[Spice-devel] Spice optimization over WAN

[Pavel Grunt]

Hi,

On Thu, 2017-03-23 at 09:32 +0100, Oscar Segarra wrote:
> Hi, 
> 
> Anybody knows if there is more information about theese parameters?
> streaming-video=<all|filter|off> Set video streams detection and
> (lossy) compression (default=filter)
Spice server will do its best to detect video streams and it will
create a image stream (compressed by MJPEG) instead of sending many
images.
https://en.wikipedia.org/wiki/Motion_JPEG

> playback-compression=<on|off> Set playback compression, using the
> CELT algorithm (default=on)

It sounds like it does compression of raw audio data
https://en.wikipedia.org/wiki/CELT

Pavel

> Thanks a lot
> 
> 2017-03-16 17:22 GMT+01:00 Oscar Segarra <oscar.segarra at gmail.com>:
> > Hi Pavel, Thiago, 
> > 
> > Thanks a lot for your quick response...
> > 
> > What about playback-compression?
> > 
> > I'd like you to help me to understand theese parameters:
> > streaming-video=<all|filter|off> Set video streams detection and
> > (lossy) compression (default=filter)
> > playback-compression=<on|off> Set playback compression, using the
> > CELT algorithm (default=on)
> > Thanks a lot!
> > 
> > 2017-03-16 16:53 GMT+01:00 Pavel Grunt <pgrunt at redhat.com>:
> > > On Thu, 2017-03-16 at 10:12 +0100, Oscar Segarra wrote:
> > > > Hi Thiago, 
> > > >
> > > > Thanks a lot for the useful link...
> > > >
> > > > Can you/anybody tell us the suggested configuration/parameters
> > > for
> > > > best performans over WAN?
> > > 
> > > It requires some testing on your side, you can start with these
> > > "aggressive" settings:
> > > image-compression=glz
> > > jpeg-wan-compression=always
> > > zlib-glz-wan-compression=always
> > > streaming-video=filter
> > > 
> > > Pavel
> > > 
> > > >
> > > > Thanks a lot.
> > > >
> > > > 2017-03-16 0:07 GMT+01:00 Thiago Nascimento Araujo <taraujo at ar
> > > tit.co
> > > > m.br>:
> > > > > Hi Oscar,
> > > > >
> > > > > I believe the documents is talking about the options
> > > described in
> > > > > the link below.
> > > > >
> > > > > https://people.freedesktop.org/~teuf/spice-doc/html/ch03.htm
> > > l
> > > > >
> > > > > Hope it helps.
> > > > >
> > > > > De: "Oscar Segarra" <oscar.segarra at gmail.com>
> > > > > Para: spice-devel at lists.freedesktop.org
> > > > > Enviadas: Quarta-feira, 15 de março de 2017 14:04:14
> > > > > Assunto: [Spice-devel] Spice optimization over WAN
> > > > >
> > > > >
> > > > > Hi, 
> > > > >
> > > > > I have read quite slowly the datasheet published by redhat:
> > > > >
> > > > > https://www.redhat.com/en/files/resources/en-rhev-spice-prot
> > > ocol-1
> > > > > 1080057.pdf
> > > > >
> > > > > Where one can read:
> > > > >
> > > > > "In addition, SPICE has WAN optimization capabilities
> > > optimize the
> > > > > user experience for lower bandwidth and/or higher latency
> > > network
> > > > > connections"
> > > > >
> > > > > Anybody knows where can I find documentation about this
> > > > > optimization capabilities for lower bandwith and high
> > > latency
> > > > > networks?
> > > > >
> > > > > Thanks a lot.
> > > > >
> > > > > _______________________________________________
> > > > > Spice-devel mailing list
> > > > > Spice-devel at lists.freedesktop.org
> > > > > https://lists.freedesktop.org/mailman/listinfo/spice-devel
> > > > >
> > > > >
> > > >
> > > > _______________________________________________
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> > > > Spice-devel at lists.freedesktop.org
> > > > https://lists.freedesktop.org/mailman/listinfo/spice-devel
> > > 
> > 
> > 
> 
>