On 05/15/2017 09:38 PM, Len Ovens wrote:
On Tue, 16 May 2017, Bearcat Şándor wrote:
On Sun, May 14, 2017 at 6:49 PM Len Ovens <len@xxxxxxxxxxxxx> wrote:
about either one... but the first thing about both is that they
are a
collection of standards many of which we already have. The second
thing is
that to make good use of AVB requires the right ethernet card as
well. It
is possible to use AVB to transfer between two linux computers
(jack
to
jack) but requires manual setup to get it going. I don't know how
well
inclusion. I just discovered that the card that i'm looking at
states that
"in-kernel drivers will be released", which gives me hope that i won't
have to
keep gatherig modules for old kernel versions,
That was the sum of my thoughts on it really.
What Linux needs for network audio interfaces, is a GUI that "does it
all". Some thing that ties the jack dummy backend to the ethernet cards
timer. Something that shows all available streams and allows the user to
connect a remote stream to the linux box and open it as a client in jack
and connect it to whatever jack port the user asks. Simple.... we can't
even use two audio cards on the same machine via a GUI... Ya, USB mics
are a thing.
Some might say "do it with ALSA" and maybe that is right too.... but I
think jack is the right tool for this. It already thinks about routing
from anywhere to anywhere which is what networked audio is about.
This is what makes the MOTU devices so interesting. They give one an AVB
endpoint that is not totally useless while figuring out AVB cause it can
be used as a USB 2.0 device right now.
Yup.
The plan I was contemplating was to first try to implement a minimal
jack client that could access AVB streams (if AVB is sync'ed to the
Linux computer). Why? Because I already wrote a small jack client[*]
that uses the network to feed packets to 1/2 of a network snake box, and
I have used it for years as a "cheap" A/D and D/A "card". So maybe (just
maybe) this would be easier than the next more desirable option which
would be:
Code a full AVB jack backend :-)
How hard can that be??
But I have never found the time to begin exploring this...
-- Fernando
[*] https://ccrma.stanford.edu/~nando/publications/jack_mamba_lac2012.pdf
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