Re: short audio drop out when new jack clients are created and connected

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* Paul Davis <paul@xxxxxxxxxxxxxxxxxxxxx> [2021-11-09 17:00]:
> On Tue, Nov 9, 2021 at 8:52 AM Peter P. <peterparker@xxxxxxxxxxxx> wrote:
> >
> > Hi,
> >
> > I am currently giving linux-show-player a try but the following problem
> > might happen with other software as well.
> >
> > In linux-show-player audio files can be played back from a cue list.
> > Each cue is implemented as a separate jack client. I am having the
> > problem that starting a cue, while another one is already playing, is
> > causing an audible drop out in the audio processing. When running the
> > software under alsa, this does not seem to happen. I suspect that
> > creating and connecting new jack clients causes this to happen. No xruns
> > happen though. I can not reproduce this exactly, although it happens at
> > about 30% of cue starts. Increasing jackd's buffer size does not help so
> > far. How can I go about to debug this further?
> 
> A number of JACK-compatible applications disconnect/reconnect to JACK
> based on certain things that they do. Clementine, for example, will
> disconnect from JACK on stop, and reconnect on start. This is silly
> behavior, but it is understandable why they ended up this way.
> 
> The first question is: which version of JACK are you using? If it is
> JACK1, this behavior would be expected - connections in JACK1 are not
> click-free. If it is JACK2, then it is more of a problem, since if you
> are not using sync mode (typical), this should not happen.

Thanks Paul, indeed I am using JACK1. Largely because I remember
having had some problems / incompatibilities with JACK2 in the past. 

best, P
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