This control, via XML API, allows the user to set the time offset for the usage of the closed caption file
<?xml version="1.0"?>
<query>
<format>
<!-- Format fields -->
<closed_captions>
<!-- ... -->
<time_offset>[TimeOffset]</time_offset>
</closed_captions>
</format>
</query>
Format Name: time_offset
Allowed Values: Positive or negative integer
Default Values: 0
