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NF:ks.KsPinGetReferenceClockInterface |
KsPinGetReferenceClockInterface function (ks.h) |
The KsPinGetReferenceClockInterface function returns a COM style interface to the reference clock associated with Pin. This interface pointer will be an IKsReferenceClock interface. |
stream\kspingetreferenceclockinterface.htm |
stream |
04/23/2018 |
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KsPinGetReferenceClockInterface, KsPinGetReferenceClockInterface function [Streaming Media Devices], avfunc_7434698b-f441-4d80-91db-8fa5d7d10c60.xml, ks/KsPinGetReferenceClockInterface, stream.kspingetreferenceclockinterface |
ks.h |
Ks.h |
Universal |
Available in Microsoft Windows XP and later operating systems and DirectX 8.0 and later DirectX versions. |
Ks.lib |
PASSIVE_LEVEL |
Windows |
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The KsPinGetReferenceClockInterface function returns a COM style interface to the reference clock associated with Pin. This interface pointer will be an IKsReferenceClock interface.
A pointer to the KSPIN structure for which to return the reference clock interface.
A pointer to a memory location that receives the address of an IKsReferenceClock interface. This is a COM style interface with an associated reference count. Minidrivers must release the interface when finished with it.
KsPinGetReferenceClockInterface returns STATUS_SUCCESS and deposits the address of the IKsReferenceClock interface into Interface if the pin implements the clock or has received notification of the master clock through the KSPROPERTY_STREAM_MASTERCLOCK property. Returns STATUS_DEVICE_NOT_READY if the pin has not yet received notification of the master clock.
The most common time to call KsPinGetReferenceClockInterface is in a state transition to KSSTATE_ACQUIRE.
See AVStream Clocks for more information about using the IKsReferenceClock interface that this routine returns.