[fedora-virt] improving win7 guest sound and video performance

Cole Robinson crobinso at redhat.com
Wed Sep 10 18:06:59 UTC 2014


I'm not really sure about the syncing issue TBH, you can try filing a bug and
I can point more qualified people at it, I suspect it's a known issue though

- Cole

On 09/10/2014 02:04 PM, Daniel Sanabria wrote:
> Thanks very much Cole!
> 
> Mid week on the clock and issue is fixed (qemu-1.6.2-8). 
> 
> I just wish video lip-sync also gets fixed eventually. Do you know if there's
> a bug for that? Unfortunately and for some time now video and audio on youtube
> are always out of sync.
> 
> Daniel
> 
> On 7 September 2014 16:32, Cole Robinson <crobinso at redhat.com
> <mailto:crobinso at redhat.com>> wrote:
> 
>     qemu will be getting the fix, should be in updates-testing by mid week
> 
>     - Cole
> 
>     On 09/07/2014 11:31 AM, Daniel Sanabria wrote:
>     > Thanks Guys,
>     >
>     > The problem is as reported in bug.
>     >
>     > Please let me know if you need any help with testing once the build is ready ,
>     > I'm happy to help. Which package will contain the fix so I can keep an eye
>     > when updating the host?
>     >
>     > Cheers,
>     >
>     > Daniel
>     >
>     > On 7 September 2014 16:08, Cole Robinson <crobinso at redhat.com <mailto:crobinso at redhat.com>
>     > <mailto:crobinso at redhat.com <mailto:crobinso at redhat.com>>> wrote:
>     >
>     >     On 09/06/2014 06:01 PM, Daniel Sanabria wrote:
>     >     > Hi,
>     >     >
>     >     > I wonder if someone can help.
>     >     >
>     >     > Video performance (youtube) in my win7 guest is decent but the
>     sound somehow
>     >     > is slow, and I mean slow like playing a record at low rpm (no chopped
>     >     sound or
>     >     > jitter).
>     >     >
>     >     > I'm running an up to date fedora 20 host. My guest definition can be
>     >     found here:
>     >     >
>     >     > http://pastebin.com/YybiPnAp
>     >     >
>     >     > Any ideas about what settings can be tweaked to get the best
>     possible video
>     >     > and sound performance out of a win7 guest?
>     >     >
>     >
>     >     Slowness is this bug I assume:
>     >
>     >     https://bugzilla.redhat.com/show_bug.cgi?id=1129961
>     >
>     >     I'll be doing a build for that soon.
>     >
>     >     - Cole
>     >
>     >
> 
> 



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