[Bug 695655] New: audiovisualizer: crash while clearing video frame

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=695655
  GStreamer | gst-plugins-bad | 1.0.5

           Summary: audiovisualizer: crash while clearing video frame
    Classification: Platform
           Product: GStreamer
           Version: 1.0.5
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: greg at gsr-tek.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=238621)
 View: https://bugzilla.gnome.org/attachment.cgi?id=238621
 Review: https://bugzilla.gnome.org/review?bug=695655&attachment=238621

Makes Basic Tutorial 7 from the GStreamer SDK work with 1.0

In the process of clearing the video frame, the current chain function performs
an illegal memset.  I found this while trying to run through the GStreamer SDK
Basic Tutorials using gstreamer-1.0.

Steps to reproduce:

1) Start with the code from Basic Tutorial 7 and save it as bt7.c
(http://docs.gstreamer.com/display/GstSDK/Basic+tutorial+7%3A+Multithreading+and+Pad+Availability)
2) Apply the attached patch so that the code will compile/run against
gstreamer-1.0
3) Run to see the crash

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