[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 #97 from Thomas DEBESSE <thomas.debesse at rcf.fr> 2013-09-03 09:48:19 UTC ---
> There are no xruns, no WARNINGS?

No warnings at all. The pipeline said nothing (with GST_DEBUG=3).

> http://gstreamer-devel.966125.n4.nabble.com/Sound-stopping-pipeline-sync-issue-td3568168.html

I do not know how you find all these things but this one is very interesting!
:)

> I wonder what the results of these tests would be
> using pulsesrc and pulsesink instead of alsasrc and
> alsasink.

It will be complicated because pulseseaudio is not installed on any machine
that I use for testing.

> How about running the tests with jackaudiosrc and
> jackaudiosink instead of alsasrc and alsasink?

It is easier to test because it is an IRL use case. :)

This pipeline fails (IRL use case, used every day) :

* jackaudiosrc ! something ! alsasink sync=false

I don't known if this pipeline fails (I was not patient enough, but latest
information makes me think not):

* alsasrc ! something ! jackaudiosink sync=false

I know these pipelines don't fail (IRL use case, used every day):

* jackaudiosrc ! something ! udpsink
* udpsrc ! something ! jackaudiosink

Do you want me to try:

* jackaudiosrc ! jackaudiosink
* jackaudiosrc ! something ! alsasink drift-tolerance=25000000 sync=true

or above information is sufficient?

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