[Bug 692953] alsa modules are silent or noisy after several hours of use

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=692953
  GStreamer | gst-plugins-base | 1.0.9

--- Comment #73 from Thomas DEBESSE <thomas.debesse at rcf.fr> 2013-08-28 09:02:11 UTC ---
Sebastian Dröge (slomo):
> Well, that you get these errors with sync=true already
> gives a good direction where to look.

Yes, perhaps it is a better idea to test with this option, because we have more
information in this case and failure is more reproductible. In any case,
resolve issues that arise with it can not hurt.

> There are clock problems between your source and
> sink hardware

In Comment #52 we saw that we also had a problem with "slave-method=2
provide-clock=true"

> e.g. the rates are not what they're supposed to be
> (e.g. claims 44100Hz but is 44105Hz) and source
> produces not in the rate the sink wants to consume,
> or the clock rates are not stable, or ...

Statistically we have more problem with alsasink than with alsasrc. We can
change the kind of source (jackaudiosrc, alsasrc) maintaining the bug without
changing the kind of sink (alsasink). It's more like "the sink is requesting
something that the source can not provide".

(NB: Due to a power failure throughout the city all my pipelines have been
discontinued.)

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