Overview
Explore the intricacies of supporting camera interfaces on ARM SoCs in this 39-minute conference talk by Maxime Ripard from Free Electrons. Dive into the Video4Linux (v4l2) subsystem, examining its stack architecture and the crucial interactions between SoC drivers and cameras. Learn from the speaker's experience developing a driver for Allwinner SoCs, specifically for the C.H.I.P platform using the upstream Linux kernel. Gain insights into VOB format, capture formats, Media Controller API, CPU usage, latency, buffering, scaling, and independent drivers. Understand various use cases and their implications for embedded Linux development. Benefit from the expertise of Maxime Ripard, an embedded Linux engineer, trainer, and maintainer of Allwinner ARM SoCs in the Linux kernel.
Syllabus
Intro
Background
VOB
Format
Drivers
Capture
Formats
Media Controller API
CPU Usage
Latency
Buffering
Scaling
Independent drivers
Use cases
Conclusion
Taught by
Linux Foundation