[Spice-devel] intel vgpu framebuffer encoding & spice

[Zhenyu Wang]

On 2018.01.24 03:59:27 -0500, Frediano Ziglio wrote:
> There's not currently a remote solution as far as I know.
> The experimental patches sent on September 2016 were already using
> correcly gst_dmabuf_* functions without texture read back, the problem
> with GStreamer are stability and licensing.
> Licensing as missing some package (due to license) for encoding
> (like Intel encoding vaapi).

Could you elaborate on this? We're not awared of this issue before,
and if this is intel gst-vaapi issue, we may see if there's possible
solution on that.

thanks

> Stability as using GStreamer using libvirt causes some initialization
> crash due to some internal library (orc) refusing to work with
> a log an abort call.
> 
> We are pushing to get the required packages into the system.
> 
> Jonathon is working on separating GStreamer in another process
> to make it work.
> 
> Uri and Snir are working on the H/W encoding/decoding part.
> 
> Frediano
> 
> > 
> > Hi,
> > 
> > We'd like to know if there is a plan or any progress on proper remote display
> > by encoding vgpu's framebuffers as video directly through dma-buf file
> > descriptors.
> > 
> > The current remote display solution is using texture readback, which has
> > performance loss.
> > 
> > As SPICE can use GStreamer to encode and GStreamer has APIs like
> > "gst_dmabuf_*" which can be used to encode through dma-buf file descriptors,
> > can SPICE support APIs to
> > encode vgpu's framebuffer directly through dma-buf file descriptors, without
> > any copy?
> > 
> > Thanks.
> > 
> > BR,
> > Tina
> > 
> > 
> > 
> > 
> > 
> > 
> _______________________________________________
> intel-gvt-dev mailing list
> intel-gvt-dev at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gvt-dev

-- 
Open Source Technology Center, Intel ltd.

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