ISynthSinkDMus::SampleToRefTime method (dmusicks.h)

The SampleToRefTime method converts a sample time to a reference time.

Syntax

NTSTATUS SampleToRefTime(
  [in]  LONGLONG       llSampleTime,
  [out] REFERENCE_TIME *prfTime
);

Parameters

[in] llSampleTime

Specifies the sample time being passed in.

[out] prfTime

Output pointer for the reference time. This parameter is a pointer to a caller-allocated variable into which the method writes the calculated reference time. Reference time is measured in 100-nanosecond units.

Return value

SampleToRefTime returns STATUS_SUCCESS if the call was successful. Otherwise, the method returns an appropriate error code.

Remarks

The SampleToRefTime method accepts a sample time as an input parameter, converts the sample time to a reference time, and outputs the reference time to a location specified by the caller.

The calculation of reference time from sample time to reference time depends on the sampling frequency. For example, if the output buffer is in a 44.2 kHz format, a sample time of 44,200 is equivalent to a reference time of one second.

Requirements

See also

IDirectMusicSynthSink::SampleToRefTime

ISynthSinkDMus