KsStreamPointerGetMdl - NtDoc

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

KSDDKAPI PMDL KsStreamPointerGetMdl(
  [in] PKSSTREAM_POINTER StreamPointer
);
View the official Windows Driver Kit DDI reference

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

KsStreamPointerGetMdl function

Description

The KsStreamPointerGetMdl function returns the MDL associated with the frame referenced by StreamPointer.

Parameters

StreamPointer [in]

A pointer to the KSSTREAM_POINTER structure that references the frame for which to return the associated MDL.

Return value

Returns either a pointer to the memory descriptor list (MDL) describing the frame referenced by StreamPointer or returns NULL. A NULL return value usually indicates that the given stream pointer was not locked at call-time.

Remarks

The stream pointer must be locked in order for KsStreamPointerGetMdl to execute successfully.

Also see Stream Pointers.

See also

KsStreamPointerGetIrp

KsStreamPointerLock

View the official Windows Driver Kit DDI reference

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