But the high-level idea is that a Raspberry Pi 4 with a simple USB HDMI capture device takes the video input and converts it on the fly to a scaled down Kindle-friendly format. The converted video ...
It's probably better to use the HDMI passthrough feature on your capture card, but if that's giving your trouble, a splitter may enable a workaround. Obstacles can force streamers to get creative.
[Majenko] ran into this when a need to capture some HDMI video output ended up with rather less than was expected. Faced with two similar choices of discount HDMI capture device, [Majenko] opted ...