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AVIStreamGetFrameOpen function

The AVIStreamGetFrameOpen function prepares to decompress video frames from the specified video stream.

Syntax


STDAPI_(PGETFRAME) AVIStreamGetFrameOpen(
   PAVISTREAM         pavi,
   LPBITMAPINFOHEADER lpbiWanted
);

Parameters

pavi

Pointer to the video stream used as the video source.

lpbiWanted

Pointer to a structure that defines the desired video format. Specify NULL to use a default format. You can also specify AVIGETFRAMEF_BESTDISPLAYFMT to decode the frames to the best format for your display.

Return value

Returns a GetFrame object that can be used with the AVIStreamGetFrame function. If the system cannot find a decompressor that can decompress the stream to the given format, or to any RGB format, the function returns NULL.

The argument pavi is a pointer to an IAVIStream interface.

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

DLL

Avifil32.dll

See also

AVIFile Functions and Macros
AVIFile Functions

 

 

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