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/**************************************************************************
AVStream Simulated Hardware Sample
Copyright (c) 2001, Microsoft Corporation.
File:
filter.h
Abstract:
This file contains the filter level header for the capture filter.
History:
created 3/12/2001
**************************************************************************/
class CCaptureFilter {
private:
//
// The AVStream filter object associated with this CCaptureFilter.
//
PKSFILTER m_Filter;
//
// Cleanup():
//
// This is the bag cleanup callback for the CCaptureFilter. Not providing
// one would cause ExFreePool to be used. This is not good for C++
// constructed objects. We simply delete the object here.
//
static
void
Cleanup (
IN CCaptureFilter *CapFilter
)
{
delete CapFilter;
}
public:
//
// CCaptureFilter():
//
// The capture filter object constructor. Since the new operator will
// have zeroed the memory, do not bother initializing any NULL or 0
// fields. Only initialize non-NULL, non-0 fields.
//
CCaptureFilter (
IN PKSFILTER Filter
) :
m_Filter (Filter)
{
}
//
// ~CCaptureFilter():
//
// The capture filter destructor.
//
~CCaptureFilter (
)
{
}
//
// DispatchCreate():
//
// This is the filter creation dispatch for the capture filter. It
// creates the CCaptureFilter object, associates it with the AVStream
// object, and bags it for easy cleanup later.
//
static
NTSTATUS
DispatchCreate (
IN PKSFILTER Filter,
IN PIRP Irp
);
};
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