[Ardour-Users] Ardour as a midi timecode slave

Paul Davis paul at linuxaudiosystems.com
Thu Apr 29 15:01:11 PDT 2021


On Thu, Apr 29, 2021 at 3:39 PM robertlazarski <robertlazarski at gmail.com>
wrote:

>
>
> On Thu, Apr 29, 2021 at 11:17 AM Paul Davis <paul at linuxaudiosystems.com>
> wrote:
>
>>
>>
>> On Thu, Apr 29, 2021 at 3:15 PM robertlazarski <robertlazarski at gmail.com>
>> wrote:
>>
>>>
>>>
>>> 1) I need to automate the jack "rolling feature" via command line
>>> execution, i.e. the play button in the qjackctl UI. That will start/stop
>>> the transport in Rosegarden via jack_midi_clock start / stop commands. I
>>> couldn't figure out how to automate the play button. Even without qjackctl
>>> I am not sure how to start/stop jackd rolling from the command line. Any
>>> pointers?
>>>
>>
>> jack_transport(1)
>>
>
> I am running Jack2 1.9.12 on OpenSuse leap 15 and I don't have
> jack_transport installed. Should I compile the latest jack from source?
> Also, I have some type of python version problem on my system maybe with
> the commands I do have:
>

probably a packaging issue.


> Terminology is important, and now I see that I spend too much time at my
> day job using nmap.  I mean I need to connect the jack_midi_clock output to
> the Rosegarden a2j external controller input, like I expect I will need to
> do for a hardware midi interface.
>

jack_connect can do it; qjackctl's patchbay feature can do it. for example,
i have the patchbay set up to always connect VCV Rack outputs
appropriately, since it does not do that itself.
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