Re: [linux-audio-dev] jack newbie question

> >- is there an api function, that tells jack not to kick the
> >application
>
> absolutely not. if you miss RT deadlines for your process() callback
> (or more precisely, if JACK believes you did) it has no choice but to
> evict you from the graph. if you are left in the graph, the chances
> are that you will just do it again. the only except is if the user
> specified on the command line that they did not want this behaviour
> (e.g. for live work where an xrun is better than a client being
> kicked). but its definitely not up to the client.
hm ... the application is basically not rt-safe at all ... fixing this
should be possible, but that's a more general problem ...

> >or a callback that tells the application that it has been kicked out?
> register a shutdown callback, and you'll find out about it.
thanks ... i'll try this ...

> >- is it possible to query the time out so that i can adapt the
> >callback that it finished before this time out?
>
> you know how many frames you have to process and you know the sample
> rate. but you have no idea how many other clients are running, so you
> don't know how much time *you* actually have. you just have to adhere
> to the basic rule:
>
> number of cycles = (A * number of frames) + C
>
> where A and C are constant.
i see ... i'll do this manually ...

thanks a lot ... tim

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