[Bug 725107] New: Reverse playback and video stream switching failure in libgstmatroska

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=725107
  GStreamer | gst-plugins-good | 1.2.3

           Summary: Reverse playback and video stream switching failure in
                    libgstmatroska
    Classification: Platform
           Product: GStreamer
           Version: 1.2.3
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: dave at digits.tv
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


When attempting to play in reverse or switch video streams within a mkv file
the playback will switch state to READY.  The pipeline can then be returned to
the playing state but then if a seek is performed the pipeline will not resume
playing.  

Switching video streams works the first time (although the pipeline freezes)
but a subsequent switch plays then freezes after a couple of seconds. After
this, the pipeline becomes unstable, sometimes seeks work, mostly stream
switching works but the pipeline will often freeze after a second or so.

Sample video at https://dl.dropboxusercontent.com/u/2546412/13553200.mkv

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