Am Mon, 28. Dec 2009 um 15:24:02 -0500 schrieb lanas: > Le Lundi, 28 Décembre 2009 20:17:21 +0100, > Guido Scholz <guido.scholz@xxxxxxxxxxxxx> a écrit : Hi "lanas", could you please reply to the list an not to my private e-mail? > > as far as I understood your experiment, you compared these two setups > > to conclude "QARecord is to blame": > Not really. And I forgot to mention jackmix which looks like another > quick hack. Hm, yes that sounds pretty persuading. > This is because it was not much of an experiment to start with but > rather an observation derived from finding a way to record the song > without so many xruns. I am aware of that and chose this wording to encourage you to discover the real root cause. Currently we suffer from hypotheses (at least I do). > As such, the observation was quite clear: kernel real-time > capabilities, although they might play a role somewhere, had nothing > to do in producing xruns since switching applications resolved the > problem. From that observation then a question arose: there must be a > bad way and a good way of writing a Linux audio/jack application: what > is it ? So did you get the answer? > > For mathematical reasons I would like to get your result from this > > alternative setup (also giving better access to a root cause): > > > > 3) noise -> jackmix -> Ardour -> wav-file > Indeed. That's the possibility I haven't explored since I think the > result of the observation was to see that there's a bad and good way of > writing such applications. I see, so you are more interested from a philosophical (or moral?) point of view. > Now, that the bad way lies with jackmix > and/or Qarecord is a second point that has more to do with technical > performance in the context of writing such an audio/jack application. > Which is not the case at the moment. Hm sorry, I didn't get that. > > Some other interesting information would be, what program versions > > (jackmix, QARecord) are you using? > Hmmm.. I'd disagree with this insofar as debugging these apps is > certainly not the matter. So yes well, but are you sure, you understood my question? Guido -- http://www.bayernline.de/~gscholz/ http://www.lug-burghausen.org/
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