[Spice-devel] Announcing spice 0.9.0

[Alon Levy]

On Sat, Jul 23, 2011 at 06:16:35PM -0400, John A. Sullivan III wrote:
> On Sat, 2011-07-23 at 23:41 +0300, Alon Levy wrote:
> > <snip>> > 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.
> > 
> Hmmm . . . does that mean spicy has statically linked libjpeg-turbo?
> Again, I ask because of Debian and I assume that is important because we
> are striving for a more than just RedHat solution.  I'm not an expert at
> all but it seems like Debian is still struggling with libjpeg6.2 versus
> libjpeg8.  I think libjpeg-turbo is either only in unstable or
> experimental.  If libjpeg-turbo is not available in the distribution,
> will spicy as a client still be able to use it?
> 
> It's important to us because most of our servers are RedHat based but
> the desktops are Debian.  We contemplated Fedora desktops but KDE4 is a
> showstopper.  We are using Trinity with Debian Squeeze.  Thanks - John
> 

AFAIK libjpeg and libjpeg-turbo are interchangable at the api level, so I
expect spicy to work just fine with both (also, spicy is just a user of
spice-gtk, the library that is actually linked with either jpeg
implementation).