return 0;
}
+int Track::blade(double position)
+{
+ int64_t start = to_units(position, 1);
+ Edit *edit = edits->split_edit(start);
+ if( !edit ) return 1;
+ edit->hard_left = 1;
+ if( edit->previous ) edit->previous->hard_right = 1;
+ return 0;
+}
int Track::clear(double start, double end,
int edit_edits, int edit_labels, int edit_plugins,