Freigeben über

ICGetDefaultKeyFrameRate

  • Artikel

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.

DWORD ICGetDefaultKeyFrameRate(
  hic  
);

Parameters

hic

Handle to a compressor.

wParam

Address to contain the preferred key-frame spacing.

Return Values

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

Remarks

The ICGetDefaultKeyFrameRate macro returns the default key frame rate.

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.

See Also

Video Compression Manager, Video Compression Macros, ICM_GETDEFAULTKEYFRAMERATE