SOLO - QX1 video feed

Hello,
I own a solomapper from the french company escadrone. Pretty happy with it despite some random deconnections and an old servo gimbal. I now want to use my sony QX1 with my other solos, but I can’t find a solution to have the video feed on the HDMI port inside my solo.

Escadrone developped a system with an external raspberry and wifi dongle that output an hdmi to the solo’s port, but it’s heavy an not practical with the standard carrying boxes for solo.

Any help for something simple?
Thank you,
Julien from corvus Monitoring