[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 #115 from Robert Krakora <rob.krakora at messagenetsystems.com> 2013-09-09 11:04:34 UTC ---
Interesting...but the problem with this pipeline seems different from the
problem(s) with the other pipelines.  Also, when I went to the Texas
Instruments GStreamer Wiki, they suggested using alsasink with the sync
property set to 'false' for audio only pipelines and this does not seem right
as Sebastian indicated.  Makes me think that this alsasink problem has been
around for a while in some for or another.  Anyway, the problem with the
pipeline below looks definitely like a time stamp problem.  I am thinking that
the sync property should be set to 'true' and not 'false'.  Would you be able
to change it to 'true' and rerun the pipeline?  :-)

In five days, this pipeline has failed:

gst-launch-1.0 -v jackaudiosrc client-name=queue0 name=in connect=none !
capsfilter caps="audio/x-raw, format=F32LE, rate=48000, channels=1" !
jackaudiosink client-name=queue0 name=out connect=none sync=false

with logs like that (extract):
101:46:20.206389522  5758  0x9031e30 WARN            audiobasesrc
gstaudiobasesrc.c:843:gst_audio_base_src_create:<in> create DISCONT of 162816
samples at sample 17586240512
101:46:20.206444705  5758  0x9031e30 WARN            audiobasesrc
gstaudiobasesrc.c:848:gst_audio_base_src_create:<in> warning: Can't record
audio fast enough
101:46:20.206468491  5758  0x9031e30 WARN            audiobasesrc
gstaudiobasesrc.c:848:gst_audio_base_src_create:<in> warning: Dropped 162816
samples. This is most likely because downstream can't keep up and is consuming
samples too slowly.

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