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ICGetDefaultKeyFrameRate macro

The ICGetDefaultKeyFrameRate macro queries a video compression driver for its default (or preferred) key-frame spacing. You can use this macro or explicitly call the ICM_GETDEFAULTKEYFRAMERATE message.

Syntax


DWORD ICGetDefaultKeyFrameRate(
    hic,
    wParam
);

Parameters

hic

Handle to a compressor.

wParam

Address to contain the preferred key-frame spacing.

Return value

Returns ICERR_OK if the driver supports this message or ICERR_UNSUPPORTED otherwise.

Remarks

The ICGetDefaultKeyFrameRate macro returns the default key frame rate.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Vfw.h

See also

Video Compression Manager
Video Compression Macros

 

 

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