HDMI 4K Video: Lessons Learned in Hardware, Protocol, and Driver Development

Explore the challenges and considerations of implementing HDMI 4k video output and capture in this informative conference talk. Delve into the intricacies of 4k video from hardware, HDMI protocol, and kernel driver perspectives. Gain valuable insights on selecting 4k-capable equipment and accessories, including cables and adapters, in a market filled with uncertainties. Learn about key topics such as HDMI lines, hardware design lessons, protocol intricacies, RGB quantization range, driver considerations, and various adapter types. Benefit from the expertise of Hans Verkuil, a video4linux co-maintainer and senior R&D software engineer at Cisco Systems Norway, as he shares lessons learned and essential resources for successfully navigating the world of HDMI 4k video implementation.

Intro
Main HDMI Lines
What Does HDMI 4k Video Mean?
Hardware Design Lessons
HDMI Protocol Lessons
HDMI RGB Quantization Range (1)
Driver Lessons
DisplayPort to HDMI Adapters
USB-C to HDMI Adapters
HDMI Cables
HDMI Accessories in General
Resources