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CTransInPlaceInputPin::GetAllocatorRequirements

  • Artículo
 
Microsoft DirectShow 9.0

CTransInPlaceInputPin::GetAllocatorRequirements

The GetAllocatorRequirements method retrieves the allocator properties requested by the pin. This method implements the IMemInputPin::GetAllocatorRequirements method.

Syntax

  HRESULT GetAllocatorRequirements(
    ALLOCATOR_PROPERTIES *pProps
);

Parameters

pProps

Pointer to an ALLOCATOR_PROPERTIES structure, which is filled in with the requirements.

Return Value

Returns an HRESULT value. Possible values include those shown in the following table.

Value Description
S_OK Success.
E_NOTIMPL The output pin is not connected, or the downstream input pin does not support the method.
E_POINTER Null pointer argument.

Remarks

If the output pin is connected, this method passes the call to the downstream input pin. Otherwise, it returns E_NOTIMPL.

Requirements

**  Header:** Declared in Transip.h; include Streams.h.

**  Library:** Use Strmbase.lib (retail builds) or Strmbasd.lib (debug builds).

See Also