ICM_GETDEFAULTKEYFRAMERATE
The ICM_GETDEFAULTKEYFRAMERATE message queries a video compression driver for its default (or preferred) key-frame spacing. You can send this message explicitly or by using the ICGetDefaultKeyFrameRate macro.
ICM_GETDEFAULTKEYFRAMERATE
wParam = (DWORD) (LPVOID) &dwICValue;
lParam = 0;
Parameters
dwICValue
Address to contain the preferred key-frame spacing.
Return Values
Returns ICERR_OK if the driver supports this message or ICERR_UNSUPPORTED otherwise.
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 Messages, ICGetDefaultKeyFrameRate