This documentation will introduce the usage of HDMI Input.
This documentation is only for Linux system.
HDMI input preview can only work under framebuffer console, so you need to use the server image, you can install via OOWOW.
You must connect your VIM4 to a workablbe HDMI screen or the HDMI IN will not working.
If you use the desktop image, you need to switch to the framebuffer console.
sudo chvt 3 echo 1 | sudo tee /sys/class/graphics/fb0/blank echo 0 | sudo tee /sys/class/graphics/fb0/blank
If you want to go back to the desktop sudo chvt 2
sudo apt update sudo apt install libgrpc++1 libboost-system1.74.0 wget https://github.com/numbqq/hdmiin-demo-debs-aml/raw/5.4/jammy/arm64/hdmiin-demo_0.5-202211_arm64.deb sudo dpkg -i hdmiin-demo_0.5-202211_arm64.deb
sudo hdmiin-demo
If everything is OK you will see the HDMI Input source on your display.