Alexandre Pasmantier 67c067ff40
refactor(previewer): a much more efficient preview system for tv (#506)
Broke away the previewer logic into its own tokio task communicating
with the main thread over two mpsc channels.

Most of the previewer code is now much simpler and less verbose. 

This brings quite a nice bump to performance and overall UI
responsiveness and also makes the previewer consume less cpu resources.
2025-05-14 20:22:53 +02:00
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