[Bug 698750] New: "playbin2" leaks threads playing gapless from network URIs

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=698750
  GStreamer | gst-plugins-base | 0.10.36

           Summary: "playbin2" leaks threads playing gapless from network
                    URIs
    Classification: Platform
           Product: GStreamer
           Version: 0.10.36
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: henner.zeller+gnomebugzilla at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=242332)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=242332)
Program to reproduce. Find version with Makefile and test-sound on
https://github.com/hzeller/gstreamer-gapless-test

Using the 'about-to-finish' callback to set the next URI to play to get gapless
playback (as documented) leaks threads on network URIs.

With each new URL that is chained, one thread is created and lingers around in
the process until it stops working after ~100 streams played.

To reproduce, see https://github.com/hzeller/gstreamer-gapless-test
(this code exposes different problems in 0.10 and 1.0, so the README.md
explains both).

Note, this works with file URIs, it only leaks threads with network URIs. This
might be due to different fetching/buffering techniques (and might help
narrowing down what the problem is).

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