[gstreamer-bugs] [Bug 609409] New: jackaudio sink cannot create ports

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=609409
  GStreamer | gst-plugins-bad | git

           Summary: jackaudio sink cannot create ports
    Classification: Desktop
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: prince.buster at gmail.com
         QAContact: gstreamer-bugs at lists.sourceforge.net
      GNOME target: ---
     GNOME version: ---


This works:

jez at X31:~$ gst-launch audiotestsrc ! jackaudiosink
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
Pipeline is PREROLLED ...
Setting pipeline to PLAYING ...
New clock: GstAudioSinkClock
^CCaught interrupt -- handling interrupt.
Interrupt: Stopping pipeline ...
Execution ended after 1470244240 ns.
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
Freeing pipeline ...
jez at X31:~$ 


But this does not:

jez at X31:~$ gst-launch audiotestsrc ! jackaudiosink audiotestsrc ! jackaudiosink
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
ERROR: from element /GstPipeline:pipeline0/GstJackAudioSink:jackaudiosink0:
Could not get/set settings from/on resource.
Additional debug info:
gstjackaudiosink.c(524): gst_jack_ring_buffer_acquire ():
/GstPipeline:pipeline0/GstJackAudioSink:jackaudiosink0:
Cannot allocate more Jack ports
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
Freeing pipeline ...
jez at X31:~/code/birdsong$

I'm using the latest git version of jackaudiosink. The problem occurs with
older versions, too.
I'm not sure what other information to post, but please ask and I'll endeavour
to provide what I can ...

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