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IGetFrame interface

The IGetFrame interface supports extracting, decompressing, and displaying individual frames from an open stream. Uses IUnknown::QueryInterface, IUnknown::AddRef, IUnknown::Release in addition to the following custom methods:

Members

The IGetFrame interface inherits from the IUnknown interface. IGetFrame also has these types of members:

Methods

The IGetFrame interface has these methods.

MethodDescription
Begin

Prepares to extract and decompress copies of video frames from a stream.

End

Ends frame extraction and decompression.

GetFrame

Retrieves a decompressed copy of a frame from a stream.

SetFormat

Sets the image format of the frames being extracted.

 

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Vfw.h

Library

Vfw32.lib

See also

Custom File and Stream Handlers
Custom File and Stream Handler Interfaces

 

 

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