This function can be used to enable Hollywood's line hook. The line hook is a function which
is automatically called by Hollywood after every code line. It is responsible for controlling
several tasks that Hollywood needs for its housekeeping, for example event handling and video
playback. Thus, it is very important that the line hook gets called several times per second
at least, otherwise your application will become unresponsive and video playback will stutter.
Disabling the line hook for a brief period of time, however, can increase the raw performance
of Hollywood's virtual machine significantly since all the code in the linehook isn't executed
at all. Hence, you may want to disable it temporarily if you need to do some complex calculations
as fast as possible. But make sure to enable the line hook again as soon as possible to prevent
your application from becoming unresponsive.
To disable the line hook, you will have to call DisableLineHook().