Re: QEMU VNC Audio Patch

["Daniel P. Berrange" <dan berrange com>]

On Mon, Dec 12, 2011 at 02:27:51PM +0100, Gerd Hoffmann wrote:
>   Hi,
> 
> > I started using a modified TightVNC Java Client from 
> > http://www.paulsd.com/2009/VNC/   The client kept crashing and had significant 
> > audio glitches.   And on top of things, it was a bit awkward to use.   I 
> > hacked pulseaudio into the src.rpm for the SL61 gtk-vnc library so that I 
> > could add audio output to the virt-manager without having to touch that code 
> > as well (KISS principle).   Using this modified rpm, I am able to watch youtube 
> > videos, full screen in the VM (1600x1200) and have occasional audio issues.   
> > Maybe 1 detectable hiccup a minute.
> 
> Wow.  I guess you run vnc client and qemu-kvm on the same machine?  Does
> it still work that great if the data stream has to travel over the network?
> 
> One fundamental issue the vnc audio extension has is that both audio and
> video travel over the same tcp pipe.  So a bulky screen update can
> easily disturb audio playback by delaying the audio stream.  With slower
> network it will be more noticeable of course.

Yeah, I'm not really expecting this VNC audio support to be a serious
alternative to SPICE with audio. It was still nice to have the audio
support in GTK-VNC though

Daniel
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