Apple Final Cut Pro 7 - Manual (Page 764)

Detecting Duplicate Frames over Transitions
When Show Duplicate Frames is turned on in a sequence’s settings and a clip appears
more than once within a single edited sequence, the duplicate frames are marked by a
colored bar appearing at the bottom of the clip’s video item in the Timeline.
The red bars indicate
duplicate frames used
within a sequence.
However, if the duplicated frames fall outside the boundaries of the clip in the Timeline
or fall within a transition, a special indicator—four white dots—appears where the
duplicate frames are located. The dots can appear on either side or both sides of the
transition. The side of the transition the dots appear on indicates the clip or clips that use
duplicate frames. When you zoom out, the white dots decrease in range from four to
zero, depending on the zoom level.
The white dots indicate
duplicate frames used
in a transition.
For more information about duplicate frame detection, see “Timeline Basics.”
Video Transitions That Come with Final Cut Pro
There are numerous video transitions that ship with Final Cut Pro. The sections that follow
group the filters into various categories and then discuss what each is used for.
764 Chapter 47 Adding Transitions