Re: Getting involved with implementation of remote spice for 3D accelerated VMs

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Hi,

On Mon, Jan 09, 2017 at 04:27:35AM -0500, Frediano Ziglio wrote:
> The patches for Virgl are working and require only tweaks.  We wanted
> to have some working PoC for all next 3D software, that include GPU
> passtrough to make sure that the Virgl doesn't complicate the overall
> design. We plan to have these definitive PoCs in a couple of months.
>
> About video streaming acceleration for the client somebody are doing
> some stuff. Recent client versions are using gstreamer to handle
> decoding so potentially this could be a question of choosing the right
> plugins, test and package them correctly

Yes, I'm trying to play with it now and then in the client using
gstreamer1-vaapi it works but we don't handle hw decoding specifically.
If you have all the right bits installed, you can try enabling
SPICE_GSTVIDEO_AUTO which uses decodebin. It should try vaapi elemets
(and hw decoding) if possible.

But to have this working nicely, we should have an easy way to setup
spice-sever to use vp8 or h264 which broadens the hw decoding
possibilities (and makes much easier to test too!) - So, I've started
playing with that first [0]

[0] https://lists.freedesktop.org/archives/spice-devel/2017-January/034815.html

With that in, working on improving the client-side to handle hw decoding
will be easier. If you are interested in the decoding side, feel free to
jump in :)

> (this is more challenging for Windows for instance).

Indeed

>
> Frediano
>
> ----- Original Message -----
> 
> > From: "Behrooz Shabani" <everplays@xxxxxxxxx>
> > To: "spice-devel" <spice-devel@xxxxxxxxxxxxxxx>
> > Cc: "Armin Ranjbar" <zoup@xxxxxxxx>
> > Sent: Sunday, January 8, 2017 12:39:52 PM
> > Subject: Re:  Getting involved with implementation of remote
> > spice for 3D accelerated VMs
> 
> > Thanks Gerd and hello mailing list :-),
> 
> > As it is obvious from my previous email, I am looking for some guidance to
> > make some contribution while I am working on my specialization.
> 
> > At this moment, I know what I like to be able to do with Spice:
> 
> > * Remote access with 3D acceleration
> > * Decoding the video stream via GPU on the client.
> > However, I have no idea what their status is and where I should begin to
> > contribute. Therefore, any information towards making me useful to spice (as
> > I want to do more than just basing my research on virtgl/spice), would be
> > very helpful.
> 
> > Thanks in advance.
> 
> > P.S. I have joined the IRC channel with the nickname `behrooz` as well.
> 
> > On Fri, Jan 6, 2017 at 10:45 AM, Gerd Hoffmann < kraxel@xxxxxxxxxx > wrote:
> 
> > > On Mi, 2017-01-04 at 15:40 +0100, Behrooz Shabani wrote:
> > 
> > > > Hi Gerd,
> > 
> > > >
> > 
> > > >
> > 
> > > > I hope you are doing well.
> > 
> > > >
> > 
> > > >
> > 
> > > > I watched one of your talks about virgl and spice, great work!
> > 
> > > >
> > 
> > > >
> > 
> > > > Currently, I am busy with my specialization at Saxion university which
> > 
> > > > is about virtualization of graphic cards.
> > 
> > > >
> > 
> > > >
> > 
> > > > I was wondering how I can get involved to implement 3D accelerated VM
> > 
> > > > over network with spice. And after that, maybe, with using the GPU of
> > 
> > > > the system that runs spice to decode the video stream. Essentially, I
> > 
> > > > am looking for your guidance to understand what needs to be done so I
> > 
> > > > can get on with implementing it.
> > 
> 
> > > That question is asked best on the spice-devel mainling list (added to
> > 
> > > Cc:).
> > 
> 
> > > Improving video encoding support in spice is making progress, and remote
> > 
> > > support for virtio-gpu (and intel-vgpu) will build on top of that.
> > 
> 
> > > But I don't know in detail what the status is and what still needs to be
> > 
> > > done to complete remote support.
> > 
> 
> > > cheers,
> > 
> > > Gerd
> > 
> 
> > --
> > regards,
> > behrooz
> 
> > _______________________________________________
> > Spice-devel mailing list
> > Spice-devel@xxxxxxxxxxxxxxxxxxxxx
> > https://lists.freedesktop.org/mailman/listinfo/spice-devel

> _______________________________________________
> Spice-devel mailing list
> Spice-devel@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/spice-devel

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