ICM_GETDEFAULTKEYFRAMERATE

The ICM_GETDEFAULTKEYFRAMERATE message is sent to a video compression driver to obtain its default (or preferred) key frame spacing.

Parameters
dwParam1
Specifies a pointer to a DWORD used to return the preferred key frame spacing.
dwParam2
Not used.
Return Value

Returns ICERR_OK if the driver supports this message. Otherwise, returns ICERR_UNSUPPORTED.