CTransformOutputPin::DecideBufferSize (Compact 2013)
3/26/2014
Determines the number and size of buffers required.
Syntax
HRESULT DecideBufferSize(
IMemAllocator* pAlloc,
ALLOCATOR_PROPERTIES* ppropInputRequest
);
Parameters
- pAlloc
Allocator assigned to the transfer.
- ppropInputRequest
Requested allocator properties for count, size, and alignment, as specified by the ALLOCATOR_PROPERTIES structure.
Return Value
Returns an HRESULT value.
Remarks
This member function overrides the CBaseOutputPin::DecideBufferSize member function and calls the pure virtual CTransformFilter::DecideBufferSize member function, which your derived class must override and implement.
This member function is called from the CBaseOutputPin class during the connection process.
Requirements
Header |
dshow.h, |
Library |
ole32.lib, |