20 Sep
2016
20 Sep
'16
2:58 p.m.
people still use abelton?
geez with NI tractor ns8 I can't imagine or phathom needing a slow
antiquated midi based performance piece LOL
Ron Stewart
On Tue, Sep 20, 2016 at 8:25 AM, Robin Gareus <robin(a)gareus.org> wrote:
On 09/20/2016 01:40 PM, Patrick Shirkey wrote:
it
> On 09/20/2016 07:03 AM, Patrick Shirkey wrote:
>>
>> Because netjack isn't good enough
>
> correct.
>
> jack can have a single timebase master and likewise netjack has a single
> net-master.
>
> Ableton-Link is decentralized: Multiple performers can interact with
> each other on an equal level (no master/slave semantics).
>
> It's not groundbreaking tech. Laptop orchestras and the likes have used
> similar techniques since a while, but all prior-art that I know is
ad-hoc.
As far as I know this is the only protocol concerning *musical-time*
that's spec'ed out, has a cross-platform reference implementation and
potential to find its way into hardware.
Feel free to criticize the protocol on a technical level or hunt for
bugs in the implementation ... or simply ignore it silently.
So then the next question would be is there any reason NOT to integrate directly into JACK?
There's an existing feature request already: [1]
JACK cannot be slaved to anything. jackd is always master, so there's a
conceptual conflict.
Closest concept is jack-timebase master [2]. A client can provide
musical-time to jack and thereby to all jack clients that support jack
transport.
So yes, there are some reasons to not *directly* integrate it, but like
existing jack tools [3] (jack_lsp, jack_connect, jack_transport,...) it
could be included with jack one way or another. Seamless integration is
possible. It just needs someone to do the work.
Rui already has a working standalone prototype (no timebase support yet,
but it's a good start).
There are also some technical details to be sorted out: e.g. the current
Link reference implementation requires C++11, jack-tools are C89... but
those are details.
Cheers!
robin
[1] https://github.com/jackaudio/jack2/issues/231
[2] http://jackaudio.org/files/docs/html/group__TransportControl.html
[3] https://github.com/jackaudio/tools
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