V4L2 - A Status Update

Explore the latest developments in the V4L2 subsystem in this comprehensive conference talk. Delve into the significant improvements made since early 2018, focusing on the introduction of the Request API for stateless hardware codecs and enhanced camera pipelines. Learn about the increased attention given to codecs, including the implementation of virtual drivers like vicodec for testing frameworks. Gain insights into the current state of V4L2 and its future prospects. Examine topics such as codec devices, I/B/P-frames, stateful and stateless codec support, userspace API for stateless decoders, H.264/HEVC decoder slicing support, and the role of virtual drivers in testing. Discover valuable resources to further expand your knowledge of V4L2 and its evolving capabilities in Linux video processing.

Intro
Codec Devices
Codecs: I/B/P-Frames
Stateful Codec Support
Stateless Codec Support
Stateless Decoder Support
Request API
Userspace API for Stateless Decoders
H.264/HEVC Decoder Slicing Support
Testing with Virtual Drivers
Resources