alGetEventUST(3dm)					    alGetEventUST(3dm)

NAME    [Toc]    [Back]

     alGetEventUST - get Unadjusted System Time	of audio event

SYNOPSIS    [Toc]    [Back]

     #include <dmedia/audio.h>

     long long alGetEventUST(ALevent event)

PARAMETER    [Toc]    [Back]

     event   expects an	ALevent	structure initialized by alNextEvent(3dm) or
	     alCheckEvent(3dm).

DESCRIPTION    [Toc]    [Back]

     alGetEventUST returns the Unadjusted System Time (UST) from the ALevent
     structure.

     The UST is	a 64-bit number	in nanoseconds indicating when the event was
     posted. It	lies on	the same timeline as the time returned by
     alGetFrameTime(3dm).

DIAGNOSTICS    [Toc]    [Back]

     Upon successful completion, alGetEventUST returns a long long whose value
     is	the Unadjusted System Time (UST) for the audio event.  Otherwise,
     alGetEventUST returns -1 and sets an error	number.	This error number can
     be	retrieved with oserror(3C).

     alGetEventUST can fail for	the following reason:

     AL_BAD_INVALID_EVENT   event is invalid or	null.

SEE ALSO    [Toc]    [Back]

     alNewEvent(3dm), alNextEvent(3dm),	alCheckEvent(3dm),
     alGetFrameTime(3dm), oserror(3C) alGetFrameTime(3dm)


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