timer_query_001
00045
00047 typedef struct _snd_timer_id snd_timer_id_t;
00049 typedef struct _snd_timer_ginfo snd_timer_ginfo_t;
00051 typedef struct _snd_timer_gparams snd_timer_gparams_t;
00053 typedef struct _snd_timer_gstatus snd_timer_gstatus_t;
00055 typedef struct _snd_timer_info snd_timer_info_t;
00057 typedef struct _snd_timer_params snd_timer_params_t;
00059 typedef struct _snd_timer_status snd_timer_status_t;
00061 typedef enum _snd_timer_class {
00062 SND_TIMER_CLASS_NONE = -1,
00063 SND_TIMER_CLASS_SLAVE = 0,
00064 SND_TIMER_CLASS_GLOBAL,
00065 SND_TIMER_CLASS_CARD,
00066 SND_TIMER_CLASS_PCM,
00067 SND_TIMER_CLASS_LAST = SND_TIMER_CLASS_PCM
00068 } snd_timer_class_t;
00069
00071 typedef enum _snd_timer_slave_class {
00072 SND_TIMER_SCLASS_NONE = 0,
00073 SND_TIMER_SCLASS_APPLICATION,
00074 SND_TIMER_SCLASS_SEQUENCER,
00075 SND_TIMER_SCLASS_OSS_SEQUENCER,
00076 SND_TIMER_SCLASS_LAST = SND_TIMER_SCLASS_OSS_SEQUENCER
00077 } snd_timer_slave_class_t;
00078
00080 typedef enum _snd_timer_event {
00081 SND_TIMER_EVENT_RESOLUTION = 0,
00082 SND_TIMER_EVENT_TICK,
00083 SND_TIMER_EVENT_START,
00084 SND_TIMER_EVENT_STOP,
00085 SND_TIMER_EVENT_CONTINUE,
00086 SND_TIMER_EVENT_PAUSE,
00087 SND_TIMER_EVENT_EARLY,
00088
00089 SND_TIMER_EVENT_MSTART = SND_TIMER_EVENT_START + 10,
00090 SND_TIMER_EVENT_MSTOP = SND_TIMER_EVENT_STOP + 10,
00091 SND_TIMER_EVENT_MCONTINUE = SND_TIMER_EVENT_CONTINUE + 10,
00092 SND_TIMER_EVENT_MPAUSE = SND_TIMER_EVENT_PAUSE + 10,
00093 } snd_timer_event_t;
00094
00096 typedef struct _snd_timer_read {
00097 unsigned int resolution;
00098 unsigned int ticks;
00099 } snd_timer_read_t;
00100
00102 typedef struct _snd_timer_tread {
00103 snd_timer_event_t event;
00104 snd_htimestamp_t tstamp;
00105 unsigned int val;
00106 } snd_timer_tread_t;
00107
00109 #define SND_TIMER_GLOBAL_SYSTEM 0
00110
00111 #define SND_TIMER_GLOBAL_RTC 1
00112
00113 #define SND_TIMER_GLOBAL_HPET 2
00114
00116 #define SND_TIMER_OPEN_NONBLOCK (1<<0)
00117
00118 #define SND_TIMER_OPEN_TREAD (1<<1)
00119
00121 typedef enum _snd_timer_type {
00123 SND_TIMER_TYPE_HW = 0,
00125 SND_TIMER_TYPE_SHM,
00127 SND_TIMER_TYPE_INET
00128 } snd_timer_type_t;
00129
00131 typedef struct _snd_timer_query snd_timer_query_t;
00133 typedef struct _snd_timer snd_timer_t;
00134
00135
00136 int snd_timer_query_open(snd_timer_query_t **handle, const char *name, int mode);
00137 int snd_timer_query_open_lconf(snd_timer_query_t **handle, const char *name, int mode, snd_config_t *lconf);
00138 int snd_timer_query_close(snd_timer_query_t *handle);
00139 int snd_timer_query_next_device(snd_timer_query_t *handle, snd_timer_id_t *tid);
00140 int snd_timer_query_info(snd_timer_query_t *handle, snd_timer_ginfo_t *info);
00141 int snd_timer_query_params(snd_timer_query_t *handle, snd_timer_gparams_t *params);
00142 int snd_timer_query_status(snd_timer_query_t *handle, snd_timer_gstatus_t *status);
00143
00144 int snd_timer_open(snd_timer_t **handle, const char *name, int mode);
00145 int snd_timer_open_lconf(snd_timer_t **handle, const char *name, int mode, snd_config_t *lconf);
00146 int snd_timer_close(snd_timer_t *handle);
00147 int snd_async_add_timer_handler(snd_async_handler_t **handler, snd_timer_t *timer,
00148 snd_async_callback_t callback, void *private_data);
00149 snd_timer_t *snd_async_handler_get_timer(snd_async_handler_t *handler);
00150 int snd_timer_poll_descriptors_count(snd_timer_t *handle);
00151 int snd_timer_poll_descriptors(snd_timer_t *handle, struct pollfd *pfds, unsigned int space);
00152 int snd_timer_poll_descriptors_revents(snd_timer_t *timer, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
00153 int snd_timer_info(snd_timer_t *handle, snd_timer_info_t *timer);
00154 int snd_timer_params(snd_timer_t *handle, snd_timer_params_t *params);
00155 int snd_timer_status(snd_timer_t *handle, snd_timer_status_t *status);
00156 int snd_timer_start(snd_timer_t *handle);
00157 int snd_timer_stop(snd_timer_t *handle);
00158 int snd_timer_continue(snd_timer_t *handle);
00159 ssize_t snd_timer_read(snd_timer_t *handle, void *buffer, size_t size);
00160
00161 size_t snd_timer_id_sizeof(void);
00163 #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)
00164 int snd_timer_id_malloc(snd_timer_id_t **ptr);
00165 void snd_timer_id_free(snd_timer_id_t *obj);
00166 void snd_timer_id_copy(snd_timer_id_t *dst, const snd_timer_id_t *src);
00167
00168 void snd_timer_id_set_class(snd_timer_id_t *id, int dev_class);
00169 int snd_timer_id_get_class(snd_timer_id_t *id);
00170 void snd_timer_id_set_sclass(snd_timer_id_t *id, int dev_sclass);
00171 int snd_timer_id_get_sclass(snd_timer_id_t *id);
00172 void snd_timer_id_set_card(snd_timer_id_t *id, int card);
00173 int snd_timer_id_get_card(snd_timer_id_t *id);
00174 void snd_timer_id_set_device(snd_timer_id_t *id, int device);
00175 int snd_timer_id_get_device(snd_timer_id_t *id);
00176 void snd_timer_id_set_subdevice(snd_timer_id_t *id, int subdevice);
00177 int snd_timer_id_get_subdevice(snd_timer_id_t *id);
00178
00179 size_t snd_timer_ginfo_sizeof(void);
00181 #define snd_timer_ginfo_alloca(ptr) do { assert(ptr); *ptr = (snd_timer_ginfo_t *) alloca(snd_timer_ginfo_sizeof()); memset(*ptr, 0, snd_timer_ginfo_sizeof()); } while (0)
00182 int snd_timer_ginfo_malloc(snd_timer_ginfo_t **ptr);
00183 void snd_timer_ginfo_free(snd_timer_ginfo_t *obj);
00184 void snd_timer_ginfo_copy(snd_timer_ginfo_t *dst, const snd_timer_ginfo_t *src);
00185
00186 int snd_timer_ginfo_set_tid(snd_timer_ginfo_t *obj, snd_timer_id_t *tid);
00187 snd_timer_id_t *snd_timer_ginfo_get_tid(snd_timer_ginfo_t *obj);
00188 unsigned int snd_timer_ginfo_get_flags(snd_timer_ginfo_t *obj);
00189 int snd_timer_ginfo_get_card(snd_timer_ginfo_t *obj);
00190 char *snd_timer_ginfo_get_id(snd_timer_ginfo_t *obj);
00191 char *snd_timer_ginfo_get_name(snd_timer_ginfo_t *obj);
00192 unsigned long snd_timer_ginfo_get_resolution(snd_timer_ginfo_t *obj);
00193 unsigned long snd_timer_ginfo_get_resolution_min(snd_timer_ginfo_t *obj);
00194 unsigned long snd_timer_ginfo_get_resolution_max(snd_timer_ginfo_t *obj);
00195 unsigned int snd_timer_ginfo_get_clients(snd_timer_ginfo_t *obj);
00196
00197 size_t snd_timer_info_sizeof(void);
00199 #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)
00200 int snd_timer_info_malloc(snd_timer_info_t **ptr);
00201 void snd_timer_info_free(snd_timer_info_t *obj);
00202 void snd_timer_info_copy(snd_timer_info_t *dst, const snd_timer_info_t *src);
00203
00204 int snd_timer_info_is_slave(snd_timer_info_t * info);
00205 int snd_timer_info_get_card(snd_timer_info_t * info);
00206 const char *snd_timer_info_get_id(snd_timer_info_t * info);
00207 const char *snd_timer_info_get_name(snd_timer_info_t * info);
00208 long snd_timer_info_get_resolution(snd_timer_info_t * info);
00209
00210 size_t snd_timer_params_sizeof(void);
00212 #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)
00213 int snd_timer_params_malloc(snd_timer_params_t **ptr);
00214 void snd_timer_params_free(snd_timer_params_t *obj);
00215 void snd_timer_params_copy(snd_timer_params_t *dst, const snd_timer_params_t *src);
00216
00217 int snd_timer_params_set_auto_start(snd_timer_params_t * params, int auto_start);
00218 int snd_timer_params_get_auto_start(snd_timer_params_t * params);
00219 int snd_timer_params_set_exclusive(snd_timer_params_t * params, int exclusive);
00220 int snd_timer_params_get_exclusive(snd_timer_params_t * params);
00221 int snd_timer_params_set_early_event(snd_timer_params_t * params, int early_event);
00222 int snd_timer_params_get_early_event(snd_timer_params_t * params);
00223 void snd_timer_params_set_ticks(snd_timer_params_t * params, long ticks);
00224 long snd_timer_params_get_ticks(snd_timer_params_t * params);
00225 void snd_timer_params_set_queue_size(snd_timer_params_t * params, long queue_size);
00226 long snd_timer_params_get_queue_size(snd_timer_params_t * params);
00227 void snd_timer_params_set_filter(snd_timer_params_t * params, unsigned int filter);
00228 unsigned int snd_timer_params_get_filter(snd_timer_params_t * params);
00229
00230 size_t snd_timer_status_sizeof(void);
00232 #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)
00233 int snd_timer_status_malloc(snd_timer_status_t **ptr);
00234 void snd_timer_status_free(snd_timer_status_t *obj);
00235 void snd_timer_status_copy(snd_timer_status_t *dst, const snd_timer_status_t *src);
00236
00237 snd_htimestamp_t snd_timer_status_get_timestamp(snd_timer_status_t * status);
00238 long snd_timer_status_get_resolution(snd_timer_status_t * status);
00239 long snd_timer_status_get_lost(snd_timer_status_t * status);
00240 long snd_timer_status_get_overrun(snd_timer_status_t * status);
00241 long snd_timer_status_get_queue(snd_timer_status_t * status);
00242
00243
00244 long snd_timer_info_get_ticks(snd_timer_info_t * info);
00245
00248 #ifdef __cplusplus
00249 }
00250 #endif
00251
00252 #endif