+\fB\-b\fR, \fB\-\-bbox\fR
+ Show movie bounding box (default)
+.TP
+\fB\-B\fR, \fB\-\-newbbox\fR
+ Show recalculated (optimized/expanded) bounding box
+.TP
+\fB\-e\fR, \fB\-\-expand\fR
+ Write out a new file using the recalculated header bounding box
+.TP