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Experimental synchronization support on ALSA sequencer

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This commit is contained in:
Takashi Iwai 2000-09-05 17:15:11 +00:00
parent 761d5e6442
commit d1d906e295
3 changed files with 201 additions and 60 deletions
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14
include/seq.h
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@ -49,6 +49,9 @@ int snd_seq_set_queue_client(snd_seq_t *handle, int q, snd_seq_queue_client_t *q
int snd_seq_create_queue(snd_seq_t *seq, snd_seq_queue_info_t *info);
int snd_seq_alloc_named_queue(snd_seq_t *seq, char *name);
int snd_seq_alloc_queue(snd_seq_t *handle);
#ifdef SND_SEQ_SYNC_SUPPORT
int snd_seq_alloc_sync_queue(snd_seq_t *seq, char *name);
#endif
int snd_seq_free_queue(snd_seq_t *handle, int q);
int snd_seq_get_queue_info(snd_seq_t *seq, int q, snd_seq_queue_info_t *info);
int snd_seq_set_queue_info(snd_seq_t *seq, int q, snd_seq_queue_info_t *info);
@ -57,6 +60,17 @@ int snd_seq_get_client_pool(snd_seq_t *handle, snd_seq_client_pool_t * info);
int snd_seq_set_client_pool(snd_seq_t *handle, snd_seq_client_pool_t * info);
int snd_seq_query_next_client(snd_seq_t *handle, snd_seq_client_info_t * info);
int snd_seq_query_next_port(snd_seq_t *handle, snd_seq_port_info_t * info);
#ifdef SND_SEQ_SYNC_SUPPORT
int snd_seq_add_sync_master(snd_seq_t *seq, int queue, snd_seq_addr_t *dest, snd_seq_queue_sync_t *info);
int snd_seq_remove_sync_master(snd_seq_t *seq, int queue, snd_seq_addr_t *dest);
int snd_seq_add_sync_std_master(snd_seq_t *seq, int queue, snd_seq_addr_t *dest, int format, int time_format, unsigned char *opt_info);
#define snd_seq_add_sync_master_clock(seq,q,dest) snd_seq_add_sync_std_master(seq, q, dest, SND_SEQ_SYNC_FMT_MIDI_CLOCK, 0, 0)
#define snd_seq_add_sync_master_mtc(seq,q,dest,tfmt) snd_seq_add_sync_std_master(seq, q, dest, SND_SEQ_SYNC_FMT_MTC, tfmt, 0)
int snd_seq_set_sync_slave(snd_seq_t *seq, int queue, snd_seq_addr_t *src, snd_seq_queue_sync_t *info);
int snd_seq_reset_sync_slave(snd_seq_t *seq, int queue, snd_seq_addr_t *src);
#endif
/* event routines */
snd_seq_event_t *snd_seq_create_event(void);