CBaseReferenceClock.SetTimeDelta method
[The feature associated with this page, DirectShow, is a legacy feature. It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation. Those features have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer, IMFMediaEngine and Audio/Video Capture in Media Foundation instead of DirectShow, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]
The SetTimeDelta method adjusts the internal clock time.
Syntax
HRESULT SetTimeDelta(
[ref] const REFERENCE_TIME &TimeDelta
);
Parameters
-
TimeDelta [ref]
-
Amount to adjust the clock time, in 100-nanosecond units. A positive value moves the clock forward, and a negative value moves the clock backward.
Return value
Returns S_OK.
Remarks
The derived class can use this method to adjust the internal clock, if it drifts from the device that is providing timing information.
The CBaseReferenceClock::GetTime method never returns decreasing values. If you adjust the clock backward, GetTime returns the previous value until the clock reaches that value again.
Requirements
| Requirement | Value |
|---|---|
| Header |
|
| Library |
|
See also
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