User`s guide

Working with Segments
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• Whether the segment data (the in points and out points, for
example) are copied into the vclip or simply pointed at by the vclip.
• Whether or not the segment referenced in the source clip is erased.
The following are valid values for src-op:
• The value FCP copies the segment data (the in and out points, for
example) from the source clip to the target vclip, as shown in
Figure 6-3.
The source clip must be segmented. If the source clip changes, the
target vclip is unaffected, which is not the case with the FLN option.
• The value FLN links the segment data in the source clip to the vclip,
as shown in Figure 6-3.
Unlike the FCP option, the source clip does not have to be
segmented and if the source clip changes, its changes affect the
target vclip.
• The value FRM copies one or more segments in the source clip to the
target vclip and then remove the copied segments from the source
clip.
The source clip must be segmented.
• The value FCL copies one or more segments in the source clip to the
target vclip and then clear the copied segments from the source
clip.
The source clip must be segmented. Clearing the segments, in
effect, makes them black in the source clip.
dest-op Specifies whether the segment added to the vclip is inserted (FINS) into
the vclip or overwrites (FOVR) segments already in the vclip. Valid
values are FINS and FOVR.
trk-mask Must be an asterisk (*).
in Specifies the in point in the vclip where the segment is to be added. If
this information is absent, the new segment is appended to the end of
the vclip.
out Specifies the out point in the vclip where the added segment ends.
src-clip Specifies the name of the source clip.
src-trk-mask Must be an asterisk (*).