[Bug 792329] New: Cannot play VP9 files on Windows

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=792329

            Bug ID: 792329
           Summary: Cannot play VP9 files on Windows
    Classification: Platform
           Product: GStreamer
           Version: 1.12.4
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: dymara at zoho.eu
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

Created attachment 366494
  --> https://bugzilla.gnome.org/attachment.cgi?id=366494&action=edit
ZIP archive with sample VP9 videos breaking GStreamer

There is a problem with decoding .webm files with VP9 codec under Windows
platform. When I try to open such files, I receive segmentation fault message.
There is a similar bug already reported as fixed
(https://bugzilla.gnome.org/show_bug.cgi?id=761147) but it concerns vaapi,
which is not available on Windows platform and the issue still persists in
GStreamer 1.12.4.

The problem appears in:
- external Java application (using JNA bindings from
https://github.com/gstreamer-java/gst1-java-core) - JVM crashes completely with
no logs
- gst-play-1.0 (Segmentation fault message for both a.webm and flaque2.webm)
- gst-launch-1.0 (Segmentation fault message for both a.webm and flaque2.webm)
Used command: gst-launch-1.0 -v filesrc location=a.webm ! matroskademux !
vp9dec ! videoconvert ! videoscale ! autovideosink
- gst-discoverer-1.0 (works fine for a.webm, but Segmentation fault message
appears for flaque2.webm)

Sample files for testing are included in an attachment (flaque2.webm comes from
the linked 761147 bug, the other file is my own).

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