[libvirt] [PATCH v5 03/14] audio: -audiodev command line option: documentation
Daniel P. Berrangé
berrange at redhat.com
Fri Feb 22 14:29:21 UTC 2019
On Fri, Feb 22, 2019 at 03:22:35PM +0100, Gerd Hoffmann wrote:
> > > * deprecated QEMU_AUDIO_ env vars
> > Libvirt does currently use these, so we'll need to update libvirt
> > code to use the new cli args
> Note: The old vars will continue to work, and possibly it makes sense to
> keep at least QEMU_AUDIO_DRV (which I think is the only one used by
> libvirt) working a bit longer than the minimal deprecation period.
We can do the trivial replacement of QEMU_AUDIO_DRV with -audiodev
without much difficulty - just a matter of tweaking the CLI generator
The full support with XML configurability doesn't need to block us
dropping use of QEMU_AUDIO_DRV.
> Also: This is a first step only, there is more in the pipeline, where
> you can assign sound cards to backends (simliar to -netdev). You might
> want wait for this to land before start working on libvirt support, or
> at least keep in bind this is coming when designing things.
Libvirt lacks proper support for the existing multi-seat features in
QEMU. This audio stuff might be a good motivation to finally implement
the full multi-seat feature set.
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