amfIMarker GetInitialFrameIndex

Gets the index of the initial frame for which the marker is being tracked.

Syntax

marker_handle GetInitialFrameIndex

Description

Returns the frame number at which the marker will begin to be tracked during the tracking calculation. The default value of the initial frame index is 0.

Examples

marker_handle GetInitialFrameIndex

Errors

3 = HW_InvalidHandle

Note: A return value of -1 is not an error code in this case, as -1 is the default value for the final frame (see above).