Re: [RFC] Informal meeting during ELCE to discuss userspace support for stateless codecs

[Mauro Carvalho Chehab <mchehab+samsung@kernel.org>]

Em Mon, 22 Oct 2018 22:21:04 +0100
Hans Verkuil <hverkuil@xs4all.nl> escreveu:

> On 10/22/2018 10:17 PM, Hans Verkuil wrote:
> > A quick update:
> > 
> > As said in my previous email: we'll meet at 11 am at the registration desk.
> > From there we go to the Platform 5 Cafe. If that's too crowded/noisy, then
> > we'll try the Sheraton hotel.
> > 
> > Tomasz, I'll ping you on irc when we found a good spot and we can setup the
> > Hangouts meeting.

I'll be a little late to the meeting.

Still at hotel finishing my today's presentation.

Should be heading to EICC soon.

> 
> I forgot to mention: the spec with the Request API and the stateful+stateless
> codec API specification (latest patches from Tomasz and Alexandre) are available
> here:
> 
> https://hverkuil.home.xs4all.nl/request-api/
> 
> Also CC-ed Alexandre and Phillip.
> 
> Regards,
> 
> 	Hans
> 
> > 
> > Hope to see you all tomorrow,
> > 
> > Regards,
> > 
> > 	Hans
> > 
> > On 10/10/2018 07:55 AM, Hans Verkuil wrote:
> >> On 10/08/2018 01:53 PM, Hans Verkuil wrote:
> >>> Hi all,
> >>>
> >>> I would like to meet up somewhere during the ELCE to discuss userspace support
> >>> for stateless (and perhaps stateful as well?) codecs.
> >>>
> >>> It is also planned as a topic during the summit, but I would prefer to prepare
> >>> for that in advance, esp. since I myself do not have any experience writing
> >>> userspace SW for such devices.
> >>>
> >>> Nicolas, it would be really great if you can participate in this meeting
> >>> since you probably have the most experience with this by far.
> >>>
> >>> Looking through the ELCE program I found two timeslots that are likely to work
> >>> for most of us (because the topics in the program appear to be boring for us
> >>> media types!):
> >>>
> >>> Tuesday from 10:50-15:50
> >>
> >> Let's do this Tuesday. Let's meet at the Linux Foundation Registration
> >> Desk at 11:00. I'll try to figure out where we can sit the day before.
> >> Please check your email Tuesday morning for any last minute changes.
> >>
> >> Tomasz, it would be nice indeed if we can get you and Paul in as well
> >> using Hangouts on my laptop.
> >>
> >> I would very much appreciate it if those who have experience with the
> >> userspace support think about this beforehand and make some requirements
> >> list of what you would like to see.
> >>
> >> Regards,
> >>
> >> 	Hans
> >>
> >>>
> >>> or:
> >>>
> >>> Monday from 15:45 onward
> >>>
> >>> My guess is that we need 2-3 hours or so. Hard to predict.
> >>>
> >>> The basic question that I would like to have answered is what the userspace
> >>> component should look like? libv4l-like plugin or a library that userspace can
> >>> link with? Do we want more general support for stateful codecs as well that deals
> >>> with resolution changes and the more complex parts of the codec API?
> >>>
> >>> I've mailed this directly to those that I expect are most interested in this,
> >>> but if someone want to join in let me know.
> >>>
> >>> I want to keep the group small though, so you need to bring relevant experience
> >>> to the table.
> >>>
> >>> Regards,
> >>>
> >>> 	Hans
> >>>
> >>
> > 
> 




Cheers,
Mauro