#include <sound/timer.h>
#include <sound/seq_kernel.h>
-typedef struct {
+struct snd_seq_timer_tick {
snd_seq_tick_time_t cur_tick; /* current tick */
unsigned long resolution; /* time per tick in nsec */
unsigned long fraction; /* current time per tick in nsec */
-} seq_timer_tick_t;
+};
-typedef struct {
+struct snd_seq_timer {
/* ... tempo / offset / running state */
unsigned int running:1, /* running state of queue */
int ppq; /* time resolution, ticks/quarter */
snd_seq_real_time_t cur_time; /* current time */
- seq_timer_tick_t tick; /* current tick */
+ struct snd_seq_timer_tick tick; /* current tick */
int tick_updated;
int type; /* timer type */
- snd_timer_id_t alsa_id; /* ALSA's timer ID */
- snd_timer_instance_t *timeri; /* timer instance */
+ struct snd_timer_id alsa_id; /* ALSA's timer ID */
+ struct snd_timer_instance *timeri; /* timer instance */
unsigned int ticks;
unsigned long preferred_resolution; /* timer resolution, ticks/sec */
struct timeval last_update; /* time of last clock update, used for interpolation */
spinlock_t lock;
-} seq_timer_t;
+};
/* create new timer (constructor) */
-extern seq_timer_t *snd_seq_timer_new(void);
+struct snd_seq_timer *snd_seq_timer_new(void);
/* delete timer (destructor) */
-extern void snd_seq_timer_delete(seq_timer_t **tmr);
+void snd_seq_timer_delete(struct snd_seq_timer **tmr);
/* */
-static inline void snd_seq_timer_update_tick(seq_timer_tick_t *tick, unsigned long resolution)
+static inline void snd_seq_timer_update_tick(struct snd_seq_timer_tick *tick,
+ unsigned long resolution)
{
if (tick->resolution > 0) {
tick->fraction += resolution;
}
/* called by timer isr */
-int snd_seq_timer_open(queue_t *q);
-int snd_seq_timer_close(queue_t *q);
-int snd_seq_timer_midi_open(queue_t *q);
-int snd_seq_timer_midi_close(queue_t *q);
-void snd_seq_timer_defaults(seq_timer_t *tmr);
-void snd_seq_timer_reset(seq_timer_t *tmr);
-int snd_seq_timer_stop(seq_timer_t *tmr);
-int snd_seq_timer_start(seq_timer_t *tmr);
-int snd_seq_timer_continue(seq_timer_t *tmr);
-int snd_seq_timer_set_tempo(seq_timer_t *tmr, int tempo);
-int snd_seq_timer_set_ppq(seq_timer_t *tmr, int ppq);
-int snd_seq_timer_set_position_tick(seq_timer_t *tmr, snd_seq_tick_time_t position);
-int snd_seq_timer_set_position_time(seq_timer_t *tmr, snd_seq_real_time_t position);
-int snd_seq_timer_set_skew(seq_timer_t *tmr, unsigned int skew, unsigned int base);
-snd_seq_real_time_t snd_seq_timer_get_cur_time(seq_timer_t *tmr);
-snd_seq_tick_time_t snd_seq_timer_get_cur_tick(seq_timer_t *tmr);
+struct snd_seq_queue;
+int snd_seq_timer_open(struct snd_seq_queue *q);
+int snd_seq_timer_close(struct snd_seq_queue *q);
+int snd_seq_timer_midi_open(struct snd_seq_queue *q);
+int snd_seq_timer_midi_close(struct snd_seq_queue *q);
+void snd_seq_timer_defaults(struct snd_seq_timer *tmr);
+void snd_seq_timer_reset(struct snd_seq_timer *tmr);
+int snd_seq_timer_stop(struct snd_seq_timer *tmr);
+int snd_seq_timer_start(struct snd_seq_timer *tmr);
+int snd_seq_timer_continue(struct snd_seq_timer *tmr);
+int snd_seq_timer_set_tempo(struct snd_seq_timer *tmr, int tempo);
+int snd_seq_timer_set_ppq(struct snd_seq_timer *tmr, int ppq);
+int snd_seq_timer_set_position_tick(struct snd_seq_timer *tmr, snd_seq_tick_time_t position);
+int snd_seq_timer_set_position_time(struct snd_seq_timer *tmr, snd_seq_real_time_t position);
+int snd_seq_timer_set_skew(struct snd_seq_timer *tmr, unsigned int skew, unsigned int base);
+snd_seq_real_time_t snd_seq_timer_get_cur_time(struct snd_seq_timer *tmr);
+snd_seq_tick_time_t snd_seq_timer_get_cur_tick(struct snd_seq_timer *tmr);
+
+extern int seq_default_timer_class;
+extern int seq_default_timer_sclass;
+extern int seq_default_timer_card;
+extern int seq_default_timer_device;
+extern int seq_default_timer_subdevice;
+extern int seq_default_timer_resolution;
#endif