20 Dec
2017
20 Dec
'17
2:37 a.m.
Hi,
have a look at:
https://github.com/AVnu/OpenAvnu
There you can find the entire AVB driver stack and subsystem. Along with
some Gstreamer and Jack Audio examples.
BR,
CK
On 12/20/2017 07:45 AM, Happy wrote:
Just received two of these (HP) I-210 "PCI 2.1" cards (from Amazon).
Installed one of them in and old PC with a PCI-e 2.0 x 4 slot (thus only
using part of the slot). Initially windows reported an error and it did
not work. Went back to Ubuntu 17.10 on the same machine and it worked
fine. (Same result as another person before me). Disabled the internal
NIC and started Windows again. Voila, it worked ! Re-enabled the
on-board NIC and it kept Working in windows. Just for reference. Don't
have a AVB audio device so cannot really test them. Looking if there is
any AVB test software out there to use these two cards to transmit AVB
based audio from one to the other.
From talking to Focusrite regarding AES67 and the Rednet series and
firmware support, got the following: "With regards to AES67
compatibility, this is possible for devices using the 'Brooklyn 2' Dante
chipset. RedNet 3s ship with a 'Brooklyn 1' chipset, though it's
possible to upgrade to a Brooklyn 2 (this would be chargeable). All of
our devices using Brooklyn 2 modules have AES67 compliance following the
latest firmware update available from RedNet Control" (Focusrite
Rednets use the Bonjour/mDNS protocol for discovery)
In conclusion, the 3 parts needed for full functionality on Linux
[1] Discovery - mDNS should be doable in Linux, right ?
[2] AoIP / clocking - This AES67 project
[3] Control (of the device) - Windows/Mac for the moment. Hopefully
suppliers will support some kind of new standard in the future for that
as well ( HTML XML, JSON or other open messaging over IP to configure
the unit). The Rednet3 will keep the routing/configuration after power
cycling thus until then that should be done under Windows.
Looking forward on the progress of this project !
On 10/1/2017 4:32 PM, Christoph Kuhr wrote:
A few years back there had been a AES67/Ravenna
implementation. But
the developer and ALX Networks could not agree on the license. The
developer wanted to publish it under GPL, which ALX Networks did not
want. So the implementation was dumped. Well, that is the story how I
know it.
The developer was Florian Faber, but he is no member of the jack-devel
or linux-devel list anymore. Perhapes, he might have some useful
insights, if you manage to find a contact. ;-)
On 09/30/2017 06:12 AM, happy musicmaker wrote:
There are some different I210 card versions it
seems, any
recommendations ?
They are all ok. I have different versions myself: Intel I210, HP
I210TI. But make shure it is no I217, because they have no traffic
shaping queues. Although they suport HW PTP timestamping.
BR,
CK
On Thu, Sep 28, 2017 at 6:11 PM, Christoph Kuhr
<christoph.kuhr(a)web.de <mailto:christoph.kuhr@web.de>> wrote:
With an Intel I210 NIC you can already have AVB in combination with
Jack. But you have to do some coding yourself to fit your purposes..
BTW:
I would never recommend buying MOTU.
BR,
Ck
On 09/28/2017 08:33 AM, happy musicmaker wrote:
MOTU just released the 828es with AVB and USB standard compliant
and two ADAT I/O and Web based (not ALSA) mixer. That would be,
for now, the ultimate (AVB) interface for Linux, if it works.
On Thu, Sep 28, 2017 at 11:31 AM, happy musicmaker
<happy.musicmaker(a)gmail.com <mailto:happy.musicmaker@gmail.com>
<mailto:happy.musicmaker@gmail.com
<mailto:happy.musicmaker@gmail.com>>> wrote:
That is such good news. What(low cost) hardware would
this
development be used on to support the developers with
testing/debugging and maybe even development ?
* MOTU LP32 (Preferred)
* MiniDSP
https://www.minidsp.com/products/network-audio/avb-dg
<https://www.minidsp.com/products/network-audio/avb-dg>
<https://www.minidsp.com/products/network-audio/avb-dg
<https://www.minidsp.com/products/network-audio/avb-dg>> (I think
MOTU's switch uses midDSP switch hardware)
I hope someday it will be possible to connect 4 or more 8
channel
ADAT modules (32 channels) to a PC under Ubuntu via AVB
with low
latency. The only option to get this done under Windows
is a
Focursrite DANTE based Rednet 3 right now because
Thunderbolt is not
really available there as well. Plan to get Rednet3, but
that does
not solve the Linux environment which I prefer. Would love
to be
able to use the Rednet 3 under Linux but since DANTE is
proprietary
, so unlikely.
My two wishes:
[a] Multi (16+) channel low latency audio I/O using ADAT
audio AD/DA
[b[ Bitwig supporting LV2 plugins.
With those two, the Linux Audio environment would be
perfect and
the world a better place.
*(Apology for the re-sends and ignore the previous edits.
Web based
Gmail is such a annoyance and un-logically structured)*
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