Re: [LAU] KVM virtual machines and jack

On Sat, Dec 5, 2009 at 6:07 PM, Patrick Shirkey
<pshirkey@email-addr-hidden> wrote:
>
> On 12/06/2009 08:53 AM, Eric Dantan Rzewnicki wrote:
>
> I haven't used netjack yet but recently several people have reported
> success with it on multiple machines on the jack-devel list.
>
> If you can install jack and run it on the vm and you have a network
> connection then netjack should work. The only possible issue I can think
> of is if the network-bridge does not allow you to find the internal
> ports of the host machine.
>

Yes, but I'm not thinking about secondary linux machines inside the
vm. I'm contemplating the idea of having guest windows / mac systems
and being able to interconnect audio programs on those machines with
linux programs via jack.

I know the jackmp implementation can build and run on windows, but I
don't think that does a lot of good since windows software really
isn't jack aware. Jack has better integration within mac, but there
are still limitations.

I'm wanting to have the virtual sound devices presented to the guest
systems hook into an alsa loopback device which then acts as a jack
source / destination. However I'm not really sure if I can have jack
connect to a loopback device and the actual sound card at the same
time. Is it possible to pair a loopback device and a real device into
a virtual device and then connect jack to the virtual device? A more
direct solution would be to add JACK support to KVM. (Bonus would be
if JACK MIDI also interfaced with the virtual sound device to allow
MIDI based transport control)

-Reuben
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Received on Sun Dec 6 04:15:02 2009