ICM_GETDEFAULTKEYFRAMERATE  10I1GCG 

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 ICGetDefaultKeyFrameRate4AZ6_L6 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.

See Also