[LAU] Jackd and Other Alsa applications at the same time.

Fons Adriaensen fons at kokkinizita.net
Mon Feb 18 08:12:49 EST 2008


On Mon, Feb 18, 2008 at 02:48:35PM +0200, Sampo Savolainen wrote:

> > How is this exclusive access given to Jack ?
> 
> Exclusive access is not given to it. Jack takes exclusive access when you
> start it. If it's unable to get exclusive access it will fail to start.

There is nothing in jack's alsa backend code that tries to get
exclusive acces. The simple fact is that ALSA pcm devices are
always exclusive. The only exceptions being the dmix/dsnoop devices
which usually don't work very well with jack.
 
> Once it has started, other programs will be unable to access that audio
> device. The device is released when jack stops.

Correct.

-- 
FA

Laboratorio di Acustica ed Elettroacustica
Parma, Italia

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