Re: [linux-audio-dev] JACK data transfers

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@email-addr-hiddendu
wrote:
> 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

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