Re: [Qemu-devel] [PATCH v2 4/4] audio: paaudio: ability to specify stream name

[Gerd Hoffmann]

> > Hmm, can we create an useful name automatically, without yet another
> > config option?
> > 
> > Useful choices could be the device name (usb-audio, ...) or the device
> > id (whatever -device id=xxx was specified on the command line).
> 
> I'm afraid this is not going to work with the current architecture: due
> to mixeng even if you have multiple devices, they'll be mixed to a
> single stream and the audio backend will only see this one mixed stream.
>  As a workaround we could do something like concat all device names or
> ids, but I don't like that idea.
> 
> Alternatively we could use the id of the audiodev instead, and no more
> problems with mixeng.  However, with mixeng off (implemented in my next
> patch series) suddenly soundcards will have suddenly end up as different
> streams.  (This can be worked around by creating multiple audiodevs,
> like what you have to use now to get multiple streams from pa, so this
> is probably a smaller problem.)
> 
> Currently I'm leaning for the audiodev's id option, unless someone
> proposes something better.

Hmm, maybe just wait and see if we really need that?

If we use the vm name for the pa connection I suspect most use cases are
covered ...

cheers,
  Gerd