I would be presenting 2 short topics (15mins each) following Hans's suggestion. - V4L2 testing on Chromium using virtual video decode driver (VISL) - V4L2 video decoding testing with KernelCI On Wed, Jun 12, 2024 at 3:46 PM Hans Verkuil <hverkuil@xxxxxxxxx> wrote: > > On 6/12/24 06:12, Tomasz Figa wrote: > > On Wed, May 15, 2024 at 1:19 AM Daniel Almeida > > <daniel.almeida@xxxxxxxxxxxxx> wrote: > >> > >> Hi Hans, all, > >> > >> I’d like to attend in person and discuss the use of Rust in the subsystem, especially in light of [0] and [1]. > >> > >> Please note that these are new submissions that are unrelated with what was discussed last year. > >> > >> 30 minutes will do. > >> > >> [0] https://lwn.net/ml/linux-media/20240227215146.46487-1-daniel.almeida@xxxxxxxxxxxxx/ > >> [1] https://lwn.net/Articles/970565 > > > > Somewhat related to the topic: I see potential for a quite big > > redesign of the videobuf2 framework going forward and recently with > > more Rust adoption I'm starting to think it could benefit from being > > implemented in Rust, since we would have to rewrite it quite a bit > > anyway. Especially since it's a part of the subsystem that has to deal > > with memory management, object lifetime and asynchronousness quite a > > lot and we had a history of issues there. So it could be interesting > > to hear everyone's thoughts. > > I think it is far too soon to write a framework like that in Rust. To be > honest, I won't even consider it until Linus officially accepts Rust as a > second language in the kernel, instead of as an experiment. > > The vb2 framework can certainly use some more work, and esp. better support > for codecs, since that's where the main pain is at the moment. > > But I would need to see a proper proposal first. I assume that's what you > plan to present? > > > That said, I wouldn't be able to travel this time unfortunately, so it > > would be nice if we could arrange this topic in a time slot friendly > > for remote attendance from Japan. Also +Hidenori Kobayashi from my > > team who would also be interested in joining remotely. > > That would mean a slot in the morning, right? Since Japan is 7 hours ahead > of CEST. > > Regards, > > Hans > > > > > Best, > > Tomasz > >
