[Bug 671971] New: No segment gets to the sink after a seek in a Matroska file

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=671971
  GStreamer | gst-plugins-base | git

           Summary: No segment gets to the sink after a seek in a Matroska
                    file
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: vincent.penquerch at collabora.co.uk
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Program (1) issues seeks on file (2) using playbin2 plugged to fakesinks, and
inspects segment events and buffers at those fakesinks.
For some files (eg, 2), no segment is seen after a seek.

(1)
http://cgit.collabora.com/git/user/vincent/insanity-gst/tree/tests/insanity-test-gst-seek.c
(2) http://streams.videolan.org/streams-videolan/matroska/mewmew-vorbis-ssa.mkv

The hang is also reported on another (subtitle-less) Matroska file, as well as
on two Ogg files (with and without subtitles).

Note: building (1) is a bit of a bother as it depends on another insanity lib,
and Python, but I could extract it to be standalone if someone wants to look at
the bug using that seeking code :)

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