Cheap Vidiot Cross-Fade Solution?

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Hello friends - I’m trying to avoid spending €280 to do a simple cross-fade and wonder if any of you tech wizardzzz have a simple solution to the following >

I’d like to play a 10:00 looping quicktime video off my 2016 MacBook Pro and do a slow manual crossfade into a processed live camera feed (of the monitor and / or the projector) from the Vidiot, utilizing a single video projector. Said differently:

MacBook pro HDMI out to projector
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Vidiot camera in > RCA out > upscaler > HDMI out to projector

I’ve been looking for video mixers with 2xHDMI inputs, a crossfader, and an HDMI output and found the FEELWORLD Video Mixer Live Pro L1 and the Blackmagic ATEM Mini Extreme switcher. The latter seems like it would require an HDMI out into the ATEM and a USB-C into same computer to control it, so I’m not sure it would work. Also: €280

A friend suggested using the Blackmagic Design UltraStudio Recorder 3G, presumably with the Vidiot RCA out > upscaler > HDMI out > Blackmagic recorder in - but I’m also not sure how the upscaler will interface with the HDMI input. This would mean using Isadora in the computer to merge the two outputs…

Again - all I want is a crossfade! Any ideas? Thanks in advance!

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What if you sent the signal from the vidiot into the computer via a €20-€30 hdmi-to-USB connector, mix and or cross fade in the computer via, and use the computer’s hdmi out into your projector?

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That would be suggestion as well. Much easier and cheaper to work with video in the computer.

There are both cheap CVBS and HDMI adaptors that do a pretty good job. Converting to and from HDMI tends to have more latency.

No cheap HDMI cross fading avail as far as I am aware. Relatively speaking. Not so long ago $200+ would have been considered cheap. There are now a bunch of HDMI mixers in that range, and if you are starting to do this kind of stuff maybe just get one of those? I really like my OSEE GoStream as an alternative to the Blackmagic ATEM.