Event flags

Time-Stamp Type

ValueDescription
SND_SEQ_TIME_STAMP_TICK Scheduling time-stamp is set in clock ticks.
SND_SEQ_TIME_STAMP_REAL Scheduling time-stamp is set in real-time (sec and nsec pair).

Time Mode

ValueDescription
SND_SEQ_TIME_MODE_ABS Time-stamp is the absolute time.
SND_SEQ_TIME_MODE_REL Time-stamp is relative to the current time.

Data Storage Type

ValueDescription
SND_SEQ_EVENT_LENGTH_FIXED Fixed size data.
SND_SEQ_EVENT_LENGTH_VARIABLE Variable length data.
SND_SEQ_EVENT_LENGTH_VARUSR User-space data.
SND_SEQ_EVENT_LENGTH_IPC IPC data. (not implemented)

Scheduling Priority

ValueDescription
SND_SEQ_PRIORITY_NORMAL Schedule the event with normal proirity.
SND_SEQ_PRIORITY_HIGH Schedule the event with high proirity.