feat: Separate ATEM upstream keyer from ME #408
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Julusian
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Nov 24, 2025
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A couple of questions/thoughts
packages/timeline-state-resolver/src/integrations/atem/$schemas/mappings.json
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About the Contributor
This pull request is posted on behalf of the BBC.
Type of Contribution
This is a Feature
Current Behavior
Currently it's difficult to combine an AB session for the M/E input with AB sessions on the Upstream Keyers due to them being handled in the same timeline object.
New Behavior
Allow addressing each keyer on each M/E individually as a separate layer in TSR.
Backwards compatibility is provided; you will get a one of warning per session telling you to upgrade. If you use both the backwards compatibility and the new method at the same time, you should get a further warning and the new method should win.
Testing Instructions
I've tested with some scripts in QuickTSR and it seems to be working. To test it properly you will need to rewrite blueprints to use it.
Other Information
Status