CBaseInputPin::NotifyAllocator (Windows Embedded CE 6.0)
1/6/2010
Notifies the input pin as to which allocator the output pin is actually going to use.
Syntax
HRESULT NotifyAllocator(
IMemAllocator* pAllocator,
BOOL bReadOnly
);
Parameters
pAllocator
Pointer to the IMemAllocator object to use.This might or might not be the same IMemAllocator object that the input pin provided in the IMemInputPin::GetAllocator method (the output pin could provide its own allocator).
- bReadOnly
Flag to indicate if the samples from this allocator are read-only.
Return Value
Default implementation returns NOERROR.
Remarks
This member function implements the IMemInputPin::NotifyAllocator method, which is called by the connected output pin to inform the input pin of the chosen allocator for the memory transport.
Override this member function if your filter cares about this information.
By default, this sets the m_pAllocator data member to the allocator interface passed in after adding a reference count to that interface.
Requirements
| Windows Embedded CE | Windows CE 2.12 and later |
| Note | Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements For more information, see Setting Up the Build Environment, Version 2.12 requires DXPAK 1.0 or later |