KsFilterAcquireControl - NtDoc
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// ks.h
void KsFilterAcquireControl(
[in] PKSFILTER Filter
);
View the official Windows Driver Kit DDI referenceNo description available.
The KsFilterAcquireControl function acquires the filter control mutex for the AVStream filter specified by Filter.
Filter [in]The KSFILTER for which to acquire the control mutex.
This function is an inline call to KsAcquireControl with the appropriate typecasting. Minidrivers that manipulate the filter control mutex should call this function instead of calling KsAcquireControl directly. For more information, see Mutexes in AVStream.