[Bug 722687] New: Weird behaviour when using webm file for input - videorate issue?

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=722687
  GStreamer | gst-plugins-base | git

           Summary: Weird behaviour when using webm file for input -
                    videorate issue?
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: Uraeus at linuxrising.org
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Trying to transcode (in transmageddon) this file:
http://downloads.xiph.org/video/A_Digital_Media_Primer_For_Geeks-360p.webm

Re-encoding both audio and video. It 'works', although the resulting file is
gigantic and it plays back in extreme slow motion. 

Trying other webm file works well, but this one is giving me issues. The file
plays back fine in Totem.

Trying to recreate the Transmageddon pipeline on the commandline gives me:
gst-launch-1.0 filesrc
location="/home/cschalle/Videos/A_Digital_Media_Primer_For_Geeks-360p.webm" !
decodebin name=decode ! videoconvert ! videoscale ! videoconvert ! videorate !
theoraenc ! oggmux name=mux ! filesink location=/tmp/test.ogg


This pipeline hangs, which is not the same behaviour as with Transmageddon, but
also not right. The pipeline works if you remove the videorate element.

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