Orm Finnendahl | 23 May 18:20 2016
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jack_midi_event_write abs or rel time?

Hi,

 I'm writing a jack midi port for incudine, a common lisp based
realtime audio system. Midi in is already working, but for midi out I
couldn't find information about what kind of time should be supplied
to jack_midi_event_write. Is it in absolute or relative frames?

If it is relative to the current frame/block boundary:

I tested the received time values (using jack_midi_event_get) with
randomly generated midievents sent from pd over a2jmidi and got time
values between 0 and 42 with a jackd setting of 1024 frames/period and
2 periods. I would expect values between 0 and 1023, or is there some
misunderstanding on my side? Could this be due to a2jmidid?

--
Orm
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marcin@saepia.net | 16 May 14:07 2016
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Setting rpath while building JACK

Hello,

I need to make custom build of JACK that will reside in /opt/myjack

Now I have to use LD_LIBRARY_PATH because without one I get errors like this

/opt/myjack/bin/jack_lsp: error while loading shared libraries: libjack.so.0: cannot open shared object file: No such file or directory

I would like to use -rpath linker flag, but I found no clean way to use it. I tried to set LDFLAGS and other env vars but waf keeps ignoring it.

Any advice?

Marcin
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marcin@saepia.net | 16 May 13:54 2016
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Segfaults if setting --clients=512

Hello,

I am compiling JACK2 from commit 7de15e7a (the same as shipped with Ubuntu 14.04). I need to set --clients to quite high value, and I have found out that setting --clients=512 causes jackd to segfault while --clients=500 is fine.

Is that a bug or limitation by design?

Marcin
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Joakim Hernberg | 15 May 14:30 2016
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formatting of xrun messages

Anyone have an idea why jack1 displays xruns like this on my system
(for a long time already, not a recent issue)?

**** alsa_pcm: xrun of at least -1386461.056 msecs

The system is Archlinux with jack 0.124.1.

--

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Chuckk Hubbard | 14 May 01:12 2016
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Implement a driver as a writable client?

Hi.
I've been sinking lots of time in trying to get ALSA to work with a SGTL5000 (Teensy Audio Adapter) in Raspbian on a Raspberry Pi 3. I have the complete documentation for how to manually set up the audio chip, and sufficient documentation on how to manually set up the Pi's ARM I2S peripheral. The ALSA solution is generalized for any kind of hardware you could want, is something I don't really want to know, at all, in my life, and seems just far too complex when I have detailed guides for both the audio chip and the CPU. The one combination of ALSA platform, machine and codec drivers that I've managed to get sound from plays more than 2x too fast and will not open with JACK.

So, I'm reading about the JACK API, wondering about simply writing a C program to configure and write to the Pi's built-in I2S FIFOs, without even telling ALSA that I'm doing it; but I see that all JACK clients should use callback functions. Still, audio input from JACK into a program using the API is a regular thing, right? So how complicated might it be to set up such a client that gets audio input from JACK and writes that to the chip's I2S FIFO? My timing will be controlled by the audio chip, the Pi chip will be a slave to it. So as long as my program writes to the transmit FIFO fast enough, and waits if the FIFO is full, I think I don't need to worry about synchronizing JACK exactly to the audio chip's clock... right?

I'm just a little fuzzy on this timing part.
Thanks for any clarification.

-Chuckk
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Sound Rehab Austria | 13 May 15:45 2016

JACK win 64 bit

Hi!

 

I was wondering if there is a version that I could use to try linking Sonar and Mixbus under win 7 64 bit.

 

Best regards,

 

Robert

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Pawel | 12 May 08:26 2016
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Odp: Re: New build of QJackCtl for Windows

What about aliases ?

Dnia Czwartek, 12 Maja 2016 08:22 Hanspeter Portner <ventosus <at> airpost.net> napisał(a) 
> On 12.05.2016 06:27, aledez0 wrote:
> > is there any way to list the connections by how there are in the project file
> > instead of by alphabetical order?
> 
> YES (theoretically)
> 
> There is a way, by means of the metadata api [1] via the metadata key 
> 'http://jackaudio.org/metadata/order' [2], but the trio of JACK client, 
> server and patchbay must support this for it to work.
> 
> * the client sets the order of its ports via 'jack_set_property'
> * the server stores the metadata in a database
> * the patchbay reads the metadata to order ports accordingingly
> 
> NO (practically)
> 
> * only few clients and patchbays support this yet
> * JACK1 implements the metadata API, JACK2 still does NOT
> 
>  > in mixbus 3 once you have named the tracks
> > they don't show up in the connection window in the order they are in the
> > project window.
> 
> [1] http://jackaudio.org/api/group__Metadata.html
> [2] https://github.com/drobilla/jackey/blob/master/jackey.h
> _______________________________________________
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> Jack-Devel <at> lists.jackaudio.org
> http://lists.jackaudio.org/listinfo.cgi/jack-devel-jackaudio.org

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aledez0 | 12 May 06:12 2016
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32 channel limit

is there anyone out there who can make jackd pass more than 32 channels of
audio? i use pro tools and would like to route more than 32 channels to
mixbus 3

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Paul Davis | 4 May 13:49 2016

Re: jackaudio.org pull request

For ardour.org and community.ardour.org, we mirror the git repo to the webserver and make it rebuild the page(s) after a receiver. It works pretty easily - edit, commit, push ... gets mirrored automatically, website is rebuilt.

But I'm fine with any approach, really. It is true that the rebuild-on-server thing does make slightly more of a demand on the webserver config.


On Wed, May 4, 2016 at 5:04 AM, Markus Seeber <markus.seeber <at> mailbox.org> wrote:
I will think about that since that could solve some other problems too,
like being able to insert build date or commit hash or a tag into the
generated page.

Would you prefer the webserver to rebuild the page after a push? This
would require jekyll to be available on the webserver in the required
version (maintenance effort).
The other possibility would be to have discrete releases where _site is
rebuilt and tags are created, which would not require jekyll on the
webserver.
Depends on how you or anyone else maintaining the hosting would like to
have that handled.

If no decision is made, I'd rather tag discrete releases for now.

On 05/03/2016 08:48 PM, Paul Davis wrote:
> Well, either that or there needs to be post-pull hook that rebuilds _site
> ...
>
> On Tue, May 3, 2016 at 2:37 PM, Markus Seeber <markus.seeber <at> spectralbird.de
>> wrote:
>> This is correct. It is in sync with the changes I mentioned with the
>> last "pull request mail". The reason for not rebuilding "_site" on every
>> commit is, that changes to markdown files may generate a lot of changes
>> in "_site" so I do not commit "_site" on every change.
>>
>> I can create tags in future to signal a release, would this be appropriate?
>>
>> On 05/03/2016 08:05 PM, Paul Davis wrote:
>>> Markus - pulled the site, but the contents of the _site folder/dir do not
>>> appear up to date ...
>>>
>>> On Wed, Apr 6, 2016 at 12:38 PM, Markus Seeber <
>>> markus.seeber <at> spectralbird.de> wrote:
>>>
>>>> On 04/05/2016 03:38 PM, JoergSorge wrote:
>>>>>> Do you think the software is in a state such that end users can build,
>>>>>> install, configure and use it themselves?
>>>>> That's a good question ;-) I know, I have a lot to do to make install
>>>>> and docs user friendly...
>>>>> Regards Jörg
>>>>>
>>>> I tracked your request anyway:
>>>> https://github.com/jackaudio/jackaudio.github.com/issues/45
>>>>
>>>> If you think it is worth sharing, I'll include it.
>>>>
>>>> Best regards
>>>> Markus
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>>>> http://lists.jackaudio.org/listinfo.cgi/jack-devel-jackaudio.org
>>>>


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Sean Zicari | 3 May 17:54 2016
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Funding to get JackPilot / JackRouter fully functional

Greetings all,

What would it cost to address the El Capitan issues with JackPilot / JackRouter? I would like to put my money where my mouth is and either pay for it myself or gather funding for it to be fixed. I really love the software and would like to see it continue.

I was a happy user of JackPilot and JackRouter until updating to El Capitan. Now, I have to use another program called Loopback that, while it works consistently, has almost 10x the latency I was able to get before.

Sean
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Stéphane Letz | 25 Apr 11:40 2016
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Jack2 1.9.11 Windows installers to test

Two new installers to test for Windows : 

https://dl.dropboxusercontent.com/u/28869550/Jack_v1.9.11_32_setup.exe

https://dl.dropboxusercontent.com/u/28869550/Jack_v1.9.11_64_setup.exe

Thanks.

Stéphane
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Gmane