[Spice-devel] KVM-SPICE: View youtube videos smoothly

Oscar Segarra oscar.segarra at gmail.com
Fri Mar 17 13:15:09 UTC 2017 

Hi,

Bug open at:

https://bugs.freedesktop.org/show_bug.cgi?id=100251

Thanks a lot!


2017-03-17 9:55 GMT+01:00 Pavel Grunt <pgrunt at redhat.com>:

> Hi Oscar,
>
> I have a guess but I really need more info and this is going off
> topic, can you please open a bug
> https://bugs.freedesktop.org/enter_bug.cgi?product=Spice&component=spi
> ce-gtk
>
> please provide rpm versions:
> rpm -q virt-manager spice-gtk3
>
> debug logs
>
> domain xml `virsh dumpxml VM`
>
> Thanks,
> Pavel
>
> On Fri, 2017-03-17 at 09:39 +0100, Oscar Segarra wrote:
> > Hi,
> >
> > I attach logs of virt-manager.
> >
> > I'd like to add that virt-viewer look work correctly.
> >
> > 2017-03-17 9:04 GMT+01:00 Pavel Grunt <pgrunt at redhat.com>:
> > > On Fri, 2017-03-17 at 01:40 +0100, Oscar Segarra wrote:
> > > > Hi Pavel,
> > > >
> > > > I have installed the latest nightly build but I have not seen
> > > any
> > > > difference to adjust spice options:
> > > >
> > >
> > > The options to enable streaming are not there, use `virsh edit` as
> > > mentioned earlier
> > >
> > > if the vm is in the user session
> > >
> > > $ virsh edit VM
> > > for system session
> > >
> > > $ virsh -c qemu:///system edit VM
> > >
> > > if you are talking about the options to change video encoder, they
> > > are
> > > in spicy - install package spice-gtk-tools
> > >
> > > and use it in similar way to remote-viewer
> > >
> > > $ spicy
> > >
> > > or
> > >
> > > $ spice --uri spice://host:port
> > >
> > >
> > > >
> > > >
> > > > I have not experienced any performance improvement... Just, from
> > > the
> > > > virt-manager I'm not able to see my windows 10 desktop (it is
> > > > completely black) XS
> > > Interesting, try running SPICE_DEBUG=1 virt-manager --debug
> > > and post the output (preferable do a bug report)
> > >
> > > >
> > > > Am I looking at the correct place?
> > >
> > > >
> > > >
> > > >
> > > > From Remote Viewer I can see the desktop as usual (I'm upgrading
> > > > windows):
> > > >
> > > >
> > > >
> > > > May I revert the spice install in order to make my virt-manager
> > > work
> > > > properly again?
> > >
> > > Downgrading should help, but we would really welcome a bug report
> > > (providing rpm versions of virt-manager and spice packages) in
> > > order
> > > to fix the bug.
> > >
> > >
> > > Thanks,
> > > Pavel
> > > >
> > > > Thanks a lot.
> > > >
> > > >
> > > > 2017-03-09 13:24 GMT+01:00 Oscar Segarra <oscar.segarra at gmail.co
> > > m>:
> > > > > Hi Pavel,
> > > > >
> > > > > Yes, in my configuration I have already set:
> > > > >
> > > > > vram: 64MB
> > > > > streaming mode='filter' <-- I have tested with 'all" as well
> > > with
> > > > > the same results
> > > > > image compression='auto_glz'
> > > > >
> > > > > When I connect through the Internet or from my home wi-fi
> > > (54Mbps)
> > > > > In the logs I can see "LOW BANDWITH" detected, and the video
> > > > > performance is really bad.
> > > > >
> > > > > Thanks a lot.
> > > > >
> > > > >
> > > > > 2017-03-09 13:14 GMT+01:00 Pavel Grunt <pgrunt at redhat.com>:
> > > > > > On Thu, 2017-03-09 at 06:43 -0500, Frediano Ziglio wrote:
> > > > > > >
> > > > > > >
> > > > > > > It's not a small addition. Usually wifi has a much higher
> > > > > > latency
> > > > > > > then wired lan. For comparison on lan usually you
> > > > > > > have 2-4 ms latency while on wifi 80-100 ms unless you
> > > have
> > > > > > powerful
> > > > > > > and quite idle network infrastructure
> > > > > > > (but still higher than wired).
> > > > > > >
> > > > > > > Unfortunately currently the protocol implementation is
> > > quite
> > > > > > latency
> > > > > > > dependent.
> > > > > > >
> > > > > > > I don't think the latency here is an issue if you are
> > > using a
> > > > > > recent
> > > > > > > encoder (here some client
> > > > > > > guy should help on how to know the encoder used).
> > > > > >
> > > > > > Since you are on el7 system you can test our nightly builds:
> > > > > > https://copr.fedorainfracloud.org/coprs/g/spice/nightly/
> > > > > > which provides ability to switch the video encoder in spicy
> > > > > > (package
> > > > > > spice-gtk-tools) under Options menu.
> > > > > >
> > > > > > Your vm needs to have the video streaming enabled (set to
> > > > > > 'filter' or
> > > > > > 'all').
> > > > > >
> > > > > > (virsh edit VM ; and add <streaming mode='all'/> to graphics
> > > > > > node)
> > > > > >
> > > > > > Also check if the image compression is turned on (ideally
> > > set to
> > > > > > glz)
> > > > > >
> > > > > > Pavel
> > > > > >
> > > > > > > Sorry, was meaning bandwidth in the above sentence.
> > > > > > >
> > > > > > > About the lag recently we detected another issue in the
> > > > > > protocol
> > > > > > > implementation, hope
> > > > > > > we can tune and fix it in a short period.
> > > > > > >
> > > > > > > Frediano
> > > > > > >
> > > > > > >
> > > > > > > I'd like to add that the connection is via wi-fi (54Mbps).
> > > > > > >
> > > > > > > Is it enough for spice videos?
> > > > > > >
> > > > > > > thanks a lot.
> > > > > > >
> > > > > > > 2017-03-08 19:14 GMT+01:00 Oscar Segarra <oscar.segarra at gm
> > > ail.
> > > > > > com>:
> > > > > > > > Hi,
> > > > > > > >
> > > > > > > > Youtuve videos from virt-manager (locally) has an
> > > acceptable
> > > > > > > > bejaviour... but If I try to connect from the LAN, the
> > > > > > behaviour
> > > > > > > > is not acceptable... the sound goes much faster than the
> > > > > > image.
> > > > > > > >
> > > > > > > > I have increased the video memory up to 64MB but I have
> > > not
> > > > > > > > experienced any improvement.
> > > > > > > >
> > > > > > > > Is there any way to diagnose this lag problems?
> > > > > > > >
> > > > > > > > Thanks a lot.
> > > > > > > >
> > > > > > > > 2017-03-03 22:45 GMT+01:00 Oscar Segarra <oscar.segarra@
> > > gmai
> > > > > > l.com>
> > > > > > > > :
> > > > > > > > > Hi,
> > > > > > > > >
> > > > > > > > > After some research, I have been able to install a
> > > newer
> > > > > > version
> > > > > > > > > from:
> > > > > > > > >
> > > > > > > > > https://fedorapeople.org/groups/virt/virtio-win/direct
> > > -dow
> > > > > > nloads
> > > > > > > > > /archive-virtio/virtio-win-0.1.133-1/
> > > > > > > > >
> > > > > > > > > Now, Video has experienced a nice improvement... but
> > > sound
> > > > > > still
> > > > > > > > > "hangs"...
> > > > > > > > >
> > > > > > > > > Is there any advice to customize sound?
> > > > > > > > >
> > > > > > > > > Thanks a lot.
> > > > > > > > >
> > > > > > > > > 2017-03-03 21:45 GMT+01:00 Pavel Grunt <pgrunt at redhat.
> > > com>
> > > > > > :
> > > > > > > > > > On Fri, 2017-03-03 at 20:19 +0100, Oscar Segarra
> > > wrote:
> > > > > > > > > > > I must say the version is weird.
> > > > > > > > > > > It is the version that comes with 2K8. I have not
> > > been
> > > > > > able
> > > > > > > > > > to find
> > > > > > > > > > > the W10 qxl driver... ¿Can you paste the link?
> > > > > > > > > > >
> > > > > > > > > > It is on our page
> > > > > > > > > > https://www.spice-space.org/download.html#windows-bi
> > > nari
> > > > > > es
> > > > > > > > > >
> > > > > > > > > > Windows QXL-WDDM-DOD driver
> > > > > > > > > >
> > > > > > > > > > > Beside that which versions (kvm, spice) are you
> > > using?
> > > > > > Are
> > > > > > > > > > you using
> > > > > > > > > > > a recent viewer?
> > > > > > > > > > >
> > > > > > > > > > > qemu-kvm.x86_64                10:1.5.3-126.el7
> > >
> > > > > >
> > > > > > > > > >
> > > > > > > > > > >           @base
> > > > > > > > > > > qemu-kvm-common.x86_64         10:1.5.3-126.el7
> > >
> > > > > > > > > > >
> > > > > > > > > > > spice-glib.x86_64              0.31-6.el7
> > >
> > > > > >
> > > > > > > > > >
> > > > > > > > > > >           @base
> > > > > > > > > > > spice-gtk3.x86_64              0.31-6.el7
> > >
> > > > > >
> > > > > > > > > >
> > > > > > > > > > >           @base
> > > > > > > > > > > spice-protocol.noarch          0.12.11-1.el7
> > >
> > > > > >
> > > > > > > > > >
> > > > > > > > > > >          @base
> > > > > > > > > > > spice-server.x86_64            0.12.4-19.el7
> > >
> > > > > >
> > > > > > > > > >
> > > > > > > > > > >          @base
> > > > > > > > > > >
> > > > > > > > > > > Regarding to the viewer version:
> > > > > > > > > > >
> > > > > > > > > > > remote-viewer.exe version 5.0-256
> > > > > > > > > > >
> > > > > > > > > > > Thanks a lot!
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > > 2017-03-03 18:04 GMT+01:00 Frediano Ziglio <fzigli
> > > o at re
> > > > > > dhat.c
> > > > > > > > > > om>:
> > > > > > > > > > > > Hi,
> > > > > > > > > > > >
> > > > > > > > > > > > In my environment I have a W10 guest running on
> > > a
> > > > > > centos 7
> > > > > > > > > > KVM
> > > > > > > > > > > > host.
> > > > > > > > > > > >
> > > > > > > > > > > > I have installed the following QXL Video driver:
> > > > > > > > > > > >
> > > > > > > > > > > >
> > > > > > > > > > > >
> > > > > > > > > > > > But when I try to see (on LAN) a youtube video,
> > > it
> > > > > > doesn't
> > > > > > > > > > play
> > > > > > > > > > > > smoothly, even video and sound stops for a while
> > > and
> > > > > > > > > > continues a
> > > > > > > > > > > > little bit later. It looks I can see the video
> > > > > > rendering
> > > > > > > > > > as i can
> > > > > > > > > > > > see a the half of one frame and the half of the
> > > > > > following
> > > > > > > > > > frame on
> > > > > > > > > > > > the same "image".
> > > > > > > > > > > >
> > > > > > > > > > > > If I minimize the internet explorer (or chrome)
> > > to
> > > > > > the
> > > > > > > > > > task-bar
> > > > > > > > > > > > image and sound goes better (not the perfect).
> > > > > > > > > > > >
> > > > > > > > > > > > ¿Is there any advice to improve video and sound
> > > > > > experience
> > > > > > > > > > in KVM
> > > > > > > > > > > > with spice?
> > > > > > > > > > > >
> > > > > > > > > > > > Thanks a lot,
> > > > > > > > > > > >
> > > > > > > > > > > > I must say the version is weird.
> > > > > > > > > > > > We released a Windows 10 driver not much ago.
> > > > > > > > > > > > Beside that which versions (kvm, spice) are you
> > > > > > using? Are
> > > > > > > > > > you
> > > > > > > > > > > > using a recent viewer?
> > > > > > > > > > > > New versions implements different code which
> > > > > > requires less
> > > > > > > > > > > > bandwidth (should not
> > > > > > > > > > > > be a big problem with LAN but you would make
> > > sure).
> > > > > > > > > > > >
> > > > > > > > > > > > Frediano
> > > > > > > > > > > >
> > > > > > > > > > > >
> > > > > > >
> > > > > > > _______________________________________________
> > > > > > > Spice-devel mailing list
> > > > > > > Spice-devel at lists.freedesktop.org
> > > > > > > https://lists.freedesktop.org/mailman/listinfo/spice-devel
> > > > > >
> > > > >
> > > > >
> > > >
> > > >
> > >
> >
> >
>
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