[linux-audio-dev] JACK data transfers

danni danni.coy at gmail.com
Wed Jan 24 21:28:09 UTC 2007

On a side note there is a discussion on the freebob list of whether to add a 
control api to Jack or just for freebob.

On Thursday 25 January 2007 04:40, linux-audio-dev-request at music.columbia.edu 
> On 24 Jan 2007, at 16:02, Stefano D'Angelo wrote:
> > Well... I know I'm quite a boring person, but I need some informations
> > for my project and so I'm going to stress you a bit ;-)
> > I'm wondering if JACK is suitable to transfer non-audio data beetween
> > applications (my particular case is to transfer control data to
> > processing plugins). Is that "naturally" possible, is it an hack or is
> > it impossible at all?
> You could encode control data in the audio stream, or build a bespoke  
> JACK that add additional data types, or you could use the nascent  
> JACK-MIDI stuff.
> You could also look at OSC, which, depending on your syncronisation  
> needs could be a better fit.
> > And another thing (I'm too lazy to check it out myself :-P): does jack
> > transfers data by copying or uses something like shared memory or
> > whatever?
> It uses shared memory where possible.
> - Steve

When it comes to broken marriages most husbands will split the blame --
half his wife's fault, and half her mother's.

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