[FFmpeg-devel] [PATCH] lavu: add VKAPI hwcontext implementation

Suji Velupillai suji.velupillai at broadcom.com
Tue Mar 16 18:11:22 EET 2021


On Fri, Mar 12, 2021 at 2:06 PM Mark Thompson <sw at jkqxz.net> wrote:

> On 12/03/2021 18:29, Suji Velupillai wrote:
> > On Fri, Mar 12, 2021 at 1:12 AM Jean-Baptiste Kempf <jb at videolan.org>
> wrote:
> >
> >> On Thu, 11 Mar 2021, at 23:09, suji.velupillai at broadcom.com wrote:
> >>> Initial commit to add VKAPI hardware accelerator implementation.
> >>> The depedency component vkil source code can be obtained from github
> >>> https://github.com/Broadcom/vkil
> >>
> >> This has no license, no readme, no description.
> >>
> > I'll have this addressed in the github.
> >
> >
> >>
> >> What is the hardware supported?
> >>
> > It's an M.2 module connected via PCIe that supports video transcoding.
> Some
> > high level info can be found here
> >
> https://engineering.fb.com/2019/03/14/data-center-engineering/accelerating-infrastructure/
> >
> > Does it work for rPI?
> >>
> > No
>
> So it's some sort of custom hardware for Facebook servers, and presumably
> therefore of no use to anyone outside Facebook?  Why is this being
> submitted to FFmpeg?
>
> The servers are from Facebook's contribution to the Open Compute Project.
 See  Facebook Contributions to Open Compute Project (OCP)
<https://www.opencompute.org/contributions?refinementList%5Bcontributor%5D%5B0%5D=Facebook&refinementList%5Bproject%5D=&refinementList%5Bfamily%5D=&page=1&configure%5BfacetFilters%5D%5B0%5D=archived%3Afalse>
 .
The Video Transcoding PCIe cards are standard M.2 form factor and can be
used in standard Servers or Desktops that accept M.2 cards.
Kernel driver for the hardware is already in kernel 5.11.

> - Mark
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