[Spice-devel] Announcing spice 0.9.0

[Alon Levy]

On Sat, Jul 23, 2011 at 04:23:43PM -0400, John A. Sullivan III wrote:
> On Sat, 2011-07-23 at 21:02 +0300, Alon Levy wrote:
> > On Sat, Jul 23, 2011 at 01:21:18PM -0400, John A. Sullivan III wrote:
> > > On Sat, 2011-07-23 at 20:14 +0300, Alon Levy wrote:
> > > > On Sat, Jul 23, 2011 at 12:43:05PM -0400, John A. Sullivan III wrote:
> > > > > On Sat, 2011-07-23 at 19:13 +0300, Alon Levy wrote:
> > > > > > Hi All,
> > > > > > 
> > > > > > I'm happy to announce the first 0.9.x spice development
> > > > > > release 0.9.0. This release is in preparation to a 0.10.0
> > > > > > release in sync with Fedora 16 freeze schedule (ish). Not
> > > > > > much new, but a lot of code churn.
> > > > > > 
> > > > > > Major changes in spice 0.9.0:
> > > > > > =============================
> > > > > > * !Development Release!
> > > > > > * volume synchronization between client and guest (client->guest only)
> > > > > > * turbo-jpeg used to avoid expensive color conversion in mjpeg encoder.
> > > > > > * Cleanups
> > > > > > 
> > > > > > You can download source tarbals for spice-0.9.0 here:
> > > > > > http://spice-space.org/download.html
> > > > > > 
> > > > > <snip>
> > > > > Great news! Any chance the turbo-jpeg change will be pushed down to
> > > > > 0.8.x? Thanks - John
> > > > > 
> > > > 
> > > > Unfortunately I can't give you an ETA for that, or even say it will happen. We
> > > > are currently focused on getting the next 0.10.0 release, and working on the next
> > > > RHEL 6.2 releases.
> > > > 
> > > > Why not try the 0.9.0 release? it is what will become 0.10.0 and could certainly
> > > > use some more users. It should be pretty stable (Famous Last Words).
> > > > 
> > > > Alon
> > > We were trying to stay with the repositories but, considering the issues
> > > we are having with 0.8 as we examine if it is production ready, we
> > > probably should go with 0.9.  Is there a repository for it? If not, is
> > 
> > There is no repository for 0.9.
> > 
> > I don't think there is *that* much difference between 0.8 and 0.9 - if you
> > want to see the improvement Christophe did to the mjpeg encoding, sure, but
> > don't expect it to fix the 1:5 ratio you noticed. I haven't tried to
> > reproduce that ratio yet - so I don't know if it is your environment or
> > just a shortage of spice, but the bottom line is it won't be fixed by
> > switching to 0.9
> > 
> > > it safe to use the 0.8 source rpms and rebuild with new source? If not,
> > > we'll simply compile from source and try to keep it all straight.
> > > Thanks - John
> > > 
> > It shoud work by just dropping in the 0.9 source and changing the version
> > in the spec, or you can build from source.
> > 
> We'll give it a whirl and I'll rebuild the RPMs.
> 
> I'm eager to see the video difference as video is one of the big drivers
> of our interest in SPICE.  To reap the benefits, do both sides of the
> connection need to be using libjpeg-turbo, e.g., I don't think that's an
> easy option on Squeeze right now.  Thanks - John
> 

It is better to have turbo-jpeg on both ends, but it's independent - decoding
is probably faster with it too, but this change is just to the encoder. I think
spicy already uses turbo-jpeg, not sure about spicec.