[Bug 688153] New: matroskademux: audio gap after seeking on webm with lacing

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=688153
  GStreamer | gst-plugins-good | git

           Summary: matroskademux: audio gap after seeking on webm with
                    lacing
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: bug-track at fisher-privat.net
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


If webm or mkv files was created with lacing, then there is some sound gap
after seeking. Since mplayer and vlc can handle this, i assume gstreamer
probably can do it too :)

To reproduce:
- create some short webm file
gst-launch-1.0 -e videotestsrc ! queue ! vp8enc deadline=1000 ! webmmux name=m
! filesink location=test1.webm audiotestsrc ! queue ! vorbisenc ! m.

- remux it to enable lacing:
mkvmerge -o test2.webm test1.webm

- open it with totem
- seek to some place

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