Calculate the first frame.  When a filter is used, the 1st frame does not need to be Frame1
Calculate the first frame.  When a filter is used, the 1st frame does
not need to be Frame1

git-svn-id: 392d0e5ce652024192c571322d40dcc23d6d83b0@67 8a65f31f-a56f-4bd6-98e8-2755f64920ec

pol51/callflow,pol51/callflow