Magic Music Visuals

Could you explain a litter further how using QT would remedy the issue? I’m confused because the video feed worked once before but now the feed isn’t showing up in magic.

I've been using magic a while now and have used it once successfully with my Panasonic camcorder as the live video input. I have the Panasonic running RCA cables to an HDMI converter which plugs into an Elgato CamLink 4k. I have OBS software picking up the video feed without any issue. My problem is...