[LAD] Any package builders here?

Fernando Lopez-Lezcano nando at ccrma.Stanford.EDU
Wed Jun 1 17:13:53 UTC 2011

On 06/01/2011 02:50 AM, Ralf Mardorf wrote:
> Hi :)
> could you please add a dependency to audio/MIDI app packages for your
> distros, that will set up real-time usage?
> The following issue is wide spread:
>          -------- Forwarded Message --------
>          >  Be sure you are able to run audio apps with the right
>          privileges, eg.
>          >  add your user to the "audio" group in /etc/groups and check
>          >  out /etc/security/limits.conf for these lines
>          >  @audio          -       rtprio          100

First Planet CCRMA (when jack was in the Planet CCRMA repository) and 
now Fedora (which includes jack2 out of the box) have had such 
configuration set up for many years - including memory locking.

> I can't see any reason not do add such a dependency. Or is there a good
> reason not to do?

To applications? Nope, not many if any would use SCHED_FIFO or SCHED_RR 
scheduling directly, "pro" audio apps rely on jack, and jack already has 
a proper configuration in most (all?) audio oriented distros.

-- Fernando

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