[Bug 730989] New: Get stuck while doing ctrl+c during preroll

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=730989
  GStreamer | gst-omx | 1.3.1

           Summary: Get stuck while doing ctrl+c during preroll
    Classification: Platform
           Product: GStreamer
           Version: 1.3.1
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-omx
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: aurelien.zanelli at parrot.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=277529)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=277529)
Trace omx*:6 getting stuck in preroll

I can get the omxdecoder stuck in acquire_buffer() by doing ctrl+c during the
preroll state with the following pipeline:

$ gst-launch-1.0 filesrc location=Sintel.2010.720p.mkv ! matroskademux !
h264parse ! omxh264dec ! fakesink
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
handling interrupt.
Interrupt: Stopping pipeline ...
Setting pipeline to NULL ...
Caught SIGQUIT


I can reproduce it on my OMX platform and on RPi. Howver the issue does not
always happened.
I attached a log of the above pipeline on RPi with --gst-debug=*:3,omx*:6

I think it's a race condition between port flushing, pipeline stop and
component reconfiguration.

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