KsFilterGetFirstChildPin - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// ks.h

KSDDKAPI PKSPIN KsFilterGetFirstChildPin(
  [in] PKSFILTER Filter,
  [in] ULONG     PinId
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-ks-ksfiltergetfirstchildpin)

KsFilterGetFirstChildPin function

Description

The KsFilterGetFirstChildPin function returns the first instantiated pin of type PinID on the filter specified by Filter.

Parameters

Filter [in]

A pointer to the KSFILTER structure to query for instantiated pins.

PinId [in]

The numeric ID of the pin type for which to find the first instantiated member.

Return value

KsFilterGetFirstChildPin returns a pointer to the first instantiated KSPIN structure of type PinID on the specified filter.

Remarks

Note that the object hierarchy is guaranteed stable only while the appropriate mutex is held, in this case the filter control mutex. For more information, see Mutexes in AVStream.

See also

KSPIN

KsFilterGetChildPinCount

KsPinGetNextSiblingPin

View the official Windows Driver Kit DDI reference

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