Viz Artist User Guide
Version 3.14 | Published October 30, 2020 ©
EVSControl plug-in
The EVSControl plug-in allows an EVS video server to be controlled from the Viz Engine (like a tape deck over RS422). This gives the ability to load and control playback of EVS video server clips.
Note: This plug-in is located in: Built Ins -> Scene plug-ins -> Libero
This page contains the following topics and procedures:
EVSControl Properties
Various EVSControl plug-in settings can be modified in Viz Artist from Scene plug-in pane:
Note: Do not change OUT parameters manually or using a script.
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Debug: Enables/disables extended debug output on the console.
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Serial Port (COMx): Sets the serial port to be used for controlling the EVS.
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Initialize: Initializes the Controller. Without initialization, the plug-in does not work.
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EVS Clip ID: The ID of the EVS clip to be loaded. The value must match the format “PBCK/MM” where:
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P = Page number (1-9)
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B = Bank number (1-9)
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C = Clip number (1-9)
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K = Camera letter (A-F)
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MM = EVS Machine number (00, 01, etc.), where 00 is the local EVS.
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Load Clip: Loads the clip shown in the “EVS Clip ID” field.
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Clip loaded: Shows when the Load Clip was clicked to confirm the clip was loaded.
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Clip IN: Sets the IN time code of the successfully loaded clip (Format hh:mm:ss:ff).
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Clip OUT: Sets the OUT time code of the successfully loaded clip (Format hh:mm:ss:ff).
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Clip Duration: Sets the duration of the successfully loaded clip in milliseconds.
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Stop: Stops play back.
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Play: Starts play back.
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TC Hour: Sets the time code hour value for the “Goto TC” action.
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TC Minute: Sets the time code minute value for the “Goto TC” action.
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TC Second: Sets the time code second value for the “Goto TC” action.
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TC Field: Sets the time code frame value for the “Goto TC” action.
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Goto TC: Moves to the time code shown by the above fields.
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Get TC: Gets the current timecode.
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Current TC: Retrieves the value of the “Get TC” action.
Clip Loaded Successfully
If a clip has been loaded successfully, the EVSControl plug-in editor shows:
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The ‘Clip loaded (out)’ flag is set.
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The ‘Clip IN (out)’ shows the Clip IN timecode.
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The ‘Clip OUT (out)’ shows the Clip OUT timecode.
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The ‘Clip Duration (out)’ shows the Clip length in milliseconds.
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EVS goes to IN timecode of clip.
To Go to a Specific Time Code
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Enter the hour, minute, second, and frame in the fields:
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TC Hour
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TC Minute
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TC Second
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TC Field
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Click on the Goto TC button
To Get the Current Time Code
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Click on the Get TC button
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The current Time Code is shown in the Current TC field.
Example Scenes
The plug-in comes with two example scenes:
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One shows a slider to scrub a clip.
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The other shows scanning for clips and creating clip buttons for playback control.