[LAD] Possible to run jackd on Android?

Paul Davis paul at linuxaudiosystems.com
Fri Aug 31 15:28:40 UTC 2012

On Fri, Aug 31, 2012 at 9:34 AM, Bill Gribble <grib at billgribble.com> wrote:

> For a few years I have used an Atom UMPC as my "mobile development
> terminal", allowing me to build and run code at much lower performance
> than I would expect from a "real" system but good enough for working on
> new bits of code and finding performance bottlenecks :)
> I am migrating over to a Nexus 7 with a Debian chroot environment and
> tightvnc for display. This is working great for most things.  The last
> bit is to be able to run jackd so I can actually test audio parts of the
> programs I work on the most.
> I don't care about latency, or even xruns.  This isn't for production
> use.  I just want to be able to exercise the jack client library, make
> connections, and hopefully get SOME audio output.  The current problem I
> am having is that sys V shared mem API is not supported.
>         $ jackd -d alsa
>         jackdmp 1.9.9
>         Copyright 2001-2005 Paul Davis and others.
>         Copyright 2004-2012 Grame.
>         jackdmp comes with ABSOLUTELY NO WARRANTY
>         This is free software, and you are welcome to redistribute it
>         under certain conditions; see the file COPYING for details
>         JACK semaphore error: semget creation (Function not implemented)
>         jack_shm_lock_registry fails...
>         No access to shm registry
>         Failed to open server
> Has anybody done anything like what I'm working toward?  Any workarounds
> for missing shm API?

jack1 (at least) has support for POSIX semaphores as an alternative to SYSV
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