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Called to clear the pending sample when in a stopped or inactivated state.
virtual HRESULT ClearPendingSample(void);
Return Values
Returns an HRESULTvalue.
Remarks
This member function releases the IMediaSampleinterface. This allows the allocator to reuse it and allocate it to the upstream filter again. If the state is being changed to inactive, IMemAllocator::GetBufferwill return an error. This function also resets the current media sample to NULL to indicate that no data is now available.