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The KsStreamPointerGetMdl function returns the MDL associated with the frame referenced by StreamPointer.
Syntax
KSDDKAPI PMDL KsStreamPointerGetMdl(
[in] PKSSTREAM_POINTER StreamPointer
);
Parameters
[in] StreamPointer
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.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Available in Microsoft Windows XP and later operating systems and DirectX 8.0 and later DirectX versions. |
| Target Platform | Universal |
| Header | ks.h (include Ks.h) |
| Library | Ks.lib |
| IRQL | <=DISPATCH_LEVEL |