I think you are failing to understand the design / curvature / multiple radius features of the exit point and that the flange style literally cannot form any remotely close to passable seal to do its job. Idk what to tell you but your not right no matter how you think you can phrase it.
Hw transcoding requires paid version? Thought this was in the free one all along
Edit oh nvm, I found it on the website. Welp guess I’m buying it