[winswitch] xpra sound sink

[Basil Thompson]

Hi Antoine


I still haven't had to time test this.. but wanted to at least reply and
say that you for your quick response and suggestions.

Kind Regards

Basil


On Fri, 20 Sep 2019 at 00:14, Antoine Martin via shifter-users <
shifter-users at lists.devloop.org.uk> wrote:

> On 19/09/2019 17:50, Basil Thompson via shifter-users wrote:
> > Hi There
> >
> > xpra audio sink question
> >
> > Do I have to have the same default plugin set on client and server in
> order
> > for the sync to work ?
> I'm not sure what the "default plugin" is.
> The audio codec must match, but that's automatic.
>
> > I am struggling to get the audio sync feature enabled in the xpra client.
> > Well at least I think that is the problem.
> >
> > So, so give as much info as possible..
> >
> > When I run xpra attach on my Windows 10 box.. in the command line - and
> > attach to a running server - if I right click on the xpra icon.. then
> hover
> > over audio.. the video sync is greyed out. and there is a "pop up" or
> tip -
> > that says server doesnt support video sync.
> >
> > Sound is enabled and sound does play.. just there is no sound buffer.
> > The sound buffer chart exists .. if I open session info.. but the graph
> > shows no info.
> >
> > If I run the server with -d av-sync I see a line that says something like
> > Server = True , Client = False
> >
> > So from that it appears that the server actually does support av-sync.
> The
> > server is a Centos 7 box.
> >
> > if I run the gstreamer utils on the centos box ( server ) .. it shows
> > alsasink, pulsesink, and autoaudiosink - default is pulsesink
> >
> > on the windows box if I run the gstreamer utils I see
> > directsoundsink, autoaudiosink  - default is directsoundsink
> >
> >
> > So, do I have to have the same default plugin set on client and server in
> > order for the sync to work ?
> >
> > Audio works... its just delayed .. and gets more delayed the longer I
> play
> > something with audio.
> >
> > I am running the latest version of xpra as of todays date // on both the
> > server and the client.
> You must be affected by this bug:
> http://xpra.org/trac/changeset/23662/xpra
>
> You can just download any recent beta builds and it will have that fix
> included.
>
> As for av-sync in general, your mileage may vary: there are so many
> variables at play that it is simply impossible to make it work reliably
> in all cases.
>
> Cheers,
> Antoine
>
>
> >
> > I have tried with and without nvidia encoding.. not that that would make
> a
> > difference just mentioning that I am using nvenc / cuda ..
> >
> > Kind Regards
> >
> > Basil
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