diff options
Diffstat (limited to 'sound/core/seq/seq_timer.h')
| -rw-r--r-- | sound/core/seq/seq_timer.h | 54 |
1 files changed, 28 insertions, 26 deletions
diff --git a/sound/core/seq/seq_timer.h b/sound/core/seq/seq_timer.h index 287ed68591de..e9ee1543c924 100644 --- a/sound/core/seq/seq_timer.h +++ b/sound/core/seq/seq_timer.h @@ -24,13 +24,13 @@ #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 */ @@ -40,12 +40,12 @@ typedef struct { 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 */ @@ -55,17 +55,18 @@ typedef struct { 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; @@ -119,21 +120,22 @@ static inline void snd_seq_inc_time_nsec(snd_seq_real_time_t *tm, unsigned long } /* 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); #endif |