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IAVIStream

The IAVIStream interface supports creating and manipulating data streams within a file. Uses IUnknown::QueryInterface, IUnknown::AddRef, IUnknown::Release in addition to the following custom methods:

Method Description
Create Initializes a stream handler that is not associated with any file.
Delete Deletes data from a stream.
Info Fills and returns an AVISTREAMINFO structure with information about a stream.
FindSample Obtains the position in a stream of a key frame or a nonempty frame.
Read Reads data from a stream and copies it to an application-defined buffer.
ReadData Reads data headers, format data, or nonaudio and nonvideo data. (Use the Read method to read audio and video data.)
ReadFormat Obtains format information from a stream.
SetFormat Sets format information in a stream.
Write Writes data to a stream.
WriteData Writes data headers, format data, or nonaudio and nonvideo data. (Use the Write method to write audio and video data.)

Requirements

  Windows NT/2000/XP: Included in Windows NT 3.1 and later.
  Windows 95/98/Me: Included in Windows 95 and later.
  Header: Declared in Vfw.h.
  Library: Use Vfw32.lib.

See Also

Custom File and Stream Handlers, Custom File and Stream Handler Interfaces

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