MP4 states are are included on each Event and track whether or not there is any MP4 representation of the Event.
NONE = 0¶
This is the default for most Events (unless created via TaskEngine callback), and shows that no MP4 content exists.
AVAILABLE = 1¶
This is set whenever the TaskEngine indicates that it has generated an MP4 file for this Event.
Note: this does not include any VOD Downloads for this Event, which are handled separately.
GENERATING = 2¶
This is specified by the system to inform it that an MP4 has been requested for this Event.