CTransInPlaceInputPin Class (Compact 2013)

Article
01/31/2017

3/26/2014

CTransInPlaceInputPin Class

This class implements the input pin of a transform-inplace filter (CTransInPlaceFilter). This is part of a transform filter that transforms data in place rather than making a copy of it. The CTransInPlaceFilter::InputPin member function returns a pointer to CTransInPlaceInputPin object.

Typically, you can create objects of a class derived from CTransInPlaceInputPin without modifying this class. That is, you can usually override member functions in the CTransInPlaceFilter class that member functions of the CTransInPlaceInputPin class call, and not have to derive your own classes for either of the pin classes.

However, if you want to override this class and derive your filter class from CTransInPlaceFilter, you must override the CTransInPlaceFilter::GetPin member function to create pins of your derived class.

Protected Data Members

Member	Description
m_bReadOnly	Flag to indicate if the stream is read-only.
m_pTIPFilter	Pointer to the CTransInPlaceFilter object that owns this pin.

Member Functions

Member function	Description
CTransInPlaceInputPin	Constructs a CTransInPlaceInputPin object.
PeekAllocator	Retrieves a pointer to the default allocator.
ReadOnly	Retrieves m_bReadOnly to indicate whether a stream is read-only.

Overrideable Member Functions

Member function	Description
CheckMediaType	Determines if the pin can use a specified media type.

Implemented IPin Methods

Method	Description
EnumMediaTypes	Provides a media type enumerator from the downstream filter.

Implemented IMemInputPin Methods

Method	Description
GetAllocator	Retrieves the upstream allocator.
GetAllocatorRequirements	Passes requests for allocator requirements downstream.
NotifyAllocator	Receives notification of which allocator the connected output pin will use.

Requirements

Header	dshow.h, Streams.h
Library	ole32.lib, Ole32auth.lib, Strmbase.lib, Strmiids.lib, uuid.lib

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