IMemInputPin::GetAllocatorRequirements

  • Article

This optional method is used to suggest specific alignment or prefix requirements to an upstream filter.

HRESULT GetAllocatorRequirements(
  ALLOCATOR_PROPERTIES* pProps
);

Parameters

  • pProps
    [in] ALLOCATOR_PROPERTIES structure containing the required size, count, and alignment of the allocator.

Return Values

Returns an HRESULT value. Returns E_NOTIMPL if not implemented.

Remarks

Source filters that insist on their own allocator may use this method downstream to accommodate downstream filters' memory requirements for performance benefits.

Requirements

DirectShow applications and DirectShow filters have different include file and link library requirements. See Setting Up the Build Environment for more information.

OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.

See Also

IMemInputPin Interface

Last updated on Wednesday, April 13, 2005

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