5.5. Playlist Management in Multi-Essence
Introduction
The multi-essence feature is supported on XT3, XS and XSnano servers when specific
hardware and software conditions are fulfilled. See the Server Configuration manual for
more information.
When the EVS server runs a multi-essence configuration (Intra+LongGOP) or
(Intra+Proxy), the playlists are managed in the same way as in a single essence
configuration (Intra only or LongGOP only).
The multi-essence feature is as much as possible transparent to the operator, who should
therefore continue working as usual whatever the active essence(s).
The behavior of the application is based on the principles described below.
Playlist Playout
When the LongGOP essence is the on-air essence, an available playlist element will not
be playable if it is shorter than 1 second.
Unavailable playlist elements, that means elements not available in the on-air essence,
will be skipped in play mode.
Unplayable playlist elements, that means elements shorter than 1 second, will be skipped
in play mode. In this case, editing the playlist element by changing its speed or its IN
and/or OUT points can make it playable.
Playlist Editing
The behavior with unavailable playlist elements will be as follows in Edit mode:
• They will be displayed as "Unavailable" on the VGA.
• They will be hidden on the Remote.
The behavior with unplayable playlist elements will be as follows in Edit mode:
• They will be displayed as "Unplayable" on the VGA and on the Remote.
84 5. Playlist Management
EVS Broadcast Equipment SA Issue 12.05.A- May 2014
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