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The KsGetOuterUnknown function returns the outer IUnknown of a given AVStream object.
Syntax
KSDDKAPI PUNKNOWN KsGetOuterUnknown(
[in] PVOID Object
);
Parameters
[in] Object
A pointer to an AVStream object for which to return the outer IUnknown interface.
Return value
KsGetOuterUnknown returns a pointer to the outer IUnknown interface of Object. The client can then call the QueryInterface method to determine whether the component supports a given interface.
Remarks
Minidrivers should not call this function directly. Instead, use one of the inline versions that perform automatic typecasting: KsDeviceGetOuterUnknown, KsFilterFactoryGetOuterUnknown, KsFilterGetOuterUnknown, KsPinGetOuterUnknown.
Minidrivers using this function must include kcom.h and use a C++ compiler.
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 | PASSIVE_LEVEL |