Re: [Jack-Devel] AES67 / SMPTE ST 2110-30

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DateWed, 20 Dec 2017 11:22:41 +0100
From Christoph Kuhr <[hidden] at web dot de>
ToHappy <[hidden] at gmail dot com>, [hidden] at uhasselt dot be
Cc[hidden] at lists dot jackaudio dot org
In-Reply-ToChristoph Kuhr Re: [Jack-Devel] AES67 / SMPTE ST 2110-30
Follow-Upzmlopez Re: [Jack-Devel] AES67 / SMPTE ST 2110-30
PS
The thesis includes an AES67 controller based on Python3, Websockets and JSON objects. As discovery library, Avahi shall be used. All setup as a Docker container. Thus, it should be platform independent.



Am 20. Dezember 2017 10:37:46 MEZ schrieb Christoph Kuhr <[hidden]>:
>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 
>>>> <[hidden] <mailto:[hidden]>> 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
>>>>         <[hidden]
><mailto:[hidden]>
>>>>         <mailto:[hidden]
>>>>         <mailto:[hidden]>>> 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)*
>>>>
>>>>
>>>>
>>>>
>>>>         
>>>>         Jack-Devel mailing list
>>>>         [hidden]
>>>>         <mailto:[hidden]>
>>>> http://lists.jackaudio.org/listinfo.cgi/jack-devel-jackaudio.org
>>>> <http://lists.jackaudio.org/listinfo.cgi/jack-devel-jackaudio.org>
>>>>
>>>>
>>>>     
>>>>     Jack-Devel mailing list
>>>>     [hidden] 
>>>> <mailto:[hidden]>
>>>> http://lists.jackaudio.org/listinfo.cgi/jack-devel-jackaudio.org
>>>> <http://lists.jackaudio.org/listinfo.cgi/jack-devel-jackaudio.org>
>>>>
>>>>
>>>
>> 

-- 
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