amfIMarker SetInitialFrameIndex
Sets the index of the initial frame for which the marker will be tracked.
Syntax
marker_handle SetInitialFrameIndex idx
Description
Sets the frame number at which the marker will begin to be tracked during the tracking calculation.
Inputs
- idx
- The default value of the initial frame index is 0.
Example
marker_handle SetInitialFrameIndex 23
Error
- idx is less than 0.
- idx is greater than or equal to the frame count of the video
- idx is greater than the value returned by amfIMarker::GetFinalFrameIndex
- 1 = HW_Error
- 3 = HW_InvalidHandle
- 4 = HW_InvalidArgs