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IMediaStream Interface (Compact 2013)

3/26/2014

This interface provides access to the characteristics of a media stream, such as the stream's media type and purpose ID. It also has methods that create data samples.

Implement this interface when you want to add media type-specific functionality to your media stream.

This interface is implemented on multimedia stream objects. IMediaStream provides generic sample-creation methods, but you usually want to write a more powerful version of these methods that will take advantage of your media type's specific characteristics.

Use this interface when your application needs to access a stream's media type information and create data samples.

Methods in Vtable Order

The following table shows the methods that appear in the Vtable beneath the standard COM methods inherited from IUnknown.

Method

Description

GetMultiMediaStream

Retrieves a pointer to the multimedia stream that contains the specified media stream.

GetInformation

Retrieves the stream's purpose ID and media type.

SetSameFormat

Sets the media stream to the same format as a previous stream.

AllocateSample

Allocates a new stream sample object for the current media stream.

CreateSharedSample

Creates a new stream sample that shares the same backing object as the existing sample.

SendEndOfStream

Forces the current stream to end. If the current stream is not writable, this method does nothing.

Requirements

Header

dshow.h

Library

Strmiids.lib

See Also

Reference

DirectShow Interfaces